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<a href="#330" id="330">330</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>std::fmt;
<span class="kw">use </span>std::result;
<span class="attr">#[derive(Debug)]
</span><span class="kw">pub enum </span>LsmError {
LibBug(String),
PluginBug(String),
TimeOut(String),
DaemonNotRunning(String),
PermissionDenied(String),
NameConflict(String),
ExistsInitiator(String),
InvalidArgument(String),
NoStateChange(String),
NetworkConRefused(String),
NetworkHostDown(String),
NetworkError(String),
NoMemory(String),
NoSupport(String),
IsMasked(String),
HasChildDependency(String),
NotFoundAccessGroup(String),
NotFoundFs(String),
NotFoundJob(String),
NotFoundPool(String),
NotFoundFsSnapshot(String),
NotFoundVolume(String),
NotFoundNfsExport(String),
NotFoundSystem(String),
NotFoundDisk(String),
NotLicensed(String),
NoSupportOnlineChange(String),
NoSupportOfflineChange(String),
PluginAuthFailed(String),
PluginIpcFail(String),
PluginSocketPermission(String),
PluginNotExist(String),
NoEnoughSpace(String),
TransportCommunication(String),
TransportSerialization(String),
TransportInvalidArg(String),
LastInitInAccessGroup(String),
UnSupportedSearchKey(String),
EmptyAccessGroup(String),
PoolNotReady(String),
DiskNotFree(String),
}
<span class="kw">impl </span>::std::error::Error <span class="kw">for </span>LsmError {
<span class="kw">fn </span>description(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str {
<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
LsmError::LibBug(<span class="kw">_</span>) => <span class="string">"Library bug"</span>,
LsmError::PluginBug(<span class="kw">_</span>) => <span class="string">"Plugin bug"</span>,
LsmError::TimeOut(<span class="kw">_</span>) => <span class="string">"Timeout"</span>,
LsmError::DaemonNotRunning(<span class="kw">_</span>) => <span class="string">"LibStoragemgmt daemon is not running"</span>,
LsmError::PermissionDenied(<span class="kw">_</span>) => <span class="string">"Permission denied"</span>,
LsmError::NameConflict(<span class="kw">_</span>) => <span class="string">"Name conflict"</span>,
LsmError::ExistsInitiator(<span class="kw">_</span>) => <span class="string">"Initiator exists and in use"</span>,
LsmError::InvalidArgument(<span class="kw">_</span>) => <span class="string">"Invalid argument"</span>,
LsmError::NoStateChange(<span class="kw">_</span>) => <span class="string">"No state change"</span>,
LsmError::NetworkConRefused(<span class="kw">_</span>) => <span class="string">"Network connection refused"</span>,
LsmError::NetworkHostDown(<span class="kw">_</span>) => <span class="string">"Network host down"</span>,
LsmError::NetworkError(<span class="kw">_</span>) => <span class="string">"Network error"</span>,
LsmError::NoMemory(<span class="kw">_</span>) => <span class="string">"Plugin ran out of memory"</span>,
LsmError::NoSupport(<span class="kw">_</span>) => <span class="string">"Not supported"</span>,
LsmError::IsMasked(<span class="kw">_</span>) => <span class="string">"Volume masked to access group"</span>,
LsmError::HasChildDependency(<span class="kw">_</span>) => <span class="string">"Volume or file system has child dependency"</span>,
LsmError::NotFoundAccessGroup(<span class="kw">_</span>) => <span class="string">"Access group not found"</span>,
LsmError::NotFoundFs(<span class="kw">_</span>) => <span class="string">"File system not found"</span>,
LsmError::NotFoundJob(<span class="kw">_</span>) => <span class="string">"Job not found"</span>,
LsmError::NotFoundPool(<span class="kw">_</span>) => <span class="string">"Pool not found"</span>,
LsmError::NotFoundFsSnapshot(<span class="kw">_</span>) => <span class="string">"File system snapshot not found"</span>,
LsmError::NotFoundVolume(<span class="kw">_</span>) => <span class="string">"Volume not found"</span>,
