From 2789d116982e7fa2aaf93455d43e7f4ad93a42fc Mon Sep 17 00:00:00 2001 From: Karl DeBisschop Date: Sun, 2 Mar 2003 06:01:18 +0000 Subject: add logic to check multiple servers git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@361 f882894a-f735-0410-b71e-b25c423dba1c --- plugins/check_ping.c | 105 +++++++++++++++++++++++++++++---------------------- 1 file changed, 60 insertions(+), 45 deletions(-) diff --git a/plugins/check_ping.c b/plugins/check_ping.c index 0c0f2e44..c75ad587 100644 --- a/plugins/check_ping.c +++ b/plugins/check_ping.c @@ -58,7 +58,7 @@ the contrib area of the downloads section at http://www.nagios.org\n\n" int process_arguments (int, char **); int get_threshold (char *, float *, int *); int validate_arguments (void); -int run_ping (char *); +int run_ping (char *, char *); void print_usage (void); void print_help (void); @@ -67,7 +67,9 @@ int wpl = UNKNOWN_PACKET_LOSS; int cpl = UNKNOWN_PACKET_LOSS; float wrta = UNKNOWN_TRIP_TIME; float crta = UNKNOWN_TRIP_TIME; -char *server_address = NULL; +char **addresses = NULL; +int n_addresses; +int max_addr = 1; int max_packets = -1; int verbose = FALSE; @@ -81,18 +83,14 @@ main (int argc, char **argv) { char *command_line = NULL; int result = STATE_UNKNOWN; + int i; + + addresses = malloc (max_addr); if (process_arguments (argc, argv) == ERROR) usage ("Could not parse arguments"); exit; - /* does the host address of number of packets argument come first? */ -#ifdef PING_PACKETS_FIRST - asprintf (&command_line, PING_COMMAND, max_packets, server_address); -#else - asprintf (&command_line, PING_COMMAND, server_address, max_packets); -#endif - /* Set signal handling and alarm */ if (signal (SIGALRM, popen_timeout_alarm_handler) == SIG_ERR) { printf ("Cannot catch SIGALRM"); @@ -102,43 +100,53 @@ main (int argc, char **argv) /* handle timeouts gracefully */ alarm (timeout_interval); - if (verbose) - printf ("%s ==> ", command_line); + for (i = 0 ; i < n_addresses ; i++) { - /* run the command */ - run_ping (command_line); + /* does the host address of number of packets argument come first? */ +#ifdef PING_PACKETS_FIRST + asprintf (&command_line, PING_COMMAND, max_packets, addresses[i]); +#else + asprintf (&command_line, PING_COMMAND, addresses[i], max_packets); +#endif - if (pl == UNKNOWN_PACKET_LOSS || rta == UNKNOWN_TRIP_TIME) { - printf ("%s\n", command_line); - terminate (STATE_UNKNOWN, - "Error: Could not interpret output from ping command\n"); - } + if (verbose) + printf ("%s ==> ", command_line); - if (pl >= cpl || rta >= crta || rta < 0) - result = STATE_CRITICAL; - else if (pl >= wpl || rta >= wrta) - result = STATE_WARNING; - else if (pl < wpl && rta < wrta && pl >= 0 && rta >= 0) - /* cannot use the max function because STATE_UNKNOWN is now 3 gt STATE_OK - result = max (result, STATE_OK); */ - if( !( (result == STATE_WARNING) || (result == STATE_CRITICAL) ) ) { - result = STATE_OK; + /* run the command */ + run_ping (command_line, addresses[i]); + + if (pl == UNKNOWN_PACKET_LOSS || rta == UNKNOWN_TRIP_TIME) { + printf ("%s\n", command_line); + terminate (STATE_UNKNOWN, + "Error: Could not interpret output from ping command\n"); } - - if (display_html == TRUE) - printf ("", CGIURL, server_address); - if (pl == 100) - printf ("PING %s - %sPacket loss = %d%%", state_text (result), warn_text, - pl); - else - printf ("PING %s - %sPacket loss = %d%%, RTA = %2.2f ms", - state_text (result), warn_text, pl, rta); - if (display_html == TRUE) - printf (""); - printf ("\n"); - if (verbose) - printf ("%f:%d%% %f:%d%%\n", wrta, wpl, crta, cpl); + if (pl >= cpl || rta >= crta || rta < 0) + result = STATE_CRITICAL; + else if (pl >= wpl || rta >= wrta) + result = STATE_WARNING; + else if (pl < wpl && rta < wrta && pl >= 0 && rta >= 0) + /* cannot use the max function because STATE_UNKNOWN is now 3 gt STATE_OK + result = max (result, STATE_OK); */ + if( !( (result == STATE_WARNING) || (result == STATE_CRITICAL) ) ) { + result = STATE_OK; + } + + if (display_html == TRUE) + printf ("", CGIURL, addresses[i]); + if (pl == 100) + printf ("PING %s - %sPacket loss = %d%%", state_text (result), warn_text, + pl); + else + printf ("PING %s - %sPacket loss = %d%%, RTA = %2.2f ms", + state_text (result), warn_text, pl, rta); + if (display_html == TRUE) + printf (""); + printf ("\n"); + + if (verbose) + printf ("%f:%d%% %f:%d%%\n", wrta, wpl, crta, cpl); + } return result; } @@ -200,7 +208,14 @@ process_arguments (int argc, char **argv) case 'H': /* hostname */ if (is_host (optarg) == FALSE) usage2 ("Invalid host name/address", optarg); - server_address = optarg; + n_addresses++; + if (n_addresses > max_addr) { + max_addr *= 2; + addresses = realloc (addresses, max_addr); + if (addresses == NULL) + terminate (STATE_UNKNOWN, "Could not realloc() addresses\n"); + } + addresses[n_addresses-1] = optarg; break; case 'p': /* number of packets to send */ if (is_intnonneg (optarg)) @@ -227,12 +242,12 @@ process_arguments (int argc, char **argv) if (c == argc) return validate_arguments (); - if (server_address == NULL) { + if (addresses[0] == NULL) { if (is_host (argv[c]) == FALSE) { printf ("Invalid host name/address: %s\n\n", argv[c]); return ERROR; } else { - server_address = argv[c++]; + addresses[0] = argv[c++]; if (c == argc) return validate_arguments (); } @@ -349,7 +364,7 @@ validate_arguments () int -run_ping (char *command_line) +run_ping (char *command_line, char *server_address) { char input_buffer[MAX_INPUT_BUFFER]; int result = STATE_UNKNOWN; -- cgit v1.2.3