KSG-Netzwerk/Network/Server.h

#ifndef Server_H
#define Server_H

#include <ReferenceCounter.h>

#include "Network.h"

#ifndef HEADER_OPENSSL_TYPES_H
struct ssl_ctx_st;
struct ssl_st;
#endif

namespace Framework
{
    namespace Encryption
    {
        class Key;
    }
    class Text;
} // namespace Framework

using namespace Framework;

namespace Network
{
    class Server;  // from this file
    class SClient; // from this file

    class Server : public virtual ReferenceCounter
    {
    private:
        SOCKET sock;
        SOCKADDR_IN address;
        int clients;

    public:
        // Constructor
        __declspec(dllexport) Server();
        // Destructor
        __declspec(dllexport) ~Server();
        // non-constant
        __declspec(dllexport) bool connect(
            unsigned short port, int queueLength); // Opens the socket
        __declspec(dllexport) SClient* getClient();      // accepts a client
        __declspec(dllexport) int getClients(
            bool reset); // returns the number of clients
        __declspec(dllexport) bool disconnect(); // stops the server
        // constant
        __declspec(
            dllexport) unsigned short getPort() const; // returns the port
        __declspec(dllexport) bool isConnected()
            const; // returns 1 if the server is connected
    };

    class SClient : public EncryptedConnection,
                    public virtual ReferenceCounter
    {
    private:
        SOCKET sock;
        sockaddr_in clientAddr;
        Encryption::Key* sendKey;
        Encryption::Key* receiveKey;
        int downStreamBytes;
        int upStreamBytes;

    public:
        // Constructor
        __declspec(dllexport) SClient(sockaddr_in client, SOCKET sock);
        // Destructor
        __declspec(dllexport) ~SClient();
        // non-constant
        __declspec(dllexport) void setReceiveTimeout(
            int miliseconds); // Sets a timeout for receiving data
        __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 send(
            const char* message, int len) override; // sends to client
        __declspec(dllexport) bool getMessage(
            char* message, int len) override; // receives message from client
        __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 client
        // constant
        __declspec(dllexport) bool hasMessage(
            int time) const; // Waits for a message for a given time
        __declspec(
            dllexport) unsigned short getPort() const; // returns the port
        __declspec(dllexport) const
            char* getIp() const; // returns the client's IP
        __declspec(dllexport) bool waitForNextMessage()
            const; // waits until there is something to receive
    };

    class SSLSClient;

    class SSLServer : public virtual ReferenceCounter
    {
    private:
        SOCKET s;
        SOCKADDR_IN addr;
        ssl_ctx_st* ctx;
        Text* password;
        int clients;

    public:
        // Constructor
        __declspec(dllexport) SSLServer();
        // Destructor
        __declspec(dllexport) ~SSLServer();
        // non-constant
        // Sets the path to the file where the certificate is stored
        __declspec(dllexport) bool setCertificateFile(const char* file);
        // Sets the path to the file where the private key is stored
        __declspec(dllexport) bool setPrivateKeyFile(const char* file);
        // sets the password of the private key (must be called before
        // setPrivateKeyFile)
        __declspec(dllexport) void setPrivateKeyPassword(const char* password);
        // Opens the socket
        __declspec(dllexport) bool connect(
            unsigned short port, int queueLength);
        // accepts a client
        __declspec(dllexport) SSLSClient* getClient();
        // returns the number of clients
        __declspec(dllexport) int getClients(bool reset);
        // stops the server
        __declspec(dllexport) bool disconnect();
        // constant
        // returns the port
        __declspec(dllexport) unsigned short getPort() const;
        // returns 1 if the server is connected
        __declspec(dllexport) bool isConnected() const;
    };

    class SSLSClient : public Connection,
                       public virtual ReferenceCounter
    {
    private:
        SOCKET s;
        ssl_st* ssl;
        sockaddr_in clientAddr;
        int downStreamBytes;
        int upStreamBytes;

    public:
        // Constructor
        __declspec(dllexport)
            SSLSClient(sockaddr_in client, ssl_st* ssl, SOCKET s);
        // Destructor
        __declspec(dllexport) ~SSLSClient();
        // non-constant
        __declspec(dllexport) void setReceiveTimeout(
            int miliseconds); // Sets a timeout for receiving data
        __declspec(dllexport) bool send(
            const char* message, int len) override; // sends to client
        __declspec(dllexport) bool getMessage(
            char* message, int len) override; // receives message from client
        __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 client
        // constant
        __declspec(dllexport) bool hasMessage(
            int time) const; // Waits for a message for a given time
        __declspec(
            dllexport) unsigned short getPort() const; // returns the port
        __declspec(dllexport) const
            char* getIp() const; // returns the client's IP
    };
} // namespace Network

#endif