include/sk.h
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FUNCTIONS
This source file includes following functions.
1 #ifndef READ_SOCKET
2 #define READ_SOCKET
3 /***************************************
4 $Revision: 1.1 $
5
6 Socket module (sk)
7
8 Status: NOT REVUED, NOT TESTED
9
10 ******************/ /******************
11 Copyright (c) 1999 RIPE NCC
12
13 All Rights Reserved
14
15 Permission to use, copy, modify, and distribute this software and its
16 documentation for any purpose and without fee is hereby granted,
17 provided that the above copyright notice appear in all copies and that
18 both that copyright notice and this permission notice appear in
19 supporting documentation, and that the name of the author not be
20 used in advertising or publicity pertaining to distribution of the
21 software without specific, written prior permission.
22
23 THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
24 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
25 AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
26 DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
27 AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
28 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
29 ***************************************/
30 #include <sys/types.h>
31 #include <sys/socket.h>
32 #include <netinet/in.h>
33
34 #ifdef _LINUX
35 #include <sys/time.h>
36 #include <unistd.h>
37 #include <pthread.h>
38 #endif
39
40 #include <stdlib.h>
41 #include <errno.h>
42 #include <netdb.h>
43
44 #include <signal.h>
45 #include <stdio.h>
46
47 #include <iproutines.h>
48
49 /* connection data -> helps keep track of all errors etc */
50 typedef struct {
51 int sock; /* socket descriptor # */
52 struct timeval rd_timeout; /* preset timeout values */
53 struct timeval wr_timeout;
54 unsigned short rtc; /* RTC flags (reason-to-close) */
55
56 pthread_t watchdog; /* thread id of the watchdog associated */
57 pthread_t killthis; /* thread to be killed by watchdog */
58 void * (*execthis)(void *); /* function to be called if watchdog triggers */
59 void * execargs; /* argument to be passed to that function */
60 pthread_mutex_t watchmutex;
61
62 unsigned char lasterr; /* timeout, interrupt, etc. */
63 ip_addr_t rIP; /* real IP */
64 ip_addr_t eIP; /* effective IP */
65 char *ip; /* text of the eIP */
66 } sk_conn_st;
67
68 /* reasons to close: socket-wise .... */
69 #define SK_DISCONNECT 0x0001
70 #define SK_INTERRUPT 0x0002
71 #define SK_TIMEOUT 0x0004
72
73 /* ... and user-wise: */
74 #define SK_NOTEXT 0x0100
75
76 int SK_atoport(const char *service, const char *proto);
77 int SK_close(int socket);
78 int SK_getsock(int socket_type, u_short port, uint32_t bind_address);
79 int SK_accept_connection(int listening_socket);
80 int SK_read(int sockfd, char *buf, size_t count);
81 int SK_write(int sockfd, const char *buf, size_t count);
82 int SK_gets(int sockfd, char *str, size_t count);
83 int SK_puts(int sockfd, const char *str);
84 int SK_putc(int sockfd, char ch);
85 int SK_getc(int sockfd);
86 char *SK_getpeername(int sockfd);
87 int SK_getpeerip(int sockfd, ip_addr_t *ip);
88 int SK_cd_puts(sk_conn_st *condat, const char *str);
89 int SK_cd_gets(sk_conn_st *condat, char *str, size_t count);
90 int SK_cd_close(sk_conn_st *condat);
91 int SK_cd_printf(sk_conn_st *condat, char *txt, ...)
92 #ifdef __GNUC__ /* let gcc check the format string for problems */
93 __attribute__ ((format (printf, 2, 3)))
94 #endif
95 ;
96 void SK_init(void);
97
98 #endif /* READ_SOCKET */
99
100 er_ret_t SK_watchstart(sk_conn_st *condat);
101 er_ret_t SK_watchstop(sk_conn_st *condat);
102 void SK_watch_setkill(sk_conn_st *condat, pthread_t killthis);
103 void SK_watch_setexec( sk_conn_st *condat, void *(*function)(void *), void *args);
104 void SK_watch_setclear(sk_conn_st *condat);
105 void SK_watchexec(sk_conn_st *condat);
106 void SK_watchkill(sk_conn_st *condat);
107 void SK_watchtrigger(sk_conn_st *condat);