void OPCEthernet::processOPCCommands()
{
client = internal_ethernet_server->available();
if (client) {
boolean currentLineIsBlank = true;
byte s = 0;
boolean responsed = false;
while (!responsed && client.connected()) {
if (client.available()) {
char c = client.read();
if (c == '\n' && currentLineIsBlank) {
processClientCommand();
responsed = true;
}
else if (c == '\n') {
currentLineIsBlank = true;
}
else if (c != '\r') {
currentLineIsBlank = false;
switch (s) {
case 0 : if (c == 'G') s++; break;
case 1 : if (c == 'E') s++; else s = 0; break;
case 2 : if (c == 'T') s++; else s = 0; break;
case 3 : if (c == ' ') s++; else s = 0; break;
case 4 : if (c == '/') { s++; bufPos = 0;} else s = 0; break;
case 5 : if (c != ' ') {
buffer[bufPos++] = c;
buffer[bufPos] = '\0';
}
else s = 0;
}
}
}
}
delay(1); // Espera para dar tiempo al navegador a recibir los datos.
client.stop(); // Cierra la conexión.
}
}
// 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
}
}
