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NetServices/api/UDPSocket.h@1:f5ac63519541, 2014-03-05 (annotated)
- Committer:
- Michael J. Spencer
- Date:
- Wed Mar 05 06:14:02 2014 -0800
- Revision:
- 1:f5ac63519541
Initial commit.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Michael J. Spencer |
1:f5ac63519541 | 1 | |
Michael J. Spencer |
1:f5ac63519541 | 2 | /* |
Michael J. Spencer |
1:f5ac63519541 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
Michael J. Spencer |
1:f5ac63519541 | 4 | |
Michael J. Spencer |
1:f5ac63519541 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
Michael J. Spencer |
1:f5ac63519541 | 6 | of this software and associated documentation files (the "Software"), to deal |
Michael J. Spencer |
1:f5ac63519541 | 7 | in the Software without restriction, including without limitation the rights |
Michael J. Spencer |
1:f5ac63519541 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
Michael J. Spencer |
1:f5ac63519541 | 9 | copies of the Software, and to permit persons to whom the Software is |
Michael J. Spencer |
1:f5ac63519541 | 10 | furnished to do so, subject to the following conditions: |
Michael J. Spencer |
1:f5ac63519541 | 11 | |
Michael J. Spencer |
1:f5ac63519541 | 12 | The above copyright notice and this permission notice shall be included in |
Michael J. Spencer |
1:f5ac63519541 | 13 | all copies or substantial portions of the Software. |
Michael J. Spencer |
1:f5ac63519541 | 14 | |
Michael J. Spencer |
1:f5ac63519541 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
Michael J. Spencer |
1:f5ac63519541 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
Michael J. Spencer |
1:f5ac63519541 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
Michael J. Spencer |
1:f5ac63519541 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
Michael J. Spencer |
1:f5ac63519541 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Michael J. Spencer |
1:f5ac63519541 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
Michael J. Spencer |
1:f5ac63519541 | 21 | THE SOFTWARE. |
Michael J. Spencer |
1:f5ac63519541 | 22 | */ |
Michael J. Spencer |
1:f5ac63519541 | 23 | |
Michael J. Spencer |
1:f5ac63519541 | 24 | /** \file |
Michael J. Spencer |
1:f5ac63519541 | 25 | UDP Socket header file |
Michael J. Spencer |
1:f5ac63519541 | 26 | */ |
Michael J. Spencer |
1:f5ac63519541 | 27 | |
Michael J. Spencer |
1:f5ac63519541 | 28 | #ifndef UDPSOCKET_H |
Michael J. Spencer |
1:f5ac63519541 | 29 | #define UDPSOCKET_H |
Michael J. Spencer |
1:f5ac63519541 | 30 | |
Michael J. Spencer |
1:f5ac63519541 | 31 | #include "core/net.h" |
Michael J. Spencer |
1:f5ac63519541 | 32 | #include "core/host.h" |
Michael J. Spencer |
1:f5ac63519541 | 33 | #include "netudpsocket.h" |
Michael J. Spencer |
1:f5ac63519541 | 34 | //Essentially it is a safe interface to NetUdpSocket |
Michael J. Spencer |
1:f5ac63519541 | 35 | |
Michael J. Spencer |
1:f5ac63519541 | 36 | ///UDP Socket error codes |
Michael J. Spencer |
1:f5ac63519541 | 37 | enum UDPSocketErr |
