/*-------------------------------------------------------------------------------------*/
char * get_ip_addr( Socket socket )
/*-------------------------------------------------------------------------------------*/
{
// parameter check
check_socket_ptr("get_ip_addr() failed", socket);
MySocket *s = (MySocket *)socket;
check_ip_addr("get_ip_addr() failed", s->ip_addr);
return s->ip_addr;
}
/*-------------------------------------------------------------------------------------*/
Socket tcp_active_open( int remote_port, char *remote_ip )
/*-------------------------------------------------------------------------------------*/
{
// parameter check
check_port("tcp_open_client() failed", remote_port);
check_ip_addr("tcp_open_client() failed", remote_ip);
MySocket *client = (MySocket *)malloc( sizeof(MySocket) );
if ( client == NULL )
die("tcp_open_client() failed: mem alloc error");
struct sockaddr_in addr;
int length;
char *p;
client->sd = socket(PROTOCOLFAMILY, TYPE, PROTOCOL);
check_sd("tcp_open_client() failed: socket creation error", client->sd);
/* Construct the server address structure */
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = PROTOCOLFAMILY;
if ( inet_aton(remote_ip, (struct in_addr *) &addr.sin_addr.s_addr) == 0 )
die("tcp_open_client failed(): invalid ip address");
addr.sin_port = htons(remote_port);
if ( connect(client->sd, (struct sockaddr *) &addr, sizeof(addr) ) < 0 )
die("tcp_open_client failed(): connect () failed");
memset(&addr, 0, sizeof(struct sockaddr_in));
length = sizeof(addr);
if ( getsockname(client->sd, (struct sockaddr *)&addr, (socklen_t *)&length) != 0 )
die("tcp_open_client failed(): getsockname() failed");
p = inet_ntoa(addr.sin_addr); //returns addr to statically allocated buffer
client->ip_addr = (char *)malloc( sizeof(char)*CHAR_IP_ADDR_LENGTH);
if ( client->ip_addr == NULL )
die("tcp_open_client failed(): mem alloc error");
client->ip_addr = strcpy( client->ip_addr, p );
client->port = ntohs(addr.sin_port);
return (Socket)client;
}
/* Called when data needs to be sent to network */
int net_send_data(struct net_pkt *pkt)
{
int status;
if (!pkt || !pkt->frags) {
return -ENODATA;
}
if (!net_pkt_iface(pkt)) {
return -EINVAL;
}
#if defined(CONFIG_NET_STATISTICS)
switch (net_pkt_family(pkt)) {
case AF_INET:
net_stats_update_ipv4_sent();
break;
case AF_INET6:
net_stats_update_ipv6_sent();
break;
}
#endif
status = check_ip_addr(pkt);
if (status < 0) {
return status;
} else if (status > 0) {
/* Packet is destined back to us so send it directly
* to RX processing.
*/
NET_DBG("Loopback pkt %p back to us", pkt);
processing_data(pkt, true);
return 0;
}
if (net_if_send_data(net_pkt_iface(pkt), pkt) == NET_DROP) {
return -EIO;
}
return 0;
}
