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1#ifndef BU_SERVER_H
2#define BU_SERVER_H
3
4#include <stdint.h>
5
6#include "bu/fstring.h"
7#include "bu/list.h"
8
9namespace Bu
10{
11 class ServerSocket;
12 class Socket;
13 class Client;
14
15 /**
16 * Core of a network server. This class is distinct from a ServerSocket in
17 * that a ServerSocket is one listening socket, nothing more. Socket will
18 * manage a pool of both ServerSockets and connected Sockets along with
19 * their protocols and buffers.
20 *
21 * To start serving on a new port, use the addPort functions. Each call to
22 * addPort creates a new ServerSocket, starts it listening, and adds it to
23 * the server pool.
24 *
25 * All of the real work is done by scan, which will wait for up
26 * to the timeout set by setTimeout before returning if there is no data
27 * pending. scan should probably be called in some sort of tight
28 * loop, possibly in it's own thread, or in the main control loop.
29 *
30 * In order to use a Server you must subclass it and implement the pure
31 * virtual functions. These allow you to receive notification of events
32 * happening within the server itself, and actually makes it useful.
33 */
34 class Server
35 {
36 public:
37 Server();
38 virtual ~Server();
39
40 void addPort( int nPort, int nPoolSize=40 );
41 void addPort( const FString &sAddr, int nPort, int nPoolSize=40 );
42
43 void scan();
44 void setTimeout( int nTimeoutSec, int nTimeoutUSec=0 );
45
46 void addClient( int nSocket, int nPort );
47
48 virtual void onNewConnection( Client *pClient, int nPort )=0;
49 virtual void onClosedConnection( Client *pClient )=0;
50
51 private:
52 int nTimeoutSec;
53 int nTimeoutUSec;
54 fd_set fdActive;
55 Hash<int,ServerSocket *> hServers;
56 typedef Hash<int,Client *> ClientHash;
57 ClientHash hClients;
58 };
59}
60
61#endif