1/*
2     This file is part of libmicrohttpd
3     Copyright (C) 2007, 2008 Christian Grothoff
4
5     libmicrohttpd is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published
7     by the Free Software Foundation; either version 2, or (at your
8     option) any later version.
9
10     libmicrohttpd is distributed in the hope that it will be useful, but
11     WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13     General Public License for more details.
14
15     You should have received a copy of the GNU General Public License
16     along with libmicrohttpd; see the file COPYING.  If not, write to the
17     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18     Boston, MA 02111-1307, USA.
19*/
20
21/**
22 * @file test_put_large.c
23 * @brief  Testcase for libmicrohttpd PUT operations
24 * @author Christian Grothoff
25 */
26
27#include "MHD_config.h"
28#include "platform.h"
29#include <curl/curl.h>
30#include <microhttpd.h>
31#include <stdlib.h>
32#include <string.h>
33#include <time.h>
34
35#ifndef WINDOWS
36#include <unistd.h>
37#endif
38
39#include "socat.c"
40
41static int oneone;
42
43/**
44 * Do not make this much larger since we will hit the
45 * MHD default buffer limit and the test code is not
46 * written for incremental upload processing...
47 */
48#define PUT_SIZE (256 * 1024)
49
50static char *put_buffer;
51
52struct CBC
53{
54  char *buf;
55  size_t pos;
56  size_t size;
57};
58
59static size_t
60putBuffer (void *stream, size_t size, size_t nmemb, void *ptr)
61{
62  unsigned int *pos = ptr;
63  unsigned int wrt;
64
65  wrt = size * nmemb;
66  if (wrt > PUT_SIZE - (*pos))
67    wrt = PUT_SIZE - (*pos);
68  memcpy (stream, &put_buffer[*pos], wrt);
69  (*pos) += wrt;
70  return wrt;
71}
72
73static size_t
74copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx)
75{
76  struct CBC *cbc = ctx;
77
78  if (cbc->pos + size * nmemb > cbc->size)
79    return 0;                   /* overflow */
80  memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
81  cbc->pos += size * nmemb;
82  return size * nmemb;
83}
84
85static int
86ahc_echo (void *cls,
87          struct MHD_Connection *connection,
88          const char *url,
89          const char *method,
90          const char *version,
91          const char *upload_data, size_t *upload_data_size,
92          void **unused)
93{
94  int *done = cls;
95  struct MHD_Response *response;
96  int ret;
97
98  if (0 != strcmp ("PUT", method))
99    return MHD_NO;              /* unexpected method */
100  if ((*done) == 0)
101    {
102      if (*upload_data_size != PUT_SIZE)
103        {
104#if 0
105          fprintf (stderr,
106                   "Waiting for more data (%u/%u)...\n",
107                   *upload_data_size, PUT_SIZE);
108#endif
109          return MHD_YES;       /* not yet ready */
110        }
111      if (0 == memcmp (upload_data, put_buffer, PUT_SIZE))
112        {
113          *upload_data_size = 0;
114        }
115      else
116        {
117          return MHD_NO;
118        }
119      *done = 1;
120      return MHD_YES;
121    }
122  response = MHD_create_response_from_buffer (strlen (url),
123					      (void *) url,
124					      MHD_RESPMEM_MUST_COPY);
125  ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
126  MHD_destroy_response (response);
127  return ret;
128}
129
130
131static int
132testInternalPut ()
133{
134  struct MHD_Daemon *d;
135  CURL *c;
136  struct CBC cbc;
137  unsigned int pos = 0;
138  int done_flag = 0;
139  char buf[2048];
140  int i;
141
142  cbc.buf = buf;
143  cbc.size = 2048;
144  cbc.pos = 0;
145  d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY /* | MHD_USE_DEBUG */ ,
146                        11080,
147                        NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END);
148  if (d == NULL)
149    return 1;
150  zzuf_socat_start ();
151  for (i = 0; i < LOOP_COUNT; i++)
152    {
153      fprintf (stderr, ".");
154
155      c = curl_easy_init ();
156      curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world");
157      curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
158      curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
159      curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer);
160      curl_easy_setopt (c, CURLOPT_READDATA, &pos);
161      curl_easy_setopt (c, CURLOPT_UPLOAD, 1L);
162      curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE);
163      curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
164      curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT);
165      if (oneone)
166        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
167      else
168        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
169      curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT);
170      // NOTE: use of CONNECTTIMEOUT without also
171      //   setting NOSIGNAL results in really weird
172      //   crashes on my system!
173      curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
174      curl_easy_perform (c);
175      curl_easy_cleanup (c);
176    }
177  fprintf (stderr, "\n");
178  zzuf_socat_stop ();
179  MHD_stop_daemon (d);
180  return 0;
181}
182
183static int
184testMultithreadedPut ()
185{
186  struct MHD_Daemon *d;
187  CURL *c;
188  struct CBC cbc;
189  unsigned int pos = 0;
190  int done_flag = 0;
191  char buf[2048];
192  int i;
193
194  cbc.buf = buf;
195  cbc.size = 2048;
196  cbc.pos = 0;
197  d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION /* | MHD_USE_DEBUG */ ,
198                        11080,
199                        NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END);
200  if (d == NULL)
201    return 16;
202  zzuf_socat_start ();
203  for (i = 0; i < LOOP_COUNT; i++)
204    {
205      fprintf (stderr, ".");
206
207      c = curl_easy_init ();
208      curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world");
209      curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
210      curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
211      curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer);
212      curl_easy_setopt (c, CURLOPT_READDATA, &pos);
213      curl_easy_setopt (c, CURLOPT_UPLOAD, 1L);
214      curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE);
215      curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
216      curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT);
217      if (oneone)
218        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
219      else
220        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
221      curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT);
222      // NOTE: use of CONNECTTIMEOUT without also
223      //   setting NOSIGNAL results in really weird
224      //   crashes on my system!
225      curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
226      curl_easy_perform (c);
227      curl_easy_cleanup (c);
228    }
229  fprintf (stderr, "\n");
230  zzuf_socat_stop ();
231  MHD_stop_daemon (d);
232  return 0;
233}
234
235
236static int
237testExternalPut ()
238{
239  struct MHD_Daemon *d;
240  CURL *c;
241  struct CBC cbc;
242  CURLM *multi;
243  CURLMcode mret;
244  fd_set rs;
245  fd_set ws;
246  fd_set es;
247  int max;
248  int running;
249  time_t start;
250  struct timeval tv;
251  unsigned int pos = 0;
252  int done_flag = 0;
253  char buf[2048];
254  int i;
255
256  cbc.buf = buf;
257  cbc.size = 2048;
258  cbc.pos = 0;
259  multi = NULL;
260  d = MHD_start_daemon (MHD_NO_FLAG /* | MHD_USE_DEBUG */,
261                        11080,
262                        NULL, NULL, &ahc_echo, &done_flag,
263                        MHD_OPTION_CONNECTION_MEMORY_LIMIT,
264                        (size_t) (PUT_SIZE * 4), MHD_OPTION_END);
265  if (d == NULL)
266    return 256;
267  multi = curl_multi_init ();
268  if (multi == NULL)
269    {
270      MHD_stop_daemon (d);
271      return 512;
272    }
273  zzuf_socat_start ();
274  for (i = 0; i < LOOP_COUNT; i++)
275    {
276      fprintf (stderr, ".");
277
278      c = curl_easy_init ();
279      curl_easy_setopt (c, CURLOPT_URL, "http://localhost:11081/hello_world");
280      curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
281      curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
282      curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer);
283      curl_easy_setopt (c, CURLOPT_READDATA, &pos);
284      curl_easy_setopt (c, CURLOPT_UPLOAD, 1L);
285      curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE);
286      curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
287      curl_easy_setopt (c, CURLOPT_TIMEOUT_MS, CURL_TIMEOUT);
288      if (oneone)
289        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
290      else
291        curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
292      curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT_MS, CURL_TIMEOUT);
293      // NOTE: use of CONNECTTIMEOUT without also
294      //   setting NOSIGNAL results in really weird
295      //   crashes on my system!
296      curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
297
298
299
300      mret = curl_multi_add_handle (multi, c);
301      if (mret != CURLM_OK)
302        {
303          curl_multi_cleanup (multi);
304          curl_easy_cleanup (c);
305          zzuf_socat_stop ();
306          MHD_stop_daemon (d);
307          return 1024;
308        }
309      start = time (NULL);
310      while ((time (NULL) - start < 5) && (c != NULL))
311        {
312          max = 0;
313          FD_ZERO (&rs);
314          FD_ZERO (&ws);
315          FD_ZERO (&es);
316          curl_multi_perform (multi, &running);
317          mret = curl_multi_fdset (multi, &rs, &ws, &es, &max);
318          if (mret != CURLM_OK)
319            {
320              curl_multi_remove_handle (multi, c);
321              curl_multi_cleanup (multi);
322              curl_easy_cleanup (c);
323              zzuf_socat_stop ();
324              MHD_stop_daemon (d);
325              return 2048;
326            }
327          if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max))
328            {
329              curl_multi_remove_handle (multi, c);
330              curl_multi_cleanup (multi);
331              curl_easy_cleanup (c);
332              zzuf_socat_stop ();
333              MHD_stop_daemon (d);
334              return 4096;
335            }
336          tv.tv_sec = 0;
337          tv.tv_usec = 1000;
338          select (max + 1, &rs, &ws, &es, &tv);
339          curl_multi_perform (multi, &running);
340          if (running == 0)
341            {
342              curl_multi_info_read (multi, &running);
343              curl_multi_remove_handle (multi, c);
344              curl_easy_cleanup (c);
345              c = NULL;
346            }
347          MHD_run (d);
348        }
349      if (c != NULL)
350        {
351          curl_multi_remove_handle (multi, c);
352          curl_easy_cleanup (c);
353        }
354    }
355  fprintf (stderr, "\n");
356  zzuf_socat_stop ();
357  curl_multi_cleanup (multi);
358  MHD_stop_daemon (d);
359  return 0;
360}
361
362
363int
364main (int argc, char *const *argv)
365{
366  unsigned int errorCount = 0;
367
368  oneone = (NULL != strrchr (argv[0], (int) '/')) ?
369    (NULL != strstr (strrchr (argv[0], (int) '/'), "11")) : 0;
370  if (0 != curl_global_init (CURL_GLOBAL_WIN32))
371    return 2;
372  put_buffer = malloc (PUT_SIZE);
373  memset (put_buffer, 1, PUT_SIZE);
374  errorCount += testInternalPut ();
375  errorCount += testMultithreadedPut ();
376  errorCount += testExternalPut ();
377  free (put_buffer);
378  if (errorCount != 0)
379    fprintf (stderr, "Error (code: %u)\n", errorCount);
380  curl_global_cleanup ();
381  return errorCount != 0;       /* 0 == pass */
382}
383