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root/i-scream/projects/cms/source/ihost/ihost.c

Comparing projects/cms/source/ihost/ihost.c (file contents):
Revision 1.9 by pajs, Fri May 17 11:21:17 2002 UTC vs.
Revision 1.17 by pajs, Mon May 20 12:28:46 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* Copyright (C) 2000-2002 i-scream
4	+	*
5	+	* This program is free software; you can redistribute it and/or
6	+	* modify it under the terms of the GNU General Public License
7	+	* as published by the Free Software Foundation; either version 2
8	+	* of the License, or (at your option) any later version.
9	+	*
10	+	* This program is distributed in the hope that it will be useful,
11	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13	+	* GNU General Public License for more details.
14	+	*
15	+	* You should have received a copy of the GNU General Public License
16	+	* along with this program; if not, write to the Free Software
17	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18	+	*/
19	+
20		#include <stdio.h>
2	–	#include <sys/socket.h>
21		#include <stdlib.h>
22		#include <unistd.h>
23		#include <syslog.h>
24		#include <netinet/in.h>
25		#include "ukcprog.h"
26		#include <netdb.h>
27	<	#include <strings.h>
27	>	#include <string.h>
28		#include "statgrab.h"
29	+	#include <time.h>
30	+	#include <sys/socket.h>
31	+	#include <netinet/in.h>
32	+	#include <arpa/inet.h>
33
34	+	#define versionNo 0.8
35		#define RECONFIGURE_RETURN_CODE 2
36		#define UDP_MAX_PACKET_SIZE 8192
37
38		typedef struct{
39		int fm_port;
40		char *fm_host;
41	<
41	>
42	>	char *my_ip;
43		char *my_fqdn;
44		char *server_fqdn;
45		int server_udp_port;
#	Line 40 | Line 64 | char* sock_comm(FILE *f_r, FILE *f_w, char *sendString
64		int ihost_configure(ihost_state_t *ihost_state){
65		struct sockaddr_in addr;
66		struct in_addr haddr;
67	+	struct sockaddr ip;
68	+	int ip_len;
69		int sd;
70		FILE *fm_fd_r, *fm_fd_w;
71		char *reply;
#	Line 81 | Line 107 | int ihost_configure(ihost_state_t *ihost_state){
107		errf("Failed to open write stream (%m)");
108		return -1;
109		}
110	+	ip_len=sizeof ip;
111	+	memset(&ip, 0, ip_len);
112	+	if((getsockname(sd, &ip, &ip_len)) != 0){
113	+	errf("Failed to get IP address (%m)");
114	+	return -1;
115	+	}
116	+	if (ip.sa_family!=AF_INET){
117	+	errf("sa family is wrong type");
118	+	return -1;
119	+	}
120	+
121	+	if((ihost_state->my_ip=inet_ntoa(((struct sockaddr_in *)&ip)->sin_addr))==NULL){
122	+	errf("Failed to get IP (%m)");
123	+	return -1;
124	+	}
125
126		reply=sock_comm(fm_fd_r, fm_fd_w, "STARTCONFIG");
127		if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
#	Line 274 | Line 315 | int heartbeat(ihost_state_t *ihost_state){
315		return -1;
316		}
317
318	+	fflush(fm_fd_r);
319	+	fflush(fm_fd_w);
320	+
321		if(fclose(fm_fd_r) !=0){
322		errf("Failed to close read FD (%m)");
323		return -1;
#	Line 323 | Line 367 | char *stat_grab(ihost_state_t *ihost_state, int counte
367		free(stats[x]);
368		}
369		xml_data_p=xml_data;
370	<	xml_data=strf("<packet seq_no=\"%d\" machine_name=\"%s\" date=\"%ld\" type=\"data\" ip=\"%s\" key=\"%s\">%s</packet>", counter, ihost_state->my_fqdn, time(NULL), "127.0.0.1", ihost_state->key, xml_data);
370	>	xml_data=strf("<packet seq_no=\"%d\" machine_name=\"%s\" date=\"%ld\" type=\"data\" ip=\"%s\" key=\"%s\">%s</packet>", counter, ihost_state->my_fqdn, time(NULL), ihost_state->my_ip, ihost_state->key, xml_data);
371		free(xml_data_p);
372
373		return xml_data;
#	Line 362 | Line 406 | int send_stats(ihost_state_t *ihost_state, char *data_
406		return -1;
407		}
408
409	+	close(sd);
410	+
411		return 0;
412		}
413
414	+	void usage(char *progname){
415	+	fprintf(stderr, "Usage %s [options] server port\n", progname);
416	+	fprintf(stderr, "Options\n");
417	+	fprintf(stderr, "  -v           Verbose, the more v flags the more verbose, eg -vv\n");
418	+	fprintf(stderr, "  -d           Daemon mode, self backgrounding\n");
