Dirk-Willem van Gulik (NXP/mbed)
Example self-announcing webserver which controls a servo through a smallHTML userinterface.
services/http/server/impl/RPCHandler.cpp@0:a259777c45a3, 2010-08-14 (annotated)
- Committer:
- dirkx
- Date:
- Sat Aug 14 15:56:01 2010 +0000
- Revision:
- 0:a259777c45a3
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| dirkx | 0:a259777c45a3 | 1 | |
| dirkx | 0:a259777c45a3 | 2 | /* |
| dirkx | 0:a259777c45a3 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| dirkx | 0:a259777c45a3 | 4 | |
| dirkx | 0:a259777c45a3 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| dirkx | 0:a259777c45a3 | 6 | of this software and associated documentation files (the "Software"), to deal |
| dirkx | 0:a259777c45a3 | 7 | in the Software without restriction, including without limitation the rights |
| dirkx | 0:a259777c45a3 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| dirkx | 0:a259777c45a3 | 9 | copies of the Software, and to permit persons to whom the Software is |
| dirkx | 0:a259777c45a3 | 10 | furnished to do so, subject to the following conditions: |
| dirkx | 0:a259777c45a3 | 11 | |
| dirkx | 0:a259777c45a3 | 12 | The above copyright notice and this permission notice shall be included in |
| dirkx | 0:a259777c45a3 | 13 | all copies or substantial portions of the Software. |
| dirkx | 0:a259777c45a3 | 14 | |
| dirkx | 0:a259777c45a3 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| dirkx | 0:a259777c45a3 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| dirkx | 0:a259777c45a3 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| dirkx | 0:a259777c45a3 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| dirkx | 0:a259777c45a3 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| dirkx | 0:a259777c45a3 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| dirkx | 0:a259777c45a3 | 21 | THE SOFTWARE. |
| dirkx | 0:a259777c45a3 | 22 | */ |
| dirkx | 0:a259777c45a3 | 23 | |
| dirkx | 0:a259777c45a3 | 24 | #include "RPCHandler.h" |
| dirkx | 0:a259777c45a3 | 25 | #include "rpc.h" |
| dirkx | 0:a259777c45a3 | 26 | |
| dirkx | 0:a259777c45a3 | 27 | //#define __DEBUG |
| dirkx | 0:a259777c45a3 | 28 | #include "dbg/dbg.h" |
| dirkx | 0:a259777c45a3 | 29 | |
| dirkx | 0:a259777c45a3 | 30 | #define RPC_DATA_LEN 128 |
| dirkx | 0:a259777c45a3 | 31 | |
| dirkx | 0:a259777c45a3 | 32 | RPCHandler::RPCHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) : HTTPRequestHandler(rootPath, path, pTCPSocket) |
| dirkx | 0:a259777c45a3 | 33 | {} |
| dirkx | 0:a259777c45a3 | 34 | |
| dirkx | 0:a259777c45a3 | 35 | RPCHandler::~RPCHandler() |
| dirkx | 0:a259777c45a3 | 36 | { |
| dirkx | 0:a259777c45a3 | 37 | DBG("\r\nHandler destroyed\r\n"); |
| dirkx | 0:a259777c45a3 | 38 | } |
| dirkx | 0:a259777c45a3 | 39 | |
| dirkx | 0:a259777c45a3 | 40 | void RPCHandler::doGet() |
| dirkx | 0:a259777c45a3 | 41 | { |
| dirkx | 0:a259777c45a3 | 42 | DBG("\r\nIn RPCHandler::doGet()\r\n"); |
| dirkx | 0:a259777c45a3 | 43 | char resp[RPC_DATA_LEN] = {0}; |
| dirkx | 0:a259777c45a3 | 44 | char req[RPC_DATA_LEN] = {0}; |
| dirkx | 0:a259777c45a3 | 45 | |
| dirkx | 0:a259777c45a3 | 46 | DBG("\r\nPath : %s\r\n", path().c_str()); |
| dirkx | 0:a259777c45a3 | 47 | DBG("\r\nRoot Path : %s\r\n", rootPath().c_str()); |
| dirkx | 0:a259777c45a3 | 48 | |
| dirkx | 0:a259777c45a3 | 49 | //Remove path |
| dirkx | 0:a259777c45a3 | 50 | strncpy(req, path().c_str(), RPC_DATA_LEN-1); |
