void application_start(void)
{
/* Initialise the device and WICED framework */
wiced_init( );
/* Bring up the network interface */
wiced_network_up( WICED_STA_INTERFACE, WICED_USE_EXTERNAL_DHCP_SERVER, NULL );
/* Create a TCP server socket */
if (wiced_tcp_create_socket(&tcp_server_handle.socket, WICED_STA_INTERFACE) != WICED_SUCCESS)
{
WPRINT_APP_INFO(("TCP socket creation failed\n"));
}
if (wiced_tcp_listen( &tcp_server_handle.socket, TCP_SERVER_LISTEN_PORT ) != WICED_SUCCESS)
{
WPRINT_APP_INFO(("TCP server socket initialization failed\n"));
wiced_tcp_delete_socket(&tcp_server_handle.socket);
return;
}
/* Start a tcp server thread */
WPRINT_APP_INFO(("Creating tcp server thread \n"));
wiced_rtos_create_thread(&tcp_thread, TCP_SERVER_THREAD_PRIORITY, "Demo tcp server", tcp_server_thread_main, TCP_SERVER_STACK_SIZE, &tcp_server_handle);
}
wiced_result_t ota_server_start( ota_server_t* server, uint16_t port, const ota_http_page_t* page_database, wiced_interface_t interface )
{
memset( server, 0, sizeof( *server ) );
/* Create the TCP socket */
WICED_VERIFY(wiced_tcp_create_socket( &server->socket, interface ));
if (wiced_tcp_listen( (wiced_tcp_socket_t*) &server->socket, port ) != WICED_SUCCESS)
{
wiced_tcp_delete_socket(&server->socket);
return WICED_ERROR;
}
server->page_database = page_database;
return wiced_rtos_create_thread(&server->thread, OTA_SERVER_THREAD_PRIORITY, "HTTPserver", ota_server_thread_main, OTA_SERVER_STACK_SIZE, server);
}
wiced_result_t wiced_wlu_server_eth_start( int tcp_server_port , char** argv)
{
wiced_result_t result;
UNUSED_PARAMETER(argv);
wiced_assert("wlu_server already started", (wlu_server.started == WICED_FALSE));
wlu_server.started = WICED_TRUE;
wlu_server.eth_started = WICED_TRUE;
wlu_server.eth_port = tcp_server_port;
// WWD_WLAN_KEEP_AWAKE( );
/* Bring up the network interface */
result = wiced_network_up( WICED_ETHERNET_INTERFACE, WICED_USE_EXTERNAL_DHCP_SERVER, NULL );
if ( result != WICED_SUCCESS )
{
WPRINT_APP_INFO(("Failed to connect to Ethernet.\n"));
}
/* Create a TCP socket */
if ( wiced_tcp_create_socket( &tcp_client_socket, WICED_ETHERNET_INTERFACE ) != WICED_SUCCESS )
{
WPRINT_APP_INFO( ("TCP socket creation failed\n") );
}
if (wiced_tcp_listen( &tcp_client_socket, tcp_server_port ) != WICED_SUCCESS)
{
WPRINT_APP_INFO(("TCP server socket initialization failed\n"));
wiced_tcp_delete_socket(&tcp_client_socket);
return WICED_ERROR;
}
wiced_rtos_create_thread( &wlu_server.thread, WLU_SERVER_THREAD_PRIORITY, "wlu_eth_server", wlu_server_thread, WLU_SERVER_STACK_SIZE, &wlu_server );
return WICED_SUCCESS;
}
static wiced_result_t client_disconnected_callback( wiced_tcp_socket_t* socket, void* arg )
{
UNUSED_PARAMETER( arg );
// There are two ways to get here
// 1. You disconnected the socket ... then this calls back for you to listen again (WICED_SOCKET_CLOSED)
// 2. The client disconnected (in which case the state is WICED_SOCKET_CLOSING
wiced_socket_state_t ss;
wiced_tcp_get_socket_state( socket, &ss);
