Made client exit gracefully upon server exit:

- The client now checks the return value of messageReceive.
- Renamed lists.c/.h to areadata.c/.h.

src/areadata.c

@@ -1,6 +1,6 @@
-// Implementation of lists library for SilverMUD.
-// Barry Kane, 2021
-#include "lists.h"
+// areadata.c: Implements functions for playerAreas and playerPaths in SilverMUD:
+// Barra Ó Catháin, 2022.
+#include "areadata.h"
 #include "playerdata.h"
 
 areaNode * createAreaList(playerArea * initialArea)

src/areadata.h

@@ -1,7 +1,7 @@
-// lists.h: A header file for the lists library for SilverMUD.
-// Barry Kane, 2021.
-#ifndef LISTS_H
-#define LISTS_H
+// areadata.h: Contains data structures and functions for playerAreas and playerPaths in SilverMUD:
+// Barra Ó Catháin, 2022.
+#ifndef AREADATA_H
+#define AREADATA_H
 #include "playerdata.h"
 
 typedef struct areaNode areaNode;

src/client/SilverMUDClient.c

@@ -13,6 +13,7 @@
 #include <arpa/inet.h>
 #include <sys/socket.h>
 #include <gnutls/gnutls.h>
+
 #include "../constants.h"
 #include "../playerdata.h"
 #include "../texteffects.h"
@@ -66,21 +67,29 @@ void * messageSender(void * parameters)
 		// Send the message off to the server:
 		messageSend(threadParameters->tlsSession, &sendBuffer);		
 	}
+
+	// Rejoin the main thread:
 	pthread_exit(NULL);
 }
 
 void * messageReceiver(void * parameters)
 {
-	struct threadparameters *threadParameters = parameters;
-	bool serverMessage = false;
+	int returnValue = 0;
 	userMessage receiveBuffer;
+	bool serverMessage = false;
+	struct threadparameters *threadParameters = parameters;
 	int screenWidth = getmaxx(threadParameters->window);
 	
 	// Repeatedly take messages from the server and print them to the chat log window:
 	while (!shouldExit) 
 	{
-		messageReceive(threadParameters->tlsSession, &receiveBuffer);
-		if (receiveBuffer.senderName[0] == '\0')
+		returnValue = messageReceive(threadParameters->tlsSession, &receiveBuffer);
+		// Check we haven't been disconnected:
+		if(returnValue == -10 || returnValue == 0)
+		{
+			shouldExit = true;
+		}
+		else if (receiveBuffer.senderName[0] == '\0')
 		{
 			wrapString(receiveBuffer.messageContent,
 					   strlen(receiveBuffer.messageContent) - 1, screenWidth);
@@ -123,7 +132,7 @@ void * messageReceiver(void * parameters)
 	pthread_exit(NULL);
 }
 	
-int main(int argc, char **argv)
+int main(int argc, char ** argv)
 {
 	int socketFileDesc;
 	struct sockaddr_in serverAddress;
@@ -276,6 +285,8 @@ int main(int argc, char **argv)
 	messageArea->window = newwin(3, COLS - 2, LINES - 4, 1);
 	messageArea->tlsSession = tlsSession;
 	messageArea->loggingFlag = gameLogging;
+
+	// Set the appropriate log pointers:
 	if (gameLog != NULL)
 	{
 		messageArea->loggingStream = gameLog;

src/gamelogic.h

@@ -3,7 +3,7 @@
 // Barry Kane, 2022.
 #ifndef GAMELOGIC_H
 #define GAMELOGIC_H
-#include "lists.h"
+#include "areadata.h"
 #include "constants.h"
 #include "playerdata.h"
 #include "inputoutput.h"

src/server/SilverMUDServer.c

@@ -16,7 +16,7 @@
 #include <netinet/in.h>
 #include <gnutls/gnutls.h>
 
-#include "../lists.h"
+#include "../areadata.h"
 #include "../gamelogic.h"
 #include "../constants.h"
 #include "../playerdata.h"
@@ -94,7 +94,7 @@ int main()
 	slowPrint("\n--==== \033[33;40mSILVERKIN INDUSTRIES\033[0m COMM-LINK SERVER ====--\nVersion Alpha 0.3\n", 5000);
 
 	// Seed random number generator from the current time:
-	srandom((unsigned) time(&currentTime));
+	srandom((unsigned)time(&currentTime));
 	
 	// Initialize the sockets to 0, so we don't crash.
 	for (int index = 0; index < PLAYERCOUNT; index++)  
@@ -114,7 +114,8 @@ int main()
 	{
 		slowPrint("\tSocket Creation is:\t\033[32;40mGREEN.\033[0m\n", 5000);
 	}
-  
+
+	// 
 	bzero(&serverAddress, sizeof(serverAddress));
   
 	// Assign IP and port: