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