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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 1.20 by pajs, Tue May 21 14:36:23 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 <sys/types.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>
28	>	#include <string.h>
29	>	#include "statgrab.h"
30	>	#include <time.h>
31	>	#include <sys/socket.h>
32	>	#include <netinet/in.h>
33	>	#include <arpa/inet.h>
34	>	#include <syslog.h>
35
36	+	#define versionNo 0.8
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	>	fprintf(f_w, "%s\n", sendString);
77	>	fflush(f_w);
78	>	reply=fpgetline(f_r);
79		/* Returns pointer to static buffer */
80		return reply;
81		}
#	Line 37 | Line 83 | char* sock_comm(FILE *f, char* sendString){
83		int ihost_configure(ihost_state_t *ihost_state){
84		struct sockaddr_in addr;
85		struct in_addr haddr;
86	+	struct sockaddr ip;
87	+	int ip_len;
88		int sd;
89	<	FILE *fm_fd;
89	>	FILE *fm_fd_r, *fm_fd_w;
90		char *reply;
91	+	char *reply_ptr;
92
93	+	/* Check to see if anything needs to be free'd */
94	+	if (ihost_state->my_fqdn!=NULL) free(ihost_state->my_fqdn);
95	+	if (ihost_state->server_fqdn!=NULL) free(ihost_state->server_fqdn);
96	+	if (ihost_state->last_modified!=NULL) free(ihost_state->last_modified);
97	+	if (ihost_state->files_list!=NULL) free(ihost_state->files_list);
98	+
99	+	logmessage(LOG_DEBUG, "Setting up configure socket to %s on port %d", ihost_state->fm_host, ihost_state->fm_port);
100		if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) {
101	<	errf("Can't create AF_INET socket (%m)");
101	>	logmessage(LOG_ERR, "Can't create AF_INET socket (%m)");
102		return -1;
103		}
104
105		if (get_host_addr(ihost_state->fm_host, &haddr) != 0){
106	<	errf("Failed to resolve address %s (%m)", ihost_state->fm_host);
106	>	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->fm_host);
107		return -1;
108		}
109
110	<	memset((char *)&addr, 0, sizeof addr);
110	>	memset(&addr, 0, sizeof addr);
111		addr.sin_family = AF_INET;
112	<	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
112	>	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
113		addr.sin_port =  htons(ihost_state->fm_port);
114
115		if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
116	<	errf("Failed to connect to %s on port %d (%m)", ihost_state->fm_host, ihost_state->fm_port);
116	>	logmessage(LOG_ERR, "Failed to connect to %s on port %d (%m)", ihost_state->fm_host, ihost_state->fm_port);
117		return -1;
118		}
119
120	<	if ((fm_fd=fdopen(sd,"r+")) == NULL){
121	<	errf("Failed to open stream (%m)");
120	>	/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
121	>	if ((fm_fd_r=fdopen(sd,"r")) == NULL){
122	>	logmessage(LOG_ERR, "Failed to open read stream (%m)");
123		return -1;
124		}
125	<
126	<	reply=sock_comm(fm_fd, "STARTCONFIG\n");
127	<	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
71	<	errf("Server error");
125	>
126	>	if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
127	>	logmessage(LOG_ERR, "Failed to open write stream (%m)");
128		return -1;
129		}
130	<
131	<	reply=sock_comm(fm_fd, "LASTMODIFIED\n");
132	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){
133	<	errf("Server error (%m)");
130	>	ip_len=sizeof ip;
131	>	memset(&ip, 0, ip_len);
132	>	if((getsockname(sd, &ip, &ip_len)) != 0){
133	>	logmessage(LOG_ERR, "Failed to get IP address (%m)");
134		return -1;
135		}
136	<	ihost_state->last_modified=atol(reply);
136	>	if (ip.sa_family!=AF_INET){
137	>	logmessage(LOG_ERR, "sa family is wrong type");
138	>	return -1;
139	>	}
140
141	<	reply=sock_comm(fm_fd, "FILELIST\n");
142	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){
84	<	errf("Server error (%m)");
141	>	if((ihost_state->my_ip=inet_ntoa(((struct sockaddr_in *)&ip)->sin_addr))==NULL){
142	>	logmessage(LOG_ERR, "Failed to get IP (%m)");
143		return -1;
144	+	}
145	+
146	+	logmessage(LOG_DEBUG, "Sending STARTCONIG");
147	+	reply=sock_comm(fm_fd_r, fm_fd_w, "STARTCONFIG");
148	+	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
149	+	logmessage(LOG_ERR, "Server error on STARTCONFIG");
150	+	return -1;
151		}
152	<	if((ihost_state->files_list=strdup(reply)) == NULL){
153	<	errf("strdup failed (%m)");
152	>
153	>	logmessage(LOG_DEBUG, "Sending LASTMODIFIED");
154	>	reply=sock_comm(fm_fd_r, fm_fd_w, "LASTMODIFIED");
155	>	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
156	>	logmessage(LOG_ERR, "Server error on LASTMODIFIED (%m)");
157		return -1;
158		}
159	+	if((ihost_state->last_modified=strdup(reply)) == NULL){
160	+	logmessage(LOG_ERR, "strdup failed (%m)");
161	+	return -1;
162	+	}
163
164	<	reply=sock_comm(fm_fd, "FQDN\n");
165	<	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){
166	<	errf("Server error (%m)");
164	>	logmessage(LOG_DEBUG, "Sending FILELIST");
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	+	logmessage(LOG_DEBUG, "Sending FQDN");
176	+	reply=sock_comm(fm_fd_r, fm_fd_w, "FQDN");
177	+	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
178	+	logmessage(LOG_ERR, "Server error on FQDN (%m)");
179	+	return -1;
180	+	}
181		if((ihost_state->my_fqdn=strdup(reply)) == NULL){
182	<	errf("strdup failed (%m)");
182	>	logmessage(LOG_ERR, "strdup failed (%m)");
183		return -1;
184		}
185
186	<	reply=sock_comm(fm_fd, "UDPUpdateTime\n");
186	>	logmessage(LOG_DEBUG, "Sending FQDN");
187	>	reply=sock_comm(fm_fd_r, fm_fd_w, "UDPUpdateTime");
188		if(reply== NULL){
189	<	errf("Server error (%m)");
189	>	logmessage(LOG_ERR, "Server error (%m)");
190		return -1;
191		}
192		if (strncasecmp(reply, "ERROR", 5) != 0){
193		ihost_state->udp_update_time=atoi(reply);
194		}
195	<
196	<	reply=sock_comm(fm_fd, "TCPUpdateTime\n");
195	>
196	>	logmessage(LOG_DEBUG, "Sending TCPUpdateTime");
197	>	reply=sock_comm(fm_fd_r, fm_fd_w, "TCPUpdateTime");
198		if(reply== NULL){
199	<	errf("Server error (%m)");
199	>	logmessage(LOG_ERR, "Server error on TCPUpdateTime (%m)");
200		return -1;
201		}
202		if (strncasecmp(reply, "ERROR", 5) != 0){
203		ihost_state->tcp_update_time=atoi(reply);
204		}
205
206	<	reply=sock_comm(fm_fd, "ENDCONFIG\n");
206	>	logmessage(LOG_DEBUG, "Sending ENDCONFIG");
207	>	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDCONFIG");
208		if(reply== NULL){
209	<	errf("Server error (%m)");
209	>	logmessage(LOG_ERR, "Server error on ENDCONFIG (%m)");
210		return -1;
211		}
212
213	<
213	>	logmessage(LOG_DEBUG, "Sending FILTER");
214	>	reply=sock_comm(fm_fd_r, fm_fd_w, "FILTER");
215	>	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
216	>	logmessage(LOG_ERR, "Server error FILTER failed (%m)");
217	>	return -1;
218	>	}
