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<a href="#949" id="949">949</a>
<a href="#950" id="950">950</a>
<a href="#951" id="951">951</a>
<a href="#952" id="952">952</a>
<a href="#953" id="953">953</a>
<a href="#954" id="954">954</a>
<a href="#955" id="955">955</a>
<a href="#956" id="956">956</a>
<a href="#957" id="957">957</a>
<a href="#958" id="958">958</a>
<a href="#959" id="959">959</a>
<a href="#960" id="960">960</a>
<a href="#961" id="961">961</a>
<a href="#962" id="962">962</a>
<a href="#963" id="963">963</a>
<a href="#964" id="964">964</a>
<a href="#965" id="965">965</a>
<a href="#966" id="966">966</a>
<a href="#967" id="967">967</a>
<a href="#968" id="968">968</a>
<a href="#969" id="969">969</a>
<a href="#970" id="970">970</a>
<a href="#971" id="971">971</a>
<a href="#972" id="972">972</a>
<a href="#973" id="973">973</a>
<a href="#974" id="974">974</a>
<a href="#975" id="975">975</a>
<a href="#976" id="976">976</a>
<a href="#977" id="977">977</a>
<a href="#978" id="978">978</a>
<a href="#979" id="979">979</a>
<a href="#980" id="980">980</a>
<a href="#981" id="981">981</a>
<a href="#982" id="982">982</a>
<a href="#983" id="983">983</a>
<a href="#984" id="984">984</a>
<a href="#985" id="985">985</a>
<a href="#986" id="986">986</a>
<a href="#987" id="987">987</a>
<a href="#988" id="988">988</a>
<a href="#989" id="989">989</a>
<a href="#990" id="990">990</a>
<a href="#991" id="991">991</a>
<a href="#992" id="992">992</a>
<a href="#993" id="993">993</a>
<a href="#994" id="994">994</a>
<a href="#995" id="995">995</a>
<a href="#996" id="996">996</a>
<a href="#997" id="997">997</a>
<a href="#998" id="998">998</a>
<a href="#999" id="999">999</a>
<a href="#1000" id="1000">1000</a>
<a href="#1001" id="1001">1001</a>
<a href="#1002" id="1002">1002</a>
<a href="#1003" id="1003">1003</a>
<a href="#1004" id="1004">1004</a>
<a href="#1005" id="1005">1005</a>
<a href="#1006" id="1006">1006</a>
<a href="#1007" id="1007">1007</a>
<a href="#1008" id="1008">1008</a>
<a href="#1009" id="1009">1009</a>
<a href="#1010" id="1010">1010</a>
<a href="#1011" id="1011">1011</a>
<a href="#1012" id="1012">1012</a>
<a href="#1013" id="1013">1013</a>
<a href="#1014" id="1014">1014</a>
<a href="#1015" id="1015">1015</a>
<a href="#1016" id="1016">1016</a>
<a href="#1017" id="1017">1017</a>
<a href="#1018" id="1018">1018</a>
<a href="#1019" id="1019">1019</a>
<a href="#1020" id="1020">1020</a>
<a href="#1021" id="1021">1021</a>
<a href="#1022" id="1022">1022</a>
<a href="#1023" id="1023">1023</a>
<a href="#1024" id="1024">1024</a>
<a href="#1025" id="1025">1025</a>
<a href="#1026" id="1026">1026</a>
<a href="#1027" id="1027">1027</a>
<a href="#1028" id="1028">1028</a>
<a href="#1029" id="1029">1029</a>
<a href="#1030" id="1030">1030</a>
<a href="#1031" id="1031">1031</a>
<a href="#1032" id="1032">1032</a>
<a href="#1033" id="1033">1033</a>
<a href="#1034" id="1034">1034</a>
<a href="#1035" id="1035">1035</a>
<a href="#1036" id="1036">1036</a>
<a href="#1037" id="1037">1037</a>
<a href="#1038" id="1038">1038</a>
<a href="#1039" id="1039">1039</a>
<a href="#1040" id="1040">1040</a>
<a href="#1041" id="1041">1041</a>
<a href="#1042" id="1042">1042</a>
<a href="#1043" id="1043">1043</a>
<a href="#1044" id="1044">1044</a>
<a href="#1045" id="1045">1045</a>
<a href="#1046" id="1046">1046</a>
<a href="#1047" id="1047">1047</a>
<a href="#1048" id="1048">1048</a>
<a href="#1049" id="1049">1049</a>
<a href="#1050" id="1050">1050</a>
<a href="#1051" id="1051">1051</a>
<a href="#1052" id="1052">1052</a>
<a href="#1053" id="1053">1053</a>
<a href="#1054" id="1054">1054</a>
<a href="#1055" id="1055">1055</a>
<a href="#1056" id="1056">1056</a>
<a href="#1057" id="1057">1057</a>
<a href="#1058" id="1058">1058</a>
<a href="#1059" id="1059">1059</a>
<a href="#1060" id="1060">1060</a>
<a href="#1061" id="1061">1061</a>
<a href="#1062" id="1062">1062</a>
<a href="#1063" id="1063">1063</a>
<a href="#1064" id="1064">1064</a>
<a href="#1065" id="1065">1065</a>
<a href="#1066" id="1066">1066</a>
<a href="#1067" id="1067">1067</a>
<a href="#1068" id="1068">1068</a>
<a href="#1069" id="1069">1069</a>
<a href="#1070" id="1070">1070</a>
<a href="#1071" id="1071">1071</a>
<a href="#1072" id="1072">1072</a>
<a href="#1073" id="1073">1073</a>
<a href="#1074" id="1074">1074</a>
<a href="#1075" id="1075">1075</a>
<a href="#1076" id="1076">1076</a>
<a href="#1077" id="1077">1077</a>
<a href="#1078" id="1078">1078</a>
<a href="#1079" id="1079">1079</a>
<a href="#1080" id="1080">1080</a>
<a href="#1081" id="1081">1081</a>
<a href="#1082" id="1082">1082</a>
<a href="#1083" id="1083">1083</a>
<a href="#1084" id="1084">1084</a>
<a href="#1085" id="1085">1085</a>
<a href="#1086" id="1086">1086</a>
<a href="#1087" id="1087">1087</a>
<a href="#1088" id="1088">1088</a>
<a href="#1089" id="1089">1089</a>
<a href="#1090" id="1090">1090</a>
<a href="#1091" id="1091">1091</a>
<a href="#1092" id="1092">1092</a>
<a href="#1093" id="1093">1093</a>
<a href="#1094" id="1094">1094</a>
<a href="#1095" id="1095">1095</a>
<a href="#1096" id="1096">1096</a>
<a href="#1097" id="1097">1097</a>
<a href="#1098" id="1098">1098</a>
<a href="#1099" id="1099">1099</a>
<a href="#1100" id="1100">1100</a>
<a href="#1101" id="1101">1101</a>
<a href="#1102" id="1102">1102</a>
<a href="#1103" id="1103">1103</a>
<a href="#1104" id="1104">1104</a>
<a href="#1105" id="1105">1105</a>
<a href="#1106" id="1106">1106</a>
<a href="#1107" id="1107">1107</a>
<a href="#1108" id="1108">1108</a>
<a href="#1109" id="1109">1109</a>
<a href="#1110" id="1110">1110</a>
<a href="#1111" id="1111">1111</a>
<a href="#1112" id="1112">1112</a>
<a href="#1113" id="1113">1113</a>
<a href="#1114" id="1114">1114</a>
<a href="#1115" id="1115">1115</a>
<a href="#1116" id="1116">1116</a>
<a href="#1117" id="1117">1117</a>
<a href="#1118" id="1118">1118</a>
<a href="#1119" id="1119">1119</a>
<a href="#1120" id="1120">1120</a>
<a href="#1121" id="1121">1121</a>
<a href="#1122" id="1122">1122</a>
<a href="#1123" id="1123">1123</a>
<a href="#1124" id="1124">1124</a>
<a href="#1125" id="1125">1125</a>
<a href="#1126" id="1126">1126</a>
<a href="#1127" id="1127">1127</a>
<a href="#1128" id="1128">1128</a>
<a href="#1129" id="1129">1129</a>
<a href="#1130" id="1130">1130</a>
<a href="#1131" id="1131">1131</a>
<a href="#1132" id="1132">1132</a>
<a href="#1133" id="1133">1133</a>
<a href="#1134" id="1134">1134</a>
<a href="#1135" id="1135">1135</a>
<a href="#1136" id="1136">1136</a>
<a href="#1137" id="1137">1137</a>
<a href="#1138" id="1138">1138</a>
<a href="#1139" id="1139">1139</a>
<a href="#1140" id="1140">1140</a>
<a href="#1141" id="1141">1141</a>
<a href="#1142" id="1142">1142</a>
<a href="#1143" id="1143">1143</a>
<a href="#1144" id="1144">1144</a>
<a href="#1145" id="1145">1145</a>
<a href="#1146" id="1146">1146</a>
<a href="#1147" id="1147">1147</a>
<a href="#1148" id="1148">1148</a>
<a href="#1149" id="1149">1149</a>
<a href="#1150" id="1150">1150</a>
<a href="#1151" id="1151">1151</a>
<a href="#1152" id="1152">1152</a>
<a href="#1153" id="1153">1153</a>
<a href="#1154" id="1154">1154</a>
<a href="#1155" id="1155">1155</a>
<a href="#1156" id="1156">1156</a>
<a href="#1157" id="1157">1157</a>
<a href="#1158" id="1158">1158</a>
<a href="#1159" id="1159">1159</a>
<a href="#1160" id="1160">1160</a>
<a href="#1161" id="1161">1161</a>
<a href="#1162" id="1162">1162</a>
<a href="#1163" id="1163">1163</a>
<a href="#1164" id="1164">1164</a>
<a href="#1165" id="1165">1165</a>
<a href="#1166" id="1166">1166</a>
<a href="#1167" id="1167">1167</a>
<a href="#1168" id="1168">1168</a>
<a href="#1169" id="1169">1169</a>
<a href="#1170" id="1170">1170</a>
<a href="#1171" id="1171">1171</a>
<a href="#1172" id="1172">1172</a>
<a href="#1173" id="1173">1173</a>
<a href="#1174" id="1174">1174</a>
<a href="#1175" id="1175">1175</a>
<a href="#1176" id="1176">1176</a>
<a href="#1177" id="1177">1177</a>
<a href="#1178" id="1178">1178</a>
<a href="#1179" id="1179">1179</a>
<a href="#1180" id="1180">1180</a>
<a href="#1181" id="1181">1181</a>
<a href="#1182" id="1182">1182</a>
<a href="#1183" id="1183">1183</a>
<a href="#1184" id="1184">1184</a>
<a href="#1185" id="1185">1185</a>
<a href="#1186" id="1186">1186</a>
<a href="#1187" id="1187">1187</a>
<a href="#1188" id="1188">1188</a>
<a href="#1189" id="1189">1189</a>
<a href="#1190" id="1190">1190</a>
<a href="#1191" id="1191">1191</a>
<a href="#1192" id="1192">1192</a>
<a href="#1193" id="1193">1193</a>
<a href="#1194" id="1194">1194</a>
<a href="#1195" id="1195">1195</a>
<a href="#1196" id="1196">1196</a>
<a href="#1197" id="1197">1197</a>
<a href="#1198" id="1198">1198</a>
<a href="#1199" id="1199">1199</a>
<a href="#1200" id="1200">1200</a>
<a href="#1201" id="1201">1201</a>
<a href="#1202" id="1202">1202</a>
<a href="#1203" id="1203">1203</a>
<a href="#1204" id="1204">1204</a>
<a href="#1205" id="1205">1205</a>
<a href="#1206" id="1206">1206</a>
<a href="#1207" id="1207">1207</a>
<a href="#1208" id="1208">1208</a>
<a href="#1209" id="1209">1209</a>
<a href="#1210" id="1210">1210</a>
<a href="#1211" id="1211">1211</a>
<a href="#1212" id="1212">1212</a>
<a href="#1213" id="1213">1213</a>
<a href="#1214" id="1214">1214</a>
<a href="#1215" id="1215">1215</a>
<a href="#1216" id="1216">1216</a>
<a href="#1217" id="1217">1217</a>
<a href="#1218" id="1218">1218</a>
<a href="#1219" id="1219">1219</a>
<a href="#1220" id="1220">1220</a>
<a href="#1221" id="1221">1221</a>
<a href="#1222" id="1222">1222</a>
<a href="#1223" id="1223">1223</a>
<a href="#1224" id="1224">1224</a>
<a href="#1225" id="1225">1225</a>
<a href="#1226" id="1226">1226</a>
<a href="#1227" id="1227">1227</a>
<a href="#1228" id="1228">1228</a>
<a href="#1229" id="1229">1229</a>
<a href="#1230" id="1230">1230</a>
<a href="#1231" id="1231">1231</a>
<a href="#1232" id="1232">1232</a>
<a href="#1233" id="1233">1233</a>
<a href="#1234" id="1234">1234</a>
<a href="#1235" id="1235">1235</a>
<a href="#1236" id="1236">1236</a>
<a href="#1237" id="1237">1237</a>
<a href="#1238" id="1238">1238</a>
<a href="#1239" id="1239">1239</a>
<a href="#1240" id="1240">1240</a>
<a href="#1241" id="1241">1241</a>
<a href="#1242" id="1242">1242</a>
<a href="#1243" id="1243">1243</a>
<a href="#1244" id="1244">1244</a>
<a href="#1245" id="1245">1245</a>
<a href="#1246" id="1246">1246</a>
<a href="#1247" id="1247">1247</a>
<a href="#1248" id="1248">1248</a>
<a href="#1249" id="1249">1249</a>
<a href="#1250" id="1250">1250</a>
<a href="#1251" id="1251">1251</a>
<a href="#1252" id="1252">1252</a>
<a href="#1253" id="1253">1253</a>
<a href="#1254" id="1254">1254</a>
<a href="#1255" id="1255">1255</a>
<a href="#1256" id="1256">1256</a>
<a href="#1257" id="1257">1257</a>
<a href="#1258" id="1258">1258</a>
<a href="#1259" id="1259">1259</a>
<a href="#1260" id="1260">1260</a>
<a href="#1261" id="1261">1261</a>
<a href="#1262" id="1262">1262</a>
<a href="#1263" id="1263">1263</a>
<a href="#1264" id="1264">1264</a>
<a href="#1265" id="1265">1265</a>
<a href="#1266" id="1266">1266</a>
<a href="#1267" id="1267">1267</a>
<a href="#1268" id="1268">1268</a>
<a href="#1269" id="1269">1269</a>
<a href="#1270" id="1270">1270</a>
<a href="#1271" id="1271">1271</a>
<a href="#1272" id="1272">1272</a>
<a href="#1273" id="1273">1273</a>
<a href="#1274" id="1274">1274</a>
<a href="#1275" id="1275">1275</a>
<a href="#1276" id="1276">1276</a>
<a href="#1277" id="1277">1277</a>
<a href="#1278" id="1278">1278</a>
<a href="#1279" id="1279">1279</a>
<a href="#1280" id="1280">1280</a>
<a href="#1281" id="1281">1281</a>
<a href="#1282" id="1282">1282</a>
<a href="#1283" id="1283">1283</a>
<a href="#1284" id="1284">1284</a>
<a href="#1285" id="1285">1285</a>
<a href="#1286" id="1286">1286</a>
<a href="#1287" id="1287">1287</a>
<a href="#1288" id="1288">1288</a>
<a href="#1289" id="1289">1289</a>
<a href="#1290" id="1290">1290</a>
<a href="#1291" id="1291">1291</a>
<a href="#1292" id="1292">1292</a>
<a href="#1293" id="1293">1293</a>
<a href="#1294" id="1294">1294</a>
<a href="#1295" id="1295">1295</a>
<a href="#1296" id="1296">1296</a>
<a href="#1297" id="1297">1297</a>
<a href="#1298" id="1298">1298</a>
<a href="#1299" id="1299">1299</a>
<a href="#1300" id="1300">1300</a>
<a href="#1301" id="1301">1301</a>
<a href="#1302" id="1302">1302</a>
<a href="#1303" id="1303">1303</a>
<a href="#1304" id="1304">1304</a>
<a href="#1305" id="1305">1305</a>
<a href="#1306" id="1306">1306</a>
<a href="#1307" id="1307">1307</a>
<a href="#1308" id="1308">1308</a>
<a href="#1309" id="1309">1309</a>
<a href="#1310" id="1310">1310</a>
<a href="#1311" id="1311">1311</a>
<a href="#1312" id="1312">1312</a>
<a href="#1313" id="1313">1313</a>
<a href="#1314" id="1314">1314</a>
<a href="#1315" id="1315">1315</a>
<a href="#1316" id="1316">1316</a>
<a href="#1317" id="1317">1317</a>
<a href="#1318" id="1318">1318</a>
<a href="#1319" id="1319">1319</a>
<a href="#1320" id="1320">1320</a>
<a href="#1321" id="1321">1321</a>
<a href="#1322" id="1322">1322</a>
<a href="#1323" id="1323">1323</a>
<a href="#1324" id="1324">1324</a>
<a href="#1325" id="1325">1325</a>
<a href="#1326" id="1326">1326</a>
<a href="#1327" id="1327">1327</a>
<a href="#1328" id="1328">1328</a>
<a href="#1329" id="1329">1329</a>
<a href="#1330" id="1330">1330</a>
<a href="#1331" id="1331">1331</a>
<a href="#1332" id="1332">1332</a>
<a href="#1333" id="1333">1333</a>
<a href="#1334" id="1334">1334</a>
<a href="#1335" id="1335">1335</a>
<a href="#1336" id="1336">1336</a>
<a href="#1337" id="1337">1337</a>
<a href="#1338" id="1338">1338</a>
<a href="#1339" id="1339">1339</a>
<a href="#1340" id="1340">1340</a>
<a href="#1341" id="1341">1341</a>
<a href="#1342" id="1342">1342</a>
<a href="#1343" id="1343">1343</a>
<a href="#1344" id="1344">1344</a>
<a href="#1345" id="1345">1345</a>
<a href="#1346" id="1346">1346</a>
<a href="#1347" id="1347">1347</a>
<a href="#1348" id="1348">1348</a>
<a href="#1349" id="1349">1349</a>
<a href="#1350" id="1350">1350</a>
<a href="#1351" id="1351">1351</a>
<a href="#1352" id="1352">1352</a>
<a href="#1353" id="1353">1353</a>
<a href="#1354" id="1354">1354</a>
<a href="#1355" id="1355">1355</a>
<a href="#1356" id="1356">1356</a>
<a href="#1357" id="1357">1357</a>
<a href="#1358" id="1358">1358</a>
<a href="#1359" id="1359">1359</a>
<a href="#1360" id="1360">1360</a>
<a href="#1361" id="1361">1361</a>
<a href="#1362" id="1362">1362</a>
<a href="#1363" id="1363">1363</a>
<a href="#1364" id="1364">1364</a>
<a href="#1365" id="1365">1365</a>
<a href="#1366" id="1366">1366</a>
<a href="#1367" id="1367">1367</a>
<a href="#1368" id="1368">1368</a>
<a href="#1369" id="1369">1369</a>
<a href="#1370" id="1370">1370</a>
<a href="#1371" id="1371">1371</a>
<a href="#1372" id="1372">1372</a>
<a href="#1373" id="1373">1373</a>
<a href="#1374" id="1374">1374</a>
<a href="#1375" id="1375">1375</a>
<a href="#1376" id="1376">1376</a>
<a href="#1377" id="1377">1377</a>
<a href="#1378" id="1378">1378</a>
<a href="#1379" id="1379">1379</a>
<a href="#1380" id="1380">1380</a>
<a href="#1381" id="1381">1381</a>
<a href="#1382" id="1382">1382</a>
<a href="#1383" id="1383">1383</a>
<a href="#1384" id="1384">1384</a>
<a href="#1385" id="1385">1385</a>
<a href="#1386" id="1386">1386</a>
<a href="#1387" id="1387">1387</a>
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<a href="#1431" id="1431">1431</a>
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<a href="#1439" id="1439">1439</a>
<a href="#1440" id="1440">1440</a>
<a href="#1441" id="1441">1441</a></pre></div><pre class="rust"><code><span class="comment">// Copyright (C) 2017-2018 Red Hat, Inc.
//
// Permission is hereby granted, free of charge, to any
// person obtaining a copy of this software and associated
// documentation files (the "Software"), to deal in the
// Software without restriction, including without
// limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice
// shall be included in all copies or substantial portions
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
// IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Author: Gris Ge <fge@redhat.com>
</span><span class="kw">use </span>serde_json;
<span class="kw">use </span>serde_json::{Map, Value};
<span class="kw">use </span>std::fs::read_dir;
<span class="kw">use </span>std::thread::sleep;
<span class="kw">use </span>std::time::Duration;
<span class="kw">use </span>url;
<span class="kw">use </span><span class="kw">super</span>::data::<span class="kw-2">*</span>;
<span class="kw">use </span><span class="kw">super</span>::error::<span class="kw-2">*</span>;
<span class="kw">use </span><span class="kw">super</span>::ipc::{uds_path, TransPort};
<span class="kw">use </span><span class="kw">super</span>::misc::verify_init_id_str;
<span class="kw">use </span>std::fs;
<span class="kw">use </span>std::os::linux::fs::MetadataExt;
<span class="kw">const </span>DEFAULT_TIMEOUT: u32 = <span class="number">30_000</span>;
<span class="kw">const </span>JOB_RETRY_INTERVAL: u64 = <span class="number">1</span>;
<span class="doccomment">/// Represent the connection to plugin.
</span><span class="kw">pub struct </span>Client {
tp: TransPort,
plugin_name: String,
}
<span class="attr">#[allow(dead_code)]
#[derive(Deserialize, Debug)]
</span><span class="kw">struct </span>Job {
status: u32,
percent: u8,
data: <span class="prelude-ty">Option</span><Value>,
}
<span class="kw">const </span>JOB_STATUS_INPROGRESS: u32 = <span class="number">1</span>;
<span class="kw">const </span>JOB_STATUS_COMPLETE: u32 = <span class="number">2</span>;
<span class="kw">const </span>JOB_STATUS_ERROR: u32 = <span class="number">3</span>;
<span class="kw">const </span>VOLUME_THINP_YES: u32 = <span class="number">1</span>;
<span class="kw">const </span>VOLUME_THINP_NO: u32 = <span class="number">2</span>;
<span class="kw">const </span>VOLUME_THINP_DEFAULT: u32 = <span class="number">3</span>;
<span class="kw">const </span>POOL_MEMBER_TYPE_DISK: u32 = <span class="number">2</span>;
<span class="kw">const </span>POOL_MEMBER_TYPE_POOL: u32 = <span class="number">3</span>;
<span class="kw">const </span>WRITE_CACHE_POLICY_WRITE_BACK: u8 = <span class="number">2</span>;
<span class="kw">const </span>WRITE_CACHE_POLICY_AUTO: u8 = <span class="number">3</span>;
<span class="kw">const </span>WRITE_CACHE_POLICY_WRITE_THROUGH: u8 = <span class="number">4</span>;
<span class="kw">const </span>WRITE_CACHE_STATUS_WRITE_BACK: u8 = <span class="number">2</span>;
<span class="kw">const </span>WRITE_CACHE_STATUS_WRITE_THROUGH: u8 = <span class="number">3</span>;
<span class="kw">const </span>READ_CACHE_POLICY_ENABLED: u8 = <span class="number">2</span>;
<span class="kw">const </span>READ_CACHE_POLICY_DISABLED: u8 = <span class="number">3</span>;
<span class="kw">const </span>READ_CACHE_STATUS_ENABLED: u8 = <span class="number">2</span>;
<span class="kw">const </span>READ_CACHE_STATUS_DISABLED: u8 = <span class="number">3</span>;
<span class="kw">const </span>PHYSICAL_DISK_CACHE_ENABLED: u8 = <span class="number">2</span>;
<span class="kw">const </span>PHYSICAL_DISK_CACHE_DISABLED: u8 = <span class="number">3</span>;
<span class="kw">const </span>PHYSICAL_DISK_CACHE_USE_DISK_SETTING: u8 = <span class="number">4</span>;
<span class="kw">trait </span>OkOrPlugBug<T> {
<span class="kw">fn </span>ok_or_plugin_bug(<span class="self">self</span>, val: <span class="kw-2">&</span>Value) -> <span class="prelude-ty">Result</span><T>;
}
<span class="kw">impl</span><T> OkOrPlugBug<T> <span class="kw">for </span><span class="prelude-ty">Option</span><T> {
<span class="kw">fn </span>ok_or_plugin_bug(<span class="self">self</span>, val: <span class="kw-2">&</span>Value) -> <span class="prelude-ty">Result</span><T> {
<span class="kw">match </span><span class="self">self </span>{
<span class="prelude-val">Some</span>(i) => <span class="prelude-val">Ok</span>(i),
<span class="prelude-val">None </span>=> <span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"Plugin return unexpected data: {:?}"</span>,
val
))),
}
}
}
<span class="doccomment">/// Represent a plugin information
</span><span class="attr">#[derive(Debug)]
</span><span class="kw">pub struct </span>PluginInfo {
<span class="doccomment">/// Plugin version string.
</span><span class="kw">pub </span>version: String,
<span class="doccomment">/// Plugin description.
</span><span class="kw">pub </span>description: String,
<span class="doccomment">/// Plugin name.
</span><span class="kw">pub </span>name: String,
}
<span class="doccomment">/// Query all available plugins from libStorageMgmt daemon (lsmd).
///
/// # Errors
///
/// * [`LsmError::DaemonNotRunning`][1]
///
/// [1]: enum.LsmError.html#variant.DaemonNotRunning
</span><span class="kw">pub fn </span>available_plugins() -> <span class="prelude-ty">Result</span><Vec<PluginInfo>> {
<span class="kw">let </span><span class="kw-2">mut </span>ret = Vec::new();
<span class="kw">let </span>uds_path = uds_path();
<span class="kw">match </span>read_dir(<span class="kw-2">&</span>uds_path) {
<span class="prelude-val">Err</span>(<span class="kw">_</span>) => {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::DaemonNotRunning(<span class="macro">format!</span>(
<span class="string">"LibStorageMgmt daemon is not running for \
socket folder: '{}'"</span>,
uds_path
)))
}
<span class="prelude-val">Ok</span>(paths) => {
<span class="kw">for </span>path <span class="kw">in </span>paths {
<span class="kw">match </span>path {
<span class="comment">// Got error when iterate, it might happen when
// daemon is starting.
//
</span><span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">continue</span>,
<span class="prelude-val">Ok</span>(dir_entry) => {
<span class="kw">let </span>plugin_name = <span class="kw">match </span>dir_entry.file_name().into_string() {
<span class="prelude-val">Ok</span>(i) => i,
<span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">continue</span>,
};
<span class="kw">let </span>plugin_ipc_path = get_plugin_ipc_path(<span class="kw-2">&</span>plugin_name);
<span class="comment">// Make sure the file refers to a unix domain socket as the library
// added a lock file to prevent concurrent access to same unix domain
// socket directory for the lsm daemon.
</span><span class="kw">match </span>fs::metadata(<span class="kw-2">&</span>plugin_ipc_path) {
<span class="prelude-val">Ok</span>(meta) => {
<span class="kw">if </span>meta.st_mode() & <span class="number">0o140000 </span>!= <span class="number">0o140000 </span>{
<span class="kw">continue</span>;
}
}
<span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">continue</span>,
}
<span class="comment">// We cannot use self.plugin_info() here, as we need
// to bypass the plugin_register() and
// plugin_unregister()
//
</span><span class="kw">let </span><span class="kw-2">mut </span>tp = TransPort::new(<span class="kw-2">&</span>plugin_ipc_path)<span class="question-mark">?</span>;
<span class="kw">let </span>val = tp.invoke(<span class="string">"plugin_info"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>;
<span class="kw">let </span>data: Vec<String> = serde_json::from_value(val.clone())<span class="question-mark">?</span>;
<span class="kw">let </span>desc = data.first().ok_or_plugin_bug(<span class="kw-2">&</span>val)<span class="question-mark">?</span>;
<span class="kw">let </span>version = data.get(<span class="number">1</span>).ok_or_plugin_bug(<span class="kw-2">&</span>val)<span class="question-mark">?</span>;
ret.push(PluginInfo {
version: version.to_string(),
description: desc.to_string(),
name: plugin_name,
});
}
};
}
}
};
<span class="prelude-val">Ok</span>(ret)
}
<span class="kw">fn </span>get_plugin_ipc_path(plugin_name: <span class="kw-2">&</span>str) -> String {
<span class="macro">format!</span>(<span class="string">"{}/{}"</span>, uds_path(), plugin_name)
}
<span class="kw">impl </span>Client {
<span class="doccomment">/// Create a connection to plugin.
/// Please refer to [libstoragemgmt user guide][1] for how to choose the
/// URI and password.
///
/// The `timeout` argument is in milliseconds.
///
/// [1]: https://libstorage.github.io/libstoragemgmt-doc/doc/user_guide.html
</span><span class="kw">pub fn </span>new(uri: <span class="kw-2">&</span>str, password: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>, timeout: <span class="prelude-ty">Option</span><u32>) -> <span class="prelude-ty">Result</span><Client> {
<span class="kw">let </span>p = <span class="kw">match </span>url::Url::parse(uri) {
<span class="prelude-val">Ok</span>(p) => p,
<span class="prelude-val">Err</span>(e) => {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(<span class="macro">format!</span>(
<span class="string">"Failed to parse URI: {}"</span>,
e
)))
}
};
<span class="kw">let </span>plugin_name = p.scheme().to_string();
<span class="kw">let </span>plugin_ipc_path = get_plugin_ipc_path(<span class="kw-2">&</span>plugin_name);
<span class="kw">let </span><span class="kw-2">mut </span>tp = TransPort::new(<span class="kw-2">&</span>plugin_ipc_path)<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
<span class="kw">let </span>timeout = timeout.unwrap_or(DEFAULT_TIMEOUT);
args.insert(<span class="string">"password"</span>.to_string(), serde_json::to_value(password)<span class="question-mark">?</span>);
args.insert(<span class="string">"uri"</span>.to_string(), serde_json::to_value(uri)<span class="question-mark">?</span>);
args.insert(<span class="string">"timeout"</span>.to_string(), serde_json::to_value(timeout)<span class="question-mark">?</span>);
tp.invoke(<span class="string">"plugin_register"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(Client { tp, plugin_name })
}
<span class="doccomment">/// Gets a list of systems on this connection.
</span><span class="kw">pub fn </span>systems(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<System>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"systems"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Gets a list of volumes on this connection.
</span><span class="kw">pub fn </span>volumes(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<Volume>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"volumes"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Gets a list of pools on this connection.
</span><span class="kw">pub fn </span>pools(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<Pool>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"pools"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Gets a list of disks on this connection.
