1 |
/* |
2 |
* Cisco 7200 (Predator) simulation platform. |
3 |
* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
4 |
* |
5 |
* Hypervisor routines. |
6 |
*/ |
7 |
|
8 |
/* By default, Cygwin supports only 64 FDs with select()! */ |
9 |
#ifdef __CYGWIN__ |
10 |
#define FD_SETSIZE 1024 |
11 |
#endif |
12 |
|
13 |
#include <stdio.h> |
14 |
#include <stdlib.h> |
15 |
#include <unistd.h> |
16 |
#include <string.h> |
17 |
#include <sys/types.h> |
18 |
#include <sys/stat.h> |
19 |
#include <sys/mman.h> |
20 |
#include <signal.h> |
21 |
#include <fcntl.h> |
22 |
#include <errno.h> |
23 |
#include <assert.h> |
24 |
#include <stdarg.h> |
25 |
#include <sys/ioctl.h> |
26 |
#include <sys/types.h> |
27 |
#include <sys/socket.h> |
28 |
#include <arpa/inet.h> |
29 |
#include <pthread.h> |
30 |
|
31 |
#include "utils.h" |
32 |
#include "parser.h" |
33 |
#include "net.h" |
34 |
#include "registry.h" |
35 |
#include "mips64.h" |
36 |
#include "dynamips.h" |
37 |
#include "dev_c7200.h" |
38 |
#include "dev_c3600.h" |
39 |
#include "dev_c2691.h" |
40 |
#include "dev_c3725.h" |
41 |
#include "dev_c3745.h" |
42 |
#include "hypervisor.h" |
43 |
#include "net_io.h" |
44 |
#include "net_io_bridge.h" |
45 |
#include "frame_relay.h" |
46 |
#include "atm.h" |
47 |
|
48 |
#define DEBUG_TOKEN 0 |
49 |
|
50 |
/* Hypervisor modules */ |
51 |
static hypervisor_module_t *module_list = NULL; |
52 |
static volatile int hypervisor_running = 0; |
53 |
|
54 |
/* Hypervisor connection list */ |
55 |
static hypervisor_conn_t *hypervisor_conn_list = NULL; |
56 |
|
57 |
/* Show hypervisor version */ |
58 |
static int cmd_version(hypervisor_conn_t *conn,int argc,char *argv[]) |
59 |
{ |
60 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"%s",sw_version); |
61 |
return(0); |
62 |
} |
63 |
|
64 |
/* Parser test */ |
65 |
static int cmd_parser_test(hypervisor_conn_t *conn,int argc,char *argv[]) |
66 |
{ |
67 |
int i; |
68 |
|
69 |
for(i=0;i<argc;i++) |
70 |
hypervisor_send_reply(conn,HSC_INFO_MSG,0, |
71 |
"arg %d (len %u): \"%s\"", |
72 |
i,strlen(argv[i]),argv[i]); |
73 |
|
74 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
75 |
return(0); |
76 |
} |
77 |
|
78 |
/* Show hypervisor module list */ |
79 |
static int cmd_mod_list(hypervisor_conn_t *conn,int argc,char *argv[]) |
80 |
{ |
81 |
hypervisor_module_t *m; |
82 |
|
83 |
for(m=module_list;m;m=m->next) |
84 |
hypervisor_send_reply(conn,HSC_INFO_MSG,0,"%s",m->name); |
85 |
|
86 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
87 |
return(0); |
88 |
} |
89 |
|
90 |
/* Show module command list */ |
91 |
static int cmd_modcmd_list(hypervisor_conn_t *conn,int argc,char *argv[]) |
92 |
{ |
93 |
hypervisor_module_t *m; |
94 |
hypervisor_cmd_t *cmd; |
95 |
|
96 |
if (!(m = hypervisor_find_module(argv[0]))) { |
97 |
hypervisor_send_reply(conn,HSC_ERR_UNK_MODULE,1,"unknown module '%s'", |
98 |
argv[0]); |
99 |
return(-1); |
100 |
} |
101 |
|
102 |
for(cmd=m->cmd_list;cmd;cmd=cmd->next) |
103 |
hypervisor_send_reply(conn,HSC_INFO_MSG,0,"%s (min/max args: %d/%d)", |
104 |
cmd->name,cmd->min_param,cmd->max_param); |
