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1 /* |
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2 * SocketListener.h -- portable select() wrapper |
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3 * |
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4 * Copyright (c) 2013, David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #ifndef _SOCKET_LISTENER_H_ |
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20 #define _SOCKET_LISTENER_H_ |
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21 |
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22 #include <vector> |
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23 |
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24 #include "Socket.h" |
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25 |
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26 /** |
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27 * @class SocketTimeout |
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28 * @brief thrown when a timeout occured |
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29 */ |
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30 class SocketTimeout : public std::exception |
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31 { |
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32 public: |
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33 virtual const char * what(void) const throw(); |
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34 }; |
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35 |
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36 class SocketListener |
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37 { |
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38 public: |
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39 |
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40 private: |
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41 std::vector<Socket> m_clients; |
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42 |
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43 public: |
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44 /** |
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45 * Add a socket to listen to. |
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46 * |
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47 * @param s the socket |
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48 */ |
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49 void add(Socket &s); |
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50 |
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51 /** |
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52 * Remove a socket from the list. |
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53 * |
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54 * @param s the socket |
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55 */ |
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56 void remove(Socket &s); |
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57 |
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58 /** |
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59 * Remove every sockets in the listener. |
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60 */ |
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61 void clear(); |
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62 |
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63 /** |
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64 * Wait for an event in the socket list. If both s and us are set to 0 then |
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65 * it waits indefinitely. |
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66 * |
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67 * @param s the timeout in seconds |
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68 * @param us the timeout in milliseconds |
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69 * @return the socket ready |
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70 * @throw SocketError on error |
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71 * @throw SocketTimeout on timeout |
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72 */ |
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73 Socket &select(int s = 0, int us = 0); |
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74 }; |
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75 |
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76 #endif // !_SOCKET_LISTENER_H_ |
