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// -*- mode: c++; c-basic-offset: 2; -*-
#ifndef MONITOR_HH
#define MONITOR_HH
#include <cstdint>
#include <memory>
#include <string>
#include "package.hh"
class Looper;
class Resolver;
class Monitor {
public:
enum State {
// Default state, if a connection is broken this is the new state
DISCONNECTED = 0,
// After connect() is called but before the connection is truly setup
CONNECTING,
// Connect() succeeded, not attached
CONNECTED,
// Connected and attached.
ATTACHED,
};
class Delegate {
public:
virtual ~Delegate() {}
virtual void state(Monitor* monitor, State state) = 0;
virtual void error(Monitor* monitor, std::string const& error) = 0;
virtual void package(Monitor* monitor, Package const& package) = 0;
virtual void package_data(Monitor* monitor, uint32_t id,
char const* data, size_t size, bool last) = 0;
protected:
Delegate() {}
};
virtual ~Monitor() {}
static Monitor* create(
Looper* looper, Resolver* resolver, Delegate* delegate);
virtual void connect(std::string const& host, uint16_t port) = 0;
virtual void connect(int fd) = 0;
virtual void disconnect() = 0;
virtual void attach() = 0;
virtual void detach() = 0;
virtual State state() const = 0;
protected:
Monitor() {}
Monitor(Monitor const&) = delete;
};
#endif // MONITOR_HH
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