Diff: main.cpp

Revision:

5:3ef245bbc6ef

Parent:

3:91523db40ebd

diff -r 3db4aca72fbd -r 3ef245bbc6ef main.cpp
--- a/main.cpp	Sun Mar 08 14:35:57 2020 +0000
+++ b/main.cpp	Sat Jun 13 13:02:54 2020 +0000
@@ -1,7 +1,8 @@
 #include "mbed.h"
-#include "NetworkInterface.h"
 #include "NTPclient.h"
+#include "favicon_ico.h"
 
+// define static IP settings
 #define IP         "192.168.1.180"
 #define GATEWAY    "192.168.1.1"
 #define NETMASK    "255.255.255.0" 
@@ -13,8 +14,11 @@
 DigitalOut led(LED1);
 time_t seconds;
 
+char requestType[16];
+char request[64];
+
 char    *sendbuffer = new char[512];    // create data send buffer space
-char    recevbuffer[1024];  // create http receive buffer space
+char    recevbuffer[1024];              // create http receive buffer space
 
 int main()
 {   
@@ -51,7 +55,7 @@
   
     if(ip){ 
         printf("\nConnected\n\nGet NTP time...\n");
-        if(ntp.getNTP("0.pool.ntp.org",0,1,1)){
+        if(ntp.getNTP("0.pool.ntp.org",3600,1,1)){
             seconds = time(NULL);
             printf("RTC time set by NTP: %s\n\n", ctime(&seconds));
             }
@@ -65,29 +69,64 @@
     TCPSocket srv;
     TCPSocket *client_sock;  // srv.accept() will return pointer to socket
     SocketAddress client_addr;
-        
+   
     // Open the server on ethernet stack
     srv.open(net);
     // Bind the HTTP port (TCP 80) to the server    
     srv.bind(80);       
     //Can handle x simultaneous connections
-    srv.listen(5);
+    srv.listen(5); 
     
     printf("The Server IP address: '%s'\n", ip);
     printf("Waiting for connection....\r\n\n"); 
+     
+    nsapi_size_or_error_t result; 
         
     while(1){
                            
         client_sock = srv.accept();  //return pointer of a client socket 
-        led=1;   
-        client_sock->recv(recevbuffer, 1024);       // set size of required receive data length
-        client_sock->getpeername(&client_addr);     //this will fill address of client to the SocketAddress object
-        printf("Accepted %s:%d\n\n", client_addr.get_ip_address(), client_addr.get_port());     
-        printf("Received Msg:\n%s\n\n", recevbuffer); 
-        time_t seconds = time(NULL);    //get current mcu rtc time
-        sprintf(sendbuffer,"HTTP/1.1 200 OK\n Content-type: text/plain\r\n\r\n <h1> Hello !!</h1>\r\n\n <h1>Time is: %s</h1>\r\n", ctime(&seconds));
-        client_sock->send(sendbuffer, strlen(sendbuffer));  // send data in buffer to http port.        
-        client_sock->close();
+        led=1; 
+            //this will fill address of client to the SocketAddress object
+        client_sock->getpeername(&client_addr);
+        printf("\nConnected,Client: %s Port: %d\n", client_addr.get_ip_address(), client_addr.get_port()); 
+            //receive client data, (set large enough buffer)
+        result = client_sock->recv(recevbuffer, 1024);        
+        if (result < 0) {
+            printf("Error! socket.recv() returned: %d\n", result);           
+        }    
+        
+        if(result){            
+            //printf("Received Msg:\n%s\n\n", recevbuffer);     // include to view complete receive buffer
+            sscanf(recevbuffer,"%s %s",requestType,request);
+            printf("request: %s Type: %s  charcters:%d\n", requestType,request,result);
+                   
+            if(strcmp(request,"/")==0){
+                //send current mcu rtc time to client
+                time_t seconds = time(NULL);
+                sprintf(sendbuffer,"HTTP/1.1 200 OK\n Content-type: text/plain\r\n\r\n <h1> Hello !!</h1>\r\n\n <h1>Time is: %s</h1>\r\n", ctime(&seconds));
+                printf("Sending Message\n");
+                result=client_sock->send(sendbuffer, strlen(sendbuffer));  // send data in buffer to http port.
+                printf("Sent Message, %d bytes\n",result);
+            } 
+            else if(strcmp(request,"/favicon.ico")==0){
+                //send favicon if requested
+                printf("Sending Favicon\n"); 
+                result=client_sock->send((char*)favicon_ico,sizeof(favicon_ico)); 
+                printf("Sent Favicon, %d bytes\n",result);                
+            }
+            else{
+                // send page not found reply
+                sprintf(sendbuffer,"HTTP/1.1 404 Not Found\nContent-type: text/plain\r\n\r\npage not found");
+                printf("Sending Not Found Message\n");
+                result=client_sock->send(sendbuffer, strlen(sendbuffer));
+                printf("Sent Not Found Message, %d bytes\n",result);
+            }            
+        }
+        else{
+            printf("Disconnected\n");
+            }            
+        //close socket       
+        client_sock->close();            
         led=0;
     }
 }