ntk-console: Cleanup commands, accept command packets

* console commands now read as standardized struct packets
* responses are still character arrays

src/console.h

@@ -22,6 +22,7 @@
 #define CONSOLE_SOCKET_PATH 	"/tmp/ntk-console"
 #define CONSOLE_VERSION_MAJOR	0
 #define CONSOLE_VERSION_MINOR 	3
+#define CONSOLE_ARGV_LENGTH 	250
 #define CONSOLE_BUFFER_LENGTH 	250
 
 #ifndef TRUE
@@ -48,4 +49,12 @@ typedef enum {
 } command_t;
 
 
+#pragma pack(1)
+typedef struct {
+	command_t command;
+	char* argv[CONSOLE_ARGV_LENGTH];
+} cmd_packet_t;
+#pragma pack(0)
+
+
 #endif /* CONSOLE_H */

src/ntk-console-server.c

@@ -91,82 +91,64 @@ send_response(int session_fd, char response[CONSOLE_BUFFER_LENGTH], ...)
  * to data from ntkd structures such as: me 
  * into a response for the ntk console client. */
 
-static int
+static void
-request_processing(int session_fd, char unprocessed_request[CONSOLE_BUFFER_LENGTH])
+request_processing(int session_fd, cmd_packet_t packet)
 {
-	if(strncmp(unprocessed_request,"uptime", (int)strlen(unprocessed_request))  == 0)
+	switch (packet.command) {
+		case COMMAND_UPTIME:
 			send_response(session_fd, (char)time(0)-me.uptime);
-	
+			break;
-	else if(strncmp(unprocessed_request,"version", (int)strlen(unprocessed_request))  == 0)
+		case COMMAND_VERSION:
 			send_response(session_fd, VERSION_STR);
-	
+			break;
-	else if(strncmp(unprocessed_request,"inet_connected", (int)strlen(unprocessed_request))  == 0)
+		case COMMAND_CURIFS:
-		send_response(session_fd, (char)me.inet_connected);
-	
-	else if(strncmp(unprocessed_request,"cur_ifs", (int)strlen(unprocessed_request))  == 0)
 			send_response(session_fd, (char)me.cur_ifs);
-		
+			break;
-	else if(strncmp(unprocessed_request,"cur_ifs_n", (int)strlen(unprocessed_request))  == 0)
+		case COMMAND_CURIFSCT:
 			send_response(session_fd, (char)me.cur_ifs_n);
-		
+			break;
-	else if(strncmp(unprocessed_request,"cur_qspn_id", (int)strlen(unprocessed_request))  == 0)
+		case COMMAND_INETCONN:
+			send_response(session_fd, (char)me.inet_connected);
+			break;
+		case COMMAND_CURQSPNID:
 			send_response(session_fd, (char)me.cur_qspn_id);
-		
+			break;
-	else if(strncmp(unprocessed_request,"cur_ip", (int)strlen(unprocessed_request))  == 0)
+		case COMMAND_CURIP:
 			send_response(session_fd, (char)me.cur_ip.data);
-		
+			break;
-	/*else if(strncmp(unprocessed_request,"cur_node", (int)strlen(unprocessed_request))  == 0)
+		case COMMAND_CURNODE:
-		send_response(me.cur_node);
+			send_response(session_fd, (char)me.cur_node);
-		
+			break;
-	else if(strncmp(unprocessed_request,"ifs", (int)strlen(unprocessed_request))  == 0)
+		case COMMAND_IFS:
-		return 0;
+			send_response(session_fd, "IFS: TODO");
-		
+			break;
-	else if(strncmp(unprocessed_request,"ifs_n", (int)strlen(unprocessed_request))  == 0)
+		case COMMAND_IFSCT:
-		return 0;*/
+			send_response(session_fd, "IFS: TODO");
-	send_response(session_fd, unprocessed_request, " Is invalid or yet to be implemented.");
+			break;
-	return -1;
+		default:
+			send_response(session_fd, "Provided command is invalid or yet to be implemented.");
+			break;
+	}
 }
 
 
-static int
-request_receive(int sock, char message[], int max)
-{
-	int total = 0;
-	const int bsize = 1024;
-	char buffer[bsize+1];
-	int read = bsize;
-	 
-	message[0] = 0; // initialize for strcat()
-	
-	while(read == bsize) {
-		read = recv(sock, buffer, bsize, 0);
-		if(read < 0)
-			return -1; // error, bail out
-		total += read;
-		if(total > max)
-			return -2; // overflow
-		buffer[read] = 0;
-		strcat(message, buffer);
-	}
-	     
-	return total;
-}
-
 
 static void
 handle_session(int session_fd)
 {
-	char request[CONSOLE_BUFFER_LENGTH];
+	cmd_packet_t packetIn;
 
-	rc = request_receive(session_fd, request, CONSOLE_BUFFER_LENGTH);
+	rc = recv(session_fd, &packetIn, sizeof(packetIn), 0);
-	if (rc < 0) {
+
+	printf("%d bytes of data were received\n", rc);
+	if (rc < sizeof(packetIn)) {
 		perror("recv() failed");
 		exit(-1);
 	}
 	
-	printf("%d bytes of data were received\n", rc);
+	printf("0x%x command received\n", packetIn.command);
 	
-	request_processing(session_fd, request);
+	request_processing(session_fd, packetIn);
 }
 
 

src/ntk-console.c

@@ -100,19 +100,18 @@ request_receive(int sock, char message[], int max)
 
 /* Sends and receives to ntkd */
 void
-ntkd_request(char *request)
+ntkd_request(command_t command)
 {
 	if (sockfd <= 0) {
 		perror("ntkd connection closed unexpectedly!\n");
 		exit(-1);
 	}
 
-	int request_length = strlen(request) - 1;
+	cmd_packet_t packetOut;
-	request[request_length] = '\0';
+	packetOut.command = command;
 
-	printf("request: '%s'\n", request);
+	rc = send(sockfd, &packetOut, sizeof(packetOut), 0);
-	rc = send(sockfd, request, request_length, 0);
+	if (rc < sizeof(packetOut)) {
-	if (rc < 0) {
 		perror("send() failed");
 		exit(-1);
 	}
@@ -228,13 +227,13 @@ console(char* request)
 		case COMMAND_CURNODE:
 		case COMMAND_IFS:
 		case COMMAND_IFSCT:
-			ntkd_request(request);
+			ntkd_request(commandID);
 			millisleep(200);
 			break;
 		case COMMAND_VERSION:
 			printf("ntk-console version: %d.%d\n",
 				CONSOLE_VERSION_MAJOR, CONSOLE_VERSION_MINOR);
-			ntkd_request(request);
+			ntkd_request(commandID);
 			break;
 		case COMMAND_CONSUPTIME:
 			console_uptime();