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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/build/fuchsia/common.py | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/build/fuchsia/common.py')
-rw-r--r-- | third_party/libwebrtc/build/fuchsia/common.py | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/fuchsia/common.py b/third_party/libwebrtc/build/fuchsia/common.py new file mode 100644 index 0000000000..99ced81ee9 --- /dev/null +++ b/third_party/libwebrtc/build/fuchsia/common.py @@ -0,0 +1,140 @@ +# 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 logging +import os +import platform +import signal +import socket +import subprocess +import sys +import time +import threading + +DIR_SOURCE_ROOT = os.path.abspath( + os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)) +IMAGES_ROOT = os.path.join( + DIR_SOURCE_ROOT, 'third_party', 'fuchsia-sdk', 'images') +SDK_ROOT = os.path.join(DIR_SOURCE_ROOT, 'third_party', 'fuchsia-sdk', 'sdk') + +def EnsurePathExists(path): + """Checks that the file |path| exists on the filesystem and returns the path + if it does, raising an exception otherwise.""" + + if not os.path.exists(path): + raise IOError('Missing file: ' + path) + + return path + +def GetHostOsFromPlatform(): + host_platform = sys.platform + if host_platform.startswith('linux'): + return 'linux' + elif host_platform.startswith('darwin'): + return 'mac' + raise Exception('Unsupported host platform: %s' % host_platform) + +def GetHostArchFromPlatform(): + host_arch = platform.machine() + if host_arch == 'x86_64': + return 'x64' + elif host_arch == 'aarch64': + return 'arm64' + raise Exception('Unsupported host architecture: %s' % host_arch) + +def GetHostToolPathFromPlatform(tool): + host_arch = platform.machine() + return os.path.join(SDK_ROOT, 'tools', GetHostArchFromPlatform(), tool) + + +def GetEmuRootForPlatform(emulator): + return os.path.join( + DIR_SOURCE_ROOT, 'third_party', '{0}-{1}-{2}'.format( + emulator, GetHostOsFromPlatform(), GetHostArchFromPlatform())) + + +def ConnectPortForwardingTask(target, local_port, remote_port = 0): + """Establishes a port forwarding SSH task to a localhost TCP endpoint hosted + at port |local_port|. Blocks until port forwarding is established. + + Returns the remote port number.""" + + forwarding_flags = ['-O', 'forward', # Send SSH mux control signal. + '-R', '%d:localhost:%d' % (remote_port, local_port), + '-v', # Get forwarded port info from stderr. + '-NT'] # Don't execute command; don't allocate terminal. + + if remote_port != 0: + # Forward to a known remote port. + task = target.RunCommand([], ssh_args=forwarding_flags) + if task.returncode != 0: + raise Exception('Could not establish a port forwarding connection.') + return + + task = target.RunCommandPiped([], + ssh_args=forwarding_flags, + stdout=subprocess.PIPE, + stderr=open('/dev/null')) + output = task.stdout.readlines() + task.wait() + if task.returncode != 0: + raise Exception('Got an error code when requesting port forwarding: %d' % + task.returncode) + + parsed_port = int(output[0].strip()) + logging.debug('Port forwarding established (local=%d, device=%d)' % + (local_port, parsed_port)) + return parsed_port + + +def GetAvailableTcpPort(): + """Finds a (probably) open port by opening and closing a listen socket.""" + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + sock.bind(("", 0)) + port = sock.getsockname()[1] + sock.close() + return port + + +def SubprocessCallWithTimeout(command, silent=False, timeout_secs=None): + """Helper function for running a command. + + Args: + command: The command to run. + silent: If true, stdout and stderr of the command will not be printed. + timeout_secs: Maximum amount of time allowed for the command to finish. + + Returns: + A tuple of (return code, stdout, stderr) of the command. Raises + an exception if the subprocess times out. + """ + + if silent: + devnull = open(os.devnull, 'w') + process = subprocess.Popen(command, stdout=devnull, stderr=devnull) + else: + process = subprocess.Popen(command, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + timeout_timer = None + if timeout_secs: + + def interrupt_process(): + process.send_signal(signal.SIGKILL) + + timeout_timer = threading.Timer(timeout_secs, interrupt_process) + + # Ensure that keyboard interrupts are handled properly (crbug/1198113). + timeout_timer.daemon = True + + timeout_timer.start() + + out, err = process.communicate() + if timeout_timer: + timeout_timer.cancel() + + if process.returncode == -9: + raise Exception('Timeout when executing \"%s\".' % ' '.join(command)) + + return process.returncode, out, err |