# | 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 | + | #ifdef HAVE_CONFIG_H |
22 | + | #include "config.h" |
23 | + | #endif |
24 | + | |
25 | #include <stdio.h> | |
2 | – | #include <sys/socket.h> |
26 | #include <stdlib.h> | |
27 | #include <unistd.h> | |
28 | < | #include <syslog.h> |
29 | < | #include <netinet/in.h> |
30 | < | #include <ukcprog.h> |
28 | > | #include <string.h> |
29 | > | #include <sys/types.h> |
30 | > | #include <sys/socket.h> |
31 | > | #include <stdarg.h> |
32 | > | #include <errno.h> |
33 | #include <netdb.h> | |
9 | – | #include <strings.h> |
34 | ||
35 | + | #include <ukcprog.h> |
36 | + | #include <statgrab.h> |
37 | + | |
38 | + | #define LOG_CRIT 0 |
39 | + | #define LOG_ERR 1 |
40 | + | #define LOG_INFO 2 |
41 | + | #define LOG_DEBUG 3 |
42 | + | |
43 | typedef struct{ | |
44 | < | int fm_port; |
45 | < | char *fm_host; |
46 | < | |
47 | < | char *my_fqdn; |
44 | > | int filtermanager_port; |
45 | > | char *filtermanager_host; |
46 | > | |
47 | > | char *host_ip; |
48 | > | char *host_fqdn; |
49 | > | |
50 | char *server_fqdn; | |
51 | int server_udp_port; | |
52 | < | int server_tcp_port; |
53 | < | long last_modified; |
54 | < | char *files_list; |
55 | < | char *key; |
52 | > | |
53 | > | /* Weird stuff iscream wants sent to it */ |
54 | > | char *last_modified; |
55 | > | char *file_list; |
56 | > | |
57 | int udp_update_time; | |
58 | < | int tcp_update_time; |
58 | > | // int config_ttl; |
59 | ||
60 | + | time_t config_ttl; |
61 | + | |
62 | }ihost_state_t; | |
63 | ||
64 | < | char* sock_comm(FILE *f, char* sendString){ |
65 | < | char *reply; |
64 | > | typedef struct{ |
65 | > | int verbose; |
66 | > | int daemon; |
67 | ||
68 | < | fprintf(f, sendString); |
69 | < | fflush(f); |
32 | < | reply=fpgetline(f); |
33 | < | /* Returns pointer to static buffer */ |
34 | < | return reply; |
35 | < | } |
68 | > | FILE *log; |
69 | > | }ihost_config_t; |
70 | ||
71 | < | int ihost_configure(ihost_state_t *ihost_state){ |
71 | > | typedef struct{ |
72 | struct sockaddr_in addr; | |
73 | < | struct in_addr haddr; |
74 | < | int sd; |
41 | < | FILE *fm_fd; |
42 | < | char *reply; |
73 | > | int sock; |
74 | > | }udp_sockinfo_t; |
75 | ||
76 | < | if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) { |
45 | < | errf("Can't create AF_INET socket (%m)"); |
46 | < | return -1; |
47 | < | } |
76 | > | ihost_config_t ihost_config; |
77 | ||
78 | < | if (get_host_addr(ihost_state->fm_host, &haddr) != 0){ |
79 | < | errf("Failed to resolve address %s (%m)", ihost_state->fm_host); |
80 | < | return -1; |
78 | > | extern int errno; |
79 | > | |
80 | > | /* Taken from the OpenSSH code. Its licence included in function.*/ |
81 | > | #ifndef HAVE_STRLCAT |
82 | > | |
83 | > | /* |
84 | > | * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
85 | > | * All rights reserved. |
86 | > | * |
87 | > | * Redistribution and use in source and binary forms, with or without |
88 | > | * modification, are permitted provided that the following conditions |
89 | > | * are met: |
90 | > | * 1. Redistributions of source code must retain the above copyright |
91 | > | * notice, this list of conditions and the following disclaimer. |
92 | > | * 2. Redistributions in binary form must reproduce the above copyright |
93 | > | * notice, this list of conditions and the following disclaimer in the |
94 | > | * documentation and/or other materials provided with the distribution. |
95 | > | * 3. The name of the author may not be used to endorse or promote products |
96 | > | * derived from this software without specific prior written permission. |
97 | > | * |
98 | > | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
99 | > | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
100 | > | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
101 | > | * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
102 | > | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
103 | > | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
104 | > | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
105 | > | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
106 | > | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
107 | > | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
108 | > | */ |
109 | > | |
110 | > | /* |
111 | > | * Appends src to string dst of size siz (unlike strncat, siz is the |
112 | > | * full size of dst, not space left). At most siz-1 characters |
113 | > | * will be copied. Always NUL terminates (unless siz <= strlen(dst)). |
114 | > | * Returns strlen(src) + MIN(siz, strlen(initial dst)). |
115 | > | * If retval >= siz, truncation occurred. |
116 | > | */ |
117 | > | size_t |
118 | > | strlcat(dst, src, siz) |
119 | > | char *dst; |
120 | > | const char *src; |
121 | > | size_t siz; |
122 | > | { |
123 | > | register char *d = dst; |
124 | > | register const char *s = src; |
125 | > | register size_t n = siz; |
126 | > | size_t dlen; |
127 | > | |
128 | > | /* Find the end of dst and adjust bytes left but don't go past end */ |
129 | > | while (n-- != 0 && *d != '\0') |
130 | > | d++; |
131 | > | dlen = d - dst; |
132 | > | n = siz - dlen; |
133 | > | |
134 | > | if (n == 0) |
135 | > | return(dlen + strlen(s)); |
136 | > | while (*s != '\0') { |
137 | > | if (n != 1) { |
138 | > | *d++ = *s; |
139 | > | n--; |
140 | > | } |
141 | > | s++; |
142 | > | } |
143 | > | *d = '\0'; |
144 | > | |
145 | > | return(dlen + (s - src)); /* count does not include NUL */ |
146 | > | } |
147 | > | |
148 | > | #endif |
149 | > | /* End strlcat function taken from OpenSSH */ |
150 | > | |
151 | > | void log_msg(int level, char *format, ...){ |
152 | > | int cur_errno; |
153 | > | va_list ap; |
154 | > | |
155 | > | cur_errno=errno; |
156 | > | |
157 | > | if(level<=ihost_config.verbose){ |
158 | > | va_start(ap, format); |
159 | > | vfprintf(ihost_config.log, format, ap); |
160 | > | va_end(ap); |
161 | > | if(level==LOG_CRIT){ |
162 | > | fprintf(ihost_config.log, " (%s)\n", strerror(cur_errno)); |
163 | > | }else{ |
164 | > | fprintf(ihost_config.log, "\n"); |
165 | > | } |
166 | > | fflush(ihost_config.log); |
167 | } | |
168 | + | } |
169 | ||
170 | < | memset((char *)&addr, 0, sizeof addr); |
171 | < | addr.sin_family = AF_INET; |
172 | < | memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr); |
173 | < | addr.sin_port = htons(ihost_state->fm_port); |
170 | > | /* Takes many pointers, checks if they are NULL or not, and then free's them */ |
171 | > | /* Deprciated - and i only wrote it today! :) |
172 | > | void m_free(int num_pointers, ...){ |
173 | > | int x=0; |
174 | > | va_list ap; |
175 | > | void *p; |
176 | ||
177 | < | if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) { |
178 | < | errf("Failed to connect to %s on port %d (%m)", ihost_state->fm_host, ihost_state->fm_port); |
179 | < | return -1; |
177 | > | va_start(ap, num_pointers); |
178 | > | for(;x<num_pointers;x++){ |
179 | > | p=va_arg(ap, void*); |
180 | > | if(p!=NULL){ |
181 | > | free(p); |
182 | > | } |
183 | } | |
184 | + | va_end(ap); |
185 | + | } |
186 | + | */ |
187 | ||
188 | < | if ((fm_fd=fdopen(sd,"r+")) == NULL){ |
189 | < | errf("Failed to open stream (%m)"); |
190 | < | return -1; |
188 | > | int create_udp_sockinfo(udp_sockinfo_t *udp_sockinfo, char *hostname, int port){ |
189 | > | |
190 | > | struct in_addr haddr; |
191 | > | |
192 | > | log_msg(LOG_DEBUG, "Resolving name for udp connection"); |
193 | > | if(get_host_addr(hostname, &haddr) != 0){ |
194 | > | log_msg(LOG_CRIT, "Failed to lookup name"); |
195 | > | return 1; |
196 | } | |
197 | + | |
198 | + | if((udp_sockinfo->sock=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0){ |
199 | + | log_msg(LOG_CRIT, "Failed to create UDP socket"); |
200 | + | return 1; |
201 | + | } |
202 | + | |
203 | + | memset(&(udp_sockinfo->addr), 0, sizeof(struct sockaddr_in)); |
204 | + | udp_sockinfo->addr.sin_family=AF_INET; |
205 | + | memcpy((char *)&(udp_sockinfo->addr.sin_addr), &haddr, sizeof(haddr)); |
206 | + | udp_sockinfo->addr.sin_port = htons(port); |
207 | + | |
208 | + | log_msg(LOG_DEBUG, "Socket created"); |
209 | + | return 0; |
210 | + | } |
211 | + | |
212 | + | FILE *create_tcp_connection(char *hostname, int port){ |
213 | + | int sock; |
214 | + | struct sockaddr_in addr; |
215 | + | struct in_addr haddr; |
216 | + | FILE *f; |
217 | + | |
218 | + | log_msg(LOG_DEBUG, "Creating tcp socket"); |
