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 1.6 by pajs, Sun May 12 17:33:21 2002 UTC vs.
Revision 1.10 by pajs, Fri May 17 13:43:48 2002 UTC

#	Line 4 | Line 4
4		#include <unistd.h>
5		#include <syslog.h>
6		#include <netinet/in.h>
7	<	#include <ukcprog.h>
7	>	#include "ukcprog.h"
8		#include <netdb.h>
9		#include <strings.h>
10	+	#include "statgrab.h"
11
12		#define RECONFIGURE_RETURN_CODE 2
13	+	#define UDP_MAX_PACKET_SIZE 8192
14
15		typedef struct{
16		int fm_port;
#	Line 26 | Line 28 | typedef struct{
28
29		}ihost_state_t;
30
31	<	char* sock_comm(FILE *f_r, FILE *f_w, char* sendString){
31	>	char* sock_comm(FILE *f_r, FILE *f_w, char *sendString){
32		char *reply;
33	<	fprintf(f_w, "%s", sendString);
33	>	fprintf(f_w, "%s\n", sendString);
34		fflush(f_w);
35		reply=fpgetline(f_r);
36		/* Returns pointer to static buffer */
#	Line 59 | Line 61 | int ihost_configure(ihost_state_t *ihost_state){
61		return -1;
62		}
63
64	<	memset((char *)&addr, 0, sizeof addr);
64	>	memset(&addr, 0, sizeof addr);
65		addr.sin_family = AF_INET;
66	<	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
66	>	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
67		addr.sin_port =  htons(ihost_state->fm_port);
68
69		if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
#	Line 71 | Line 73 | int ihost_configure(ihost_state_t *ihost_state){
73
74		/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */
75		if ((fm_fd_r=fdopen(sd,"r")) == NULL){
76	<	errf("Failed to open stream (%m)");
76	>	errf("Failed to open read stream (%m)");
77		return -1;
78		}
79
80		if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){
81	<	errf("Failed to open stream (%m)");
81	>	errf("Failed to open write stream (%m)");
82		return -1;
83		}
84
85	<	reply=sock_comm(fm_fd_r, fm_fd_w, "STARTCONFIG\n");
85	>	reply=sock_comm(fm_fd_r, fm_fd_w, "STARTCONFIG");
86		if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
87		errf("Server error");
88		return -1;
89		}
90
91	<	reply=sock_comm(fm_fd_r, fm_fd_w, "LASTMODIFIED\n");
91	>	reply=sock_comm(fm_fd_r, fm_fd_w, "LASTMODIFIED");
92		if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
93		errf("Server error (%m)");
94		return -1;
95		}
96	<	if((ihost_state->last_modified=malloc((strlen(reply))+1)) == NULL){
97	<	errf("malloc failed (%m)");
96	>	if((ihost_state->last_modified=strdup(reply)) == NULL){
97	>	errf("strdup failed (%m)");
98		return -1;
99		}
98	–	strcpy(ihost_state->last_modified, reply);
99	–	ihost_state->last_modified[(strlen(ihost_state->last_modified))]='\n';
100
101	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FILELIST\n");
101	>	reply=sock_comm(fm_fd_r, fm_fd_w, "FILELIST");
102		if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){
103		errf("Server error (%m)");
104		return -1;
105		}
106	<	if((ihost_state->files_list=malloc((strlen(reply))+1)) == NULL){
107	<	errf("malloc failed (%m)");
106	>	if((ihost_state->files_list=strdup(reply)) == NULL){
107	>	errf("strdup failed (%m)");
108		return -1;
109		}
110	–	strcpy(ihost_state->files_list, reply);
111	–	ihost_state->files_list[(strlen(ihost_state->files_list))]='\n';
110
111	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FQDN\n");
