socket.c File Reference

#include <rosdhcp.h>

Include dependency graph for socket.c:

Go to the source code of this file.

Functions
void	SocketInit ()
ssize_t	send_packet (struct interface_info *ip, struct dhcp_packet *p, size_t size, struct in_addr addr, struct sockaddr_in *broadcast, struct hardware *hardware)
ssize_t	receive_packet (struct interface_info *ip, unsigned char *packet_data, size_t packet_len, struct sockaddr_in *dest, struct hardware *hardware)

Variables
SOCKET	ServerSocket

Function Documentation

receive_packet()

ssize_t receive_packet	(	struct interface_info *	ip,
		unsigned char *	packet_data,
		size_t	packet_len,
		struct sockaddr_in *	dest,
		struct hardware *	hardware
	)

Definition at line 34 of file socket.c.

                                                   {
    int recv_addr_size = sizeof(*dest);
    int result;
 
    if (packet_len > INT_MAX)
        return WSAEMSGSIZE;
 
    result =
        recvfrom (ip -> rfdesc, (char *)packet_data, (int)packet_len, 0,
                  (struct sockaddr *)dest, &recv_addr_size );
    return result;
}

Referenced by got_one().

send_packet()

ssize_t send_packet	(	struct interface_info *	ip,
		struct dhcp_packet *	p,
		size_t	size,
		struct in_addr	addr,
		struct sockaddr_in *	broadcast,
		struct hardware *	hardware
	)

Definition at line 9 of file socket.c.

                                                 {
    int result;
 
    if (size > INT_MAX)
        return WSAEMSGSIZE;
 
    result =
        sendto( ip->wfdesc, (char *)p, (int)size, 0,
                (struct sockaddr *)broadcast, sizeof(*broadcast) );
 
    if (result < 0) {
        note ("send_packet: %x", result);
        if (result == WSAENETUNREACH)
            note ("send_packet: please consult README file%s",
                  " regarding broadcast address.");
    }
 
    return result;
}

Referenced by send_decline(), send_discover(), and send_request().

SocketInit()

void SocketInit

(

)

Definition at line 5 of file socket.c.

                  {
    ServerSocket = socket( AF_INET, SOCK_DGRAM, 0 );
}

Variable Documentation

ServerSocket

SOCKET ServerSocket

Definition at line 3 of file socket.c.

Referenced by SocketInit(), START_TEST(), and Test_Overread().