/*
* Initialize the protocol:
*
* - initialise the protocol state array with 'inactive' flags
* - 'listen' on the protocol server ports
*/
void demo_protocol_init(chanend tcp_svr) {
for (int i = 0; i < NUM_DEMO_PROTOCOL_CONNECTIONS; i++) {
connection_states[i].active = 0;
}
xtcp_listen(tcp_svr, DEMO_PROTOCOL_PORT, XTCP_PROTOCOL_TCP);
xtcp_listen(tcp_svr, DEMO_PROTOCOL_PORT, XTCP_PROTOCOL_UDP);
}
void httpd_init(chanend tcp_svr)
{
int i;
xtcp_listen(tcp_svr, HTTP_SERVER_PORT, XTCP_PROTOCOL_TCP);
for (i=0;i<NUM_HTTPD_CONNECTIONS;i++) {
connection_states[i].active = 0;
}
}
// Initiate the HTTP state
void telnetd_init(chanend tcp_svr)
{
int i;
// Listen on the http port
xtcp_listen(tcp_svr, TELNETD_PORT, XTCP_PROTOCOL_TCP);
for ( i = 0; i < NUM_TELNETD_CONNECTIONS; i++ )
{
connection_states[i].active = 0;
connection_states[i].index = i;
}
}
// Initialize the HTTP state
void tcp_init(chanend tcp_svr)
{
int i;
// Listen on the http port
xtcp_listen(tcp_svr, 80, XTCP_PROTOCOL_TCP);
for ( i = 0; i < NUM_HTTPD_CONNECTIONS; i++ )
{
connection_states[i].active = 0;
connection_states[i].dptr = NULL;
}
}
void telnet_config_init(chanend c_xtcp) {
for (int i=0;i<TELNET_CONFIG_NUM_CONNECTIONS;i++) {
telnet_config_states[i].active = 0;
}
xtcp_listen(c_xtcp, S2E_TELNET_CONFIG_PORT, XTCP_PROTOCOL_TCP);
}
static void process_xscope_data(chanend c_xtcp, xscope_protocol xscope_data)
{
/* Custom protocol definition
* Start with cmd_type, send end_token as 0 as last
* Listen: 0-dc-inport-proto-dc
* Connect: 1-dc-out_port-proto-host_ipconfig
* Send: 2-1-local_port-dc-remote_addr
* Close: 2-2-local_port-dc-remote_addr
*/
#define CONTROLLER_IP {169, 254, 196, 179}
#if !defined(CONTROLLER_IP)
#warning No define of form CONTROLLER_IP
#error Rebuild the application with this define assigned to the host controller ip
#endif
xtcp_ipaddr_t ipaddr = CONTROLLER_IP;
/*ipaddr[0] = atoi(xscope_data.ip_addr_1);
ipaddr[1] = atoi(xscope_data.ip_addr_2);
ipaddr[2] = atoi(xscope_data.ip_addr_3);
ipaddr[3] = atoi(xscope_data.ip_addr_4);*/
switch (xscope_data.cmd_type) {
case XSCOPE_CMD_LISTEN: //listen; for server type conn
xtcp_listen(c_xtcp, xscope_data.port_no, xscope_data.protocol);
printstr("Listening on port: ");
printintln(xscope_data.port_no);
break;
case XSCOPE_CMD_CONNECT: //connect; for client type conn
xtcp_connect(c_xtcp, xscope_data.port_no, ipaddr, xscope_data.protocol);
printstr("Connected to host on port: ");
printintln(xscope_data.port_no);
break;
case XSCOPE_CMD_SEND: { //Send data
int conn_id;
xtcp_connection_t conn;
if (PROTO_TCP == xscope_data.protocol)
conn_id = get_tcp_conn_id(ipaddr, xscope_data.port_no);
else if (PROTO_UDP == xscope_data.protocol)
conn_id = get_udp_conn_id(ipaddr, xscope_data.port_no);
if (conn_id) {
conn.id = conn_id;
xtcp_init_send(c_xtcp, &conn);
printstr("Sending data on the connection: ");
printintln(conn_id);
}
}
break;
case XSCOPE_CMD_CLOSE: { //Close command
int conn_id;
xtcp_connection_t conn;
if (PROTO_TCP == xscope_data.protocol)
conn_id = get_tcp_conn_id(ipaddr, xscope_data.port_no);
else if (PROTO_UDP == xscope_data.protocol)
conn_id = get_udp_conn_id(ipaddr, xscope_data.port_no);
if (conn_id) {
conn.id = conn_id;
xtcp_close(c_xtcp, &conn);
printstr("Closing the connection: ");
printintln(conn_id);
}
}
break;
case XSCOPE_CMD_CTRLR_SEND: //this is a controller send command; do nothing
break;
default:
printstrln("unknown command received");
break;
}
}
// Initialize the connection states
void tcpd_xscope_init(chanend c_xtcp)
{
// Listen on the app port
xtcp_listen(c_xtcp, TCP_XSCOPE_PORT, XTCP_PROTOCOL_TCP);
}
