ViewVC Help

View File | Revision Log | Show Annotations | Revision Graph | Root Listing

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

Comparing projects/cms/source/ihost/ihost.c (file contents):
Revision 1.1 by pajs, Fri May 10 17:11:30 2002 UTC vs.
Revision 1.25 by pajs, Wed May 22 09:01:01 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* http://www.i-scream.org.uk
4	+	* Copyright (C) 2000-2002 i-scream
5	+	*
6	+	* This program is free software; you can redistribute it and/or
7	+	* modify it under the terms of the GNU General Public License
8	+	* as published by the Free Software Foundation; either version 2
9	+	* of the License, or (at your option) any later version.
10	+	*
11	+	* This program is distributed in the hope that it will be useful,
12	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	+	* GNU General Public License for more details.
15	+	*
16	+	* You should have received a copy of the GNU General Public License
17	+	* along with this program; if not, write to the Free Software
18	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19	+	*/
20	+
21		#include <stdio.h>
2	–	#include <sys/socket.h>
22		#include <stdlib.h>
23	+	#include <sys/types.h>
24		#include <unistd.h>
25		#include <syslog.h>
26		#include <netinet/in.h>
27	<	#include <ukcprog.h>
27	>	#include "ukcprog.h"
28		#include <netdb.h>
29	<	#include <strings.h>
29	>	#include <string.h>
30	>	#include "statgrab.h"
31	>	#include <time.h>
32	>	#include <sys/socket.h>
33	>	#include <arpa/inet.h>
34	>	#include <syslog.h>
35
36	+	#define VERSION_NO "1.0rc1"
37	+	#define RECONFIGURE_RETURN_CODE 2
38	+	#define UDP_MAX_PACKET_SIZE 8192
39	+	#define PID_FILE "/var/tmp/.ihost.pid"
40	+
41	+	#define logmessage(level, ...) do { cur_level = level; errf(__VA_ARGS__); } while (0)
42	+
43		typedef struct{
44		int fm_port;
45		char *fm_host;
46	<
46	>
47	>	char *my_ip;
48		char *my_fqdn;
49		char *server_fqdn;
50		int server_udp_port;
51		int server_tcp_port;
52	<	long last_modified;
52	>	char *last_modified;
53		char *files_list;
54		char *key;
55		int udp_update_time;
#	Line 24 | Line 57 | typedef struct{
57
58		}ihost_state_t;
59
60	<	char* sock_comm(FILE *f, char* sendString){
61	<	char *reply;
60	>	static int log_level;
61	>	static int cur_level;
62	>	static int syslog_logging;
63
64	<	fprintf(f, sendString);
65	<	fflush(f);
66	<	reply=fpgetline(f);
64	>	void log_errors(const char *message){
65	>	if(log_level>=cur_level){
66	>	if (syslog_logging==1){
67	>	syslog(cur_level, "%s\n", message);
68	>	}else{
69	>	fprintf(stderr, "%s\n", message);
70	>	}
71	>	}
72	>	}
73	>
74	>	char* sock_comm(FILE *f_r, FILE *f_w, char *sendString){
75	>	char *reply;
76	>	logmessage(LOG_DEBUG, "Sending %s",sendString);
77	>	fprintf(f_w, "%s\n", sendString);
78	>	fflush(f_w);
79	>	reply=fpgetline(f_r);
80	>	if (reply!=NULL) logmessage(LOG_DEBUG, "Received %s", reply);
81		/* Returns pointer to static buffer */
82		return reply;
83		}
#	Line 37 | Line 85 | char* sock_comm(FILE *f, char* sendString){
85		int ihost_configure(ihost_state_t *ihost_state){
86		struct sockaddr_in addr;
87		struct in_addr haddr;
88	+	struct sockaddr ip;
89	+	int ip_len;
90		int sd;
91	<	FILE *fm_fd;
91	>	FILE *fm_fd_r, *fm_fd_w;
92		char *reply;
93	+	char *reply_ptr;
94
95	+	/* Check to see if anything needs to be free'd */
96	+	if (ihost_state->my_fqdn!=NULL) free(ihost_state->my_fqdn);
97	+	if (ihost_state->server_fqdn!=NULL) free(ihost_state->server_fqdn);
98	+	if (ihost_state->last_modified!=NULL) free(ihost_state->last_modified);
99	+	if (ihost_state->files_list!=NULL) free(ihost_state->files_list);
100	+
101	+	logmessage(LOG_DEBUG, "Setting up configure socket to %s on port %d", ihost_state->fm_host, ihost_state->fm_port);
102		if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) {
103	<	errf("Can't create AF_INET socket (%m)");
103	>	logmessage(LOG_ERR, "Can't create AF_INET socket (%m)");
104		return -1;
105		}
106
107		if (get_host_addr(ihost_state->fm_host, &haddr) != 0){
108	<	errf("Failed to resolve address %s (%m)", ihost_state->fm_host);
108	>	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->fm_host);
109		return -1;
110		}
111
112	<	memset((char *)&addr, 0, sizeof addr);
112	>	memset(&addr, 0, sizeof addr);
113		addr.sin_family = AF_INET;
114	<	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
114	>	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
115		addr.sin_port =  htons(ihost_state->fm_port);
116
117		if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
118	<	errf("Failed to connect to %s on port %d (%m)", ihost_state->fm_host, ihost_state->fm_port);
118	>	logmessage(LOG_ERR, "Failed to connect to %s on port %d (%m)", ihost_state->fm_host, ihost_state->fm_port);
119		return -1;
120		}
121
122	<	if ((fm_fd=fdopen(sd,"r+")) == NULL){
123	<	errf("Failed to open stream (%m)");
122	>	/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
123	>	if ((fm_fd_r=fdopen(sd,"r")) == NULL){
124	>	logmessage(LOG_ERR, "Failed to open read stream (%m)");
125		return -1;
126		}
127	<
128	<	reply=sock_comm(fm_fd, "STARTCONFIG\n");
129	<	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
71	<	errf("Server error");
127	>
128	>	if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
129	>	logmessage(LOG_ERR, "Failed to open write stream (%m)");
130		return -1;
131		}
132	<
133	<	reply=sock_comm(fm_fd, "LASTMODIFIED\n");
134	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){
135	<	errf("Server error (%m)");
132	>	ip_len=sizeof ip;
133	>	memset(&ip, 0, ip_len);
134	>	if((getsockname(sd, &ip, &ip_len)) != 0){
135	>	logmessage(LOG_ERR, "Failed to get IP address (%m)");
136		return -1;
137		}
138	<	ihost_state->last_modified=atol(reply);
138	>	if (ip.sa_family!=AF_INET){
139	>	logmessage(LOG_ERR, "sa family is wrong type");
140	>	return -1;
141	>	}
142	>
143	>	if(ihost_state->my_ip!=NULL) free(ihost_state->my_ip);
144	>	if((ihost_state->my_ip=strdup(inet_ntoa(((struct sockaddr_in *)&ip)->sin_addr)))==NULL){
145	>	logmessage(LOG_ERR, "Failed to get IP (%m)");
146	>	return -1;
147	>	}
148
149	<	reply=sock_comm(fm_fd, "FILELIST\n");
150	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){
151	<	errf("Server error (%m)");
149	>	reply=sock_comm(fm_fd_r, fm_fd_w, "STARTCONFIG");
