15ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#ifndef __CURL_MULTI_H 25ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define __CURL_MULTI_H 35ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/*************************************************************************** 45ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * _ _ ____ _ 55ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Project ___| | | | _ \| | 65ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * / __| | | | |_) | | 75ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * | (__| |_| | _ <| |___ 85ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * \___|\___/|_| \_\_____| 95ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 10486467e11b5904b3e04adc2f5fdb96fcfe65da84Alex Deymo * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al. 115ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 125ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * This software is licensed as described in the file COPYING, which 135ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * you should have received as part of this distribution. The terms 14d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo * are also available at https://curl.haxx.se/docs/copyright.html. 155ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 165ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * You may opt to use, copy, modify, merge, publish, distribute and/or sell 175ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * copies of the Software, and permit persons to whom the Software is 185ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * furnished to do so, under the terms of the COPYING file. 195ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 205ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 215ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * KIND, either express or implied. 225ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 235ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen ***************************************************************************/ 245ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 255ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen This is an "external" header file. Don't give away any internals here! 265ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 275ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen GOALS 285ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 295ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen o Enable a "pull" interface. The application that uses libcurl decides where 305ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen and when to ask libcurl to get/send data. 315ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 325ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen o Enable multiple simultaneous transfers in the same thread without making it 335ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen complicated for the application. 345ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 355ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen o Enable the application to select() on its own file descriptors and curl's 365ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen file descriptors simultaneous easily. 375ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 385ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen*/ 395ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 405ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 415ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * This header file should not really need to include "curl.h" since curl.h 425ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * itself includes this file and we expect user applications to do #include 435ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * <curl/curl.h> without the need for especially including multi.h. 445ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 455ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * For some reason we added this include here at one point, and rather than to 465ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * break existing (wrongly written) libcurl applications, we leave it as-is 475ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * but with this warning attached. 485ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 495ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#include "curl.h" 505ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 515ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#ifdef __cplusplus 525ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsenextern "C" { 535ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#endif 545ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 55e3149cc1cf501b46caba8d47652ac90b95c78eacAlex Deymo#if defined(BUILDING_LIBCURL) || defined(CURL_STRICTER) 56e3149cc1cf501b46caba8d47652ac90b95c78eacAlex Deymotypedef struct Curl_multi CURLM; 57e3149cc1cf501b46caba8d47652ac90b95c78eacAlex Deymo#else 585ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsentypedef void CURLM; 59e3149cc1cf501b46caba8d47652ac90b95c78eacAlex Deymo#endif 605ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 615ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsentypedef enum { 625ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_CALL_MULTI_PERFORM = -1, /* please call curl_multi_perform() or 635ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen curl_multi_socket*() soon */ 645ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_OK, 655ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_BAD_HANDLE, /* the passed-in handle is not a valid CURLM handle */ 665ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_BAD_EASY_HANDLE, /* an easy handle was not good/valid */ 675ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_OUT_OF_MEMORY, /* if you ever get this, you're in deep sh*t */ 685ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_INTERNAL_ERROR, /* this is a libcurl bug */ 695ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_BAD_SOCKET, /* the passed in socket argument did not match */ 705ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_UNKNOWN_OPTION, /* curl_multi_setopt() with unsupported option */ 71e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET CURLM_ADDED_ALREADY, /* an easy handle already added to a multi handle was 72e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET attempted to get added - again */ 735ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLM_LAST 745ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen} CURLMcode; 755ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 765ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* just to make code nicer when using curl_multi_socket() you can now check 775ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen for CURLM_CALL_MULTI_SOCKET too in the same style it works for 785ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen curl_multi_perform() and CURLM_CALL_MULTI_PERFORM */ 795ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURLM_CALL_MULTI_SOCKET CURLM_CALL_MULTI_PERFORM 805ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 81e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET/* bitmask bits for CURLMOPT_PIPELINING */ 82e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET#define CURLPIPE_NOTHING 0L 83e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET#define CURLPIPE_HTTP1 1L 84e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET#define CURLPIPE_MULTIPLEX 2L 85e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 865ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsentypedef enum { 875ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLMSG_NONE, /* first, not used */ 885ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLMSG_DONE, /* This easy handle has completed. 'result' contains 895ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen the CURLcode of the transfer */ 905ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLMSG_LAST /* last, not used */ 915ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen} CURLMSG; 925ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 935ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsenstruct CURLMsg { 945ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLMSG msg; /* what this message means */ 955ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURL *easy_handle; /* the handle it concerns */ 965ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen union { 975ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen void *whatever; /* message-specific data */ 985ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLcode result; /* return code for transfer */ 995ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen } data; 1005ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen}; 1015ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsentypedef struct CURLMsg CURLMsg; 1025ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 103e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET/* Based on poll(2) structure and values. 