void httpServer_run(uint8_t seqnum)
{
uint8_t s; // socket number
int16_t len;
//uint32_t gettime = 0; // 20150828 ## Eric removed
uint8_t ret = 0;
#ifdef _HTTPSERVER_DEBUG_
uint8_t destip[4] = {0, };
uint16_t destport = 0;
#endif
http_request = (st_http_request *)pHTTP_RX; // Structure of HTTP Request
parsed_http_request = (st_http_request *)pHTTP_TX;
// Get the H/W socket number
s = getHTTPSocketNum(seqnum);
/* HTTP Service Start */
switch(getSn_SR(s))
{
case SOCK_ESTABLISHED:
// Interrupt clear
if(getSn_IR(s) & Sn_IR_CON)
{
setSn_IR(s, Sn_IR_CON);
}
// HTTP Process states
switch(HTTPSock_Status[seqnum].sock_status)
{
case STATE_HTTP_IDLE :
if ((len = getSn_RX_RSR(s)) > 0)
{
if (len > DATA_BUF_SIZE) len = DATA_BUF_SIZE;
// ## 20150828, Eric / Bongjun Hur added
if ((len = recv(s, (uint8_t *)http_request, len)) < 0) break; // Exception handler
////////////////////////////////////////////////////////////////////////////////
// Todo; User defined custom command handler (userHandler.c)
ret = custom_command_handler((uint8_t *)http_request);
////////////////////////////////////////////////////////////////////////////////
if(ret > 0) // Custom command handler
{
// Todo: Users can change this parts for custom function added
//if(ret == COMMAND_SUCCESS) send(s, (uint8_t *)"CMDOK", 5);
//else if(ret == COMMAND_ERROR) send(s, (uint8_t *)"CMDERROR", 8);
HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE;
}
else // HTTP process handler
{
*(((uint8_t *)http_request) + len) = '\0'; // End of string (EOS) marker
parse_http_request(parsed_http_request, (uint8_t *)http_request);
#ifdef _HTTPSERVER_DEBUG_
getSn_DIPR(s, destip);
destport = getSn_DPORT(s);
printf("\r\n");
printf("> HTTPSocket[%d] : HTTP Request received ", s);
printf("from %d.%d.%d.%d : %d\r\n", destip[0], destip[1], destip[2], destip[3], destport);
#endif
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE\r\n", s);
#endif
// HTTP 'response' handler; includes send_http_response_header / body function
http_process_handler(s, parsed_http_request);
/*
// ## 20150828 Eric removed
gettime = get_httpServer_timecount();
// Check the TX socket buffer for End of HTTP response sends
while(getSn_TX_FSR(s) != (getSn_TXBUF_SIZE(s)*1024))
{
if((get_httpServer_timecount() - gettime) > 3)
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE: TX Buffer clear timeout\r\n", s);
#endif
break;
}
}
*/
if(HTTPSock_Status[seqnum].file_len > 0) HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_INPROC;
else HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE; // Send the 'HTTP response' end
}
}
break;
case STATE_HTTP_RES_INPROC :
/* Repeat: Send the remain parts of HTTP responses */
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_INPROC\r\n", s);
#endif
// Repeatedly send remaining data to client
send_http_response_body(s, 0, http_response, 0, 0);
if(HTTPSock_Status[seqnum].file_len == 0) HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE;
break;
case STATE_HTTP_RES_DONE :
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_DONE\r\n", s);
#endif
// Socket file info structure re-initialize
HTTPSock_Status[seqnum].file_len = 0;
HTTPSock_Status[seqnum].file_offset = 0;
HTTPSock_Status[seqnum].file_start = 0;
HTTPSock_Status[seqnum].sock_status = STATE_HTTP_IDLE;
//#ifdef _USE_SDCARD_
// f_close(&fs);
//#endif
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
http_disconnect(s);
break;
default :
break;
}
break;
case SOCK_CLOSE_WAIT:
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : ClOSE_WAIT\r\n", s); // if a peer requests to close the current connection
#endif
//disconnect(s);
http_disconnect(s);
break;
case SOCK_INIT:
listen(s);
break;
case SOCK_LISTEN:
break;
case SOCK_SYNSENT:
//case SOCK_SYNSENT_M:
