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libpEpAdapter/callback_dispatcher.hh

57 lines
1.6 KiB
C++

#pragma once
#include <vector>
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#include <functional>
#include <mutex>
#include "Adapter.hh"
#include "Semaphore.hh"
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#include "passphrase_cache.hh"
namespace pEp {
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// use this class when implementing a desktop adapter
// register different interfaces with add()
// then use CallbackDispatcher::start_sync() to start Sync
// and CallbackDispatcher::stop_sync() to stop Sync
class CallbackDispatcher {
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using proc = std::function<void()>;
struct callbacks {
::messageToSend_t messageToSend;
::notifyHandshake_t notifyHandshake;
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proc on_startup;
proc on_shutdown;
};
std::vector<callbacks> targets;
Semaphore semaphore;
public:
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void add(
::messageToSend_t messageToSend,
::notifyHandshake_t notifyHandshake,
proc on_startup = nullptr,
proc on_shutdown = nullptr
);
void remove(::messageToSend_t messageToSend);
static void start_sync();
static void stop_sync();
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static PEP_STATUS messageToSend(::message *msg);
static PEP_STATUS notifyHandshake(::pEp_identity *me,
::pEp_identity *partner, ::sync_handshake_signal signal);
protected:
void on_startup();
void on_shutdown();
PEP_STATUS _messageToSend(::message *msg);
PEP_STATUS _notifyHandshake(::pEp_identity *me,
::pEp_identity *partner, ::sync_handshake_signal signal);
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friend const char *PassphraseCache::add(const std::string& passphrase);
};
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extern CallbackDispatcher callback_dispatcher;
};