1    | #ifndef READ_SOCKET
2    | #define READ_SOCKET
3    | /***************************************
4    |   $Revision: 1.10 $
5    | 
6    |   Socket module (sk)
7    | 
8    |   Status: NOT REVUED, NOT TESTED
9    | 
10   |   ******************/ /******************
11   |   Copyright (c) 1999,2000,2001,2002               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   | 
31   | #include "stubs.h"
32   | 
33   | #ifdef HAVE_SYS_TIME_H
34   | #include <sys/time.h>
35   | #endif /* HAVE_SYS_TIME_H */
36   | 
37   | #ifdef HAVE_UNISTD_H
38   | #include <unistd.h>
39   | #endif /* HAVE_UNISTD_H */
40   | 
41   | /* #include <arpa/inet.h> */
42   | #include <sys/types.h>
43   | #include <sys/socket.h>
44   | #include <netinet/in.h>
45   | #include <netdb.h>
46   | 
47   | #include <pthread.h>
48   | #include <stdlib.h>
49   | #include <errno.h>
50   | #include <fcntl.h>
51   | 
52   | #include <signal.h>
53   | #include <stdio.h>
54   | 
55   | #include "iproutines.h"
56   | 
57   | /* connection data -> helps keep track of all errors etc */
58   | typedef struct {
59   |   int            sock;         /* socket descriptor # */
60   |   struct timeval rd_timeout;   /* preset timeout values */
61   |   struct timeval wr_timeout; 
62   |   unsigned short rtc;          /* RTC flags (reason-to-close) */
63   | 
64   |   pthread_t      watchdog;     /* thread id of the watchdog associated */
65   |   pthread_t      killthis;     /* thread to be killed by watchdog */
66   |   void * (*execthis)(void *);  /* function to be called if watchdog triggers */
67   |   void *         execargs;     /* argument to be passed to that function */
68   |   pthread_mutex_t watchmutex;
69   | 
70   |   unsigned char  lasterr;      /* timeout, interrupt, etc. */
71   |   ip_addr_t rIP;              /* real IP */
72   |   ip_addr_t eIP;              /* effective IP */
73   |   char *ip;                    /* text of the eIP */
74   | } sk_conn_st;
75   | 
76   | /* reasons to close: socket-wise .... */
77   | #define SK_DISCONNECT 0x0001
78   | #define SK_INTERRUPT  0x0002
79   | #define SK_TIMEOUT    0x0004
80   | 
81   | /* ... and user-wise: */
82   | #define SK_NOTEXT     0x0100
83   | 
84   | #ifdef __cplusplus
85   | extern "C" {
86   | #endif
87   | 
88   | 
89   | int SK_atoport(const char *service, const char *proto);
90   | int SK_close(int  socket);
91   | int SK_getsock(int socket_type, unsigned port, int backlog, uint32_t bind_address);
92   | er_ret_t SK_connect(int *sock, char *hostname, unsigned port, unsigned timeout);
93   | int SK_accept_connection(int listening_socket);
94   | int SK_read(int  sockfd, char *buf, size_t count);
95   | int SK_write(int sockfd, 
96   |              const char *buf, 
97   | 	     int count, 
98   | 	     const struct timeval *timeout,
99   | 	     int *count_sent);
100  | int SK_gets(int  sockfd, char *str, size_t count);
101  | int SK_puts(int  sockfd, const char *str, const struct timeval *timeout);
102  | int SK_putc(int  sockfd, char ch, const struct timeval *timeout);
103  | int SK_getc(int  sockfd);
104  | char *SK_getpeername(int sockfd);
105  | int SK_getpeerip(int sockfd, ip_addr_t *ip);
106  | 
107  | void SK_cd_make(sk_conn_st *condat, int sock, unsigned  timeout);
108  | void SK_cd_free(sk_conn_st *condat);
109  | int SK_cd_puts(sk_conn_st *condat, const char *str);
110  | int SK_cd_gets(sk_conn_st *condat, char *str, size_t count);
111  | int SK_cd_close(sk_conn_st *condat);
112  | int SK_cd_printf(sk_conn_st *condat, char *txt, ...)
113  | #ifdef __GNUC__  /* let gcc check the format string for problems */
114  |      __attribute__ ((format (printf, 2, 3)))
115  | #endif
116  |      ;
117  | void SK_init(void);
118  | 
119  | er_ret_t SK_watchstart(sk_conn_st *condat);
120  | er_ret_t SK_watchstop(sk_conn_st *condat);
121  | void SK_watch_setkill(sk_conn_st *condat, pthread_t killthis);
122  | void SK_watch_setexec( sk_conn_st *condat, void *(*function)(void *), void *args);
123  | void SK_watch_setclear(sk_conn_st *condat);
124  | void SK_watchexec(sk_conn_st *condat);
125  | void SK_watchkill(sk_conn_st *condat);
126  | void SK_watchtrigger(sk_conn_st *condat);
127  | 
128  | #ifdef __cplusplus
129  | }
130  | #endif
131  | 
132  | #endif /* READ_SOCKET */