chardev: forbid 'wait' option with client sockets

The 'wait'/'nowait' parameter is used to tell server sockets whether to
block until a client is accepted during initialization. Client chardevs
have always silently ignored this option. Various tests were mistakenly
passing this option for their client chardevs.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20190211182442.8542-6-berrange@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2019-02-11 18:24:31 +00:00 committed by Marc-André Lureau
parent 4a0582f656
commit 767abe7f49
4 changed files with 16 additions and 6 deletions

View File

@ -1047,6 +1047,12 @@ static bool qmp_chardev_validate_socket(ChardevSocket *sock,
error_setg(errp, "%s", "Websocket client is not implemented");
return false;
}
if (sock->has_wait) {
error_setg(errp, "%s",
"'wait' option is incompatible with "
"socket in client connect mode");
return false;
}
}
return true;
@ -1220,7 +1226,11 @@ static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
sock->tn3270 = is_tn3270;
sock->has_websocket = true;
sock->websocket = is_websock;
sock->has_wait = true;
/*
* We have different default to QMP for 'wait' when 'server'
* is set, hence we can't just check for existence of 'wait'
*/
sock->has_wait = qemu_opt_find(opts, "wait") || is_listen;
sock->wait = is_waitconnect;
sock->has_reconnect = qemu_opt_find(opts, "reconnect");
sock->reconnect = reconnect;

View File

@ -295,7 +295,7 @@ static void setup_vm_with_server(IVState *s, int nvectors)
{
char *cmd;
cmd = g_strdup_printf("-chardev socket,id=chr0,path=%s,nowait "
cmd = g_strdup_printf("-chardev socket,id=chr0,path=%s "
"-device ivshmem-doorbell,chardev=chr0,vectors=%d",
tmpserver, nvectors);

View File

@ -232,9 +232,9 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
qtest_add_abrt_handler(kill_qemu_hook_func, s);
command = g_strdup_printf("exec %s "
"-qtest unix:%s,nowait "
"-qtest unix:%s "
"-qtest-log %s "
"-chardev socket,path=%s,nowait,id=char0 "
"-chardev socket,path=%s,id=char0 "
"-mon chardev=char0,mode=control "
"-machine accel=qtest "
"-display none "

View File

@ -96,7 +96,7 @@ static void test_redirector_tx(void)
"-device %s,netdev=qtest-bn0,id=qtest-e0 "
"-chardev socket,id=redirector0,path=%s,server,nowait "
"-chardev socket,id=redirector1,path=%s,server,nowait "
"-chardev socket,id=redirector2,path=%s,nowait "
"-chardev socket,id=redirector2,path=%s "
"-object filter-redirector,id=qtest-f0,netdev=qtest-bn0,"
"queue=tx,outdev=redirector0 "
"-object filter-redirector,id=qtest-f1,netdev=qtest-bn0,"
@ -166,7 +166,7 @@ static void test_redirector_rx(void)
"-device %s,netdev=qtest-bn0,id=qtest-e0 "
"-chardev socket,id=redirector0,path=%s,server,nowait "
"-chardev socket,id=redirector1,path=%s,server,nowait "
"-chardev socket,id=redirector2,path=%s,nowait "
"-chardev socket,id=redirector2,path=%s "
"-object filter-redirector,id=qtest-f0,netdev=qtest-bn0,"
"queue=rx,indev=redirector0 "
"-object filter-redirector,id=qtest-f1,netdev=qtest-bn0,"