Add function definition to header file

already connected to a remote address

includes/sock.hpp

@@ -56,6 +56,9 @@ public:
 	/* Returns socket identifier */
 	int getSockFD();
 
+	/* Returns whether or not the given socket is connected to a remote address */
+	bool has_remote_address();
+
 	/* This is a pure virtual function (AKA an abstract function). It's purpose
 	is to be redefined by the children classes (client and server). */
 	virtual int get_type() = 0;

sock.cpp

@@ -37,6 +37,13 @@ Sock::Sock(char protocol, const char* address, int port) {
 	this->address = std::string(address);
 }
 
+/* This method returns whether or not the socket is connected to a remote address */
+bool Sock::has_remote_address() {
+    struct sockaddr_storage addr;
+    socklen_t len = sizeof(addr);
+    return getpeername(this->sock_fd, (struct sockaddr*)&addr, &len) == 0;
+}
+
 /* This method sends the given data, through the  'other_sockt' variable.. Client
 and server classes extend this method, by setting this variable to different values.
 This function needs more testing for TCP, as it focuses on UDP right now. */
@@ -48,7 +55,13 @@ void Sock::sendAll(std::string to_send) {
 
 	/* For UDP sockets */
 	if (this->protocol == ES_UDP) {
-		if (sendto(this->sock_fd, to_send.data(), str_length, 0, (struct sockaddr *)dest, addrlen) == -1) {
+	    int retval;
+		if (this->has_remote_address()) {
+            retval = send(this->sock_fd, to_send.data(), str_length, 0);
+        } else {
+            retval = sendto(this->sock_fd, to_send.data(), str_length, 0, (struct sockaddr *)dest, addrlen);
+        }
+        if (retval == -1) {
 			throw errno;
 		}
 	}