Enhance request handling by improving key generation randomness and adding...

Enhance request handling by improving key generation randomness and adding input tokenization for better request parsing

prak3/src/client.cpp

@@ -9,7 +9,7 @@
 pid_t pid = getpid();
 
 std::string generateRandomKey() {
-    return "key" + std::to_string(rand() % 100);
+    return "key" + std::to_string(rand() % 10000);
 }
 
 
@@ -93,7 +93,8 @@ int main(int argc, char* argv[]) {
 
     int sock;
     struct sockaddr_in server_address;
-    char* buffer[bufferSize] = {0};
+    
+    char buffer[bufferSize] = {0};
 
     // Socket erstellen
     sock = socket(AF_INET, SOCK_STREAM, 0);

prak3/src/server.cpp

@@ -46,10 +46,38 @@ struct Request {
     // Create a new Request struct
     Request* req = new Request();
 
+    // Copy the input buffer to a mutable string for tokenization
+    char* input = strdup(buffer); // Duplicate the buffer
+    if (!input) {
+        return nullptr; // Handle memory allocation failure
+    }
+
+    // Tokenize the input string using ',' and ';' as delimiters
+    char* token = strtok(input, ",;");
+    if (token) {
+        // First token is the operation
+        req->operation = token[0]; // Extract the first character (s, g, or d)
+
+        // Second token is the key
+        token = strtok(nullptr, ",;");
+        if (token) {
+            req->key = token;
+
+            // Third token is the value (only for store operation)
+            if (req->operation == 's') {
+                token = strtok(nullptr, ",;");
+                if (token) {
+                    req->value = token;
+                }
+            }
+        }
+    }
+
+    // Free the duplicated input string
+    free(input);
     return req;
 }
 
-// we assume that this function is slow
 std::string processRequest_slow(const std::string& request) {
 
     std::string response;   
@@ -80,7 +108,7 @@ std::string processRequest_slow(const std::string& request) {
             response = "Invalid operation!";
             break;
     }
-
+    free(parsedRequest);
     return response;
 }
 //=============================================
@@ -154,6 +182,7 @@ void handle_client(int client_socket) {
 
         send(client_socket, response.c_str(), response.size(), 0);
     }
+
     close(client_socket);
 }