92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
#include "network.hpp"
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#include <iostream>
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#include <memory>
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size_t writeCallback( void *contents, size_t size, size_t nmemb,
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void *target ) {
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*static_cast< std::string * >( target ) +=
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std::string( static_cast< char * >( contents ), size * nmemb );
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return size * nmemb;
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}
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Request::Request() {
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curl_global_init( CURL_GLOBAL_ALL );
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_curl_handle = curl_easy_init();
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if ( _curl_handle == NULL ) {
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std::cerr << "ERROR curl_easy_init" << std::endl;
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}
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curl_easy_setopt( _curl_handle, CURLOPT_WRITEFUNCTION, writeCallback );
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curl_easy_setopt( _curl_handle, CURLOPT_USERAGENT, "libcurl-agent/1.0" );
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}
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Request::~Request() {
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curl_easy_cleanup( _curl_handle );
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curl_slist_free_all( _chunk );
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curl_global_cleanup();
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}
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void cleanUp( CURL *curl_handle ) {
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curl_easy_setopt( curl_handle, CURLOPT_POST, 0 );
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curl_easy_setopt( curl_handle, CURLOPT_POSTFIELDS, "" );
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}
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std::string Request::get( const std::string &url ) {
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// get rid of garbage
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cleanUp( _curl_handle );
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std::string response;
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response.reserve( 100000 );
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curl_easy_setopt( _curl_handle, CURLOPT_WRITEDATA,
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static_cast< void * >( &response ) );
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curl_easy_setopt( _curl_handle, CURLOPT_URL, ( _server + url ).c_str() );
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curl_easy_setopt( _curl_handle, CURLOPT_HTTPGET, 1 );
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auto res = curl_easy_perform( _curl_handle );
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if ( res != CURLE_OK ) {
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std::cerr << "curl_easy_perform() failed: " << curl_easy_strerror( res )
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<< std::endl;
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return "";
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}
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return response;
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}
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std::string Request::post( const std::string &url, const std::string &data ) {
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std::string response;
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response.reserve( 100000 );
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curl_easy_setopt( _curl_handle, CURLOPT_URL, ( _server + url ).c_str() );
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curl_easy_setopt( _curl_handle, CURLOPT_POST, 1 );
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curl_easy_setopt( _curl_handle, CURLOPT_POSTFIELDS, data.c_str() );
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curl_easy_setopt( _curl_handle, CURLOPT_WRITEDATA,
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static_cast< void * >( &response ) );
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auto res = curl_easy_perform( _curl_handle );
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if ( res != CURLE_OK ) {
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std::cerr << "curl_easy_perform() failed: " << curl_easy_strerror( res )
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<< std::endl;
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return "";
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}
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return response;
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}
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void Request::addHeader( const std::string &header ) {
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_chunk = curl_slist_append( _chunk, header.c_str() );
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curl_easy_setopt( _curl_handle, CURLOPT_HTTPHEADER, _chunk );
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}
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void Request::clearHeader() {
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curl_slist_free_all( _chunk );
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_chunk = nullptr;
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curl_easy_setopt( _curl_handle, CURLOPT_HTTPHEADER, _chunk );
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}
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bool Request::initSuccessful() {
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return _curl_handle != nullptr;
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}
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void Request::setServer( const std::string &server ) {
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_server = server;
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}
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int Request::lastResponseCode() {
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long code{};
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curl_easy_getinfo( _curl_handle, CURLINFO_RESPONSE_CODE, &code );
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return code;
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}
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