1 files changed, 90 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/fuchsia/net_test_server.py b/third_party/libwebrtc/build/fuchsia/net_test_server.py
new file mode 100644
index 0000000000..56005cf12c
--- /dev/null
+++ b/third_party/libwebrtc/build/fuchsia/net_test_server.py
@@ -0,0 +1,90 @@
+# Copyright 2018 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import common
+import json
+import logging
+import os
+import re
+import socket
+import sys
+import subprocess
+import tempfile
+
+DIR_SOURCE_ROOT = os.path.abspath(
+    os.path.join(os.path.dirname(__file__), os.pardir, os.pardir))
+sys.path.append(os.path.join(DIR_SOURCE_ROOT, 'build', 'util', 'lib', 'common'))
+import chrome_test_server_spawner
+
+
+# Implementation of chrome_test_server_spawner.PortForwarder that uses SSH's
+# remote port forwarding feature to forward ports.
+class SSHPortForwarder(chrome_test_server_spawner.PortForwarder):
+  def __init__(self, target):
+    self._target = target
+
+    # Maps the host (server) port to the device port number.
+    self._port_mapping = {}
+
+  def Map(self, port_pairs):
+    for p in port_pairs:
+      _, host_port = p
+      self._port_mapping[host_port] = \
+          common.ConnectPortForwardingTask(self._target, host_port)
+
+  def GetDevicePortForHostPort(self, host_port):
+    return self._port_mapping[host_port]
+
+  def Unmap(self, device_port):
+    for host_port, entry in self._port_mapping.iteritems():
+      if entry == device_port:
+        forwarding_args = [
+            '-NT', '-O', 'cancel', '-R', '0:localhost:%d' % host_port]
+        task = self._target.RunCommandPiped([],
+                                            ssh_args=forwarding_args,
+                                            stdout=open(os.devnull, 'w'),
+                                            stderr=subprocess.PIPE)
+        task.wait()
+        if task.returncode != 0:
+          raise Exception(
+              'Error %d when unmapping port %d' % (task.returncode,
+                                                   device_port))
+        del self._port_mapping[host_port]
+        return
+
+    raise Exception('Unmap called for unknown port: %d' % device_port)
+
+
+def SetupTestServer(target, test_concurrency, for_package, for_realms=[]):
+  """Provisions a forwarding test server and configures |target| to use it.
+
+  Returns a Popen object for the test server process."""
+
+  logging.debug('Starting test server.')
+  # The TestLauncher can launch more jobs than the limit specified with
+  # --test-launcher-jobs so the max number of spawned test servers is set to
+  # twice that limit here. See https://crbug.com/913156#c19.
+  spawning_server = chrome_test_server_spawner.SpawningServer(
+      0, SSHPortForwarder(target), test_concurrency * 2)
+  forwarded_port = common.ConnectPortForwardingTask(
+      target, spawning_server.server_port)
+  spawning_server.Start()
+
+  logging.debug('Test server listening for connections (port=%d)' %
+                spawning_server.server_port)
+  logging.debug('Forwarded port is %d' % forwarded_port)
+
+  config_file = tempfile.NamedTemporaryFile(delete=True)
+
+  config_file.write(json.dumps({
+    'spawner_url_base': 'http://localhost:%d' % forwarded_port
+  }))
+
+  config_file.flush()
+  target.PutFile(config_file.name,
+                 '/tmp/net-test-server-config',
+                 for_package=for_package,
+                 for_realms=for_realms)
+
+  return spawning_server