219 | + | if((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP))<0){ |
220 | + | log_msg(LOG_CRIT, "Failed to make TCP Socket"); |
221 | + | return NULL; |
222 | + | } |
223 | + | |
224 | + | if((get_host_addr(hostname, &haddr))!=0){ |
225 | + | log_msg(LOG_CRIT, "Failed to lookup name for %s", hostname); |
226 | + | close(sock); |
227 | + | return NULL; |
228 | + | } |
229 | + | |
230 | + | memset(&addr, 0, sizeof(addr)); |
231 | + | addr.sin_family = AF_INET; |
232 | + | memcpy(&addr.sin_addr, &haddr, sizeof(haddr)); |
233 | + | addr.sin_port = htons(port); |
234 | + | |
235 | + | log_msg(LOG_DEBUG, "Creating a tcp connection"); |
236 | + | if(connect(sock, (struct sockaddr *)&addr, sizeof(addr)) !=0){ |
237 | + | log_msg(LOG_CRIT, "Failed to connect to hostname %s on port %d", hostname, port); |
238 | + | close(sock); |
239 | + | return NULL; |
240 | + | } |
241 | + | |
242 | + | if((f=fdopen(sock, "r+"))==NULL){ |
243 | + | log_msg(LOG_CRIT, "Failed to connect to open filedescriptor on tcp connection"); |
244 | + | close(sock); |
245 | + | return NULL; |
246 | + | } |
247 | + | |
248 | + | return f; |
249 | + | } |
250 | + | |
251 | + | int tcp_comm(FILE *f, char *send, char **response, char *expected){ |
252 | + | |
253 | + | log_msg(LOG_DEBUG, "Sending %s", send); |
254 | + | fprintf(f, "%s\n", send); |
255 | + | fflush(f); |
256 | + | *response=fpgetline(f); |
257 | + | fseek(f, 0, SEEK_CUR); |
258 | + | |
259 | + | if(*response!=NULL) log_msg(LOG_DEBUG, "Recieved %s", *response); |
260 | + | |
261 | + | if( (*response==NULL) || (strcmp(*response, "ERROR")==0) ) return -1; |
262 | ||
263 | < | reply=sock_comm(fm_fd, "STARTCONFIG\n"); |
264 | < | if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) { |
265 | < | errf("Server error"); |
263 | > | if(expected==NULL) return 0; |
264 | > | |
265 | > | if((strcmp(expected, *response))==0) return 0; |
266 | > | |
267 | > | log_msg(LOG_DEBUG, "Did not get expected response"); |
268 | > | return -1; |
269 | > | } |
270 | > | |
271 | > | int tcp_comm_strdup(FILE *f, char *send, char **response, char *expected){ |
272 | > | if((tcp_comm(f, send, response, expected))!=0){ |
273 | return -1; | |
274 | } | |
275 | ||
276 | < | reply=sock_comm(fm_fd, "LASTMODIFIED\n"); |
277 | < | if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){ |
278 | < | errf("Server error (%m)"); |
276 | > | *response=strdup(*response); |
277 | > | if (response==NULL) return -1; |
278 | > | |
279 | > | return 0; |
280 | > | } |
281 | > | |
282 | > | int ihost_getconfig(ihost_state_t *ihost_state){ |
283 | > | |
284 | > | FILE *tcp_con; |
285 | > | char *response; |
286 | > | char *response_ptr; |
287 | > | |
288 | > | /* Keep these in case of a failure and so it can keep running on the old config */ |
289 | > | char *file_list=NULL; |
290 | > | char *last_modified=NULL; |
291 | > | char *host_fqdn=NULL; |
292 | > | char *host_ip=NULL; |
293 | > | int udp_update_time=0; |
294 | > | char *server_fqdn=NULL; |
295 | > | int server_udp_port=0; |
296 | > | time_t config_ttl=0; |
297 | > | |
298 | > | if((tcp_con=create_tcp_connection(ihost_state->filtermanager_host, ihost_state->filtermanager_port))==NULL){ |
299 | return -1; | |
300 | } | |
301 | < | ihost_state->last_modified=atol(reply); |
301 | > | |
302 | > | if(ihost_state->file_list!=NULL || ihost_state->last_modified!=NULL){ |
303 | > | if(tcp_con==NULL){ |
304 | > | goto error; |
305 | > | } |
306 | ||
307 | < | reply=sock_comm(fm_fd, "FILELIST\n"); |
308 | < | if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){ |
309 | < | errf("Server error (%m)"); |
310 | < | return -1; |
307 | > | if((tcp_comm(tcp_con, "CHECKCONFIG", &response, "OK"))!=0){ |
308 | > | goto error; |
309 | > | } |
310 | > | |
311 | > | if((tcp_comm(tcp_con, ihost_state->file_list, &response, "OK"))!=0){ |
312 | > | goto error; |
313 | > | } |
314 | > | |
315 | > | if((tcp_comm(tcp_con, ihost_state->last_modified, &response, "OK"))==0){ |
316 | > | if((tcp_comm(tcp_con, "END", &response, "OK"))!=0){ |
317 | > | goto error; |
318 | > | } |
319 | > | fclose(tcp_con); |
320 | > | return 0; |
321 | > | }else{ |
322 | > | if((strcmp(response, "EXPIRED"))!=0){ |
323 | > | goto error; |
324 | > | } |
325 | > | } |
326 | } | |
327 | < | if((ihost_state->files_list=strdup(reply)) == NULL){ |
328 | < | errf("strdup failed (%m)"); |
329 | < | return -1; |
327 | > | |
328 | > | /* If we got to here, the config must of expired */ |
329 | > | |
330 | > | if((tcp_comm(tcp_con, "STARTCONFIG", &response, "OK"))!=0){ |
331 | > | goto error; |
332 | } | |
333 | ||
334 | < | reply=sock_comm(fm_fd, "FQDN\n"); |
335 | < | if((reply== NULL) || (strncasecmp(reply, "ERROR", 5))){ |
94 | < | errf("Server error (%m)"); |
95 | < | return -1; |
334 | > | if((tcp_comm_strdup(tcp_con, "LASTMODIFIED", &response, NULL))!=0){ |
335 | > | goto error; |
336 | } | |
337 | < | if((ihost_state->my_fqdn=strdup(reply)) == NULL){ |
338 | < | errf("strdup failed (%m)"); |
339 | < | return -1; |
337 | > | last_modified=response; |
338 | > | |
339 | > | if((tcp_comm_strdup(tcp_con, "FILELIST", &response, NULL))!=0){ |
340 | > | goto error; |
341 | } | |
342 | + | file_list=response; |
343 | ||
344 | < | reply=sock_comm(fm_fd, "UDPUpdateTime\n"); |
345 | < | if(reply== NULL){ |
104 | < | errf("Server error (%m)"); |
105 | < | return -1; |
344 | > | if((tcp_comm_strdup(tcp_con, "FQDN", &response, NULL))!=0){ |
345 | > | goto error; |
346 | } | |
347 | < | if (strncasecmp(reply, "ERROR", 5) != 0){ |
348 | < | ihost_state->udp_update_time=atoi(reply); |
347 | > | host_fqdn=response; |
348 | > | |
349 | > | if((tcp_comm_strdup(tcp_con, "IP", &response, NULL))!=0){ |
350 | > | goto error; |
351 | } | |
352 | + | host_ip=response; |
353 | ||
354 | < | reply=sock_comm(fm_fd, "TCPUpdateTime\n"); |
355 | < | if(reply== NULL){ |
113 | < | errf("Server error (%m)"); |
114 | < | return -1; |
354 | > | if((tcp_comm(tcp_con, "UDPUpdateTime", &response, NULL))!=0){ |
355 | > | goto error; |
356 | } | |
357 | < | if (strncasecmp(reply, "ERROR", 5) != 0){ |
358 | < | ihost_state->tcp_update_time=atoi(reply); |
357 | > | udp_update_time=atoi(response); |
358 | > | |
359 | > | if((tcp_comm(tcp_con, "ConfigTTL", &response, NULL))!=0){ |
360 | > | goto error; |
361 | } | |
362 | + | config_ttl=atoi(response); |
363 | ||
364 | < | reply=sock_comm(fm_fd, "ENDCONFIG\n"); |
365 | < | if(reply== NULL){ |
122 | < | errf("Server error (%m)"); |
123 | < | return -1; |
364 | > | if((tcp_comm(tcp_con, "ENDCONFIG", &response, NULL))!=0){ |
365 | > | goto error; |
366 | } | |
367 | ||
368 | < | |
368 | > | if((tcp_comm(tcp_con, "FILTER", &response, NULL))!=0){ |
369 | > | goto error; |
370 | > | }else{ |
371 | > | response_ptr=strchr(response,';'); |
372 | > | if(response_ptr==NULL){ |
373 | > | log_msg(LOG_ERR, "Incorrect data sent by server"); |
374 | > | goto error; |
375 | > | } |
376 | > | *response_ptr='\0'; |
377 | > | server_fqdn=strdup(response); |
378 | > | if(server_fqdn==NULL){ |
379 | > | goto error; |
380 | > | } |
381 | > | response_ptr++; |
382 | > | if(response_ptr==NULL){ |
383 | > | log_msg(LOG_ERR, "Incorrect data sent by server"); |
384 | > | goto error; |
385 | > | } |
386 | ||
387 | + | printf("string : %s\n", response_ptr); |
388 | + | server_udp_port=atoi(response_ptr); |
389 | ||
390 | + | if (server_udp_port==0){ |
391 | + | log_msg(LOG_ERR, "Incorrect data sent by server"); |
392 | + | goto error; |
393 | + | } |
394 | + | } |
395 | + | |
396 | + | if((tcp_comm(tcp_con, "END", &response, "OK"))!=0){ |
397 | + | goto error; |
398 | + | } |
399 | + | |
400 | + | fclose(tcp_con); |
401 | + | |
402 | + | /* We have the data we need, and its all been read correctly */ |
403 | + | |
404 | + | /* Free the old data before pointing them to the new data. m_free copes should |
405 | + | * this already be NULL */ |
406 | + | if(ihost_state->file_list!=NULL) free(ihost_state->file_list); |
407 | + | if(ihost_state->last_modified!=NULL) free(ihost_state->last_modified); |
408 | + | if(ihost_state->host_fqdn!=NULL) free(ihost_state->host_fqdn); |
409 | + | if(ihost_state->server_fqdn!=NULL) free(ihost_state->server_fqdn); |
410 | + | if(ihost_state->host_ip!=NULL) free(ihost_state->host_ip); |
411 | + | |
412 | + | ihost_state->file_list=file_list; |
413 | + | ihost_state->last_modified=last_modified; |
414 | + | ihost_state->host_fqdn=host_fqdn; |
415 | + | ihost_state->host_ip=host_ip; |
416 | + | ihost_state->server_fqdn=server_fqdn; |
417 | + | ihost_state->server_udp_port=server_udp_port; |
418 | + | ihost_state->udp_update_time=udp_update_time; |
419 | + | ihost_state->config_ttl=config_ttl; |
420 | + | |
421 | + | log_msg(LOG_DEBUG, "UDP Update time %d", udp_update_time); |
422 | + | log_msg(LOG_DEBUG, "Configure ttl %d", config_ttl); |
423 | + | |
424 | return 0; | |
425 | ||
426 | + | error: |
427 | + | |
428 | + | if(file_list!=NULL) free(file_list); |
429 | + | if(last_modified!=NULL) free(last_modified); |
430 | + | if(host_fqdn!=NULL) free(host_fqdn); |
431 | + | if(server_fqdn!=NULL) free(server_fqdn); |
432 | + | if(host_ip!=NULL) free(host_ip); |
433 | + | fclose(tcp_con); |
434 | + | |
435 | + | return -1; |
436 | } | |
437 | ||
438 | < | int main(){ |
438 | > | int get_system_stats(int seq_no, ihost_state_t *ihost_state, char *xml, int size){ |
439 | > | char tmp[size]; |
440 | > | cpu_percent_t *cpu_percent; |
441 | > | mem_stat_t *mem_stats; |
442 | > | load_stat_t *load_stats; |
443 | > | user_stat_t *user_stats; |
444 | > | swap_stat_t *swap_stats; |
445 | > | general_stat_t *general_stats; |
446 | > | disk_stat_t *disk_stats; |
447 | > | diskio_stat_t *diskio_stats; |
448 | > | process_stat_t *process_stats; |
449 | > | network_stat_t *network_stats; |
450 | > | page_stat_t *page_stats; |
451 | > | int disk_entries=0; |
452 | > | int diskio_entries=0; |
453 | > | int network_entries=0; |
454 | ||
455 | + | int counter; |
456 | + | long long x; |
457 | + | long long y; |
458 | + | |
459 | + | /* Print start of the packet we want */ |
460 | + | snprintf(xml, size, "<packet seq_no=\"%d\" machine_name=\"%s\" date=\"%ld\" type=\"data\" ip=\"%s\">", \ |
461 | + | seq_no, ihost_state->host_fqdn, time(NULL), ihost_state->host_ip); |
462 | + | |
463 | + | /* Get cpu stats, check it is correct, then fill in its entry for the xml */ |
464 | + | if((cpu_percent=cpu_percent_usage())==NULL){ |
465 | + | log_msg(LOG_CRIT, "Failed to get cpu statistics"); |
466 | + | }else{ |
467 | + | snprintf(tmp, size, \ |
468 | + | "<cpu><user>%3.2f</user><kernel>%3.2f</kernel><idle>%3.2f</idle><iowait>%3.2f</iowait><swap>%3.2f</swap></cpu>", \ |
469 | + | cpu_percent->user, \ |
470 | + | cpu_percent->kernel, \ |
471 | + | cpu_percent->idle, \ |
472 | + | cpu_percent->iowait, \ |
473 | + | cpu_percent->swap); |
474 | + | |
475 | + | if(strlcat(xml, tmp, size) >= size) goto too_big_error; |
476 | + | } |
477 | + | |
478 | + | |
479 | + | /*Get mem stats, and fill in xml */ |
480 | + | if((mem_stats=get_memory_stats())==NULL){ |
481 | + | log_msg(LOG_CRIT, "Failed to get memory statistics"); |
482 | + | }else{ |
483 | + | snprintf(tmp, size, \ |
484 | + | "<memory><total>%lld</total><free>%lld</free><used>%lld</used><cache>%lld</cache></memory>", \ |
485 | + | mem_stats->total, \ |
486 | + | mem_stats->free, \ |
487 | + | mem_stats->used, \ |
488 | + | mem_stats->cache); |
489 | + | |
490 | + | if(strlcat(xml, tmp, size) >= size) goto too_big_error; |
491 | + | } |
492 | + | |
493 | + | |
494 | + | /* Get load stats */ |
495 | + | if((load_stats=get_load_stats())==NULL){ |
496 | + | log_msg(LOG_CRIT, "Failed to get load statistics"); |
497 | + | }else{ |
498 | + | snprintf(tmp, size, \ |
499 | + | "<load><load1>%.2lf</load1><load5>%.2lf</load5><load15>%.2lf</load15></load>", \ |
500 | + | load_stats->min1, \ |
501 | + | load_stats->min5, \ |
502 | + | load_stats->min15); |
503 | + | if(strlcat(xml, tmp, size) >= size) goto too_big_error; |
504 | + | } |
505 | + | |
506 | + | |
507 | + | /* get user stats */ |
508 | + | |
509 | + | if((user_stats=get_user_stats())==NULL){ |
510 | + | log_msg(LOG_CRIT, "Failed to get user statistics"); |
511 | + | }else{ |
512 | + | |
513 | + | snprintf(tmp, size, \ |
514 | + | "<users><list>%s</list><count>%d</count></users>", \ |
515 | + | user_stats->name_list, \ |
516 | + | user_stats->num_entries); |
517 | + | |
518 | + | if(strlcat(xml, tmp, size) >= size) goto too_big_error; |
519 | + | } |
520 | + | |
521 | + | |
522 | + | /* swap stats */ |
523 | + | if((swap_stats=get_swap_stats())==NULL){ |
524 | + | log_msg(LOG_CRIT, "Failed to get swap statistics"); |
525 | + | }else{ |
526 | + | snprintf(tmp, size, \ |
527 | + | "<swap><total>%lld</total><used>%lld</used><free>%lld</free></swap>",\ |
528 | + | swap_stats->total, \ |
529 | + | swap_stats->used, \ |
530 | + | swap_stats->free); |
531 | + | |
532 | + | if(strlcat(xml, tmp, size) >= size) goto too_big_error; |
533 | + | } |
534 | + | |
535 | + | |
536 | + | /* general stats */ |
537 | + | |
538 | + | if((general_stats=get_general_stats())==NULL){ |
539 | + | log_msg(LOG_CRIT, "Failed to get general statistics"); |
540 | + | }else{ |
541 | + | snprintf(tmp, size, \ |
542 | + | "<os><name>%s</name><release>%s</release><version>%s</version><sysname>%s</sysname><platform>%s</platform><uptime>%ld</uptime></os>", \ |
543 | + | general_stats->os_name, \ |
544 | + | general_stats->os_release, \ |
545 | + | general_stats->os_version, \ |
546 | + | general_stats->hostname, \ |
547 | + | general_stats->platform, \ |
548 | + | (long)general_stats->uptime); |
549 | + | |
550 | + | if(strlcat(xml, tmp, size) >= size) goto too_big_error; |
551 | + | |
552 | + | } |
553 | + | |
554 | + | |
555 | + | /* process stats */ |
556 | + | if((process_stats=get_process_stats())==NULL){ |
557 | + | log_msg(LOG_CRIT, "Failed to get general statistics"); |
558 | + | }else{ |
559 | + | snprintf(tmp, size, \ |
560 | + | "<processes><sleeping>%d</sleeping><cpu>%d</cpu><zombie>%d</zombie><stopped>%d</stopped><total>%d</total></processes>",\ |
561 | + | process_stats->sleeping, \ |
562 | + | process_stats->running, \ |
563 | + | process_stats->zombie, \ |
564 | + | process_stats->stopped, \ |
565 | + | process_stats->total); |
566 | + | |
567 | + | if(strlcat(xml, tmp, size) >= size) goto too_big_error; |
568 | + | |
569 | + | } |
570 | + | |
571 | + | |
572 | + | /* Get paging stats */ |
573 | + | if((page_stats=get_page_stats_diff())==NULL){ |
574 | + | log_msg(LOG_CRIT, "Failed to get paging statistics"); |
575 | + | }else{ |
576 | + | if(page_stats->systime!=0){ |
577 | + | x=page_stats->pages_pagein / page_stats->systime; |
578 | + | y=page_stats->pages_pageout / page_stats->systime; |
579 | + | }else{ |
580 | + | x=page_stats->pages_pagein; |
581 | + | y=page_stats->pages_pageout; |
582 | + | } |
583 | + | snprintf(tmp, size, \ |
584 | + | "<pages><pageins>%lld</pageins><pageouts>%lld</pageouts></pages>", \ |
585 | + | x, \ |
586 | + | y); |
587 | + | |
588 | + | if(strlcat(xml, tmp, size) >= size) goto too_big_error; |
589 | + | } |
590 | + | |
591 | + | |
592 | + | /* get diskio stats */ |
593 | + | |
594 | + | if((diskio_stats=get_diskio_stats_diff(&diskio_entries))==NULL){ |
595 | + | log_msg(LOG_CRIT, "Failed to get diskio statistics"); |
596 | + | }else{ |
597 | + | strlcat(xml, "<diskio>", size); |
598 | + | for(counter=0;counter<diskio_entries;counter++){ |
599 | + | |
600 | + | if(diskio_stats->systime!=0){ |
601 | + | x=diskio_stats->read_bytes / diskio_stats->systime; |
602 | + | y=diskio_stats->write_bytes / diskio_stats->systime; |
603 | + | }else{ |
604 | + | x=diskio_stats->read_bytes; |
605 | + | y=diskio_stats->write_bytes; |
606 | + | } |
607 | + | |
608 | + | snprintf(tmp, size, \ |
609 | + | "<p%d name=\"%s\" rbytes=\"%lld\" wbytes=\"%lld\"></p%d>", \ |
610 | + | counter, \ |
611 | + | diskio_stats->disk_name, \ |
612 | + | x, \ |
613 | + | y, \ |
614 | + | counter); |
615 | + | |
616 | + | strlcat(xml, tmp, size); |
617 | + | diskio_stats++; |
618 | + | } |
619 | + | |
620 | + | if(strlcat(xml, "</diskio>", size) >= size) goto too_big_error; |
621 | + | |
622 | + | } |
623 | + | |
624 | + | |
625 | + | /* get networks stats */ |
626 | + | |
627 | + | if((network_stats=get_network_stats_diff(&network_entries))==NULL){ |
628 | + | log_msg(LOG_CRIT, "Failed to get network statistics"); |
629 | + | }else{ |
630 | + | strlcat(xml, "<net>", size); |
631 | + | for(counter=0;counter<network_entries;counter++){ |
632 | + | if(network_stats->systime!=0){ |
633 | + | x=network_stats->rx / network_stats->systime; |
634 | + | y=network_stats->tx / network_stats->systime; |
635 | + | }else{ |
636 | + | x=network_stats->rx; |
637 | + | y=network_stats->tx; |
638 | + | } |
639 | + | |
640 | + | snprintf(tmp, size, \ |
641 | + | "<p%d name=\"%s\" rx=\"%lld\" tx=\"%lld\"></p%d>", \ |
642 | + | counter, \ |
643 | + | network_stats->interface_name, \ |
644 | + | x, \ |
645 | + | y, \ |
646 | + | counter); |
647 | + | |
648 | + | strlcat(xml, tmp, size); |
649 | + | network_stats++; |
650 | + | } |
651 | + | |
652 | + | if(strlcat(xml, "</net>", size) >= size) goto too_big_error; |
653 | + | |
654 | + | } |
655 | + | |
656 | + | |
657 | + | /* get disk stats */ |
658 | + | |
659 | + | if((disk_stats=get_disk_stats(&disk_entries))==NULL){ |
660 | + | log_msg(LOG_CRIT, "Failed to get disk statistics"); |
661 | + | }else{ |
662 | + | strlcat(xml, "<disk>", size); |
663 | + | for(counter=0;counter<disk_entries;counter++){ |
664 | + | snprintf(tmp, size, \ |
665 | + | "<p%d name=\"%s\" mount=\"%s\" fstype=\"%s\" total=\"%lld\" used=\"%lld\" avail=\"%lld\" totalinodes=\"%lld\" usedinodes=\"%lld\" freeinodes=\"%lld\"></p%d>", \ |
666 | + | counter, \ |
667 | + | disk_stats->device_name, \ |
668 | + | disk_stats->mnt_point, \ |
669 | + | disk_stats->fs_type, \ |
670 | + | disk_stats->size, \ |
671 | + | disk_stats->used, \ |
672 | + | disk_stats->avail, \ |
673 | + | disk_stats->total_inodes, \ |
674 | + | disk_stats->used_inodes, \ |
675 | + | disk_stats->free_inodes, \ |
676 | + | counter); |
677 | + | |
678 | + | strlcat(xml, tmp, size); |
679 | + | |
680 | + | disk_stats++; |
681 | + | } |
682 | + | |
683 | + | if(strlcat(xml, "</disk>", size) >= size) goto too_big_error; |
684 | + | |
685 | + | } |
686 | + | |
687 | + | |
688 | + | if(strlcat(xml, "</packet>", size) >= size) goto too_big_error; |
689 | + | |
690 | + | /*If we got to here, it should of all been filled in nicely now */ |
691 | return 0; | |
692 | + | |
693 | + | too_big_error: |
694 | + | log_msg(LOG_ERR, "UDP Packet is too large. Throwing away the packet"); |
695 | + | return -1; |
696 | } | |
697 | ||
698 | + | |
699 | + | |
700 | + | void usage(char *progname){ |
701 | + | fprintf(stderr, "Usage %s [options] server port\n", progname); |
702 | + | fprintf(stderr, "Options\n"); |
703 | + | fprintf(stderr, " -v Verbose mode,-vv would make even more verbose\n"); |
704 | + | fprintf(stderr, " -f Foreground mode, print errors to stderr\n"); |
705 | + | fprintf(stderr, " -V Print version number\n"); |
706 | + | fprintf(stderr, " -h Prints this help page\n"); |
707 | + | exit(1); |
708 | + | } |
709 | + | |
710 | + | int main(int argc, char **argv){ |
711 | + | |
712 | + | ihost_state_t ihost_state; |
713 | + | udp_sockinfo_t udp_sockinfo; |
714 | + | |
715 | + | int cmdopt; |
716 | + | extern int optind; |
717 | + | pid_t pid; |
718 | + | FILE *f; |
719 | + | int packet_num=0; |
720 | + | int len; |
721 | + | |
722 | + | char packet[MAX_UDP_PACKET_SIZE]; |
723 | + | |
724 | + | time_t cur_time, sleep_delay, udp_time=0, config_time=0; |
725 | + | |
726 | + | /* Set default settings */ |
727 | + | ihost_config.verbose=1; |
728 | + | ihost_config.daemon=1; |
729 | + | /* Set all errors to go down stderr until told otherwise */ |
730 | + | ihost_config.log=stderr; |
731 | + | |
732 | + | /* Blank ihost_state to default settings */ |
733 | + | ihost_state.filtermanager_host=NULL; |
734 | + | ihost_state.host_fqdn=NULL; |
735 | + | ihost_state.host_ip=NULL; |
736 | + | ihost_state.server_fqdn=NULL; |
737 | + | ihost_state.file_list=NULL; |
738 | + | ihost_state.last_modified=NULL; |
739 | + | |
740 | + | while((cmdopt=getopt(argc, argv, "vfhV")) != -1){ |
741 | + | switch(cmdopt){ |
742 | + | case 'v': |
743 | + | ihost_config.verbose++; |
744 | + | break; |
745 | + | |
746 | + | case 'f': |
747 | + | /* Force syslog logging since stderr will be closed in this case */ |
748 | + | ihost_config.daemon=0; |
749 | + | break; |
750 | + | |
751 | + | case 'h': |
752 | + | usage(argv[0]); |
753 | + | break; |
754 | + | |
755 | + | case 'V': |
756 | + | fprintf(stderr, "%s version %s\n", argv[0], VERSION); |
757 | + | break; |
758 | + | |
759 | + | default: |
760 | + | usage(argv[0]); |
761 | + | exit(1); |
762 | + | } |
763 | + | } |
764 | + | |
765 | + | if(argc!=optind+2){ |
766 | + | usage(argv[0]); |
767 | + | exit(1); |
768 | + | } |
769 | + | |
770 | + | ihost_state.filtermanager_host=strdup(argv[optind]); |
771 | + | ihost_state.filtermanager_port=atoi(argv[optind+1]); |
772 | + | |
773 | + | if(gethostbyname(ihost_state.filtermanager_host)==NULL){ |
774 | + | log_msg(LOG_CRIT, "Failed to lookup hostname. Please check settings"); |
775 | + | exit(1); |
776 | + | } |
777 | + | if(ihost_state.filtermanager_port==0){ |
778 | + | log_msg(LOG_ERR, "Invalid port number"); |
779 | + | exit(1); |
780 | + | } |
781 | + | |
782 | + | if(ihost_config.daemon){ |
783 | + | pid=fork(); |
784 | + | if(pid==-1){ |
785 | + | log_msg(LOG_CRIT, "Failed to background exiting"); |
786 | + | exit(1); |
787 | + | }else if(pid!=0){ |
788 | + | /* Parent process */ |
789 | + | return 0; |
790 | + | } |
791 | + | /* We should now be in the background*/ |
792 | + | if(setsid()==-1){ |
793 | + | log_msg(LOG_CRIT, "setsid failed"); |
794 | + | exit(1); |
795 | + | } |
796 | + | |
797 | + | if((ihost_config.log=fopen(LOG_FILE, "a"))==NULL){ |
798 | + | ihost_config.log=stderr; |
799 | + | log_msg(LOG_CRIT, "Failed to open Logfiles %s for writing", LOG_FILE); |
800 | + | exit(1); |
801 | + | } |
802 | + | |
803 | + | fclose(stdin); |
804 | + | fclose(stdout); |
805 | + | fclose(stderr); |
806 | + | |
807 | + | } |
808 | + | |
809 | + | log_msg(LOG_INFO, "Starting ihost"); |
810 | + | |
811 | + | log_msg(LOG_DEBUG,"Writing PID FILE"); |
812 | + | |
813 | + | pid=getpid(); |
814 | + | |
815 | + | if((f=fopen(PID_FILE,"w")) == NULL){ |
816 | + | log_msg(LOG_CRIT, "Failed to write PID file"); |
817 | + | }else{ |
818 | + | if((fprintf(f,"%d",(int)pid)) <= 0 ){ |
819 | + | log_msg(LOG_CRIT, "Failed to write PID file"); |
820 | + | } |
821 | + | if((fclose(f))!=0){ |
822 | + | log_msg(LOG_CRIT, "failed to close PID file"); |
823 | + | } |
824 | + | } |
825 | + | |
826 | + | /* Get the initial config from the filter manager. Should this fail, |
827 | + | * wait, and then try again. */ |
828 | + | |
829 | + | get_diskio_stats_diff(&packet_num); |
830 | + | packet_num=0; |
831 | + | |
832 | + | while(ihost_getconfig(&ihost_state)!=0){ |
833 | + | log_msg(LOG_ERR, "Failed to get ihost config"); |
834 | + | sleep(10); |
835 | + | } |
836 | + | |
837 | + | printf("%s\n%d\n", ihost_state.server_fqdn, ihost_state.server_udp_port); |
838 | + | while((create_udp_sockinfo(&udp_sockinfo, ihost_state.server_fqdn, ihost_state.server_udp_port))!=0){ |
839 | + | log_msg(LOG_ERR, "Failed to create udp socket"); |
840 | + | sleep(10); |
841 | + | } |
842 | + | |
843 | + | config_time=time(NULL)+ihost_state.config_ttl; |
844 | + | |
845 | + | /* Now have config.. collect data and send as often as required */ |
846 | + | for(;;){ |
847 | + | cur_time=time(NULL); |
848 | + | |
849 | + | if(cur_time>=udp_time){ |
850 | + | if((get_system_stats(packet_num++, &ihost_state, packet, MAX_UDP_PACKET_SIZE))!=0){ |
851 | + | log_msg(LOG_ERR, "Failed to get system stats"); |
852 | + | } |
853 | + | |
854 | + | len=strlen(packet); |
855 | + | log_msg(LOG_DEBUG, "Packet size: %d\nPacket: %s\n", len, packet); |
856 | + | |
857 | + | if((sendto(udp_sockinfo.sock, packet, len, 0, (struct sockaddr *) &udp_sockinfo.addr, sizeof(udp_sockinfo.addr)))!=len){ |
858 | + | log_msg(LOG_CRIT, "Failed to send packet"); |
859 | + | } |
860 | + | udp_time=cur_time+ihost_state.udp_update_time; |
861 | + | log_msg(LOG_DEBUG, "Next packet should be sent on %d", udp_time); |
862 | + | } |
863 | + | |
864 | + | if(cur_time>=config_time){ |
865 | + | if(ihost_getconfig(&ihost_state)!=0){ |
866 | + | /* If we can't get the config, try again 5 minutes time */ |
867 | + | log_msg(LOG_ERR, "Failed to get config, try again 5 minutes time"); |
868 | + | config_time=time(NULL)+300; |
869 | + | }else{ |
870 | + | close(udp_sockinfo.sock); |
871 | + | |
872 | + | while((create_udp_sockinfo(&udp_sockinfo, ihost_state.server_fqdn, ihost_state.server_udp_port))!=0){ |
873 | + | log_msg(LOG_CRIT, "Failed to create udp socket"); |
874 | + | sleep(10); |
875 | + | } |
876 | + | |
877 | + | config_time=time(NULL)+ihost_state.config_ttl; |
878 | + | |
879 | + | log_msg(LOG_DEBUG, "Config expires on %d\n", ihost_state.config_ttl); |
880 | + | } |
881 | + | } |
882 | + | |
883 | + | sleep_delay=udp_time-time(NULL); |
884 | + | log_msg(LOG_DEBUG, "Sleeping for %d", sleep_delay); |
885 | + | if(sleep_delay>0) sleep(sleep_delay); |
886 | + | } |
887 | + | |
888 | + | return(0); |
889 | + | } |
– | Removed lines |
+ | Added lines |
< | Changed lines |
> | Changed lines |