104e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET * We don't use pollfd and POLL* constants explicitly 105e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET * to cover platforms without poll(). */ 106e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET#define CURL_WAIT_POLLIN 0x0001 107e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET#define CURL_WAIT_POLLPRI 0x0002 108e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET#define CURL_WAIT_POLLOUT 0x0004 109e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 110e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNETstruct curl_waitfd { 111e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET curl_socket_t fd; 112e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET short events; 113e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET short revents; /* not supported yet */ 114e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET}; 115e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 1165ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 1175ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_init() 1185ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1195ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: inititalize multi-style curl usage 1205ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1215ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: a new CURLM handle to use in all 'curl_multi' functions. 1225ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 1235ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLM *curl_multi_init(void); 1245ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 1255ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 1265ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_add_handle() 1275ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1285ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: add a standard curl handle to the multi stack 1295ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1305ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: CURLMcode type, general multi error code. 1315ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 1325ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_add_handle(CURLM *multi_handle, 1335ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURL *curl_handle); 1345ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 1355ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* 1365ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_remove_handle() 1375ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1385ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: removes a curl handle from the multi stack again 1395ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1405ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: CURLMcode type, general multi error code. 1415ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 1425ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_remove_handle(CURLM *multi_handle, 1435ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURL *curl_handle); 1445ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 1455ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* 1465ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_fdset() 1475ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1485ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: Ask curl for its fd_set sets. The app can use these to select() or 1495ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * poll() on. We want curl_multi_perform() called as soon as one of 1505ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * them are ready. 1515ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1525ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: CURLMcode type, general multi error code. 1535ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 1545ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_fdset(CURLM *multi_handle, 1555ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen fd_set *read_fd_set, 1565ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen fd_set *write_fd_set, 1575ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen fd_set *exc_fd_set, 1585ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen int *max_fd); 1595ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 160e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET/* 161e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET * Name: curl_multi_wait() 162e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET * 163e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET * Desc: Poll on all fds within a CURLM set as well as any 164e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET * additional fds passed to the function. 165e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET * 166e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET * Returns: CURLMcode type, general multi error code. 167e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET */ 168e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNETCURL_EXTERN CURLMcode curl_multi_wait(CURLM *multi_handle, 169e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET struct curl_waitfd extra_fds[], 170e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET unsigned int extra_nfds, 171e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET int timeout_ms, 172e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET int *ret); 173e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 1745ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* 1755ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_perform() 1765ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1775ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: When the app thinks there's data available for curl it calls this 1785ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * function to read/write whatever there is right now. This returns 1795ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * as soon as the reads and writes are done. This function does not 1805ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * require that there actually is data available for reading or that 1815ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * data can be written, it can be called just in case. It returns 1825ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * the number of handles that still transfer data in the second 1835ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * argument's integer-pointer. 1845ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1855ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: CURLMcode type, general multi error code. *NOTE* that this only 1865ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * returns errors etc regarding the whole multi stack. There might 1875ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * still have occurred problems on invidual transfers even when this 1885ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * returns OK. 1895ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 1905ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_perform(CURLM *multi_handle, 1915ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen int *running_handles); 1925ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 1935ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* 1945ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_cleanup() 1955ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 1965ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: Cleans up and removes a whole multi stack. It does not free or 1975ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * touch any individual easy handles in any way. We need to define 1985ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * in what state those handles will be if this function is called 1995ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * in the middle of a transfer. 2005ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2015ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: CURLMcode type, general multi error code. 2025ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 2035ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_cleanup(CURLM *multi_handle); 2045ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2055ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 2065ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_info_read() 2075ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2085ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: Ask the multi handle if there's any messages/informationals from 2095ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * the individual transfers. Messages include informationals such as 2105ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * error code from the transfer or just the fact that a transfer is 2115ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * completed. More details on these should be written down as well. 2125ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2135ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Repeated calls to this function will return a new struct each 2145ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * time, until a special "end of msgs" struct is returned as a signal 2155ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * that there is no more to get at this point. 2165ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2175ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * The data the returned pointer points to will not survive calling 2185ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * curl_multi_cleanup(). 2195ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2205ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * The 'CURLMsg' struct is meant to be very simple and only contain 22182be86df6ec7baa34d6169c053fd1dfe56fa858eElliott Hughes * very basic information. If more involved information is wanted, 2225ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * we will provide the particular "transfer handle" in that struct 2235ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * and that should/could/would be used in subsequent 2245ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * curl_easy_getinfo() calls (or similar). The point being that we 2255ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * must never expose complex structs to applications, as then we'll 2265ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * undoubtably get backwards compatibility problems in the future. 2275ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2285ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: A pointer to a filled-in struct, or NULL if it failed or ran out 2295ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * of structs. It also writes the number of messages left in the 2305ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * queue (after this read) in the integer the second argument points 2315ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * to. 2325ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 2335ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMsg *curl_multi_info_read(CURLM *multi_handle, 2345ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen int *msgs_in_queue); 2355ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2365ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 2375ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_strerror() 2385ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2395ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: The curl_multi_strerror function may be used to turn a CURLMcode 2405ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * value into the equivalent human readable error string. This is 2415ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * useful for printing meaningful error messages. 2425ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2435ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: A pointer to a zero-terminated error message. 2445ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 2455ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN const char *curl_multi_strerror(CURLMcode); 2465ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2475ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 2485ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_socket() and 2495ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * curl_multi_socket_all() 2505ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2515ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: An alternative version of curl_multi_perform() that allows the 2525ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * application to pass in one of the file descriptors that have been 2535ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * detected to have "action" on them and let libcurl perform. 2545ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * See man page for details. 2555ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 2565ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_POLL_NONE 0 2575ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_POLL_IN 1 2585ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_POLL_OUT 2 2595ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_POLL_INOUT 3 2605ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_POLL_REMOVE 4 2615ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2625ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_SOCKET_TIMEOUT CURL_SOCKET_BAD 2635ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2645ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_CSELECT_IN 0x01 2655ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_CSELECT_OUT 0x02 2665ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CURL_CSELECT_ERR 0x04 2675ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2685ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsentypedef int (*curl_socket_callback)(CURL *easy, /* easy handle */ 2695ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen curl_socket_t s, /* socket */ 2705ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen int what, /* see above */ 2715ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen void *userp, /* private callback 2725ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen pointer */ 2735ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen void *socketp); /* private socket 2745ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen pointer */ 2755ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 2765ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_timer_callback 2775ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2785ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: Called by libcurl whenever the library detects a change in the 2795ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * maximum number of milliseconds the app is allowed to wait before 2805ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * curl_multi_socket() or curl_multi_perform() must be called 2815ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * (to allow libcurl's timed events to take place). 2825ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 2835ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: The callback should return zero. 2845ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 2855ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsentypedef int (*curl_multi_timer_callback)(CURLM *multi, /* multi handle */ 2865ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen long timeout_ms, /* see above */ 2875ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen void *userp); /* private callback 2885ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen pointer */ 2895ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2905ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_socket(CURLM *multi_handle, curl_socket_t s, 2915ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen int *running_handles); 2925ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2935ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_socket_action(CURLM *multi_handle, 2945ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen curl_socket_t s, 2955ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen int ev_bitmask, 2965ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen int *running_handles); 2975ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 2985ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_socket_all(CURLM *multi_handle, 2995ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen int *running_handles); 3005ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3015ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#ifndef CURL_ALLOW_OLD_MULTI_SOCKET 3025ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* This macro below was added in 7.16.3 to push users who recompile to use 3035ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen the new curl_multi_socket_action() instead of the old curl_multi_socket() 3045ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen*/ 3055ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define curl_multi_socket(x,y,z) curl_multi_socket_action(x,y,0,z) 3065ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#endif 3075ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3085ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 3095ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_timeout() 3105ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 3115ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: Returns the maximum number of milliseconds the app is allowed to 3125ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * wait before curl_multi_socket() or curl_multi_perform() must be 3135ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * called (to allow libcurl's timed events to take place). 