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Implement TAKEOWNERSHIP command

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This commit is contained in:
Robert Ransom 2011-05-19 16:34:40 -07:00
parent 338a026610
commit bb860cedb2
2 changed files with 46 additions and 1 deletions
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44
src/or/control.c
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@ -1230,6 +1230,26 @@ handle_control_signal(control_connection_t *conn, uint32_t len,
return 0;
}
/** Called when we get a TAKEOWNERSHIP command. Mark this connection
* as an owning connection, so that we will exit if the connection
* closes. */
static int
handle_control_takeownership(control_connection_t *conn, uint32_t len,
const char *body)
{
(void)len;
(void)body;
conn->is_owning_control_connection = 1;
log_info(LD_CONTROL, "Control connection %d has taken ownership of this "
"Tor instance.",
(int)(conn->_base.s));
send_control_done(conn);
return 0;
}
/** Called when we get a MAPADDRESS command; try to bind all listed addresses,
* and report success or failure. */
static int
@ -2747,6 +2767,25 @@ connection_control_closed(control_connection_t *conn)
conn->event_mask = 0;
control_update_global_event_mask();
if (conn->is_owning_control_connection) {
int shutdown_slowly = server_mode(get_options());
log_notice(LD_CONTROL, "Owning controller connection has closed -- %s.",
shutdown_slowly ? "shutting down" : "exiting now");
/* XXXX This chunk of code should be a separate function, called
* here, in owning_controller_procmon_cb, and by
* process_signal(SIGINT). */
if (!shutdown_slowly) {
tor_cleanup();
exit(0);
}
/* XXXX This will close all listening sockets except control-port
* listeners. Perhaps we should close those too. */
hibernate_begin_shutdown();
}
}
/** Return true iff <b>cmd</b> is allowable (or at least forgivable) at this
@ -2932,6 +2971,9 @@ connection_control_process_inbuf(control_connection_t *conn)
} else if (!strcasecmp(conn->incoming_cmd, "SIGNAL")) {
if (handle_control_signal(conn, cmd_data_len, args))
return -1;
} else if (!strcasecmp(conn->incoming_cmd, "TAKEOWNERSHIP")) {
if (handle_control_takeownership(conn, cmd_data_len, args))
return -1;
} else if (!strcasecmp(conn->incoming_cmd, "MAPADDRESS")) {
if (handle_control_mapaddress(conn, cmd_data_len, args))
return -1;
@ -3816,7 +3858,7 @@ owning_controller_procmon_cb(void *unused)
shutdown_slowly ? "shutting down" : "exiting now");
/* XXXX This chunk of code should be a separate function, called
* here and by process_signal(SIGINT). */
* here, in connection_control_closed, and by process_signal(SIGINT). */
if (!shutdown_slowly) {
tor_cleanup();

3
src/or/or.h
View File

@ -1242,6 +1242,9 @@ typedef struct control_connection_t {
/** True if we have sent a protocolinfo reply on this connection. */
unsigned int have_sent_protocolinfo:1;
/** True if we have received a takeownership command on this
* connection. */
unsigned int is_owning_control_connection:1;
/** Amount of space allocated in incoming_cmd. */
uint32_t incoming_cmd_len;