419	+	fprintf(stderr, "  -s           Send errors to syslog\n");
420	+	fprintf(stderr, "  -V           Print version number\n");
421	+	fprintf(stderr, "  -h           Prints this help page\n");
422	+	exit(1);
423	+	}
424	+
425		int main(int argc, char **argv){
426		ihost_state_t ihost_state;
427		int heartbeat_exit;
428		int counter=0;
429	<	long udp_time=0, tcp_time=0, cur_time=0;
429	>	long udp_time=0, tcp_time=0, stat_grab_time=0, cur_time=0;
430		int sleep_delay=0;
431		char *xml_stats;
432
433	+	int cmdopt;
434	+	extern int optind;
435	+	int verbose=0, daemon=0, syslog=0 ;
436	+
437		/* NULL'ify so i can tell if i need to free it or not */
438		ihost_state.fm_host=NULL;
439		ihost_state.my_fqdn=NULL;
#	Line 382 | Line 443 | int main(int argc, char **argv){
443		ihost_state.key=NULL;
444
445		errf_set_progname(argv[0]);
446	<	if(argc!=3){
447	<	errf_usage("<host> <port>");
446	>
447	>	while((cmdopt=getopt(argc, argv, "vdshV")) != -1){
448	>	switch(cmdopt){
449	>	case 'v':
450	>	verbose++;
451	>	break;
452	>
453	>	case 'd':
454	>	daemon=1;
455	>	break;
456	>
457	>	case 's':
458	>	syslog=1;
459	>	break;
460	>
461	>	case 'h':
462	>	usage(argv[0]);
463	>	break;
464	>	case 'V':
465	>	errf("%s version %f",argv[0], versionNo);
466	>	break;
467	>	default:
468	>	usage(argv[0]);
469	>	exit(1);
470	>	}
471	>	}
472	>
473	>	if(argc!=optind+2){
474	>	usage(argv[0]);
475		exit(1);
476		}
477	+	ihost_state.fm_host=argv[optind];
478	+	ihost_state.fm_port=atoi(argv[optind+1]);
479	+	if(ihost_state.fm_port==0){
480	+	errf("Invalid port number");
481	+	usage(argv[0]);
482	+	}
483	+	printf("%s\n%d\n",ihost_state.fm_host, ihost_state.fm_port);
484
390	–	ihost_state.fm_host=argv[1];
391	–	ihost_state.fm_port=atoi(argv[2]);
392	–
485		if(ihost_configure(&ihost_state)!=0){
486		errf("configure failed");
487		/* Ok, ideally we prob should have 2 copies of the structure and carry on if this
#	Line 397 | Line 489 | int main(int argc, char **argv){
489		exit(1);
490		}
491
400	–	/* get starting stats */
401	–	if((heartbeat(&ihost_state)) == -1){
402	–	errf("inital heartbeat failed (%m)");
403	–	exit(1);
404	–	}
405	–
406	–
407	–	if((xml_stats=stat_grab(&ihost_state, counter)) == NULL){
408	–	errf("Failed to get stats (%m)");
409	–	exit(1);
410	–	}
411	–
412	–
492		for(;;){
493		cur_time=time(NULL);
494		if(cur_time>=tcp_time){
495	+	/*printf("sending TCP\n");*/
496		heartbeat_exit=heartbeat(&ihost_state);
497		if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
498	<	errf("heartbeat needs to be reconfigured");
498	>	/*errf("heartbeat needs to be reconfigured");*/
499		ihost_configure(&ihost_state);
500		/* So udp doesn't wait til next sending before updating */
501		udp_time=0;
#	Line 426 | Line 506 | int main(int argc, char **argv){
506		}
507		tcp_time=time(NULL)+ihost_state.tcp_update_time;
508		}
509	+
510		if(cur_time>=udp_time){
511	<	send_stats(&ihost_state, xml_stats);
512	<	free(xml_stats);
513	<	if((xml_stats=stat_grab(&ihost_state, counter)) == NULL){
511	>	/*printf("sending UDP\n");*/
512	>	stat_grab_time=time(NULL);
513	>	if((xml_stats=stat_grab(&ihost_state, counter++)) == NULL){
514		errf("Failed to get stats (%m)");
515		exit(1);
516		}
517	<	udp_time=time(NULL)+ihost_state.udp_update_time;
517	>	stat_grab_time=time(NULL)-stat_grab_time;
518	>	send_stats(&ihost_state, xml_stats);
519	>	free(xml_stats);
520	>	udp_time=time(NULL)+ihost_state.udp_update_time-stat_grab_time;
521		}
522	<	if(tcp_time>udp_time){
523	<	sleep_delay=time(NULL)-tcp_time;
522	>
523	>	if(tcp_time<udp_time){
524	>	sleep_delay=tcp_time-time(NULL);
525		}else{
526	<	sleep_delay=time(NULL)-udp_time;
526	>	sleep_delay=udp_time-time(NULL);
527		}
528	<	sleep(sleep_delay);
528	>
529	>	/*printf("tcp epoc: %ld \t udp epoc: %ld\ntime:%ld \tsleeping: %d\n", tcp_time, udp_time, time(NULL), sleep_delay);*/
530	>	if(sleep_delay>0) sleep(sleep_delay);
531		}
532		return 0;
533		}

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