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tcl/board: Add NXP FRDM-K64F
[openocd.git] / src / server / server.c
blobdd408048cf1736dabc94f4fe6ca8c42af6ee4d1e
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007-2010 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
7 * *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
20 * *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
23 ***************************************************************************/
24
25 #ifdef HAVE_CONFIG_H
26 #include "config.h"
27 #endif
28
29 #include "server.h"
30 #include <helper/time_support.h>
31 #include <target/target.h>
32 #include <target/target_request.h>
33 #include <target/openrisc/jsp_server.h>
34 #include "openocd.h"
35 #include "tcl_server.h"
36 #include "telnet_server.h"
37
38 #include <signal.h>
39
40 #ifdef HAVE_NETDB_H
41 #include <netdb.h>
42 #endif
43
44 #ifndef _WIN32
45 #include <netinet/tcp.h>
46 #endif
47
48 static struct service *services;
49
50 enum shutdown_reason {
51 CONTINUE_MAIN_LOOP, /* stay in main event loop */
52 SHUTDOWN_REQUESTED, /* set by shutdown command; exit the event loop and quit the debugger */
53 SHUTDOWN_WITH_ERROR_CODE, /* set by shutdown command; quit with non-zero return code */
54 SHUTDOWN_WITH_SIGNAL_CODE /* set by sig_handler; exec shutdown then exit with signal as return code */
55 };
56 static enum shutdown_reason shutdown_openocd = CONTINUE_MAIN_LOOP;
57
58 /* store received signal to exit application by killing ourselves */
59 static int last_signal;
60
61 /* set the polling period to 100ms */
62 static int polling_period = 100;
63
64 /* address by name on which to listen for incoming TCP/IP connections */
65 static char *bindto_name;
66
67 static int add_connection(struct service *service, struct command_context *cmd_ctx)
68 {
69 socklen_t address_size;
70 struct connection *c, **p;
71 int retval;
72 int flag = 1;
73
74 c = malloc(sizeof(struct connection));
75 c->fd = -1;
76 c->fd_out = -1;
77 memset(&c->sin, 0, sizeof(c->sin));
78 c->cmd_ctx = copy_command_context(cmd_ctx);
79 c->service = service;
80 c->input_pending = false;
81 c->priv = NULL;
82 c->next = NULL;
83
84 if (service->type == CONNECTION_TCP) {
85 address_size = sizeof(c->sin);
86
87 c->fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
88 c->fd_out = c->fd;
89
90 /* This increases performance dramatically for e.g. GDB load which
91 * does not have a sliding window protocol.
92 *
93 * Ignore errors from this fn as it probably just means less performance
94 */
95 setsockopt(c->fd, /* socket affected */
96 IPPROTO_TCP, /* set option at TCP level */
97 TCP_NODELAY, /* name of option */
98 (char *)&flag, /* the cast is historical cruft */
99 sizeof(int)); /* length of option value */
100
101 LOG_INFO("accepting '%s' connection on tcp/%s", service->name, service->port);
102 retval = service->new_connection(c);
103 if (retval != ERROR_OK) {
104 close_socket(c->fd);
105 LOG_ERROR("attempted '%s' connection rejected", service->name);
106 command_done(c->cmd_ctx);
107 free(c);
108 return retval;
109 }
110 } else if (service->type == CONNECTION_STDINOUT) {
111 c->fd = service->fd;
112 c->fd_out = fileno(stdout);
113
114 #ifdef _WIN32
115 /* we are using stdin/out so ignore ctrl-c under windoze */
116 SetConsoleCtrlHandler(NULL, TRUE);
117 #endif
118
119 /* do not check for new connections again on stdin */
120 service->fd = -1;
121
122 LOG_INFO("accepting '%s' connection from pipe", service->name);
123 retval = service->new_connection(c);
124 if (retval != ERROR_OK) {
125 LOG_ERROR("attempted '%s' connection rejected", service->name);
