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127 lines
3.7 KiB
C++

#include <iostream>
#include "webcc/http_client_session.h"
#include "webcc/logger.h"
using namespace webcc;
// -----------------------------------------------------------------------------
#if (defined(WIN32) || defined(_WIN64))
// You need to set environment variable SSL_CERT_FILE properly to enable
// SSL verification.
bool kSslVerify = false;
#else
bool kSslVerify = true;
#endif
// -----------------------------------------------------------------------------
// Examples
void ExampleBasic() {
HttpClientSession session;
auto r = session.Request(HttpRequestArgs{"GET"}
.url("http://httpbin.org/get")
.parameters({"key1", "value1", "key2", "value2"})
.headers({"Accept", "application/json"})
.buffer_size(1000));
std::cout << r->content() << std::endl;
}
// If you want to create the args object firstly, there might be an extra
// call to its move constructor (maybe only for MSVC).
// - constructor: HttpRequestArgs{ "GET" }
// - move constructor: auto args = ...
void ExampleArgs() {
HttpClientSession session;
auto args = HttpRequestArgs{"GET"}
.url("http://httpbin.org/get")
.parameters({"key1", "value1", "key2", "value2"})
.headers({"Accept", "application/json"})
.buffer_size(1000);
// Note the std::move().
session.Request(std::move(args));
}
// Use pre-defined wrappers.
void ExampleWrappers() {
HttpClientSession session;
session.Get("http://httpbin.org/get", {"key1", "value1", "key2", "value2"},
{"Accept", "application/json"},
HttpRequestArgs{}.buffer_size(1000));
session.Post("http://httpbin.org/post", "{'key': 'value'}", true,
{"Accept", "application/json"});
}
// HTTPS is auto-detected from the URL scheme.
void ExampleHttps() {
HttpClientSession session;
auto r = session.Request(HttpRequestArgs{"GET"}
.url("https://httpbin.org/get")
.parameters({"key1", "value1", "key2", "value2"})
.headers({"Accept", "application/json"})
.ssl_verify(kSslVerify));
std::cout << r->content() << std::endl;
}
// Example for testing Keep-Alive connection.
//
// Boost.org doesn't support persistent connection so always includes
// "Connection: Close" header in the response.
// Both Google and GitHub support persistent connection but they don't like
// to include "Connection: Keep-Alive" header in the responses.
//
// ExampleKeepAlive("http://httpbin.org/get");
// ExampleKeepAlive("https://www.boost.org/LICENSE_1_0.txt");
// ExampleKeepAlive("https://www.google.com");
// ExampleKeepAlive("https://api.github.com/events");
//
void ExampleKeepAlive(const std::string& url) {
HttpClientSession session;
// Keep-Alive
session.Request(webcc::HttpRequestArgs("GET").url(url).
ssl_verify(kSslVerify));
// Close
session.Request(webcc::HttpRequestArgs("GET").url(url).
ssl_verify(kSslVerify).
headers({"Connection", "Close"}));
// Keep-Alive
session.Request(webcc::HttpRequestArgs("GET").url(url).
ssl_verify(kSslVerify));
}
void ExampleCompression() {
HttpClientSession session;
auto r = session.Get("http://httpbin.org/gzip");
std::cout << r->content() << std::endl;
r = session.Get("http://httpbin.org/deflate");
std::cout << r->content() << std::endl;
}
int main() {
WEBCC_LOG_INIT("", LOG_CONSOLE);
try {
ExampleBasic();
} catch (const Exception& e) {
std::cout << "Exception: " << e.what() << std::endl;
}
return 0;
}