granicus.if.org Git - postgresql/blob - src/interfaces/odbc/socket.h

   1 /* File:                        socket.h
   2  *
   3  * Description:         See "socket.c"
   4  *
   5  * Comments:            See "notice.txt" for copyright and license information.
   6  *
   7  */
   8
   9 #ifndef __SOCKET_H__
  10 #define __SOCKET_H__
  11
  12 #include "psqlodbc.h"
  13
  14 #ifndef WIN32
  15 #include <sys/types.h>
  16 #include <sys/socket.h>
  17 #include <unistd.h>
  18 #include <netdb.h>
  19 #include <netinet/in.h>
  20 #include <arpa/inet.h>
  21
  22 #define closesocket(xxx) close(xxx)
  23 #define SOCKETFD int
  24
  25 #ifndef           INADDR_NONE
  26 #ifndef _IN_ADDR_T
  27 #define _IN_ADDR_T
  28 typedef unsigned int in_addr_t;
  29
  30 #endif
  31 #define INADDR_NONE ((in_addr_t)-1)
  32 #endif
  33
  34 #else
  35 #include <winsock.h>
  36 #define SOCKETFD SOCKET
  37 #endif
  38
  39 #define SOCKET_ALREADY_CONNECTED                        1
  40 #define SOCKET_HOST_NOT_FOUND                           2
  41 #define SOCKET_COULD_NOT_CREATE_SOCKET          3
  42 #define SOCKET_COULD_NOT_CONNECT                        4
  43 #define SOCKET_READ_ERROR                                       5
  44 #define SOCKET_WRITE_ERROR                                      6
  45 #define SOCKET_NULLPOINTER_PARAMETER            7
  46 #define SOCKET_PUT_INT_WRONG_LENGTH                     8
  47 #define SOCKET_GET_INT_WRONG_LENGTH                     9
  48 #define SOCKET_CLOSED                                           10
  49
  50
  51 struct SocketClass_
  52 {
  53
  54         int                     buffer_size;
  55         int                     buffer_filled_in;
  56         int                     buffer_filled_out;
  57         int                     buffer_read_in;
  58         unsigned char *buffer_in;
  59         unsigned char *buffer_out;
  60
  61         SOCKETFD        socket;
  62
  63         char       *errormsg;
  64         int                     errornumber;
  65
  66         char            reverse;                /* used to handle Postgres 6.2 protocol
  67                                                                  * (reverse byte order) */
  68
  69 };
  70
  71 #define SOCK_get_char(self)             (SOCK_get_next_byte(self))
  72 #define SOCK_put_char(self, c)  (SOCK_put_next_byte(self, c))
  73
  74
  75 /* error functions */
  76 #define SOCK_get_errcode(self)          (self->errornumber)
  77 #define SOCK_get_errmsg(self)           (self->errormsg)
  78
  79
  80 /* Socket prototypes */
  81 SocketClass *SOCK_Constructor(const ConnectionClass *conn);
  82 void            SOCK_Destructor(SocketClass *self);
  83 char            SOCK_connect_to(SocketClass *self, unsigned short port, char *hostname);
  84 void            SOCK_get_n_char(SocketClass *self, char *buffer, int len);
  85 void            SOCK_put_n_char(SocketClass *self, char *buffer, int len);
  86 BOOL            SOCK_get_string(SocketClass *self, char *buffer, int bufsize);
  87 void            SOCK_put_string(SocketClass *self, char *string);
  88 int                     SOCK_get_int(SocketClass *self, short len);
  89 void            SOCK_put_int(SocketClass *self, int value, short len);
  90 void            SOCK_flush_output(SocketClass *self);
  91 unsigned char SOCK_get_next_byte(SocketClass *self);
  92 void            SOCK_put_next_byte(SocketClass *self, unsigned char next_byte);
  93 void            SOCK_clear_error(SocketClass *self);
  94
  95 #endif