Created
May 5, 2014 20:12
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cURL C++ Example
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#include <iostream> | |
#include <string> | |
#include <curl/curl.h> | |
static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) | |
{ | |
((std::string*)userp)->append((char*)contents, size * nmemb); | |
return size * nmemb; | |
} | |
int main(void) | |
{ | |
CURL *curl; | |
CURLcode res; | |
std::string readBuffer; | |
curl = curl_easy_init(); | |
if(curl) { | |
curl_easy_setopt(curl, CURLOPT_URL, "http://www.google.com"); | |
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback); | |
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer); | |
res = curl_easy_perform(curl); | |
curl_easy_cleanup(curl); | |
std::cout << readBuffer << std::endl; | |
} | |
return 0; | |
} |
I developed a client which is receiving data from server occasionally. But when I receive first data, then program exists. I tried while loop like windows message loop, but it gives me last data.
How can I stay in program so that I can receive more messages from server.
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@hasirciogli
-lcurl
library when you compiled, hence the "unresolved external symbol" errors.https://example.com
does not support--http3
, yet; you could test this using any HTTP/3 verifier.Try using any of the HTTP/3 supported websites, some are mentioned here.
https://quic.tech
but received acurl_easy_perform() failed: SSL connect error
error.Most probably because I don't have the OpenSSL libraries installed, and this is expected.
But the code itself is executing fine.
Hope that helps :)