Akifumi Takahashi
The lib with which to make LPC1768 a simple HTTP server. This have not yet implemented. fopen() DOESN'T WORK after EthernetInterface::connect() is called as using mbed-os 5.4~. See also https://os.mbed.com/questions/80658/HardFault-occurs-when-fopen-is-called-af/ or https://github.com/ARMmbed/mbed-os/issues/6578 and https://github.com/ARMmbed/mbed-os/issues/6624
Fork of
HTTP_SERVER
by 
Akifumi Takahashi
Diff: HTTP_SERVER.cpp
- Revision:
- 2:33714d7c0f45
- Parent:
- 1:3a1fe94c6e42
- Child:
- 3:59884bc0a238
--- a/HTTP_SERVER.cpp Sat Nov 26 16:49:04 2016 +0000
+++ b/HTTP_SERVER.cpp Sat Nov 26 18:06:53 2016 +0000
@@ -153,24 +153,72 @@
if(msger.setHeaderField("Keep-Alive", "timeouit=15"))printf("buffer over flow");
// Define behaviour of server according to Request Header lines
+ // Apply request header field to response header field
+ char* field_Connection = NULL,
+ field_Upgrade = NULL,
+ field_Sec_WebSocket_Key = NULL,
+ field_Sec-WebSocket_Version = NULL,
+ field_Origin = NULL;
do {
- //strtok(NULL, "\r\n");
+ //Analyze the header feilds
header_field_name = strtok(NULL, ":");
header_field_name++;
- //strtok(NULL, " ");
header_field_val = strtok(NULL, "\r\n");
header_field_val++;
+
+ if(header_field_name != NULL) {
+ switch(header_field_name) {
+ case "Connection":
+ filed_Connection = header_field_val;
+ break;
+ case "Upgrade":
+ field_Upgrade = header_field_val;
+ break;
+ case "Sec-WebSocket-Key":
+ field_Sec_WebSocket_Key = header_field_val;
+ break;
+ case "Sec-WebSocket-Version":
+ field_Sec_WebSocket_Version = header_field_val;
+ break;
+ case "Origin":
+ field_Origin = header_field_val;
+ break;
+ default:
+ break;
+ }
+ } else {
+ break;
+ }
#ifdef DEBUG
printf("(HTTP_SERVER) *header_field_name adr: %d %s\r\n", header_field_name - 1, header_field_name);
printf("(HTTP_SERVER) header_field_val adr: %d %s\r\n", header_field_val - 1, header_field_val);
#endif
- // Apply request header field to response header field
- if(header_field_name - 1 != NULL) {
- if(msger.setHeaderField(header_field_name, header_field_val))printf("buffer over flow");
- } else {
- break;
+ } while(1);
+
+ // if the request is to switching to the WebSocket Server
+ if( !strcmp(filed_Connection, "Upgrade") &&
+ !strcmp(field_Upgrade, "websocket") &&
+ field_Sec_WebSocket_Key != NULL &&
+ !strcmp(field_Sec_WebSocket_Version, "13") &&
+ field_Origin != NULL) {
+ DEBUG_PRINT_LINE("(HTTP_SERVER) Communication Protocol will be Upgraded to Websocket! \r\n");
+ /*
+ if(ws.isValid()){
+ msger.resetHeader();
+ msger.setStatusLine(101, "Switching Protocols");
+ if(msger.msger.setHeaderField("Connection", "Upgrade")) printf("(HTTP_SERVER)buffer over flow@ResposeMessenger");
+ if(msger.msger.setHeaderField("Upgrade", "websocket")) printf("(HTTP_SERVER)buffer over flow@ResposeMessenger");
+ if(msger.msger.setHeaderField("Sec-WebSocket-Accept", ...)) printf("(HTTP_SERVER)buffer over flow@ResposeMessenger");
+ if(msger.msger.setHeaderField("Access-Control-Allow-Origin", "*")) printf("(HTTP_SERVER)buffer over flow@ResposeMessenger");
+ ...
}
- } while(1);
+ */
+ } else {
+ DEBUG_PRINT_LINE("(HTTP_SERVER) Communication Protocol won't be Upgraded.\r\n");
+ msger.setStatusLine(426, "Upgrade Required");
+ if(msger.setHeaderField("Connection", "Close"))printf("buffer over flow");
+ }
+
#ifdef DEBUG
//printf("status code : %d\r\n", status_code);