| | 1 | = NetworkSocket = |
| | 2 | |
| | 3 | This module will probably need a multithreading implementation. [http://wiki.delphigl.com/index.php/SDL_Thread_Beispiel Here] is a good howto about multithreaded SDL and mutexes. A even better guide for C++ itself: [http://www.libsdl.org/intro.de/usingthreads.html here]. |
| | 4 | |
| | 5 | Next Steps: |
| | 6 | |
| | 7 | |
| | 8 | |
| | 9 | |
| | 10 | This is a small description of the NetworkSocket class |
| | 11 | |
| | 12 | {{{ |
| | 13 | |
| | 14 | /* public: */ |
| | 15 | |
| | 16 | /* |
| | 17 | * The standard constructor: does nothing, thumb |
| | 18 | */ |
| | 19 | NetworkSocket(); |
| | 20 | |
| | 21 | |
| | 22 | /* |
| | 23 | * The constructor that creates the new socket |
| | 24 | * |
| | 25 | * @param address: the address informations (SDL_net.h definition) |
| | 26 | * @param type: the type of the Socket: Server/Client |
| | 27 | */ |
| | 28 | NetworkSocket(IPaddress address, NodeType type); |
| | 29 | |
| | 30 | |
| | 31 | /* |
| | 32 | * This function establishes a TCP/UDP connection to a given server (function argument). |
| | 33 | * It is called by the NetworkStream. It creates a TCP/UDP socket for the connection. |
| | 34 | */ |
| | 35 | void connectToServer(IPaddress ip); |
| | 36 | |
| | 37 | |
| | 38 | /* |
| | 39 | * Tells the NetworkSocket to listen on a specific port for incoming connections. |
| | 40 | * NetworkSocket::writeBytes(...) will have no effect until there is a valuable connection. |
| | 41 | */ |
| | 42 | void listen(unsigned int port); |
| | 43 | |
| | 44 | |
| | 45 | /* |
| | 46 | * Tears down a TCP/UDP connection. |
| | 47 | */ |
| | 48 | void disconnect(); |
| | 49 | |
| | 50 | |
| | 51 | /* |
| | 52 | * reconnects, restablishes the connection |
| | 53 | */ |
| | 54 | void reconnect(); |
| | 55 | |
| | 56 | |
| | 57 | /* |
| | 58 | * This function writes some bytes (data) to the network connection (if the connection is already |
| | 59 | * estabilhed) otherwise it just does nothing (silently discarding the data). And writes some |
| | 60 | * warnings |
| | 61 | */ |
| | 62 | int writeBytes(byte* data, int length); |
| | 63 | |
| | 64 | |
| | 65 | /* |
| | 66 | * Reads in the bytes from the network interface and passes it to the NetworkStream. |
| | 67 | * This function must internaly be implemented/connected as a thread, since the read |
| | 68 | * functions of many network libraries are blocking an would therefore block the whole |
| | 69 | * program. |
| | 70 | * From outside, the thread shouldn't be accessible at all. |
| | 71 | * @param data: pointer to the NetworkStream data buffer |
| | 72 | * @param length: length of the data to read |
| | 73 | * returns: length of data read |
| | 74 | */ |
| | 75 | int readBytes(byte* data, int length); |
| | 76 | |
| | 77 | |
| | 78 | /* |
| | 79 | * Reads in the bytes from the network interface and passes it to the NetworkStream. |
| | 80 | * This function must internaly be implemented/connected as a thread, since the read |
| | 81 | * functions of many network libraries are blocking an would therefore block the whole |
| | 82 | * program. |
| | 83 | * From outside, the thread shouldn't be accessible at all. |
| | 84 | * @param data: pointer to the NetworkStream data buffer |
| | 85 | * @param length: length of the data to read |
| | 86 | * returns: 0 if the length of data was not available, else returns length as the number of bytes read |
| | 87 | */ |
| | 88 | int readBlock(byte* data, int length); |
| | 89 | |
| | 90 | |
| | 91 | |
| | 92 | }}} |