111	>	reply=sock_comm(fm_fd_r, fm_fd_w, "FQDN");
112		if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
113		errf("Server error (%m)");
114		return -1;
#	Line 120 | Line 118 | int ihost_configure(ihost_state_t *ihost_state){
118		return -1;
119		}
120
121	<	reply=sock_comm(fm_fd_r, fm_fd_w, "UDPUpdateTime\n");
121	>	reply=sock_comm(fm_fd_r, fm_fd_w, "UDPUpdateTime");
122		if(reply== NULL){
123		errf("Server error (%m)");
124		return -1;
#	Line 129 | Line 127 | int ihost_configure(ihost_state_t *ihost_state){
127		ihost_state->udp_update_time=atoi(reply);
128		}
129
130	<	reply=sock_comm(fm_fd_r, fm_fd_w, "TCPUpdateTime\n");
130	>	reply=sock_comm(fm_fd_r, fm_fd_w, "TCPUpdateTime");
131		if(reply== NULL){
132		errf("Server error (%m)");
133		return -1;
#	Line 138 | Line 136 | int ihost_configure(ihost_state_t *ihost_state){
136		ihost_state->tcp_update_time=atoi(reply);
137		}
138
139	<	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDCONFIG\n");
139	>	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDCONFIG");
140		if(reply== NULL){
141		errf("Server error (%m)");
142		return -1;
143		}
144
145	<	reply=sock_comm(fm_fd_r, fm_fd_w, "FILTER\n");
145	>	reply=sock_comm(fm_fd_r, fm_fd_w, "FILTER");
146		if((reply== NULL) || (strncasecmp(reply, "ERROR", 5)==0)){
147	<	errf("Server error (%m)");
147	>	errf("Server error FILTER failed (%m)");
148		return -1;
149		}
150		reply_ptr=strchr(reply,';');
#	Line 159 | Line 157 | int ihost_configure(ihost_state_t *ihost_state){
157		errf("strdup failed (%m)");
158		return -1;
159		}
160	<	reply=++reply_ptr;
160	>	reply=reply_ptr + 1;
161		reply_ptr=strchr(reply,';');
162		if (reply_ptr==NULL){
163		errf("Incorrect data returned 2");
#	Line 167 | Line 165 | int ihost_configure(ihost_state_t *ihost_state){
165		}
166		*reply_ptr='\0';
167		ihost_state->server_udp_port=atoi(reply);
168	<	reply=++reply_ptr;
168	>	reply=reply_ptr+1;
169		ihost_state->server_tcp_port=atoi(reply);
170		if ((ihost_state->server_tcp_port==0) || (ihost_state->server_udp_port==0)){
171		errf("Incorrect data returned 3 ");
172		return -1;
173		}
174
175	<	reply=sock_comm(fm_fd_r, fm_fd_w, "END\n");
175	>	reply=sock_comm(fm_fd_r, fm_fd_w, "END");
176		if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
177		errf("Server error (%m)");
178		return -1;
179		}
180
181		if(fclose(fm_fd_r) !=0){
182	<	errf("Failed to close FD (%m)");
182	>	errf("Failed to close read FD (%m)");
183		return -1;
184		}
185		if(fclose(fm_fd_w) !=0){
186	<	errf("Failed to close FD (%m)");
186	>	errf("Failed to close write FD (%m)");
187		return -1;
188		}
189
#	Line 210 | Line 208 | int heartbeat(ihost_state_t *ihost_state){
208		return -1;
209		}
210
211	<	memset((char *)&addr, 0, sizeof addr);
211	>	memset(&addr, 0, sizeof addr);
212		addr.sin_family = AF_INET;
213	<	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
213	>	memcpy(&addr.sin_addr, &haddr, sizeof haddr);
214		addr.sin_port =  htons(ihost_state->server_tcp_port);
215
216		if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) {
#	Line 231 | Line 229 | int heartbeat(ihost_state_t *ihost_state){
229		return -1;
230		}
231
232	<	reply=sock_comm(fm_fd_r, fm_fd_w, "HEARTBEAT\n");
232	>	reply=sock_comm(fm_fd_r, fm_fd_w, "HEARTBEAT");
