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.
11 * Connection management (header)
19 #include <time.h> /* for time_t, see below */
22 * connection state flags. this is a bitmask -- all values must
23 * be unique and a power of two.
25 * If you introduce new ones in between, make sure to adjust all
28 #define CONN_ISCLOSING 1 /* Conn_Close() already called */
29 #define CONN_ISCONNECTING 2 /* connect() in progress */
30 #define CONN_RFC1459 4 /* RFC 1459 compatibility mode */
32 #define CONN_ZIP 8 /* zlib compressed link */
38 #define CONN_SSL_CONNECT 16 /* wait for ssl connect to finish */
39 #define CONN_SSL 32 /* this connection is SSL encrypted */
40 #define CONN_SSL_WANT_WRITE 64 /* SSL/TLS library needs to write protocol data */
41 #define CONN_SSL_WANT_READ 128 /* SSL/TLS library needs to read protocol data */
42 #define CONN_SSL_FLAGS_ALL (CONN_SSL_CONNECT|CONN_SSL|CONN_SSL_WANT_WRITE|CONN_SSL_WANT_READ)
54 #include "ng_ipaddr.h"
58 typedef struct _ZipData
60 z_stream in; /* "Handle" for input stream */
61 z_stream out; /* "Handle" for output stream */
62 array rbuf; /* Read buffer (compressed) */
63 array wbuf; /* Write buffer (uncompressed) */
64 long bytes_in, bytes_out; /* Counter for statistics (uncompressed!) */
68 typedef struct _Connection
70 int sock; /* Socket handle */
71 ng_ipaddr_t addr; /* Client address */
72 PROC_STAT res_stat; /* Status of resolver process */
73 char host[HOST_LEN]; /* Hostname */
74 array rbuf; /* Read buffer */
75 array wbuf; /* Write buffer */
76 time_t signon; /* Signon ("connect") time */
77 time_t lastdata; /* Last activity */
78 time_t lastping; /* Last PING */
79 time_t lastprivmsg; /* Last PRIVMSG */
80 time_t delaytime; /* Ignore link ("penalty") */
81 long bytes_in, bytes_out; /* Received and sent bytes */
82 long msg_in, msg_out; /* Received and sent IRC messages */
83 int flag; /* Flag (see "irc-write" module) */
84 UINT16 options; /* Link options / connection state */
85 UINT16 bps; /* bytes processed within last second */
86 CLIENT *client; /* pointer to client structure */
88 ZIPDATA zip; /* Compression information */
91 struct ConnSSL_State ssl_state; /* SSL/GNUTLS state information */
95 GLOBAL CONNECTION *My_Connections;
96 GLOBAL CONN_ID Pool_Size;
99 #endif /* CONN_MODULE */
102 GLOBAL void Conn_Init PARAMS((void ));
103 GLOBAL void Conn_Exit PARAMS(( void ));
105 GLOBAL unsigned int Conn_InitListeners PARAMS(( void ));
106 GLOBAL void Conn_ExitListeners PARAMS(( void ));
108 GLOBAL void Conn_Handler PARAMS(( void ));
110 GLOBAL bool Conn_WriteStr PARAMS(( CONN_ID Idx, const char *Format, ... ));
112 GLOBAL void Conn_Close PARAMS(( CONN_ID Idx, const char *LogMsg, const char *FwdMsg, bool InformClient ));
114 GLOBAL void Conn_SyncServerStruct PARAMS(( void ));
116 GLOBAL CLIENT* Conn_GetClient PARAMS((CONN_ID i));
118 GLOBAL bool Conn_GetCipherInfo PARAMS((CONN_ID Idx, char *buf, size_t len));
119 GLOBAL bool Conn_UsesSSL PARAMS((CONN_ID Idx));
121 static inline bool Conn_UsesSSL(UNUSED CONN_ID Idx) { return false; }
124 GLOBAL long Conn_Count PARAMS((void));
125 GLOBAL long Conn_CountMax PARAMS((void));
126 GLOBAL long Conn_CountAccepted PARAMS((void));