219	>	reply_ptr=strchr(reply,';');
220	>	if (reply_ptr==NULL){
221	>	logmessage(LOG_ERR, "Incorrect data returned");
222	>	return -1;
223	>	}
224	>	*reply_ptr='\0';
225	>	if((ihost_state->server_fqdn=strdup(reply)) == NULL){
226	>	logmessage(LOG_ERR, "strdup failed (%m)");
227	>	return -1;
228	>	}
229	>	reply=reply_ptr + 1;
230	>	reply_ptr=strchr(reply,';');
231	>	if (reply_ptr==NULL){
232	>	logmessage(LOG_ERR, "Incorrect data returned 2");
233	>	return -1;
234	>	}
235	>	*reply_ptr='\0';
236	>	ihost_state->server_udp_port=atoi(reply);
237	>	reply=reply_ptr+1;
238	>	ihost_state->server_tcp_port=atoi(reply);
239	>	if ((ihost_state->server_tcp_port==0) || (ihost_state->server_udp_port==0)){
240	>	logmessage(LOG_ERR, "Incorrect data returned 3 ");
241	>	return -1;
242	>	}
243
244	+	logmessage(LOG_DEBUG, "Sending END");
245	+	reply=sock_comm(fm_fd_r, fm_fd_w, "END");
246	+	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
247	+	logmessage(LOG_ERR, "Server error on END (%m)");
248	+	return -1;
249	+	}
250
251	+	if(fclose(fm_fd_r) !=0){
252	+	logmessage(LOG_ERR, "Failed to close read FD (%m)");
253	+	return -1;
254	+	}
255	+	if(fclose(fm_fd_w) !=0){
256	+	logmessage(LOG_ERR, "Failed to close write FD (%m)");
257	+	return -1;
258	+	}
259	+
260		return 0;
261	+	}
262
263	+	int heartbeat(ihost_state_t *ihost_state){
264	+	struct sockaddr_in addr;
265	+	struct in_addr haddr;
266	+	int sd;
267	+	FILE *fm_fd_r, *fm_fd_w;
268	+	char *reply;
269	+	int exitcode=0;
270	+
271	+	logmessage(LOG_DEBUG, "Setting up configure socket to %s on port %d", ihost_state->server_fqdn, ihost_state->server_tcp_port);
272	+	if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) {
273	+	logmessage(LOG_ERR, "Can't create AF_INET socket (%m)");
274	+	return -1;
275	+	}
276	+
277	+	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
278	+	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->server_fqdn);
279	+	return -1;
280	+	}
281	+
282	+	memset(&addr, 0, sizeof addr);
283	+	addr.sin_family = AF_INET;
284	+	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
285	+	addr.sin_port =  htons(ihost_state->server_tcp_port);
286	+
287	+	if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
288	+	logmessage(LOG_ERR, "Failed to connect to %s on port %d (%m)", ihost_state->server_fqdn, ihost_state->server_tcp_port);
289	+	return -1;
290	+	}
291	+
292	+	/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
293	+	if ((fm_fd_r=fdopen(sd,"r")) == NULL){
294	+	logmessage(LOG_ERR, "Failed to open stream (%m)");
295	+	return -1;
296	+	}
297	+
298	+	if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
299	+	logmessage(LOG_ERR, "Failed to open stream (%m)");
300	+	return -1;
301	+	}
302	+
303	+	logmessage(LOG_DEBUG, "Sending HEARTBEAT");
304	+	reply=sock_comm(fm_fd_r, fm_fd_w, "HEARTBEAT");
305	+	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
306	+	logmessage(LOG_ERR, "Server error on HEARTBEAT");
307	+	return -1;
308	+	}
309	+
310	+	logmessage(LOG_DEBUG, "Sending CONFIG");
311	+	reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG");
312	+	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
313	+	logmessage(LOG_ERR, "Server error on CONFIG");
314	+	return -1;
315	+	}
316	+
317	+	logmessage(LOG_DEBUG, "Sending %s", ihost_state->files_list);
318	+	reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->files_list);