233		if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
234		errf("Server error");
235		return -1;
236		}
237	<	if (ihost_state->fm_host!=NULL) free(ihost_state->fm_host);
238	<	reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG\n");
237	>
238	>	reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG");
239		if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
240		errf("Server error");
241		return -1;
242		}
243
246	–	printf("filelist %s\n",ihost_state->files_list);
244		reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->files_list);
245		if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) {
246		errf("Server error");
#	Line 259 | Line 256 | int heartbeat(ihost_state_t *ihost_state){
256		/* Means the config has changed */
257		exitcode=RECONFIGURE_RETURN_CODE;
258		}
259	<	reply=sock_comm(fm_fd_r, fm_fd_w, "KEY\n");
259	>	reply=sock_comm(fm_fd_r, fm_fd_w, "KEY");
260		if ((reply==NULL) || (strncasecmp(reply, "ERROR", 5) == 0) ) {
261		errf("Server error");
262		return -1;
263		}
264		if (ihost_state->key!=NULL) free(ihost_state->key);
265
266	<	if((ihost_state->key=malloc(strlen(reply)+1)) == NULL){
267	<	errf("malloc failed (%m)");
266	>	if((ihost_state->key=strdup(reply)) == NULL){
267	>	errf("strdup failed (%m)");
268		return -1;
269		}
273	–	strcpy(ihost_state->key, reply);
274	–	ihost_state->key[(strlen(ihost_state->key))]='\n';
270
271	<	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDHEARTBEAT\n");
271	>	reply=sock_comm(fm_fd_r, fm_fd_w, "ENDHEARTBEAT");
272		if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){
273		errf("Server error (%m)");
274		return -1;
275		}
276
277	+	fflush(fm_fd_r);
278	+	fflush(fm_fd_w);
279	+
280		if(fclose(fm_fd_r) !=0){
281	<	errf("Failed to close FD (%m)");
281	>	errf("Failed to close read FD (%m)");
282		return -1;
283		}
284		if(fclose(fm_fd_w) !=0){
285	<	errf("Failed to close FD (%m)");
285	>	errf("Failed to close write FD (%m)");
286		return -1;
287		}
288
289		return exitcode;
290		}
291
292	+	char *stat_grab(ihost_state_t *ihost_state, int counter){
293	+	#define NUM_STATS 9
294	+	char *stats[NUM_STATS];
295	+	char *xml_data=NULL;
296	+	char *xml_data_p;
297	+	int x=0;
298	+
299	+	stats[0]=get_cpu_stats();
300	+	stats[1]=get_disk_stats();
301	+	stats[2]=get_load_stats();
302	+	stats[3]=get_memory_stats();
303	+	stats[4]=get_os_info();
304	+	stats[5]=get_page_stats();
305	+	stats[6]=get_process_stats();
306	+	stats[7]=get_swap_stats();
307	+	stats[8]=get_user_stats();
308
309	+	for(;x<NUM_STATS;x++){
310	+	if(stats[x]==NULL){
311	+	return NULL;
312	+	}
313	+	if(xml_data==NULL){
314	+	if((xml_data=strf("%s", stats[x])) == NULL){
315	+	errf("str failed (%m)");
316	+	return NULL;
317	+	}
318	+	}else{
319	+	xml_data_p=xml_data;
320	+	if((xml_data=strf("%s%s", xml_data, stats[x])) == NULL){
321	+	errf("str failed (%m)");
322	+	return NULL;
323	+	}
324	+	free(xml_data_p);
325	+	}
326	+	free(stats[x]);
327	+	}
328	+	xml_data_p=xml_data;
329	+	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);
330	+	free(xml_data_p);
331	+
332	+	return xml_data;
333	+	}
334	+
335	+	int send_stats(ihost_state_t *ihost_state, char *data_stream){
336	+	struct sockaddr_in addr;
337	+	struct in_addr haddr;
338	+
339	+	int sd;
340	+	size_t len;
341	+
342	+	len=strlen(data_stream);
343	+	if(len>UDP_MAX_PACKET_SIZE){
344	+	errf("Too big to send to server. Please reconfigure client and server and recompile");
345	+	exit(1);
346	+	}
347	+
348	+	if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){
349	+	errf("Failed to resolve address %s (%m)", ihost_state->fm_host);
350	+	return -1;
351	+	}
352	+
353	+	if((sd=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){
354	+	errf("failed to create UDP socket (%m)");
355	+	return -1;
356	+	}
357	+
358	+	memset(&addr, 0, sizeof(addr));
359	+	addr.sin_family=AF_INET;
360	+	memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr);
361	+	addr.sin_port =  htons(ihost_state->server_udp_port);
362	+
363	+	if((sendto(sd, data_stream, len, 0, (struct sockaddr *) &addr, sizeof(addr))) != len){
364	+	errf("Send the wrong number of bytes (%m)");
365	+	return -1;
366	+	}
367	+
368	+	close(sd);
369	+
370	+	return 0;
371	+	}
372	+
373		int main(int argc, char **argv){
374		ihost_state_t ihost_state;
375		int heartbeat_exit;
376		int counter=0;
377	+	long udp_time=0, tcp_time=0, stat_grab_time=0, cur_time=0;
378	+	int sleep_delay=0;
379	+	char *xml_stats;
380
300	–
381		/* NULL'ify so i can tell if i need to free it or not */
382		ihost_state.fm_host=NULL;
383		ihost_state.my_fqdn=NULL;
#	Line 322 | Line 402 | int main(int argc, char **argv){
402		exit(1);
403		}
404
405	<	while(TRUE){
405	>	for(;;){
406	>	cur_time=time(NULL);
407	>	if(cur_time>=tcp_time){
408	>	/*printf("sending TCP\n");*/
409	>	heartbeat_exit=heartbeat(&ihost_state);
410	>	if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
411	>	/*errf("heartbeat needs to be reconfigured");*/
412	>	ihost_configure(&ihost_state);
413	>	/* So udp doesn't wait til next sending before updating */
414	>	udp_time=0;
415	>	}
416	>	if(heartbeat_exit==-1){
417	>	errf("ah crap");
418	>	exit(1);
419	>	}
420	>	tcp_time=time(NULL)+ihost_state.tcp_update_time;
421	>	}
422
423	<	heartbeat_exit=heartbeat(&ihost_state);
424	<	if(heartbeat_exit==RECONFIGURE_RETURN_CODE){
425	<	errf("heartbeat needs to be reconfigured");
426	<	ihost_configure(&ihost_state);
423	>	if(cur_time>=udp_time){
424	>	/*printf("sending UDP\n");*/
425	>	stat_grab_time=time(NULL);
426	>	if((xml_stats=stat_grab(&ihost_state, counter)) == NULL){
427	>	errf("Failed to get stats (%m)");
428	>	exit(1);
429	>	}
430	>	stat_grab_time=time(NULL)-stat_grab_time;
431	>	send_stats(&ihost_state, xml_stats);
432	>	free(xml_stats);
433	>	udp_time=time(NULL)+ihost_state.udp_update_time-stat_grab_time;
434		}
435	<	if(heartbeat_exit==-1){
436	<	errf("ah crap");
437	<	exit(1);
438	<	}
439	<	printf("Count : %d\n",counter++);
440	<	printf("waiting %d\n",ihost_state.tcp_update_time);
441	<	sleep(ihost_state.tcp_update_time);
435	>
436	>	if(tcp_time<udp_time){
437	>	sleep_delay=tcp_time-time(NULL);
438	>	}else{
439	>	sleep_delay=udp_time-time(NULL);
440	>	}
441	>
442	>	/*printf("tcp epoc: %ld \t udp epoc: %ld\ntime:%ld \tsleeping: %d\n", tcp_time, udp_time, time(NULL), sleep_delay);*/
443	>	if(sleep_delay>0) sleep(sleep_delay);
444		}
445		return 0;
446		}

Diff Legend

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