Michael J. Spencer |
1:f5ac63519541 | 38 | { |
Michael J. Spencer |
1:f5ac63519541 | 39 | __UDPSOCKET_MIN = -0xFFFF, |
Michael J. Spencer |
1:f5ac63519541 | 40 | UDPSOCKET_SETUP, ///<UDPSocket not properly configured |
Michael J. Spencer |
1:f5ac63519541 | 41 | UDPSOCKET_IF, ///<Interface has problems, does not exist or is not initialized |
Michael J. Spencer |
1:f5ac63519541 | 42 | UDPSOCKET_MEM, ///<Not enough mem |
Michael J. Spencer |
1:f5ac63519541 | 43 | UDPSOCKET_INUSE, ///<Interface / Port is in use |
Michael J. Spencer |
1:f5ac63519541 | 44 | //... |
Michael J. Spencer |
1:f5ac63519541 | 45 | UDPSOCKET_OK = 0 ///<Success |
Michael J. Spencer |
1:f5ac63519541 | 46 | }; |
Michael J. Spencer |
1:f5ac63519541 | 47 | |
Michael J. Spencer |
1:f5ac63519541 | 48 | ///UDP Socket Event(s) |
Michael J. Spencer |
1:f5ac63519541 | 49 | enum UDPSocketEvent //Only one event here for now, but keeps that model in case we need to implement some others |
Michael J. Spencer |
1:f5ac63519541 | 50 | { |
Michael J. Spencer |
1:f5ac63519541 | 51 | UDPSOCKET_READABLE, ///<Data in buf |
Michael J. Spencer |
1:f5ac63519541 | 52 | }; |
Michael J. Spencer |
1:f5ac63519541 | 53 | |
Michael J. Spencer |
1:f5ac63519541 | 54 | ///This is a simple UDP Socket class |
Michael J. Spencer |
1:f5ac63519541 | 55 | /** |
Michael J. Spencer |
1:f5ac63519541 | 56 | This class exposes an API to deal with UDP Sockets |
Michael J. Spencer |
1:f5ac63519541 | 57 | */ |
Michael J. Spencer |
1:f5ac63519541 | 58 | class UDPSocket |
Michael J. Spencer |
1:f5ac63519541 | 59 | { |
Michael J. Spencer |
1:f5ac63519541 | 60 | public: |
Michael J. Spencer |
1:f5ac63519541 | 61 | ///Creates a new socket |
Michael J. Spencer |
1:f5ac63519541 | 62 | UDPSocket(); |
Michael J. Spencer |
1:f5ac63519541 | 63 | |
Michael J. Spencer |
1:f5ac63519541 | 64 | ///Closes and destroys socket |
Michael J. Spencer |
1:f5ac63519541 | 65 | ~UDPSocket(); //close() |
Michael J. Spencer |
1:f5ac63519541 | 66 | |
Michael J. Spencer |
1:f5ac63519541 | 67 | ///Binds the socket to local host or a multicast address |
Michael J. Spencer |
1:f5ac63519541 | 68 | UDPSocketErr bind(const Host& me); |
Michael J. Spencer |
1:f5ac63519541 | 69 | |
Michael J. Spencer |
1:f5ac63519541 | 70 | ///Sends data |
Michael J. Spencer |
1:f5ac63519541 | 71 | /* |
Michael J. Spencer |
1:f5ac63519541 | 72 | @param pHost : host to send data to |
Michael J. Spencer |
1:f5ac63519541 | 73 | @return a negative error code or the number of bytes transmitted |
Michael J. Spencer |
1:f5ac63519541 | 74 | */ |
Michael J. Spencer |
1:f5ac63519541 | 75 | int /*if < 0 : UDPSocketErr*/ sendto(const char* buf, int len, Host* pHost); |
Michael J. Spencer |
1:f5ac63519541 | 76 | |
Michael J. Spencer |
1:f5ac63519541 | 77 | ///Receives data |
Michael J. Spencer |
1:f5ac63519541 | 78 | /* |
Michael J. Spencer |
1:f5ac63519541 | 79 | @param pHost : host from which this piece of data comes from |
Michael J. Spencer |
1:f5ac63519541 | 80 | @return a negative error code or the number of bytes received |