319	+	if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
320	+	logmessage(LOG_ERR, "Server error on fileslist");
321	+	return -1;
322	+	}
323	+
324	+	logmessage(LOG_DEBUG, "Sending %s", ihost_state->last_modified);
325	+	reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->last_modified);
326	+	if (reply==NULL) {
327	+	logmessage(LOG_ERR, "Server error NULL recieved on lastmodified");
328	+	return -1;
329	+	}
330	+	if (strncasecmp(reply, "ERROR", 5) == 0){
331	+	/* Means the config has changed */
332	+	logmessage(LOG_INFO, "Recieved ERROR from server for a reconfigure required");
333	+	exitcode=RECONFIGURE_RETURN_CODE;
334	+	}
335	+
336	+	logmessage(LOG_DEBUG,"Sending KEY");
337	+	reply=sock_comm(fm_fd_r, fm_fd_w, "KEY");
338	+	if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
339	+	logmessage(LOG_ERR, "Server error on KEY");
340	+	return -1;
341	+	}
342	+	if (ihost_state->key!=NULL) free(ihost_state->key);
343	+
344	+	if((ihost_state->key=strdup(reply)) == NULL){
345	+	logmessage(LOG_ERR, "strdup failed (%m)");
346	+	return -1;
347	+	}
348	+
349	+	logmessage(LOG_DEBUG,"Sending ENDHEARTBEAT");
350	+	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDHEARTBEAT");
351	+	if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
352	+	logmessage(LOG_ERR, "Server error on ENDHEARTBEAT (%m)");
353	+	return -1;
354	+	}
355	+
356	+	fflush(fm_fd_r);
357	+	fflush(fm_fd_w);
358	+
359	+	if(fclose(fm_fd_r) !=0){
360	+	logmessage(LOG_ERR, "Failed to close read FD (%m)");
361	+	return -1;
362	+	}
363	+	if(fclose(fm_fd_w) !=0){
364	+	logmessage(LOG_ERR, "Failed to close write FD (%m)");
365	+	return -1;
366	+	}
367	+
368	+	return exitcode;
369		}
370
371	<	int main(){
371	>	char *stat_grab(ihost_state_t *ihost_state, int counter){
372	>	#define NUM_STATS 9
373	>	char *stats[NUM_STATS];
374	>	char *xml_data=NULL;
375	>	char *xml_data_p;
376	>	int xml_size=0;
377	>	int x=0;
378
379	+	logmessage(LOG_DEBUG,"get_cpu_stats");
380	+	stats[0]=get_cpu_stats();
381	+	logmessage(LOG_DEBUG,"get_disk_stats");
382	+	stats[1]=get_disk_stats();
383	+	logmessage(LOG_DEBUG,"get_load_stats");
384	+	stats[2]=get_load_stats();
385	+	logmessage(LOG_DEBUG,"get_memory_stats");
386	+	stats[3]=get_memory_stats();
387	+	logmessage(LOG_DEBUG,"get_os_info");
388	+	stats[4]=get_os_info();
389	+	logmessage(LOG_DEBUG,"get_page_stats");
390	+	stats[5]=get_page_stats();
391	+	logmessage(LOG_DEBUG,"get_process_stats");
392	+	stats[6]=get_process_stats();
393	+	logmessage(LOG_DEBUG,"get_swap_stats");
394	+	stats[7]=get_swap_stats();
395	+	logmessage(LOG_DEBUG,"get_user_stats");
396	+	stats[8]=get_user_stats();
397	+
398	+
399	+	for(x=0;x<NUM_STATS;x++){
400	+	if(stats[x]==NULL){
401	+	logmessage(LOG_ERR,"Function returned NULL");
402	+	return NULL;
403	+	}
404	+	xml_size+=strlen(stats[x]);
405	+	}
406	+
407	+	xml_data=malloc(xml_size);
408	+	xml_data=strcpy(xml_data, stats[0]);
409	+
410	+	for(x=1;x<NUM_STATS;x++){
411	+	strcat(xml_data, stats[x]);
412	+	}
413	+
414	+	xml_data_p=xml_data;
415	+	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);
416	+	free(xml_data_p);
417	+
418	+	logmessage(LOG_DEBUG,"Generated XML Data of : %s", xml_data);
419	+	return xml_data;
420	+	}
421	+
422	+	int send_stats(ihost_state_t *ihost_state, char *data_stream){
423	+	struct sockaddr_in addr;
424	+	struct in_addr haddr;
425	+
426	+	int sd;
427	+	size_t len;
428	+
429	+	len=strlen(data_stream);
430	+	if(len>UDP_MAX_PACKET_SIZE){
431	+	logmessage(LOG_ERR, "Too big to send to server. Please reconfigure client and server and recompile");
432	+	exit(1);
433	+	}
434	+	logmessage(LOG_DEBUG,"Resolving IP of server");
435	+	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
436	+	logmessage(LOG_ERR, "Failed to resolve address %s (%m)", ihost_state->server_fqdn);
437	+	return -1;
438	+	}
439	+	logmessage(LOG_DEBUG,"Creating UDP connection to %s on %d",ihost_state->server_fqdn, ihost_state->server_udp_port);
440	+	if((sd=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){
441	+	logmessage(LOG_ERR, "failed to create UDP socket (%m)");
442	+	return -1;
443	+	}
444	+
445	+	memset(&addr, 0, sizeof(addr));
446	+	addr.sin_family=AF_INET;
447	+	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
448	+	addr.sin_port =  htons(ihost_state->server_udp_port);
449	+
450	+	logmessage(LOG_INFO,"Sending packet : %s", data_stream);
451	+	if((sendto(sd, data_stream, len, 0, (struct sockaddr *) &addr, sizeof(addr))) != len){
452	+	logmessage(LOG_ERR, "Send the wrong number of bytes (%m)");
453	+	return -1;
454	+	}
455	+
456	+	close(sd);
457	+
458	+	return 0;
459	+	}
460	+
461	+	void usage(char *progname){
462	+	fprintf(stderr, "Usage %s [options] server port\n", progname);
463	+	fprintf(stderr, "Options\n");
464	+	fprintf(stderr, "  -v           Verbose, the more v flags the more verbose, eg -vv\n");
465	+	fprintf(stderr, "  -d           Daemon mode, self backgrounding\n");
466	+	fprintf(stderr, "  -s           Send errors to syslog\n");
467	+	fprintf(stderr, "  -V           Print version number\n");
468	+	fprintf(stderr, "  -h           Prints this help page\n");
469	+	exit(1);
470	+	}
471	+
472	+	int main(int argc, char **argv){
473	+	ihost_state_t ihost_state;
474	+	int heartbeat_exit;
475	+	int counter=0;
476	+	long udp_time=0, tcp_time=0, stat_grab_time=0, cur_time=0;
477	+	int sleep_delay=0;
478	+	char *xml_stats;
479	+	pid_t pid;
480	+	int cmdopt;
481	+	extern int optind;
482	+	int verbose=0, daemon=0;
483	+	extern int syslog_logging;
484	+	extern int log_level;
485	+	extern int cur_level;
486	+	FILE *f;
487	+
488	+	log_level=1;
489	+	cur_level=1;
490	+	syslog_logging=0;
491	+
492	+	errf_set_ofunc(log_errors);
493	+	/* NULL'ify so i can tell if i need to free it or not */
494	+	ihost_state.fm_host=NULL;
495	+	ihost_state.my_fqdn=NULL;
496	+	ihost_state.server_fqdn=NULL;
497	+	ihost_state.last_modified=NULL;
498	+	ihost_state.files_list=NULL;
499	+	ihost_state.key=NULL;
500	+
501	+	errf_set_progname(argv[0]);
502	+
503	+
504	+	while((cmdopt=getopt(argc, argv, "vdshV")) != -1){
505	+	switch(cmdopt){
506	+	case 'v':
507	+	verbose++;
508	+	break;
509	+
510	+	case 'd':
511	+	/* Force syslog logging since stderr will be closed in this case */
512	+	syslog_logging=1;
513	+	daemon=1;
514	+	break;
515	+
516	+	case 's':
517	+	syslog_logging=1;
518	+	break;
519	+
520	+	case 'h':
521	+	usage(argv[0]);
522	+	break;
523	+
524	+	case 'V':
525	+	errf("%s version %f",argv[0], versionNo);
526	+	break;
527	+
528	+	default:
529	+	usage(argv[0]);
530	+	exit(1);
531	+	}
532	+	}
533	+
534	+	if(argc!=optind+2){
535	+	usage(argv[0]);
536	+	exit(1);
537	+	}
538	+	ihost_state.fm_host=argv[optind];
539	+	ihost_state.fm_port=atoi(argv[optind+1]);
540	+	if(ihost_state.fm_port==0){
541	+	errf("Invalid port number");
542	+	usage(argv[0]);
543	+	}
544	+
545	+	if(daemon==1){
546	+	pid=fork();
547	+	if(pid==-1){
548	+	errf("Fork failed, can't background. Exiting");
549	+	exit(1);
550	+	}else if(pid!=0){
551	+	/* Parent process */
552	+	return 0;
553	+	}
554	+	/* We should now be in the background*/
555	+	if(setsid()==-1){
556	+	errf("setsid failed (%m)");
557	+	exit(1);
558	+	}
559	+	fclose(stdin);
560	+	fclose(stdout);
561	+	fclose(stderr);
562	+	}
563	+
564	+	if(syslog_logging==1){
565	+	openlog(errf_get_progname(),0,LOG_ERR);
566	+	setlogmask(LOG_UPTO(LOG_DEBUG));
567	+	}
568	+
569	+	switch(verbose){
570	+	case 0:
571	+	/* Critical errors + */
572	+	log_level=LOG_ERR;
573	+	break;
574	+	case 1:
575	+	/* Recoverable errors */
576	+	log_level=LOG_WARNING;
577	+	break;
578	+	case 2:
579	+	/* Print stuff like the XML packets */
580	+	log_level=LOG_INFO;
581	+	break;
582	+	default:
583	+	/* Must have lots of v's */
584	+	/* Print out everything its doing */
585	+	log_level=LOG_DEBUG;
586	+	break;
587	+	}
588	+
589	+	logmessage(LOG_DEBUG,"Writing PID FILE");
590	+	pid=getpid();
591	+	if((f=fopen(PID_FILE,"w")) == NULL){
592	+	logmessage(LOG_WARNING, "Failed to write PID file");
593	+	}else{
594	+	if((fprintf(f,"%d",(int)pid)) != sizeof(pid)){
595	+	logmessage(LOG_WARNING, "Failed to write PID file");
596	+	}
597	+	if((fclose(f))!=0){
598	+	logmessage(LOG_ERR, "failed to close PID file");
599	+	exit(1);
600	+	}
601	+	}
602	+
603	+	if(ihost_configure(&ihost_state)!=0){
604	+	logmessage(LOG_ERR,"configure failed");
605	+	/* Ok, ideally we prob should have 2 copies of the structure and carry on if this
606	+	happens.. But we dont :) (at the moment) */
607	+	exit(1);
608	+	}
609	+
610	+	for(;;){
611	+	cur_time=time(NULL);
612	+	if(cur_time>=tcp_time){
613	+	logmessage(LOG_DEBUG,"Sending heartbeat");
614	+	heartbeat_exit=heartbeat(&ihost_state);
615	+	if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
616	+	logmessage(LOG_INFO,"heartbeat needs to be reconfigured");
617	+	ihost_configure(&ihost_state);
618	+	udp_time=0;
619	+	}
620	+	if(heartbeat_exit==-1){
621	+	logmessage(LOG_ERR,"Heartbeat failed");
622	+	exit(1);
623	+	}
624	+	tcp_time=time(NULL)+ihost_state.tcp_update_time;
625	+	logmessage(LOG_DEBUG,"next tcp time should be %d", tcp_time);
626	+	}
627	+
628	+	if(cur_time>=udp_time){
629	+	logmessage(LOG_DEBUG,"Sending udp data");
630	+
631	+	stat_grab_time=time(NULL);
632	+	if((xml_stats=stat_grab(&ihost_state, counter++)) == NULL){
633	+	logmessage(LOG_ERR,"Failed to get stats (%m)");
634	+	exit(1);
635	+	}
636	+	stat_grab_time=time(NULL)-stat_grab_time;
637	+	send_stats(&ihost_state, xml_stats);
638	+	free(xml_stats);
639	+	udp_time=time(NULL)+ihost_state.udp_update_time-stat_grab_time;
640	+	logmessage(LOG_DEBUG,"next udp time should be %d", udp_time);
641	+	}
642	+
643	+	if(tcp_time<udp_time){
644	+	sleep_delay=tcp_time-time(NULL);
645	+	}else{
646	+	sleep_delay=udp_time-time(NULL);
647	+	}
648	+	logmessage(LOG_DEBUG,"Sleeping for %d", sleep_delay);
649	+	if(sleep_delay>0) sleep(sleep_delay);
650	+	}
651		return 0;
652		}
653

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