IXWebSocket/ixwebsocket/IXHttpClient.h
2019-05-16 19:23:32 -07:00

108 lines
3.2 KiB
C++

/*
* IXHttpClient.h
* Author: Benjamin Sergeant
* Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
*/
#pragma once
#include <algorithm>
#include <functional>
#include <mutex>
#include <atomic>
#include <tuple>
#include <memory>
#include <map>
#include "IXSocket.h"
#include "IXWebSocketHttpHeaders.h"
namespace ix
{
enum class HttpErrorCode : int
{
Ok = 0,
CannotConnect = 1,
Timeout = 2,
Gzip = 3,
UrlMalformed = 4,
CannotCreateSocket = 5,
SendError = 6,
ReadError = 7,
CannotReadStatusLine = 8,
MissingStatus = 9,
HeaderParsingError = 10,
MissingLocation = 11,
TooManyRedirects = 12,
ChunkReadError = 13,
CannotReadBody = 14
};
using HttpResponse = std::tuple<int, // status
HttpErrorCode, // error code
WebSocketHttpHeaders,
std::string, // payload
std::string, // error msg
uint64_t, // upload size
uint64_t>; // download size
using HttpParameters = std::map<std::string, std::string>;
using Logger = std::function<void(const std::string&)>;
struct HttpRequestArgs
{
std::string url;
WebSocketHttpHeaders extraHeaders;
std::string body;
int connectTimeout;
int transferTimeout;
bool followRedirects;
int maxRedirects;
bool verbose;
bool compress;
Logger logger;
OnProgressCallback onProgressCallback;
};
class HttpClient {
public:
HttpClient();
~HttpClient();
HttpResponse get(const std::string& url,
const HttpRequestArgs& args);
HttpResponse head(const std::string& url,
const HttpRequestArgs& args);
HttpResponse post(const std::string& url,
const HttpParameters& httpParameters,
const HttpRequestArgs& args);
HttpResponse post(const std::string& url,
const std::string& body,
const HttpRequestArgs& args);
private:
HttpResponse request(const std::string& url,
const std::string& verb,
const std::string& body,
const HttpRequestArgs& args,
int redirects = 0);
std::string serializeHttpParameters(const HttpParameters& httpParameters);
std::string urlEncode(const std::string& value);
void log(const std::string& msg, const HttpRequestArgs& args);
bool gzipInflate(
const std::string& in,
std::string& out);
std::shared_ptr<Socket> _socket;
const static std::string kPost;
const static std::string kGet;
const static std::string kHead;
};
}