Preliminary support added for getting and retrieving binary data.
1 | /* |
2 | * The contents of this file are subject to the AOLserver Public License |
3 | * Version 1.1 (the "License"); you may not use this file except in |
4 | * compliance with the License. You may obtain a copy of the License at |
5 | * http://aolserver.com/. |
6 | * |
7 | * Software distributed under the License is distributed on an "AS IS" |
8 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See |
9 | * the License for the specific language governing rights and limitations |
10 | * under the License. |
11 | * |
12 | * The Original Code is AOLserver Code and related documentation |
13 | * distributed by AOL. |
14 | * |
15 | * The Initial Developer of the Original Code is America Online, |
16 | * Inc. Portions created by AOL are Copyright (C) 1999 America Online, |
17 | * Inc. All Rights Reserved. |
18 | * |
19 | * Alternatively, the contents of this file may be used under the terms |
20 | * of the GNU General Public License (the "GPL"), in which case the |
21 | * provisions of GPL are applicable instead of those above. If you wish |
22 | * to allow use of your version of this file only under the terms of the |
23 | * GPL and not to allow others to use your version of this file under the |
24 | * License, indicate your decision by deleting the provisions above and |
25 | * replace them with the notice and other provisions required by the GPL. |
26 | * If you do not delete the provisions above, a recipient may use your |
27 | * version of this file under either the License or the GPL. |
28 | */ |
29 | |
30 | /* |
31 | * tclhttp.c -- |
32 | * |
33 | * Support for the ns_http command. |
34 | */ |
35 | |
36 | static const char *RCSID = "@(#) $Header: /cvsroot-fuse/aolserver/aolserver/nsd/tclhttp.c,v 1.24 2007/03/12 20:29:44 shmooved Exp $, compiled: " __DATE__ " " __TIME__; |
37 | |
38 | #include "nsd.h" |
39 | |
40 | extern Tcl_ObjCmdProc <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_NsTclHttpObjCmd">NsTclHttpObjCmd</a>; |
41 | |
42 | typedef struct { |
43 | Ns_Task *task; |
44 | SOCKET sock; |
45 | char *error; |
46 | char *next; |
47 | size_t len; |
48 | int status; |
49 | Ns_Time timeout; |
50 | Ns_Time stime; |
51 | Ns_Time etime; |
52 | Tcl_DString ds; |
53 | } Http; |
54 | |
55 | /* |
56 | * Local functions defined in this file |
57 | */ |
58 | |
59 | static int <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpWaitCmd">HttpWaitCmd</a>(NsInterp *itPtr, int objc, Tcl_Obj **objv); |
60 | static int <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpQueueCmd">HttpQueueCmd</a>(NsInterp *itPtr, int objc, Tcl_Obj **objv, int run); |
61 | static int <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_SetWaitVar">SetWaitVar</a>(Tcl_Interp *interp, Tcl_Obj *varPtr, Tcl_Obj *valPtr); |
62 | static int <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpConnect">HttpConnect</a>(Tcl_Interp *interp, char *method, char *url, |
63 | Ns_Set *hdrs, Tcl_Obj *bodyPtr, Http **httpPtrPtr); |
64 | static char *<a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpResult">HttpResult</a>(Tcl_DString ds, int *statusPtr, Ns_Set *hdrs, Tcl_Obj **objPtrPtr); |
65 | static void <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpClose">HttpClose</a>(Http *httpPtr); |
66 | static void <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpCancel">HttpCancel</a>(Http *httpPtr); |
67 | static void <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpAbort">HttpAbort</a>(Http *httpPtr); |
68 | static int <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_GetHttp">GetHttp</a>(NsInterp *itPtr, Tcl_Obj *obj, Http **httpPtrPtr); |
69 | static Ns_TaskProc <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpProc">HttpProc</a>; |
70 | |
71 | /* |
72 | * Static variables defined in this file. |
73 | */ |
74 | |
75 | static Ns_TaskQueue *queue; |
76 | |
77 | |
78 | /* |
79 | *---------------------------------------------------------------------- |
80 | * |
81 | * <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_NsTclNHttpObjCmd">NsTclNHttpObjCmd</a> -- |
82 | * |
83 | * Implements the new ns_http to handle HTTP requests. |
84 | * |
85 | * Results: |
86 | * Standard Tcl result. |
87 | * |
88 | * Side effects: |
89 | * May queue an HTTP request. |
90 | * |
91 | *---------------------------------------------------------------------- |
92 | */ |
93 | |
94 | int |
95 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_NsTclNHttpObjCmd">NsTclNHttpObjCmd</a>(ClientData arg, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) |
96 | { |
97 | NsInterp *itPtr = arg; |
98 | Http *httpPtr; |
99 | Tcl_HashEntry *hPtr; |
100 | Tcl_HashSearch search; |
101 | int run = 0; |
102 | static CONST char *opts[] = { |
103 | "cancel", "cleanup", "run", "queue", "wait", NULL |
104 | }; |
105 | enum { |
106 | HCancelIdx, HCleanupIdx, HRunIdx, HQueueIdx, HWaitIdx |
107 | } opt; |
108 | |
109 | if (objc < 2) { |
110 | Tcl_WrongNumArgs(interp, 1, objv, "option ?args ...?"); |
111 | return TCL_ERROR; |
112 | } |
113 | if (Tcl_GetIndexFromObj(interp, objv[1], opts, "option", 0, |
114 | (int *) &opt) != TCL_OK) { |
115 | return TCL_ERROR; |
116 | } |
117 | |
118 | switch (opt) { |
119 | case HRunIdx: |
120 | run = 1; |
121 | /* FALLTHROUGH */ |
122 | case HQueueIdx: |
123 | return <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpQueueCmd">HttpQueueCmd</a>(itPtr, objc, objv, run); |
124 | break; |
125 | |
126 | case HWaitIdx: |
127 | return <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpWaitCmd">HttpWaitCmd</a>(itPtr, objc, objv); |
128 | break; |
129 | |
130 | case HCancelIdx: |
131 | if (objc != 2) { |
132 | Tcl_WrongNumArgs(interp, 2, objv, "id"); |
133 | return TCL_ERROR; |
134 | } |
135 | if (!<a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_GetHttp">GetHttp</a>(itPtr, objv[2], &httpPtr)) { |
136 | return TCL_ERROR; |
137 | } |
138 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpAbort">HttpAbort</a>(httpPtr); |
139 | break; |
140 | |
141 | case HCleanupIdx: |
142 | hPtr = Tcl_FirstHashEntry(&itPtr->https, &search); |
143 | while (hPtr != NULL) { |
144 | httpPtr = Tcl_GetHashValue(hPtr); |
145 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpAbort">HttpAbort</a>(httpPtr); |
146 | hPtr = Tcl_NextHashEntry(&search); |
147 | } |
148 | Tcl_DeleteHashTable(&itPtr->https); |
149 | Tcl_InitHashTable(&itPtr->https, TCL_STRING_KEYS); |
150 | break; |
151 | } |
152 | return TCL_OK; |
153 | } |
154 | |
155 | |
156 | /* |
157 | *---------------------------------------------------------------------- |
158 | * |
