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- /*-------------------------------------------------------------------------
- *
- * libpq.h
- * POSTGRES LIBPQ buffer structure definitions.
- *
- *
- * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/include/libpq/libpq.h
- *
- *-------------------------------------------------------------------------
- */
- #ifndef LIBPQ_H
- #define LIBPQ_H
- #include <sys/types.h>
- #include <netinet/in.h>
- #include "lib/stringinfo.h"
- #include "libpq/libpq-be.h"
- #include "storage/latch.h"
- typedef struct
- {
- void (*comm_reset) (void);
- int (*flush) (void);
- int (*flush_if_writable) (void);
- bool (*is_send_pending) (void);
- int (*putmessage) (char msgtype, const char *s, size_t len);
- void (*putmessage_noblock) (char msgtype, const char *s, size_t len);
- void (*startcopyout) (void);
- void (*endcopyout) (bool errorAbort);
- } PQcommMethods;
- extern PGDLLIMPORT PQcommMethods *PqCommMethods;
- #define pq_comm_reset() (PqCommMethods->comm_reset())
- #define pq_flush() (PqCommMethods->flush())
- #define pq_flush_if_writable() (PqCommMethods->flush_if_writable())
- #define pq_is_send_pending() (PqCommMethods->is_send_pending())
- #define pq_putmessage(msgtype, s, len) \
- (PqCommMethods->putmessage(msgtype, s, len))
- #define pq_putmessage_noblock(msgtype, s, len) \
- (PqCommMethods->putmessage_noblock(msgtype, s, len))
- #define pq_startcopyout() (PqCommMethods->startcopyout())
- #define pq_endcopyout(errorAbort) (PqCommMethods->endcopyout(errorAbort))
- /*
- * External functions.
- */
- /*
- * prototypes for functions in pqcomm.c
- */
- extern int StreamServerPort(int family, char *hostName,
- unsigned short portNumber, char *unixSocketDir,
- pgsocket ListenSocket[], int MaxListen);
- extern int StreamConnection(pgsocket server_fd, Port *port);
- extern void StreamClose(pgsocket sock);
- extern void TouchSocketFiles(void);
- extern void RemoveSocketFiles(void);
- extern void pq_init(void);
- extern int pq_getbytes(char *s, size_t len);
- extern int pq_getstring(StringInfo s);
- extern void pq_startmsgread(void);
- extern void pq_endmsgread(void);
- extern bool pq_is_reading_msg(void);
- extern int pq_getmessage(StringInfo s, int maxlen);
- extern int pq_getbyte(void);
- extern int pq_peekbyte(void);
- extern int pq_getbyte_if_available(unsigned char *c);
- extern int pq_putbytes(const char *s, size_t len);
- /*
- * prototypes for functions in be-secure.c
- */
- extern char *ssl_cert_file;
- extern char *ssl_key_file;
- extern char *ssl_ca_file;
- extern char *ssl_crl_file;
- extern int (*pq_putmessage_hook) (char msgtype, const char *s, size_t len);
- extern int (*pq_flush_hook) (void);
- extern int secure_initialize(void);
- extern bool secure_loaded_verify_locations(void);
- extern void secure_destroy(void);
- extern int secure_open_server(Port *port);
- extern void secure_close(Port *port);
- extern ssize_t secure_read(Port *port, void *ptr, size_t len);
- extern ssize_t secure_write(Port *port, void *ptr, size_t len);
- extern ssize_t secure_raw_read(Port *port, void *ptr, size_t len);
- extern ssize_t secure_raw_write(Port *port, const void *ptr, size_t len);
- extern bool ssl_loaded_verify_locations;
- extern WaitEventSet *FeBeWaitSet;
- /* GUCs */
- extern char *SSLCipherSuites;
- extern char *SSLECDHCurve;
- extern bool SSLPreferServerCiphers;
- #endif /* LIBPQ_H */
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