Modified respondToClient function

server.c

@@ -17,16 +17,21 @@ void *respondToClient(void *args) {
     int clientFd = *((int *)args);
     while(1) {
         // printf("reading for client %d\n", clientFd);
-        char buffer[513];
+        // char buffer[513];
+        char *buffer = (char *)malloc(513*sizeof(char));
         int len = read(clientFd, buffer, 513);
-        // buffer[len] = '\0';
+        buffer[len] = '\0';
+        
         char key[100], value[100];
+        memset(key, '\0', 100);
+        memset(value, '\0', 100);
+
         char todo = buffer[0];
         // key: first non-zero till byte 257
         int i;
+        if(todo!='4'){
             for(i=1; buffer[i]=='0'; i++);
             // printf("I: %d %c\n", i, buffer[i]);
-
             printf("key length: %d\n", 257-i);
             memcpy(key, buffer+i, 257-i);
 
@@ -34,25 +39,38 @@ void *respondToClient(void *args) {
             for(i=257; buffer[i]=='0'; i++);
             printf("value length: %d\n", 513-i);
             memcpy(value, buffer+i, 513-i);
+        }
 
         switch(todo) {
             case '1':
                 printf("GET recvd\n");
                 printf("Key: %s\n", key);
+                write(clientFd, "Get returns\0", 12);
                 break;
             case '2':
                 printf("PUT recvd\n");
                 printf("Key: %s\n", key);
                 printf("Value: %s\n", value);
+                write(clientFd, "Put returns\0", 12);
                 break;
             case '3':
                 printf("DELETE recvd\n");
                 printf("Key: %s\n", key);
+                write(clientFd, "Delete returns\0", 15);
                 break;
+            case '4':
+                printf("Connection terminated\n");
+                write(clientFd, "Connection terminated\0", 22);
+                return NULL;
+                // break;
         }
 
         // printf("%s\n", buffer);
-        write(clientFd, "Client response\0", 16);
+        // write(clientFd, "Client response\0", 16);
+        // if (todo=='4')
+        // {
+            // return NULL;
+        // }
     }
 }