IXWebSocket/ixwebsocket/IXHttpClient.h
Benjamin Sergeant 2c86fd947f Feature/http (#16)
* add skeleton and broken http client code.

GET returns "Resource temporarily unavailable" errors...

* linux compile fix

* can GET some pages

* Update formatting in README.md

* unittest for sending large messages

* document bug

* Feature/send large message (#14)

* introduce send fragment

* can pass a fin frame

* can send messages which are a perfect multiple of the chunk size

* set fin only for last fragment

* cleanup

* last fragment should be of type CONTINUATION

* Add simple send and receive programs

* speedups receiving + better way to wait for thing

* receive speedup by using linked list of chunks instead of large array

* document bug

* use chunks to receive data

* trailing spaces

* Update README.md

Add note about message fragmentation.

* Feature/ws cli (#15)

* New command line tool for transfering files / still very beta.

* add readme

* use cli11 for argument parsing

* json -> msgpack

* stop using base64 and use binary which can be stored in message pack

* add target for building with homebrew

* all CMakeLists are referenced by the top level one

* add ws_chat and ws_connect sub commands to ws

* cleanup

* add echo and broadcast server as ws sub-commands

* add gitignore

* comments

* ping pong added to ws

* mv cobra_publisher under ws folder

* Update README.md

* linux build fix

* linux build fix

* move http_client to a ws sub-command

* simple HTTP post support (urlencode parameters)

* can specify extra headers

* chunk encoding / simple redirect support / -I option

* follow redirects is optional

* make README vim markdown plugin friendly

* cleanup argument parsing + add socket creation factory

* add missing file

* http gzip compression

* cleanup

* doc

* Feature/send large message (#14)

* introduce send fragment

* can pass a fin frame

* can send messages which are a perfect multiple of the chunk size

* set fin only for last fragment

* cleanup

* last fragment should be of type CONTINUATION

* Add simple send and receive programs

* speedups receiving + better way to wait for thing

* receive speedup by using linked list of chunks instead of large array

* document bug

* use chunks to receive data

* trailing spaces
2019-02-28 21:54:03 -08:00

107 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 HttpErrorCode
{
HttpErrorCode_Ok = 0,
HttpErrorCode_CannotConnect = 1,
HttpErrorCode_Timeout = 2,
HttpErrorCode_Gzip = 3,
HttpErrorCode_UrlMalformed = 4,
HttpErrorCode_CannotCreateSocket = 5,
HttpErrorCode_SendError = 6,
HttpErrorCode_ReadError = 7,
HttpErrorCode_CannotReadStatusLine = 8,
HttpErrorCode_MissingStatus = 9,
HttpErrorCode_HeaderParsingError = 10,
HttpErrorCode_MissingLocation = 11,
HttpErrorCode_TooManyRedirects = 12,
HttpErrorCode_ChunkReadError = 13,
HttpErrorCode_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;
};
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;
};
}