def _UpdateDevToolsClient(self):
if self._devtools_client is None:
self._app_backend.platform_backend.ForwardHostToDevice(
self._local_port, self._remote_devtools_port)
if devtools_client_backend.IsDevToolsAgentAvailable(self._local_port):
self._devtools_client = devtools_client_backend.DevToolsClientBackend(
self._local_port, self._remote_devtools_port, self._app_backend)
def _InitDevtoolsClientBackend(self, remote_devtools_port=None):
""" Initiate the devtool client backend which allow browser connection
through browser' devtool.
Args:
remote_devtools_port: The remote devtools port, if
any. Otherwise assumed to be the same as self._port.
"""
assert not self._devtools_client, (
'Devtool client backend cannot be init twice')
self._devtools_client = devtools_client_backend.DevToolsClientBackend(
self._port, remote_devtools_port or self._port, self)
def _UpdateDevToolsClient(self):
if self._devtools_client is None:
platform_backend = self._app_backend.platform_backend
self._forwarder = platform_backend.forwarder_factory.Create(
forwarders.PortPair(0, self._remote_devtools_port),
reverse=True)
devtools_port = self._forwarder.port_pair.local_port
if devtools_client_backend.IsDevToolsAgentAvailable(
devtools_port, None, self._app_backend):
self._devtools_client = devtools_client_backend.DevToolsClientBackend(
devtools_port, None, self._remote_devtools_port,
self._app_backend)
def _WaitForBrowserToComeUp(self, remote_devtools_port=None):
""" Wait for browser to come up.
Args:
remote_devtools_port: The remote devtools port, if
any. Otherwise assumed to be the same as self._port.
"""
try:
timeout = self.browser_options.browser_startup_timeout
py_utils.WaitFor(self.HasBrowserFinishedLaunching, timeout=timeout)
except (py_utils.TimeoutException,
exceptions.ProcessGoneException) as e:
if not self.IsBrowserRunning():
raise exceptions.BrowserGoneException(self.browser, e)
raise exceptions.BrowserConnectionGoneException(self.browser, e)
self._devtools_client = devtools_client_backend.DevToolsClientBackend(
self._port, self._browser_target, remote_devtools_port
or self._port, self)
def _WaitForBrowserToComeUp(self, remote_devtools_port=None):
""" Wait for browser to come up.
Args:
remote_devtools_port: The remote devtools port, if
any. Otherwise assumed to be the same as self._port.
"""
if self._devtools_client:
# In case we are launching a second browser instance (as is done by
# the CrOS backend), ensure that the old devtools_client is closed,
# otherwise re-creating it will fail.
self._devtools_client.Close()
self._devtools_client = None
try:
timeout = self.browser_options.browser_startup_timeout
py_utils.WaitFor(self.HasBrowserFinishedLaunching, timeout=timeout)
except (py_utils.TimeoutException, exceptions.ProcessGoneException) as e:
if not self.IsBrowserRunning():
raise exceptions.BrowserGoneException(self.browser, e)
raise exceptions.BrowserConnectionGoneException(self.browser, e)
self._devtools_client = devtools_client_backend.DevToolsClientBackend(
self._port, self._browser_target,
remote_devtools_port or self._port, self)