case SOCK_SYNRECV:
//case SOCK_SYNRECV_M:
break;
case SOCK_CLOSED:
default :
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : CLOSED\r\n", s);
#endif
if(socket(s, Sn_MR_TCP, HTTP_SERVER_PORT, 0x00) == s) /* Reinitialize the socket */
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : OPEN\r\n", s);
#endif
}
break;
} // end of switch
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
}
void httpServer_run(uint8_t seqnum)
{
uint8_t s; // socket number
uint16_t len;
uint32_t gettime = 0;
#ifdef _HTTPSERVER_DEBUG_
uint8_t destip[4] = {0, };
uint16_t destport = 0;
#endif
http_request = (st_http_request *)pHTTP_RX; // Structure of HTTP Request
parsed_http_request = (st_http_request *)pHTTP_TX;
// Get the H/W socket number
s = getHTTPSocketNum(seqnum);
/* HTTP Service Start */
switch(getSn_SR(s))
{
case SOCK_ESTABLISHED:
// Interrupt clear
if(getSn_IR(s) & Sn_IR_CON)
{
setSn_IR(s, Sn_IR_CON);
}
// HTTP Process states
switch(HTTPSock_Status[seqnum].sock_status)
{
case STATE_HTTP_IDLE :
if ((len = getSn_RX_RSR(s)) > 0)
{
if (len > DATA_BUF_SIZE) len = DATA_BUF_SIZE;
len = recv(s, (uint8_t *)http_request, len);
*(((uint8_t *)http_request) + len) = '\0';
parse_http_request(parsed_http_request, (uint8_t *)http_request);
#ifdef _HTTPSERVER_DEBUG_
getSn_DIPR(s, destip);
destport = getSn_DPORT(s);
printf("\r\n");
printf("> HTTPSocket[%d] : HTTP Request received ", s);
printf("from %d.%d.%d.%d : %d\r\n", destip[0], destip[1], destip[2], destip[3], destport);
#endif
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE\r\n", s);
#endif
// HTTP 'response' handler; includes send_http_response_header / body function
http_process_handler(s, parsed_http_request);
gettime = get_httpServer_timecount();
// Check the TX socket buffer for End of HTTP response sends
while(getSn_TX_FSR(s) != (getSn_TXBUF_SIZE(s)*1024))
{
if((get_httpServer_timecount() - gettime) > 3)
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE: TX Buffer clear timeout\r\n", s);
#endif
break;
}
}
if(HTTPSock_Status[seqnum].file_len > 0) HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_INPROC;
else HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE; // Send the 'HTTP response' end
}
break;
case STATE_HTTP_RES_INPROC :
/* Repeat: Send the remain parts of HTTP responses */
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_INPROC\r\n", s);
#endif
// Repeatedly send remaining data to client
send_http_response_body(s, 0, http_response, 0, 0);
if(HTTPSock_Status[seqnum].file_len == 0) HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE;
break;
case STATE_HTTP_RES_DONE :
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_DONE\r\n", s);
#endif
// Socket file info structure re-initialize
HTTPSock_Status[seqnum].file_len = 0;
HTTPSock_Status[seqnum].file_offset = 0;
HTTPSock_Status[seqnum].file_start = 0;
HTTPSock_Status[seqnum].sock_status = STATE_HTTP_IDLE;
//#ifdef _USE_SDCARD_
// f_close(&fs);
//#endif
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
http_disconnect(s);
break;
default :
break;
}
break;
case SOCK_CLOSE_WAIT:
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : ClOSE_WAIT\r\n", s); // if a peer requests to close the current connection
#endif
disconnect(s);
break;
case SOCK_CLOSED:
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : CLOSED\r\n", s);
#endif
if(socket(s, Sn_MR_TCP, HTTP_SERVER_PORT, 0x00) == s) /* Reinitialize the socket */
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : OPEN\r\n", s);
#endif
}
break;
case SOCK_INIT:
listen(s);
break;
case SOCK_LISTEN:
break;
default :
break;
} // end of switch
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
}
/* HTTP Server Run */
void httpServer_run(uint16_t server_port)
{
int8_t sock; // HW socket number
