2 Unix SMB/Netbios implementation.
4 program to send control messages to Samba processes
5 Copyright (C) Andrew Tridgell 1994-1998
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 {"force-election", MSG_FORCE_ELECTION},
31 {"profile", MSG_PROFILE},
32 {"profilelevel", MSG_REQ_PROFILELEVEL},
33 {"debuglevel", MSG_REQ_DEBUGLEVEL},
34 {"printer-notify", MSG_PRINTER_NOTIFY},
42 static void usage(BOOL doexit)
46 printf("Usage: smbcontrol -i\n");
47 printf(" smbcontrol <destination> <message-type> <parameters>\n\n");
49 printf("<destination> <message-type> <parameters>\n\n");
51 printf("\t<destination> is one of \"nmbd\", \"smbd\" or a process ID\n");
52 printf("\t<message-type> is one of: ");
53 for (i=0; msg_types[i].name; i++)
54 printf("%s%s", i?", ":"",msg_types[i].name);
59 static int pong_count;
60 static BOOL got_level;
61 static BOOL pong_registered = False;
62 static BOOL debuglevel_registered = False;
63 static BOOL profilelevel_registered = False;
66 /****************************************************************************
67 a useful function for testing the message system
68 ****************************************************************************/
69 void pong_function(int msg_type, pid_t src, void *buf, size_t len)
72 printf("PONG from PID %d\n",src);
75 /****************************************************************************
76 Prints out the current Debug level returned by MSG_DEBUGLEVEL
77 ****************************************************************************/
78 void debuglevel_function(int msg_type, pid_t src, void *buf, size_t len)
81 memcpy(&level, buf, sizeof(int));
83 printf("Current debug level of PID %d is %d\n",src,level);
87 /****************************************************************************
88 Prints out the current Profile level returned by MSG_PROFILELEVEL
89 ****************************************************************************/
90 void profilelevel_function(int msg_type, pid_t src, void *buf, size_t len)
94 memcpy(&level, buf, sizeof(int));
105 s = "count and time";
108 printf("Profiling %s on PID %d\n",s,src);
110 printf("Profiling not available on PID %d\n",src);
115 /****************************************************************************
116 send a message to a named destination
117 ****************************************************************************/
118 static BOOL send_message(char *dest, int msg_type, void *buf, int len, BOOL duplicates)
122 /* "smbd" is the only broadcast operation */
123 if (strequal(dest,"smbd")) {
124 return message_send_all(msg_type, buf, len, duplicates);
125 } else if (strequal(dest,"nmbd")) {
126 pid = pidfile_pid(dest);
128 fprintf(stderr,"Can't find pid for nmbd\n");
131 } else if (strequal(dest,"self")) {
136 fprintf(stderr,"Not a valid pid\n");
141 return message_send_pid(pid, msg_type, buf, len, duplicates);
144 /****************************************************************************
145 evaluate a message type string
146 ****************************************************************************/
147 static int parse_type(char *mtype)
150 for (i=0;msg_types[i].name;i++) {
151 if (strequal(mtype, msg_types[i].name)) return msg_types[i].value;
157 /****************************************************************************
159 ****************************************************************************/
160 static BOOL do_command(char *dest, char *msg_name, char *params)
166 mtype = parse_type(msg_name);
168 fprintf(stderr,"Couldn't resolve message type: %s\n", msg_name);
175 fprintf(stderr,"MSG_DEBUG needs a parameter\n");
179 send_message(dest, MSG_DEBUG, &v, sizeof(int), False);
184 fprintf(stderr,"MSG_PROFILE needs a parameter\n");
187 if (strequal(params, "off")) {
189 } else if (strequal(params, "count")) {
191 } else if (strequal(params, "on")) {
193 } else if (strequal(params, "flush")) {
197 "MSG_PROFILE parameter must be off, count, on, or flush\n");
200 send_message(dest, MSG_PROFILE, &v, sizeof(int), False);
203 case MSG_FORCE_ELECTION:
204 if (!strequal(dest, "nmbd")) {
205 fprintf(stderr,"force-election can only be sent to nmbd\n");
208 send_message(dest, MSG_FORCE_ELECTION, NULL, 0, False);
211 case MSG_REQ_PROFILELEVEL:
212 if (!profilelevel_registered) {
213 message_register(MSG_PROFILELEVEL, profilelevel_function);
214 profilelevel_registered = True;
217 retval = send_message(dest, MSG_REQ_PROFILELEVEL, NULL, 0, True);
219 timeout_start = time(NULL);
222 if ((time(NULL) - timeout_start) > MAX_WAIT) {
223 fprintf(stderr,"profilelevel timeout\n");
230 case MSG_REQ_DEBUGLEVEL:
231 if (!debuglevel_registered) {
232 message_register(MSG_DEBUGLEVEL, debuglevel_function);
233 debuglevel_registered = True;
236 retval = send_message(dest, MSG_REQ_DEBUGLEVEL, NULL, 0, True);
238 timeout_start = time(NULL);
241 if ((time(NULL) - timeout_start) > MAX_WAIT) {
242 fprintf(stderr,"debuglevel timeout\n");
249 case MSG_PRINTER_NOTIFY:
250 if (!strequal(dest, "smbd")) {
251 fprintf(stderr,"printer-notify can only be sent to smbd\n");
255 fprintf(stderr, "printer-notify needs a printer name\n");
258 retval = send_message(dest, MSG_PRINTER_NOTIFY, params,
259 strlen(params) + 1, False);
263 if (!pong_registered) {
264 message_register(MSG_PONG, pong_function);
265 pong_registered = True;
268 fprintf(stderr,"MSG_PING needs a parameter\n");
274 retval = send_message(dest, MSG_PING, NULL, 0, True);
275 if (retval == False) break;
278 timeout_start = time(NULL);
279 while (pong_count < n) {
281 if ((time(NULL) - timeout_start) > MAX_WAIT) {
282 fprintf(stderr,"PING timeout\n");
294 int main(int argc, char *argv[])
299 pstring servicesf = CONFIGFILE;
300 BOOL interactive = False;
303 setup_logging(argv[0],True);
305 charset_initialise();
306 lp_load(servicesf,False,False,False);
308 if (!message_init()) exit(1);
310 if (argc < 2) usage(True);
312 while ((opt = getopt(argc, argv,"i")) != EOF) {
318 printf("Unknown option %c (%d)\n", (char)opt, opt);
324 argv = &argv[optind];
327 if (argc < 2) usage(True);
328 return (do_command(argv[0],argv[1],argc > 2 ? argv[2] : 0));
335 printf("smbcontrol> ");
336 if (!fgets(temp, sizeof(temp)-1, stdin)) break;
338 while ((myargc < 3) &&
339 (myargv[myargc] = strtok(myargc?NULL:temp," \t\n"))) {
343 if (strequal(myargv[0],"q")) break;
346 else if (!do_command(myargv[0],myargv[1],myargc > 2 ? myargv[2] : 0))