Trial code integration web page update with analogue data and ntp support
Dependencies: NTPClient_NetServices mbed
lpc1768/services/http/client/HTTPClient.h@0:8cc2035bebfc, 2010-08-06 (annotated)
- Committer:
- pmr1
- Date:
- Fri Aug 06 17:57:45 2010 +0000
- Revision:
- 0:8cc2035bebfc
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
pmr1 | 0:8cc2035bebfc | 1 | |
pmr1 | 0:8cc2035bebfc | 2 | /* |
pmr1 | 0:8cc2035bebfc | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
pmr1 | 0:8cc2035bebfc | 4 | |
pmr1 | 0:8cc2035bebfc | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
pmr1 | 0:8cc2035bebfc | 6 | of this software and associated documentation files (the "Software"), to deal |
pmr1 | 0:8cc2035bebfc | 7 | in the Software without restriction, including without limitation the rights |
pmr1 | 0:8cc2035bebfc | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
pmr1 | 0:8cc2035bebfc | 9 | copies of the Software, and to permit persons to whom the Software is |
pmr1 | 0:8cc2035bebfc | 10 | furnished to do so, subject to the following conditions: |
pmr1 | 0:8cc2035bebfc | 11 | |
pmr1 | 0:8cc2035bebfc | 12 | The above copyright notice and this permission notice shall be included in |
pmr1 | 0:8cc2035bebfc | 13 | all copies or substantial portions of the Software. |
pmr1 | 0:8cc2035bebfc | 14 | |
pmr1 | 0:8cc2035bebfc | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
pmr1 | 0:8cc2035bebfc | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
pmr1 | 0:8cc2035bebfc | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
pmr1 | 0:8cc2035bebfc | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
pmr1 | 0:8cc2035bebfc | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
pmr1 | 0:8cc2035bebfc | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
pmr1 | 0:8cc2035bebfc | 21 | THE SOFTWARE. |
pmr1 | 0:8cc2035bebfc | 22 | */ |
pmr1 | 0:8cc2035bebfc | 23 | |
pmr1 | 0:8cc2035bebfc | 24 | #ifndef HTTP_CLIENT_H |
pmr1 | 0:8cc2035bebfc | 25 | #define HTTP_CLIENT_H |
pmr1 | 0:8cc2035bebfc | 26 | |
pmr1 | 0:8cc2035bebfc | 27 | class HTTPData; |
pmr1 | 0:8cc2035bebfc | 28 | |
pmr1 | 0:8cc2035bebfc | 29 | #include "if/net/net.h" |
pmr1 | 0:8cc2035bebfc | 30 | #include "api/TCPSocket.h" |
pmr1 | 0:8cc2035bebfc | 31 | #include "api/DNSRequest.h" |
pmr1 | 0:8cc2035bebfc | 32 | #include "HTTPData.h" |
pmr1 | 0:8cc2035bebfc | 33 | #include "mbed.h" |
pmr1 | 0:8cc2035bebfc | 34 | |
pmr1 | 0:8cc2035bebfc | 35 | #include <string> |
pmr1 | 0:8cc2035bebfc | 36 | using std::string; |
pmr1 | 0:8cc2035bebfc | 37 | |
pmr1 | 0:8cc2035bebfc | 38 | #include <map> |
pmr1 | 0:8cc2035bebfc | 39 | using std::map; |
pmr1 | 0:8cc2035bebfc | 40 | |
