Robin Davies
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2022 Robin E. R. Davies
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include <thread>
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#include <string>
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#include <atomic>
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// forward declarations.
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class AvahiEntryGroup;
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class AvahiThreadedPoll;
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#include <atomic>
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#include <avahi-client/client.h>
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namespace pipedal {
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class AvahiService {
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public:
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~AvahiService() { Stop(); }
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void Announce(
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int portNumber, const std::string &name, const std::string &instanceId, const std::string&mdnsName, bool wait);
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void Unannounce(bool wait);
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private:
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enum class ServiceState {
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Unitialized,
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Initializing,
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Settling,
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Requested,
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Uncommited,
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Registering,
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Collision,
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Reset,
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Established,
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Failed,
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Closed
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};
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std::atomic<ServiceState> serviceState;
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void Wait();
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void WaitForUnannounce();
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void SetState(ServiceState serviceState);
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std::atomic<bool> terminated = false;
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bool stopped = false;
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bool started = false;
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bool createPending = false;
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bool makeAnnouncement = false;
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void Start();
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void Stop();
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static void entry_group_callback(AvahiEntryGroup*g, AvahiEntryGroupState state, void *userData);
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void EntryGroupCallback(AvahiEntryGroup*g, AvahiEntryGroupState state);
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static void client_callback(AvahiClient *c, AvahiClientState state, AVAHI_GCC_UNUSED void * userdata);
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void ClientCallback(AvahiClient *c, AvahiClientState state);
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void create_group(AvahiClient *c);
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int clientErrno = 0;
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int portNumber = -1;
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std::string instanceId;
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std::string serviceName;
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std::string mdnsName;
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AvahiClient *client = NULL;
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AvahiEntryGroup *group = NULL;
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AvahiThreadedPoll *threadedPoll = NULL;
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char*avahiNameString = NULL;
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};
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}
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