2025-07-01
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"""
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Copyright (C) 2023 Adobe.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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# file: network/callback.py
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# brief: Callback interface for async operations
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# author Adobe - 3D & Immersive
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# copyright 2023 Adobe Inc. All rights reserved.
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class SRE_CallbackInterface():
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def execute(self, message):
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pass
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@@ -0,0 +1,106 @@
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"""
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Copyright (C) 2023 Adobe.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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# file: network/client.py
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# brief: Client requests
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# author Adobe - 3D & Immersive
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# copyright 2023 Adobe Inc. All rights reserved.
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import traceback
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import socket
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import threading
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import json
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from time import sleep
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from ..utils import SUBSTANCE_Utils
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from ..common import (
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Code_Response,
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SRE_HOST,
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SRE_PORT,
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CLIENT_THREAD_THROTTLE_MS,
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CLIENT_BUFFER_SIZE
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)
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class SRE_Client():
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def __init__(self):
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self.next_thread_start = SUBSTANCE_Utils.get_current_time_in_ms() + CLIENT_THREAD_THROTTLE_MS
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def async_request(self, endpoint, op, data={}):
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_throttle_ms = 0
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_current_ms = SUBSTANCE_Utils.get_current_time_in_ms()
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if _current_ms > self.next_thread_start:
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self.next_thread_start = _current_ms + CLIENT_THREAD_THROTTLE_MS
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else:
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_throttle_ms = self.next_thread_start - _current_ms
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self.next_thread_start = self.next_thread_start + CLIENT_THREAD_THROTTLE_MS
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threading.Thread(
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target=self._process_threaded_request,
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args=(endpoint, op, data, _throttle_ms/1000)).start()
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def _process_threaded_request(self, endpoint, op, data={}, throttle=0):
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if throttle > 0:
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sleep(throttle)
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_result = self.sync_request(endpoint, op, data=data)
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if _result[0] is not Code_Response.success:
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SUBSTANCE_Utils.log_data("ERROR", "[{}] Threaded request fail: {}".format(_result, endpoint))
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def sync_request(
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self,
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endpoint,
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op,
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data={}):
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try:
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_client_socket = socket.socket()
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_client_socket.connect((SRE_HOST, SRE_PORT))
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_message = {
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"type": endpoint,
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"op": op,
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"data": data
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}
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_data = json.dumps(_message)
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_client_socket.send(_data.encode())
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_raw_response = b""
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while True:
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_buffer = _client_socket.recv(CLIENT_BUFFER_SIZE)
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_raw_response += _buffer
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if len(_buffer) < CLIENT_BUFFER_SIZE:
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break
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_response = _raw_response.decode()
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_client_socket.close()
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return (Code_Response.success, _response)
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except ConnectionRefusedError:
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SUBSTANCE_Utils.log_data("ERROR", "Exception - Refused connection error")
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SUBSTANCE_Utils.log_traceback(traceback.format_exc())
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return (Code_Response.client_connection_refused_error, endpoint)
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except Exception:
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SUBSTANCE_Utils.log_data("ERROR", "Exception - Client connection error: {}".format(endpoint))
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SUBSTANCE_Utils.log_traceback(traceback.format_exc())
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return (Code_Response.client_connection_error, endpoint)
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@@ -0,0 +1,56 @@
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"""
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Copyright (C) 2023 Adobe.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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# file: network/manager.py
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# brief: Network operations manager
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# author Adobe - 3D & Immersive
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# copyright 2023 Adobe Inc. All rights reserved.
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from .server import SRE_Server
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from ..common import Code_Response
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class SUBSTANCE_ServerManager():
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def __init__(self):
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self.server = SRE_Server()
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# SERVER
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def server_start(self):
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if not self.server.is_running():
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return self.server.start()
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else:
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return (Code_Response.server_already_running, None)
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def server_port(self):
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if self.server.is_running():
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return (Code_Response.success, self.server.get_port())
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else:
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return (Code_Response.server_not_running_error, None)
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def server_stop(self):
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if self.server.is_running():
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return self.server.stop()
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else:
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return (Code_Response.server_not_running_error, None)
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def server_send_message(self, type, endpoint, op, data={}):
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return self.server.send_message(
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type,
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endpoint,
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op,
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data=data
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)
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@@ -0,0 +1,159 @@
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"""
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Copyright (C) 2023 Adobe.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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# file: network/server.py
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# brief: Web server
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# author Adobe - 3D & Immersive
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# copyright 2023 Adobe Inc. All rights reserved.