3145ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 3155ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: CURLM error code. 3165ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 3175ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_timeout(CURLM *multi_handle, 3185ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen long *milliseconds); 3195ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3205ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#undef CINIT /* re-using the same name as in curl.h */ 3215ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3225ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#ifdef CURL_ISOCPP 3235ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CINIT(name,type,num) CURLMOPT_ ## name = CURLOPTTYPE_ ## type + num 3245ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#else 3255ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */ 3265ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define LONG CURLOPTTYPE_LONG 3275ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define OBJECTPOINT CURLOPTTYPE_OBJECTPOINT 3285ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT 3295ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define OFF_T CURLOPTTYPE_OFF_T 3305ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#define CINIT(name,type,number) CURLMOPT_/**/name = type + number 3315ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#endif 3325ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3335ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsentypedef enum { 3345ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* This is the socket callback function pointer */ 3355ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CINIT(SOCKETFUNCTION, FUNCTIONPOINT, 1), 3365ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3375ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* This is the argument passed to the socket callback */ 3385ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CINIT(SOCKETDATA, OBJECTPOINT, 2), 3395ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3405ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* set to 1 to enable pipelining for this multi handle */ 3415ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CINIT(PIPELINING, LONG, 3), 3425ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3435ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* This is the timer callback function pointer */ 3445ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CINIT(TIMERFUNCTION, FUNCTIONPOINT, 4), 3455ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3465ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* This is the argument passed to the timer callback */ 3475ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CINIT(TIMERDATA, OBJECTPOINT, 5), 3485ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3495ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen /* maximum number of entries in the connection cache */ 3505ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CINIT(MAXCONNECTS, LONG, 6), 3515ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 352e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET /* maximum number of (pipelining) connections to one host */ 353e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET CINIT(MAX_HOST_CONNECTIONS, LONG, 7), 354e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 355e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET /* maximum number of requests in a pipeline */ 356e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET CINIT(MAX_PIPELINE_LENGTH, LONG, 8), 357e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 358e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET /* a connection with a content-length longer than this 359e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET will not be considered for pipelining */ 360e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET CINIT(CONTENT_LENGTH_PENALTY_SIZE, OFF_T, 9), 361e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 362e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET /* a connection with a chunk length longer than this 363e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET will not be considered for pipelining */ 364e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET CINIT(CHUNK_LENGTH_PENALTY_SIZE, OFF_T, 10), 365e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 366e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET /* a list of site names(+port) that are blacklisted from 367e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET pipelining */ 368e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET CINIT(PIPELINING_SITE_BL, OBJECTPOINT, 11), 369e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 370e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET /* a list of server types that are blacklisted from 371e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET pipelining */ 372e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET CINIT(PIPELINING_SERVER_BL, OBJECTPOINT, 12), 373e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 374e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET /* maximum number of open connections in total */ 375e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET CINIT(MAX_TOTAL_CONNECTIONS, LONG, 13), 376e6cd738ed3716c02557fb3a47515244e949ade39Bertrand SIMONNET 377d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo /* This is the server push callback function pointer */ 378d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo CINIT(PUSHFUNCTION, FUNCTIONPOINT, 14), 379d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo 380d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo /* This is the argument passed to the server push callback */ 381d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo CINIT(PUSHDATA, OBJECTPOINT, 15), 382d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo 3835ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLMOPT_LASTENTRY /* the last unused */ 3845ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen} CURLMoption; 3855ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3865ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3875ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 3885ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_setopt() 3895ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 3905ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: Sets options for the multi handle. 3915ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 3925ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: CURLM error code. 3935ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 3945ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_setopt(CURLM *multi_handle, 3955ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen CURLMoption option, ...); 3965ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3975ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 3985ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen/* 3995ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Name: curl_multi_assign() 4005ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 4015ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Desc: This function sets an association in the multi handle between the 4025ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * given socket and a private pointer of the application. This is 4035ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * (only) useful for curl_multi_socket uses. 4045ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * 4055ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen * Returns: CURLM error code. 4065ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen */ 4075ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian MonsenCURL_EXTERN CURLMcode curl_multi_assign(CURLM *multi_handle, 4085ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen curl_socket_t sockfd, void *sockp); 4095ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 410d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo 411d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo/* 412d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo * Name: curl_push_callback 413d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo * 414d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo * Desc: This callback gets called when a new stream is being pushed by the 415d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo * server. It approves or denies the new stream. 416d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo * 417d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo * Returns: CURL_PUSH_OK or CURL_PUSH_DENY. 418d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo */ 419d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo#define CURL_PUSH_OK 0 420d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo#define CURL_PUSH_DENY 1 421d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo 422d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymostruct curl_pushheaders; /* forward declaration only */ 423d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo 424d15eaac64ca1a7244824d660ea84e8815a23d058Alex DeymoCURL_EXTERN char *curl_pushheader_bynum(struct curl_pushheaders *h, 425d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo size_t num); 426d15eaac64ca1a7244824d660ea84e8815a23d058Alex DeymoCURL_EXTERN char *curl_pushheader_byname(struct curl_pushheaders *h, 427d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo const char *name); 428d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo 429d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymotypedef int (*curl_push_callback)(CURL *parent, 430d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo CURL *easy, 431d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo size_t num_headers, 432d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo struct curl_pushheaders *headers, 433d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo void *userp); 434d15eaac64ca1a7244824d660ea84e8815a23d058Alex Deymo 4355ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#ifdef __cplusplus 4365ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen} /* end of extern "C" */ 4375ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#endif 4385ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen 4395ab5018bf8f0e39957d264f33c3eeddd958ed5d8Kristian Monsen#endif 440