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

Comparing projects/cms/source/ihost/ihost.c (file contents):
Revision 1.8 by pajs, Mon May 13 11:01:27 2002 UTC vs.
Revision 1.11 by tdb, Sat May 18 18:15:56 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>
21		#include <sys/socket.h>
22		#include <stdlib.h>
23		#include <unistd.h>
24		#include <syslog.h>
25		#include <netinet/in.h>
26	<	#include <ukcprog.h>
26	>	#include "ukcprog.h"
27		#include <netdb.h>
28		#include <strings.h>
29	+	#include "statgrab.h"
30
31		#define RECONFIGURE_RETURN_CODE 2
32	+	#define UDP_MAX_PACKET_SIZE 8192
33
34		typedef struct{
35		int fm_port;
#	Line 59 | Line 80 | int ihost_configure(ihost_state_t *ihost_state){
80		return -1;
81		}
82
83	<	memset((char *)&addr, 0, sizeof addr);
83	>	memset(&addr, 0, sizeof addr);
84		addr.sin_family = AF_INET;
85	<	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
85	>	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
86		addr.sin_port =  htons(ihost_state->fm_port);
87
88		if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
#	Line 142 | Line 163 | int ihost_configure(ihost_state_t *ihost_state){
163
164		reply=sock_comm(fm_fd_r, fm_fd_w, "FILTER");
165		if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
166	<	errf("Server error (%m)");
166	>	errf("Server error FILTER failed (%m)");
167		return -1;
168		}
169		reply_ptr=strchr(reply,';');
#	Line 206 | Line 227 | int heartbeat(ihost_state_t *ihost_state){
227		return -1;
228		}
229
230	<	memset((char *)&addr, 0, sizeof addr);
230	>	memset(&addr, 0, sizeof addr);
231		addr.sin_family = AF_INET;
232	<	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
232	>	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
233		addr.sin_port =  htons(ihost_state->server_tcp_port);
234
235		if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
#	Line 232 | Line 253 | int heartbeat(ihost_state_t *ihost_state){
253		errf("Server error");
254		return -1;
255		}
256	<	if (ihost_state->fm_host!=NULL) free(ihost_state->fm_host);
256	>
257		reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG");
258		if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
259		errf("Server error");
#	Line 272 | Line 293 | int heartbeat(ihost_state_t *ihost_state){
293		return -1;
294		}
295
296	+	fflush(fm_fd_r);
297	+	fflush(fm_fd_w);
298	+
299		if(fclose(fm_fd_r) !=0){
300		errf("Failed to close read FD (%m)");
301		return -1;
#	Line 284 | Line 308 | int heartbeat(ihost_state_t *ihost_state){
308		return exitcode;
309		}
310
311	+	char *stat_grab(ihost_state_t *ihost_state, int counter){
312	+	#define NUM_STATS 9
313	+	char *stats[NUM_STATS];
314	+	char *xml_data=NULL;
315	+	char *xml_data_p;
316	+	int x=0;
317	+
318	+	stats[0]=get_cpu_stats();
319	+	stats[1]=get_disk_stats();
320	+	stats[2]=get_load_stats();
321	+	stats[3]=get_memory_stats();
322	+	stats[4]=get_os_info();
323	+	stats[5]=get_page_stats();
324	+	stats[6]=get_process_stats();
325	+	stats[7]=get_swap_stats();
326	+	stats[8]=get_user_stats();
327
328	+	for(;x<NUM_STATS;x++){
329	+	if(stats[x]==NULL){
330	+	return NULL;
331	+	}
332	+	if(xml_data==NULL){
333	+	if((xml_data=strf("%s", stats[x])) == NULL){
334	+	errf("str failed (%m)");
335	+	return NULL;
336	+	}
337	+	}else{
338	+	xml_data_p=xml_data;
339	+	if((xml_data=strf("%s%s", xml_data, stats[x])) == NULL){
340	+	errf("str failed (%m)");
341	+	return NULL;
342	+	}
343	+	free(xml_data_p);
344	+	}
345	+	free(stats[x]);
346	+	}
347	+	xml_data_p=xml_data;
348	+	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);
349	+	free(xml_data_p);
350	+
351	+	return xml_data;
352	+	}
353	+
354	+	int send_stats(ihost_state_t *ihost_state, char *data_stream){
355	+	struct sockaddr_in addr;
356	+	struct in_addr haddr;
357	+
358	+	int sd;
359	+	size_t len;
360	+
361	+	len=strlen(data_stream);
362	+	if(len>UDP_MAX_PACKET_SIZE){
363	+	errf("Too big to send to server. Please reconfigure client and server and recompile");
364	+	exit(1);
365	+	}
366	+
367	+	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
368	+	errf("Failed to resolve address %s (%m)", ihost_state->fm_host);
369	+	return -1;
370	+	}
371	+
372	+	if((sd=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){
373	+	errf("failed to create UDP socket (%m)");
374	+	return -1;
375	+	}
376	+
377	+	memset(&addr, 0, sizeof(addr));
378	+	addr.sin_family=AF_INET;
379	+	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
380	+	addr.sin_port =  htons(ihost_state->server_udp_port);
381	+
382	+	if((sendto(sd, data_stream, len, 0, (struct sockaddr *) &addr, sizeof(addr))) != len){
383	+	errf("Send the wrong number of bytes (%m)");
384	+	return -1;
385	+	}
386	+
387	+	close(sd);
388	+
389	+	return 0;
390	+	}
391	+
392		int main(int argc, char **argv){
393		ihost_state_t ihost_state;
394		int heartbeat_exit;
395		int counter=0;
396	+	long udp_time=0, tcp_time=0, stat_grab_time=0, cur_time=0;
397	+	int sleep_delay=0;
398	+	char *xml_stats;
399
293	–
400		/* NULL'ify so i can tell if i need to free it or not */
401		ihost_state.fm_host=NULL;
402		ihost_state.my_fqdn=NULL;
#	Line 315 | Line 421 | int main(int argc, char **argv){
421		exit(1);
422		}
423
424	<	while(TRUE){
424	>	for(;;){
425	>	cur_time=time(NULL);
426	>	if(cur_time>=tcp_time){
427	>	/*printf("sending TCP\n");*/
428	>	heartbeat_exit=heartbeat(&ihost_state);
429	>	if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
430	>	/*errf("heartbeat needs to be reconfigured");*/
431	>	ihost_configure(&ihost_state);
432	>	/* So udp doesn't wait til next sending before updating */
433	>	udp_time=0;
434	>	}
435	>	if(heartbeat_exit==-1){
436	>	errf("ah crap");
437	>	exit(1);
438	>	}
439	>	tcp_time=time(NULL)+ihost_state.tcp_update_time;
440	>	}
441
442	<	heartbeat_exit=heartbeat(&ihost_state);
443	<	if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
444	<	errf("heartbeat needs to be reconfigured");
445	<	ihost_configure(&ihost_state);
442	>	if(cur_time>=udp_time){
443	>	/*printf("sending UDP\n");*/
444	>	stat_grab_time=time(NULL);
445	>	if((xml_stats=stat_grab(&ihost_state, counter)) == NULL){
446	>	errf("Failed to get stats (%m)");
447	>	exit(1);
448	>	}
449	>	stat_grab_time=time(NULL)-stat_grab_time;
450	>	send_stats(&ihost_state, xml_stats);
451	>	free(xml_stats);
452	>	udp_time=time(NULL)+ihost_state.udp_update_time-stat_grab_time;
453		}
454	<	if(heartbeat_exit==-1){
455	<	errf("ah crap");
456	<	exit(1);
457	<	}
458	<	printf("Count : %d\n",counter++);
459	<	printf("waiting %d\n",ihost_state.tcp_update_time);
460	<	sleep(ihost_state.tcp_update_time);
454	>
455	>	if(tcp_time<udp_time){
456	>	sleep_delay=tcp_time-time(NULL);
457	>	}else{
458	>	sleep_delay=udp_time-time(NULL);
459	>	}
460	>
461	>	/*printf("tcp epoc: %ld \t udp epoc: %ld\ntime:%ld \tsleeping: %d\n", tcp_time, udp_time, time(NULL), sleep_delay);*/
462	>	if(sleep_delay>0) sleep(sleep_delay);
463		}
464		return 0;
465		}

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