pmr1 | 0:8cc2035bebfc | 41 | enum HTTPResult |
pmr1 | 0:8cc2035bebfc | 42 | { |
pmr1 | 0:8cc2035bebfc | 43 | HTTP_OK, |
pmr1 | 0:8cc2035bebfc | 44 | HTTP_PROCESSING, |
pmr1 | 0:8cc2035bebfc | 45 | HTTP_PARSE, //URI Parse error |
pmr1 | 0:8cc2035bebfc | 46 | HTTP_DNS, //Could not resolve name |
pmr1 | 0:8cc2035bebfc | 47 | HTTP_PRTCL, //Protocol error |
pmr1 | 0:8cc2035bebfc | 48 | HTTP_NOTFOUND, //404 Error |
pmr1 | 0:8cc2035bebfc | 49 | HTTP_REFUSED, //403 Error |
pmr1 | 0:8cc2035bebfc | 50 | HTTP_ERROR, //xxx error |
pmr1 | 0:8cc2035bebfc | 51 | HTTP_TIMEOUT, //Connection timeout |
pmr1 | 0:8cc2035bebfc | 52 | HTTP_CONN //Connection error |
pmr1 | 0:8cc2035bebfc | 53 | }; |
pmr1 | 0:8cc2035bebfc | 54 | |
pmr1 | 0:8cc2035bebfc | 55 | |
pmr1 | 0:8cc2035bebfc | 56 | |
pmr1 | 0:8cc2035bebfc | 57 | class HTTPClient : protected NetService |
pmr1 | 0:8cc2035bebfc | 58 | { |
pmr1 | 0:8cc2035bebfc | 59 | public: |
pmr1 | 0:8cc2035bebfc | 60 | HTTPClient(); |
pmr1 | 0:8cc2035bebfc | 61 | virtual ~HTTPClient(); |
pmr1 | 0:8cc2035bebfc | 62 | |
pmr1 | 0:8cc2035bebfc | 63 | void basicAuth(const char* user, const char* password); //Basic Authentification |
pmr1 | 0:8cc2035bebfc | 64 | |
pmr1 | 0:8cc2035bebfc | 65 | //High Level setup functions |
pmr1 | 0:8cc2035bebfc | 66 | HTTPResult get(const char* uri, HTTPData* pDataIn); //Blocking |
pmr1 | 0:8cc2035bebfc | 67 | HTTPResult get(const char* uri, HTTPData* pDataIn, void (*pMethod)(HTTPResult)); //Non blocking |
pmr1 | 0:8cc2035bebfc | 68 | template<class T> |
pmr1 | 0:8cc2035bebfc | 69 | HTTPResult get(const char* uri, HTTPData* pDataIn, T* pItem, void (T::*pMethod)(HTTPResult)) //Non blocking |
pmr1 | 0:8cc2035bebfc | 70 | { |
pmr1 | 0:8cc2035bebfc | 71 | setOnResult(pItem, pMethod); |
pmr1 | 0:8cc2035bebfc | 72 | doGet(uri, pDataIn); |
pmr1 | 0:8cc2035bebfc | 73 | return HTTP_PROCESSING; |
pmr1 | 0:8cc2035bebfc | 74 | } |
pmr1 | 0:8cc2035bebfc | 75 | |
pmr1 | 0:8cc2035bebfc | 76 | HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn); //Blocking |
pmr1 | 0:8cc2035bebfc | 77 | HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn, void (*pMethod)(HTTPResult)); //Non blocking |
pmr1 | 0:8cc2035bebfc | 78 | template<class T> |
pmr1 | 0:8cc2035bebfc | 79 | HTTPResult post(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn, T* pItem, void (T::*pMethod)(HTTPResult)) //Non blocking |
pmr1 | 0:8cc2035bebfc | 80 | { |
pmr1 | 0:8cc2035bebfc | 81 | setOnResult(pItem, pMethod); |
pmr1 | 0:8cc2035bebfc | 82 | doPost(uri, dataOut, pDataIn); |
pmr1 | 0:8cc2035bebfc | 83 | return HTTP_PROCESSING; |
pmr1 | 0:8cc2035bebfc | 84 | } |
pmr1 | 0:8cc2035bebfc | 85 | |
pmr1 | 0:8cc2035bebfc | 86 | void doGet(const char* uri, HTTPData* pDataIn); |
