Annotation of ircnowd/src/ngircd/conn.h, Revision 1.1.1.1
1.1 tomglok 1: /*
2: * ngIRCd -- The Next Generation IRC Daemon
3: * Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors.
4: *
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.
10: */
11:
12: #ifndef __conn_h__
13: #define __conn_h__
14:
15: /**
16: * @file
17: * Connection management (header)
18: */
19:
20: #include <time.h> /* for time_t, see below */
21:
22: /*
23: * connection state flags. this is a bitmask -- all values must
24: * be unique and a power of two.
25: *
26: * If you introduce new ones in between, make sure to adjust all
27: * remaining ones.
28: */
29: #define CONN_ISCLOSING 1 /* Conn_Close() already called */
30: #define CONN_ISCONNECTING 2 /* connect() in progress */
31: #define CONN_RFC1459 4 /* RFC 1459 compatibility mode */
32: #ifdef ZLIB
33: #define CONN_ZIP 8 /* zlib compressed link */
34: #endif
35:
36: #include "conf-ssl.h"
37:
38: #ifdef SSL_SUPPORT
39: #define CONN_SSL_CONNECT 16 /* wait for ssl connect to finish */
40: #define CONN_SSL 32 /* this connection is SSL encrypted */
41: #define CONN_SSL_WANT_WRITE 64 /* SSL/TLS library needs to write protocol data */
42: #define CONN_SSL_WANT_READ 128 /* SSL/TLS library needs to read protocol data */
43: #define CONN_SSL_FLAGS_ALL (CONN_SSL_CONNECT|CONN_SSL|CONN_SSL_WANT_WRITE|CONN_SSL_WANT_READ)
44: #endif
45: typedef int CONN_ID;
46:
47: #include "client.h"
48: #include "proc.h"
49:
50: #ifdef CONN_MODULE
51:
52: #include "defines.h"
53: #include "array.h"
54: #include "tool.h"
55: #include "ng_ipaddr.h"
56:
57: #ifdef ICONV
58: # include <iconv.h>
59: #endif
60:
61: #ifdef ZLIB
62: #include <zlib.h>
63: typedef struct _ZipData
64: {
65: z_stream in; /* "Handle" for input stream */
66: z_stream out; /* "Handle" for output stream */
67: array rbuf; /* Read buffer (compressed) */
68: array wbuf; /* Write buffer (uncompressed) */
69: long bytes_in, bytes_out; /* Counter for statistics (uncompressed!) */
70: } ZIPDATA;
71: #endif /* ZLIB */
72:
73: typedef struct _Connection
74: {
75: int sock; /* Socket handle */
76: ng_ipaddr_t addr; /* Client address */
77: PROC_STAT proc_stat; /* Status of resolver process */
78: char host[HOST_LEN]; /* Hostname */
79: char *pwd; /* password received of the client */
80: array rbuf; /* Read buffer */
81: array wbuf; /* Write buffer */
82: time_t signon; /* Signon ("connect") time */
83: time_t lastdata; /* Last activity */
84: time_t lastping; /* Last PING */
85: time_t lastprivmsg; /* Last PRIVMSG */
86: time_t delaytime; /* Ignore link ("penalty") */
87: long bytes_in, bytes_out; /* Received and sent bytes */
88: long msg_in, msg_out; /* Received and sent IRC messages */
89: int flag; /* Flag (see "irc-write" module) */
90: UINT16 options; /* Link options / connection state */
91: UINT16 bps; /* bytes processed within last second */
92: CLIENT *client; /* pointer to client structure */
93: #ifdef ZLIB
94: ZIPDATA zip; /* Compression information */
95: #endif /* ZLIB */
96: #ifdef SSL_SUPPORT
97: struct ConnSSL_State ssl_state; /* SSL/GNUTLS state information */
98: #endif
99: #ifndef STRICT_RFC
100: long auth_ping; /** PING response expected on login */
101: #endif
102: #ifdef ICONV
103: iconv_t iconv_from; /** iconv: convert from client to server */
104: iconv_t iconv_to; /** iconv: convert from server to client */
105: #endif
106: } CONNECTION;
107:
108:
109: #ifdef CONN_MODULE_GLOBAL_INIT
110: CONNECTION *My_Connections;
111: CONN_ID Pool_Size;
112: long WCounter;
113: #else
114: extern CONNECTION *My_Connections;
115: extern CONN_ID Pool_Size;
116: extern long WCounter;
117: #endif
118:
119:
120: #define CONNECTION2ID(x) (long)(x - My_Connections)
121:
122: #endif /* CONN_MODULE */
123:
124:
125: GLOBAL void Conn_Init PARAMS((void ));
126: GLOBAL void Conn_Exit PARAMS(( void ));
127:
128: GLOBAL void Conn_CloseAllSockets PARAMS((int ExceptOf));
129:
130: GLOBAL unsigned int Conn_InitListeners PARAMS(( void ));
131: GLOBAL void Conn_ExitListeners PARAMS(( void ));
132:
133: GLOBAL void Conn_StartLogin PARAMS((CONN_ID Idx));
134:
135: GLOBAL void Conn_Handler PARAMS(( void ));
136:
137: GLOBAL bool Conn_WriteStr PARAMS(( CONN_ID Idx, const char *Format, ... ));
138:
139: GLOBAL char* Conn_Password PARAMS(( CONN_ID Idx ));
140: GLOBAL void Conn_SetPassword PARAMS(( CONN_ID Idx, const char *Pwd ));
141:
142: GLOBAL void Conn_Close PARAMS(( CONN_ID Idx, const char *LogMsg, const char *FwdMsg, bool InformClient ));
143:
144: GLOBAL void Conn_SyncServerStruct PARAMS(( void ));
145:
146: GLOBAL CONN_ID Conn_GetFromProc PARAMS((int fd));
147: GLOBAL CLIENT* Conn_GetClient PARAMS((CONN_ID i));
148: GLOBAL PROC_STAT* Conn_GetProcStat PARAMS((CONN_ID i));
149:
150: GLOBAL char *Conn_GetCertFp PARAMS((CONN_ID Idx));
151: GLOBAL bool Conn_SetCertFp PARAMS((CONN_ID Idx, const char *fingerprint));
152: GLOBAL bool Conn_UsesSSL PARAMS((CONN_ID Idx));
153:
154: #ifdef SSL_SUPPORT
155: GLOBAL bool Conn_GetCipherInfo PARAMS((CONN_ID Idx, char *buf, size_t len));
156: #endif
157:
158: GLOBAL const char *Conn_GetIPAInfo PARAMS((CONN_ID Idx));
159:
160: GLOBAL long Conn_Count PARAMS((void));
161: GLOBAL long Conn_CountMax PARAMS((void));
162: GLOBAL long Conn_CountAccepted PARAMS((void));
163:
164: #ifndef STRICT_RFC
165: GLOBAL long Conn_GetAuthPing PARAMS((CONN_ID Idx));
166: GLOBAL void Conn_SetAuthPing PARAMS((CONN_ID Idx, long ID));
167: #endif
168:
169: #ifdef DEBUG
170: GLOBAL void Conn_DebugDump PARAMS((void));
171: #endif
172:
173: #endif
174:
175: /* -eof- */
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