X-Git-Url: http://sigaev.ru/git/gitweb.cgi?p=remotetop.git;a=blobdiff_plain;f=topd.c;fp=topd.c;h=1f1378cad071ae2cbd837300fb3fc36393eaa8cb;hp=56a7e037b83c7c9d8f50db98517773071986d761;hb=e3fdb3b9f9b62a71c2a11b5e27ee47214901a3e2;hpb=0db0da94f6e0d2809d5176cb408f40773d6073ca

diff --git a/topd.c b/topd.c
index 56a7e03..1f1378c 100644
--- a/topd.c
+++ b/topd.c
@@ -44,46 +44,65 @@ static int continueWork=1;
 
 static void
 inquireExit(int s) {
-        continueWork=0;
+	continueWork=0;
 }
-                                
+				
 extern char *optarg;
 extern int optind;
 
+void
+usage() {
+	fputs(
+		"Copyright (c) 2004-2007 Teodor Sigaev <teodor@sigaev.ru>. All rights reserved.\n"
+		"topd - daemon to collect load data from clients\n"
+		"Usage:\n"
+		"./top [-D] -h IP [-p PORT] [-n NUMCLIENTS]\n"
+		"  -D        - debug mode (do not daemonize, print to stderr instead of syslog)\n"
+		"  -h HOST   - listen IP\n"
+		"  -p PORT   - listen port\n"
+		"  -n NUMCLIENTS - max number of clients\n",
+		stdout
+	);
+	exit(1);
+}
 int
 main( int argc, char *argv[] ) {
 	int ch;
 	int child=0, listenport = TOPD_SERVER_DEFAULT_PORT;
-        int n=1024;
-	char *host="127.0.0.1";
+	int n=1024;
+	char *host=NULL;
 
 	memset( &cfg, 0, sizeof(TCServer) );
 
-	while( (ch=getopt(argc, argv, "h:p:c:s:D"))!=-1) {
+	while( (ch=getopt(argc, argv, "h:p:c:D"))!=-1) {
 		switch(ch) {
-                        case 'D':
-                                cfg.debug=1;
-                                break;
-                        case 'h':
-                                host=strdup(optarg);
-                                break;
-                        case 'p':
-                                listenport=atoi(optarg);
-                                break;
-                        case 'n':
-                                n=atoi(optarg);
-                                break;
+			case 'D':
+				cfg.debug=1;
+				break;
+			case 'h':
+				host=strdup(optarg);
+				break;
+			case 'p':
+				listenport=atoi(optarg);
+				break;
+			case 'n':
+				n=atoi(optarg);
+				break;
 			default:
+				usage();
 				return 1;
 		}
 	}
 
+	if (!host);
+		usage();
+
 	signal(SIGCHLD, SIG_IGN);
 
-        if ( cfg.debug )
-                opentlog( TL_OPEN_STDERR,  TL_DEBUG, NULL);
-        else
-                opentlog( TL_OPEN_SYSLOG, TL_INFO, NULL);
+	if ( cfg.debug )
+		opentlog( TL_OPEN_STDERR,  TL_DEBUG, NULL);
+	else
+		opentlog( TL_OPEN_SYSLOG, TL_INFO, NULL);
 
 	if ( cfg.debug || (child = fork()) == 0 ) {
 		/* child */