/home/dko/projects/mobilec/trunk/src/security/xyssl-0.7/library/net.c File Reference

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <netdb.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include "xyssl/net.h"

Go to the source code of this file.

Defines
#define	_CRT_SECURE_NO_DEPRECATE   1
Functions
int	net_connect (int *fd, char *host, unsigned int port)
	Initiate a TCP connection with host:port.
int	net_bind (int *fd, char *bind_ip, unsigned int port)
	Create a listening socket on bind_ip:port. If bind_ip == NULL, all interfaces are binded.
static int	net_is_blocking (void)
int	net_accept (int bind_fd, int *client_fd, unsigned char client_ip[4])
	Accept a connection from a remote client.
int	net_set_block (int fd)
int	net_set_nonblock (int fd)
	Set the socket non-blocking.
void	net_usleep (unsigned long usec)
	Portable usleep helper.
int	net_recv (int fd, unsigned char *buf, int *len)
	Read at most 'len' characters. len is updated to reflect the actual number of characters read.
int	net_send (int fd, unsigned char *buf, int *len)
	Write at most 'len' characters. len is updated to reflect the number of characters _not_ written.
void	net_close (int fd)
	Gracefully shutdown the connection.

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Define Documentation

#define _CRT_SECURE_NO_DEPRECATE   1

Definition at line 25 of file net.c.

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Function Documentation

int net_accept	(	int	bind_fd,
		int *	client_fd,
		unsigned char	client_ip[4]
	)

Accept a connection from a remote client.

Returns:

0 if successful, ERR_NET_ACCEPT_FAILED, or ERR_NET_WOULD_BLOCK is bind_fd was set to non-blocking and accept() is blocking.

Definition at line 203 of file net.c.

References ERR_NET_ACCEPT_FAILED, ERR_NET_WOULD_BLOCK, int, and net_is_blocking().

Referenced by main().

int net_bind	(	int *	fd,
		char *	bind_ip,
		unsigned int	port
	)

Create a listening socket on bind_ip:port. If bind_ip == NULL, all interfaces are binded.

Returns:

0 if successful, or one of: ERR_NET_SOCKET_FAILED, ERR_NET_BIND_FAILED, ERR_NET_LISTEN_FAILED

Definition at line 115 of file net.c.

References ERR_NET_BIND_FAILED, ERR_NET_LISTEN_FAILED, and ERR_NET_SOCKET_FAILED.

Referenced by main().

void net_close

(

int

fd

)

Gracefully shutdown the connection.

Definition at line 340 of file net.c.

Referenced by main().

int net_connect	(	int *	fd,
		char *	host,
		unsigned int	port
	)

Initiate a TCP connection with host:port.

Returns:

0 if successful, or one of: ERR_NET_SOCKET_FAILED, ERR_NET_UNKNOWN_HOST, ERR_NET_CONNECT_FAILED

Definition at line 70 of file net.c.

References ERR_NET_CONNECT_FAILED, ERR_NET_SOCKET_FAILED, and ERR_NET_UNKNOWN_HOST.

Referenced by main().

static int net_is_blocking

(

void

)

[static]

Definition at line 181 of file net.c.

Referenced by net_accept(), net_recv(), and net_send().

int net_recv	(	int	fd,
		unsigned char *	buf,
		int *	len
	)

Read at most 'len' characters. len is updated to reflect the actual number of characters read.

Returns:

0 if successful, ERR_NET_CONN_RESET if the connection was closed from the other side, or ERR_NET_WOULD_BLOCK if read() is blocking.

Definition at line 268 of file net.c.

References ERR_NET_CONN_RESET, ERR_NET_RECV_FAILED, ERR_NET_WOULD_BLOCK, and net_is_blocking().

Referenced by main(), and ssl_parse_client_hello().

int net_send	(	int	fd,
		unsigned char *	buf,
		int *	len
	)

Write at most 'len' characters. len is updated to reflect the number of characters _not_ written.

Returns:

0 if successful, ERR_NET_CONN_RESET if the connection was closed from the other side, or ERR_NET_WOULD_BLOCK if write() is blocking.

Definition at line 305 of file net.c.

References ERR_NET_CONN_RESET, ERR_NET_SEND_FAILED, ERR_NET_WOULD_BLOCK, and net_is_blocking().

Referenced by main(), ssl_flush_output(), and ssl_write_record().

int net_set_block

(

int

fd

)

Definition at line 234 of file net.c.

int net_set_nonblock

(

int

fd

)

Set the socket non-blocking.

Returns:

0 if successful, or 1 if the operation failed

Definition at line 244 of file net.c.

void net_usleep

(

unsigned long

usec

)

Portable usleep helper.

Note:

Real amount of time slept will not be less than select()'s timeout granularity (typically, 10ms).

Definition at line 257 of file net.c.

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