</span><span class="kw">pub fn </span>disks(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<Disk>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"disks"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Gets a list of file systems on this connection.
</span><span class="kw">pub fn </span>fs(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<FileSystem>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"fs"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Gets a list of NFS exports on this connection.
</span><span class="kw">pub fn </span>nfs_exports(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<NfsExport>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"exports"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Gets a list of access group on this connection.
</span><span class="kw">pub fn </span>access_groups(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<AccessGroup>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"access_groups"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Gets a list of target ports on this connection.
</span><span class="kw">pub fn </span>target_ports(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<TargetPort>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"target_ports"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Gets a list of batteries on this connection.
</span><span class="kw">pub fn </span>batteries(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<Battery>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"batteries"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="kw">fn </span>_job_free(<span class="kw-2">&mut </span><span class="self">self</span>, job_id: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"job_id"</span>.to_string(), serde_json::to_value(job_id)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"job_free"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>_wait_job(<span class="kw-2">&mut </span><span class="self">self</span>, job_id: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Value> {
<span class="kw">loop </span>{
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"job_id"</span>.to_string(), serde_json::to_value(job_id)<span class="question-mark">?</span>);
<span class="kw">let </span>j: Job = serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"job_status"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="kw">match </span>j.status {
JOB_STATUS_INPROGRESS => {
sleep(Duration::new(JOB_RETRY_INTERVAL, <span class="number">0</span>));
<span class="kw">continue</span>;
}
JOB_STATUS_COMPLETE => <span class="kw">match </span>j.data {
<span class="prelude-val">Some</span>(v) => {
<span class="self">self</span>._job_free(job_id)<span class="question-mark">?</span>;
<span class="kw">return </span><span class="prelude-val">Ok</span>(v);
}
<span class="prelude-val">None </span>=> <span class="kw">break</span>,
},
JOB_STATUS_ERROR =>
<span class="comment">// The invoke command should already got error detail
// and returned. If not, got buggy plugin.
</span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(
<span class="string">"Got no error detail for failed job"</span>.to_string(),
))
}
<span class="kw">_ </span>=> {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"Got invalid job status {}"</span>,
j.status
)))
}
};
}
<span class="prelude-val">Ok</span>(Value::Null)
}
<span class="kw">fn </span>wait_job_none(<span class="kw-2">&mut </span><span class="self">self</span>, job_id: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><()> {
<span class="self">self</span>._wait_job(job_id)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>wait_job_volume(<span class="kw-2">&mut </span><span class="self">self</span>, job_id: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Volume> {
<span class="kw">match </span><span class="self">self</span>._wait_job(job_id) {
<span class="prelude-val">Ok</span>(j) => {
<span class="kw">if </span>j.is_null() {
<span class="prelude-val">Err</span>(LsmError::PluginBug(
<span class="string">"Expecting a volume, but got None"</span>.to_string(),
))
} <span class="kw">else </span>{
<span class="kw">let </span>v: Volume = serde_json::from_value(j)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(v)
}
}
<span class="prelude-val">Err</span>(e) => <span class="prelude-val">Err</span>(e),
}
}
<span class="kw">fn </span>wait_job_fs(<span class="kw-2">&mut </span><span class="self">self</span>, job_id: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><FileSystem> {
<span class="kw">match </span><span class="self">self</span>._wait_job(job_id) {
<span class="prelude-val">Ok</span>(j) => {
<span class="kw">if </span>j.is_null() {
<span class="prelude-val">Err</span>(LsmError::PluginBug(
<span class="string">"Expecting a file system, but got None"</span>.to_string(),
))
} <span class="kw">else </span>{
<span class="kw">let </span>f: FileSystem = serde_json::from_value(j)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(f)
}
}
<span class="prelude-val">Err</span>(e) => <span class="prelude-val">Err</span>(e),
}
}
<span class="kw">fn </span>wait_job_fs_snap(<span class="kw-2">&mut </span><span class="self">self</span>, job_id: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><FileSystemSnapShot> {
<span class="kw">match </span><span class="self">self</span>._wait_job(job_id) {
<span class="prelude-val">Ok</span>(j) => {
<span class="kw">if </span>j.is_null() {
<span class="prelude-val">Err</span>(LsmError::PluginBug(
<span class="string">"Expecting a file system snapshot, but got None"</span>.to_string(),
))
} <span class="kw">else </span>{
<span class="kw">let </span>f: FileSystemSnapShot = serde_json::from_value(j)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(f)
}
}
<span class="prelude-val">Err</span>(e) => <span class="prelude-val">Err</span>(e),
}
}
<span class="doccomment">/// Create new volume.
///
/// * `pool` -- The pool where new volume should allocated from.
/// * `name` -- The name of new volume. It might be altered or
/// ignored.
/// * `size_bytes` -- Size in bytes of new volume. You may use function
/// [`size_human_2_size_bytes()`][1] to convert string like '1.1 GiB'
/// to integer size bytes.
/// * `thinp` -- Whether to create thin provisioning volume.
/// Check [VolumeCreateArgThinP][2]
///
/// [1]: fn.size_human_2_size_bytes.html
/// [2]: enum.VolumeCreateArgThinP.html
</span><span class="kw">pub fn </span>volume_create(
<span class="kw-2">&mut </span><span class="self">self</span>,
pool: <span class="kw-2">&</span>Pool,
name: <span class="kw-2">&</span>str,
size_bytes: u64,
thinp: <span class="kw-2">&</span>VolumeCreateArgThinP,
) -> <span class="prelude-ty">Result</span><Volume> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
<span class="kw">let </span>thinp_val = <span class="kw">match </span><span class="kw-2">*</span>thinp {
VolumeCreateArgThinP::Full => serde_json::to_value(VOLUME_THINP_YES)<span class="question-mark">?</span>,
VolumeCreateArgThinP::Thin => serde_json::to_value(VOLUME_THINP_NO)<span class="question-mark">?</span>,
VolumeCreateArgThinP::Default => serde_json::to_value(VOLUME_THINP_DEFAULT)<span class="question-mark">?</span>,
};
args.insert(<span class="string">"provisioning"</span>.to_string(), thinp_val);
args.insert(<span class="string">"size_bytes"</span>.to_string(), serde_json::to_value(size_bytes)<span class="question-mark">?</span>);
args.insert(<span class="string">"volume_name"</span>.to_string(), serde_json::to_value(name)<span class="question-mark">?</span>);
args.insert(<span class="string">"pool"</span>.to_string(), serde_json::to_value(pool)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"volume_create"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.get_vol_from_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Delete a volume
///
///
/// # Errors
///
/// * [`LsmError::VolHasChildDep`][1] volume has child dependency. e.g.
/// specified volume is a replication source. Please use
/// [`Client::vol_child_dep_rm()`] to eliminate child dependency.
///
/// [1]: enum.LsmError.html#variant.VolHasChildDep
</span><span class="kw">pub fn </span>volume_delete(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"volume_delete"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.wait_if_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Set connection timeout value in milliseconds.
</span><span class="kw">pub fn </span>time_out_set(<span class="kw-2">&mut </span><span class="self">self</span>, ms: u32) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"ms"</span>.to_string(), serde_json::to_value(ms)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"time_out_set"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Get connection timeout value.
</span><span class="kw">pub fn </span>time_out_get(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><u32> {
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"time_out_get"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Get system's capabilities.
///
/// Capability is used to indicate whether certain functionality is
/// supported by specified storage system. Please check desired function
/// for required capability. To verify capability is supported, use
/// [`Capabilities::is_supported()`][1]. If the functionality is not
/// listed in the enumerated [`Capability`][2] type then that functionality
/// is mandatory and required to exist.
///
/// [1]: struct.Capabilities.html#method.is_supported
/// [2]: enum.capability.html
</span><span class="kw">pub fn </span>capabilities(<span class="kw-2">&mut </span><span class="self">self</span>, sys: <span class="kw-2">&</span>System) -> <span class="prelude-ty">Result</span><Capabilities> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"system"</span>.to_string(), serde_json::to_value(sys)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"capabilities"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Get plugin information.
</span><span class="kw">pub fn </span>plugin_info(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><PluginInfo> {
<span class="kw">let </span>val = <span class="self">self</span>.tp.invoke(<span class="string">"plugin_info"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>;
<span class="kw">let </span>data: Vec<String> = serde_json::from_value(val.clone())<span class="question-mark">?</span>;
<span class="kw">let </span>desc = data.first().ok_or_plugin_bug(<span class="kw-2">&</span>val)<span class="question-mark">?</span>;
<span class="kw">let </span>version = data.get(<span class="number">1</span>).ok_or_plugin_bug(<span class="kw-2">&</span>val)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(PluginInfo {
version: version.to_string(),
description: desc.to_string(),
name: <span class="self">self</span>.plugin_name.clone(),
})
}
<span class="doccomment">/// Changes the read cache percentage for the specified system.
///
/// # Errors
///
/// * [`LsmError::InvalidArgument`][1]: `read_pct` is larger than 100.
///
/// [1]: enum.LsmError.html#variant.InvalidArgument
</span><span class="kw">pub fn </span>sys_read_cache_pct_set(<span class="kw-2">&mut </span><span class="self">self</span>, sys: <span class="kw-2">&</span>System, read_pct: u32) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">if </span>read_pct > <span class="number">100 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"Invalid read_pct, should be in range 0 - 100"</span>.to_string(),
));
}
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"system"</span>.to_string(), serde_json::to_value(sys)<span class="question-mark">?</span>);
args.insert(<span class="string">"read_pct"</span>.to_string(), serde_json::to_value(read_pct)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"system_read_cache_pct_update"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Set(override) iSCSI CHAP authentication.
///
/// * `init_id` -- Initiator ID.
/// * `in_user` -- The inbound authentication username. The inbound
/// authentication means the iSCSI initiator authenticates the iSCSI
/// target using CHAP.
/// * `in_pass` -- The inbound authentication password.
/// * `out_user` -- The outbound authentication username. The outbound
/// authentication means the iSCSI target authenticates the iSCSI
/// initiator using CHAP.
/// * `out_pass` -- The outbound authentication password.
