added 'tracemode' - thanks to Fabian

Changelog

@@ -1,5 +1,10 @@
 Changelog
 
+29/07/04 (Fabian)
+-tracemode (-t)
+
+-------------------------------------------------
+
 06/07/04 (Arnout)
 -added support for monitoring multiple interfaces 
  at once

nethogs.cpp

@@ -22,8 +22,9 @@ extern "C" {
 #include "process.h"
 #include "refresh.h"
 
-bool needrefresh = true;
 unsigned refreshdelay = 1;
+bool tracemode = false;
+bool needrefresh = true;
 
 char * currentdevice = NULL;
 
@@ -56,7 +57,6 @@ void process (u_char * args, const struct pcap_pkthdr * header, const u_char * m
 	}
 	connection = new Connection (packet);
 	Process * process = getProcess(connection, currentdevice);
-	
 	if (needrefresh)
 	{
 		do_refresh();
@@ -76,8 +76,10 @@ void quit_cb (int i)
 
 void forceExit(const char *msg)
 {
+	if ((!tracemode)&&(!DEBUG)){
 	        clear();
 	        endwin();
+	}
 	std::cerr << msg << std::endl;
         exit(0);
 }
@@ -93,6 +95,7 @@ static void help(void)
 	std::cerr << "usage: nethogs [-V] [-d] [device]\n";
 	std::cerr << "		-V : prints version.\n";
 	std::cerr << "		-d : delay for update refresh rate in seconds. default is 1.\n";
+	std::cerr << "		-t : tracemode.\n";
 	std::cerr << "		device : device to monitor. default is eth0\n";
 }
 
@@ -131,6 +134,8 @@ int main (int argc, char** argv)
 					  exit(0);
 				case 'h': help();
 					  exit(0);
+				case 't': tracemode = true;
+					  break;
 				case 'd': if (argv[1])
 					  {
 						argv++;
@@ -149,17 +154,17 @@ int main (int argc, char** argv)
 
 	if (devices == NULL)
 		devices = new device (strdup("eth0"));
-#if DEBUG
-#else
+
+	if ((!tracemode) && (!DEBUG)){
 		WINDOW * screen = initscr();
 		raw();
 		noecho();
 		cbreak();
 		nodelay(screen, TRUE);
-#endif
 		caption = new std::string ("NetHogs");
 		caption->append(version);
 		caption->append(", running at ");
+	}
 
 	if (NEEDROOT && (getuid() != 0))
 		forceExit("You need to be root to run NetHogs !");
@@ -170,8 +175,10 @@ int main (int argc, char** argv)
 	device * current_dev = devices;
 	while (current_dev != NULL) {
 		getLocal(current_dev->name);
+		if ((!tracemode) && (!DEBUG)){
 			caption->append(current_dev->name);
 			caption->append(" ");
+		}
 
 		pcap_t * newhandle = pcap_open_live(current_dev->name, BUFSIZ, 0, 100, errbuf); 
 		if (newhandle != NULL)
@@ -185,7 +192,6 @@ int main (int argc, char** argv)
 	signal (SIGALRM, &alarm_cb);
 	signal (SIGINT, &quit_cb);
 	alarm (refreshdelay);
-
 	while (1)
 	{
 		handle * current_handle = handles;
@@ -195,7 +201,8 @@ int main (int argc, char** argv)
 			pcap_dispatch (current_handle->content, -1, process, NULL);
 			current_handle = current_handle->next;
 		}
-		if (!DEBUG) {
+
+		if ((!DEBUG)&&(!tracemode)) {
 			switch (getch()) {
 				case 'q':
 					/* quit */

process.cpp

@@ -262,9 +262,12 @@ public:
 
 	void show (int row)
 	{
-#if DEBUG
+		if (DEBUG || tracemode)
+		{
 			std::cout << m_name << "\t" << sent_kbps << "\t" << recv_kbps << std::endl;
-#else
+			return;
+		}
+
 		mvprintw (3+row, 0, "%d", m_pid);
 		char * username = uid2username(m_uid);
 		mvprintw (3+row, 6, "%s", username);
@@ -274,12 +277,6 @@ public:
 		mvprintw (3+row, 6 + 9 + PROGNAME_WIDTH + 2 + 6, "%10.3f", sent_kbps);
 		mvprintw (3+row, 6 + 9 + PROGNAME_WIDTH + 2 + 6 + 9 + 3, "%10.3f", recv_kbps);
 		mvprintw (3+row, 6 + 9 + PROGNAME_WIDTH + 2 + 6 + 9 + 3 + 11, "KB/sec", recv_kbps);
-		// TODO fix
-		//if(m_kbps-upload_kbps>upload_kbps)
-		//          mvprintw (3+row, 6 + 20 + PROGNAME_WIDTH + 2, "<<<<");
-		//   else   mvprintw (3+row, 6 + 20 + PROGNAME_WIDTH + 2, ">>>>");
-
-#endif
 	}
 
 	double sent_kbps;
@@ -320,7 +317,11 @@ int count_processes()
 
 void do_refresh()
 {
-	if (!DEBUG)
+	if (DEBUG || tracemode)
+	{
+		std::cout << "Refreshing:\n";
+	}
+	else
 	{
 		clear();
 		mvprintw (0, 0, "%s", caption->c_str());
@@ -328,8 +329,6 @@ void do_refresh()
 		mvprintw (2, 0, "  PID USER     PROGRAM                      DEV        SENT      RECEIVED       ");
 		attroff(A_REVERSE);
 	}
-	else
-		std::cout << "Refreshing:\n";
 	ProcList * curproc = processes;
 	ProcList * lastproc = NULL;
 	int nproc = count_processes();
@@ -387,7 +386,7 @@ void do_refresh()
 		lines[i]->show(i);
 		delete lines[i];
 	}
-	if (!DEBUG)
+	if ((!tracemode) && (!DEBUG))
 		refresh();
 }
 

process.h

@@ -5,6 +5,8 @@
 #include "nethogs.h"
 #include "connection.h"
 
+extern bool tracemode;
+
 class ConnList
 {
 public: