Annotation of libwww/Library/src/HTTP.c, revision 1.150
1.74 frystyk 1: /* HTTP.c
2: ** MULTITHREADED IMPLEMENTATION OF HTTP CLIENT
1.2 timbl 3: **
1.84 frystyk 4: ** (c) COPYRIGHT MIT 1995.
1.74 frystyk 5: ** Please first read the full copyright statement in the file COPYRIGH.
1.150 ! frystyk 6: ** @(#) $Id: HTTP.c,v 1.149 1997/02/16 17:49:29 frystyk Exp $
1.74 frystyk 7: **
8: ** This module implments the HTTP protocol as a state machine
1.55 frystyk 9: **
10: ** History:
1.59 frystyk 11: ** < May 24 94 ?? Unknown - but obviously written
1.56 frystyk 12: ** May 24 94 HF Made reentrent and cleaned up a bit. Implemented
13: ** Forward, redirection, error handling and referer field
1.67 duns 14: ** 8 Jul 94 FM Insulate free() from _free structure element.
1.71 frystyk 15: ** Jul 94 HFN Written on top of HTTP.c, Henrik Frystyk
1.55 frystyk 16: **
1.1 timbl 17: */
18:
1.78 frystyk 19: /* Library include files */
1.119 frystyk 20: #include "sysdep.h"
1.123 frystyk 21: #include "WWWUtil.h"
22: #include "WWWCore.h"
23: #include "WWWMIME.h"
24: #include "WWWStream.h"
1.125 frystyk 25: #include "WWWTrans.h"
1.94 frystyk 26: #include "HTReqMan.h"
1.109 frystyk 27: #include "HTTPUtil.h"
1.80 frystyk 28: #include "HTTPReq.h"
1.55 frystyk 29: #include "HTTP.h" /* Implements */
30:
31: /* Macros and other defines */
1.94 frystyk 32: #ifndef HTTP_PORT
33: #define HTTP_PORT 80 /* Allocated to http by Jon Postel/ISI 24-Jan-92 */
34: #endif
35:
1.71 frystyk 36: #define PUTC(c) (*me->target->isa->put_character)(me->target, c)
37: #define PUTS(s) (*me->target->isa->put_string)(me->target, s)
38: #define PUTBLOCK(b, l) (*me->target->isa->put_block)(me->target, b, l)
39: #define FREE_TARGET (*me->target->isa->_free)(me->target)
1.74 frystyk 40: #define ABORT_TARGET (*me->target->isa->abort)(me->target, e)
1.2 timbl 41:
1.140 frystyk 42: #define HTTP_DUMP
43: #ifdef HTTP_DUMP
1.147 frystyk 44: #define HTTP_OUTPUT "w3chttp.out"
1.140 frystyk 45: #endif
1.139 frystyk 46:
1.59 frystyk 47: /* Type definitions and global variables etc. local to this module */
1.94 frystyk 48:
49: /* Final states have negative value */
1.59 frystyk 50: typedef enum _HTTPState {
1.141 frystyk 51: HTTP_RECOVER_PIPE = -3,
1.134 frystyk 52: HTTP_ERROR = -2,
53: HTTP_OK = -1,
1.71 frystyk 54: HTTP_BEGIN = 0,
1.144 frystyk 55: HTTP_NEED_STREAM,
1.141 frystyk 56: HTTP_CONNECTED
1.59 frystyk 57: } HTTPState;
1.55 frystyk 58:
1.94 frystyk 59: /* This is the context structure for the this module */
1.55 frystyk 60: typedef struct _http_info {
1.81 frystyk 61: HTTPState state; /* Current State of the connection */
62: HTTPState next; /* Next state */
1.134 frystyk 63: int result; /* Result to report to the after filter */
1.139 frystyk 64: BOOL lock; /* Block for writing */
1.141 frystyk 65: HTNet * net;
1.55 frystyk 66: } http_info;
67:
1.88 frystyk 68: #define MAX_STATUS_LEN 100 /* Max nb of chars to check StatusLine */
1.55 frystyk 69:
1.71 frystyk 70: struct _HTStream {
1.119 frystyk 71: const HTStreamClass * isa;
1.71 frystyk 72: HTStream * target;
73: HTRequest * request;
74: http_info * http;
1.121 frystyk 75: HTEOLState state;
1.71 frystyk 76: BOOL transparent;
1.150 ! frystyk 77: BOOL cont;
1.81 frystyk 78: char * version; /* Should we save this? */
1.71 frystyk 79: int status;
1.81 frystyk 80: char * reason;
1.71 frystyk 81: char buffer[MAX_STATUS_LEN+1];
1.80 frystyk 82: int buflen;
1.146 frystyk 83: int startLen;/* buflen when put_block was called */
1.71 frystyk 84: };
1.21 luotonen 85:
1.123 frystyk 86: struct _HTInputStream {
87: const HTInputStreamClass * isa;
88: };
89:
1.147 frystyk 90: #ifdef HT_NO_PIPELINING
91: PRIVATE HTTPConnectionMode ConnectionMode = HTTP_NO_PIPELINING;
92: #else
93: PRIVATE HTTPConnectionMode ConnectionMode = 0;
94: #endif
95:
1.71 frystyk 96: /* ------------------------------------------------------------------------- */
97: /* Help Functions */
98: /* ------------------------------------------------------------------------- */
1.21 luotonen 99:
1.94 frystyk 100: /* HTTPCleanup
101: ** -----------
1.55 frystyk 102: ** This function closes the connection and frees memory.
1.94 frystyk 103: ** Returns YES on OK, else NO
1.1 timbl 104: */
1.94 frystyk 105: PRIVATE int HTTPCleanup (HTRequest *req, int status)
1.1 timbl 106: {
1.126 frystyk 107: HTNet * net = HTRequest_net(req);
108: http_info * http = (http_info *) HTNet_context(net);
109: HTStream * input = HTRequest_inputStream(req);
1.80 frystyk 110:
1.144 frystyk 111: if (PROT_TRACE)
112: HTTrace("HTTP Clean.. Called with status %d, net %p\n", status, net);
113:
1.94 frystyk 114: /* Free stream with data TO network */
1.112 frystyk 115: if (HTRequest_isDestination(req))
116: HTRequest_removeDestination(req);
1.126 frystyk 117: else if (input) {
1.145 frystyk 118: if (status == HT_INTERRUPTED || status == HT_RECOVER_PIPE)
1.126 frystyk 119: (*input->isa->abort)(input, NULL);
1.94 frystyk 120: else
1.126 frystyk 121: (*input->isa->_free)(input);
122: HTRequest_setInputStream(req, NULL);
1.94 frystyk 123: }
1.88 frystyk 124:
1.144 frystyk 125: /*
126: ** Remove the request object and our own context structure for http.
127: */
128: if (status != HT_RECOVER_PIPE) {
129: HTNet_delete(net, status);
1.141 frystyk 130: HT_FREE(http);
131: }
1.94 frystyk 132: return YES;
1.55 frystyk 133: }
134:
1.71 frystyk 135: /*
1.130 frystyk 136: ** Informational 1xx codes are handled separately
1.136 frystyk 137: ** Returns YES if we should continue, NO if we should stop
1.55 frystyk 138: */
1.130 frystyk 139: PRIVATE BOOL HTTPInformation (HTStream * me)
1.55 frystyk 140: {
1.136 frystyk 141: http_info * http = me->http;
1.71 frystyk 142: switch (me->status) {
143:
1.136 frystyk 144: case 100:
145: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_CONTINUE,
146: me->reason, (int) strlen(me->reason),
147: "HTTPInformation");
148: return YES;
149: break;
150:
1.130 frystyk 151: case 101:
1.136 frystyk 152: /*
153: ** We consider 101 Switching as a final state and exit this request
154: */
1.130 frystyk 155: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_SWITCHING,
1.127 frystyk 156: me->reason, (int) strlen(me->reason),
1.130 frystyk 157: "HTTPInformation");
1.136 frystyk 158: http->next = HTTP_OK;
159: http->result = HT_UPGRADE;
1.127 frystyk 160: break;
161:
1.130 frystyk 162: default:
1.136 frystyk 163: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REPLY,
164: (void *) me->buffer, me->buflen, "HTTPNextState");
165: http->next = HTTP_ERROR;
166: http->result = HT_ERROR;
1.127 frystyk 167: break;
1.130 frystyk 168: }
1.136 frystyk 169: return NO;
1.130 frystyk 170: }
171:
172: /*
173: ** This is a big switch handling all HTTP return codes. It puts in any
174: ** appropiate error message and decides whether we should expect data
175: ** or not.
176: */
177: PRIVATE void HTTPNextState (HTStream * me)
178: {
1.134 frystyk 179: http_info * http = me->http;
1.130 frystyk 180: switch (me->status) {
1.127 frystyk 181:
1.78 frystyk 182: case 0: /* 0.9 response */
1.127 frystyk 183: case 200: /* OK */
184: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_OK,
185: me->reason, (int) strlen(me->reason),
186: "HTTPNextState");
1.134 frystyk 187: http->next = HTTP_OK;
188: http->result = HT_LOADED;
1.112 frystyk 189: break;
190:
1.127 frystyk 191: case 201: /* Created */
1.112 frystyk 192: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_CREATED,
193: me->reason, (int) strlen(me->reason),
194: "HTTPNextState");
1.134 frystyk 195: http->next = HTTP_OK;
196: http->result = HT_CREATED;
1.112 frystyk 197: break;
198:
1.127 frystyk 199: case 202: /* Accepted */
1.112 frystyk 200: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_ACCEPTED,
201: me->reason, (int) strlen(me->reason),
202: "HTTPNextState");
1.134 frystyk 203: http->next = HTTP_OK;
204: http->result = HT_ACCEPTED;
1.112 frystyk 205: break;
206:
1.127 frystyk 207: case 203: /* Non-authoritative information */
208: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NON_AUTHORITATIVE,
1.112 frystyk 209: me->reason, (int) strlen(me->reason),
210: "HTTPNextState");
1.134 frystyk 211: http->next = HTTP_OK;
212: http->result = HT_LOADED;
1.71 frystyk 213: break;
1.78 frystyk 214:
215: case 204: /* No Response */
1.112 frystyk 216: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NO_CONTENT,
217: me->reason, (int) strlen(me->reason),
218: "HTTPNextState");
1.134 frystyk 219: http->next = HTTP_OK;
220: http->result = HT_NO_DATA;
221: break;
222:
223: case 205: /* Reset Content */
224: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_RESET,
225: me->reason, (int) strlen(me->reason),
226: "HTTPNextState");
227: http->next = HTTP_OK;
228: http->result = HT_RESET_CONTENT;
229: break;
230:
231: case 206: /* Partial Content */
232: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_PARTIAL,
233: me->reason, (int) strlen(me->reason),
234: "HTTPNextState");
235: http->next = HTTP_OK;
236: http->result = HT_PARTIAL_CONTENT;
237: break;
238:
239: case 300: /* Multiple Choices */
240: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_MULTIPLE,
241: me->reason, (int) strlen(me->reason),
242: "HTTPNextState");
243: http->next = HTTP_OK;
244: http->result = HT_LOADED;
1.71 frystyk 245: break;
1.78 frystyk 246:
1.71 frystyk 247: case 301: /* Moved */
1.112 frystyk 248: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_MOVED,
249: me->reason, (int) strlen(me->reason),
250: "HTTPNextState");
1.134 frystyk 251: http->next = HTTP_ERROR;
252: http->result = HT_PERM_REDIRECT;
1.112 frystyk 253: break;
254:
1.71 frystyk 255: case 302: /* Found */
1.112 frystyk 256: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_FOUND,
257: me->reason, (int) strlen(me->reason),
258: "HTTPNextState");
1.134 frystyk 259: http->next = HTTP_ERROR;
260: http->result = HT_TEMP_REDIRECT;
1.71 frystyk 261: break;
1.55 frystyk 262:
1.71 frystyk 263: case 303: /* Method */
1.107 frystyk 264: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_IMPLEMENTED,
265: me->reason, (int) strlen(me->reason),
266: "HTTPNextState");
1.134 frystyk 267: http->next = HTTP_ERROR;
268: http->result = HT_SEE_OTHER;
1.71 frystyk 269: break;
1.91 frystyk 270:
271: case 304: /* Not Modified */
1.131 frystyk 272: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NOT_MODIFIED,
1.112 frystyk 273: me->reason, (int) strlen(me->reason),
274: "HTTPNextState");
1.135 frystyk 275: http->next = HTTP_OK;
1.134 frystyk 276: http->result = HT_NOT_MODIFIED;
277: break;
278:
279: case 305: /* Use proxy */
280: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_USE_PROXY,
281: me->reason, (int) strlen(me->reason),
282: "HTTPNextState");
283: http->next = HTTP_ERROR;
284: http->result = HT_USE_PROXY;
1.91 frystyk 285: break;
1.55 frystyk 286:
1.78 frystyk 287: case 400: /* Bad Request */
1.104 frystyk 288: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REQUEST,
1.100 frystyk 289: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 290: http->next = HTTP_ERROR;
291: http->result = HT_ERROR;
1.71 frystyk 292: break;
1.70 howcome 293:
1.71 frystyk 294: case 401:
1.104 frystyk 295: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_UNAUTHORIZED,
1.100 frystyk 296: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 297: http->next = HTTP_ERROR;
298: http->result = HT_NO_ACCESS;
1.71 frystyk 299: break;
300:
301: case 402: /* Payment required */
1.104 frystyk 302: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_PAYMENT_REQUIRED,
1.100 frystyk 303: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 304: http->next = HTTP_ERROR;
305: http->result = HT_ERROR;
1.71 frystyk 306: break;
1.55 frystyk 307:
1.71 frystyk 308: case 403: /* Forbidden */
1.104 frystyk 309: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_FORBIDDEN,
1.100 frystyk 310: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 311: http->next = HTTP_ERROR;
312: http->result = HT_FORBIDDEN;
1.71 frystyk 313: break;
1.55 frystyk 314:
1.71 frystyk 315: case 404: /* Not Found */
1.104 frystyk 316: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_FOUND,
1.100 frystyk 317: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 318: http->next = HTTP_ERROR;
319: http->result = HT_ERROR;
1.71 frystyk 320: break;
321:
1.78 frystyk 322: case 405: /* Not Allowed */
1.104 frystyk 323: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_ALLOWED,
1.100 frystyk 324: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 325: http->next = HTTP_ERROR;
326: http->result = HT_ERROR;
1.78 frystyk 327: break;
328:
329: case 406: /* None Acceptable */
1.104 frystyk 330: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NONE_ACCEPTABLE,
1.100 frystyk 331: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 332: http->next = HTTP_ERROR;
333: http->result = HT_NOT_ACCEPTABLE;
1.78 frystyk 334: break;
335:
336: case 407: /* Proxy Authentication Required */
1.127 frystyk 337: HTRequest_addError(me->request, ERR_FATAL, NO,HTERR_PROXY_UNAUTHORIZED,
1.100 frystyk 338: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 339: http->next = HTTP_ERROR;
340: http->result = HT_NO_PROXY_ACCESS;
1.78 frystyk 341: break;
342:
343: case 408: /* Request Timeout */
1.104 frystyk 344: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_TIMEOUT,
1.100 frystyk 345: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 346: http->next = HTTP_ERROR;
347: http->result = HT_ERROR;
348: break;
349:
350: case 409: /* Conflict */
351: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_CONFLICT,
352: me->reason, (int) strlen(me->reason), "HTTPNextState");
353: http->next = HTTP_ERROR;
354: http->result = HT_CONFLICT;
355: break;
356:
357: case 410: /* Gone */
358: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_GONE,
359: me->reason, (int) strlen(me->reason), "HTTPNextState");
360: http->next = HTTP_ERROR;
361: http->result = HT_ERROR;
362: break;
363:
364: case 411: /* Length Required */
365: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_LENGTH_REQUIRED,
366: me->reason, (int) strlen(me->reason), "HTTPNextState");
367: http->next = HTTP_ERROR;
368: http->result = HT_LENGTH_REQUIRED;
369: break;
370:
371: case 412: /* Precondition failed */
372: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_PRECON_FAILED,
373: me->reason, (int) strlen(me->reason), "HTTPNextState");
374: http->next = HTTP_ERROR;
375: http->result = HT_ERROR;
376: break;
377:
378: case 413: /* Request entity too large */
379: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_TOO_BIG,
380: me->reason, (int) strlen(me->reason), "HTTPNextState");
381: http->next = HTTP_ERROR;
382: http->result = HT_ERROR;
383: break;
384:
385: case 414: /* Request-URI too long */
386: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_URI_TOO_BIG,
387: me->reason, (int) strlen(me->reason), "HTTPNextState");
388: http->next = HTTP_ERROR;
389: http->result = HT_ERROR;
390: break;
391:
392: case 415: /* Unsupported */
393: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_UNSUPPORTED,
394: me->reason, (int) strlen(me->reason), "HTTPNextState");
395: http->next = HTTP_ERROR;
396: http->result = HT_ERROR;
1.78 frystyk 397: break;
398:
1.71 frystyk 399: case 500:
1.104 frystyk 400: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_INTERNAL,
1.100 frystyk 401: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 402: http->next = HTTP_ERROR;
403: http->result = HT_ERROR;
1.78 frystyk 404: break;
405:
1.71 frystyk 406: case 501:
1.104 frystyk 407: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_IMPLEMENTED,
1.100 frystyk 408: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 409: http->next = HTTP_ERROR;
410: http->result = HT_ERROR;
1.78 frystyk 411: break;
412:
413: case 502:
1.104 frystyk 414: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_GATE,
1.100 frystyk 415: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 416: http->next = HTTP_ERROR;
417: http->result = HT_ERROR;
1.78 frystyk 418: break;
419:
420: case 503:
1.104 frystyk 421: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_DOWN,
1.100 frystyk 422: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 423: http->next = HTTP_ERROR;
1.81 frystyk 424:
1.140 frystyk 425: /*
426: ** If Retry-After header is found then return HT_RETRY else HT_ERROR.
427: ** The caller may want to reissue the request at a later point in time.
428: */
429: {
430: HTResponse * response = HTRequest_response(me->request);
431: if (HTResponse_retryTime(response))
432: http->result = HT_RETRY;
433: else
434: http->result = HT_ERROR;
435: }
1.78 frystyk 436: break;
437:
438: case 504:
1.104 frystyk 439: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_GATE_TIMEOUT,
1.100 frystyk 440: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 441: http->next = HTTP_ERROR;
442: http->result = HT_ERROR;
443: break;
444:
445: case 505: /* Unsupported protocol version */
446: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_VERSION,
447: me->reason, (int) strlen(me->reason), "HTTPNextState");
448: http->next = HTTP_ERROR;
449: http->result = HT_BAD_VERSION;
1.71 frystyk 450: break;
1.78 frystyk 451:
1.71 frystyk 452: default: /* bad number */
1.104 frystyk 453: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REPLY,
1.100 frystyk 454: (void *) me->buffer, me->buflen, "HTTPNextState");
1.134 frystyk 455: http->next = HTTP_ERROR;
456: http->result = HT_ERROR;
1.71 frystyk 457: break;
1.55 frystyk 458: }
459: }
460:
1.71 frystyk 461: /* ------------------------------------------------------------------------- */
462: /* HTTP Status Line Stream */
463: /* ------------------------------------------------------------------------- */
1.55 frystyk 464:
1.71 frystyk 465: /*
1.141 frystyk 466: ** Analyze the stream we have read. If it is a HTTP 1.0 or higher
1.71 frystyk 467: ** then create a MIME-stream, else create a Guess stream to find out
468: ** what the 0.9 server is sending. We need to copy the buffer as we don't
469: ** know if we can modify the contents or not.
1.78 frystyk 470: **
471: ** Stream handling is a function of the status code returned from the
472: ** server:
473: ** 200: Use `output_stream' in HTRequest structure
1.94 frystyk 474: ** else: Use `debug_stream' in HTRequest structure
1.80 frystyk 475: **
476: ** Return: YES if buffer should be written out. NO otherwise
1.56 frystyk 477: */
1.100 frystyk 478: PRIVATE int stream_pipe (HTStream * me)
1.56 frystyk 479: {
1.136 frystyk 480: HTRequest * request = me->request;
481: HTNet * net = HTRequest_net(request);
1.123 frystyk 482: HTHost * host = HTNet_host(net);
1.141 frystyk 483:
1.80 frystyk 484: if (me->target) {
485: int status = PUTBLOCK(me->buffer, me->buflen);
486: if (status == HT_OK)
487: me->transparent = YES;
488: return status;
1.136 frystyk 489: } else if (HTRequest_isSource(request)&&!HTRequest_outputStream(request)) {
1.88 frystyk 490: /*
491: ** We need to wait for the destinations to get ready
492: */
493: return HT_WOULD_BLOCK;
1.80 frystyk 494: }
1.88 frystyk 495:
1.132 frystyk 496: /*
497: ** Just check for HTTP and not HTTP/ as NCSA server chokes on 1.1 replies
498: ** Thanks to Markku Savela <msa@msa.tte.vtt.fi>
1.141 frystyk 499:
1.132 frystyk 500: */
501: #if 0
1.81 frystyk 502: if (strncasecomp(me->buffer, "http/", 5)) {
1.132 frystyk 503: #else
504: if (strncasecomp(me->buffer, "http", 4)) {
505: #endif
1.80 frystyk 506: int status;
1.136 frystyk 507: HTRequest_addError(request, ERR_INFO, NO, HTERR_HTTP09,
1.80 frystyk 508: (void *) me->buffer, me->buflen, "HTTPStatusStream");
1.136 frystyk 509: me->target = HTStreamStack(WWW_UNKNOWN,
510: HTRequest_outputFormat(request),
511: HTRequest_outputStream(request),
512: request, NO);
1.134 frystyk 513: me->http->next = HTTP_OK;
1.80 frystyk 514: if ((status = PUTBLOCK(me->buffer, me->buflen)) == HT_OK)
515: me->transparent = YES;
1.123 frystyk 516: HTHost_setVersion(host, HTTP_09);
1.80 frystyk 517: return status;
518: } else {
1.140 frystyk 519: HTResponse * response = HTRequest_response(request);
1.133 frystyk 520: char *ptr = me->buffer+4; /* Skip the HTTP part */
1.81 frystyk 521: me->version = HTNextField(&ptr);
1.149 frystyk 522: HTHost_setConsumed(HTNet_host(net), me->buflen - me->startLen);
1.95 frystyk 523:
1.130 frystyk 524: /* Here we want to find out when to use persistent connection */
1.133 frystyk 525: if (!strncasecomp(me->version, "/1.0", 4)) {
1.128 frystyk 526: if (PROT_TRACE)HTTrace("HTTP Status. This is a HTTP/1.0 server\n");
527: HTHost_setVersion(host, HTTP_10);
1.133 frystyk 528: } else if (!strncasecomp(me->version, "/1.", 3)) { /* 1.x family */
1.128 frystyk 529: HTHost_setVersion(host, HTTP_11);
1.141 frystyk 530: #ifdef HT_MUX
531: HTNet_setPersistent(net, YES, HT_TP_INTERLEAVE);
532: #else
1.147 frystyk 533: if (ConnectionMode & HTTP_NO_PIPELINING) {
534: if (PROT_TRACE) HTTrace("HTTP........ Mode is HTTP/1.1 WITH NO PIPELINING\n");
535: HTNet_setPersistent(net, YES, HT_TP_SINGLE);
536: } else if (ConnectionMode & HTTP_FORCE_10) {
537: if (PROT_TRACE) HTTrace("HTTP........ Mode is FORCE HTTP/1.0\n");
538: HTHost_setVersion(host, HTTP_10);
539: HTNet_setPersistent(net, NO, HT_TP_SINGLE);
540: } else
541: HTNet_setPersistent(net, YES, HT_TP_PIPELINE);
1.145 frystyk 542: #endif /* HT_MUX */
1.133 frystyk 543: } else {
544: if (PROT_TRACE)HTTrace("HTTP Status. No 1.x version number - treat it as a HTTP/1.0 server\n");
545: HTHost_setVersion(host, HTTP_10);
1.128 frystyk 546: }
1.95 frystyk 547:
1.81 frystyk 548: me->status = atoi(HTNextField(&ptr));
1.133 frystyk 549: /* Kludge to fix the NCSA server version bug */
550: if (me->status == 0) me->status = atoi(me->version);
551:
1.81 frystyk 552: me->reason = ptr;
553: if ((ptr = strchr(me->reason, '\r')) != NULL) /* Strip \r and \n */
554: *ptr = '\0';
555: else if ((ptr = strchr(me->reason, '\n')) != NULL)
556: *ptr = '\0';
557:
1.130 frystyk 558: /*
559: ** If it is a 1xx code then find out what to do and return until we
560: ** get the next code. In the case of Upgrade we may not get back here
561: ** at all. If we are uploading an entity then continue doing that
562: */
563: if (me->status/100 == 1) {
1.136 frystyk 564: if (HTTPInformation(me) == YES) {
565: me->buflen = 0;
566: me->state = EOL_BEGIN;
1.150 ! frystyk 567: me->target = HTStreamStack(WWW_MIME_CONT,
! 568: HTRequest_debugFormat(request),
! 569: HTRequest_debugStream(request),
! 570: request, NO);
1.136 frystyk 571: return HTMethod_hasEntity(HTRequest_method(request)) ?
572: HT_CONTINUE : HT_OK;
1.103 frystyk 573: }
1.56 frystyk 574: }
1.133 frystyk 575:
576: /*
577: ** As we are getting fresh metainformation in the HTTP response,
578: ** we clear the old metainfomation in order not to mix it with the new
579: ** one. This is particularly important for the content-length and the
1.139 frystyk 580: ** like. The TRACE and OPTIONS method just adds to the current
581: ** metainformation so in that case we don't clear the anchor.
1.133 frystyk 582: */
1.136 frystyk 583: if (me->status==200 || me->status==203 || me->status==300) {
1.140 frystyk 584: /*
585: ** 200, 203 and 300 are all fully cacheable responses. No byte
586: ** ranges or anything else make life hard in this case.
587: */
1.148 frystyk 588: HTAnchor_clearHeader(HTRequest_anchor(request));
1.140 frystyk 589: HTResponse_setCachable(response, YES);
1.136 frystyk 590: me->target = HTStreamStack(WWW_MIME,
591: HTRequest_outputFormat(request),
592: HTRequest_outputStream(request),
593: request, NO);
1.140 frystyk 594: } else if (me->status==206) {
595: /*
596: ** We got a partial response and now we must check whether
597: ** we issued a cache If-Range request or it was a new
598: ** partial response which we don't have in cache. In the latter
599: ** case, we don't cache the object and in the former we append
600: ** the result to the already existing cache entry.
601: */
602: HTReload reload = HTRequest_reloadMode(request);
603: if (reload == HT_CACHE_RANGE_VALIDATE) {
604: HTResponse_setCachable(response, YES);
605: me->target = HTStreamStack(WWW_MIME_PART,
606: HTRequest_outputFormat(request),
607: HTRequest_outputStream(request),
608: request, NO);
609: } else {
1.149 frystyk 610: HTAnchor_clearHeader(HTRequest_anchor(request));
1.140 frystyk 611: me->target = HTStreamStack(WWW_MIME,
612: HTRequest_outputFormat(request),
613: HTRequest_outputStream(request),
614: request, NO);
615: }
1.139 frystyk 616: } else if (me->status==204 || me->status==304) {
1.140 frystyk 617: HTResponse_setCachable(response, YES);
1.136 frystyk 618: me->target = HTStreamStack(WWW_MIME_HEAD,
619: HTRequest_debugFormat(request),
620: HTRequest_debugStream(request),
621: request, NO);
622: } else if (HTRequest_debugStream(request)) {
623: me->target = HTStreamStack(WWW_MIME,
624: HTRequest_debugFormat(request),
625: HTRequest_debugStream(request),
626: request, NO);
627: } else {
1.140 frystyk 628: /*
629: ** We still need to parse the MIME part in order to find any
630: ** valuable meta information which is needed from the response.
631: */
1.136 frystyk 632: me->target = HTStreamStack(WWW_MIME,
633: HTRequest_debugFormat(request),
634: HTRequest_debugStream(request),
635: request, NO);
1.133 frystyk 636: }
1.56 frystyk 637: }
1.113 frystyk 638: if (!me->target) me->target = HTErrorStream();
1.81 frystyk 639: HTTPNextState(me); /* Get next state */
1.80 frystyk 640: me->transparent = YES;
641: return HT_OK;
1.71 frystyk 642: }
1.56 frystyk 643:
1.80 frystyk 644: /*
645: ** Searches for HTTP header line until buffer fills up or a CRLF or LF
646: ** is found
647: */
1.119 frystyk 648: PRIVATE int HTTPStatus_put_block (HTStream * me, const char * b, int l)
1.71 frystyk 649: {
1.150 ! frystyk 650: int status = HT_OK;
1.146 frystyk 651: me->startLen = me->buflen;
1.80 frystyk 652: while (!me->transparent && l-- > 0) {
653: if (me->target) {
1.150 ! frystyk 654: if (me->cont) {
! 655: FREE_TARGET;
! 656: me->target = NULL;
! 657: l++;
! 658: } else {
! 659: if ((status = stream_pipe(me)) == HT_CONTINUE) {
! 660: b++; break;
! 661: }
! 662: if (status != HT_OK) return status;
! 663: }
1.80 frystyk 664: } else {
665: *(me->buffer+me->buflen++) = *b;
666: if (me->state == EOL_FCR) {
667: if (*b == LF) { /* Line found */
1.150 ! frystyk 668: if ((status = stream_pipe(me)) == HT_CONTINUE) {
! 669: me->cont = YES;
! 670: b++; break;
! 671: }
! 672: if (status != HT_OK) return status;
1.80 frystyk 673: } else {
674: me->state = EOL_BEGIN;
675: }
676: } else if (*b == CR) {
677: me->state = EOL_FCR;
678: } else if (*b == LF) {
1.150 ! frystyk 679: if ((status = stream_pipe(me)) == HT_CONTINUE) {
! 680: me->cont = YES;
! 681: b++; break;
! 682: }
! 683: if (status != HT_OK) return status;
1.71 frystyk 684: } else {
1.80 frystyk 685: if (me->buflen >= MAX_STATUS_LEN) {
1.150 ! frystyk 686: if ((status = stream_pipe(me)) == HT_CONTINUE) {
! 687: me->cont = YES;
! 688: b++; break;
! 689: }
! 690: if (status != HT_OK) return status;
1.80 frystyk 691: }
1.71 frystyk 692: }
1.80 frystyk 693: b++;
1.71 frystyk 694: }
1.56 frystyk 695: }
1.99 frystyk 696: if (l > 0) return PUTBLOCK(b, l);
1.150 ! frystyk 697: return status;
1.56 frystyk 698: }
699:
1.119 frystyk 700: PRIVATE int HTTPStatus_put_string (HTStream * me, const char * s)
1.71 frystyk 701: {
1.80 frystyk 702: return HTTPStatus_put_block(me, s, (int) strlen(s));
1.71 frystyk 703: }
1.56 frystyk 704:
1.100 frystyk 705: PRIVATE int HTTPStatus_put_character (HTStream * me, char c)
1.71 frystyk 706: {
1.80 frystyk 707: return HTTPStatus_put_block(me, &c, 1);
708: }
709:
1.100 frystyk 710: PRIVATE int HTTPStatus_flush (HTStream * me)
1.80 frystyk 711: {
712: return (*me->target->isa->flush)(me->target);
1.71 frystyk 713: }
714:
1.100 frystyk 715: PRIVATE int HTTPStatus_free (HTStream * me)
1.71 frystyk 716: {
1.87 frystyk 717: int status = HT_OK;
718: if (me->target) {
719: if ((status = (*me->target->isa->_free)(me->target))==HT_WOULD_BLOCK)
720: return HT_WOULD_BLOCK;
721: }
1.115 frystyk 722: HT_FREE(me);
1.100 frystyk 723: return status;
1.71 frystyk 724: }
725:
1.104 frystyk 726: PRIVATE int HTTPStatus_abort (HTStream * me, HTList * e)
1.71 frystyk 727: {
728: if (me->target)
1.74 frystyk 729: ABORT_TARGET;
1.115 frystyk 730: HT_FREE(me);
1.74 frystyk 731: if (PROT_TRACE)
1.116 eric 732: HTTrace("HTTPStatus.. ABORTING...\n");
1.80 frystyk 733: return HT_ERROR;
1.71 frystyk 734: }
735:
736: /* HTTPStatus Stream
737: ** -----------------
738: */
1.119 frystyk 739: PRIVATE const HTStreamClass HTTPStatusClass =
1.71 frystyk 740: {
741: "HTTPStatus",
1.80 frystyk 742: HTTPStatus_flush,
1.71 frystyk 743: HTTPStatus_free,
744: HTTPStatus_abort,
745: HTTPStatus_put_character,
746: HTTPStatus_put_string,
747: HTTPStatus_put_block
748: };
749:
1.113 frystyk 750: PUBLIC HTStream * HTTPStatus_new (HTRequest * request,
751: void * param,
752: HTFormat input_format,
753: HTFormat output_format,
754: HTStream * output_stream)
1.71 frystyk 755: {
1.115 frystyk 756: HTStream * me;
757: if ((me = (HTStream *) HT_CALLOC(1, sizeof(HTStream))) == NULL)
758: HT_OUTOFMEM("HTTPStatus_new");
1.71 frystyk 759: me->isa = &HTTPStatusClass;
1.113 frystyk 760: if (request) {
1.126 frystyk 761: HTNet * net = HTRequest_net(request);
1.125 frystyk 762: /* Get existing copy */
763: http_info * http = (http_info *) HTNet_context(net);
1.113 frystyk 764: me->request = request;
765: me->http = http;
766: http->next = HTTP_ERROR;
767: me->state = EOL_BEGIN;
768: return me;
769: } else
770: return HTErrorStream();
1.71 frystyk 771: }
772:
773: /* ------------------------------------------------------------------------- */
774:
775: /* Load Document from HTTP Server HTLoadHTTP
1.55 frystyk 776: ** ==============================
777: **
778: ** Given a hypertext address, this routine loads a document.
779: **
780: ** On entry,
781: ** request This is the request structure
1.94 frystyk 782: ** returns HT_ERROR Error has occured in call back
783: ** HT_OK Call back was OK
1.55 frystyk 784: */
1.141 frystyk 785: PRIVATE int HTTPEvent (SOCKET soc, void * pVoid, HTEventType type);
786:
787: PUBLIC int HTLoadHTTP (SOCKET soc, HTRequest * request)
1.55 frystyk 788: {
789: http_info *http; /* Specific protocol information */
1.112 frystyk 790: HTParentAnchor *anchor = HTRequest_anchor(request);
1.141 frystyk 791: HTNet * net = HTRequest_net(request);
1.112 frystyk 792:
1.94 frystyk 793: /*
794: ** Initiate a new http structure and bind to request structure
795: ** This is actually state HTTP_BEGIN, but it can't be in the state
796: ** machine as we need the structure first.
797: */
1.141 frystyk 798: if (PROT_TRACE) HTTrace("HTTP........ Looking for `%s\'\n",
799: HTAnchor_physical(anchor));
800: if ((http = (http_info *) HT_CALLOC(1, sizeof(http_info))) == NULL)
801: HT_OUTOFMEM("HTLoadHTTP");
802: http->net = net;
803: HTNet_setContext(net, http);
804: HTNet_setEventCallback(net, HTTPEvent);
805: HTNet_setEventParam(net, http); /* callbacks get http* */
806:
807: return HTTPEvent(soc, http, HTEvent_BEGIN); /* get it started - ops is ignored */
808: }
809:
810: PRIVATE int HTTPEvent (SOCKET soc, void * pVoid, HTEventType type)
811: {
812: http_info * http = (http_info *)pVoid;
813: int status = HT_ERROR;
814: HTNet * net = http->net;
815: HTRequest * request = HTNet_request(net);
1.144 frystyk 816: HTParentAnchor * anchor = HTRequest_anchor(request);
817: HTHost * host = HTNet_host(net);
1.141 frystyk 818:
819: /*
820: ** Check whether we have been interrupted
821: */
822: if (type == HTEvent_BEGIN) {
1.134 frystyk 823: http->next = HTTP_OK;
824: http->result = HT_ERROR;
1.141 frystyk 825: } else if (type == HTEvent_CLOSE) {
1.112 frystyk 826: HTRequest_addError(request, ERR_FATAL, NO, HTERR_INTERRUPTED,
827: NULL, 0, "HTLoadHTTP");
828: HTTPCleanup(request, HT_INTERRUPTED);
1.94 frystyk 829: return HT_OK;
1.141 frystyk 830: } else if (type == HTEvent_END) {
831: HTTPCleanup(request, http->result);
832: return HT_OK;
833: } else if (type == HTEvent_RESET) {
834: HTTPCleanup(request, HT_RECOVER_PIPE);
1.145 frystyk 835: http->state = HTTP_BEGIN;
1.141 frystyk 836: return HT_OK;
837: }
838:
1.71 frystyk 839: /* Now jump into the machine. We know the state from the previous run */
840: while (1) {
841: switch (http->state) {
1.134 frystyk 842: case HTTP_BEGIN:
1.144 frystyk 843: status = HTHost_connect(host, net, HTAnchor_physical(anchor), HTTP_PORT);
844: host = HTNet_host(net);
1.80 frystyk 845: if (status == HT_OK) {
1.140 frystyk 846:
1.123 frystyk 847: /*
1.140 frystyk 848: ** Check the protocol class to see if we have connected to a
849: ** the right class of server, in this case HTTP. If we don't
850: ** know the server then assume a HTTP/1.0
1.123 frystyk 851: */
852: {
853: char * s_class = HTHost_class(host);
1.140 frystyk 854: if (!s_class) {
855: if (HTRequest_proxy(request) == NULL)
856: HTRequest_addConnection(request, "Keep-Alive", "");
857: HTHost_setClass(host, "http");
858: } else if (strcasecomp(s_class, "http")) {
1.123 frystyk 859: HTRequest_addError(request, ERR_FATAL, NO, HTERR_CLASS,
860: NULL, 0, "HTLoadHTTP");
861: http->state = HTTP_ERROR;
862: break;
863: }
1.95 frystyk 864: }
1.147 frystyk 865:
866: if (ConnectionMode & HTTP_NO_PIPELINING) {
867: if (PROT_TRACE) HTTrace("HTTP........ Mode is HTTP/1.1 WITH NO PIPELINING\n");
868: HTRequest_setFlush(request, YES);
869: } else if (ConnectionMode & HTTP_FORCE_10) {
870: if (PROT_TRACE) HTTrace("HTTP........ Mode is FORCE HTTP/1.0\n");
871: HTHost_setVersion(host, HTTP_10);
872: }
873:
874: /* Jump to next state */
1.144 frystyk 875: http->state = HTTP_NEED_STREAM;
876: } else if (status == HT_WOULD_BLOCK || status == HT_PENDING)
877: return HT_OK;
878: else
879: http->state = HTTP_ERROR; /* Error or interrupt */
880: break;
881:
882: case HTTP_NEED_STREAM:
1.138 frystyk 883:
1.144 frystyk 884: #if 0
885: HTChannel_upSemaphore(host->channel);
886: #endif
887:
888: /*
889: ** Create the stream pipe FROM the channel to the application.
890: ** The target for the input stream pipe is set up using the
891: ** stream stack.
892: */
893: {
894: HTStream *me=HTStreamStack(WWW_HTTP,
895: HTRequest_outputFormat(request),
896: HTRequest_outputStream(request),
897: request, YES);
898: HTNet_setReadStream(net, me);
899: HTRequest_setOutputConnected(request, YES);
900: }
1.127 frystyk 901:
1.144 frystyk 902: /*
903: ** Create the stream pipe TO the channel from the application
904: ** and hook it up to the request object
905: */
906: {
907: HTChannel * channel = HTHost_channel(host);
908: HTOutputStream * output = HTChannel_getChannelOStream(channel);
909: int version = HTHost_version(host);
910: HTStream * app = NULL;
911:
1.123 frystyk 912: /*
1.144 frystyk 913: ** Instead of calling this directly we could have a
914: ** stream stack builder on the output stream as well
1.123 frystyk 915: */
1.141 frystyk 916: #ifdef HT_MUX
1.144 frystyk 917: output = (HTOutputStream *)
918: HTBuffer_new(HTMuxWriter_new(host, net, output), request, 512);
1.141 frystyk 919: #endif
920:
1.139 frystyk 921: #ifdef HTTP_DUMP
1.144 frystyk 922: if (PROT_TRACE) {
1.147 frystyk 923: FILE * htfp = NULL;
924: if ((htfp = fopen(HTTP_OUTPUT, "ab")) != NULL) {
1.144 frystyk 925: output = (HTOutputStream *)
1.147 frystyk 926: HTTee((HTStream *) output, HTFWriter_new(request, htfp, NO), NULL);
927: HTTrace("HTTP........ Dumping request to `%s\'\n", HTTP_OUTPUT);
1.144 frystyk 928: }
929: }
1.139 frystyk 930: #endif /* HTTP_DUMP */
1.144 frystyk 931: app = HTMethod_hasEntity(HTRequest_method(request)) ?
932: HTMIMERequest_new(request,
933: HTTPRequest_new(request, (HTStream *) output, NO,
934: version),
935: YES) :
936: HTTPRequest_new(request, (HTStream *) output, YES, version);
937: HTRequest_setInputStream(request, app);
938: }
1.88 frystyk 939:
1.144 frystyk 940: /*
941: ** Set up concurrent read/write if this request isn't the
942: ** source for a PUT or POST. As source we don't start reading
943: ** before all destinations are ready. If destination then
944: ** register the input stream and get ready for read
945: */
946: if (HTRequest_isDestination(request)) {
947: HTHost_register(host, net, HTEvent_READ);
948: HTRequest_linkDestination(request);
949: }
950: http->state = HTTP_CONNECTED;
951: type = HTEvent_WRITE; /* fresh, so try a write */
1.71 frystyk 952: break;
953:
1.87 frystyk 954: /* As we can do simultanous read and write this is now one state */
1.141 frystyk 955: case HTTP_CONNECTED:
956: if (type == HTEvent_WRITE) {
957: if (HTRequest_isDestination(request)) {
958: HTRequest * source = HTRequest_source(request);
959: HTNet * srcnet = HTRequest_net(source);
960: if (srcnet) {
1.149 frystyk 961: HTHost_register(HTNet_host(srcnet), srcnet, HTEvent_READ);
962: HTHost_unregister(HTNet_host(srcnet), srcnet, HTEvent_WRITE);
1.141 frystyk 963: }
964: return HT_OK;
965: }
1.126 frystyk 966:
967: /*
968: ** Should we use the input stream directly or call the post
969: ** callback function to send data down to the network?
970: */
971: {
972: HTStream * input = HTRequest_inputStream(request);
973: HTPostCallback * pcbf = HTRequest_postCallback(request);
1.131 frystyk 974: if (pcbf) {
1.139 frystyk 975: if (http->lock)
976: return HT_OK;
977: else {
1.141 frystyk 978: status = (*pcbf)(request, input);
1.140 frystyk 979: if (status == HT_PAUSE || status == HT_LOADED) {
1.141 frystyk 980: type = HTEvent_READ;
1.139 frystyk 981: http->lock = YES;
1.141 frystyk 982: } else if (status==HT_CLOSED)
983: http->state = HTTP_RECOVER_PIPE;
984: else if (status == HT_ERROR) {
1.139 frystyk 985: http->result = HT_INTERRUPTED;
986: http->state = HTTP_ERROR;
987: break;
988: }
989: }
1.131 frystyk 990: } else {
1.142 frystyk 991: /*
992: ** Check to see if we can start a new request
993: ** pending in the host object.
994: */
1.144 frystyk 995: HTHost_launchPending(host);
1.142 frystyk 996: status = HTRequest_flush(request) ?
1.144 frystyk 997: HTHost_forceFlush(host) : (*input->isa->flush)(input);
1.141 frystyk 998: type = HTEvent_READ;
1.131 frystyk 999: }
1000: if (status == HT_WOULD_BLOCK) return HT_OK;
1.126 frystyk 1001: }
1.141 frystyk 1002: } else if (type == HTEvent_FLUSH) {
1003: HTStream * input = HTRequest_inputStream(request);
1004: if (input == NULL)
1005: return HT_ERROR;
1006: return (*input->isa->flush)(input);
1007: } else if (type == HTEvent_READ) {
1.144 frystyk 1008: status = HTHost_read(host, net);
1.131 frystyk 1009: if (status == HT_WOULD_BLOCK)
1.94 frystyk 1010: return HT_OK;
1.131 frystyk 1011: else if (status == HT_CONTINUE) {
1.130 frystyk 1012: if (PROT_TRACE) HTTrace("HTTP........ Continuing\n");
1.139 frystyk 1013: http->lock = NO;
1.141 frystyk 1014: type = HTEvent_WRITE;
1.130 frystyk 1015: continue;
1.133 frystyk 1016: } else if (status==HT_LOADED)
1.141 frystyk 1017: http->state = http->next; /* Jump to next state (OK or ERROR) */
1018: else if (status==HT_CLOSED)
1019: http->state = HTTP_RECOVER_PIPE;
1020: else
1.94 frystyk 1021: http->state = HTTP_ERROR;
1.90 frystyk 1022: } else {
1.141 frystyk 1023: http->state = HTTP_ERROR; /* don't know how to handle OOB */
1.90 frystyk 1024: }
1.71 frystyk 1025: break;
1.141 frystyk 1026:
1.134 frystyk 1027: case HTTP_OK:
1.88 frystyk 1028: if (HTRequest_isPostWeb(request)) {
1.91 frystyk 1029: if (HTRequest_isDestination(request)) {
1.126 frystyk 1030: HTRequest * source = HTRequest_source(request);
1.91 frystyk 1031: HTLink *link =
1.127 frystyk 1032: HTLink_find((HTAnchor *)HTRequest_anchor(source),
1.112 frystyk 1033: (HTAnchor *) anchor);
1.109 frystyk 1034: HTLink_setResult(link, HT_LINK_OK);
1.91 frystyk 1035: }
1.112 frystyk 1036: }
1.134 frystyk 1037: HTTPCleanup(request, http->result);
1.94 frystyk 1038: return HT_OK;
1.71 frystyk 1039: break;
1.141 frystyk 1040:
1041: case HTTP_RECOVER_PIPE:
1042: {
1043: /*
1044: ** If this is a persistent connection and we get a close
1045: ** then it is an error and we should recover from it by
1046: ** restarting the pipe line of requests if any
1047: */
1048: if (HTHost_isPersistent(host)) {
1.143 frystyk 1049: if (host == NULL) return HT_ERROR;
1.144 frystyk 1050: HTRequest_setFlush(request, YES);
1051: HTHost_recoverPipe(host);
1052: http->state = HTTP_BEGIN;
1053: HTHost_launchPending(host);
1054: return HT_OK;
1.141 frystyk 1055: } else
1056: http->state = HTTP_OK;
1057: }
1.143 frystyk 1058: break;
1.141 frystyk 1059:
1.71 frystyk 1060: case HTTP_ERROR:
1.143 frystyk 1061: if (HTRequest_isPostWeb(request)) {
1062: if (HTRequest_isDestination(request)) {
1063: HTRequest * source = HTRequest_source(request);
1064: HTLink *link =
1065: HTLink_find((HTAnchor *)HTRequest_anchor(source),
1066: (HTAnchor *) anchor);
1067: HTLink_setResult(link, HT_LINK_ERROR);
1068: }
1069: HTRequest_killPostWeb(request);
1070: }
1071: HTTPCleanup(request, http->result);
1072: return HT_OK;
1073: break;
1074:
1.141 frystyk 1075: default:
1076: HTTrace("bad http state %d.\n", http->state);
1077: HTDebugBreak();
1.71 frystyk 1078: }
1079: } /* End of while(1) */
1080: }
1.88 frystyk 1081:
1.147 frystyk 1082: PUBLIC void HTTP_setConnectionMode (HTTPConnectionMode mode)
1083: {
1084: ConnectionMode = mode;
1085: }
1086:
1087: PUBLIC HTTPConnectionMode HTTP_connectionMode (void)
1088: {
1089: return ConnectionMode;
1090: }
1.21 luotonen 1091:
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