we tried some fixes for the messge loss problem, but we failed. Sebastian will look at the code later. server is now a echo server which sends ack for every received message.

1 files changed, 4 insertions, 4 deletions

diff --git a/UnixDomainSocketServer/server.c b/UnixDomainSocketServer/server.c
index 7746b49..1faf499 100644
--- a/UnixDomainSocketServer/server.c
+++ b/UnixDomainSocketServer/server.c
@@ -17,7 +17,7 @@ int main(int argc, char *argv[]) {
 	int sockfd, newsockfd;
 	socklen_t clilen;
 	char buffer[1024];
-	char ack[4];
+	const char ack[4] = "ACK";
 	struct sockaddr_un serv_addr, cli_addr;
 	int n;
 
@@ -37,7 +37,6 @@ int main(int argc, char *argv[]) {
 		error("ERROR on listen");
 	}
 
-	strcpy(ack,"ACK");
 
 	for (;;) {
 		int done;
@@ -52,14 +51,15 @@ int main(int argc, char *argv[]) {
 		done = 0;
 
 		do {
-			bzero(buffer, 1024);
-			n = read(newsockfd, buffer, 1023);
+			bzero(buffer, 2048);
+			n = read(newsockfd, buffer, 2048);
 			if (n <= 0) {
 				if (n<0) error("ERROR reading from socket");
 				done = 1;
 			}
 			printf("Here is the message: \"%s\"\n", buffer);
 			if(!done) {
+				printf("send ACK");
 				if (send(newsockfd, ack, sizeof(ack), 0) < 0) {
 					error("ERROR on send");
 					done = 1;