This is the firmware for the LaOS - Laser Open Source project. You can use it to drive a laser cutter. For hardware and more information, look at our wiki: http://wiki.laoslaser.org
Dependencies: EthernetNetIf mbed
LaosServer/TFTPServer/TFTPServer.h@0:3852426a5068, 2012-06-08 (annotated)
- Committer:
- fablabtruck
- Date:
- Fri Jun 08 09:26:40 2012 +0000
- Revision:
- 0:3852426a5068
svn revision 379
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
fablabtruck | 0:3852426a5068 | 1 | /** |
fablabtruck | 0:3852426a5068 | 2 | * TFTPServer.h |
fablabtruck | 0:3852426a5068 | 3 | * Simple TFTP server |
fablabtruck | 0:3852426a5068 | 4 | * |
fablabtruck | 0:3852426a5068 | 5 | * Copyright (c) 2011 Jaap Vermaas |
fablabtruck | 0:3852426a5068 | 6 | * |
fablabtruck | 0:3852426a5068 | 7 | * This file is part of the LaOS project (see: http://wiki.laoslaser.org |
fablabtruck | 0:3852426a5068 | 8 | * |
fablabtruck | 0:3852426a5068 | 9 | * LaOS is free software: you can redistribute it and/or modify |
fablabtruck | 0:3852426a5068 | 10 | * it under the terms of the GNU General Public License as published by |
fablabtruck | 0:3852426a5068 | 11 | * the Free Software Foundation, either version 3 of the License, or |
fablabtruck | 0:3852426a5068 | 12 | * (at your option) any later version. |
fablabtruck | 0:3852426a5068 | 13 | * |
fablabtruck | 0:3852426a5068 | 14 | * LaOS is distributed in the hope that it will be useful, |
fablabtruck | 0:3852426a5068 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
fablabtruck | 0:3852426a5068 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
fablabtruck | 0:3852426a5068 | 17 | * GNU General Public License for more details. |
fablabtruck | 0:3852426a5068 | 18 | * |
fablabtruck | 0:3852426a5068 | 19 | * You should have received a copy of the GNU General Public License |
fablabtruck | 0:3852426a5068 | 20 | * along with LaOS. If not, see <http://www.gnu.org/licenses/>. |
fablabtruck | 0:3852426a5068 | 21 | * |
fablabtruck | 0:3852426a5068 | 22 | * Minimal TFTP Server |
fablabtruck | 0:3852426a5068 | 23 | * * Receive and send files via TFTP |
fablabtruck | 0:3852426a5068 | 24 | * * Server handles only one transfer at a time |
fablabtruck | 0:3852426a5068 | 25 | * * Supports only binary mode transfers, no (net)ascii |
fablabtruck | 0:3852426a5068 | 26 | * * fixed block size: 512 bytes |
fablabtruck | 0:3852426a5068 | 27 | * |
fablabtruck | 0:3852426a5068 | 28 | * http://spectral.mscs.mu.edu/RFC/rfc1350.html |
fablabtruck | 0:3852426a5068 | 29 | * |
fablabtruck | 0:3852426a5068 | 30 | * Example: |
fablabtruck | 0:3852426a5068 | 31 | * @code |
fablabtruck | 0:3852426a5068 | 32 | * TFTPServer *srv; |
fablabtruck | 0:3852426a5068 | 33 | * ... |
fablabtruck | 0:3852426a5068 | 34 | * srv = new TFTPServer(); |
fablabtruck | 0:3852426a5068 | 35 | * ... |
fablabtruck | 0:3852426a5068 | 36 | * @endcode |
fablabtruck | 0:3852426a5068 | 37 | * |
fablabtruck | 0:3852426a5068 | 38 | */ |
fablabtruck | 0:3852426a5068 | 39 | |
fablabtruck | 0:3852426a5068 | 40 | #ifndef _TFTPSERVER_H_ |
fablabtruck | 0:3852426a5068 | 41 | #define _TFTPSERVER_H_ |
fablabtruck | 0:3852426a5068 | 42 | |
fablabtruck | 0:3852426a5068 | 43 | #include <stdio.h> |
fablabtruck | 0:3852426a5068 | 44 | #include <ctype.h> |
fablabtruck | 0:3852426a5068 | 45 | #include "mbed.h" |
fablabtruck | 0:3852426a5068 | 46 | #include "laosfilesystem.h" |
fablabtruck | 0:3852426a5068 | 47 | #include "UDPSocket.h" // http://mbed.org/users/donatien/programs/EthernetNetIf |
fablabtruck | 0:3852426a5068 | 48 | |
fablabtruck | 0:3852426a5068 | 49 | #define TFTP_PORT 69 |
fablabtruck | 0:3852426a5068 | 50 | //#define TFTP_DEBUG(x) printf("%s\n\r", x); |
fablabtruck | 0:3852426a5068 | 51 | |
fablabtruck | 0:3852426a5068 | 52 | enum TFTPServerState { listen, reading, writing, error, suspended, deleted }; |
fablabtruck | 0:3852426a5068 | 53 | |
fablabtruck | 0:3852426a5068 | 54 | class TFTPServer { |
fablabtruck | 0:3852426a5068 | 55 | |
fablabtruck | 0:3852426a5068 | 56 | public: |
fablabtruck | 0:3852426a5068 | 57 | // create a new tftp server, with file directory dir and |
fablabtruck | 0:3852426a5068 | 58 | // listening on port |
fablabtruck | 0:3852426a5068 | 59 | TFTPServer(char* dir, int myport = TFTP_PORT); |
fablabtruck | 0:3852426a5068 | 60 | // destroy this instance of the tftp server |
fablabtruck | 0:3852426a5068 | 61 | void reset(); |
fablabtruck | 0:3852426a5068 | 62 | // reset socket |
fablabtruck | 0:3852426a5068 | 63 | ~TFTPServer(); |
fablabtruck | 0:3852426a5068 | 64 | // get current tftp status |
fablabtruck | 0:3852426a5068 | 65 | TFTPServerState State(); |
fablabtruck | 0:3852426a5068 | 66 | // Temporarily disable incoming TFTP connections |
fablabtruck | 0:3852426a5068 | 67 | void suspend(); |
fablabtruck | 0:3852426a5068 | 68 | // Resume after suspension |
fablabtruck | 0:3852426a5068 | 69 | void resume(); |
fablabtruck | 0:3852426a5068 | 70 | // During read and write, this gives you the filename |
fablabtruck | 0:3852426a5068 | 71 | void getFilename(char* name); |
fablabtruck | 0:3852426a5068 | 72 | // Return number of received files |
fablabtruck | 0:3852426a5068 | 73 | int fileCnt(); |
fablabtruck | 0:3852426a5068 | 74 | |
fablabtruck | 0:3852426a5068 | 75 | private: |
fablabtruck | 0:3852426a5068 | 76 | // create a new connection reading a file from server |
fablabtruck | 0:3852426a5068 | 77 | void ConnectRead(char* infile, Host* client); |
fablabtruck | 0:3852426a5068 | 78 | // create a new connection writing a file to the server |
fablabtruck | 0:3852426a5068 | 79 | void ConnectWrite(char* infile, Host* client); |
fablabtruck | 0:3852426a5068 | 80 | // get DATA block from file on disk into memory |
fablabtruck | 0:3852426a5068 | 81 | void getBlock(); |
fablabtruck | 0:3852426a5068 | 82 | // send DATA block to the client |
fablabtruck | 0:3852426a5068 | 83 | void sendBlock(); |
fablabtruck | 0:3852426a5068 | 84 | // handle special files |
fablabtruck | 0:3852426a5068 | 85 | // anything called *.bin is written to /local/FIRMWARE.BIN |
fablabtruck | 0:3852426a5068 | 86 | // anything called config.txt is written to /local/config.txt |
fablabtruck | 0:3852426a5068 | 87 | // even if workdir is not /local |
fablabtruck | 0:3852426a5068 | 88 | int cmpHost(Host* client); |
fablabtruck | 0:3852426a5068 | 89 | // send ACK to remote |
fablabtruck | 0:3852426a5068 | 90 | void Ack(int val); |
fablabtruck | 0:3852426a5068 | 91 | // send ERR message to named client |
fablabtruck | 0:3852426a5068 | 92 | void Err(char* msg, Host* client); |
fablabtruck | 0:3852426a5068 | 93 | // check if connection mode of client is octet/binary |
fablabtruck | 0:3852426a5068 | 94 | int modeOctet(char* buff); |
fablabtruck | 0:3852426a5068 | 95 | // timed routine to avoid hanging after interrupted transfers |
fablabtruck | 0:3852426a5068 | 96 | void cleanUp(); |
fablabtruck | 0:3852426a5068 | 97 | // event driven routines to handle incoming packets |
fablabtruck | 0:3852426a5068 | 98 | void onListenUDPSocketEvent(UDPSocketEvent e); |
fablabtruck | 0:3852426a5068 | 99 | int port; // The TFTP port |
fablabtruck | 0:3852426a5068 | 100 | UDPSocket* ListenSock; // main listening socket (dflt: UDP port 69) |
fablabtruck | 0:3852426a5068 | 101 | char workdir[256]; // file working directory |
fablabtruck | 0:3852426a5068 | 102 | TFTPServerState state; // current TFTP server state |
fablabtruck | 0:3852426a5068 | 103 | Host* remote; // connected remote Host IP and Port |
fablabtruck | 0:3852426a5068 | 104 | int blockcnt, dupcnt; // block counter, and DUP counter |
fablabtruck | 0:3852426a5068 | 105 | FILE* fp; // current file to read or write |
fablabtruck | 0:3852426a5068 | 106 | char sendbuff[516]; // current DATA block; |
fablabtruck | 0:3852426a5068 | 107 | int blocksize; // last DATA block size while sending |
fablabtruck | 0:3852426a5068 | 108 | char filename[256]; // current (or most recent) filename |
fablabtruck | 0:3852426a5068 | 109 | //Ticker TFTPServerTimer; // timeout timer |
fablabtruck | 0:3852426a5068 | 110 | int filecnt; // received file counter |
fablabtruck | 0:3852426a5068 | 111 | }; |
fablabtruck | 0:3852426a5068 | 112 | |
fablabtruck | 0:3852426a5068 | 113 | #endif |