159 | * <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpQueueCmd">HttpQueueCmd</a> -- |
160 | * |
161 | * Implements "ns_http queue" subcommand. |
162 | * |
163 | * Results: |
164 | * Standard Tcl result. |
165 | * |
166 | * Side effects: |
167 | * May queue an HTTP request. |
168 | * |
169 | *---------------------------------------------------------------------- |
170 | */ |
171 | |
172 | static int |
173 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpQueueCmd">HttpQueueCmd</a>(NsInterp *itPtr, int objc, Tcl_Obj **objv, int run) |
174 | { |
175 | Tcl_Interp *interp = itPtr->interp; |
176 | int new, i; |
177 | Tcl_HashEntry *hPtr; |
178 | Http *httpPtr; |
179 | char buf[100], *arg, *url; |
180 | char *method = "GET"; |
181 | Ns_Set *hdrs = NULL; |
182 | Tcl_Obj *bodyPtr = NULL; |
183 | Ns_Time incr; |
184 | static CONST char *opts[] = { |
185 | "-method", "-timeout", "-body", "-headers", NULL |
186 | }; |
187 | enum { |
188 | QMethodIdx, QTimeoutIdx, QBodyIdx, QHeadersIdx |
189 | } opt; |
190 | |
191 | incr.sec = 2; |
192 | incr.usec = 0; |
193 | for (i = 2; i < objc; ++i) { |
194 | arg = Tcl_GetString(objv[i]); |
195 | if (arg[0] != '-') { |
196 | break; |
197 | } |
198 | if (Tcl_GetIndexFromObj(interp, objv[i], opts, "option", 0, |
199 | (int *) &opt) != TCL_OK) { |
200 | return TCL_ERROR; |
201 | } |
202 | if ((i + 2) == objc) { |
203 | Tcl_AppendResult(interp, "no argument given to ", opts[opt], NULL); |
204 | return TCL_ERROR; |
205 | } |
206 | ++i; |
207 | switch (opt) { |
208 | case QMethodIdx: |
209 | method = Tcl_GetString(objv[i]); |
210 | break; |
211 | case QTimeoutIdx: |
212 | if (<a href="/cvs/aolserver/aolserver/nsd/tclobj.c#A_Ns_TclGetTimeFromObj">Ns_TclGetTimeFromObj</a>(interp, objv[i], &incr) != TCL_OK) { |
213 | return TCL_ERROR; |
214 | } |
215 | break; |
216 | case QBodyIdx: |
217 | bodyPtr = objv[i]; |
218 | break; |
219 | case QHeadersIdx: |
220 | if (<a href="/cvs/aolserver/aolserver/nsd/tclset.c#A_Ns_TclGetSet2">Ns_TclGetSet2</a>(interp, Tcl_GetString(objv[i]), |
221 | &hdrs) != TCL_OK) { |
222 | return TCL_ERROR; |
223 | } |
224 | break; |
225 | } |
226 | } |
227 | if ((objc - i) != 1) { |
228 | Tcl_WrongNumArgs(interp, 2, objv, "?flags? url"); |
229 | return TCL_ERROR; |
230 | } |
231 | url = Tcl_GetString(objv[i]); |
232 | if (!<a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpConnect">HttpConnect</a>(interp, method, url, hdrs, bodyPtr, &httpPtr)) { |
233 | return TCL_ERROR; |
234 | } |
235 | Ns_GetTime(&httpPtr->stime); |
236 | httpPtr->timeout = httpPtr->stime; |
237 | Ns_IncrTime(&httpPtr->timeout, incr.sec, incr.usec); |
238 | httpPtr->task = <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskCreate">Ns_TaskCreate</a>(httpPtr->sock, <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpProc">HttpProc</a>, httpPtr); |
239 | if (run) { |
240 | <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskRun">Ns_TaskRun</a>(httpPtr->task); |
241 | } else { |
242 | if (queue == NULL) { |
243 | Ns_MasterLock(); |
244 | if (queue == NULL) { |
245 | queue = <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_CreateTaskQueue">Ns_CreateTaskQueue</a>("tclhttp"); |
246 | } |
247 | Ns_MasterUnlock(); |
248 | } |
249 | if (<a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskEnqueue">Ns_TaskEnqueue</a>(httpPtr->task, queue) != NS_OK) { |
250 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpClose">HttpClose</a>(httpPtr); |
251 | Tcl_AppendResult(interp, "could not queue http task", NULL); |
252 | return TCL_ERROR; |
253 | } |
254 | } |
255 | i = itPtr->https.numEntries; |
256 | do { |
257 | sprintf(buf, "http%d", i++); |
258 | hPtr = Tcl_CreateHashEntry(&itPtr->https, buf, &new); |
259 | } while (!new); |
260 | Tcl_SetHashValue(hPtr, httpPtr); |
261 | Tcl_SetResult(interp, buf, TCL_VOLATILE); |
262 | return TCL_OK; |
263 | } |
264 | |
265 | |
266 | /* |
267 | *---------------------------------------------------------------------- |
268 | * |
269 | * <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpWaitCmd">HttpWaitCmd</a> -- |
270 | * |
271 | * Implements "ns_http wait" subcommand. |
272 | * |
273 | * Results: |
274 | * Standard Tcl result. |
275 | * |
276 | * Side effects: |
277 | * May queue an HTTP request. |
278 | * |
279 | *---------------------------------------------------------------------- |
280 | */ |
281 | |
282 | static int |
283 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpWaitCmd">HttpWaitCmd</a>(NsInterp *itPtr, int objc, Tcl_Obj **objv) |
284 | { |
285 | Tcl_Interp *interp = itPtr->interp; |
286 | Tcl_Obj *valPtr; |
287 | Tcl_Obj *elapsedPtr = NULL; |
288 | Tcl_Obj *resultPtr = NULL; |
289 | Tcl_Obj *statusPtr = NULL; |
290 | Tcl_Obj *responsePtr; |
291 | Ns_Set *hdrs = NULL; |
292 | Ns_Time diff; |
293 | char *arg, *content; |
294 | Http *httpPtr; |
295 | int result = TCL_ERROR; |
296 | int i, status; |
297 | static CONST char *opts[] = { |
298 | "-elapsed", "-result", "-headers", "-status", NULL |
299 | }; |
300 | enum { |
301 | WElapsedIdx, WResultIdx, WHeadersIdx, WStatusIdx |
302 | } opt; |
303 | |
304 | for (i = 2; i < objc; ++i) { |
305 | arg = Tcl_GetString(objv[i]); |
306 | if (arg[0] != '-') { |
307 | break; |
308 | } |
309 | if (Tcl_GetIndexFromObj(interp, objv[i], opts, "option", 0, |
310 | (int *) &opt) != TCL_OK) { |
311 | return TCL_ERROR; |
312 | } |
313 | if (++i == objc) { |
314 | Tcl_AppendResult(interp, "no argument given to ", opts[opt], NULL); |
315 | return TCL_ERROR; |
316 | } |
317 | switch (opt) { |
318 | case WElapsedIdx: |
319 | elapsedPtr = objv[i]; |
320 | break; |
321 | case WResultIdx: |
322 | resultPtr = objv[i]; |
323 | break; |
324 | case WStatusIdx: |
325 | statusPtr = objv[i]; |
326 | break; |
327 | case WHeadersIdx: |
328 | if (<a href="/cvs/aolserver/aolserver/nsd/tclset.c#A_Ns_TclGetSet2">Ns_TclGetSet2</a>(interp, Tcl_GetString(objv[i]), |
329 | &hdrs) != TCL_OK) { |
330 | return TCL_ERROR; |
331 | } |
332 | break; |
333 | } |
334 | } |
335 | if ((objc - i) != 1) { |
336 | Tcl_WrongNumArgs(interp, 2, objv, "?flags? id"); |
337 | return TCL_ERROR; |
338 | } |
339 | if (!<a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_GetHttp">GetHttp</a>(itPtr, objv[i], &httpPtr)) { |
340 | return TCL_ERROR; |
341 | } |
342 | if (<a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskWait">Ns_TaskWait</a>(httpPtr->task, NULL) != NS_OK) { |
343 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpCancel">HttpCancel</a>(httpPtr); |
344 | Tcl_AppendResult(interp, "timeout waiting for task", NULL); |
345 | return TCL_ERROR; |
346 | } |
347 | result = TCL_ERROR; |
348 | if (elapsedPtr != NULL) { |
349 | Ns_DiffTime(&httpPtr->etime, &httpPtr->stime, &diff); |
350 | valPtr = Tcl_NewObj(); |
351 | <a href="/cvs/aolserver/aolserver/nsd/tclobj.c#A_Ns_TclSetTimeObj">Ns_TclSetTimeObj</a>(valPtr, &diff); |
352 | if (!<a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_SetWaitVar">SetWaitVar</a>(interp, elapsedPtr, valPtr)) { |
353 | goto err; |
354 | } |
355 | } |
356 | if (httpPtr->error) { |
357 | Tcl_AppendResult(interp, "http failed: ", httpPtr->error, NULL); |
358 | goto err; |
359 | } |
360 | content = <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpResult">HttpResult</a>(httpPtr->ds, &status, hdrs, &responsePtr); |
361 | if (statusPtr != NULL && |
362 | !<a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_SetWaitVar">SetWaitVar</a>(interp, statusPtr, Tcl_NewIntObj(status))) { |
363 | goto err; |
364 | } |
365 | if (resultPtr == NULL) { |
366 | Tcl_SetObjResult(interp, responsePtr); |
367 | } else { |
368 | if (!<a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_SetWaitVar">SetWaitVar</a>(interp, resultPtr, responsePtr)) { |
369 | goto err; |
370 | } |
371 | Tcl_SetBooleanObj(Tcl_GetObjResult(interp), 1); |
372 | } |
373 | result = TCL_OK; |
374 | |
375 | err: |
376 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpClose">HttpClose</a>(httpPtr); |
377 | return result; |
378 | } |
379 | |
380 | |
381 | /* |
382 | *---------------------------------------------------------------------- |
383 | * |
384 | * <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_GetHttp">GetHttp</a> -- |
385 | * |
386 | * Locate and remove the Http struct for a given id. |
387 | * |
388 | * Results: |
389 | * 1 on success, 0 otherwise. |
390 | * |
391 | * Side effects: |
392 | * Will update given httpPtrPtr with pointer to Http struct. |
393 | * |
394 | *---------------------------------------------------------------------- |
395 | */ |
396 | |
397 | static int |
398 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_GetHttp">GetHttp</a>(NsInterp *itPtr, Tcl_Obj *obj, Http **httpPtrPtr) |
399 | { |
400 | Tcl_HashEntry *hPtr; |
401 | char *id; |
402 | |
403 | id = Tcl_GetString(obj); |
404 | hPtr = Tcl_FindHashEntry(&itPtr->https, id); |
405 | if (hPtr == NULL) { |
406 | Tcl_AppendResult(itPtr->interp, "no such request: ", id, NULL); |
407 | return 0; |
408 | } |
409 | *httpPtrPtr = Tcl_GetHashValue(hPtr); |
410 | Tcl_DeleteHashEntry(hPtr); |
411 | return 1; |
412 | } |
413 | |
414 | |
415 | /* |
416 | *---------------------------------------------------------------------- |
417 | * |
418 | * <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_SetWaitVar">SetWaitVar</a> -- |
419 | * |
420 | * Set a variable by name. Convience routine for for <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpWaitCmd">HttpWaitCmd</a>. |
421 | * |
422 | * Results: |
423 | * 1 on success, 0 otherwise. |
424 | * |
425 | * Side effects: |
426 | * None. |
427 | * |
428 | *---------------------------------------------------------------------- |
429 | */ |
430 | |
431 | static int |
432 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_SetWaitVar">SetWaitVar</a>(Tcl_Interp *interp, Tcl_Obj *varPtr, Tcl_Obj *valPtr) |
433 | { |
434 | Tcl_Obj *errPtr; |
435 | |
436 | Tcl_IncrRefCount(valPtr); |
437 | errPtr = Tcl_ObjSetVar2(interp, varPtr, NULL, valPtr, |