150	>	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
151	>	logmessage(LOG_ERR, "Server error on STARTCONFIG");
152		return -1;
153		}
154	<	if((ihost_state->files_list=strdup(reply)) == NULL){
155	<	errf("strdup failed (%m)");
154	>
155	>	reply=sock_comm(fm_fd_r, fm_fd_w, "LASTMODIFIED");
156	>	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
157	>	logmessage(LOG_ERR, "Server error on LASTMODIFIED (%m)");
158		return -1;
159		}
160	+	if((ihost_state->last_modified=strdup(reply)) == NULL){
161	+	logmessage(LOG_ERR, "strdup failed (%m)");
162	+	return -1;
163	+	}
164
165	<	reply=sock_comm(fm_fd, "FQDN\n");
166	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){
167	<	errf("Server error (%m)");
165	>	reply=sock_comm(fm_fd_r, fm_fd_w, "FILELIST");
166	>	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
167	>	logmessage(LOG_ERR, "Server error on FILELIST (%m)");
168		return -1;
169		}
170	+	if((ihost_state->files_list=strdup(reply)) == NULL){
171	+	logmessage(LOG_ERR, "strdup failed (%m)");
172	+	return -1;
173	+	}
174	+
175	+	reply=sock_comm(fm_fd_r, fm_fd_w, "FQDN");
176	+	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
177	+	logmessage(LOG_ERR, "Server error on FQDN (%m)");
178	+	return -1;
179	+	}
180		if((ihost_state->my_fqdn=strdup(reply)) == NULL){
181	<	errf("strdup failed (%m)");
181	>	logmessage(LOG_ERR, "strdup failed (%m)");
182		return -1;
183		}
184
185	<	reply=sock_comm(fm_fd, "UDPUpdateTime\n");
185	>	reply=sock_comm(fm_fd_r, fm_fd_w, "UDPUpdateTime");
186		if(reply== NULL){
187	<	errf("Server error (%m)");
187	>	logmessage(LOG_ERR, "Server error (%m)");
188		return -1;
189		}
190		if (strncasecmp(reply, "ERROR", 5) != 0){
191		ihost_state->udp_update_time=atoi(reply);
192		}
193	<
194	<	reply=sock_comm(fm_fd, "TCPUpdateTime\n");
193	>
194	>	reply=sock_comm(fm_fd_r, fm_fd_w, "TCPUpdateTime");
195		if(reply== NULL){
196	<	errf("Server error (%m)");
196	>	logmessage(LOG_ERR, "Server error on TCPUpdateTime (%m)");
197		return -1;
198		}
199		if (strncasecmp(reply, "ERROR", 5) != 0){
200		ihost_state->tcp_update_time=atoi(reply);
201		}
202
203	<	reply=sock_comm(fm_fd, "ENDCONFIG\n");
203	>	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDCONFIG");
204		if(reply== NULL){
205	<	errf("Server error (%m)");
205	>	logmessage(LOG_ERR, "Server error on ENDCONFIG (%m)");
206		return -1;
207		}
208
209	<
209	>	reply=sock_comm(fm_fd_r, fm_fd_w, "FILTER");
210	>	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
211	>	logmessage(LOG_ERR, "Server error FILTER failed (%m)");
212	>	return -1;
213	>	}
214	>	reply_ptr=strchr(reply,';');
215	>	if (reply_ptr==NULL){
216	>	logmessage(LOG_ERR, "Incorrect data returned");
217	>	return -1;
218	>	}
219	>	*reply_ptr='\0';
220	>	if((ihost_state->server_fqdn=strdup(reply)) == NULL){
221	>	logmessage(LOG_ERR, "strdup failed (%m)");
222	>	return -1;
223	>	}
224	>	reply=reply_ptr + 1;
225	>	reply_ptr=strchr(reply,';');
226	>	if (reply_ptr==NULL){
227	>	logmessage(LOG_ERR, "Incorrect data returned 2");
228	>	return -1;
229	>	}
230	>	*reply_ptr='\0';
231	>	ihost_state->server_udp_port=atoi(reply);
