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-rw-r--r--src/unstable/itoserver.h147
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diff --git a/src/unstable/itoserver.h b/src/unstable/itoserver.h
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1/*
2 * Copyright (C) 2007-2019 Xagasoft, All rights reserved.
3 *
4 * This file is part of the libbu++ library and is released under the
5 * terms of the license contained in the file LICENSE.
6 */
7
8#ifndef BU_ITO_SERVER_H
9#define BU_ITO_SERVER_H
10
11#include <stdint.h>
12
13#ifndef WIN32
14 #include <sys/select.h>
15#endif
16
17#include "bu/string.h"
18#include "bu/list.h"
19#include "bu/thread.h"
20#include "bu/mutex.h"
21#include "bu/synchroqueue.h"
22#include "bu/hash.h"
23
24#include "bu/clientlink.h"
25#include "bu/clientlinkfactory.h"
26
27namespace Bu
28{
29 class TcpServerSocket;
30 class TcpSocket;
31 class Client;
32
33 /**
34 * Core of a network server. This class is distinct from a ServerSocket in
35 * that a ServerSocket is one listening socket, nothing more. Socket will
36 * manage a pool of both ServerSockets and connected Sockets along with
37 * their protocols and buffers.
38 *
39 * To start serving on a new port, use the addPort functions. Each call to
40 * addPort creates a new ServerSocket, starts it listening, and adds it to
41 * the server pool.
42 *
43 * All of the real work is done by scan, which will wait for up
44 * to the timeout set by setTimeout before returning if there is no data
45 * pending. scan should probably be called in some sort of tight
46 * loop, possibly in it's own thread, or in the main control loop.
47 *
48 * In order to use a Server you must subclass it and implement the pure
49 * virtual functions. These allow you to receive notification of events
50 * happening within the server itself, and actually makes it useful.
51 *@ingroup Threading Serving
52 */
53 class ItoServer : public Thread
54 {
55 friend class ItoClient;
56 friend class SrvClientLinkFactory;
57 public:
58 ItoServer();
59 virtual ~ItoServer();
60
61#ifdef WIN32
62 typedef unsigned int socket_t;
63#else
64 typedef int socket_t;
65#endif
66
67 void addPort( int nPort, int nPoolSize=40 );
68 void addPort( const String &sAddr, int nPort, int nPoolSize=40 );
69
70 //void scan();
71 void setTimeout( int nTimeoutSec, int nTimeoutUSec=0 );
72
73 void addClient( socket_t nSocket, int nPort );
74
75 virtual void onNewConnection( Client *pClient, int nPort )=0;
76 virtual void onClosedConnection( Client *pClient )=0;
77
78 protected:
79 virtual void run();
80
81 private:
82 class SrvClientLink;
83 class ItoClient : public Thread
84 {
85 friend class Bu::ItoServer::SrvClientLink;
86 public:
87 ItoClient( ItoServer &rSrv, socket_t nSocket, int nPort,
88 int nTimeoutSec, int nTimeoutUSec );
89 virtual ~ItoClient();
90
91 typedef SynchroQueue<Bu::String *> StringQueue;
92 StringQueue qMsg;
93
94 protected:
95 virtual void run();
96
97 private:
98 ItoServer &rSrv;
99 Client *pClient;
100 fd_set fdActive;
101 socket_t iSocket;
102 int iPort;
103 int nTimeoutSec;
104 int nTimeoutUSec;
105 Mutex imProto;
106 };
107
108 class SrvClientLink : public Bu::ClientLink
109 {
110 public:
111 SrvClientLink( ItoClient *pClient );
112 virtual ~SrvClientLink();
113
114 virtual void sendMessage( const Bu::String &sMsg );
115
116 private:
117 ItoClient *pClient;
118 };
119
120 class SrvClientLinkFactory : public Bu::ClientLinkFactory
121 {
122 public:
123 SrvClientLinkFactory( ItoServer &rSrv );
124 virtual ~SrvClientLinkFactory();
125
126 virtual Bu::ClientLink *createLink( Bu::Client *pClient );
127
128 private:
129 ItoServer &rSrv;
130 };
131
132 int nTimeoutSec;
133 int nTimeoutUSec;
134 fd_set fdActive;
135 typedef Hash<socket_t,TcpServerSocket *> ServerHash;
136 ServerHash hServers;
137 typedef Hash<socket_t,ItoClient *> ClientHash;
138 typedef SynchroQueue<ItoClient *> ClientQueue;
139 ClientHash hClients;
140 ClientQueue qClientCleanup;
141 Mutex imClients;
142
143 void clientCleanup( socket_t iSocket );
144 };
145}
146
147#endif