Added filename creation to basic connection

src/wstationd.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <unistd.h>
+#include <time.h>
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
@@ -36,12 +37,20 @@ int main(int argc, char *argv[])
 		{ NULL, 0, NULL, 0 }
 	};
 
-	exec_name = basename(argv[0]);
-
 	int flag = 1;
 	int sockfd = 0, connfd = 0;
 	int port = 10800;
 	uint32_t addr = INADDR_ANY;
+	struct sockaddr_in sock;
+
+	struct sockaddr_in client;
+	socklen_t client_sz = sizeof(client);
+	char timebuff[15], fnbuff[35];
+
+	time_t timeraw;
+	struct tm* timeptr;
+
+	exec_name = basename(argv[0]);
 
 	for(int ch; (ch = getopt_long(argc, argv, "b:p:vh", longopts, NULL)) != -1;){
 		switch(ch){
@@ -83,32 +92,50 @@ int main(int argc, char *argv[])
 
 	setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &flag, sizeof(flag));
 
-	struct sockaddr_in sockin;
-	memset(&sockin, 0, sizeof(sockin));
-	sockin.sin_family = AF_INET;
-	sockin.sin_addr.s_addr = addr;
-	sockin.sin_port = htons(port);
+	memset(&sock, 0, sizeof(sock));
+	sock.sin_family = AF_INET;
+	sock.sin_addr.s_addr = addr;
+	sock.sin_port = htons(port);
 
-	if(bind(sockfd, (struct sockaddr*)&sockin, sizeof(sockin)) < 0){
+	if(bind(sockfd, (struct sockaddr*)&sock, sizeof(sock)) < 0){
 		fprintf(stderr, "%s: cannot bind to port - %s\n",
 			exec_name, strerror(errno)
 		);
 		goto shutdown_error;
 	}
 
-	if(listen(sockfd, 10) != 0){
+	if(listen(sockfd, 5) != 0){
 		fprintf(stderr, "%s: cannot listen - %s\n",
 			exec_name, strerror(errno)
 		);
 		goto shutdown_error;
 	}
 
-	connfd = accept(sockfd, NULL, NULL);
-	if(connfd == -1){
-		fprintf(stderr, "%s: connection failed - %s\n",
-			exec_name, strerror(errno)
-		);
-		goto shutdown_error;
+	while(1){
+		// Wait for a connection on our bound socket
+		connfd = accept(sockfd, (struct sockaddr*)&client, &client_sz);
+		if(connfd == -1){
+			fprintf(stderr, "%s: accept failed - %s\n",
+				exec_name, strerror(errno)
+			);
+			goto shutdown_error;
+		}
+
+		// Collect the time of the connection, process it into 
+		// a short string
+		time(&timeraw);
+		timeptr = localtime(&timeraw);
+		strftime(&timebuff[0], 15, "%Y%m%d%H%M%S", timeptr);
+		timeptr = NULL;
+
+		// Take the short date/time connection string and add the client address
+		// to create a filename
+		snprintf(&fnbuff[0], 34, "%s-%s.dat", timebuff, inet_ntoa(client.sin_addr));
+
+		fprintf(stdout, "filename: %s\n", fnbuff);
+
+		// We're done, close the connection
+		close(connfd); connfd = 0;
 	}
 
 	shutdown_clean: