Revised to prevent DHCPClient::discover from hanging.
Fork of WIZ820ioInterface by
Socket/UDPSocket.h@9:c1722862c13b, 2014-08-15 (annotated)
- Committer:
- rraab
- Date:
- Fri Aug 15 19:53:25 2014 +0000
- Revision:
- 9:c1722862c13b
- Parent:
- 5:fb15c35d1e28
Fixed DHCPClient::discover calling rand, which hangs in an infinite loop.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
samux | 1:fb4494783863 | 1 | /* Copyright (C) 2012 mbed.org, MIT License |
samux | 1:fb4494783863 | 2 | * |
samux | 1:fb4494783863 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
samux | 1:fb4494783863 | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
samux | 1:fb4494783863 | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
samux | 1:fb4494783863 | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
samux | 1:fb4494783863 | 7 | * furnished to do so, subject to the following conditions: |
samux | 1:fb4494783863 | 8 | * |
samux | 1:fb4494783863 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
samux | 1:fb4494783863 | 10 | * substantial portions of the Software. |
samux | 1:fb4494783863 | 11 | * |
samux | 1:fb4494783863 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
samux | 1:fb4494783863 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
samux | 1:fb4494783863 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
samux | 1:fb4494783863 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
samux | 1:fb4494783863 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
samux | 1:fb4494783863 | 17 | */ |
samux | 1:fb4494783863 | 18 | |
samux | 1:fb4494783863 | 19 | #ifndef UDPSOCKET_H |
samux | 1:fb4494783863 | 20 | #define UDPSOCKET_H |
samux | 1:fb4494783863 | 21 | |
samux | 1:fb4494783863 | 22 | #include "Endpoint.h" |
samux | 1:fb4494783863 | 23 | #include "Socket.h" |
samux | 1:fb4494783863 | 24 | |
samux | 1:fb4494783863 | 25 | /** |
samux | 1:fb4494783863 | 26 | UDP Socket |
samux | 1:fb4494783863 | 27 | */ |
samux | 1:fb4494783863 | 28 | class UDPSocket: public Socket { |
samux | 1:fb4494783863 | 29 | |
samux | 1:fb4494783863 | 30 | public: |
samux | 1:fb4494783863 | 31 | /** Instantiate an UDP Socket. |
samux | 1:fb4494783863 | 32 | */ |
samux | 1:fb4494783863 | 33 | UDPSocket(); |
samux | 1:fb4494783863 | 34 | |
samux | 1:fb4494783863 | 35 | /** Init the UDP Client Socket without binding it to any specific port |
samux | 1:fb4494783863 | 36 | \return 0 on success, -1 on failure. |
samux | 1:fb4494783863 | 37 | */ |
samux | 1:fb4494783863 | 38 | int init(void); |
samux | 1:fb4494783863 | 39 | |
samux | 1:fb4494783863 | 40 | /** Bind a UDP Server Socket to a specific port |
samux | 1:fb4494783863 | 41 | \param port The port to listen for incoming connections on |
samux | 1:fb4494783863 | 42 | \return 0 on success, -1 on failure. |
samux | 1:fb4494783863 | 43 | */ |
samux | 1:fb4494783863 | 44 | int bind(int port = -1); |
samux | 1:fb4494783863 | 45 | |
samux | 1:fb4494783863 | 46 | /** Send a packet to a remote endpoint |
samux | 1:fb4494783863 | 47 | \param remote The remote endpoint |
samux | 1:fb4494783863 | 48 | \param packet The packet to be sent |
samux | 1:fb4494783863 | 49 | \param length The length of the packet to be sent |
samux | 1:fb4494783863 | 50 | \return the number of written bytes on success (>=0) or -1 on failure |
samux | 1:fb4494783863 | 51 | */ |
samux | 1:fb4494783863 | 52 | int sendTo(Endpoint &remote, char *packet, int length); |
samux | 1:fb4494783863 | 53 | |
samux | 1:fb4494783863 | 54 | /** Receive a packet from a remote endpoint |
samux | 1:fb4494783863 | 55 | \param remote The remote endpoint |
samux | 1:fb4494783863 | 56 | \param buffer The buffer for storing the incoming packet data. If a packet |
samux | 1:fb4494783863 | 57 | is too long to fit in the supplied buffer, excess bytes are discarded |
samux | 1:fb4494783863 | 58 | \param length The length of the buffer |
samux | 1:fb4494783863 | 59 | \return the number of received bytes on success (>=0) or -1 on failure |
samux | 1:fb4494783863 | 60 | */ |
samux | 1:fb4494783863 | 61 | int receiveFrom(Endpoint &remote, char *buffer, int length); |
samux | 1:fb4494783863 | 62 | |
samux | 1:fb4494783863 | 63 | private: |
va009039 | 5:fb15c35d1e28 | 64 | void confEndpoint(Endpoint & ep); |
va009039 | 5:fb15c35d1e28 | 65 | void readEndpoint(Endpoint & ep, uint8_t info[]); |
samux | 1:fb4494783863 | 66 | }; |
samux | 1:fb4494783863 | 67 | |
samux | 1:fb4494783863 | 68 | #endif |