src/include/libpq/libpq.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * libpq.h
   4  *        POSTGRES LIBPQ buffer structure definitions.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL$
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef LIBPQ_H
  15 #define LIBPQ_H
  16
  17 #include <sys/types.h>
  18 #include <netinet/in.h>
  19
  20 #include "lib/stringinfo.h"
  21 #include "libpq/libpq-be.h"
  22
  23 /* ----------------
  24  * PQArgBlock
  25  *              Information (pointer to array of this structure) required
  26  *              for the PQfn() call.  (This probably ought to go somewhere else...)
  27  * ----------------
  28  */
  29 typedef struct
  30 {
  31         int                     len;
  32         int                     isint;
  33         union
  34         {
  35                 int                *ptr;                /* can't use void (dec compiler barfs)   */
  36                 int                     integer;
  37         }                       u;
  38 } PQArgBlock;
  39
  40 /*
  41  * External functions.
  42  */
  43
  44 /*
  45  * prototypes for functions in pqcomm.c
  46  */
  47 extern int StreamServerPort(int family, char *hostName,
  48                  unsigned short portNumber, char *unixSocketName, int ListenSocket[],
  49                                  int MaxListen);
  50 extern int      StreamConnection(int server_fd, Port *port);
  51 extern void StreamClose(int sock);
  52 extern void TouchSocketFile(void);
  53 extern void pq_init(void);
  54 extern void pq_comm_reset(void);
  55 extern int      pq_getbytes(char *s, size_t len);
  56 extern int      pq_getstring(StringInfo s);
  57 extern int      pq_getmessage(StringInfo s, int maxlen);
  58 extern int      pq_getbyte(void);
  59 extern int      pq_peekbyte(void);
  60 extern int      pq_putbytes(const char *s, size_t len);
  61 extern int      pq_flush(void);
  62 extern int      pq_putmessage(char msgtype, const char *s, size_t len);
  63 extern void pq_startcopyout(void);
  64 extern void pq_endcopyout(bool errorAbort);
  65
  66 /*
  67  * prototypes for functions in be-secure.c
  68  */
  69 extern int      secure_initialize(void);
  70 extern bool secure_loaded_verify_locations(void);
  71 extern void secure_destroy(void);
  72 extern int      secure_open_server(Port *port);
  73 extern void secure_close(Port *port);
  74 extern ssize_t secure_read(Port *port, void *ptr, size_t len);
  75 extern ssize_t secure_write(Port *port, void *ptr, size_t len);
  76
  77 #endif   /* LIBPQ_H */