summaryrefslogtreecommitdiffstats
path: root/src/uscxml/server/Socket.h
blob: fcaada407bfb86a310fb6e62bbf8b05aaa89195c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
/**
 *  @file
 *  @author     2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
 *  @copyright  Simplified BSD
 *
 *  @cond
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the FreeBSD license as published by the FreeBSD
 *  project.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 *  You should have received a copy of the FreeBSD license along with this
 *  program. If not, see <http://www.opensource.org/licenses/bsd-license>.
 *  @endcond
 */

#ifndef SOCKETCLIENT_H_9A0B2A88
#define SOCKETCLIENT_H_9A0B2A88

#include "uscxml/Common.h"              // for USCXML_API
#include "uscxml/concurrency/EventBase.h"
#include <string>
#include <map>
#include <set>

#ifdef _WIN32
#	include <winsock2.h>
#else
#	include <netinet/in.h> /* For sockaddr_in */
#endif

#include "uscxml/concurrency/tinythread.h"  // for recursive_mutex, etc

extern "C" {
#include <event2/event.h>
#include <event2/buffer.h>
#include <event2/bufferevent.h>
}

namespace uscxml {

class USCXML_API Socket {
public:
	Socket(int domain, int type, int protocol);
	virtual ~Socket();

	void setBlockSizeRead(size_t size);

protected:

	void setupSockAddr(const std::string& address, int port);

	evutil_socket_t _socketFD;

	tthread::recursive_mutex _mutex;
	size_t _blockSizeRead;
	struct sockaddr_in _sin;

	boost::shared_ptr<EventBase> _base;
};

class USCXML_API ServerSocket : public Socket {
public:
	class Connection {
	public:
		struct bufferevent* bufferEvent;
		int fd;

		void reply(const char* data, size_t size);
	};

	ServerSocket(int domain, int type, int protocol);
	virtual ~ServerSocket();

	void listen(const std::string& address, int port);
	virtual void readCallback(const char* data, size_t size, Connection& conn) {};


protected:
	void bind();
	static void acceptCallback(evutil_socket_t listener, short event, void *ctx);
	static void errorCallback(struct bufferevent *bev, short error, void *ctx);
	static void readCallback(struct bufferevent *bev, void *ctx);

	std::map<struct bufferevent*, Connection> _connections;
	struct event* _listenerEvent;

	static std::set<ServerSocket*> _instances;

};

class USCXML_API ClientSocket : public Socket {
public:
	ClientSocket(int domain, int type, int protocol);
	virtual ~ClientSocket();

	virtual void readCallback(const char* data, size_t size) {};
	void connect(const std::string& address, int port);
	int write(const char* data, size_t size);


protected:
	static void readCallback(struct bufferevent *bev, void *ctx);
	static void errorCallback(struct bufferevent *bev, short error, void *ctx);

	struct bufferevent* _clientEvent;

};


}

#endif /* end of include guard: SOCKETCLIENT_H_9A0B2A88 */