/*
// Debug prints
switch(ss)
{
case WICED_SOCKET_CLOSED: WPRINT_APP_INFO(("closed\n")); break;
case WICED_SOCKET_CLOSING: WPRINT_APP_INFO(("closing\n")); break;
case WICED_SOCKET_CONNECTING: WPRINT_APP_INFO(("connecting\n")); break;
case WICED_SOCKET_CONNECTED: WPRINT_APP_INFO(("connected\n")); break;
case WICED_SOCKET_DATA_PENDING: WPRINT_APP_INFO(("data pending\n")); break;
case WICED_SOCKET_LISTEN: WPRINT_APP_INFO(("listen\n")); break;
case WICED_SOCKET_ERROR: WPRINT_APP_INFO(("error\n")); break;
}
*/
if(ss == WICED_SOCKET_CLOSED)
{
wiced_tcp_listen( socket, TCP_SERVER_LISTEN_PORT );
return WICED_SUCCESS;
}
wiced_tcp_disconnect(socket);
return WICED_SUCCESS;
}
// The nonsecure server thread
static void tcp_server_nonsecure_thread_main(wiced_thread_arg_t arg)
{
wiced_result_t result;
wiced_tcp_stream_t stream; // The TCP stream
wiced_tcp_socket_t socket;
uint8_t rbuffer[MAX_LEGAL_MSG];
char returnMessage[128]; // better use less than 128 bytes
// setup the server by creating the socket and hooking it to the correct TCP Port
result = wiced_tcp_create_socket(&socket, INTERFACE);
if(WICED_SUCCESS != result)
{
WPRINT_APP_INFO(("Create socket failed\n"));
return; // this is a bad outcome
}
wiced_tcp_stream_init(&stream,&socket);
if(WICED_SUCCESS != result)
{
WPRINT_APP_INFO(("Init stream failed\n"));
return; // this is a bad outcome
}
result = wiced_tcp_listen( &socket, TCP_SERVER_NONSECURE_LISTEN_PORT );
if(WICED_SUCCESS != result)
{
WPRINT_APP_INFO(("Listen socket failed\n"));
return;
}
while (1 )
{
result = wiced_tcp_accept( &socket ); // this halts the thread until there is a connection
if(result != WICED_SUCCESS) // this occurs if the accept times out
continue;
nonsecureConnectionCount += 1;
/// Figure out which client is talking to us... and on which port
wiced_ip_address_t peerAddress;
uint16_t peerPort;
wiced_tcp_server_peer(&socket,&peerAddress,&peerPort);
uint32_t dataReadCount;
wiced_tcp_stream_read_with_count(&stream,&rbuffer,MAX_LEGAL_MSG,100,&dataReadCount); // timeout in 100 ms
processClientCommand(rbuffer, dataReadCount ,returnMessage);
displayResult(peerAddress,peerPort,returnMessage);
// send response and close things up
wiced_tcp_stream_write(&stream,returnMessage,strlen(returnMessage));
wiced_tcp_stream_flush(&stream);
wiced_tcp_disconnect(&socket); // disconnect the connection
wiced_tcp_stream_deinit(&stream); // clear the stream if any crap left
wiced_tcp_stream_init(&stream,&socket); // setup for next connection
}
}
static void tcp_server_thread_main(wiced_thread_arg_t arg)
{
wiced_bool_t wwepSecurity = (wiced_bool_t)arg;
wiced_result_t result;
wiced_tcp_stream_t stream; // The TCP stream
wiced_tcp_socket_t socket;
platform_dct_security_t *dct_security;
wiced_tls_identity_t tls_identity;
wiced_tls_context_t tls_context;
uint8_t rbuffer[MAX_LEGAL_MSG];
char returnMessage[128]; // better use less than 128 bytes
// setup the server by creating the socket and hooking it to the correct TCP Port
result = wiced_tcp_create_socket(&socket, INTERFACE);
if(WICED_SUCCESS != result)
{
WPRINT_APP_INFO(("Create socket failed\n"));
return; // this is a bad outcome
}
if(wwepSecurity == WICED_TRUE)
{
WPRINT_APP_INFO(("Starting secure\n"));
}
else
{
WPRINT_APP_INFO(("Starting non-secure\n"));
}
result = wiced_tcp_listen( &socket, (wwepSecurity == WICED_TRUE)?TCP_SERVER_SECURE_LISTEN_PORT:TCP_SERVER_NONSECURE_LISTEN_PORT );
if(WICED_SUCCESS != result)
{
WPRINT_APP_INFO(("Listen socket failed\n"));
return;
}
if(wwepSecurity == WICED_TRUE)
{
/* Lock the DCT to allow us to access the certificate and key */
WPRINT_APP_INFO(( "Read the certificate Key from DCT\n" ));
result = wiced_dct_read_lock( (void**) &dct_security, WICED_FALSE, DCT_SECURITY_SECTION, 0, sizeof( *dct_security ) );
if ( result != WICED_SUCCESS )
{
WPRINT_APP_INFO(("Unable to lock DCT to read certificate\n"));
return;
}
/* Setup TLS identity */
result = wiced_tls_init_identity( &tls_identity, dct_security->private_key, strlen( dct_security->private_key ), (uint8_t*) dct_security->certificate, strlen( dct_security->certificate ) );
if ( result != WICED_SUCCESS )
{
WPRINT_APP_INFO(( "Unable to initialize TLS identity. Error = [%d]\n", result ));
return;
}
}
else
{
wiced_tcp_stream_init(&stream,&socket);
if(WICED_SUCCESS != result)
{
WPRINT_APP_INFO(("Init stream failed\n"));
return; // this is a bad outcome
}
}
while (1 )
{
if(wwepSecurity == WICED_TRUE)
{
result = wiced_tls_init_context( &tls_context, &tls_identity, NULL );
if(result != WICED_SUCCESS)
{
WPRINT_APP_INFO(("Init context failed %d",result));
return;
}
result = wiced_tcp_enable_tls(&socket,&tls_context);
if(result != WICED_SUCCESS)
{
WPRINT_APP_INFO(("Enabling TLS failed %d",result));
return;
}
wiced_tcp_stream_init(&stream,&socket);
if(WICED_SUCCESS != result)
{
WPRINT_APP_INFO(("Init stream failed\n"));
return; // this is a bad outcome
}
}
result = wiced_tcp_accept( &socket ); // this halts the thread until there is a connection
if(result != WICED_SUCCESS) // this occurs if the accept times out
continue;
if(wwepSecurity == WICED_TRUE)
secureConnectionCount += 1;
else
nonsecureConnectionCount += 1;
/// Figure out which client is talking to us... and on which port
wiced_ip_address_t peerAddress;
uint16_t peerPort;
wiced_tcp_server_peer(&socket,&peerAddress,&peerPort);
uint32_t dataReadCount;
wiced_tcp_stream_read_with_count(&stream,&rbuffer,MAX_LEGAL_MSG,100,&dataReadCount); // timeout in 100 ms
processClientCommand(rbuffer, dataReadCount ,returnMessage);
displayResult(peerAddress,peerPort,returnMessage);
// send response and close things up
wiced_tcp_stream_write(&stream,returnMessage,strlen(returnMessage));
wiced_tcp_stream_flush(&stream);
wiced_tcp_disconnect(&socket); // disconnect the connection
if(wwepSecurity == WICED_TRUE)
{
wiced_tls_deinit_context(&tls_context);
}
wiced_tcp_stream_deinit(&stream); // clear the stream if any crap left
wiced_tcp_stream_init(&stream,&socket); // setup for next connection
}
}