| dirkx | 0:a259777c45a3 | 51 | DBG("\r\nRPC req : %s\r\n", req); |
| dirkx | 0:a259777c45a3 | 52 | |
| dirkx | 0:a259777c45a3 | 53 | //Remove %20, +, from req |
| dirkx | 0:a259777c45a3 | 54 | cleanReq(req); |
| dirkx | 0:a259777c45a3 | 55 | DBG("\r\nRPC req : %s\r\n", req); |
| dirkx | 0:a259777c45a3 | 56 | |
| dirkx | 0:a259777c45a3 | 57 | //Do RPC Call |
| dirkx | 0:a259777c45a3 | 58 | mbed::rpc(req, resp); //FIXME: Use bool result |
| dirkx | 0:a259777c45a3 | 59 | |
| dirkx | 0:a259777c45a3 | 60 | //Response |
| dirkx | 0:a259777c45a3 | 61 | setContentLen( strlen(resp) ); |
| dirkx | 0:a259777c45a3 | 62 | |
| dirkx | 0:a259777c45a3 | 63 | //Make sure that the browser won't cache this request |
| dirkx | 0:a259777c45a3 | 64 | respHeaders()["Cache-control"]="no-cache;no-store"; |
| dirkx | 0:a259777c45a3 | 65 | // respHeaders()["Cache-control"]="no-store"; |
| dirkx | 0:a259777c45a3 | 66 | respHeaders()["Pragma"]="no-cache"; |
| dirkx | 0:a259777c45a3 | 67 | respHeaders()["Expires"]="0"; |
| dirkx | 0:a259777c45a3 | 68 | |
| dirkx | 0:a259777c45a3 | 69 | //Write data |
| dirkx | 0:a259777c45a3 | 70 | respHeaders()["Connection"] = "close"; |
| dirkx | 0:a259777c45a3 | 71 | writeData(resp, strlen(resp)); |
| dirkx | 0:a259777c45a3 | 72 | DBG("\r\nExit RPCHandler::doGet()\r\n"); |
| dirkx | 0:a259777c45a3 | 73 | } |
| dirkx | 0:a259777c45a3 | 74 | |
| dirkx | 0:a259777c45a3 | 75 | void RPCHandler::doPost() |
| dirkx | 0:a259777c45a3 | 76 | { |
| dirkx | 0:a259777c45a3 | 77 | |
| dirkx | 0:a259777c45a3 | 78 | } |
| dirkx | 0:a259777c45a3 | 79 | |
| dirkx | 0:a259777c45a3 | 80 | void RPCHandler::doHead() |
| dirkx | 0:a259777c45a3 | 81 | { |
| dirkx | 0:a259777c45a3 | 82 | |
| dirkx | 0:a259777c45a3 | 83 | } |
| dirkx | 0:a259777c45a3 | 84 | |
| dirkx | 0:a259777c45a3 | 85 | |
| dirkx | 0:a259777c45a3 | 86 | void RPCHandler::onReadable() //Data has been read |
| dirkx | 0:a259777c45a3 | 87 | { |
| dirkx | 0:a259777c45a3 | 88 | |
| dirkx | 0:a259777c45a3 | 89 | } |
| dirkx | 0:a259777c45a3 | 90 | |
| dirkx | 0:a259777c45a3 | 91 | void RPCHandler::onWriteable() //Data has been written & buf is free |
| dirkx | 0:a259777c45a3 | 92 | { |
| dirkx | 0:a259777c45a3 | 93 | DBG("\r\nRPCHandler::onWriteable() event\r\n"); |
| dirkx | 0:a259777c45a3 | 94 | close(); //Data written, we can close the connection |
| dirkx | 0:a259777c45a3 | 95 | } |
| dirkx | 0:a259777c45a3 | 96 | |
| dirkx | 0:a259777c45a3 | 97 | void RPCHandler::onClose() //Connection is closing |
| dirkx | 0:a259777c45a3 | 98 | { |
| dirkx | 0:a259777c45a3 | 99 | //Nothing to do |
| dirkx | 0:a259777c45a3 | 100 | } |
| dirkx | 0:a259777c45a3 | 101 | |
| dirkx | 0:a259777c45a3 | 102 | void RPCHandler::cleanReq(char* data) |
| dirkx | 0:a259777c45a3 | 103 | { |
| dirkx | 0:a259777c45a3 | 104 | char* p; |
| dirkx | 0:a259777c45a3 | 105 | static const char* lGarbage[2] = {"%20", "+"}; |
| dirkx | 0:a259777c45a3 | 106 | for(int i = 0; i < 2; i++) |
| dirkx | 0:a259777c45a3 | 107 | { |
| dirkx | 0:a259777c45a3 | 108 | while((p = strstr(data, lGarbage[i])) != NULL) |
| dirkx | 0:a259777c45a3 | 109 | { |
| dirkx | 0:a259777c45a3 | 110 | memset((void*) p, ' ', strlen(lGarbage[i])); |
| dirkx | 0:a259777c45a3 | 111 | } |
| dirkx | 0:a259777c45a3 | 112 | } |
| dirkx | 0:a259777c45a3 | 113 | } |
| dirkx | 0:a259777c45a3 | 114 | |
| dirkx | 0:a259777c45a3 | 115 |