</span><span class="kw">pub fn </span>iscsi_chap_auth_set(
<span class="kw-2">&mut </span><span class="self">self</span>,
init_id: <span class="kw-2">&</span>str,
in_user: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>,
in_pass: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>,
out_user: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>,
out_pass: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>,
) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"init_id"</span>.to_string(), serde_json::to_value(init_id)<span class="question-mark">?</span>);
args.insert(
<span class="string">"in_user"</span>.to_string(),
serde_json::to_value(in_user.unwrap_or(<span class="string">""</span>))<span class="question-mark">?</span>,
);
args.insert(
<span class="string">"in_password"</span>.to_string(),
serde_json::to_value(in_pass.unwrap_or(<span class="string">""</span>))<span class="question-mark">?</span>,
);
args.insert(
<span class="string">"out_user"</span>.to_string(),
serde_json::to_value(out_user.unwrap_or(<span class="string">""</span>))<span class="question-mark">?</span>,
);
args.insert(
<span class="string">"out_password"</span>.to_string(),
serde_json::to_value(out_pass.unwrap_or(<span class="string">""</span>))<span class="question-mark">?</span>,
);
<span class="self">self</span>.tp.invoke(<span class="string">"iscsi_chap_auth"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Resize a volume.
///
/// Please check whether pool allows volume resize via
/// [`Pool.unsupported_actions`][1].
///
/// [1]: struct.Pool.html#structfield.unsupported_actions
</span><span class="kw">pub fn </span>volume_resize(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume, new_size_bytes: u64) -> <span class="prelude-ty">Result</span><Volume> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
args.insert(
<span class="string">"new_size_bytes"</span>.to_string(),
serde_json::to_value(new_size_bytes)<span class="question-mark">?</span>,
);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"volume_resize"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.get_vol_from_async(<span class="kw-2">&</span>ret)
}
<span class="kw">fn </span>wait_if_async(<span class="kw-2">&mut </span><span class="self">self</span>, ret: <span class="kw-2">&</span>Value) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">if </span>ret.is_null() {
<span class="kw">return </span><span class="prelude-val">Ok</span>(());
}
<span class="self">self</span>.wait_job_none(ret.as_str().ok_or_plugin_bug(ret)<span class="question-mark">?</span>)
}
<span class="comment">//TODO(Gris Ge): Merge get_fs_from_async() and get_vol_from_asyn().
</span><span class="kw">fn </span>get_fs_from_async(<span class="kw-2">&mut </span><span class="self">self</span>, ret: <span class="kw-2">&</span>Value) -> <span class="prelude-ty">Result</span><FileSystem> {
<span class="kw">let </span>ret_array = ret.as_array().ok_or_plugin_bug(ret)<span class="question-mark">?</span>;
<span class="kw">if </span>ret_array.len() != <span class="number">2 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"Plugin return unexpected data: {:?}"</span>,
ret
)));
}
<span class="kw">let </span>job_id = ret_array.first().ok_or_plugin_bug(ret)<span class="question-mark">?</span>;
<span class="kw">if </span>job_id.is_null() {
<span class="prelude-val">Ok</span>(serde_json::from_value(
ret_array.get(<span class="number">1</span>).ok_or_plugin_bug(ret)<span class="question-mark">?</span>.clone(),
)<span class="question-mark">?</span>)
} <span class="kw">else </span>{
<span class="self">self</span>.wait_job_fs(job_id.as_str().ok_or_plugin_bug(ret)<span class="question-mark">?</span>)
}
}
<span class="kw">fn </span>get_vol_from_async(<span class="kw-2">&mut </span><span class="self">self</span>, ret: <span class="kw-2">&</span>Value) -> <span class="prelude-ty">Result</span><Volume> {
<span class="kw">let </span>ret_array = ret.as_array().ok_or_plugin_bug(ret)<span class="question-mark">?</span>;
<span class="kw">if </span>ret_array.len() != <span class="number">2 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"Plugin return unexpected data: {:?}"</span>,
ret
)));
}
<span class="kw">let </span>job_id = ret_array.first().ok_or_plugin_bug(ret)<span class="question-mark">?</span>;
<span class="kw">if </span>job_id.is_null() {
<span class="prelude-val">Ok</span>(serde_json::from_value(
ret_array.get(<span class="number">1</span>).ok_or_plugin_bug(ret)<span class="question-mark">?</span>.clone(),
)<span class="question-mark">?</span>)
} <span class="kw">else </span>{
<span class="self">self</span>.wait_job_volume(job_id.as_str().ok_or_plugin_bug(ret)<span class="question-mark">?</span>)
}
}
<span class="kw">fn </span>get_fs_snap_from_asyn(<span class="kw-2">&mut </span><span class="self">self</span>, ret: <span class="kw-2">&</span>Value) -> <span class="prelude-ty">Result</span><FileSystemSnapShot> {
<span class="kw">let </span>ret_array = ret.as_array().ok_or_plugin_bug(ret)<span class="question-mark">?</span>;
<span class="kw">if </span>ret_array.len() != <span class="number">2 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"Plugin return unexpected data: {:?}"</span>,
ret
)));
}
<span class="kw">let </span>job_id = ret_array.first().ok_or_plugin_bug(ret)<span class="question-mark">?</span>;
<span class="kw">if </span>job_id.is_null() {
<span class="prelude-val">Ok</span>(serde_json::from_value(
ret_array.first().ok_or_plugin_bug(ret)<span class="question-mark">?</span>.clone(),
)<span class="question-mark">?</span>)
} <span class="kw">else </span>{
<span class="self">self</span>.wait_job_fs_snap(job_id.as_str().ok_or_plugin_bug(ret)<span class="question-mark">?</span>)
}
}
<span class="doccomment">/// Replicate a volume.
///
/// * `pool` -- The pool where new replication target volume should be
/// allocated from. For `None`, will use the same pool of source volume.
/// * `rep_type` -- Replication type.
/// * `src_vol` -- Replication source volume.
/// * `name` -- Name for replication target volume. Might be altered or
/// ignored.
</span><span class="kw">pub fn </span>volume_replicate(
<span class="kw-2">&mut </span><span class="self">self</span>,
pool: <span class="prelude-ty">Option</span><Pool>,
rep_type: VolumeReplicateType,
src_vol: <span class="kw-2">&</span>Volume,
name: <span class="kw-2">&</span>str,
) -> <span class="prelude-ty">Result</span><Volume> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"pool"</span>.to_string(), serde_json::to_value(pool)<span class="question-mark">?</span>);
args.insert(<span class="string">"volume_src"</span>.to_string(), serde_json::to_value(src_vol)<span class="question-mark">?</span>);
args.insert(
<span class="string">"rep_type"</span>.to_string(),
serde_json::to_value(rep_type <span class="kw">as </span>i32)<span class="question-mark">?</span>,
);
args.insert(<span class="string">"name"</span>.to_string(), serde_json::to_value(name)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"volume_replicate"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.get_vol_from_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Block size for the [`Client::volume_replicate_range()`][1].
///
/// [1]: #method.volume_replicate_range
</span><span class="kw">pub fn </span>volume_rep_range_blk_size(<span class="kw-2">&mut </span><span class="self">self</span>, sys: <span class="kw-2">&</span>System) -> <span class="prelude-ty">Result</span><u32> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"system"</span>.to_string(), serde_json::to_value(sys)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(
<span class="string">"volume_replicate_range_block_size"</span>,
<span class="prelude-val">Some</span>(args),
)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Replicates a portion of a volume to a volume.
///
/// * `rep_type` -- Replication type.
/// * `src_vol` -- Replication source volume.
/// * `dst_vol` -- Replication target volume.
/// * `ranges` -- Replication block ranges.
</span><span class="kw">pub fn </span>volume_replicate_range(
<span class="kw-2">&mut </span><span class="self">self</span>,
rep_type: VolumeReplicateType,
src_vol: <span class="kw-2">&</span>Volume,
dst_vol: <span class="kw-2">&</span>Volume,
ranges: <span class="kw-2">&</span>[BlockRange],
) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(
<span class="string">"rep_type"</span>.to_string(),
serde_json::to_value(rep_type <span class="kw">as </span>i32)<span class="question-mark">?</span>,
);
args.insert(<span class="string">"ranges"</span>.to_string(), serde_json::to_value(ranges)<span class="question-mark">?</span>);
args.insert(<span class="string">"volume_src"</span>.to_string(), serde_json::to_value(src_vol)<span class="question-mark">?</span>);
args.insert(<span class="string">"volume_dest"</span>.to_string(), serde_json::to_value(dst_vol)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"volume_replicate_range"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.wait_if_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Set a Volume to online.
///
/// Enable the specified volume when that volume is disabled by
/// administrator or via [`Client::volume_disable()`][1]
///
/// [1]: #method.volume_disable
</span><span class="kw">pub fn </span>volume_enable(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"volume_enable"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Disable the read and write access to the specified volume.
</span><span class="kw">pub fn </span>volume_disable(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"volume_disable"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Grant access to a volume for the specified group, also known as LUN
/// masking or mapping.
///
/// # Errors
///
/// * [`LsmError::EmptyAccessGroup`][1]: Cannot mask volume to empty
/// access group.
///
/// [1]: enum.LsmError.html#variant.EmptyAccessGroup
</span><span class="kw">pub fn </span>volume_mask(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume, ag: <span class="kw-2">&</span>AccessGroup) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
args.insert(<span class="string">"access_group"</span>.to_string(), serde_json::to_value(ag)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"volume_mask"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Revokes access to a volume for the specified group
</span><span class="kw">pub fn </span>volume_unmask(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume, ag: <span class="kw-2">&</span>AccessGroup) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
args.insert(<span class="string">"access_group"</span>.to_string(), serde_json::to_value(ag)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"volume_unmask"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Create a access group.
///
/// Creates a new access group with one initiator in it. You may expand
/// the access group by adding more initiators via
/// [`Client::access_group_init_add()`][1]
///
/// # Errors
///
/// * [`LsmError::ExistsInitiator`][2]: Specified initiator is used by
/// other access group.
///
/// [1]: #method.access_group_init_add
/// [2]: enum.LsmError.html#variant.ExistsInitiator
</span><span class="kw">pub fn </span>access_group_create(
<span class="kw-2">&mut </span><span class="self">self</span>,
name: <span class="kw-2">&</span>str,
init_id: <span class="kw-2">&</span>str,
init_type: InitiatorType,
sys: <span class="kw-2">&</span>System,
) -> <span class="prelude-ty">Result</span><AccessGroup> {
verify_init_id_str(init_id, init_type)<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"name"</span>.to_string(), serde_json::to_value(name)<span class="question-mark">?</span>);
args.insert(<span class="string">"init_id"</span>.to_string(), serde_json::to_value(init_id)<span class="question-mark">?</span>);
args.insert(
<span class="string">"init_type"</span>.to_string(),
serde_json::to_value(init_type <span class="kw">as </span>i32)<span class="question-mark">?</span>,
);
args.insert(<span class="string">"system"</span>.to_string(), serde_json::to_value(sys)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"access_group_create"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Delete an access group. Only access group with no volume masked can
/// be deleted.
///
/// # Errors
///
/// * [`LsmError::IsMasked`][1]: Access group has volume masked to.
///
/// [1]: enum.LsmError.html#variant.IsMasked
</span><span class="kw">pub fn </span>access_group_delete(<span class="kw-2">&mut </span><span class="self">self</span>, ag: <span class="kw-2">&</span>AccessGroup) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"access_group"</span>.to_string(), serde_json::to_value(ag)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"access_group_delete"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Add an initiator to the access group.
///
/// # Errors
///
/// * [`LsmError::ExistsInitiator`][1]: Specified initiator is used by
/// other access group.
///
/// [1]: enum.LsmError.html#variant.ExistsInitiator
</span><span class="kw">pub fn </span>access_group_init_add(
<span class="kw-2">&mut </span><span class="self">self</span>,
ag: <span class="kw-2">&</span>AccessGroup,
init_id: <span class="kw-2">&</span>str,
init_type: InitiatorType,
) -> <span class="prelude-ty">Result</span><AccessGroup> {
verify_init_id_str(init_id, init_type)<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"access_group"</span>.to_string(), serde_json::to_value(ag)<span class="question-mark">?</span>);
args.insert(<span class="string">"init_id"</span>.to_string(), serde_json::to_value(init_id)<span class="question-mark">?</span>);
args.insert(
<span class="string">"init_type"</span>.to_string(),
serde_json::to_value(init_type <span class="kw">as </span>i32)<span class="question-mark">?</span>,
);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"access_group_initiator_add"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Delete an initiator from an access group.
///
/// # Errors
///
/// * [`LsmError::LastInitInAccessGroup`][1]: Specified initiator is the
/// last initiator of access group. Use [`Client::access_group_delete()`][2] instead.
///
/// [1]: enum.LsmError.html#variant.LastInitInAccessGroup
/// [2]: #method.access_group_delete
</span><span class="kw">pub fn </span>access_group_init_del(
<span class="kw-2">&mut </span><span class="self">self</span>,
ag: <span class="kw-2">&</span>AccessGroup,
init_id: <span class="kw-2">&</span>str,
init_type: InitiatorType,
) -> <span class="prelude-ty">Result</span><AccessGroup> {
verify_init_id_str(init_id, init_type)<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"access_group"</span>.to_string(), serde_json::to_value(ag)<span class="question-mark">?</span>);
args.insert(<span class="string">"init_id"</span>.to_string(), serde_json::to_value(init_id)<span class="question-mark">?</span>);
args.insert(
<span class="string">"init_type"</span>.to_string(),
serde_json::to_value(init_type <span class="kw">as </span>i32)<span class="question-mark">?</span>,
);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp
.invoke(<span class="string">"access_group_initiator_delete"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Query volumes that the specified access group has access to.
</span><span class="kw">pub fn </span>vols_masked_to_ag(<span class="kw-2">&mut </span><span class="self">self</span>, ag: <span class="kw-2">&</span>AccessGroup) -> <span class="prelude-ty">Result</span><Vec<Volume>> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"access_group"</span>.to_string(), serde_json::to_value(ag)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(<span class="self">self</span>.tp.invoke(
<span class="string">"volumes_accessible_by_access_group"</span>,
<span class="prelude-val">Some</span>(args),
)<span class="question-mark">?</span>)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Retrieves the access groups that have access to the specified volume.
</span><span class="kw">pub fn </span>ags_granted_to_vol(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><Vec<AccessGroup>> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp
.invoke(<span class="string">"access_groups_granted_to_volume"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Check whether volume has child dependencies.
</span><span class="kw">pub fn </span>vol_has_child_dep(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><bool> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"volume_child_dependency"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Delete all child dependencies of the specified volume.
///
/// Instruct storage system to remove all child dependencies of the
/// specified volume by duplicating the required storage before breaking
/// replication relationship. This function might take a long time(days or
/// even weeks), you might want to invoke it in a thread.
</span><span class="kw">pub fn </span>vol_child_dep_rm(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"volume_child_dependency_rm"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.wait_if_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Create a new file system.
///
/// * `pool` -- The pool where new file system should allocated from.
/// * `name` -- The name of new file system. It might be altered or
/// ignored.
/// * `size_bytes` -- Size in bytes of new file system. You may use
/// function [`size_human_2_size_bytes()`][1] to convert string like
/// '1.1 GiB' to integer size bytes.
///
/// [1]: fn.size_human_2_size_bytes.html
</span><span class="kw">pub fn </span>fs_create(<span class="kw-2">&mut </span><span class="self">self</span>, pool: <span class="kw-2">&</span>Pool, name: <span class="kw-2">&</span>str, size_bytes: u64) -> <span class="prelude-ty">Result</span><FileSystem> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"size_bytes"</span>.to_string(), serde_json::to_value(size_bytes)<span class="question-mark">?</span>);
args.insert(<span class="string">"name"</span>.to_string(), serde_json::to_value(name)<span class="question-mark">?</span>);
args.insert(<span class="string">"pool"</span>.to_string(), serde_json::to_value(pool)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_create"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.get_fs_from_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Resize of file system.
</span><span class="kw">pub fn </span>fs_resize(<span class="kw-2">&mut </span><span class="self">self</span>, fs: <span class="kw-2">&</span>FileSystem, new_size_bytes: u64) -> <span class="prelude-ty">Result</span><FileSystem> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
args.insert(
<span class="string">"new_size_bytes"</span>.to_string(),
serde_json::to_value(new_size_bytes)<span class="question-mark">?</span>,
);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_resize"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.get_fs_from_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Delete a file system.
///
/// When file system has snapshot attached, all its snapshot will be
/// deleted also. When file system is exported, all its exports will be
/// deleted also. If specified file system is has child dependency, it
/// cannot be deleted, please use [`Client::fs_has_child_dep()`][1] and
/// [`Client::fs_child_dep_rm()`][2].
///
/// [1]: #method.fs_has_child_dep()
/// [2]: #method.fs_child_dep_rm()
</span><span class="kw">pub fn </span>fs_delete(<span class="kw-2">&mut </span><span class="self">self</span>, fs: <span class="kw-2">&</span>FileSystem) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_delete"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.wait_if_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Clones an existing file system
///
/// Create a point in time read writeable space efficient copy of specified
/// file system, also know as read writeable snapshot. The new file system
/// will reside in the same pool of specified file system.
///
/// Optionally, new file system could be based on a snapshot specified by
/// `snapshot` argument.
</span><span class="kw">pub fn </span>fs_clone(
<span class="kw-2">&mut </span><span class="self">self</span>,
src_fs: <span class="kw-2">&</span>FileSystem,
dst_fs_name: <span class="kw-2">&</span>str,
snapshot: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>FileSystemSnapShot>,
) -> <span class="prelude-ty">Result</span><FileSystem> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"src_fs"</span>.to_string(), serde_json::to_value(src_fs)<span class="question-mark">?</span>);
args.insert(
<span class="string">"dest_fs_name"</span>.to_string(),
serde_json::to_value(dst_fs_name)<span class="question-mark">?</span>,
);
args.insert(<span class="string">"snapshot"</span>.to_string(), serde_json::to_value(snapshot)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_clone"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.get_fs_from_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Clones a file on a file system.
///
/// Optionally, file contents could be based on a snapshot specified by
/// `snapshot` argument.
</span><span class="kw">pub fn </span>fs_file_clone(
<span class="kw-2">&mut </span><span class="self">self</span>,
fs: <span class="kw-2">&</span>FileSystem,
src_file_name: <span class="kw-2">&</span>str,
dst_file_name: <span class="kw-2">&</span>str,
snapshot: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>FileSystemSnapShot>,
) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
args.insert(
<span class="string">"src_file_name"</span>.to_string(),
serde_json::to_value(src_file_name)<span class="question-mark">?</span>,
);
args.insert(
<span class="string">"dest_file_name"</span>.to_string(),
serde_json::to_value(dst_file_name)<span class="question-mark">?</span>,
);
args.insert(<span class="string">"snapshot"</span>.to_string(), serde_json::to_value(snapshot)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_file_clone"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.wait_if_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Get a list of snapshots of specified file system.
</span><span class="kw">pub fn </span>fs_snapshots(<span class="kw-2">&mut </span><span class="self">self</span>, fs: <span class="kw-2">&</span>FileSystem) -> <span class="prelude-ty">Result</span><Vec<FileSystemSnapShot>> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"fs_snapshots"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Create a file system snapshot.
</span><span class="kw">pub fn </span>fs_snapshot_create(
<span class="kw-2">&mut </span><span class="self">self</span>,
fs: <span class="kw-2">&</span>FileSystem,
name: <span class="kw-2">&</span>str,
) -> <span class="prelude-ty">Result</span><FileSystemSnapShot> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
args.insert(<span class="string">"snapshot_name"</span>.to_string(), serde_json::to_value(name)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_snapshot_create"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.get_fs_snap_from_asyn(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Delete a file system snapshot.
</span><span class="kw">pub fn </span>fs_snapshot_delete(
<span class="kw-2">&mut </span><span class="self">self</span>,
fs: <span class="kw-2">&</span>FileSystem,
snapshot: <span class="kw-2">&</span>FileSystemSnapShot,
) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
args.insert(<span class="string">"snapshot"</span>.to_string(), serde_json::to_value(snapshot)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_snapshot_delete"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.wait_if_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Restore a file system based on specified snapshot.
///
/// * `fs` -- File system to restore.
/// * `snapshot` -- Snapshot to use.
/// * `all_file` -- `true` for restore all files. `false` for restore
/// specified files only.
/// * `files` -- Only restored specified files. Ignored if `all_file` is
/// `true`.
/// * `restore_files` -- If not `None`, rename restored files to defined
/// file paths and names
</span><span class="kw">pub fn </span>fs_snapshot_restore(
<span class="kw-2">&mut </span><span class="self">self</span>,
fs: <span class="kw-2">&</span>FileSystem,
snapshot: <span class="kw-2">&</span>FileSystemSnapShot,
all_file: bool,
files: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>[<span class="kw-2">&</span>str]>,
restore_files: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>[<span class="kw-2">&</span>str]>,
) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
<span class="kw">if </span>all_file {
<span class="kw">let </span>files: [<span class="kw-2">&</span>str; <span class="number">0</span>] = [];
<span class="kw">let </span>restore_files: [<span class="kw-2">&</span>str; <span class="number">0</span>] = [];
args.insert(<span class="string">"files"</span>.to_string(), serde_json::to_value(files)<span class="question-mark">?</span>);
args.insert(
<span class="string">"restore_files"</span>.to_string(),
serde_json::to_value(restore_files)<span class="question-mark">?</span>,
);
} <span class="kw">else </span>{
<span class="kw">let </span>files = files.unwrap_or(<span class="kw-2">&</span>[]);
<span class="kw">if </span>files.is_empty() {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"Invalid argument: `all_file` is false while \
`files` is empty"
</span>.to_string(),
));
}
<span class="kw">let </span>restore_files = restore_files.unwrap_or(<span class="kw-2">&</span>[]);
<span class="kw">if </span>!restore_files.is_empty() && files.len() != restore_files.len() {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"Invalid argument: `files` and `restore_files` have \
different lengths"
</span>.to_string(),
));
}
args.insert(<span class="string">"files"</span>.to_string(), serde_json::to_value(files)<span class="question-mark">?</span>);
args.insert(
<span class="string">"restore_files"</span>.to_string(),
serde_json::to_value(restore_files)<span class="question-mark">?</span>,
);
}
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
args.insert(<span class="string">"snapshot"</span>.to_string(), serde_json::to_value(snapshot)<span class="question-mark">?</span>);
args.insert(<span class="string">"all_files"</span>.to_string(), serde_json::to_value(all_file)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_snapshot_restore"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.wait_if_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Checks whether file system has a child dependency.
</span><span class="kw">pub fn </span>fs_has_child_dep(<span class="kw-2">&mut </span><span class="self">self</span>, fs: <span class="kw-2">&</span>FileSystem, files: <span class="prelude-ty">Option</span><Vec<<span class="kw-2">&</span>str>>) -> <span class="prelude-ty">Result</span><bool> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
<span class="kw">let </span>files: Vec<<span class="kw-2">&</span>str> = files.unwrap_or_default();
args.insert(<span class="string">"files"</span>.to_string(), serde_json::to_value(files)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"fs_child_dependency"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Delete all child dependencies of the specified file system.
///
/// Instruct storage system to remove all child dependencies of the
/// specified file system by duplicating the required storage before
/// breaking replication relationship. This function might take a long
/// time(days or even weeks), you might want to invoke it in a thread.
</span><span class="kw">pub fn </span>fs_child_dep_rm(<span class="kw-2">&mut </span><span class="self">self</span>, fs: <span class="kw-2">&</span>FileSystem, files: <span class="prelude-ty">Option</span><Vec<<span class="kw-2">&</span>str>>) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs"</span>.to_string(), serde_json::to_value(fs)<span class="question-mark">?</span>);
<span class="kw">let </span>files: Vec<<span class="kw-2">&</span>str> = files.unwrap_or_default();
args.insert(<span class="string">"files"</span>.to_string(), serde_json::to_value(files)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"fs_child_dependency_rm"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="self">self</span>.wait_if_async(<span class="kw-2">&</span>ret)
}
<span class="doccomment">/// Get supported NFS client authentication types.
</span><span class="kw">pub fn </span>nfs_exp_auth_type_list(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><Vec<String>> {
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"export_auth"</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Create or modify an NFS export.
///
/// * `fs` -- File system to export.
/// * `export_path` -- Export path. If already exists, will modify exist NFS
/// export. If `None`, will let storage system to generate one.
/// * `access` -- NFS access details.
/// * `auth_type` -- NFS client authentication type. Get from
/// [`Client::nfs_exp_auth_type_list()`][1].
/// * `options` -- Extra NFS options.
///
/// [1]: #method.nfs_exp_auth_type_list
</span><span class="kw">pub fn </span>fs_export(
<span class="kw-2">&mut </span><span class="self">self</span>,
fs: <span class="kw-2">&</span>FileSystem,
export_path: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>,
access: <span class="kw-2">&</span>NfsAccess,
auth_type: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>,
options: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>,
) -> <span class="prelude-ty">Result</span><NfsExport> {
<span class="kw">let </span>root_list = access.root_list;
<span class="kw">let </span>rw_list = access.rw_list;
<span class="kw">let </span>ro_list = access.ro_list;
<span class="kw">if </span>rw_list.is_empty() && ro_list.is_empty() {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"At least one host should exists in `rw_list` or `ro_list`"</span>.to_string(),
));
}
<span class="kw">for </span>host <span class="kw">in </span>root_list {
<span class="kw">if </span>!rw_list.contains(host) && !ro_list.contains(host) {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(<span class="macro">format!</span>(
<span class="string">"Host defined in `root_list` should be also \
defined in `rw_list` or `ro_list`: '{}'"</span>,
host
)));
}
}
<span class="kw">for </span>host <span class="kw">in </span>rw_list {
<span class="kw">if </span>ro_list.contains(host) {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(<span class="macro">format!</span>(
<span class="string">"Host should not both in `rw_list` \
and `ro_list`: '{}'"</span>,
host
)));
}
}
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"fs_id"</span>.to_string(), serde_json::to_value(<span class="kw-2">&</span>fs.id)<span class="question-mark">?</span>);
args.insert(
<span class="string">"export_path"</span>.to_string(),
serde_json::to_value(export_path)<span class="question-mark">?</span>,
);
args.insert(<span class="string">"root_list"</span>.to_string(), serde_json::to_value(root_list)<span class="question-mark">?</span>);
args.insert(<span class="string">"rw_list"</span>.to_string(), serde_json::to_value(rw_list)<span class="question-mark">?</span>);
args.insert(<span class="string">"ro_list"</span>.to_string(), serde_json::to_value(ro_list)<span class="question-mark">?</span>);
<span class="kw">let </span>anon_uid = access.anon_uid.unwrap_or(NfsExport::ANON_UID_GID_NA);
<span class="kw">let </span>anon_gid = access.anon_gid.unwrap_or(NfsExport::ANON_UID_GID_NA);
args.insert(<span class="string">"anon_uid"</span>.to_string(), serde_json::to_value(anon_uid)<span class="question-mark">?</span>);
args.insert(<span class="string">"anon_gid"</span>.to_string(), serde_json::to_value(anon_gid)<span class="question-mark">?</span>);
args.insert(<span class="string">"auth_type"</span>.to_string(), serde_json::to_value(auth_type)<span class="question-mark">?</span>);
args.insert(<span class="string">"options"</span>.to_string(), serde_json::to_value(options)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"export_fs"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Unexport specified NFS exports.
</span><span class="kw">pub fn </span>fs_unexport(<span class="kw-2">&mut </span><span class="self">self</span>, exp: <span class="kw-2">&</span>NfsExport) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"export"</span>.to_string(), serde_json::to_value(exp)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"export_remove"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Get volume RAID information.
</span><span class="kw">pub fn </span>vol_raid_info(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><VolumeRaidInfo> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="kw">let </span>ret: Vec<i32> =
serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"volume_raid_info"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="kw">if </span>ret.len() != <span class="number">5 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"vol_raid_info() is expecting 5 integers from plugin, \
but got '{:?}'"</span>,
ret
)));
}
<span class="prelude-val">Ok</span>(VolumeRaidInfo {
raid_type: From::from(ret[<span class="number">0</span>]),
strip_size: ret[<span class="number">1</span>] <span class="kw">as </span>u32,
disk_count: ret[<span class="number">2</span>] <span class="kw">as </span>u32,
min_io_size: ret[<span class="number">3</span>] <span class="kw">as </span>u32,
opt_io_size: ret[<span class="number">4</span>] <span class="kw">as </span>u32,
})
}
<span class="doccomment">/// Get pool member information.
</span><span class="kw">pub fn </span>pool_member_info(<span class="kw-2">&mut </span><span class="self">self</span>, pool: <span class="kw-2">&</span>Pool) -> <span class="prelude-ty">Result</span><PoolMemberInfo> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"pool"</span>.to_string(), serde_json::to_value(pool)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"pool_member_info"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="kw">let </span>ret_array = ret.as_array().ok_or_plugin_bug(<span class="kw-2">&</span>ret)<span class="question-mark">?</span>;
<span class="kw">if </span>ret_array.len() != <span class="number">3 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"Plugin return unexpected data: {:?}"</span>,
ret
)));
}
<span class="kw">let </span>raid_type: i32 =
serde_json::from_value(ret_array.first().ok_or_plugin_bug(<span class="kw-2">&</span>ret)<span class="question-mark">?</span>.clone())<span class="question-mark">?</span>;
<span class="kw">let </span>raid_type: RaidType = From::from(raid_type);
<span class="kw">let </span>member_type: u32 =
serde_json::from_value(ret_array.get(<span class="number">1</span>).ok_or_plugin_bug(<span class="kw-2">&</span>ret)<span class="question-mark">?</span>.clone())<span class="question-mark">?</span>;
<span class="kw">let </span>member_ids: Vec<String> =
serde_json::from_value(ret_array.get(<span class="number">2</span>).ok_or_plugin_bug(<span class="kw-2">&</span>ret)<span class="question-mark">?</span>.clone())<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>members: Vec<PoolMember> = Vec::new();
<span class="kw">match </span>member_type {
POOL_MEMBER_TYPE_DISK => {
<span class="kw">for </span>disk <span class="kw">in </span><span class="self">self</span>.disks()<span class="question-mark">? </span>{
<span class="kw">if </span>member_ids.contains(<span class="kw-2">&</span>disk.id) {
members.push(PoolMember::Disk(disk));
}
}
}
POOL_MEMBER_TYPE_POOL => {
<span class="kw">for </span>pool <span class="kw">in </span><span class="self">self</span>.pools()<span class="question-mark">? </span>{
<span class="kw">if </span>member_ids.contains(<span class="kw-2">&</span>pool.id) {
members.push(PoolMember::Pool(pool));
}
}
}
<span class="kw">_ </span>=> (),
};
<span class="prelude-val">Ok</span>(PoolMemberInfo { raid_type, members })
}
<span class="doccomment">/// Get system capability on creating RAIDed volume. For hardware RAID
/// only.
///
/// Returns supported RAID types and strip sizes.
</span><span class="kw">pub fn </span>vol_raid_create_cap_get(<span class="kw-2">&mut </span><span class="self">self</span>, sys: <span class="kw-2">&</span>System) -> <span class="prelude-ty">Result</span><(Vec<RaidType>, Vec<u32>)> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"system"</span>.to_string(), serde_json::to_value(sys)<span class="question-mark">?</span>);
<span class="kw">let </span>ret = <span class="self">self</span>.tp.invoke(<span class="string">"volume_raid_create_cap_get"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="kw">let </span>ret_array = ret.as_array().ok_or_plugin_bug(<span class="kw-2">&</span>ret)<span class="question-mark">?</span>;
<span class="kw">if </span>ret_array.len() != <span class="number">2 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"vol_raid_create_cap_get() is expecting array with \
2 members from plugin, but got '{:?}'"</span>,
ret
)));
}
<span class="kw">let </span>raid_types: Vec<i32> =
serde_json::from_value(ret_array.first().ok_or_plugin_bug(<span class="kw-2">&</span>ret)<span class="question-mark">?</span>.clone())<span class="question-mark">?</span>;
<span class="kw">let </span>strip_sizes: Vec<u32> =
serde_json::from_value(ret_array.get(<span class="number">1</span>).ok_or_plugin_bug(<span class="kw-2">&</span>ret)<span class="question-mark">?</span>.clone())<span class="question-mark">?</span>;
<span class="kw">let </span><span class="kw-2">mut </span>new_raid_types: Vec<RaidType> = Vec::new();
<span class="kw">for </span>raid_type <span class="kw">in </span>raid_types {
new_raid_types.push(From::from(raid_type));
}
<span class="prelude-val">Ok</span>((new_raid_types, strip_sizes))
}
<span class="doccomment">/// Create RAIDed volume directly from disks. Only for hardware RAID.
</span><span class="kw">pub fn </span>vol_raid_create(
<span class="kw-2">&mut </span><span class="self">self</span>,
name: <span class="kw-2">&</span>str,
raid_type: RaidType,
disks: <span class="kw-2">&</span>[Disk],
strip_size: <span class="prelude-ty">Option</span><u32>,
) -> <span class="prelude-ty">Result</span><Volume> {
<span class="kw">if </span>disks.is_empty() {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(<span class="string">"no disk included"</span>.to_string()));
}
<span class="kw">if </span>raid_type == RaidType::Raid1 && disks.len() != <span class="number">2 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"RAID 1 only allow 2 disks"</span>.to_string(),
));
}
<span class="kw">if </span>raid_type == RaidType::Raid5 && disks.len() < <span class="number">3 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"RAID 5 require 3 or more disks"</span>.to_string(),
));
}
<span class="kw">if </span>raid_type == RaidType::Raid6 && disks.len() < <span class="number">4 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"RAID 6 require 4 or more disks"</span>.to_string(),
));
}
<span class="kw">if </span>raid_type == RaidType::Raid10 && (disks.len() % <span class="number">2 </span>!= <span class="number">0 </span>|| disks.len() < <span class="number">4</span>) {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"RAID 10 require even disks count and 4 or more disks"</span>.to_string(),
));
}
<span class="kw">if </span>raid_type == RaidType::Raid50 && (disks.len() % <span class="number">2 </span>!= <span class="number">0 </span>|| disks.len() < <span class="number">6</span>) {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"RAID 50 require even disks count and 6 or more disks"</span>.to_string(),
));
}
<span class="kw">if </span>raid_type == RaidType::Raid60 && (disks.len() % <span class="number">2 </span>!= <span class="number">0 </span>|| disks.len() < <span class="number">8</span>) {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(
<span class="string">"RAID 60 require even disks count and 8 or more disks"</span>.to_string(),
));
}
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"name"</span>.to_string(), serde_json::to_value(name)<span class="question-mark">?</span>);
args.insert(
<span class="string">"raid_type"</span>.to_string(),
serde_json::to_value(raid_type <span class="kw">as </span>i32)<span class="question-mark">?</span>,
);
args.insert(<span class="string">"disks"</span>.to_string(), serde_json::to_value(disks)<span class="question-mark">?</span>);
<span class="kw">let </span>strip_size = strip_size.unwrap_or(<span class="number">0u32</span>);
args.insert(<span class="string">"strip_size"</span>.to_string(), serde_json::to_value(strip_size)<span class="question-mark">?</span>);
<span class="prelude-val">Ok</span>(serde_json::from_value(
<span class="self">self</span>.tp.invoke(<span class="string">"volume_raid_create"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>,
)<span class="question-mark">?</span>)
}
<span class="doccomment">/// Turn on the identification LED for the specified volume.
///
/// All its member disks' identification LED will be turned on.
</span><span class="kw">pub fn </span>vol_ident_led_on(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"volume_ident_led_on"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Turn off the identification LED for the specified volume.
///
/// All its member disks' identification LED will be turned off.
</span><span class="kw">pub fn </span>vol_ident_led_off(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="self">self</span>.tp.invoke(<span class="string">"volume_ident_led_off"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Get cache information on specified volume.
</span><span class="kw">pub fn </span>vol_cache_info(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume) -> <span class="prelude-ty">Result</span><VolumeCacheInfo> {
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
<span class="kw">let </span>ret: Vec<u8> =
serde_json::from_value(<span class="self">self</span>.tp.invoke(<span class="string">"volume_cache_info"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>)<span class="question-mark">?</span>;
<span class="kw">if </span>ret.len() != <span class="number">5 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::PluginBug(<span class="macro">format!</span>(
<span class="string">"vol_cache_info() is expecting 5 u8 from plugin, \
but got '{:?}'"</span>,
ret
)));
}
<span class="prelude-val">Ok</span>(VolumeCacheInfo {
write_cache_setting: <span class="kw">match </span>ret[<span class="number">0</span>] {
WRITE_CACHE_POLICY_WRITE_BACK => CachePolicy::Enabled,
WRITE_CACHE_POLICY_WRITE_THROUGH => CachePolicy::Disabled,
WRITE_CACHE_POLICY_AUTO => CachePolicy::Auto,
<span class="kw">_ </span>=> CachePolicy::Unknown,
},
write_cache_status: <span class="kw">match </span>ret[<span class="number">1</span>] {
WRITE_CACHE_STATUS_WRITE_BACK => CachePolicy::Enabled,
WRITE_CACHE_STATUS_WRITE_THROUGH => CachePolicy::Disabled,
<span class="kw">_ </span>=> CachePolicy::Unknown,
},
read_cache_setting: <span class="kw">match </span>ret[<span class="number">2</span>] {
READ_CACHE_POLICY_ENABLED => CachePolicy::Enabled,
READ_CACHE_POLICY_DISABLED => CachePolicy::Disabled,
<span class="kw">_ </span>=> CachePolicy::Unknown,
},
read_cache_status: <span class="kw">match </span>ret[<span class="number">3</span>] {
READ_CACHE_STATUS_ENABLED => CachePolicy::Enabled,
READ_CACHE_STATUS_DISABLED => CachePolicy::Disabled,
<span class="kw">_ </span>=> CachePolicy::Unknown,
},
physical_disk_cache_status: <span class="kw">match </span>ret[<span class="number">4</span>] {
PHYSICAL_DISK_CACHE_ENABLED => CachePolicy::Enabled,
PHYSICAL_DISK_CACHE_DISABLED => CachePolicy::Disabled,
PHYSICAL_DISK_CACHE_USE_DISK_SETTING => CachePolicy::UseDiskSetting,
<span class="kw">_ </span>=> CachePolicy::Unknown,
},
})
}
<span class="doccomment">/// Set volume physical disk cache policy.
</span><span class="kw">pub fn </span>vol_phy_disk_cache_set(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume, pdc: CachePolicy) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span>pdc: u8 = <span class="kw">match </span>pdc {
CachePolicy::Enabled => PHYSICAL_DISK_CACHE_ENABLED,
CachePolicy::Disabled => PHYSICAL_DISK_CACHE_DISABLED,
CachePolicy::UseDiskSetting => PHYSICAL_DISK_CACHE_USE_DISK_SETTING,
<span class="kw">_ </span>=> {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(<span class="macro">format!</span>(
<span class="string">"Invalid pdc argument {:?}"</span>,
pdc
)))
}
};
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
args.insert(<span class="string">"pdc"</span>.to_string(), serde_json::to_value(pdc)<span class="question-mark">?</span>);
<span class="self">self</span>.tp
.invoke(<span class="string">"volume_physical_disk_cache_update"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Set volume write cache policy.
</span><span class="kw">pub fn </span>vol_write_cache_set(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume, wcp: CachePolicy) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span>wcp: u8 = <span class="kw">match </span>wcp {
CachePolicy::Enabled => WRITE_CACHE_POLICY_WRITE_BACK,
CachePolicy::Disabled => WRITE_CACHE_POLICY_WRITE_THROUGH,
CachePolicy::Auto => WRITE_CACHE_POLICY_AUTO,
<span class="kw">_ </span>=> {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(<span class="macro">format!</span>(
<span class="string">"Invalid wcp argument {:?}"</span>,
wcp
)))
}
};
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
args.insert(<span class="string">"wcp"</span>.to_string(), serde_json::to_value(wcp)<span class="question-mark">?</span>);
<span class="self">self</span>.tp
.invoke(<span class="string">"volume_write_cache_policy_update"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Set volume read cache policy.
</span><span class="kw">pub fn </span>vol_read_cache_set(<span class="kw-2">&mut </span><span class="self">self</span>, vol: <span class="kw-2">&</span>Volume, rcp: CachePolicy) -> <span class="prelude-ty">Result</span><()> {
<span class="kw">let </span>rcp: u8 = <span class="kw">match </span>rcp {
CachePolicy::Enabled => READ_CACHE_POLICY_ENABLED,
CachePolicy::Disabled => READ_CACHE_POLICY_DISABLED,
<span class="kw">_ </span>=> {
<span class="kw">return </span><span class="prelude-val">Err</span>(LsmError::InvalidArgument(<span class="macro">format!</span>(
<span class="string">"Invalid rcp argument {:?}"</span>,
rcp
)))
}
};
<span class="kw">let </span><span class="kw-2">mut </span>args = Map::new();
args.insert(<span class="string">"volume"</span>.to_string(), serde_json::to_value(vol)<span class="question-mark">?</span>);
args.insert(<span class="string">"rcp"</span>.to_string(), serde_json::to_value(rcp)<span class="question-mark">?</span>);
<span class="self">self</span>.tp
.invoke(<span class="string">"volume_read_cache_policy_update"</span>, <span class="prelude-val">Some</span>(args))<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
}
</code></pre></div></section></main></body></html>