connection.hpp

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#ifndef OTBR_REST_CONNECTION_HPP_
#define OTBR_REST_CONNECTION_HPP_
 
#include <string.h>
#include <unistd.h>
 
#include "common/mainloop.hpp"
#include "rest/parser.hpp"
#include "rest/resource.hpp"
 
using std::chrono::steady_clock;
 
namespace otbr {
namespace rest {
 
class Connection : public MainloopProcessor
{
public:
    Connection(steady_clock::time_point aStartTime, Resource *aResource, int aFd);
 
    ~Connection(void) override;
 
    void Init(void);
 
    void Update(MainloopContext &aMainloop) override;
    void Process(const MainloopContext &aMainloop) override;
 
    bool IsComplete(void) const;
 
private:
    void UpdateReadFdSet(fd_set &aReadFdSet, int &aMaxFd) const;
    void UpdateWriteFdSet(fd_set &aWriteFdSet, int &aMaxFd) const;
    void UpdateTimeout(timeval &aTimeout) const;
    void ProcessWaitRead(const fd_set &aReadFdSet);
    void ProcessWaitCallback(void);
    void ProcessWaitWrite(const fd_set &aWriteFdSet);
    void Write(void);
    void Handle(void);
    void Disconnect(void);
 
    // Timestamp used for each check point of a connection
    steady_clock::time_point mTimeStamp;
 
    // File descriptor for this connection
    int mFd;
 
    // Enum indicates the state of this connection
    ConnectionState mState;
 
    // Response instance binded to this connection
    Response mResponse;
 
    // Request instance binded to this connection
    Request mRequest;
 
    // HTTP parser instance
    Parser mParser;
 
    // Resource handler instance
    Resource *mResource;
 
    // Write buffer in case write multiple times
    std::string mWriteContent;
};
 
} // namespace rest
} // namespace otbr
 
#endif // OTBR_REST_CONNECTION_HPP_