105 |
|
106 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
107 |
return(0); |
108 |
} |
109 |
|
110 |
/* Set working directory */ |
111 |
static int cmd_set_working_dir(hypervisor_conn_t *conn,int argc,char *argv[]) |
112 |
{ |
113 |
if (chdir(argv[0]) == -1) { |
114 |
hypervisor_send_reply(conn,HSC_ERR_INV_PARAM,1, |
115 |
"chdir: %s",strerror(errno)); |
116 |
} else { |
117 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
118 |
} |
119 |
return(0); |
120 |
} |
121 |
|
122 |
/* Save the hypervisor configuration in the specified file */ |
123 |
static int cmd_save_config(hypervisor_conn_t *conn,int argc,char *argv[]) |
124 |
{ |
125 |
FILE *fd; |
126 |
|
127 |
if (!(fd = fopen(argv[0],"w"))) { |
128 |
hypervisor_send_reply(conn,HSC_ERR_FILE,1,"fopen: %s",strerror(errno)); |
129 |
return(-1); |
130 |
} |
131 |
|
132 |
/* Save configuration for all objects */ |
133 |
netio_save_config_all(fd); |
134 |
frsw_save_config_all(fd); |
135 |
atmsw_save_config_all(fd); |
136 |
netio_bridge_save_config_all(fd); |
137 |
c7200_save_config_all(fd); |
138 |
c3600_save_config_all(fd); |
139 |
c2691_save_config_all(fd); |
140 |
c3725_save_config_all(fd); |
141 |
c3745_save_config_all(fd); |
142 |
|
143 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
144 |
return(0); |
145 |
} |
146 |
|
147 |
/* Reset hypervisor (delete all objects) */ |
148 |
static int cmd_reset(hypervisor_conn_t *conn,int argc,char *argv[]) |
149 |
{ |
150 |
dynamips_reset(); |
151 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
152 |
return(0); |
153 |
} |
154 |
|
155 |
/* Close connection */ |
156 |
static int cmd_close(hypervisor_conn_t *conn,int argc,char *argv[]) |
157 |
{ |
158 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
159 |
conn->active = FALSE; |
160 |
return(0); |
161 |
} |
162 |
|
163 |
/* Stop hypervisor */ |
164 |
static int cmd_stop(hypervisor_conn_t *conn,int argc,char *argv[]) |
165 |
{ |
166 |
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
167 |
hypervisor_running = FALSE; |
168 |
return(0); |
169 |
} |
170 |
|
171 |
/* Hypervisor commands */ |
172 |
static hypervisor_cmd_t hypervisor_cmd_array[] = { |
173 |
{ "version", 0, 0, cmd_version, NULL }, |
174 |
{ "parser_test", 0, 10, cmd_parser_test, NULL }, |
175 |
{ "module_list", 0, 0, cmd_mod_list, NULL }, |
176 |
{ "cmd_list", 1, 1, cmd_modcmd_list, NULL }, |
177 |
{ "working_dir", 1, 1, cmd_set_working_dir, NULL }, |
178 |
{ "save_config", 1, 1, cmd_save_config, NULL }, |
179 |
{ "reset", 0, 0, cmd_reset, NULL }, |
180 |
{ "close", 0, 0, cmd_close, NULL }, |
181 |
{ "stop", 0, 0, cmd_stop, NULL }, |
182 |
{ NULL, -1, -1, NULL, NULL }, |
183 |
}; |
184 |
|
185 |
/* Send a reply */ |
186 |
int hypervisor_send_reply(hypervisor_conn_t *conn,int code,int done, |
187 |
char *format,...) |
188 |
{ |
189 |
va_list ap; |
190 |
size_t n = 0; |
191 |
|
192 |
if (conn != NULL) { |
193 |
va_start(ap,format); |
194 |
n += fprintf(conn->out,"%3d%s",code,(done)?"-":" "); |
195 |
n += vfprintf(conn->out,format,ap); |
196 |
n += fprintf(conn->out,"\r\n"); |
197 |