LsmError::NotFoundNfsExport(<span class="kw">_</span>) => <span class="string">"NFS export not found"</span>,
LsmError::NotFoundSystem(<span class="kw">_</span>) => <span class="string">"System not found"</span>,
LsmError::NotFoundDisk(<span class="kw">_</span>) => <span class="string">"Disk not found"</span>,
LsmError::NotLicensed(<span class="kw">_</span>) => <span class="string">"Specified feature is not licensed in storage system"</span>,
LsmError::NoSupportOnlineChange(<span class="kw">_</span>) => <span class="string">"Specified action require item in offline mode"</span>,
LsmError::NoSupportOfflineChange(<span class="kw">_</span>) => <span class="string">"Specified action require item in online mode"</span>,
LsmError::PluginAuthFailed(<span class="kw">_</span>) => <span class="string">"Authentication failed in plugin"</span>,
LsmError::PluginIpcFail(<span class="kw">_</span>) => <span class="string">"IPC communication to plugin failed"</span>,
LsmError::PluginSocketPermission(<span class="kw">_</span>) => <span class="string">"Permission deny on IPC communication to plugin"</span>,
LsmError::PluginNotExist(<span class="kw">_</span>) => <span class="string">"Specified plugin does not exist"</span>,
LsmError::NoEnoughSpace(<span class="kw">_</span>) => <span class="string">"No enough space"</span>,
LsmError::TransportCommunication(<span class="kw">_</span>) => <span class="string">"Error when communicating with plug-in"</span>,
LsmError::TransportSerialization(<span class="kw">_</span>) => <span class="string">"Incorrect transport serialization"</span>,
LsmError::TransportInvalidArg(<span class="kw">_</span>) => <span class="string">"Invalid transport argument"</span>,
LsmError::LastInitInAccessGroup(<span class="kw">_</span>) => {
<span class="string">"Refused to remove the last initiator from access group"
</span>}
LsmError::UnSupportedSearchKey(<span class="kw">_</span>) => <span class="string">"Specified search key is not supported"</span>,
LsmError::EmptyAccessGroup(<span class="kw">_</span>) => <span class="string">"Refused to mask volume to empty access group"</span>,
LsmError::PoolNotReady(<span class="kw">_</span>) => <span class="string">"Pool is not ready for specified action"</span>,
LsmError::DiskNotFree(<span class="kw">_</span>) => <span class="string">"Disk is not free for specified action"</span>,
}
}
}
<span class="kw">impl </span>fmt::Display <span class="kw">for </span>LsmError {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result {
<span class="macro">write!</span>(
f,
<span class="string">"{}"</span>,
<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
LsmError::LibBug(<span class="kw-2">ref </span>x)
| LsmError::PluginBug(<span class="kw-2">ref </span>x)
| LsmError::TimeOut(<span class="kw-2">ref </span>x)
| LsmError::DaemonNotRunning(<span class="kw-2">ref </span>x)
| LsmError::PermissionDenied(<span class="kw-2">ref </span>x)
| LsmError::NameConflict(<span class="kw-2">ref </span>x)
| LsmError::ExistsInitiator(<span class="kw-2">ref </span>x)
| LsmError::InvalidArgument(<span class="kw-2">ref </span>x)
| LsmError::NoStateChange(<span class="kw-2">ref </span>x)
| LsmError::NetworkConRefused(<span class="kw-2">ref </span>x)
| LsmError::NetworkHostDown(<span class="kw-2">ref </span>x)
| LsmError::NetworkError(<span class="kw-2">ref </span>x)
| LsmError::NoMemory(<span class="kw-2">ref </span>x)
| LsmError::NoSupport(<span class="kw-2">ref </span>x)
| LsmError::IsMasked(<span class="kw-2">ref </span>x)
| LsmError::HasChildDependency(<span class="kw-2">ref </span>x)
| LsmError::NotFoundAccessGroup(<span class="kw-2">ref </span>x)
| LsmError::NotFoundFs(<span class="kw-2">ref </span>x)
| LsmError::NotFoundJob(<span class="kw-2">ref </span>x)
| LsmError::NotFoundPool(<span class="kw-2">ref </span>x)
| LsmError::NotFoundFsSnapshot(<span class="kw-2">ref </span>x)
| LsmError::NotFoundVolume(<span class="kw-2">ref </span>x)
| LsmError::NotFoundNfsExport(<span class="kw-2">ref </span>x)
| LsmError::NotFoundSystem(<span class="kw-2">ref </span>x)
| LsmError::NotFoundDisk(<span class="kw-2">ref </span>x)
| LsmError::NotLicensed(<span class="kw-2">ref </span>x)
| LsmError::NoSupportOnlineChange(<span class="kw-2">ref </span>x)
| LsmError::NoSupportOfflineChange(<span class="kw-2">ref </span>x)
| LsmError::PluginAuthFailed(<span class="kw-2">ref </span>x)
| LsmError::PluginIpcFail(<span class="kw-2">ref </span>x)
| LsmError::PluginSocketPermission(<span class="kw-2">ref </span>x)
| LsmError::PluginNotExist(<span class="kw-2">ref </span>x)
| LsmError::NoEnoughSpace(<span class="kw-2">ref </span>x)
| LsmError::TransportCommunication(<span class="kw-2">ref </span>x)
| LsmError::TransportSerialization(<span class="kw-2">ref </span>x)
| LsmError::TransportInvalidArg(<span class="kw-2">ref </span>x)
| LsmError::LastInitInAccessGroup(<span class="kw-2">ref </span>x)
| LsmError::UnSupportedSearchKey(<span class="kw-2">ref </span>x)
| LsmError::EmptyAccessGroup(<span class="kw-2">ref </span>x)
| LsmError::PoolNotReady(<span class="kw-2">ref </span>x)
| LsmError::DiskNotFree(<span class="kw-2">ref </span>x) => x,
}
)
}
}
<span class="kw">pub type </span><span class="prelude-ty">Result</span><T> = result::Result<T, LsmError>;
<span class="kw">impl </span>From<::std::string::FromUtf8Error> <span class="kw">for </span>LsmError {
<span class="kw">fn </span>from(e: ::std::string::FromUtf8Error) -> <span class="self">Self </span>{
LsmError::TransportSerialization(<span class="macro">format!</span>(
<span class="string">"Failed to convert IPC message to UTF-8 string: {}"</span>,
e
))
}
}
<span class="kw">impl </span>From<::std::num::ParseIntError> <span class="kw">for </span>LsmError {
<span class="kw">fn </span>from(e: ::std::num::ParseIntError) -> <span class="self">Self </span>{
LsmError::TransportSerialization(<span class="macro">format!</span>(
<span class="string">"Failed to convert IPC message to UTF-8 integer: {}"</span>,
e
))
}
}
<span class="kw">impl </span>From<::std::str::Utf8Error> <span class="kw">for </span>LsmError {
<span class="kw">fn </span>from(e: ::std::str::Utf8Error) -> <span class="self">Self </span>{
LsmError::TransportSerialization(<span class="macro">format!</span>(
<span class="string">"Failed to convert IPC message to UTF-8 string: {}"</span>,
e
))
}
}
<span class="kw">impl </span>From<::serde_json::Error> <span class="kw">for </span>LsmError {
<span class="kw">fn </span>from(e: ::serde_json::Error) -> <span class="self">Self </span>{
LsmError::TransportSerialization(<span class="macro">format!</span>(
<span class="string">"Failed to convert IPC message to libstoragemgmt \
struct: {}"</span>,
e
))
}
}
<span class="kw">impl </span>From<::std::io::Error> <span class="kw">for </span>LsmError {
<span class="kw">fn </span>from(e: ::std::io::Error) -> <span class="self">Self </span>{
LsmError::TransportCommunication(<span class="macro">format!</span>(<span class="string">"{}"</span>, e))
}
}
<span class="kw">impl </span>From<::regex::Error> <span class="kw">for </span>LsmError {
<span class="kw">fn </span>from(e: ::regex::Error) -> <span class="self">Self </span>{
LsmError::LibBug(<span class="macro">format!</span>(<span class="string">"Regex error: {}"</span>, e))
}
}
<span class="comment">//const ERROR_NUMBER_OK: i32 = 0; // will never used in IPC
</span><span class="kw">const </span>ERROR_NUMBER_LIB_BUG: i32 = <span class="number">1</span>;
<span class="kw">const </span>ERROR_NUMBER_PLUGIN_BUG: i32 = <span class="number">2</span>;
<span class="comment">//const ERROR_NUMBER_JOB_STARTED: i32 = 7; // will never used in IPC
</span><span class="kw">const </span>ERROR_NUMBER_TIMEOUT: i32 = <span class="number">11</span>;
<span class="comment">//const ERROR_NUMBER_DAEMON_NOT_RUNNING: i32 = 12; // will never used in IPC
//const ERROR_NUMBER_PERMISSION_DENIED: i32 = 13; // will never used in IPC
</span><span class="kw">const </span>ERROR_NUMBER_NAME_CONFLICT: i32 = <span class="number">50</span>;
<span class="kw">const </span>ERROR_NUMBER_EXISTS_INITIATOR: i32 = <span class="number">52</span>;
<span class="kw">const </span>ERROR_NUMBER_INVALID_ARGUMENT: i32 = <span class="number">101</span>;
<span class="kw">const </span>ERROR_NUMBER_NO_STATE_CHANGE: i32 = <span class="number">125</span>;
<span class="kw">const </span>ERROR_NUMBER_NETWORK_CONNREFUSED: i32 = <span class="number">140</span>;
<span class="kw">const </span>ERROR_NUMBER_NETWORK_HOSTDOWN: i32 = <span class="number">141</span>;
<span class="kw">const </span>ERROR_NUMBER_NETWORK_ERROR: i32 = <span class="number">142</span>;
<span class="kw">const </span>ERROR_NUMBER_NO_MEMORY: i32 = <span class="number">152</span>;
<span class="kw">const </span>ERROR_NUMBER_NO_SUPPORT: i32 = <span class="number">153</span>;
<span class="kw">const </span>ERROR_NUMBER_IS_MASKED: i32 = <span class="number">160</span>;
<span class="kw">const </span>ERROR_NUMBER_HAS_CHILD_DEPENDENCY: i32 = <span class="number">161</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_ACCESS_GROUP: i32 = <span class="number">200</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_FS: i32 = <span class="number">201</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_JOB: i32 = <span class="number">202</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_POOL: i32 = <span class="number">203</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_FS_SS: i32 = <span class="number">204</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_VOLUME: i32 = <span class="number">205</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_NFS_EXPORT: i32 = <span class="number">206</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_SYSTEM: i32 = <span class="number">208</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_FOUND_DISK: i32 = <span class="number">209</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_LICENSED: i32 = <span class="number">226</span>;
<span class="kw">const </span>ERROR_NUMBER_NO_SUPPORT_ONLINE_CHANGE: i32 = <span class="number">250</span>;
<span class="kw">const </span>ERROR_NUMBER_NO_SUPPORT_OFFLINE_CHANGE: i32 = <span class="number">251</span>;
<span class="kw">const </span>ERROR_NUMBER_PLUGIN_AUTH_FAILED: i32 = <span class="number">300</span>;
<span class="kw">const </span>ERROR_NUMBER_PLUGIN_IPC_FAIL: i32 = <span class="number">301</span>;
<span class="kw">const </span>ERROR_NUMBER_PLUGIN_SOCKET_PERMISSION: i32 = <span class="number">307</span>;
<span class="kw">const </span>ERROR_NUMBER_PLUGIN_NOT_EXIST: i32 = <span class="number">311</span>;
<span class="kw">const </span>ERROR_NUMBER_NOT_ENOUGH_SPACE: i32 = <span class="number">350</span>;
<span class="kw">const </span>ERROR_NUMBER_TRANSPORT_COMMUNICATION: i32 = <span class="number">400</span>;
<span class="kw">const </span>ERROR_NUMBER_TRANSPORT_SERIALIZATION: i32 = <span class="number">401</span>;
<span class="kw">const </span>ERROR_NUMBER_TRANSPORT_INVALID_ARG: i32 = <span class="number">402</span>;
<span class="kw">const </span>ERROR_NUMBER_LAST_INIT_IN_ACCESS_GROUP: i32 = <span class="number">502</span>;
<span class="kw">const </span>ERROR_NUMBER_UNSUPPORTED_SEARCH_KEY: i32 = <span class="number">510</span>;
<span class="kw">const </span>ERROR_NUMBER_EMPTY_ACCESS_GROUP: i32 = <span class="number">511</span>;
<span class="kw">const </span>ERROR_NUMBER_POOL_NOT_READY: i32 = <span class="number">512</span>;
<span class="kw">const </span>ERROR_NUMBER_DISK_NOT_FREE: i32 = <span class="number">513</span>;
<span class="attr">#[allow(dead_code)]
#[derive(Deserialize, Debug)]
</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>LsmErrorIpc {
<span class="kw">pub</span>(<span class="kw">crate</span>) code: i32,
<span class="kw">pub</span>(<span class="kw">crate</span>) message: String,
<span class="kw">pub</span>(<span class="kw">crate</span>) data: <span class="prelude-ty">Option</span><String>,
}
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>lsm_error_code_to_lsm_error(code: i32, message: String) -> LsmError {
<span class="kw">match </span>code {
ERROR_NUMBER_LIB_BUG => LsmError::LibBug(message),
ERROR_NUMBER_PLUGIN_BUG => LsmError::PluginBug(message),
ERROR_NUMBER_TIMEOUT => LsmError::TimeOut(message),
ERROR_NUMBER_NAME_CONFLICT => LsmError::NameConflict(message),
ERROR_NUMBER_EXISTS_INITIATOR => LsmError::ExistsInitiator(message),
ERROR_NUMBER_INVALID_ARGUMENT => LsmError::InvalidArgument(message),
ERROR_NUMBER_NO_STATE_CHANGE => LsmError::NoStateChange(message),
ERROR_NUMBER_NETWORK_CONNREFUSED => LsmError::NetworkConRefused(message),
ERROR_NUMBER_NETWORK_HOSTDOWN => LsmError::NetworkHostDown(message),
ERROR_NUMBER_NETWORK_ERROR => LsmError::NetworkError(message),
ERROR_NUMBER_NO_MEMORY => LsmError::NoMemory(message),
ERROR_NUMBER_NO_SUPPORT => LsmError::NoSupport(message),
ERROR_NUMBER_IS_MASKED => LsmError::IsMasked(message),
ERROR_NUMBER_HAS_CHILD_DEPENDENCY => LsmError::HasChildDependency(message),
ERROR_NUMBER_NOT_FOUND_ACCESS_GROUP => LsmError::NotFoundAccessGroup(message),
ERROR_NUMBER_NOT_FOUND_FS => LsmError::NotFoundFs(message),
ERROR_NUMBER_NOT_FOUND_JOB => LsmError::NotFoundJob(message),
ERROR_NUMBER_NOT_FOUND_POOL => LsmError::NotFoundPool(message),
ERROR_NUMBER_NOT_FOUND_FS_SS => LsmError::NotFoundFsSnapshot(message),
ERROR_NUMBER_NOT_FOUND_VOLUME => LsmError::NotFoundVolume(message),
ERROR_NUMBER_NOT_FOUND_NFS_EXPORT => LsmError::NotFoundNfsExport(message),
ERROR_NUMBER_NOT_FOUND_SYSTEM => LsmError::NotFoundSystem(message),
ERROR_NUMBER_NOT_FOUND_DISK => LsmError::NotFoundDisk(message),
ERROR_NUMBER_NOT_LICENSED => LsmError::NotLicensed(message),
ERROR_NUMBER_NO_SUPPORT_ONLINE_CHANGE => LsmError::NoSupportOnlineChange(message),
ERROR_NUMBER_NO_SUPPORT_OFFLINE_CHANGE => LsmError::NoSupportOfflineChange(message),
ERROR_NUMBER_PLUGIN_AUTH_FAILED => LsmError::PluginAuthFailed(message),
ERROR_NUMBER_PLUGIN_IPC_FAIL => LsmError::PluginIpcFail(message),
ERROR_NUMBER_PLUGIN_SOCKET_PERMISSION => LsmError::PluginSocketPermission(message),
ERROR_NUMBER_PLUGIN_NOT_EXIST => LsmError::PluginNotExist(message),
ERROR_NUMBER_NOT_ENOUGH_SPACE => LsmError::NoEnoughSpace(message),
ERROR_NUMBER_TRANSPORT_COMMUNICATION => LsmError::TransportCommunication(message),
ERROR_NUMBER_TRANSPORT_SERIALIZATION => LsmError::TransportSerialization(message),
ERROR_NUMBER_TRANSPORT_INVALID_ARG => LsmError::TransportInvalidArg(message),
ERROR_NUMBER_LAST_INIT_IN_ACCESS_GROUP => LsmError::LastInitInAccessGroup(message),
ERROR_NUMBER_UNSUPPORTED_SEARCH_KEY => LsmError::UnSupportedSearchKey(message),
ERROR_NUMBER_EMPTY_ACCESS_GROUP => LsmError::EmptyAccessGroup(message),
ERROR_NUMBER_POOL_NOT_READY => LsmError::PoolNotReady(message),
ERROR_NUMBER_DISK_NOT_FREE => LsmError::DiskNotFree(message),
<span class="kw">_ </span>=> LsmError::LibBug(<span class="macro">format!</span>(<span class="string">"Invalid error code: {} msg: {}"</span>, code, message)),
}
}
<span class="kw">impl </span>From<LsmErrorIpc> <span class="kw">for </span>LsmError {
<span class="kw">fn </span>from(e: LsmErrorIpc) -> <span class="self">Self </span>{
lsm_error_code_to_lsm_error(e.code, e.message)
}
}
</code></pre></div></section></main></body></html>