119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/*-------------------------------------------------------------------------
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*
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* libpq.h
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* POSTGRES LIBPQ buffer structure definitions.
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*
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*
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* Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/libpq/libpq.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef LIBPQ_H
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#define LIBPQ_H
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#include <sys/types.h>
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#include <netinet/in.h>
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#include "lib/stringinfo.h"
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#include "libpq/libpq-be.h"
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/* ----------------
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* PQArgBlock
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* Information (pointer to array of this structure) required
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* for the PQfn() call. (This probably ought to go somewhere else...)
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* ----------------
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*/
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typedef struct
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{
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int len;
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int isint;
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union
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{
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int *ptr; /* can't use void (dec compiler barfs) */
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int integer;
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} u;
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} PQArgBlock;
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typedef struct
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{
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void (*comm_reset)(void);
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int (*flush)(void);
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int (*flush_if_writable)(void);
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bool (*is_send_pending)(void);
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int (*putmessage)(char msgtype, const char *s, size_t len);
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void (*putmessage_noblock)(char msgtype, const char *s, size_t len);
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void (*startcopyout)(void);
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void (*endcopyout)(bool errorAbort);
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} PQcommMethods;
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extern PGDLLIMPORT PQcommMethods *PqCommMethods;
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#define pq_comm_reset() (PqCommMethods->comm_reset())
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#define pq_flush() (PqCommMethods->flush())
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#define pq_flush_if_writable() (PqCommMethods->flush_if_writable())
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#define pq_is_send_pending() (PqCommMethods->is_send_pending())
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#define pq_putmessage(msgtype, s, len) \
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(PqCommMethods->putmessage(msgtype, s, len))
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#define pq_putmessage_noblock(msgtype, s, len) \
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(PqCommMethods->putmessage(msgtype, s, len))
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#define pq_startcopyout() (PqCommMethods->startcopyout())
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#define pq_endcopyout(errorAbort) (PqCommMethods->endcopyout(errorAbort))
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/*
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* External functions.
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*/
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/*
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* prototypes for functions in pqcomm.c
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*/
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extern int StreamServerPort(int family, char *hostName,
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unsigned short portNumber, char *unixSocketDir,
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pgsocket ListenSocket[], int MaxListen);
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extern int StreamConnection(pgsocket server_fd, Port *port);
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extern void StreamClose(pgsocket sock);
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extern void TouchSocketFiles(void);
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extern void pq_init(void);
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extern int pq_getbytes(char *s, size_t len);
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extern int pq_getstring(StringInfo s);
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extern void pq_startmsgread(void);
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extern void pq_endmsgread(void);
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extern bool pq_is_reading_msg(void);
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extern int pq_getmessage(StringInfo s, int maxlen);
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extern int pq_getbyte(void);
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extern int pq_peekbyte(void);
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extern int pq_getbyte_if_available(unsigned char *c);
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extern int pq_putbytes(const char *s, size_t len);
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/*
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* prototypes for functions in be-secure.c
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*/
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extern char *ssl_cert_file;
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extern char *ssl_key_file;
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extern char *ssl_ca_file;
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extern char *ssl_crl_file;
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extern int (*pq_putmessage_hook)(char msgtype, const char *s, size_t len);
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extern int (*pq_flush_hook)(void);
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extern int secure_initialize(void);
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extern bool secure_loaded_verify_locations(void);
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extern void secure_destroy(void);
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extern int secure_open_server(Port *port);
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extern void secure_close(Port *port);
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extern ssize_t secure_read(Port *port, void *ptr, size_t len);
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extern ssize_t secure_write(Port *port, void *ptr, size_t len);
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extern ssize_t secure_raw_read(Port *port, void *ptr, size_t len);
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extern ssize_t secure_raw_write(Port *port, const void *ptr, size_t len);
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extern bool ssl_loaded_verify_locations;
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/* GUCs */
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extern char *SSLCipherSuites;
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extern char *SSLECDHCurve;
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extern bool SSLPreferServerCiphers;
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#endif /* LIBPQ_H */
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