fflush(conn->out); |
198 |
va_end(ap); |
199 |
} |
200 |
|
201 |
return(n); |
202 |
} |
203 |
|
204 |
/* Find a module */ |
205 |
hypervisor_module_t *hypervisor_find_module(char *name) |
206 |
{ |
207 |
hypervisor_module_t *m; |
208 |
|
209 |
for(m=module_list;m;m=m->next) |
210 |
if (!strcmp(m->name,name)) |
211 |
return m; |
212 |
|
213 |
return NULL; |
214 |
} |
215 |
|
216 |
/* Find a command in a module */ |
217 |
hypervisor_cmd_t *hypervisor_find_cmd(hypervisor_module_t *module,char *name) |
218 |
{ |
219 |
hypervisor_cmd_t *cmd; |
220 |
|
221 |
for(cmd=module->cmd_list;cmd;cmd=cmd->next) |
222 |
if (!strcmp(cmd->name,name)) |
223 |
return cmd; |
224 |
|
225 |
return NULL; |
226 |
} |
227 |
|
228 |
/* Find an object in the registry */ |
229 |
void *hypervisor_find_object(hypervisor_conn_t *conn,char *name,int obj_type) |
230 |
{ |
231 |
void *p; |
232 |
|
233 |
if (!(p = registry_find(name,obj_type))) { |
234 |
hypervisor_send_reply(conn,HSC_ERR_UNK_OBJ,1, |
235 |
"unable to find object '%s'",name); |
236 |
return NULL; |
237 |
} |
238 |
|
239 |
return p; |
240 |
} |
241 |
|
242 |
/* Find a VM in the registry */ |
243 |
void *hypervisor_find_vm(hypervisor_conn_t *conn,char *name,int vm_type) |
244 |
{ |
245 |
vm_instance_t *vm; |
246 |
|
247 |
if (!(vm = vm_acquire(name))) { |
248 |
hypervisor_send_reply(conn,HSC_ERR_UNK_OBJ,1, |
249 |
"unable to find VM '%s'",name); |
250 |
return NULL; |
251 |
} |
252 |
|
253 |
if (vm->type != vm_type) { |
254 |
vm_release(vm); |
255 |
hypervisor_send_reply(conn,HSC_ERR_BAD_OBJ,1, |
256 |
"VM '%s' is not a VM type %d", |
257 |
name,vm_type); |
258 |
return NULL; |
259 |
} |
260 |
|
261 |
return vm; |
262 |
} |
263 |
|
264 |
/* Register a module */ |
265 |
hypervisor_module_t *hypervisor_register_module(char *name) |
266 |
{ |
267 |
hypervisor_module_t *m; |
268 |
|
269 |
if (hypervisor_find_module(name) != NULL) { |
270 |
fprintf(stderr,"Hypervisor: module '%s' already exists.\n",name); |
271 |
return NULL; |
272 |
} |
273 |
|
274 |
if (!(m = malloc(sizeof(*m)))) { |
275 |
fprintf(stderr,"Hypervisor: unable to register new module.\n"); |
276 |
return NULL; |
277 |
} |
278 |
|
279 |
m->name = name; |
280 |
m->cmd_list = NULL; |
281 |
|
282 |
m->next = module_list; |
283 |
module_list = m; |
284 |
return m; |
285 |
} |
286 |
|
287 |
/* Register a list of commands */ |
288 |
int hypervisor_register_cmd_list(hypervisor_module_t *module, |
289 |
hypervisor_cmd_t *cmd_list) |
290 |
{ |
291 |
hypervisor_cmd_t *cmd = cmd_list; |
292 |
|
293 |
while(cmd->next != NULL) |
294 |
cmd = cmd->next; |
295 |
|
296 |
cmd->next = module->cmd_list; |
297 |
module->cmd_list = cmd_list; |
298 |
return(0); |
299 |
} |
300 |
|
301 |
/* Register an array of commands */ |
302 |
int hypervisor_register_cmd_array(hypervisor_module_t *module, |
303 |
hypervisor_cmd_t *cmd_array) |
304 |
{ |
305 |
hypervisor_cmd_t *cmd; |
306 |
|
307 |
for(cmd=cmd_array;cmd->name!=NULL;cmd++) { |
308 |
cmd->next = module->cmd_list; |
309 |
module->cmd_list = cmd; |
310 |
} |
311 |
|
312 |
return(0); |
313 |
} |
314 |
|
315 |
/* Locate the module and execute command */ |
316 |
static int hypervisor_exec_cmd(hypervisor_conn_t *conn, |
317 |
char *mod_name,char *cmd_name, |
318 |
int argc,char *argv[]) |
319 |
{ |
320 |
hypervisor_module_t *module; |
321 |
hypervisor_cmd_t *cmd; |
322 |
|
323 |
if (!(module = hypervisor_find_module(mod_name))) { |
324 |
hypervisor_send_reply(conn,HSC_ERR_UNK_MODULE,1,"Unknown module '%s'", |
325 |
mod_name); |
326 |
return(-1); |
327 |
} |
328 |
|
329 |
if (!(cmd = hypervisor_find_cmd(module,cmd_name))) { |
330 |
hypervisor_send_reply(conn,HSC_ERR_UNK_CMD,1,"Unknown command '%s'", |
331 |
cmd_name); |
332 |
return(-1); |
333 |
} |
334 |
|
335 |
if ((argc < cmd->min_param) || (argc > cmd->max_param)) { |
336 |
hypervisor_send_reply(conn,HSC_ERR_BAD_PARAM,1, |
337 |
"Bad number of parameters (%d with min/max=%d/%d)", |
338 |
argc,cmd->min_param,cmd->max_param); |
339 |
return(-1); |
340 |
} |
341 |
|
342 |
return(cmd->handler(conn,argc,argv)); |
343 |
} |
344 |
|
345 |
/* Thread for servicing connections */ |
346 |
static void *hypervisor_thread(void *arg) |
347 |
{ |
348 |
hypervisor_conn_t *conn = arg; |
349 |
char buffer[512],**tokens; |
350 |
parser_context_t ctx; |
351 |
int res; |
352 |
|
353 |
tokens = NULL; |
354 |
parser_context_init(&ctx); |
355 |
|
356 |
while(conn->active) { |
357 |
if (!fgets(buffer,sizeof(buffer),conn->in)) |
358 |
break; |
359 |
|
360 |
if (!*buffer) |
361 |
continue; |
362 |
|
363 |
/* Tokenize command line */ |
364 |
res = parser_scan_buffer(&ctx,buffer,strlen(buffer)); |
365 |
|
366 |
if (res != 0) { |
367 |
tokens = NULL; |
368 |
|
369 |
if (ctx.error != 0) { |
370 |
hypervisor_send_reply(conn,HSC_ERR_PARSING,1,"Parse error: %s", |
371 |
parser_strerror(&ctx)); |
372 |
goto free_tokens; |
373 |
} |
374 |
|
375 |
if (ctx.tok_count < 2) { |
376 |
hypervisor_send_reply(conn,HSC_ERR_PARSING,1, |
377 |
"At least a module and a command " |
378 |
"must be specified"); |
379 |
goto free_tokens; |
380 |
} |
381 |
|
382 |
/* Map token list to an array */ |
383 |
tokens = parser_map_array(&ctx); |
384 |
|
385 |
if (!tokens) { |
386 |
hypervisor_send_reply(conn,HSC_ERR_PARSING,1,"No memory"); |
387 |
goto free_tokens; |
388 |
} |
389 |
|
390 |
/* Execute command */ |
391 |
//m_log("hypervisor_exec","%s\n",buffer); |
392 |
hypervisor_exec_cmd(conn,tokens[0],tokens[1],ctx. |
393 |
tok_count-2,&tokens[2]); |
394 |
|
395 |
free_tokens: |
396 |
free(tokens); |
397 |
tokens = NULL; |
398 |
parser_context_free(&ctx); |
399 |
} |
400 |
} |
401 |
|
402 |
free(tokens); |
403 |
parser_context_free(&ctx); |
404 |
return NULL; |
405 |
} |
406 |
|
407 |
static void sigpipe_handler(int sig) |
408 |
{ |
409 |
printf("SIGPIPE received.\n"); |
410 |
} |
411 |
|
412 |
/* Initialize hypervisor */ |
413 |
int hypervisor_init(void) |
414 |
{ |
415 |
hypervisor_module_t *module; |
416 |
|
417 |
module = hypervisor_register_module("hypervisor"); |
418 |
assert(module != NULL); |
419 |
|
420 |
hypervisor_register_cmd_array(module,hypervisor_cmd_array); |
421 |
return(0); |
422 |
} |
423 |
|
424 |
