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

Revision:
1:3a1fe94c6e42
Parent:
0:cc483bea4fe3
Child:
2:33714d7c0f45
--- a/HTTP_SERVER.cpp	Tue Feb 16 10:59:31 2016 +0000
+++ b/HTTP_SERVER.cpp	Sat Nov 26 16:49:04 2016 +0000
@@ -1,5 +1,14 @@
 #include "HTTP_SERVER.h"
+#include "string"
 #define DEBUG
+
+void DEBUG_PRINT_LINE(const char* arg_line)
+{
+#ifdef DEBUG
+    printf("%s",arg_line);
+#endif
+}
+
 HttpServer::HttpServer()
 {
     keep_alive = (false);
@@ -16,31 +25,31 @@
 
 //  Ethernet Initialization
     if(eth.init()) {
-        printf("Error!@EthernetInterface::init()\r\n");
+        printf("(HTTP_SERVER) Error!@EthernetInterface::init()\r\n");
         return false;
     }
     //  Ethernet Connecting setup
     if(eth.connect()) {
-        printf("Error!@EthernetInterface::connect()\r\n");
+        printf("(HTTP_SERVER) Error!@EthernetInterface::connect()\r\n");
         return false;
     } else {
-        printf("IP Address is %s\r\n", eth.getIPAddress());
+        printf("(HTTP_SERVER) IP Address is %s\r\n", eth.getIPAddress());
     }
     //  TCP Socket setup
     //  To open Server-side PORT
     if(tcpsvr.bind(TCP_PORT)< 0) {
-        printf("Error!@TCPSocketServer::bind()\r\n");
+        printf("(HTTP_SERVER) Error!@TCPSocketServer::bind()\r\n");
         return false;
     } else {
-        printf("TCP Server has bounden!\r\n");
+        printf("(HTTP_SERVER) TCP Server has bounden!\r\n");
     }
     //  Server start listening Request from a web browser.
     if(tcpsvr.listen(1) < 0) {
-        printf("tcp server listen failed.\r\n");
+        printf("(HTTP_SERVER) tcp server listen failed.\r\n");
         return false;
     } else {
         listening_flag = true;
-        printf("tcp server is listening...\r\n");
+        printf("(HTTP_SERVER) tcp server is listening...\r\n");
     }
 
     return true;
@@ -55,48 +64,46 @@
         led1 = true;
         //  blocking mode (never timeout)
         //  waiting client connection
-        printf("\r\nwait connection\r\n");
+        printf("(HTTP_SERVER) waiting connection\r\n");
         if(tcpsvr.accept(tcpcon) < 0) {
-            printf("failed to accept connection.\r\n");
+            printf("(HTTP_SERVER) failed to accept connection.\r\n");
             return -1;
         } else {
-            printf("connection success!\r\nIP: %s\r\n",tcpcon.get_address());
+            printf("(HTTP_SERVER) connection success!\r\nIP: %s\r\n",tcpcon.get_address());
             led2 = true;
         }
-        //while(client.is_connected()) {
+        //  When conected
         while(tcpcon.is_connected()) {
-#ifdef DEBUG
-            printf("being connected\r\n");
-#endif
+            DEBUG_PRINT_LINE("(HTTP_SERVER) connected\r\n");
+
             char buffer[1024]   = {0};
             char* httpmethod    = NULL;
             char* filepath      = NULL;
             char* http_ver      = NULL;
             char* header_field_name = NULL;
             char* header_field_val  = NULL;
+
             //
             //  Request Analysis
             //
-#ifdef DEBUG
-            printf("debug\r\n");
-#endif
+            DEBUG_PRINT_LINE("(HTTP_SERVER) DEBUG MODE\r\n");
             switch(tcpcon.receive(buffer, 1023)) {
                 case 0:
-                    printf("recieved buffer is empty.\r\n");
+                    printf("(HTTP_SERVER) recieved buffer is empty.\r\n");
                     msger.setStatusLine(400, "No Request");
                     httpmethod    = NULL;
                     filepath      = NULL;
                     http_ver      = NULL;
                     break;
                 case -1:
-                    printf("failed to read data from client.\r\n");
+                    printf("(HTTP_SERVER) failed to read data from client.\r\n");
                     msger.setStatusLine(500, "Internal Server Error");
                     httpmethod    = NULL;
                     filepath      = NULL;
                     http_ver      = NULL;
                     break;
                 default:
-                    printf("Recieved Data: %d\r\n\r\n%.*s\r\n",strlen(buffer),strlen(buffer),buffer);
+                    printf("(HTTP_SERVER) Recieved Data: %d\r\n-->\r\n%.*s[End of Request]\r\n",strlen(buffer),strlen(buffer),buffer);
                     //  get HTTP method
                     httpmethod = strtok(buffer," ");
                     //  get File path
@@ -104,25 +111,23 @@
                     //  get HTTP version
                     http_ver = strtok(NULL, "\r\n");
 #ifdef DEBUG
-                    printf("httpmethod: %s\r\n", httpmethod);
-                    printf("file path:  %s\r\n", filepath);
-                    printf("http ver :  %s\r\n", http_ver);
+                    printf("(HTTP_SERVER) httpmethod: %s\r\n", httpmethod);
+                    printf("(HTTP_SERVER) file path:  %s\r\n", filepath);
+                    printf("(HTTP_SERVER) http ver :  %s\r\n", http_ver);
 #endif
                     break;
             }
-#ifdef DEBUG
-            printf("debug before response\r\n");
-#endif
+            DEBUG_PRINT_LINE("\r\n"
+                             "(HTTP_SERVER) debug before response\r\n");
+
             //
             //  Response
             //
             if (strcmp(httpmethod,"GET") == 0 ) {
-                printf("GET request incomming.\r\n");
+                printf("(HTTP_SERVER) GET request incomming.\r\n");
 
                 //  file calibration
-#ifdef DEBUG
-                printf("file opening\r\n");
-#endif
+                DEBUG_PRINT_LINE("(HTTP_SERVER) file opening\r\n");
                 fhandl.open(filepath,"rb");
                 if(fhandl.arrival()) {
                     msger.setStatusLine(200, "OK");
@@ -131,16 +136,14 @@
                 } else {
                     if(msger.setStatusLine(404, "NOT FOUND"))printf("buffer over flow");
                     if(msger.setHeaderField("Connection", "close"))printf("buffer over flow");
-#ifdef DEBUG
-                    printf("NOT FOUND\r\n");
-#endif
+                    DEBUG_PRINT_LINE("(HTTP_SERVER) NOT FOUND\r\n");
                 }
-                if(!    (   strcmp(fhandl.getSuffix(), "htm" )  &&
-                            strcmp(fhandl.getSuffix(), "HTM" )  &&
-                            strcmp(fhandl.getSuffix(), "html")   &&
-                            strcmp(fhandl.getSuffix(), "HTML")  )) {
+                if(     strcmp(fhandl.getSuffix(), "htm" )  ||
+                        strcmp(fhandl.getSuffix(), "HTM" )  ||
+                        strcmp(fhandl.getSuffix(), "html")  ||
+                        strcmp(fhandl.getSuffix(), "HTML")) {
                     if(msger.setHeaderField("Content-Type", "text/html"))printf("buffer over flow");
-                } else if (!strcmp(fhandl.getSuffix(), "ico" )  ) {
+                } else if (strcmp(fhandl.getSuffix(), "ico" )  ) {
                     if(msger.setHeaderField("Content-Type", "image/png"))printf("buffer over flow");
                 } else {
                     msger.setStatusLine(406, "not acceptable");
@@ -148,7 +151,8 @@
 
                 //  Connection timeout field
                 if(msger.setHeaderField("Keep-Alive", "timeouit=15"))printf("buffer over flow");
-/*                //  Apply request header field to response header field
+
+                //  Define behaviour of server according to Request Header lines
                 do {
                     //strtok(NULL, "\r\n");
                     header_field_name = strtok(NULL, ":");
@@ -157,20 +161,17 @@
                     header_field_val  = strtok(NULL, "\r\n");
                     header_field_val++;
 #ifdef DEBUG
-                    printf("header_field_name adr: %d %s\r\n", header_field_name - 1, header_field_name);
-                    printf("header_field_val  adr: %d %s\r\n", header_field_val  - 1, header_field_val);
+                    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(strcmp(header_field_name,"Connection") == 0) {
-                        //    if(msger.setHeaderField(header_field_name, "close"))printf("buffer over flow");
-                        //} else {
                         if(msger.setHeaderField(header_field_name, header_field_val))printf("buffer over flow");
-                        //}
                     } else {
                         break;
                     }
                 } while(1);
-*/
+
 #ifdef DEBUG
                 //printf("status code :  %d\r\n", status_code);
                 //printf("content type:  %s\r\n", content_type);
@@ -189,18 +190,18 @@
 #endif
 #ifdef DEBUG
                     == 0)
-                    printf("file has closed\r\n");
+                    printf("(HTTP_SERVER) file has closed\r\n");
                 else if(EOF)
-                    printf("failed to close the file\r\n");
+                    printf("(HTTP_SERVER) failed to close the file\r\n");
 #endif
                 msger.resetHeader();
-                printf("echo back done.\r\n");
+                printf("(HTTP_SERVER) echo back done.\r\n");
             }
-            printf("Response to Request has done\r\n");
+            printf("(HTTP_SERVER) Response to Request has done\r\n");
         }
-        printf("close connection.\r\ntcp server is listening...\r\n");
+        printf("(HTTP_SERVER) close connection.\r\ntcp server is listening...\r\n");
         tcpcon.close();
-        tcpsvr.close();
+        //tcpsvr.close();
         led2 = false;
     }
     led1 = false;