126 command_done(c->cmd_ctx);
127 free(c);
128 return retval;
129 }
130 } else if (service->type == CONNECTION_PIPE) {
131 c->fd = service->fd;
132 /* do not check for new connections again on stdin */
133 service->fd = -1;
134
135 char *out_file = alloc_printf("%so", service->port);
136 c->fd_out = open(out_file, O_WRONLY);
137 free(out_file);
138 if (c->fd_out == -1) {
139 LOG_ERROR("could not open %s", service->port);
140 command_done(c->cmd_ctx);
141 free(c);
142 return ERROR_FAIL;
143 }
144
145 LOG_INFO("accepting '%s' connection from pipe %s", service->name, service->port);
146 retval = service->new_connection(c);
147 if (retval != ERROR_OK) {
148 LOG_ERROR("attempted '%s' connection rejected", service->name);
149 command_done(c->cmd_ctx);
150 free(c);
151 return retval;
152 }
153 }
154
155 /* add to the end of linked list */
156 for (p = &service->connections; *p; p = &(*p)->next)
157 ;
158 *p = c;
159
160 if (service->max_connections != CONNECTION_LIMIT_UNLIMITED)
161 service->max_connections--;
162
163 return ERROR_OK;
164 }
165
166 static int remove_connection(struct service *service, struct connection *connection)
167 {
168 struct connection **p = &service->connections;
169 struct connection *c;
170
171 /* find connection */
172 while ((c = *p)) {
173 if (c->fd == connection->fd) {
174 service->connection_closed(c);
175 if (service->type == CONNECTION_TCP)
176 close_socket(c->fd);
177 else if (service->type == CONNECTION_PIPE) {
178 /* The service will listen to the pipe again */
179 c->service->fd = c->fd;
180 }
181
182 command_done(c->cmd_ctx);
183
184 /* delete connection */
185 *p = c->next;
186 free(c);
187
188 if (service->max_connections != CONNECTION_LIMIT_UNLIMITED)
189 service->max_connections++;
190
191 break;
192 }
193
194 /* redirect p to next list pointer */
195 p = &(*p)->next;
196 }
197
198 return ERROR_OK;
199 }
200
201 static void free_service(struct service *c)
202 {
203 free(c->name);
204 free(c->port);
205 free(c);
206 }
207
208 int add_service(const struct service_driver *driver, const char *port,
209 int max_connections, void *priv)
210 {
211 struct service *c, **p;
212 struct hostent *hp;
213 int so_reuseaddr_option = 1;
214
215 c = malloc(sizeof(struct service));
216
217 c->name = strdup(driver->name);
218 c->port = strdup(port);
219 c->max_connections = 1; /* Only TCP/IP ports can support more than one connection */
220 c->fd = -1;
221 c->connections = NULL;
222 c->new_connection_during_keep_alive = driver->new_connection_during_keep_alive_handler;
223 c->new_connection = driver->new_connection_handler;
224 c->input = driver->input_handler;
225 c->connection_closed = driver->connection_closed_handler;
226 c->keep_client_alive = driver->keep_client_alive_handler;
227 c->priv = priv;
228 c->next = NULL;
229 long portnumber;
230 if (strcmp(c->port, "pipe") == 0)
231 c->type = CONNECTION_STDINOUT;
232 else {
233 char *end;
234 portnumber = strtol(c->port, &end, 0);
235 if (!*end && (parse_long(c->port, &portnumber) == ERROR_OK)) {
236 c->portnumber = portnumber;
237 c->type = CONNECTION_TCP;
238 } else
239 c->type = CONNECTION_PIPE;
240 }
241
242 if (c->type == CONNECTION_TCP) {
243 c->max_connections = max_connections;
244
245 c->fd = socket(AF_INET, SOCK_STREAM, 0);
246 if (c->fd == -1) {
247 LOG_ERROR("error creating socket: %s", strerror(errno));
248 free_service(c);
249 return ERROR_FAIL;
250 }
251
252 setsockopt(c->fd,
253 SOL_SOCKET,
254 SO_REUSEADDR,
255 (void *)&so_reuseaddr_option,
256 sizeof(int));
257
258 socket_nonblock(c->fd);
259
260 memset(&c->sin, 0, sizeof(c->sin));
261 c->sin.sin_family = AF_INET;
262
263 if (!bindto_name)
264 c->sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
265 else {
266 hp = gethostbyname(bindto_name);
267 if (!hp) {
268 LOG_ERROR("couldn't resolve bindto address: %s", bindto_name);
269 close_socket(c->fd);
270 free_service(c);
271 return ERROR_FAIL;
272 }
273 memcpy(&c->sin.sin_addr, hp->h_addr_list[0], hp->h_length);
274 }
275 c->sin.sin_port = htons(c->portnumber);
276
277 if (bind(c->fd, (struct sockaddr *)&c->sin, sizeof(c->sin)) == -1) {
278 LOG_ERROR("couldn't bind %s to socket on port %d: %s", c->name, c->portnumber, strerror(errno));
279 close_socket(c->fd);
280 free_service(c);
281 return ERROR_FAIL;
282 }
283
284 #ifndef _WIN32
285 int segsize = 65536;
286 setsockopt(c->fd, IPPROTO_TCP, TCP_MAXSEG, &segsize, sizeof(int));
287 #endif
288 int window_size = 128 * 1024;
289
290 /* These setsockopt()s must happen before the listen() */
291
292 setsockopt(c->fd, SOL_SOCKET, SO_SNDBUF,
293 (char *)&window_size, sizeof(window_size));
294 setsockopt(c->fd, SOL_SOCKET, SO_RCVBUF,
295 (char *)&window_size, sizeof(window_size));
296
297 if (listen(c->fd, 1) == -1) {
298 LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
299 close_socket(c->fd);
300 free_service(c);
301 return ERROR_FAIL;
302 }
303
304 struct sockaddr_in addr_in;
305 addr_in.sin_port = 0;
306 socklen_t addr_in_size = sizeof(addr_in);
307 if (getsockname(c->fd, (struct sockaddr *)&addr_in, &addr_in_size) == 0)
308 LOG_INFO("Listening on port %hu for %s connections",
309 ntohs(addr_in.sin_port), c->name);
310 } else if (c->type == CONNECTION_STDINOUT) {
311 c->fd = fileno(stdin);
312
313 #ifdef _WIN32
314 /* for win32 set stdin/stdout to binary mode */
315 if (_setmode(_fileno(stdout), _O_BINARY) < 0)
316 LOG_WARNING("cannot change stdout mode to binary");
317 if (_setmode(_fileno(stdin), _O_BINARY) < 0)
318 LOG_WARNING("cannot change stdin mode to binary");
319 if (_setmode(_fileno(stderr), _O_BINARY) < 0)
320 LOG_WARNING("cannot change stderr mode to binary");
321 #else
322 socket_nonblock(c->fd);
323 #endif
324 } else if (c->type == CONNECTION_PIPE) {
325 #ifdef _WIN32
326 /* we currently do not support named pipes under win32
327 * so exit openocd for now */
328 LOG_ERROR("Named pipes currently not supported under this os");
329 free_service(c);
330 return ERROR_FAIL;
331 #else
332 /* Pipe we're reading from */
333 c->fd = open(c->port, O_RDONLY | O_NONBLOCK);
334 if (c->fd == -1) {
335 LOG_ERROR("could not open %s", c->port);
336 free_service(c);
337 return ERROR_FAIL;
338 }
339 #endif
340 }
341
342 /* add to the end of linked list */
343 for (p = &services; *p; p = &(*p)->next)
344 ;
345 *p = c;
346
347 return ERROR_OK;
348 }
349
350 static void remove_connections(struct service *service)
351 {
352 struct connection *connection;
353
354 connection = service->connections;
355
356 while (connection) {
357 struct connection *tmp;
358
359 tmp = connection->next;
360 remove_connection(service, connection);
361 connection = tmp;
362 }
363 }
364
365 int remove_service(const char *name, const char *port)
366 {
367 struct service *tmp;
368 struct service *prev;
369
370 prev = services;
371
372 for (tmp = services; tmp; prev = tmp, tmp = tmp->next) {
373 if (!strcmp(tmp->name, name) && !strcmp(tmp->port, port)) {
374 remove_connections(tmp);
375
376 if (tmp == services)
377 services = tmp->next;
378 else
379 prev->next = tmp->next;
380
381 if (tmp->type != CONNECTION_STDINOUT)
382 close_socket(tmp->fd);
383
384 free(tmp->priv);
385 free_service(tmp);
386
387 return ERROR_OK;
388 }
389 }
390
391 return ERROR_OK;
392 }
393
394 static int remove_services(void)
395 {
396 struct service *c = services;
397
398 /* loop service */
399 while (c) {
400 struct service *next = c->next;
401
402 remove_connections(c);
403
404 free(c->name);
405
406 if (c->type == CONNECTION_PIPE) {
407 if (c->fd != -1)
408 close(c->fd);
409 }
410 free(c->port);
411 free(c->priv);
412 /* delete service */
413 free(c);
414
415 /* remember the last service for unlinking */
416 c = next;
417 }
418
419 services = NULL;
420
421 return ERROR_OK;
422 }
423
424 void server_keep_clients_alive(void)
425 {
426 for (struct service *s = services; s; s = s->next)
427 if (s->keep_client_alive)
428 for (struct connection *c = s->connections; c; c = c->next)
429 s->keep_client_alive(c);
430 }
431
432 int server_loop(struct command_context *command_context)
433 {
434 struct service *service;
435
436 bool poll_ok = true;
437
438 /* used in select() */
439 fd_set read_fds;
440 int fd_max;
441
442 /* used in accept() */
443 int retval;
444
445 int64_t next_event = timeval_ms() + polling_period;
446
447 #ifndef _WIN32
448 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
449 LOG_ERROR("couldn't set SIGPIPE to SIG_IGN");
450 #endif
451
452 while (shutdown_openocd == CONTINUE_MAIN_LOOP) {
453 /* monitor sockets for activity */
454 fd_max = 0;
455 FD_ZERO(&read_fds);
456
457 /* add service and connection fds to read_fds */
458 for (service = services; service; service = service->next) {
459 if (service->fd != -1) {
460 /* listen for new connections */
461 FD_SET(service->fd, &read_fds);
462
463 if (service->fd > fd_max)
464 fd_max = service->fd;
465 }
466
467 if (service->connections) {
468 struct connection *c;
469
470 for (c = service->connections; c; c = c->next) {
471 /* check for activity on the connection */
472 FD_SET(c->fd, &read_fds);
473 if (c->fd > fd_max)
474 fd_max = c->fd;
475 }
476 }
477 }
478
479 struct timeval tv;
480 tv.tv_sec = 0;
481 if (poll_ok) {
482 /* we're just polling this iteration, this is faster on embedded
483 * hosts */
484 tv.tv_usec = 0;
485 retval = socket_select(fd_max + 1, &read_fds, NULL, NULL, &tv);
486 } else {
487 /* Every 100ms, can be changed with "poll_period" command */
488 int timeout_ms = next_event - timeval_ms();
489 if (timeout_ms < 0)
490 timeout_ms = 0;
491 else if (timeout_ms > polling_period)
492 timeout_ms = polling_period;
493 tv.tv_usec = timeout_ms * 1000;
494 /* Only while we're sleeping we'll let others run */
495 retval = socket_select(fd_max + 1, &read_fds, NULL, NULL, &tv);
496 }
497
498 if (retval == -1) {
499 #ifdef _WIN32
500
501 errno = WSAGetLastError();
502
503 if (errno == WSAEINTR)
504 FD_ZERO(&read_fds);
505 else {
506 LOG_ERROR("error during select: %s", strerror(errno));
507 return ERROR_FAIL;
508 }
509 #else
510
511 if (errno == EINTR)
512 FD_ZERO(&read_fds);
513 else {
514 LOG_ERROR("error during select: %s", strerror(errno));
515 return ERROR_FAIL;
516 }
517 #endif
518 }
519
520 if (retval == 0) {
521 /* We only execute these callbacks when there was nothing to do or we timed
522 *out */
523 target_call_timer_callbacks_now();
524 next_event = target_timer_next_event();
525 process_jim_events(command_context);
526
527 FD_ZERO(&read_fds); /* eCos leaves read_fds unchanged in this case! */
528
529 /* We timed out/there was nothing to do, timeout rather than poll next time
530 **/
531 poll_ok = false;
532 } else {
533 /* There was something to do, next time we'll just poll */
534 poll_ok = true;
535 }
536
537 /* This is a simple back-off algorithm where we immediately
538 * re-poll if we did something this time around.
539 *
540 * This greatly improves performance of DCC.
