KSG-Netzwerk/Network/Client.h

#ifndef Client_H
#define Client_H

#include <ReferenceCounter.h>

#include "Network.h"

#ifdef INCLUDE_SSL
#    include <openssl/bio.h>
#    include <openssl/ssl.h>
#else
struct SSL_CTX;
struct SSL;
struct BIO;
#endif

namespace Framework
{
    namespace Encryption
    {
        class Key;
    }

    class Text;
} // namespace Framework

using namespace Framework;

namespace Network
{
    class Client; // from this file

    class Client : public EncryptedConnection,
                   public virtual ReferenceCounter
    {
    private:
        SOCKET sock;
        sockaddr_in server;
        Encryption::Key* sendKey;
        Encryption::Key* receiveKey;
        int downStreamBytes;
        int upStreamBytes;
        bool errorOccured;

    public:
        // Constructor
        __declspec(dllexport) Client();
        // Destructor
        __declspec(dllexport) ~Client();
        // non-constant
        __declspec(dllexport) void setSendKeyZ(
            Encryption::Key* key); // Sets the key for sending
        __declspec(dllexport) void setReceiveKeyZ(
            Encryption::Key* key); // Sets the key for receiving
        __declspec(dllexport) void setSendKey(
            const char* key, int len); // Sets the key for sending
        __declspec(dllexport) void setReceiveKey(
            const char* key, int len); // Sets the key for receiving
        __declspec(dllexport) bool connect(
            unsigned short port, const char* ip); // connects to server
        __declspec(dllexport) bool send(
            const char* message, int len) override; // sends to server
        __declspec(dllexport) bool getMessage(
            char* message, int len) override; // receives message
        __declspec(dllexport) bool sendEncrypted(
            const char* message, int len) override; // sends to server
        __declspec(dllexport) bool getMessageEncrypted(
            char* message, int len) override; // receives message
        __declspec(dllexport) int getDownloadBytes(
            bool reset); // returns the number of received bytes
        __declspec(dllexport) int getUploadBytes(
            bool reset); // returns the number of sent bytes
        __declspec(dllexport) bool disconnect(); // Disconnects from server
        // constant
        __declspec(dllexport) bool hasMessage(
            int time); // Waits for a message for a given time
        __declspec(dllexport) unsigned short
        getServerPort() const; // returns the server port
        __declspec(dllexport) const char*
        getServerIp() const; // returns the server IP
        __declspec(dllexport) bool
        waitForNextMessage() const; // waits until there is something to receive
        __declspec(dllexport) bool
        isConnected() const; // returns true if a connection exists
    };

    class SSLClient : public Connection,
                      public virtual ReferenceCounter
    {
    private:
        unsigned short port;
        Text* ip;
        SSL_CTX* ctx;
        SSL* ssl;
        BIO* bio;
        int downStreamBytes;
        int upStreamBytes;
        bool connected;

    public:
        // Constructor
        __declspec(dllexport) SSLClient();
        // Destructor
        __declspec(dllexport) ~SSLClient();
        __declspec(dllexport) bool connect(
            unsigned short port, const char* ip); // connects to server
        __declspec(dllexport) bool send(
            const char* message, int len) override; // sends to server
        __declspec(dllexport) bool getMessage(
            char* message, int len) override; // receives message
        __declspec(dllexport) int getDownloadBytes(
            bool reset); // returns the number of received bytes
        __declspec(dllexport) int getUploadBytes(
            bool reset); // returns the number of sent bytes
        __declspec(dllexport) bool disconnect(); // Disconnects from server
        // constant
        __declspec(dllexport) bool hasMessage(
            int time); // Waits for a message for a given time
        __declspec(dllexport) unsigned short
        getServerPort() const; // returns the server port
        __declspec(dllexport) const char*
        getServerIp() const; // returns the server IP
    };
} // namespace Network

#endif