uint8_t sock_status; // HW socket status
int8_t seqnum; // Sequence number
int16_t len;
#ifdef _HTTPSERVER_DEBUG_
uint8_t destip[4] = {0, }; // Destination IP address
uint16_t destport = 0; // Destination Port number
#endif
sock = getAvailableHTTPSocketNum(); // Get the H/W socket number
if(sock < 0) return; // HW socket allocation failed
seqnum = getHTTPSequenceNum(sock);
http_request = (st_http_request *)httpserver.recvbuf; // HTTP Request Structure
parsed_http_request = (st_http_request *)http_req;
//parsed_http_request = (st_http_request *)httpserver.sendbuf; // old
/* Web Service Start */
sock_status = getSn_SR(sock);
switch(sock_status)
{
case SOCK_ESTABLISHED:
// Interrupt clear
if(getSn_IR(sock) & Sn_IR_CON)
{
setSn_IR(sock, Sn_IR_CON);
}
// HTTP Process states
switch(HTTPSock[seqnum].status)
{
case STATE_HTTP_IDLE :
if ((len = getSn_RX_RSR(sock)) > 0)
{
if (len > DATA_BUF_SIZE) len = DATA_BUF_SIZE;
if ((len = recv(sock, (uint8_t *)http_request, len)) < 0) break; // Exception handler
*(((uint8_t *)http_request) + len) = '\0'; // End of string (EOS) marker
parse_http_request(parsed_http_request, (uint8_t *)http_request);
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTP Request START ==========\r\n");
printf("%s", (uint8_t *)http_request);
printf("> HTTP Request END ============\r\n");
#endif
#ifdef _HTTPSERVER_DEBUG_
getSn_DIPR(sock, destip);
destport = getSn_DPORT(sock);
printf("\r\n");
printf("> HTTPSocket[%d] : HTTP Request received ", sock);
printf("from %d.%d.%d.%d : %d\r\n", destip[0], destip[1], destip[2], destip[3], destport);
#endif
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE\r\n", sock);
#endif
// HTTP 'response' handler; includes send_http_response_header / body function
http_process_handler(sock, parsed_http_request);
if(HTTPSock[seqnum].file_len > 0) HTTPSock[seqnum].status = STATE_HTTP_RES_INPROC;
else HTTPSock[seqnum].status = STATE_HTTP_RES_DONE; // Send the 'HTTP response' end
}
break;
case STATE_HTTP_RES_INPROC :
/* Repeat: Send the remain parts of HTTP responses */
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_INPROC\r\n", sock);
#endif
// Repeatedly send remaining data to client
send_http_response_body(sock, http_response, 0);
if(HTTPSock[seqnum].file_len == 0) HTTPSock[seqnum].status = STATE_HTTP_RES_DONE;
break;
case STATE_HTTP_RES_DONE :
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_DONE\r\n", sock);
#endif
// Socket file info structure re-initialize
HTTPSock[seqnum].file_len = 0;
HTTPSock[seqnum].file_offset = 0;
HTTPSock[seqnum].file_start = 0;
HTTPSock[seqnum].status = STATE_HTTP_IDLE;
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
http_disconnect(sock);
break;
default :
break;
}
break;
case SOCK_CLOSE_WAIT:
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : ClOSE_WAIT\r\n", sock); // if a peer requests to close the current connection
#endif
// Socket file info structure re-initialize: HTTP connection 'close'
HTTPSock[seqnum].file_len = 0;
HTTPSock[seqnum].file_offset = 0;
HTTPSock[seqnum].file_start = 0;
HTTPSock[seqnum].status = STATE_HTTP_IDLE;
http_disconnect(sock);
break;
case SOCK_INIT:
listen(sock);
break;
case SOCK_LISTEN:
break;
case SOCK_SYNSENT:
//case SOCK_SYNSENT_M:
case SOCK_SYNRECV:
//case SOCK_SYNRECV_M:
break;
case SOCK_CLOSED:
#ifdef _HTTPSERVER_DEBUG_
//printf("> HTTPSocket[%d] : CLOSED\r\n", sock);
#endif
if(server_port == 0) server_port = HTTP_SERVER_PORT;
if(socket(sock, Sn_MR_TCP, server_port, 0x00) == sock) // Init / Reinitialize the socket
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : SERVER OPEN, Port: %d\r\n", sock, server_port);
#endif
;
}
break;
default :
break;
} // end of switch
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
}