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#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ETSOCKET_H_
#define _ETSOCKET_H_
#include "etDatatypes.h"
/*
* Data structure representing an etSocket
* etSocket is used to establish a tcp connection
* Must be initialized with etSocket_construct and cleaned up with etSocket_destruct
*/
typedef struct {
etOSSocketData socket;
}
etSocket;
/*
* Data structure representing an etServerSocket
* etServerSocket can open a port that clients can connect to via tcp
* Must be initialized with etServerSocket_construct and cleaned up with etServerSocket_destruct
*/
typedef struct {
etOSSocketData serverSocket;
}
etServerSocket;
/*
* Constructs a new etSocket and connects to the specified host.
*
* \param self pointer to etSocket
* \param address address of the host to connect to
* \param port port of the host
* \return 0 on success
*/
int etSocket_construct(etSocket* self, const char* address, short port);
/*
* Destructs the etSocket.
*
* \param self pointer to etSocket
* \return 0 on success
*/
int etSocket_destruct(etSocket* self);
/*
* Receives data from an etSocket.
*
* \param self pointer to etSocket
* \param buffer buffer for received data
* \param length max length of received data
* \return length of received data, -1 when failed
*/
int etSocket_recv(etSocket* self, uint8* buffer, size_t length);
/*
* Sends data over the etSocket.
*
* \param self pointer to etSocket
* \param buffer buffer that holds the data to be sent
* \param length length of the data
* \return length of sent data, -1 when failed
*/
int etSocket_send(etSocket* self, uint8* buffer, size_t length);
/*
* Constructs a new etServerSocket and starts to listen on the specified port.
*
* \param self pointer to etServerSocket
* \param port port number
* \return: 0 on success
*/
int etServerSocket_construct(etServerSocket* self, short port);
/*
* Destructs an etServerSocket.
*
* \param self pointer to etServerSocket
* \return 0 on success
*/
int etServerSocket_destruct(etServerSocket* self);
/*
* Accepts a new connection.
*
* \param self pointer to etServerSocket
* \param socket pointer to the etSocket for the new connection
*/
int etServerSocket_accept(etServerSocket* self, etSocket* socket);
#endif /* _ETSOCKET_H_ */
#ifdef __cplusplus
}
#endif
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