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.

4 files changed, 8 insertions, 7 deletions

diff --git a/UnixDomainSocketServer/server b/UnixDomainSocketServer/server
index b90d066..05ff3ec 100755
--- a/UnixDomainSocketServer/server
+++ b/UnixDomainSocketServer/server
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;
diff --git a/customdhcpcd/src/customdhcpcd b/customdhcpcd/src/customdhcpcd
index 1fd0594..65aedd0 100755
--- a/customdhcpcd/src/customdhcpcd
+++ b/customdhcpcd/src/customdhcpcd
diff --git a/customdhcpcd/src/logwriter.c b/customdhcpcd/src/logwriter.c
index cc7a595..378d805 100644
--- a/customdhcpcd/src/logwriter.c
+++ b/customdhcpcd/src/logwriter.c
@@ -82,7 +82,7 @@ void sendToQt(log_msg * msg) {
 	int t;
 	const char *tpl = "%s;%d;%d;%s\n";
 	char *outbuf;
-	char ack[4];
+	char ack[8];
 	size_t outbuf_size = sizeof(char) * 4 + // ";" *3 + newline
 			sizeof(int) * 2 + // status, substatus
 			sizeof(msg->device) + // devicename
@@ -104,9 +104,10 @@ void sendToQt(log_msg * msg) {
 				msg->status, msg->substatus, msg->msg, msg->device);
 		//		fprintf(stdout, "ERROR writing to socket: %s", msg);
 	}
-	if ((t = recv(sockfd, ack, 4, 0)) > 0) {
-		ack[t] = '\0';
+	memset(ack,0,sizeof(ack));
+	if ((t = recv(sockfd, ack, sizeof(ack), 0)) > 0) {
 		syslog(LOG_ERR, "[fbgui] recv ack echo> %s", ack);
+		printf("received: %s\n", ack);
 	} else {
 		if (t < 0)
 			syslog(LOG_ERR, "[fbgui] ERROR receiving from socket");