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/*
* Copyright (c) <2002-2006> <Jean-Philippe Barrette-LaPierre>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (curlpp), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* \file
* Multi demo.
*
*/
#include <iostream>
#include <cstdlib>
#include <curlpp/cURLpp.hpp>
#include <curlpp/Easy.hpp>
#include <curlpp/Multi.hpp>
#include <curlpp/Options.hpp>
#include <curlpp/Exception.hpp>
int main(int argc, char *argv[])
{
if(argc < 3) {
std::cerr << "Example 13: Wrong number of arguments" << std::endl
<< "Example 13: Usage: example13 url1 url2"
<< std::endl;
return EXIT_FAILURE;
}
char *url1 = argv[1];
char *url2 = argv[2];
try {
curlpp::Cleanup cleaner;
curlpp::Easy request1;
curlpp::Easy request2;
request1.setOpt(new curlpp::options::Url(url1));
request1.setOpt(new curlpp::options::Verbose(true));
request2.setOpt(new curlpp::options::Url(url2));
request2.setOpt(new curlpp::options::Verbose(true));
int nbLeft;
curlpp::Multi requests;
requests.add(&request1);
requests.add(&request2);
/* we start some action by calling perform right away */
while(!requests.perform(&nbLeft)) {};
while(nbLeft) {
struct timeval timeout;
int rc; /* select() return code */
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
int maxfd;
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;
/* get file descriptors from the transfers */
requests.fdset(&fdread, &fdwrite, &fdexcep, &maxfd);
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
switch(rc) {
case -1:
/* select error */
nbLeft = 0;
printf("select() returns error, this is badness\n");
break;
case 0:
/* timeout, do something else */
break;
default:
/* one or more of curl's file descriptors say there's data to read
or write */
while(!requests.perform(&nbLeft)) {};
break;
}
}
std::cout << "NB lefts: " << nbLeft << std::endl;
/* See how the transfers went */
/*
Multi::info returns a list of:
std::pair< curlpp::Easy, curlpp::Multi::Info >
*/
curlpp::Multi::Msgs msgs = requests.info();
for(curlpp::Multi::Msgs::iterator pos = msgs.begin();
pos != msgs.end();
pos++) {
if(pos->second.msg == CURLMSG_DONE) {
/* Find out which handle this message is about */
if(pos->first == &request1) {
printf("First request completed with status %d\n", pos->second.code);
}
else if(pos->first == &request2) {
printf("Second request completed with status %d\n", pos->second.code);
}
}
}
}
catch ( curlpp::LogicError & e ) {
std::cout << e.what() << std::endl;
}
catch ( curlpp::RuntimeError & e ) {
std::cout << e.what() << std::endl;
}
return EXIT_SUCCESS;
}
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