sock_manager.c File Reference

#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "sock_manager.h"

Macros
#define	FCGI_stdout   stdout
#define	FCGI_stderr   stderr
#define	logstream   stderr

Functions
SOCKET	open_listeningsocket (uint16_t port)
	open listening socket
SOCKET	accept_socket (SOCKET listening_socket)
	accept a new connection to the listening socket
void	send_stream (SOCKET connected_socket, const void *stream, OPJ_SIZE_T length)
	send data stream to client
void *	receive_stream (SOCKET connected_socket, OPJ_SIZE_T length)
	receive data stream to client
OPJ_SIZE_T	receive_line (SOCKET connected_socket, char *p)
	receive a string line (ending with ' ') from client
char *	receive_string (SOCKET connected_socket)
	receive a string line (ending with ' ') from client, return malloc string
int	close_socket (SOCKET sock)
	close socket

Macro Definition Documentation

FCGI_stderr

#define FCGI_stderr   stderr

FCGI_stdout

#define FCGI_stdout   stdout

logstream

#define logstream   stderr

Function Documentation

accept_socket()

SOCKET accept_socket

(

SOCKET

listening_socket

)

accept a new connection to the listening socket

Parameters

listening_socket

listening socket

Returns

connected socket (-1 if error occurs)

References accept_socket().

Referenced by accept_connection(), accept_socket(), and aux_streaming().

close_socket()

int close_socket

(

SOCKET

sock

)

close socket

Parameters

[in]

sock

closing socket

Returns

0 if succeed, -1 if failed

References close_socket().

Referenced by aux_streaming(), close_aux_transport(), close_socket(), handle_clientreq(), open_listeningsocket(), and terminate_dec_server().

open_listeningsocket()

SOCKET open_listeningsocket

(

uint16_t

port

)

open listening socket

Parameters

port	opening port number

Returns

new socket

References close_socket(), FCGI_stderr, and open_listeningsocket().

Referenced by init_aux_transport(), init_dec_server(), and open_listeningsocket().

receive_line()

OPJ_SIZE_T receive_line	(	SOCKET	connected_socket,
		char *	buf )

receive a string line (ending with '
') from client

Parameters

[in]	connected_socket	file descriptor of the connected socket
[out]	buf	string to be stored

Returns

red size

References FCGI_stderr, and receive_line().

Referenced by handle_PNMreqMSG(), identify_clientmsg(), receive_JPIPstream(), receive_line(), and receive_string().

receive_stream()

void * receive_stream	(	SOCKET	connected_socket,
		OPJ_SIZE_T	length )

receive data stream to client

Parameters

[in]	connected_socket	file descriptor of the connected socket
[in]	length	length of the receiving stream

Returns

pointer to the data stream (memory allocated), NULL if failed

References FCGI_stderr, and receive_stream().

Referenced by receive_JPIPstream(), receive_stream(), and recv_ack().

receive_string()

char * receive_string

(

SOCKET

connected_socket

)

receive a string line (ending with '
') from client, return malloc string

Parameters

[in]

connected_socket

file descriptor of the connected socket

Returns

pointer to the string (memory allocated)

References BUF_LEN, receive_line(), and receive_string().

Referenced by handle_CIDreqMSG(), handle_dstCIDreqMSG(), handle_JP2saveMSG(), handle_PNMreqMSG(), handle_SIZreqMSG(), handle_TIDreqMSG(), handle_XMLreqMSG(), identify_cid(), and receive_string().

send_stream()

void send_stream	(	SOCKET	connected_socket,
		const void *	stream,
		OPJ_SIZE_T	length )

send data stream to client

Parameters

[in]	connected_socket	file descriptor of the connected socket
[in]	stream	data stream
[in]	length	length of data stream

References FCGI_stderr, and send_stream().

Referenced by aux_streaming(), response_signal(), send_IDstream(), send_PNMstream(), send_SIZstream(), send_stream(), and send_XMLstream().