541 */
542 poll_ok = poll_ok || target_got_message();
543
544 for (service = services; service; service = service->next) {
545 /* handle new connections on listeners */
546 if ((service->fd != -1)
547 && (FD_ISSET(service->fd, &read_fds))) {
548 if (service->max_connections != 0)
549 add_connection(service, command_context);
550 else {
551 if (service->type == CONNECTION_TCP) {
552 struct sockaddr_in sin;
553 socklen_t address_size = sizeof(sin);
554 int tmp_fd;
555 tmp_fd = accept(service->fd,
556 (struct sockaddr *)&service->sin,
557 &address_size);
558 close_socket(tmp_fd);
559 }
560 LOG_INFO(
561 "rejected '%s' connection, no more connections allowed",
562 service->name);
563 }
564 }
565
566 /* handle activity on connections */
567 if (service->connections) {
568 struct connection *c;
569
570 for (c = service->connections; c; ) {
571 if ((c->fd >= 0 && FD_ISSET(c->fd, &read_fds)) || c->input_pending) {
572 retval = service->input(c);
573 if (retval != ERROR_OK) {
574 struct connection *next = c->next;
575 if (service->type == CONNECTION_PIPE ||
576 service->type == CONNECTION_STDINOUT) {
577 /* if connection uses a pipe then
578 * shutdown openocd on error */
579 shutdown_openocd = SHUTDOWN_REQUESTED;
580 }
581 remove_connection(service, c);
582 LOG_INFO("dropped '%s' connection",
583 service->name);
584 c = next;
585 continue;
586 }
587 }
588 c = c->next;
589 }
590 }
591 }
592
593 #ifdef _WIN32
594 MSG msg;
595 while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
596 if (msg.message == WM_QUIT)
597 shutdown_openocd = SHUTDOWN_WITH_SIGNAL_CODE;
598 }
599 #endif
600 }
601
602 /* when quit for signal or CTRL-C, run (eventually user implemented) "shutdown" */
603 if (shutdown_openocd == SHUTDOWN_WITH_SIGNAL_CODE)
604 command_run_line(command_context, "shutdown");
605
606 return shutdown_openocd == SHUTDOWN_WITH_ERROR_CODE ? ERROR_FAIL : ERROR_OK;
607 }
608
609 static void sig_handler(int sig)
610 {
611 /* store only first signal that hits us */
612 if (shutdown_openocd == CONTINUE_MAIN_LOOP) {
613 shutdown_openocd = SHUTDOWN_WITH_SIGNAL_CODE;
614 last_signal = sig;
615 LOG_DEBUG("Terminating on Signal %d", sig);
616 } else
617 LOG_DEBUG("Ignored extra Signal %d", sig);
618 }
619
620
621 #ifdef _WIN32
622 BOOL WINAPI control_handler(DWORD ctrl_type)
623 {
624 shutdown_openocd = SHUTDOWN_WITH_SIGNAL_CODE;
625 return TRUE;
626 }
627 #else
628 static void sigkey_handler(int sig)
629 {
630 /* ignore keystroke generated signals if not in foreground process group */
631
632 if (tcgetpgrp(STDIN_FILENO) > 0)
633 sig_handler(sig);
634 else
635 LOG_DEBUG("Ignored Signal %d", sig);
636 }
637 #endif
638
639
640 int server_host_os_entry(void)
641 {
642 /* this currently only calls WSAStartup on native win32 systems
643 * before any socket operations are performed.
644 * This is an issue if you call init in your config script */
645
646 #ifdef _WIN32
647 WORD version_requested;
648 WSADATA wsadata;
649
650 version_requested = MAKEWORD(2, 2);
651
652 if (WSAStartup(version_requested, &wsadata) != 0) {
653 LOG_ERROR("Failed to Open Winsock");
654 return ERROR_FAIL;
655 }
656 #endif
657 return ERROR_OK;
658 }
659
660 int server_host_os_close(void)
661 {
662 #ifdef _WIN32
663 WSACleanup();
664 #endif
665 return ERROR_OK;
666 }
667
668 int server_preinit(void)
669 {
670 #ifdef _WIN32
671 /* register ctrl-c handler */
672 SetConsoleCtrlHandler(control_handler, TRUE);
673
674 signal(SIGBREAK, sig_handler);
675 signal(SIGINT, sig_handler);
676 #else
677 signal(SIGHUP, sig_handler);
678 signal(SIGPIPE, sig_handler);
679 signal(SIGQUIT, sigkey_handler);
680 signal(SIGINT, sigkey_handler);
681 #endif
682 signal(SIGTERM, sig_handler);
683 signal(SIGABRT, sig_handler);
684
685 return ERROR_OK;
686 }
687
688 int server_init(struct command_context *cmd_ctx)
689 {
690 int ret = tcl_init();
691
692 if (ret != ERROR_OK)
693 return ret;
694
695 ret = telnet_init("Open On-Chip Debugger");
696
697 if (ret != ERROR_OK) {
698 remove_services();
699 return ret;
700 }
701
702 return ERROR_OK;
703 }
704
705 int server_quit(void)
706 {
707 remove_services();
708 target_quit();
709
710 #ifdef _WIN32
711 SetConsoleCtrlHandler(control_handler, FALSE);
