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Diffstat (limited to 'plugins/FTPFileYM/curl/docs/examples/multi-app.c')
-rw-r--r-- | plugins/FTPFileYM/curl/docs/examples/multi-app.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/plugins/FTPFileYM/curl/docs/examples/multi-app.c b/plugins/FTPFileYM/curl/docs/examples/multi-app.c new file mode 100644 index 0000000000..a5f71c5ac6 --- /dev/null +++ b/plugins/FTPFileYM/curl/docs/examples/multi-app.c @@ -0,0 +1,153 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al. + * + * This software is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at http://curl.haxx.se/docs/copyright.html. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ***************************************************************************/ +/* This is an example application source code using the multi interface. */ + +#include <stdio.h> +#include <string.h> + +/* somewhat unix-specific */ +#include <sys/time.h> +#include <unistd.h> + +/* curl stuff */ +#include <curl/curl.h> + +/* + * Download a HTTP file and upload an FTP file simultaneously. + */ + +#define HANDLECOUNT 2 /* Number of simultaneous transfers */ +#define HTTP_HANDLE 0 /* Index for the HTTP transfer */ +#define FTP_HANDLE 1 /* Index for the FTP transfer */ + +int main(void) +{ + CURL *handles[HANDLECOUNT]; + CURLM *multi_handle; + + int still_running; /* keep number of running handles */ + int i; + + CURLMsg *msg; /* for picking up messages with the transfer status */ + int msgs_left; /* how many messages are left */ + + /* Allocate one CURL handle per transfer */ + for (i=0; i<HANDLECOUNT; i++) + handles[i] = curl_easy_init(); + + /* set the options (I left out a few, you'll get the point anyway) */ + curl_easy_setopt(handles[HTTP_HANDLE], CURLOPT_URL, "http://example.com"); + + curl_easy_setopt(handles[FTP_HANDLE], CURLOPT_URL, "ftp://example.com"); + curl_easy_setopt(handles[FTP_HANDLE], CURLOPT_UPLOAD, 1L); + + /* init a multi stack */ + multi_handle = curl_multi_init(); + + /* add the individual transfers */ + for (i=0; i<HANDLECOUNT; i++) + curl_multi_add_handle(multi_handle, handles[i]); + + /* we start some action by calling perform right away */ + curl_multi_perform(multi_handle, &still_running); + + do { + struct timeval timeout; + int rc; /* select() return code */ + + fd_set fdread; + fd_set fdwrite; + fd_set fdexcep; + int maxfd = -1; + + long curl_timeo = -1; + + FD_ZERO(&fdread); + FD_ZERO(&fdwrite); + FD_ZERO(&fdexcep); + + /* set a suitable timeout to play around with */ + timeout.tv_sec = 1; + timeout.tv_usec = 0; + + curl_multi_timeout(multi_handle, &curl_timeo); + if(curl_timeo >= 0) { + timeout.tv_sec = curl_timeo / 1000; + if(timeout.tv_sec > 1) + timeout.tv_sec = 1; + else + timeout.tv_usec = (curl_timeo % 1000) * 1000; + } + + /* get file descriptors from the transfers */ + curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd); + + /* In a real-world program you OF COURSE check the return code of the + function calls. On success, the value of maxfd is guaranteed to be + greater or equal than -1. We call select(maxfd + 1, ...), specially in + case of (maxfd == -1), we call select(0, ...), which is basically equal + to sleep. */ + + rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout); + + switch(rc) { + case -1: + /* select error */ + break; + case 0: /* timeout */ + default: /* action */ + curl_multi_perform(multi_handle, &still_running); + break; + } + } while(still_running); + + /* See how the transfers went */ + while ((msg = curl_multi_info_read(multi_handle, &msgs_left))) { + if (msg->msg == CURLMSG_DONE) { + int idx, found = 0; + + /* Find out which handle this message is about */ + for (idx=0; idx<HANDLECOUNT; idx++) { + found = (msg->easy_handle == handles[idx]); + if(found) + break; + } + + switch (idx) { + case HTTP_HANDLE: + printf("HTTP transfer completed with status %d\n", msg->data.result); + break; + case FTP_HANDLE: + printf("FTP transfer completed with status %d\n", msg->data.result); + break; + } + } + } + + curl_multi_cleanup(multi_handle); + + /* Free the CURL handles */ + for (i=0; i<HANDLECOUNT; i++) + curl_easy_cleanup(handles[i]); + + return 0; +} |