/* Remove a connection from the list */ |
425 |
static void hypervisor_remove_conn(hypervisor_conn_t *conn) |
426 |
{ |
427 |
if (conn->pprev != NULL) { |
428 |
if (conn->next) |
429 |
conn->next->pprev = conn->pprev; |
430 |
|
431 |
*(conn->pprev) = conn->next; |
432 |
} |
433 |
} |
434 |
|
435 |
/* Close a connection */ |
436 |
static void hypervisor_close_conn(hypervisor_conn_t *conn) |
437 |
{ |
438 |
if (conn != NULL) { |
439 |
conn->active = FALSE; |
440 |
shutdown(conn->client_fd,2); |
441 |
pthread_join(conn->tid,NULL); |
442 |
|
443 |
fclose(conn->in); |
444 |
fclose(conn->out); |
445 |
|
446 |
shutdown(conn->client_fd,2); |
447 |
close(conn->client_fd); |
448 |
|
449 |
hypervisor_remove_conn(conn); |
450 |
free(conn); |
451 |
} |
452 |
} |
453 |
|
454 |
/* Close connections (dead or all) */ |
455 |
static void hypervisor_close_conn_list(int dead_status) |
456 |
{ |
457 |
hypervisor_conn_t *conn,*next; |
458 |
|
459 |
for(conn=hypervisor_conn_list;conn;conn=next) { |
460 |
next = conn->next; |
461 |
|
462 |
if (dead_status && conn->active) |
463 |
continue; |
464 |
|
465 |
hypervisor_close_conn(conn); |
466 |
} |
467 |
} |
468 |
|
469 |
/* Add a new connection to the list */ |
470 |
static void hypervisor_add_conn(hypervisor_conn_t *conn) |
471 |
{ |
472 |
conn->next = hypervisor_conn_list; |
473 |
conn->pprev = &hypervisor_conn_list; |
474 |
|
475 |
if (hypervisor_conn_list != NULL) |
476 |
hypervisor_conn_list->pprev = &conn->next; |
477 |
|
478 |
hypervisor_conn_list = conn; |
479 |
} |
480 |
|
481 |
/* Create a new connection */ |
482 |
static hypervisor_conn_t *hypervisor_create_conn(int client_fd) |
483 |
{ |
484 |
hypervisor_conn_t *conn; |
485 |
|
486 |
if (!(conn = malloc(sizeof(*conn)))) |
487 |
goto err_malloc; |
488 |
|
489 |
memset(conn,0,sizeof(*conn)); |
490 |
conn->active = TRUE; |
491 |
conn->client_fd = client_fd; |
492 |
|
493 |
/* Open input buffered stream */ |
494 |
if (!(conn->in = fdopen(client_fd,"r"))) { |
495 |
perror("hypervisor_create_conn: fdopen/in"); |
496 |
goto err_fd_in; |
497 |
} |
498 |
|
499 |
/* Open output buffered stream */ |
500 |
if (!(conn->out = fdopen(client_fd,"w"))) { |
501 |
perror("hypervisor_create_conn: fdopen/out"); |
502 |
goto err_fd_out; |
503 |
} |
504 |
|
505 |
/* Set line buffering */ |
506 |
setlinebuf(conn->in); |
507 |
setlinebuf(conn->out); |
508 |
|
509 |
/* Create the managing thread */ |
510 |
if (pthread_create(&conn->tid,NULL,hypervisor_thread,conn) != 0) |
511 |
goto err_thread; |
512 |
|
513 |
/* Add it to the connection list */ |
514 |
hypervisor_add_conn(conn); |
515 |
return conn; |
516 |
|
517 |
err_thread: |
518 |
fclose(conn->out); |
519 |
err_fd_out: |
520 |
fclose(conn->in); |
521 |
err_fd_in: |
522 |
free(conn); |
523 |
err_malloc: |
524 |
return NULL; |
525 |
} |
526 |
|
527 |
/* Stop hypervisor from sighandler */ |
528 |
int hypervisor_stopsig(void) |
529 |
{ |
530 |
hypervisor_running = FALSE; |
531 |
return(0); |
532 |
} |
533 |
|
534 |
/* Hypervisor TCP server */ |
535 |
int hypervisor_tcp_server(int tcp_port) |
536 |
{ |
537 |
int fd_array[HYPERVISOR_MAX_FD]; |