438 | TCL_PARSE_PART1|TCL_LEAVE_ERR_MSG); |
439 | Tcl_DecrRefCount(valPtr); |
440 | return (errPtr ? 1 : 0); |
441 | } |
442 | |
443 | |
444 | /* |
445 | *---------------------------------------------------------------------- |
446 | * |
447 | * <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpConnect">HttpConnect</a> -- |
448 | * |
449 | * Open a connection to the given URL host and construct |
450 | * an Http structure to fetch the file. |
451 | * |
452 | * Results: |
453 | * 1 if successful, 0 otherwise. |
454 | * |
455 | * Side effects: |
456 | * Updates httpPtrPtr with newly allocated Http struct. |
457 | * |
458 | *---------------------------------------------------------------------- |
459 | */ |
460 | |
461 | int |
462 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpConnect">HttpConnect</a>(Tcl_Interp *interp, char *method, char *url, Ns_Set *hdrs, |
463 | Tcl_Obj *bodyPtr, Http **httpPtrPtr) |
464 | { |
465 | Http *httpPtr = NULL; |
466 | SOCKET sock; |
467 | char *body, *host, *file, *port; |
468 | int i, len; |
469 | |
470 | if (strncmp(url, "http://", 7) != 0 || url[7] == '\0') { |
471 | Tcl_AppendResult(interp, "invalid url: ", url, NULL); |
472 | return 0; |
473 | } |
474 | host = url + 7; |
475 | file = strchr(host, '/'); |
476 | if (file != NULL) { |
477 | *file = '\0'; |
478 | } |
479 | port = strchr(host, ':'); |
480 | if (port == NULL) { |
481 | i = 80; |
482 | } else { |
483 | *port = '\0'; |
484 | i = (int) strtol(port+1, NULL, 10); |
485 | } |
486 | sock = <a href="/cvs/aolserver/aolserver/nsd/sock.c#A_Ns_SockAsyncConnect">Ns_SockAsyncConnect</a>(host, i); |
487 | if (port != NULL) { |
488 | *port = ':'; |
489 | } |
490 | if (sock != INVALID_SOCKET) { |
491 | httpPtr = ns_malloc(sizeof(Http)); |
492 | httpPtr->sock = sock; |
493 | httpPtr->error = NULL; |
494 | Tcl_DStringInit(&httpPtr->ds); |
495 | if (file != NULL) { |
496 | *file = '/'; |
497 | } |
498 | <a href="/cvs/aolserver/aolserver/nsd/dstring.c#A_Ns_DStringAppend">Ns_DStringAppend</a>(&httpPtr->ds, method); |
499 | <a href="/cvs/aolserver/aolserver/nsd/str.c#A_Ns_StrToUpper">Ns_StrToUpper</a>(<a href="/cvs/aolserver/aolserver/nsd/dstring.c#A_Ns_DStringValue">Ns_DStringValue</a>(&httpPtr->ds)); |
500 | <a href="/cvs/aolserver/aolserver/nsd/dstring.c#A_Ns_DStringVarAppend">Ns_DStringVarAppend</a>(&httpPtr->ds, " ", file ? file : "/", |
501 | " HTTP/1.0\r\n", NULL); |
502 | if (file != NULL) { |
503 | *file = '\0'; |
504 | } |
505 | <a href="/cvs/aolserver/aolserver/nsd/dstring.c#A_Ns_DStringVarAppend">Ns_DStringVarAppend</a>(&httpPtr->ds, |
506 | "User-Agent: ", <a href="/cvs/aolserver/aolserver/nsd/info.c#A_Ns_InfoServerName">Ns_InfoServerName</a>(), "/", |
507 | <a href="/cvs/aolserver/aolserver/nsd/info.c#A_Ns_InfoServerVersion">Ns_InfoServerVersion</a>(), "\r\n" |
508 | "Connection: close\r\n" |
509 | "Host: ", host, "\r\n", NULL); |
510 | if (file != NULL) { |
511 | *file = '/'; |
512 | } |
513 | if (hdrs != NULL) { |
514 | for (i = 0; i < Ns_SetSize(hdrs); i++) { |
515 | <a href="/cvs/aolserver/aolserver/nsd/dstring.c#A_Ns_DStringVarAppend">Ns_DStringVarAppend</a>(&httpPtr->ds, |
516 | Ns_SetKey(hdrs, i), ": ", |
517 | Ns_SetValue(hdrs, i), "\r\n", NULL); |
518 | } |
519 | } |
520 | body = NULL; |
521 | if (bodyPtr != NULL) { |
522 | body = Tcl_GetByteArrayFromObj(bodyPtr, &len); |
523 | if (len == 0) { |
524 | body = NULL; |
525 | } |
526 | } |
527 | if (body != NULL) { |
528 | <a href="/cvs/aolserver/aolserver/nsd/dstring.c#A_Ns_DStringPrintf">Ns_DStringPrintf</a>(&httpPtr->ds, "Content-Length: %d\r\n", len); |
529 | } |
530 | Tcl_DStringAppend(&httpPtr->ds, "\r\n", 2); |
531 | if (body != NULL) { |
532 | Tcl_DStringAppend(&httpPtr->ds, body, len); |
533 | } |
534 | httpPtr->next = httpPtr->ds.string; |
535 | httpPtr->len = httpPtr->ds.length; |
536 | } |
537 | if (file != NULL) { |
538 | *file = '/'; |
539 | } |
540 | if (httpPtr == NULL) { |
541 | Tcl_AppendResult(interp, "connect to \"", url, "\" failed: ", |
542 | ns_sockstrerror(ns_sockerrno), NULL); |
543 | return 0; |
544 | } |
545 | *httpPtrPtr = httpPtr; |
546 | return 1; |
547 | } |
548 | |
549 | |
550 | /* |
551 | *---------------------------------------------------------------------- |
552 | * |
553 | * <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpResult">HttpResult</a> -- |
554 | * |
555 | * <a href="/cvs/aolserver/aolserver/nsd/adpparse.c#A_Parse">Parse</a> an Http response for the result body and headers. |
556 | * |
557 | * Results: |
558 | * Pointer to body within Http buffer. |
559 | * |
560 | * Side effects: |
561 | * Will append parsed response headers to given hdrs if |
562 | * not NULL and set HTTP status code in given statusPtr. |
563 | * |
564 | *---------------------------------------------------------------------- |
565 | */ |
566 | |
567 | static char * |
568 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpResult">HttpResult</a>(Tcl_DString ds, int *statusPtr, Ns_Set *hdrs, Tcl_Obj **objPtrPtr) |
569 | { |
570 | int firsthdr, major, minor, len; |
571 | char *eoh, *body, *p, *response, save; |
572 | |
573 | response = ds.string; |
574 | body = response; |
575 | eoh = strstr(response, "\r\n\r\n"); |
576 | if (eoh != NULL) { |
577 | body = eoh + 4; |
578 | eoh += 2; |
579 | } else { |
580 | eoh = strstr(response, "\n\n"); |
581 | if (eoh != NULL) { |
582 | body = eoh + 2; |
583 | eoh += 1; |
584 | } |
585 | } |
586 | |
587 | *objPtrPtr = Tcl_NewByteArrayObj(body, ds.length-(body-response)); |
588 | |
589 | if (eoh == NULL) { |
590 | *statusPtr = 0; |
591 | } else { |
592 | *eoh = '\0'; |
593 | sscanf(response, "HTTP/%d.%d %d", &major, &minor, statusPtr); |
594 | if (hdrs != NULL) { |
595 | save = *body; |
596 | *body = '\0'; |
597 | firsthdr = 1; |
598 | p = response; |
599 | while ((eoh = strchr(p, '\n')) != NULL) { |
600 | *eoh++ = '\0'; |
601 | len = strlen(p); |
602 | if (len > 0 && p[len-1] == '\r') { |
603 | p[len-1] = '\0'; |
604 | } |
605 | if (firsthdr) { |
606 | if (hdrs->name != NULL) { |
607 | ns_free(hdrs->name); |
608 | } |
609 | hdrs->name = ns_strdup(p); |
610 | firsthdr = 0; |
611 | } else if (<a href="/cvs/aolserver/aolserver/nsd/request.c#A_Ns_ParseHeader">Ns_ParseHeader</a>(hdrs, p, ToLower) != NS_OK) { |
612 | break; |
613 | } |
614 | p = eoh; |
615 | } |
616 | *body = save; |
617 | } |
618 | } |
619 | return body; |
620 | } |
621 | |
622 | |
623 | |
624 | static void |
625 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpClose">HttpClose</a>(Http *httpPtr) |
626 | { |
627 | <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskFree">Ns_TaskFree</a>(httpPtr->task); |
628 | Tcl_DStringFree(&httpPtr->ds); |
629 | ns_sockclose(httpPtr->sock); |
630 | ns_free(httpPtr); |
631 | } |
632 | |
633 | |
634 | static void |
635 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpCancel">HttpCancel</a>(Http *httpPtr) |
636 | { |
637 | <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskCancel">Ns_TaskCancel</a>(httpPtr->task); |
638 | <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskWait">Ns_TaskWait</a>(httpPtr->task, NULL); |
639 | } |
640 | |
641 | |
642 | static void |
643 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpAbort">HttpAbort</a>(Http *httpPtr) |
644 | { |
645 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpCancel">HttpCancel</a>(httpPtr); |
646 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpClose">HttpClose</a>(httpPtr); |
647 | } |
648 | |
649 | |
650 | /* |
651 | *---------------------------------------------------------------------- |
652 | * |
653 | * <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpProc">HttpProc</a> -- |
654 | * |
655 | * Task callback for ns_http connections. |
656 | * |
657 | * Results: |
658 | * None. |
659 | * |
660 | * Side effects: |
661 | * Will call <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskCallback">Ns_TaskCallback</a> and <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskDone">Ns_TaskDone</a> to manage state |
662 | * of task. |
663 | * |
664 | *---------------------------------------------------------------------- |
665 | */ |
666 | |
667 | static void |
668 | <a href="/cvs/aolserver/aolserver/nsd/tclhttp.c#A_HttpProc">HttpProc</a>(Ns_Task *task, SOCKET sock, void *arg, int why) |
669 | { |
670 | Http *httpPtr = arg; |
671 | char buf[1024]; |
672 | int n; |
673 | |
674 | switch (why) { |
675 | case NS_SOCK_INIT: |
676 | <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskCallback">Ns_TaskCallback</a>(task, NS_SOCK_WRITE, &httpPtr->timeout); |
677 | return; |
678 | break; |
679 | |
680 | case NS_SOCK_WRITE: |
681 | n = send(sock, httpPtr->next, httpPtr->len, 0); |
682 | if (n < 0) { |
683 | httpPtr->error = "send failed"; |
684 | } else { |
685 | httpPtr->next += n; |
686 | httpPtr->len -= n; |
687 | if (httpPtr->len == 0) { |
688 | shutdown(sock, 1); |
689 | Tcl_DStringTrunc(&httpPtr->ds, 0); |
690 | <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskCallback">Ns_TaskCallback</a>(task, NS_SOCK_READ, &httpPtr->timeout); |
691 | } |
692 | return; |
693 | } |
694 | break; |
695 | |
696 | case NS_SOCK_READ: |
697 | n = recv(sock, buf, sizeof(buf), 0); |
698 | if (n > 0) { |
699 | Tcl_DStringAppend(&httpPtr->ds, buf, n); |
700 | return; |
701 | } |
702 | if (n < 0) { |
703 | httpPtr->error = "recv failed"; |
704 | } |
705 | break; |
706 | |
707 | case NS_SOCK_TIMEOUT: |
708 | httpPtr->error = "timeout"; |
709 | break; |
710 | |
711 | case NS_SOCK_EXIT: |
712 | httpPtr->error = "shutdown"; |
713 | break; |
714 | |
715 | case NS_SOCK_CANCEL: |
716 | httpPtr->error = "cancelled"; |
717 | break; |
718 | } |
719 | |
720 | /* |
721 | * Get completion time and mark task as done. |
722 | */ |
723 | |
724 | Ns_GetTime(&httpPtr->etime); |
725 | <a href="/cvs/aolserver/aolserver/nsd/task.c#A_Ns_TaskDone">Ns_TaskDone</a>(httpPtr->task); |
726 | } |
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