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#ifndef PS_COMM_LAYER_H
#define PS_COMM_LAYER_H
// Simple class to create a client/server connection and pass messages back and forth over TCP/IP
// Supports compression
#include <stdint.h>
#define COMM_LAYER_DEFAULT_HOST "localhost"
#define COMM_LAYER_DEFAULT_PORT 5525
class CommLayer
{
public:
virtual bool isServer(void) const = 0; // return true if we are in server mode.
virtual bool hasClient(void) const = 0; // return true if a client connection is currently established
virtual bool isConnected(void) const = 0; // return true if we are still connected to the server. The server is always in a 'connected' state.
virtual int32_t getPendingReadSize(void) const = 0; // returns the number of bytes of data which is pending to be read.
virtual int32_t getPendingSendSize(void) const = 0; // return the number of bytes of data pending to be sent. This can be used for flow control
virtual bool sendMessage(const void *msg,uint32_t len) = 0;
virtual uint32_t peekMessage(bool &isBigEndianPacket) = 0; // return the length of the next pending message
virtual uint32_t getMessage(void *msg,uint32_t maxLength,bool &isBigEndianPacket) = 0; // receives a pending message
virtual void release(void) = 0;
protected:
virtual ~CommLayer(void)
{
}
};
CommLayer *createCommLayer(const char *ipaddress,
uint16_t portNumber,
bool isServer);
#endif
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