538 |
struct sockaddr_storage remote_addr; |
539 |
socklen_t remote_len; |
540 |
int i,res,clnt,fd_count,fd_max; |
541 |
struct timeval tv; |
542 |
fd_set fds; |
543 |
|
544 |
/* Initialize all hypervisor modules */ |
545 |
hypervisor_init(); |
546 |
hypervisor_nio_init(); |
547 |
hypervisor_nio_bridge_init(); |
548 |
hypervisor_frsw_init(); |
549 |
hypervisor_atmsw_init(); |
550 |
hypervisor_ethsw_init(); |
551 |
hypervisor_vm_init(); |
552 |
hypervisor_vm_debug_init(); |
553 |
hypervisor_c7200_init(); |
554 |
hypervisor_c3600_init(); |
555 |
hypervisor_c2691_init(); |
556 |
hypervisor_c3725_init(); |
557 |
hypervisor_c3745_init(); |
558 |
|
559 |
signal(SIGPIPE,sigpipe_handler); |
560 |
|
561 |
if (!tcp_port) |
562 |
tcp_port = HYPERVISOR_TCP_PORT; |
563 |
|
564 |
fd_count = ip_listen(tcp_port,SOCK_STREAM,HYPERVISOR_MAX_FD,fd_array); |
565 |
|
566 |
if (fd_count <= 0) { |
567 |
fprintf(stderr,"Hypervisor: unable to create TCP sockets.\n"); |
568 |
return(-1); |
569 |
} |
570 |
|
571 |
/* Start accepting connections */ |
572 |
printf("Hypervisor TCP control server started (port %d).\n",tcp_port); |
573 |
hypervisor_running = TRUE; |
574 |
|
575 |
while(hypervisor_running) { |
576 |
FD_ZERO(&fds); |
577 |
fd_max = -1; |
578 |
|
579 |
for(i=0;i<fd_count;i++) |
580 |
if (fd_array[i] != -1) { |
581 |
FD_SET(fd_array[i],&fds); |
582 |
if (fd_array[i] > fd_max) |
583 |
fd_max = fd_array[i]; |
584 |
} |
585 |
|
586 |
/* Wait for incoming connections */ |
587 |
tv.tv_sec = 0; |
588 |
tv.tv_usec = 500 * 1000; /* 500 ms */ |
589 |
res = select(fd_max+1,&fds,NULL,NULL,&tv); |
590 |
|
591 |
if (res == -1) { |
592 |
if (errno == EINTR) |
593 |
continue; |
594 |
else |
595 |
perror("hypervisor_tcp_server: select"); |
596 |
} |
597 |
|
598 |
/* Accept connections on signaled sockets */ |
599 |
for(i=0;i<fd_count;i++) { |
600 |
if (fd_array[i] == -1) |
601 |
continue; |
602 |
|
603 |
if (!FD_ISSET(fd_array[i],&fds)) |
604 |
continue; |
605 |
|
606 |
remote_len = sizeof(remote_addr); |
607 |
clnt = accept(fd_array[i],(struct sockaddr *)&remote_addr, |
608 |
&remote_len); |
609 |
|
610 |
if (clnt < 0) { |
611 |
perror("hypervisor_tcp_server: accept"); |
612 |
continue; |
613 |
} |
614 |
|
615 |
/* create a new connection and start a thread to handle it */ |
616 |
if (!hypervisor_create_conn(clnt)) { |
617 |
fprintf(stderr,"hypervisor_tcp_server: unable to create new " |
618 |
"connection for FD %d\n",clnt); |
619 |
close(clnt); |
620 |
} |
621 |
} |
622 |
|
623 |
/* Walk through the connection list to eliminate dead connections */ |
624 |
hypervisor_close_conn_list(TRUE); |
625 |
} |
626 |
|
627 |
/* Close all control sockets */ |
628 |
printf("Hypervisor: closing control sockets.\n"); |
629 |
for(i=0;i<fd_count;i++) { |
630 |
if (fd_array[i] != -1) { |
631 |
shutdown(fd_array[i],2); |
632 |
close(fd_array[i]); |
633 |
} |
634 |
} |
635 |
|
636 |
/* Close all remote client connections */ |
637 |
printf("Hypervisor: closing remote client connections.\n"); |
638 |
hypervisor_close_conn_list(FALSE); |
639 |
return(0); |
640 |
} |