2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2010 Alexander Barton <alex@barton.de>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 * Please read the file COPYING, README and AUTHORS for more information.
18 * Connection management (header)
21 #include <time.h> /* for time_t, see below */
24 * connection state flags. this is a bitmask -- all values must
25 * be unique and a power of two.
27 * If you introduce new ones in between, make sure to adjust all
30 #define CONN_ISCLOSING 1 /* Conn_Close() already called */
31 #define CONN_ISCONNECTING 2 /* connect() in progress */
32 #define CONN_RFC1459 4 /* RFC 1459 compatibility mode */
34 #define CONN_ZIP 8 /* zlib compressed link */
40 #define CONN_SSL_CONNECT 16 /* wait for ssl connect to finish */
41 #define CONN_SSL 32 /* this connection is SSL encrypted */
42 #define CONN_SSL_WANT_WRITE 64 /* SSL/TLS library needs to write protocol data */
43 #define CONN_SSL_WANT_READ 128 /* SSL/TLS library needs to read protocol data */
44 #define CONN_SSL_FLAGS_ALL (CONN_SSL_CONNECT|CONN_SSL|CONN_SSL_WANT_WRITE|CONN_SSL_WANT_READ)
56 #include "ng_ipaddr.h"
60 typedef struct _ZipData
62 z_stream in; /* "Handle" for input stream */
63 z_stream out; /* "Handle" for output stream */
64 array rbuf; /* Read buffer (compressed) */
65 array wbuf; /* Write buffer (uncompressed) */
66 long bytes_in, bytes_out; /* Counter for statistics (uncompressed!) */
70 typedef struct _Connection
72 int sock; /* Socket handle */
73 ng_ipaddr_t addr; /* Client address */
74 PROC_STAT proc_stat; /* Status of resolver process */
75 char host[HOST_LEN]; /* Hostname */
76 array rbuf; /* Read buffer */
77 array wbuf; /* Write buffer */
78 time_t signon; /* Signon ("connect") time */
79 time_t lastdata; /* Last activity */
80 time_t lastping; /* Last PING */
81 time_t lastprivmsg; /* Last PRIVMSG */
82 time_t delaytime; /* Ignore link ("penalty") */
83 long bytes_in, bytes_out; /* Received and sent bytes */
84 long msg_in, msg_out; /* Received and sent IRC messages */
85 int flag; /* Flag (see "irc-write" module) */
86 UINT16 options; /* Link options / connection state */
87 UINT16 bps; /* bytes processed within last second */
88 CLIENT *client; /* pointer to client structure */
90 ZIPDATA zip; /* Compression information */
93 struct ConnSSL_State ssl_state; /* SSL/GNUTLS state information */
97 GLOBAL CONNECTION *My_Connections;
98 GLOBAL CONN_ID Pool_Size;
101 #endif /* CONN_MODULE */
104 GLOBAL void Conn_Init PARAMS((void ));
105 GLOBAL void Conn_Exit PARAMS(( void ));
107 GLOBAL void Conn_CloseAllSockets PARAMS((void));
109 GLOBAL unsigned int Conn_InitListeners PARAMS(( void ));
110 GLOBAL void Conn_ExitListeners PARAMS(( void ));
112 GLOBAL void Conn_Handler PARAMS(( void ));
114 GLOBAL bool Conn_WriteStr PARAMS(( CONN_ID Idx, const char *Format, ... ));
116 GLOBAL void Conn_Close PARAMS(( CONN_ID Idx, const char *LogMsg, const char *FwdMsg, bool InformClient ));
118 GLOBAL void Conn_SyncServerStruct PARAMS(( void ));
120 GLOBAL CONN_ID Conn_GetFromProc PARAMS((int fd));
121 GLOBAL CLIENT* Conn_GetClient PARAMS((CONN_ID i));
122 GLOBAL PROC_STAT* Conn_GetProcStat PARAMS((CONN_ID i));
124 GLOBAL bool Conn_GetCipherInfo PARAMS((CONN_ID Idx, char *buf, size_t len));
125 GLOBAL bool Conn_UsesSSL PARAMS((CONN_ID Idx));
128 Conn_UsesSSL(UNUSED CONN_ID Idx)
132 GLOBAL long Conn_Count PARAMS((void));
133 GLOBAL long Conn_CountMax PARAMS((void));
134 GLOBAL long Conn_CountAccepted PARAMS((void));
137 GLOBAL void Conn_DebugDump PARAMS((void));