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: 1.8 $
   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 
  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, const char *buf, size_t count);
  96 int SK_gets(int  sockfd, char *str, size_t count);
  97 int SK_puts(int  sockfd, const char *str);
  98 int SK_putc(int  sockfd, char ch);
  99 int SK_getc(int  sockfd);
 100 char *SK_getpeername(int sockfd);
 101 int SK_getpeerip(int sockfd, ip_addr_t *ip);
 102 
 103 void SK_cd_make(sk_conn_st *condat, int sock, unsigned  timeout);
 104 void SK_cd_free(sk_conn_st *condat);
 105 int SK_cd_puts(sk_conn_st *condat, const char *str);
 106 int SK_cd_gets(sk_conn_st *condat, char *str, size_t count);
 107 int SK_cd_close(sk_conn_st *condat);
 108 int SK_cd_printf(sk_conn_st *condat, char *txt, ...)
 109 #ifdef __GNUC__  /* let gcc check the format string for problems */
 110      __attribute__ ((format (printf, 2, 3)))
 111 #endif
 112      ;
 113 void SK_init(void);
 114 
 115 er_ret_t SK_watchstart(sk_conn_st *condat);
 116 er_ret_t SK_watchstop(sk_conn_st *condat);
 117 void SK_watch_setkill(sk_conn_st *condat, pthread_t killthis);
 118 void SK_watch_setexec( sk_conn_st *condat, void *(*function)(void *), void *args);
 119 void SK_watch_setclear(sk_conn_st *condat);
 120 void SK_watchexec(sk_conn_st *condat);
 121 void SK_watchkill(sk_conn_st *condat);
 122 void SK_watchtrigger(sk_conn_st *condat);
 123 
 124 #ifdef __cplusplus
 125 }
 126 #endif
 127 
 128 #endif /* READ_SOCKET */

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