Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/examples/multi-post.c @ 46:7ee69f120f19 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
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1 /***************************************************************************
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2 * _ _ ____ _
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3 * Project ___| | | | _ \| |
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4 * / __| | | | |_) | |
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5 * | (__| |_| | _ <| |___
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6 * \___|\___/|_| \_\_____|
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7 *
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8 * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 *
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10 * This software is licensed as described in the file COPYING, which
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11 * you should have received as part of this distribution. The terms
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12 * are also available at https://curl.haxx.se/docs/copyright.html.
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13 *
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 * copies of the Software, and permit persons to whom the Software is
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16 * furnished to do so, under the terms of the COPYING file.
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17 *
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 * KIND, either express or implied.
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20 *
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21 ***************************************************************************/
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22 /* <DESC>
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23 * using the multi interface to do a multipart formpost without blocking
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24 * </DESC>
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25 */
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27 #include <stdio.h>
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28 #include <string.h>
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29 #include <sys/time.h>
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31 #include <curl/curl.h>
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33 int main(void)
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34 {
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35 CURL *curl;
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37 CURLM *multi_handle;
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38 int still_running = 0;
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40 curl_mime *form = NULL;
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41 curl_mimepart *field = NULL;
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42 struct curl_slist *headerlist = NULL;
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43 static const char buf[] = "Expect:";
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45 curl = curl_easy_init();
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46 multi_handle = curl_multi_init();
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48 if(curl && multi_handle) {
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49 /* Create the form */
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50 form = curl_mime_init(curl);
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52 /* Fill in the file upload field */
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53 field = curl_mime_addpart(form);
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54 curl_mime_name(field, "sendfile");
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55 curl_mime_filedata(field, "multi-post.c");
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57 /* Fill in the filename field */
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58 field = curl_mime_addpart(form);
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59 curl_mime_name(field, "filename");
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60 curl_mime_data(field, "multi-post.c", CURL_ZERO_TERMINATED);
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61
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62 /* Fill in the submit field too, even if this is rarely needed */
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63 field = curl_mime_addpart(form);
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64 curl_mime_name(field, "submit");
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65 curl_mime_data(field, "send", CURL_ZERO_TERMINATED);
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66
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67 /* initialize custom header list (stating that Expect: 100-continue is not
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68 wanted */
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69 headerlist = curl_slist_append(headerlist, buf);
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71 /* what URL that receives this POST */
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72 curl_easy_setopt(curl, CURLOPT_URL, "https://www.example.com/upload.cgi");
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73 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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75 curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
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76 curl_easy_setopt(curl, CURLOPT_MIMEPOST, form);
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78 curl_multi_add_handle(multi_handle, curl);
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80 curl_multi_perform(multi_handle, &still_running);
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82 while(still_running) {
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83 struct timeval timeout;
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84 int rc; /* select() return code */
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85 CURLMcode mc; /* curl_multi_fdset() return code */
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86
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87 fd_set fdread;
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88 fd_set fdwrite;
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89 fd_set fdexcep;
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90 int maxfd = -1;
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92 long curl_timeo = -1;
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94 FD_ZERO(&fdread);
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95 FD_ZERO(&fdwrite);
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96 FD_ZERO(&fdexcep);
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98 /* set a suitable timeout to play around with */
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99 timeout.tv_sec = 1;
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100 timeout.tv_usec = 0;
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101
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102 curl_multi_timeout(multi_handle, &curl_timeo);
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103 if(curl_timeo >= 0) {
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104 timeout.tv_sec = curl_timeo / 1000;
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105 if(timeout.tv_sec > 1)
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106 timeout.tv_sec = 1;
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107 else
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108 timeout.tv_usec = (curl_timeo % 1000) * 1000;
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109 }
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110
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111 /* get file descriptors from the transfers */
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112 mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
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113
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114 if(mc != CURLM_OK) {
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115 fprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mc);
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116 break;
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117 }
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118
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119 /* On success the value of maxfd is guaranteed to be >= -1. We call
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120 select(maxfd + 1, ...); specially in case of (maxfd == -1) there are
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121 no fds ready yet so we call select(0, ...) --or Sleep() on Windows--
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122 to sleep 100ms, which is the minimum suggested value in the
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123 curl_multi_fdset() doc. */
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124
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125 if(maxfd == -1) {
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126 #ifdef _WIN32
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127 Sleep(100);
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128 rc = 0;
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129 #else
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130 /* Portable sleep for platforms other than Windows. */
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131 struct timeval wait = { 0, 100 * 1000 }; /* 100ms */
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132 rc = select(0, NULL, NULL, NULL, &wait);
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133 #endif
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134 }
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135 else {
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136 /* Note that on some platforms 'timeout' may be modified by select().
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137 If you need access to the original value save a copy beforehand. */
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138 rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
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139 }
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140
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141 switch(rc) {
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142 case -1:
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143 /* select error */
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144 break;
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145 case 0:
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146 default:
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147 /* timeout or readable/writable sockets */
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148 printf("perform!\n");
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149 curl_multi_perform(multi_handle, &still_running);
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150 printf("running: %d!\n", still_running);
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151 break;
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152 }
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153 }
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parents:
diff changeset
154
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parents:
diff changeset
155 curl_multi_cleanup(multi_handle);
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parents:
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156
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157 /* always cleanup */
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parents:
diff changeset
158 curl_easy_cleanup(curl);
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parents:
diff changeset
159
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diff changeset
160 /* then cleanup the form */
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parents:
diff changeset
161 curl_mime_free(form);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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diff changeset
162
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parents:
diff changeset
163 /* free slist */
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164 curl_slist_free_all(headerlist);
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165 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
166 return 0;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
167 }