Z39.50 connection (low-level client) More...

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <assert.h>
#include <yaz/log.h>
#include <yaz/comstack.h>
#include <yaz/tcpip.h>
#include "connection.h"
#include "session.h"
#include "client.h"
#include "settings.h"

Data Structures
struct	connection
	Represents a physical, reusable connection to a remote Z39.50 host. More...

Functions
static int	connection_use (int delta)

int	connections_count (void)

static int	connection_connect (struct connection *con, iochan_man_t iochan_man)

ZOOM_connection	connection_get_link (struct connection *co)

void	connection_mark_dead (struct connection *co)

static void	connection_destroy (struct connection *co)

static struct connection *	connection_create (struct client cl, const char url, const char *zproxy, int operation_timeout, int session_timeout, iochan_man_t iochan_man)

static void	non_block_events (struct connection *co)

static void	iochan_update (struct connection *co)

void	connection_continue (struct connection *co)

static void	connection_handler (IOCHAN iochan, int event)

void	connection_release2 (struct connection *co)

int	client_prep_connection (struct client cl, int operation_timeout, int session_timeout, iochan_man_t iochan_man, const struct timeval abstime)

Variables
static YAZ_MUTEX	g_mutex = 0

static int	no_connections = 0

static int	total_no_connections = 0

Detailed Description

Z39.50 connection (low-level client)

Definition in file connection.c.

Function Documentation

◆ client_prep_connection()

int client_prep_connection	(	struct client *	cl,
		int	operation_timeout,
		int	session_timeout,
		iochan_man_t	iochan_man,
		const struct timeval *	abstime
	)

Definition at line 471 of file connection.c.

References client_get_connection(), client_get_database(), client_get_id(), connection_create(), session_database::database, database::id, connection::link, PZ_URL, PZ_ZPROXY, session_setting_oneval(), and session_timeout().

Referenced by client_start_search().

◆ connection_connect()

static int connection_connect	(	struct connection *	con,
		iochan_man_t	iochan_man
	)

static

Definition at line 328 of file connection.c.

References Client_Connecting, Client_Error, client_get_database(), client_get_id(), client_get_session(), client_set_diagnostic(), client_set_state(), client_set_state_nb(), connection_handler(), error(), iochan_add(), iochan_create(), iochan_destroy(), iochan_setdata, iochan_settimeout, PACKAGE_NAME, PZ_APDULOG, PZ_AUTHENTICATION, PZ_AUTHENTICATION_MODE, PZ_MEMCACHED, PZ_NEGOTIATION_CHARSET, PZ_REDIS, PZ_SRU, PZ_SRU_VERSION, session_log(), session_setting_oneval(), and VERSION.

Referenced by connection_create().

◆ connection_continue()

void connection_continue ( struct connection * co )

Definition at line 266 of file connection.c.

References connection::client, client_lock(), client_unlock(), iochan_update(), connection::link, and non_block_events().

Referenced by client_fetch_more(), client_send_raw_present(), and client_start_search().

◆ connection_create()

static struct connection* connection_create	(	struct client *	cl,
		const char *	url,
		const char *	zproxy,
		int	operation_timeout,
		int	session_timeout,
		iochan_man_t	iochan_man
	)