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s4 messaging: Add support for smbcontrol sleep

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Add a sleep command that pauses the target process for the specified
number of seconds

This command is only enabled on developer and self test builds.

Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Gary Lockyer 2018-12-11 11:43:52 +13:00 committed by Andrew Bartlett
parent a70deab0fb
commit b3e4e09426
2 changed files with 33 additions and 2 deletions
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2
selftest/knownfail.d/smbcontrol
View File

@ -1,2 +0,0 @@
^samba.tests.blackbox.smbcontrol_process.samba.tests.blackbox.smbcontrol_process.SmbcontrolProcessBlockboxTests.test_sleep\(preforkrestartdc:local\)
^samba.tests.blackbox.smbcontrol_process.python3.samba.tests.blackbox.smbcontrol_process.SmbcontrolProcessBlockboxTests.test_sleep\(preforkrestartdc:local\)

33
source4/lib/messaging/messaging_handlers.c
View File

@ -69,6 +69,34 @@ static void do_inject_fault(struct imessaging_context *msg,
kill(getpid(), sig);
}
/*
* Cause the current process to sleep for a specified number of seconds
*/
static void do_sleep(struct imessaging_context *msg,
void *private_data,
uint32_t msg_type,
struct server_id src,
DATA_BLOB *data)
{
unsigned int seconds;
struct server_id_buf tmp;
if (data->length != sizeof(seconds)) {
DBG_ERR("Process %s sent bogus sleep request\n",
server_id_str_buf(src, &tmp));
return;
}
seconds = *(unsigned int *)data->data;
DBG_ERR("Process %s requested a sleep of %u seconds\n",
server_id_str_buf(src, &tmp),
seconds);
sleep(seconds);
DBG_ERR("Restarting after %u second sleep requested by process %s\n",
seconds,
server_id_str_buf(src, &tmp));
}
/*
* Register the extra messaging handlers
*/
@ -82,6 +110,11 @@ NTSTATUS imessaging_register_extra_handlers(struct imessaging_context *msg)
return status;
}
status = imessaging_register(msg, NULL, MSG_SMB_SLEEP, do_sleep);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return NT_STATUS_OK;
}