1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
pub use capi::screquest::{HREQUEST, REQUEST_RESULT};
pub use capi::screquest::{REQUEST_METHOD, REQUEST_STATE, REQUEST_TYPE, RESOURCE_TYPE};
use capi::sctypes::{LPVOID, UINT};
use capi::scdef::{LPCWSTR_RECEIVER};
use utf::{store_astr, store_wstr, store_bstr};
use _RAPI;
macro_rules! ok_or {
($ok:ident) => {
ok_or!((), $ok)
};
($rv:expr, $ok:ident) => {
if $ok == REQUEST_RESULT::OK {
Ok($rv)
} else {
Err($ok)
}
};
}
pub type Result<T> = ::std::result::Result<T, REQUEST_RESULT>;
type GetCountFn = extern "system" fn (rq: HREQUEST, pNumber: &mut UINT) -> REQUEST_RESULT;
type GetNameFn = extern "system" fn (rq: HREQUEST, n: UINT, rcv: LPCWSTR_RECEIVER, rcv_param: LPVOID) -> REQUEST_RESULT;
type GetValueFn = extern "system" fn (rq: HREQUEST, n: UINT, rcv: LPCWSTR_RECEIVER, rcv_param: LPVOID) -> REQUEST_RESULT;
pub struct Request(HREQUEST);
impl Drop for Request {
fn drop(&mut self) {
(_RAPI.RequestUnUse)(self.0);
}
}
impl Clone for Request {
fn clone(&self) -> Self {
let dst = Request(self.0);
(_RAPI.RequestUse)(dst.0);
dst
}
}
impl From<HREQUEST> for Request {
fn from(hrq: HREQUEST) -> Request {
assert!(!hrq.is_null());
(_RAPI.RequestUse)(hrq);
Request(hrq)
}
}
impl Request {
pub fn succeeded(&mut self, status: u32, data: Option<&[u8]>) -> Result<()> {
let (ptr, size) = if let Some(data) = data {
(data.as_ptr(), data.len() as u32)
} else {
(std::ptr::null(), 0_u32)
};
let ok = (_RAPI.RequestSetSucceeded)(self.0, status, ptr, size);
ok_or!(ok)
}
pub fn failed(&mut self, status: u32, data: Option<&[u8]>) -> Result<()> {
let (ptr, size) = if let Some(data) = data {
(data.as_ptr(), data.len() as u32)
} else {
(std::ptr::null(), 0_u32)
};
let ok = (_RAPI.RequestSetSucceeded)(self.0, status, ptr, size);
ok_or!(ok)
}
pub fn append_received_data(&mut self, data: &[u8]) -> Result<()> {
let (ptr, size) = (data.as_ptr(), data.len() as u32);
let ok = (_RAPI.RequestAppendDataChunk)(self.0, ptr, size);
ok_or!(ok)
}
pub fn get_received_data(&self) -> Result<Vec<u8>> {
let mut data = Vec::new();
let ok = (_RAPI.RequestGetData)(self.0, store_bstr, &mut data as *mut _ as LPVOID);
ok_or!(data, ok)
}
pub fn url(&self) -> Result<String> {
let mut s = String::new();
let ok = (_RAPI.RequestUrl)(self.0, store_astr, &mut s as *mut _ as LPVOID);
ok_or!(s, ok)
}
pub fn content_url(&self) -> Result<String> {
let mut s = String::new();
let ok = (_RAPI.RequestContentUrl)(self.0, store_astr, &mut s as *mut _ as LPVOID);
ok_or!(s, ok)
}
pub fn method(&self) -> Result<REQUEST_METHOD> {
let mut t = REQUEST_METHOD::GET;
let ok = (_RAPI.RequestGetRequestType)(self.0, &mut t);
ok_or!(t, ok)
}
pub fn request_type(&self) -> Result<RESOURCE_TYPE> {
let mut t = RESOURCE_TYPE::RAW;
let ok = (_RAPI.RequestGetRequestedDataType)(self.0, &mut t);
ok_or!(t, ok)
}
pub fn response_type(&self) -> Result<String> {
let mut s = String::new();
let ok = (_RAPI.RequestGetReceivedDataType)(self.0, store_astr, &mut s as *mut _ as LPVOID);
ok_or!(s, ok)
}
pub fn set_response_type(&mut self, mime_type: &str) -> Result<()> {
let text = s2u!(mime_type);
let ok = (_RAPI.RequestSetReceivedDataType)(self.0, text.as_ptr());
ok_or!(ok)
}
pub fn set_response_encoding(&mut self, encoding_type: &str) -> Result<()> {
let text = s2u!(encoding_type);
let ok = (_RAPI.RequestSetReceivedDataEncoding)(self.0, text.as_ptr());
ok_or!(ok)
}
fn get_collection_impl(&self, get_count: GetCountFn, get_name: GetNameFn, get_value: GetValueFn) -> Result<std::collections::HashMap<String, String>> {
let mut count = 0;
let ok = get_count(self.0, &mut count);
if ok != REQUEST_RESULT::OK {
return Err(ok);
}
let mut args = std::collections::HashMap::with_capacity(count as usize);
for i in 0..count {
let mut name = String::new();
let mut ok = get_name(self.0, i, store_wstr, &mut name as *mut _ as LPVOID);
if ok == REQUEST_RESULT::OK {
let mut value = String::new();
ok = get_value(self.0, i, store_wstr, &mut value as *mut _ as LPVOID);
if ok == REQUEST_RESULT::OK {
args.insert(name, value);
}
}
if ok != REQUEST_RESULT::OK {
return Err(ok);
}
}
Ok(args)
}
pub fn parameters(&self) -> Result<std::collections::HashMap<String, String>> {
self.get_collection_impl(_RAPI.RequestGetNumberOfParameters, _RAPI.RequestGetNthParameterName, _RAPI.RequestGetNthParameterValue)
}
pub fn request_headers(&self) -> Result<std::collections::HashMap<String, String>> {
self.get_collection_impl(_RAPI.RequestGetNumberOfRqHeaders, _RAPI.RequestGetNthRqHeaderName, _RAPI.RequestGetNthRqHeaderValue)
}
pub fn set_request_header(&mut self, name: &str, value: &str) -> Result<()> {
let wname = s2w!(name);
let wtext = s2w!(value);
let ok = (_RAPI.RequestSetRqHeader)(self.0, wname.as_ptr(), wtext.as_ptr());
ok_or!(ok)
}
pub fn response_headers(&self) -> Result<std::collections::HashMap<String, String>> {
self.get_collection_impl(_RAPI.RequestGetNumberOfRspHeaders, _RAPI.RequestGetNthRspHeaderName, _RAPI.RequestGetNthRspHeaderValue)
}
pub fn set_response_header(&mut self, name: &str, value: &str) -> Result<()> {
let wname = s2w!(name);
let wtext = s2w!(value);
let ok = (_RAPI.RequestSetRspHeader)(self.0, wname.as_ptr(), wtext.as_ptr());
ok_or!(ok)
}
pub fn proxy(&self) -> Result<(String, u16)> {
let mut s = String::new();
let mut ok = (_RAPI.RequestGetProxyHost)(self.0, store_astr, &mut s as *mut _ as LPVOID);
if ok == REQUEST_RESULT::OK {
let mut n = 0_u32;
ok = (_RAPI.RequestGetProxyPort)(self.0, &mut n);
if ok == REQUEST_RESULT::OK {
return Ok((s, n as u16));
}
}
Err(ok)
}
pub fn completion_status(&self) -> Result<(REQUEST_STATE, u32)> {
let mut state = REQUEST_STATE::SUCCESS;
let mut code = 0_u32;
let ok = (_RAPI.RequestGetCompletionStatus)(self.0, &mut state, &mut code);
ok_or!((state, code), ok)
}
pub fn request_duration(&self) -> Result<std::time::Duration> {
let mut started = 0;
let mut ended = 0;
let ok = (_RAPI.RequestGetTimes)(self.0, &mut started, &mut ended);
if ok == REQUEST_RESULT::OK && ended > started {
let d = std::time::Duration::from_millis(ended as u64 - started as u64);
Ok(d)
} else {
Err(ok)
}
}
pub fn request_time(&self) -> Result<(std::time::Duration, std::time::Duration)> {
let mut started = 0;
let mut ended = 0;
let ok = (_RAPI.RequestGetTimes)(self.0, &mut started, &mut ended);
if ok == REQUEST_RESULT::OK {
use std::time::Duration;
let s = Duration::from_millis(started as u64);
let e = Duration::from_millis(ended as u64);
Ok((s, e))
} else {
Err(ok)
}
}
}