712
713 return ERROR_OK;
714 #endif
715
716 /* return signal number so we can kill ourselves */
717 return last_signal;
718 }
719
720 void server_free(void)
721 {
722 tcl_service_free();
723 telnet_service_free();
724 jsp_service_free();
725
726 free(bindto_name);
727 }
728
729 void exit_on_signal(int sig)
730 {
731 #ifndef _WIN32
732 /* bring back default system handler and kill yourself */
733 signal(sig, SIG_DFL);
734 kill(getpid(), sig);
735 #endif
736 }
737
738 int connection_write(struct connection *connection, const void *data, int len)
739 {
740 if (len == 0) {
741 /* successful no-op. Sockets and pipes behave differently here... */
742 return 0;
743 }
744 if (connection->service->type == CONNECTION_TCP)
745 return write_socket(connection->fd_out, data, len);
746 else
747 return write(connection->fd_out, data, len);
748 }
749
750 int connection_read(struct connection *connection, void *data, int len)
751 {
752 if (connection->service->type == CONNECTION_TCP)
753 return read_socket(connection->fd, data, len);
754 else
755 return read(connection->fd, data, len);
756 }
757
758 /* tell the server we want to shut down */
759 COMMAND_HANDLER(handle_shutdown_command)
760 {
761 LOG_USER("shutdown command invoked");
762
763 shutdown_openocd = SHUTDOWN_REQUESTED;
764
765 if (CMD_ARGC == 1) {
766 if (!strcmp(CMD_ARGV[0], "error")) {
767 shutdown_openocd = SHUTDOWN_WITH_ERROR_CODE;
768 return ERROR_FAIL;
769 }
770 }
771
772 return ERROR_COMMAND_CLOSE_CONNECTION;
773 }
774
775 COMMAND_HANDLER(handle_poll_period_command)
776 {
777 if (CMD_ARGC == 0)
778 LOG_WARNING("You need to set a period value");
779 else
780 COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], polling_period);
781
782 LOG_INFO("set servers polling period to %ums", polling_period);
783
784 return ERROR_OK;
785 }
786
787 COMMAND_HANDLER(handle_bindto_command)
788 {
789 switch (CMD_ARGC) {
790 case 0:
791 command_print(CMD, "bindto name: %s", bindto_name);
792 break;
793 case 1:
794 free(bindto_name);
795 bindto_name = strdup(CMD_ARGV[0]);
796 break;
797 default:
798 return ERROR_COMMAND_SYNTAX_ERROR;
799 }
800 return ERROR_OK;
801 }
802
803 static const struct command_registration server_command_handlers[] = {
804 {
805 .name = "shutdown",
806 .handler = &handle_shutdown_command,
807 .mode = COMMAND_ANY,
808 .usage = "",
809 .help = "shut the server down",
810 },
811 {
812 .name = "poll_period",
813 .handler = &handle_poll_period_command,
814 .mode = COMMAND_ANY,
815 .usage = "",
816 .help = "set the servers polling period",
817 },
818 {
819 .name = "bindto",
820 .handler = &handle_bindto_command,
821 .mode = COMMAND_CONFIG,
822 .usage = "[name]",
823 .help = "Specify address by name on which to listen for "
824 "incoming TCP/IP connections",
825 },
826 COMMAND_REGISTRATION_DONE
827 };
828
829 int server_register_commands(struct command_context *cmd_ctx)
830 {
831 int retval = telnet_register_commands(cmd_ctx);
832 if (retval != ERROR_OK)
833 return retval;
834
835 retval = tcl_register_commands(cmd_ctx);
836 if (retval != ERROR_OK)
837 return retval;
838
839 retval = jsp_register_commands(cmd_ctx);
840 if (retval != ERROR_OK)
841 return retval;
842
843 return register_commands(cmd_ctx, NULL, server_command_handlers);
844 }
845
846 COMMAND_HELPER(server_port_command, unsigned short *out)
847 {
848 switch (CMD_ARGC) {
849 case 0:
850 command_print(CMD, "%d", *out);
851 break;
852 case 1:
853 {
854 uint16_t port;
855 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], port);
856 *out = port;
857 break;
858 }
859 default:
860 return ERROR_COMMAND_SYNTAX_ERROR;
861 }
862 return ERROR_OK;
863 }
864
865 COMMAND_HELPER(server_pipe_command, char **out)
866 {
867 switch (CMD_ARGC) {
868 case 0:
869 command_print(CMD, "%s", *out);
870 break;
871 case 1:
872 {
873 if (CMD_CTX->mode == COMMAND_EXEC) {
874 LOG_WARNING("unable to change server port after init");
875 return ERROR_COMMAND_ARGUMENT_INVALID;
876 }
877 free(*out);
878 *out = strdup(CMD_ARGV[0]);
879 break;
880 }
881 default:
882 return ERROR_COMMAND_SYNTAX_ERROR;
883 }
884 return ERROR_OK;
885 }
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