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import http.server
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import traceback
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import threading
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import json
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from ..utils import SUBSTANCE_Utils
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from .client import SRE_Client
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from ..common import (
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Code_Response,
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Code_RequestType,
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SERVER_HOST,
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SERVER_ALLOW_LIST
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)
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class SRE_HTTPServer(http.server.HTTPServer):
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def run(self):
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try:
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self.serve_forever()
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except KeyboardInterrupt:
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pass
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finally:
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self.server_close()
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class SRE_Handler(http.server.BaseHTTPRequestHandler):
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def _call_listeners(self, type, data):
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if data is not None:
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from ..api import SUBSTANCE_Api
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SUBSTANCE_Api.listeners_call(type, data)
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def _set_response(self, value):
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try:
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self.send_response(value)
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self.send_header("Content-type", "text/html")
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self.end_headers()
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except Exception:
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SUBSTANCE_Utils.log_data("ERROR", "Exception - Http response fail:")
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SUBSTANCE_Utils.log_traceback(traceback.format_exc())
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def handle(self):
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try:
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http.server.BaseHTTPRequestHandler.handle(self)
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except Exception:
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SUBSTANCE_Utils.log_data("ERROR", "Exception - Http handle fail:")
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SUBSTANCE_Utils.log_traceback(traceback.format_exc())
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def validateRequest(self, headers):
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_host = headers.get('Host').split(':')[0]
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return _host in SERVER_ALLOW_LIST
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def do_HEAD(self, s):
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if self.validateRequest(self.headers):
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self._set_response(200)
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def do_GET(self):
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if self.validateRequest(self.headers):
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self._call_listeners("get", self.path)
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self._set_response(200)
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self.wfile.write(bytes("<html><head><title>Title goes here.</title></head>", "utf-8"))
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self.wfile.write(bytes("<body><p>This is a test.</p></body></html>", "utf-8"))
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def do_POST(self):
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if self.validateRequest(self.headers):
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_content_len = int(self.headers.get('Content-Length'))
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_data = self.rfile.read(_content_len)
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self._set_response(200)
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if _data is not None:
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_json_data = json.loads(_data)
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self._call_listeners("post", _json_data)
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def do_PATCH(self):
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if self.validateRequest(self.headers):
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self._set_response(200)
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def log_message(self, format, *args):
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# Override this function to prevent log spam
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pass
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class SRE_Server():
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def __init__(self):
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self.server = None
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self.thread = None
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self.host = SERVER_HOST
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self.port = None
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self.client = SRE_Client()
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def is_running(self):
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if self.server:
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return True
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else:
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return False
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def get_port(self):
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return self.port
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def start(self):
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if self.server is None:
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self.server = SRE_HTTPServer((self.host, 0), SRE_Handler)
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self.port = self.server.server_port
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self.thread = threading.Thread(None, self.server.run)
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self.thread.daemon = True
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self.thread.start()
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return (Code_Response.success, None)
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return (Code_Response.server_start_error, None)
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def stop(self):
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if self.server is not None:
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self.server.shutdown()
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self.thread.join()
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self.server = None
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self.thread = None
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self.port = None
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return (Code_Response.success, None)
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return (Code_Response.server_stop_error, None)
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def send_message(self, type, endpoint, op, data={}):
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if type == Code_RequestType.r_sync:
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_result = self.client.sync_request(
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endpoint,
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op,
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data=data)
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return _result
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elif type == Code_RequestType.r_async:
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self.client.async_request(
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endpoint,
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op,
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data=data)
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return (Code_Response.success, None)
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else:
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return (Code_Response.server_request_type_error, None)
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