From e66efbbe8df2dd4e7de0a1e9bd129cf92e00f92f Mon Sep 17 00:00:00 2001
From: vikle012 <viktor.leek@liu.se>
Date: Wed, 11 Sep 2019 13:57:14 +0200
Subject: Initializes repo.

---
 Kod/display/ClientServerApp/Client/Client.cpp | 151 ++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 Kod/display/ClientServerApp/Client/Client.cpp

(limited to 'Kod/display/ClientServerApp/Client/Client.cpp')

diff --git a/Kod/display/ClientServerApp/Client/Client.cpp b/Kod/display/ClientServerApp/Client/Client.cpp
new file mode 100644
index 0000000..efd08fe
--- /dev/null
+++ b/Kod/display/ClientServerApp/Client/Client.cpp
@@ -0,0 +1,151 @@
+//============================================================================
+// Name        : Client.cpp
+// Author      : Erik Hellström, hellstrom@isy.liu.se, 2008-12-14
+// Modified    : Emil Larsson, lime@isy.liu.se, 2012-01-13
+//
+// Description : The client requests data to be sent by the server.
+//
+//============================================================================
+
+#include <stdio.h>
+#include <string>
+#include "ComConduit.h"
+
+//
+// Show the command-line usage
+//
+void Usage(char* argv[]) {
+
+	printf("\nUsage: %s <options>\n\n",argv[0]);
+	printf("  -S=<message> Send message, ex -S=\"hello world\".\n");
+	printf("  -X           Shutdown server.\n");
+	printf("\n\n");
+}
+
+
+
+
+
+//
+// Module main function
+//
+int main(int argc, char* argv[]) {
+
+	// Conduit object
+	ComConduit Link;
+	// Key
+	KeyType key[KEY_LEN] = COM_KEY;
+	// Work variables
+	wchar_t data[COMSTR_LEN];
+	bool doShutdown;
+	FlagType ret;
+	int i,j;
+	char c,*ptr;
+	WaitResult wr;
+
+	// Initialize data
+	data[0] = '\0';
+	doShutdown = false;
+
+	//
+	// Parse the command-line.
+	//
+	for (i=1; i<argc; i++) {
+		ptr = argv[i];
+
+		while(*ptr == '-') // Step forward
+			ptr++;
+		c = *ptr;          // Get option
+		ptr++;
+		if(*ptr == '=')   // Step forward
+			ptr++;
+
+		switch(c) {
+
+	case 'S':
+	case 's':
+		// Read message
+		j = 0;
+		do {
+			// add 1 to avoid the "null" character
+//			data[j] = (*ptr)+1;
+			data[j] = (*ptr);
+			ptr++;
+			j++;
+		} while(j<COMSTR_LEN && *ptr != '\0');
+		if(j >= COMSTR_LEN) {
+			fprintf(stderr,"\nToo long message.\n");
+			return EXIT_FAIL;
+		}
+		data[j] = '\0';
+		break;
+
+	case 'X':
+	case 'x':
+		// Shutdown
+		doShutdown = true;
+		break;
+		}
+	}
+
+	// Check valid args
+	if(!doShutdown && data[0] == '\0') {
+		Usage(argv);
+		return EXIT_FAIL;
+	}
+
+	//
+	// Start client
+	//
+	if(!Link.StartClient(key)) {
+		fprintf(stderr,"StartClient() failed.\n");
+		return EXIT_FAIL;
+	}
+
+	ret = EXIT_OK;
+	if(doShutdown) {
+		// Tell server to shutdown
+		if(!Link.CauseShutdown()) {
+			fprintf(stderr,"\nCauseShutdown() failed.\n");
+			ret = EXIT_FAIL;
+		}
+	}
+	else {
+		do {
+			// Check if server is ready
+			wr = Link.WaitForEvent(COM_READY,0);      
+			if(wr != WAIT_OK) {
+				fprintf(stderr,"Server is not ready.\n");
+				ret = EXIT_FAIL;
+				break;
+			}
+
+			// Set data in shm
+			if(!Link.SetData(data)) {
+				fprintf(stderr,"SetData() failed.\n");
+				ret = EXIT_FAIL;
+				break;
+			}
+
+			// Request that the server send the data
+			if(!Link.CauseEvent(COM_REQUEST)) {
+				fprintf(stderr,"CauseEvent() failed.\n");
+				ret = EXIT_FAIL;
+				break;
+			}
+		} while(false);
+	}
+
+	//
+	// Shutdown
+	//
+	if(!Link.Shutdown()) {
+		fprintf(stderr,"Shutdown() failed.\n");
+		ret = EXIT_FAIL;
+	}
+	if(ret == EXIT_OK)
+		fprintf(stdout, "\nClean exit.\n");
+
+	return ret;
+}
+
-- 
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