232	>	reply=reply_ptr+1;
233	>	ihost_state->server_tcp_port=atoi(reply);
234	>	if ((ihost_state->server_tcp_port==0) || (ihost_state->server_udp_port==0)){
235	>	logmessage(LOG_ERR, "Incorrect data returned 3 ");
236	>	return -1;
237	>	}
238
239	+	reply=sock_comm(fm_fd_r, fm_fd_w, "END");
240	+	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
241	+	logmessage(LOG_ERR, "Server error on END (%m)");
242	+	return -1;
243	+	}
244
245	+	if(fclose(fm_fd_r) !=0){
246	+	logmessage(LOG_ERR, "Failed to close read FD (%m)");
247	+	return -1;
248	+	}
249	+	if(fclose(fm_fd_w) !=0){
250	+	logmessage(LOG_ERR, "Failed to close write FD (%m)");
251	+	return -1;
252	+	}
253	+
254		return 0;
255	+	}
256
257	+	int heartbeat(ihost_state_t *ihost_state){
258	+	struct sockaddr_in addr;
259	+	struct in_addr haddr;
260	+	int sd;
261	+	FILE *fm_fd_r, *fm_fd_w;
262	+	char *reply;
263	+	int exitcode=0;
264	+
265	+	logmessage(LOG_DEBUG, "Setting up configure socket to %s on port %d", ihost_state->server_fqdn, ihost_state->server_tcp_port);
266	+	if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) {
267	+	logmessage(LOG_ERR, "Can't create AF_INET socket (%m)");
268	+	return -1;
269	+	}
270	+
271	+	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
272	+	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->server_fqdn);
273	+	return -1;
274	+	}
275	+
276	+	memset(&addr, 0, sizeof addr);
277	+	addr.sin_family = AF_INET;
278	+	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
279	+	addr.sin_port =  htons(ihost_state->server_tcp_port);
280	+
281	+	if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
282	+	logmessage(LOG_ERR, "Failed to connect to %s on port %d (%m)", ihost_state->server_fqdn, ihost_state->server_tcp_port);
283	+	return -1;
284	+	}
285	+
286	+	/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
287	+	if ((fm_fd_r=fdopen(sd,"r")) == NULL){
288	+	logmessage(LOG_ERR, "Failed to open stream (%m)");
289	+	return -1;
290	+	}
291	+
292	+	if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
293	+	logmessage(LOG_ERR, "Failed to open stream (%m)");
294	+	return -1;
295	+	}
296	+
297	+	reply=sock_comm(fm_fd_r, fm_fd_w, "HEARTBEAT");
298	+	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
299	+	logmessage(LOG_ERR, "Server error on HEARTBEAT");
300	+	return -1;
301	+	}
302	+
303	+	reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG");
304	+	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
305	+	logmessage(LOG_ERR, "Server error on CONFIG");
306	+	return -1;
307	+	}
308	+
309	+	reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->files_list);
310	+	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
311	+	logmessage(LOG_ERR, "Server error on fileslist");
312	+	return -1;
313	+	}
314	+
315	+	reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->last_modified);
316	+	if (reply==NULL) {
317	+	logmessage(LOG_ERR, "Server error NULL recieved on lastmodified");
318	+	return -1;
319	+	}
320	+	if (strncasecmp(reply, "ERROR", 5) == 0){
321	+	/* Means the config has changed */
322	+	logmessage(LOG_INFO, "Recieved ERROR from server for a reconfigure required");
323	+	exitcode=RECONFIGURE_RETURN_CODE;
324	+	}
325	+
326	+	reply=sock_comm(fm_fd_r, fm_fd_w, "KEY");
327	+	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
328	+	logmessage(LOG_ERR, "Server error on KEY");
329	+	return -1;
330	+	}
331	+	if (ihost_state->key!=NULL) free(ihost_state->key);
332	+
333	+	if((ihost_state->key=strdup(reply)) == NULL){
334	+	logmessage(LOG_ERR, "strdup failed (%m)");
335	+	return -1;
336	+	}
337	+
338	+	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDHEARTBEAT");
339	+	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
340	+	logmessage(LOG_ERR, "Server error on ENDHEARTBEAT (%m)");
341	+	return -1;
342	+	}
343	+
344	+	fflush(fm_fd_r);
345	+	fflush(fm_fd_w);
346	+
347	+	if(fclose(fm_fd_r) !=0){
348	+	logmessage(LOG_ERR, "Failed to close read FD (%m)");
349	+	return -1;
350	+	}
351	+	if(fclose(fm_fd_w) !=0){
352	+	logmessage(LOG_ERR, "Failed to close write FD (%m)");
353	+	return -1;
354	+	}
355	+
356	+	return exitcode;
357		}
358
359	<	int main(){
359	>	char *stat_grab(ihost_state_t *ihost_state, int counter){
360	>	#define NUM_STATS 9
361	>	char *stats[NUM_STATS];
362	>	char *xml_data=NULL;
363	>	char *xml_data_p;
364	>	int xml_size=0;
365	>	int x=0;
366
367	+	logmessage(LOG_DEBUG,"get_cpu_stats");
368	+	stats[0]=get_cpu_stats();
369	+	logmessage(LOG_DEBUG,"get_disk_stats");
370	+	stats[1]=get_disk_stats();
371	+	logmessage(LOG_DEBUG,"get_load_stats");
372	+	stats[2]=get_load_stats();
373	+	logmessage(LOG_DEBUG,"get_memory_stats");
374	+	stats[3]=get_memory_stats();
375	+	logmessage(LOG_DEBUG,"get_os_info");
376	+	stats[4]=get_os_info();
377	+	logmessage(LOG_DEBUG,"get_page_stats");
378	+	stats[5]=get_page_stats();
379	+	logmessage(LOG_DEBUG,"get_process_stats");
380	+	stats[6]=get_process_stats();
381	+	logmessage(LOG_DEBUG,"get_swap_stats");
382	+	stats[7]=get_swap_stats();
383	+	logmessage(LOG_DEBUG,"get_user_stats");
384	+	stats[8]=get_user_stats();
385	+
386	+
387	+	for(x=0;x<NUM_STATS;x++){
388	+	if(stats[x]==NULL){
389	+	logmessage(LOG_ERR,"Function returned NULL");
390	+	return NULL;
391	+	}
392	+	xml_size+=strlen(stats[x]);
393	+	}
394	+
395	+	xml_data=malloc(xml_size+1);
396	+	xml_data=strcpy(xml_data, stats[0]);
397	+	free(stats[0]);
398	+	for(x=1;x<NUM_STATS;x++){
399	+	strcat(xml_data, stats[x]);
400	+	free(stats[x]);
401	+	}
402	+
403	+	xml_data_p=xml_data;
404	+	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);
405	+	free(xml_data_p);
406	+
407	+	logmessage(LOG_DEBUG,"Generated XML Data of : %s", xml_data);
408	+	return xml_data;
409	+	}
410	+
411	+	int send_stats(ihost_state_t *ihost_state, char *data_stream){
412	+	struct sockaddr_in addr;
413	+	struct in_addr haddr;
414	+
415	+	int sd;
416	+	size_t len;
417	+
418	+	len=strlen(data_stream);
419	+	if(len>UDP_MAX_PACKET_SIZE){
420	+	logmessage(LOG_ERR, "Too big to send to server. Please reconfigure client and server and recompile");
421	+	exit(1);
422	+	}
423	+	logmessage(LOG_DEBUG,"Resolving IP of server");
424	+	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
425	+	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->server_fqdn);
426	+	return -1;
427	+	}
428	+	logmessage(LOG_DEBUG,"Creating UDP socket to %s on %d",ihost_state->server_fqdn, ihost_state->server_udp_port);
429	+	if((sd=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){
430	+	logmessage(LOG_ERR, "failed to create UDP socket (%m)");
431	+	return -1;
432	+	}
433	+
434	+	memset(&addr, 0, sizeof(addr));
435	+	addr.sin_family=AF_INET;
436	+	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
437	+	addr.sin_port =  htons(ihost_state->server_udp_port);
438	+
439	+	logmessage(LOG_INFO,"Sending packet : %s", data_stream);
440	+	if((sendto(sd, data_stream, len, 0, (struct sockaddr *) &addr, sizeof(addr))) != len){
441	+	logmessage(LOG_ERR, "Send the wrong number of bytes (%m)");
442	+	return -1;
443	+	}
444	+
445	+	close(sd);
446	+
447	+	return 0;
448	+	}
449	+
450	+	void usage(char *progname){
451	+	fprintf(stderr, "Usage %s [options] server port\n", progname);
452	+	fprintf(stderr, "Options\n");
453	+	fprintf(stderr, "  -v           Verbose, the more v flags the more verbose, eg -vv\n");
454	+	fprintf(stderr, "  -d           Daemon mode, self backgrounding\n");
455	+	fprintf(stderr, "  -s           Send errors to syslog\n");
456	+	fprintf(stderr, "  -V           Print version number\n");
457	+	fprintf(stderr, "  -h           Prints this help page\n");
458	+	exit(1);
459	+	}
460	+
461	+	int main(int argc, char **argv){
462	+	ihost_state_t ihost_state;
463	+	int heartbeat_exit;
464	+	int counter=0;
465	+	long udp_time=0, tcp_time=0, stat_grab_time=0, cur_time=0;
466	+	int sleep_delay=0;
467	+	char *xml_stats;
468	+	pid_t pid;
469	+	int cmdopt;
470	+	extern int optind;
471	+	int verbose=0, daemon=0;
472	+	extern int syslog_logging;
473	+	extern int log_level;
474	+	extern int cur_level;
475	+	FILE *f;
476	+
477	+	log_level=1;
478	+	cur_level=1;
479	+	syslog_logging=0;
480	+
481	+	errf_set_ofunc(log_errors);
482	+	/* NULL'ify so i can tell if i need to free it or not */
483	+	ihost_state.fm_host=NULL;
484	+	ihost_state.my_fqdn=NULL;
485	+	ihost_state.server_fqdn=NULL;
486	+	ihost_state.last_modified=NULL;
487	+	ihost_state.files_list=NULL;
488	+	ihost_state.key=NULL;
489	+	ihost_state.my_ip=NULL;
490	+
491	+	errf_set_progname(argv[0]);
492	+
493	+
494	+	while((cmdopt=getopt(argc, argv, "vdshV")) != -1){
495	+	switch(cmdopt){
496	+	case 'v':
497	+	verbose++;
498	+	break;
499	+
500	+	case 'd':
501	+	/* Force syslog logging since stderr will be closed in this case */
502	+	syslog_logging=1;
503	+	daemon=1;
504	+	break;
505	+
506	+	case 's':
507	+	syslog_logging=1;
508	+	break;
509	+
510	+	case 'h':
511	+	usage(argv[0]);
512	+	break;
513	+
514	+	case 'V':
515	+	errf("%s version %s",argv[0], VERSION_NO);
516	+	break;
517	+
518	+	default:
519	+	usage(argv[0]);
520	+	exit(1);
521	+	}
522	+	}
523	+
524	+	if(argc!=optind+2){
525	+	usage(argv[0]);
526	+	exit(1);
527	+	}
528	+	ihost_state.fm_host=argv[optind];
529	+	ihost_state.fm_port=atoi(argv[optind+1]);
530	+	if(ihost_state.fm_port==0){
531	+	errf("Invalid port number");
532	+	usage(argv[0]);
533	+	}
534	+
535	+	if(daemon==1){
536	+	pid=fork();
537	+	if(pid==-1){
538	+	errf("Fork failed, can't background. Exiting");
539	+	exit(1);
540	+	}else if(pid!=0){
541	+	/* Parent process */
542	+	return 0;
543	+	}
544	+	/* We should now be in the background*/
545	+	if(setsid()==-1){
546	+	errf("setsid failed (%m)");
547	+	exit(1);
548	+	}
549	+	fclose(stdin);
550	+	fclose(stdout);
551	+	fclose(stderr);
552	+	}
553	+
554	+	if(syslog_logging==1){
555	+	openlog(errf_get_progname(),0,LOG_ERR);
556	+	setlogmask(LOG_UPTO(LOG_DEBUG));
557	+	}
558	+
559	+	switch(verbose){
560	+	case 0:
561	+	/* Critical errors + */
562	+	log_level=LOG_ERR;
563	+	break;
564	+	case 1:
565	+	/* Recoverable errors */
566	+	log_level=LOG_WARNING;
567	+	break;
568	+	case 2:
569	+	/* Print stuff like the XML packets */
570	+	log_level=LOG_INFO;
571	+	break;
572	+	default:
573	+	/* Must have lots of v's */
574	+	/* Print out everything its doing */
575	+	log_level=LOG_DEBUG;
576	+	break;
577	+	}
578	+
579	+	logmessage(LOG_DEBUG,"Writing PID FILE");
580	+	pid=getpid();
581	+	if((f=fopen(PID_FILE,"w")) == NULL){
582	+	logmessage(LOG_WARNING, "Failed to write PID file (%m)");
583	+	}else{
584	+	if((fprintf(f,"%d",(int)pid)) <= 0 ){
585	+	logmessage(LOG_WARNING, "Failed to write PID file (%m)");
586	+	}
587	+	if((fclose(f))!=0){
588	+	logmessage(LOG_ERR, "failed to close PID file");
589	+	exit(1);
590	+	}
591	+	}
592	+
593	+	if(ihost_configure(&ihost_state)!=0){
594	+	logmessage(LOG_ERR,"configure failed");
595	+	/* Ok, ideally we prob should have 2 copies of the structure and carry on if this
596	+	happens.. But we dont :) (at the moment) */
597	+	exit(1);
598	+	}
599	+
600	+	for(;;){
601	+	cur_time=time(NULL);
602	+	if(cur_time>=tcp_time){
603	+	logmessage(LOG_DEBUG,"Sending heartbeat");
604	+	heartbeat_exit=heartbeat(&ihost_state);
605	+	if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
606	+	logmessage(LOG_INFO,"heartbeat needs to be reconfigured");
607	+	ihost_configure(&ihost_state);
608	+	udp_time=0;
609	+	}
610	+	if(heartbeat_exit==-1){
611	+	logmessage(LOG_ERR,"Heartbeat failed");
612	+	exit(1);
613	+	}
614	+	tcp_time=time(NULL)+ihost_state.tcp_update_time;
615	+	logmessage(LOG_DEBUG,"next tcp time should be %d", tcp_time);
616	+	}
617	+
618	+	if(cur_time>=udp_time){
619	+	logmessage(LOG_DEBUG,"Sending udp data");
620	+	/* Work out how long it takes to get the stats for next time round
621	+	so the sleep time can be adjusted accordingly */
622	+	stat_grab_time=time(NULL);
623	+	if((xml_stats=stat_grab(&ihost_state, counter++)) == NULL){
624	+	logmessage(LOG_ERR,"Failed to get stats (%m)");
625	+	exit(1);
626	+	}
627	+	stat_grab_time=time(NULL)-stat_grab_time;
628	+	send_stats(&ihost_state, xml_stats);
629	+	free(xml_stats);
630	+	udp_time=time(NULL)+ihost_state.udp_update_time-stat_grab_time;
631	+	logmessage(LOG_DEBUG,"next udp time should be %d", udp_time);
632	+	}
633	+
634	+	if(tcp_time<udp_time){
635	+	sleep_delay=tcp_time-time(NULL);
636	+	}else{
637	+	sleep_delay=udp_time-time(NULL);
638	+	}
639	+	logmessage(LOG_DEBUG,"Sleeping for %d", sleep_delay);
640	+	if(sleep_delay>0) sleep(sleep_delay);
641	+	}
642		return 0;
643		}
644

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines