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apache--tvm/python/tvm/exec/rpc_proxy.py
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chore: import upstream snapshot with attribution
2026-07-13 13:36:25 +08:00

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Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# pylint: disable=redefined-outer-name, invalid-name
"""RPC web proxy, allows redirect to websocket based RPC servers(browsers)"""
import argparse
import glob
import logging
import os
from tvm.rpc.proxy import Proxy
def find_example_resource():
"""Find resource examples."""
curr_path = os.path.dirname(os.path.realpath(os.path.expanduser(__file__)))
base_path = os.path.abspath(os.path.join(curr_path, "..", "..", ".."))
index_page = os.path.join(base_path, "web", "apps", "browser", "rpc_server.html")
default_plugin_page = os.path.join(base_path, "web", "apps", "browser", "rpc_plugin.html")
resource_files = [
("/", os.path.join(base_path, "web", "dist", "tvmjs.bundle.js")),
("/", os.path.join(base_path, "web", "dist", "wasm", "tvmjs_runtime.wasi.js")),
("/", index_page),
]
allow_format = ("json", "bin", "js", "wasm", "html", "css", "model")
# recursively apend things in www, up to two levels
resource_bases = [
os.path.join(base_path, "web", "dist", "www"),
os.path.join(base_path, "web", ".tensor_cache"),
]
for base in resource_bases:
if not os.path.isdir(base):
continue
for full_name in glob.glob(f"{base}/**", recursive=True):
fname = os.path.relpath(full_name, base)
dirname = os.path.dirname(fname)
fmt = fname.rsplit(".", 1)[-1]
if os.path.isfile(full_name) and fmt in allow_format:
resource_files.append((dirname, full_name))
for item in resource_files:
fname = item[-1]
if not os.path.exists(fname):
raise RuntimeError(f"Cannot find {fname}")
if not any(item[-1].endswith("rpc_plugin.html") for item in resource_files):
resource_files.append(("/", default_plugin_page))
return index_page, resource_files
def main(args):
"""Main function"""
if args.tracker:
url, port = args.tracker.split(":")
port = int(port)
tracker_addr = (url, port)
else:
tracker_addr = None
if args.example_rpc:
index, js_files = find_example_resource()
prox = Proxy(
args.host,
port=args.port,
port_end=args.port_end,
web_port=args.web_port,
index_page=index,
resource_files=js_files,
tracker_addr=tracker_addr,
)
else:
prox = Proxy(
args.host,
port=args.port,
port_end=args.port_end,
web_port=args.web_port,
tracker_addr=tracker_addr,
)
prox.proc.join()
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--host", type=str, default="127.0.0.1", help="the hostname of the server")
parser.add_argument("--port", type=int, default=9090, help="The port of the RPC")
parser.add_argument("--port-end", type=int, default=9199, help="The end search port of the RPC")
parser.add_argument(
"--web-port", type=int, default=8888, help="The port of the http/websocket server"
)
parser.add_argument(
"--example-rpc", type=bool, default=False, help="Whether to switch on example rpc mode"
)
parser.add_argument("--tracker", type=str, default="", help="Report to RPC tracker")
args = parser.parse_args()
logging.basicConfig(level=logging.INFO)
main(args)