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/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* $Id$
*/
/*
* This code sets up multiple easy handles that transfer a single file from
* the same URL, in a serial manner after each other. Due to the connection
* sharing within the multi handle all transfers are performed on the same
* persistent connection.
*
* This source code is used for lib526 _and_ lib527 with only #ifdefs
* controlling the small differences. lib526 closes all easy handles after
* they all have transfered the file over the single connection, while lib527
* closes each easy handle after each single transfer. 526 and 527 use FTP,
* while 528 uses the lib526 tool but use HTTP.
*/
#include "test.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define NUM_HANDLES 4
int test(char *URL)
{
int res = 0;
CURL *curl[NUM_HANDLES];
int running;
char done=FALSE;
CURLM *m;
int current=0;
int i;
/* In windows, this will init the winsock stuff */
curl_global_init(CURL_GLOBAL_ALL);
m = curl_multi_init();
/* get NUM_HANDLES easy handles */
for(i=0; i < NUM_HANDLES; i++) {
curl[i] = curl_easy_init();
if(!curl[i])
return 100 + i; /* major bad */
curl_easy_setopt(curl[i], CURLOPT_URL, URL);
/* go verbose */
curl_easy_setopt(curl[i], CURLOPT_VERBOSE, 1);
/* include headers */
curl_easy_setopt(curl[i], CURLOPT_HEADER, 1);
res = (int)curl_multi_add_handle(m, curl[i]);
}
curl_multi_setopt(m, CURLMOPT_PIPELINING, 1);
fprintf(stderr, "Start at URL 0\n");
while(!done) {
fd_set rd, wr, exc;
int max_fd;
struct timeval interval;
interval.tv_sec = 1;
interval.tv_usec = 0;
while (res == CURLM_CALL_MULTI_PERFORM) {
res = (int)curl_multi_perform(m, &running);
if (running <= 0) {
done = TRUE; /* bail out */
break;
}
}
if(done)
break;
if (res != CURLM_OK) {
fprintf(stderr, "not okay???\n");
break;
}
FD_ZERO(&rd);
FD_ZERO(&wr);
FD_ZERO(&exc);
max_fd = 0;
if (curl_multi_fdset(m, &rd, &wr, &exc, &max_fd) != CURLM_OK) {
fprintf(stderr, "unexpected failured of fdset.\n");
res = 189;
break;
}
if (select(max_fd+1, &rd, &wr, &exc, &interval) == -1) {
fprintf(stderr, "bad select??\n");
res = 195;
break;
}
res = CURLM_CALL_MULTI_PERFORM;
}
/* get NUM_HANDLES easy handles */
for(i=0; i < NUM_HANDLES; i++) {
curl_multi_remove_handle(m, curl[i]);
curl_easy_cleanup(curl[i]);
}
curl_multi_cleanup(m);
curl_global_cleanup();
return res;
}
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