fd77301ebb
Forkit forking children is done in response to socket messages, and parent process death should kill us too. In general if we are relying on a poll to spin to achieve something, we have a performance bug; this should exacerbate them to flush them out. Signed-off-by: Michael Meeks <michael.meeks@collabora.com> Change-Id: I60d1c3b3c2532bbd686a3d3cfdea10f2a541a19a
92 lines
3.6 KiB
C++
92 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* Copyright the Collabora Online contributors.
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <string>
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#include <vector>
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#include <memory>
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// Default values and other shared data between processes.
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constexpr int DEFAULT_CLIENT_PORT_NUMBER = 9980;
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// define to wrap strace around the forkit
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#define STRACE_COOLFORKIT 0
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// define to wrap valgrind around the forkit
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#define VALGRIND_COOLFORKIT 0
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#if VALGRIND_COOLFORKIT
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constexpr int TRACE_MULTIPLIER = 20;
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#elif CODE_COVERAGE
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constexpr int TRACE_MULTIPLIER = 5;
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#else
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constexpr int TRACE_MULTIPLIER = 1;
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#endif
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constexpr int COMMAND_TIMEOUT_SECS = 5 * TRACE_MULTIPLIER;
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constexpr int COMMAND_TIMEOUT_MS = COMMAND_TIMEOUT_SECS * 1000;
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constexpr int CHILD_TIMEOUT_MS = COMMAND_TIMEOUT_MS;
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constexpr int CHILD_REBALANCE_INTERVAL_MS = CHILD_TIMEOUT_MS / 10;
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constexpr int POLL_TIMEOUT_MICRO_S = (COMMAND_TIMEOUT_MS / 5) * 1000;
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constexpr int POLL_FORKIT_TIMEOUT_SECS = 60;
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constexpr int WS_SEND_TIMEOUT_MS = 1000 * TRACE_MULTIPLIER;
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constexpr int CLIPBOARD_EXPIRY_MINUTES = 10;
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constexpr int TILE_ROUNDTRIP_TIMEOUT_MS = 10 * TRACE_MULTIPLIER * 1000;
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/// Pipe and Socket read buffer size.
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/// Should be large enough for ethernet packets
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/// which can be 1500 bytes long.
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constexpr long READ_BUFFER_SIZE = 64 * 1024;
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/// Message larger than this will be dropped as invalid
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/// or as intentionally flooding the server.
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constexpr int MAX_MESSAGE_SIZE = 2 * 1024 * READ_BUFFER_SIZE;
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constexpr const char JAILED_DOCUMENT_ROOT[] = "/tmp/user/docs/";
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constexpr const char CHILD_URI[] = "/coolws/child?";
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constexpr const char NEW_CHILD_URI[] = "/coolws/newchild";
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constexpr const char FORKIT_URI[] = "/coolws/forkit";
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constexpr const char CAPABILITIES_END_POINT[] = "/hosting/capabilities";
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/// The file suffix used to mark the file slated for uploading.
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constexpr const char TO_UPLOAD_SUFFIX[] = ".upload";
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/// The file suffix used to mark the file being uploaded.
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constexpr const char UPLOADING_SUFFIX[] = "ing";
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/// A shared threadname suffix in both the WSD and Kit processes
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/// is highly helpful for filtering the logs for the same document
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/// by simply grepping for this shared suffix+ID. e.g. 'grep "broker_123" coolwsd.log'
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/// Unfortunately grepping for only "_123" would include more noise than desirable.
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/// This also makes the threadname symmetric and the entries aligned.
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/// The choice of "broker" as the suffix is historic: it implies the controller
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/// of which there are two: one in WSD called DocumentBroker and one in Kit
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/// called Document, which wasn't called DocumentBroker to avoid confusing it
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/// with the one in WSD. No such confusion should be expected in the logs, since
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/// the prefix is "doc" and "kit" respectively, and each log entry has the process
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/// name prefixed. And of course these threads are unrelated to the classes in
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/// the code: they are logical execution unit names.
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#define SHARED_DOC_THREADNAME_SUFFIX "broker_"
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/// The client port number, both coolwsd and the kits have this.
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extern int ClientPortNumber;
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extern std::string MasterLocation;
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/// Controls whether experimental features/behavior is enabled or not.
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extern bool EnableExperimental;
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/// More efficient use of vectors
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using BlobData = std::vector<char>;
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using Blob = std::shared_ptr<BlobData>;
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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