Michael J. Spencer |
1:f5ac63519541 | 81 | */ |
Michael J. Spencer |
1:f5ac63519541 | 82 | int /*if < 0 : UDPSocketErr*/ recvfrom(char* buf, int len, Host* pHost); |
Michael J. Spencer |
1:f5ac63519541 | 83 | |
Michael J. Spencer |
1:f5ac63519541 | 84 | /* TODO NTH : printf / scanf helpers that call send/recv */ |
Michael J. Spencer |
1:f5ac63519541 | 85 | |
Michael J. Spencer |
1:f5ac63519541 | 86 | ///Closes socket |
Michael J. Spencer |
1:f5ac63519541 | 87 | UDPSocketErr close(); |
Michael J. Spencer |
1:f5ac63519541 | 88 | |
Michael J. Spencer |
1:f5ac63519541 | 89 | //Callbacks |
Michael J. Spencer |
1:f5ac63519541 | 90 | ///Setups callback |
Michael J. Spencer |
1:f5ac63519541 | 91 | /** |
Michael J. Spencer |
1:f5ac63519541 | 92 | @param pMethod : callback function |
Michael J. Spencer |
1:f5ac63519541 | 93 | */ |
Michael J. Spencer |
1:f5ac63519541 | 94 | void setOnEvent( void (*pMethod)(UDPSocketEvent) ); |
Michael J. Spencer |
1:f5ac63519541 | 95 | |
Michael J. Spencer |
1:f5ac63519541 | 96 | class CDummy; |
Michael J. Spencer |
1:f5ac63519541 | 97 | ///Setups callback |
Michael J. Spencer |
1:f5ac63519541 | 98 | /** |
Michael J. Spencer |
1:f5ac63519541 | 99 | @param pItem : instance of class on which to execute the callback method |
Michael J. Spencer |
1:f5ac63519541 | 100 | @param pMethod : callback method |
Michael J. Spencer |
1:f5ac63519541 | 101 | */ |
Michael J. Spencer |
1:f5ac63519541 | 102 | template<class T> |
Michael J. Spencer |
1:f5ac63519541 | 103 | void setOnEvent( T* pItem, void (T::*pMethod)(UDPSocketEvent) ) |
Michael J. Spencer |
1:f5ac63519541 | 104 | { |
Michael J. Spencer |
1:f5ac63519541 | 105 | m_pCbItem = (CDummy*) pItem; |
Michael J. Spencer |
1:f5ac63519541 | 106 | m_pCbMeth = (void (CDummy::*)(UDPSocketEvent)) pMethod; |
Michael J. Spencer |
1:f5ac63519541 | 107 | } |
Michael J. Spencer |
1:f5ac63519541 | 108 | |
Michael J. Spencer |
1:f5ac63519541 | 109 | ///Disables callback |
Michael J. Spencer |
1:f5ac63519541 | 110 | void resetOnEvent(); |
Michael J. Spencer |
1:f5ac63519541 | 111 | |
Michael J. Spencer |
1:f5ac63519541 | 112 | protected: |
Michael J. Spencer |
1:f5ac63519541 | 113 | void onNetUdpSocketEvent(NetUdpSocketEvent e); |
Michael J. Spencer |
1:f5ac63519541 | 114 | UDPSocketErr checkInst(); |
Michael J. Spencer |
1:f5ac63519541 | 115 | |
Michael J. Spencer |
1:f5ac63519541 | 116 | private: |
Michael J. Spencer |
1:f5ac63519541 | 117 | NetUdpSocket* m_pNetUdpSocket; |
Michael J. Spencer |
1:f5ac63519541 | 118 | |
Michael J. Spencer |
1:f5ac63519541 | 119 | CDummy* m_pCbItem; |
Michael J. Spencer |
1:f5ac63519541 | 120 | void (CDummy::*m_pCbMeth)(UDPSocketEvent); |
Michael J. Spencer |
1:f5ac63519541 | 121 | |
Michael J. Spencer |
1:f5ac63519541 | 122 | void (*m_pCb)(UDPSocketEvent); |
Michael J. Spencer |
1:f5ac63519541 | 123 | |
Michael J. Spencer |
1:f5ac63519541 | 124 | }; |
Michael J. Spencer |
1:f5ac63519541 | 125 | |
Michael J. Spencer |
1:f5ac63519541 | 126 | #endif |