pmr1 | 0:8cc2035bebfc | 87 | void doPost(const char* uri, const HTTPData& dataOut, HTTPData* pDataIn); |
pmr1 | 0:8cc2035bebfc | 88 | |
pmr1 | 0:8cc2035bebfc | 89 | void setOnResult( void (*pMethod)(HTTPResult) ); |
pmr1 | 0:8cc2035bebfc | 90 | class CDummy; |
pmr1 | 0:8cc2035bebfc | 91 | template<class T> |
pmr1 | 0:8cc2035bebfc | 92 | //Linker bug : Must be defined here :( |
pmr1 | 0:8cc2035bebfc | 93 | void setOnResult( T* pItem, void (T::*pMethod)(HTTPResult) ) |
pmr1 | 0:8cc2035bebfc | 94 | { |
pmr1 | 0:8cc2035bebfc | 95 | m_pCb = NULL; |
pmr1 | 0:8cc2035bebfc | 96 | m_pCbItem = (CDummy*) pItem; |
pmr1 | 0:8cc2035bebfc | 97 | m_pCbMeth = (void (CDummy::*)(HTTPResult)) pMethod; |
pmr1 | 0:8cc2035bebfc | 98 | } |
pmr1 | 0:8cc2035bebfc | 99 | |
pmr1 | 0:8cc2035bebfc | 100 | void setTimeout(int ms); |
pmr1 | 0:8cc2035bebfc | 101 | |
pmr1 | 0:8cc2035bebfc | 102 | virtual void poll(); //Called by NetServices |
pmr1 | 0:8cc2035bebfc | 103 | |
pmr1 | 0:8cc2035bebfc | 104 | int getHTTPResponseCode(); |
pmr1 | 0:8cc2035bebfc | 105 | void setRequestHeader(const string& header, const string& value); |
pmr1 | 0:8cc2035bebfc | 106 | string& getResponseHeader(const string& header); |
pmr1 | 0:8cc2035bebfc | 107 | void resetRequestHeaders(); |
pmr1 | 0:8cc2035bebfc | 108 | |
pmr1 | 0:8cc2035bebfc | 109 | protected: |
pmr1 | 0:8cc2035bebfc | 110 | void resetTimeout(); |
pmr1 | 0:8cc2035bebfc | 111 | |
pmr1 | 0:8cc2035bebfc | 112 | void init(); |
pmr1 | 0:8cc2035bebfc | 113 | void close(); |
pmr1 | 0:8cc2035bebfc | 114 | |
pmr1 | 0:8cc2035bebfc | 115 | void setup(const char* uri, HTTPData* pDataOut, HTTPData* pDataIn); //Setup request, make DNS Req if necessary |
pmr1 | 0:8cc2035bebfc | 116 | void connect(); //Start Connection |
pmr1 | 0:8cc2035bebfc | 117 | |
pmr1 | 0:8cc2035bebfc | 118 | int tryRead(); //Read data and try to feed output |
pmr1 | 0:8cc2035bebfc | 119 | void readData(); //Data has been read |
pmr1 | 0:8cc2035bebfc | 120 | void writeData(); //Data has been written & buf is free |
pmr1 | 0:8cc2035bebfc | 121 | |
pmr1 | 0:8cc2035bebfc | 122 | void onTCPSocketEvent(TCPSocketEvent e); |
pmr1 | 0:8cc2035bebfc | 123 | void onDNSReply(DNSReply r); |
pmr1 | 0:8cc2035bebfc | 124 | void onResult(HTTPResult r); //Called when exchange completed or on failure |
pmr1 | 0:8cc2035bebfc | 125 | void onTimeout(); //Connection has timed out |
pmr1 | 0:8cc2035bebfc | 126 | |
pmr1 | 0:8cc2035bebfc | 127 | private: |
pmr1 | 0:8cc2035bebfc | 128 | HTTPResult blockingProcess(); //Called in blocking mode, calls Net::poll() until return code is available |
pmr1 | 0:8cc2035bebfc | 129 | |
pmr1 | 0:8cc2035bebfc | 130 | bool readHeaders(); //Called first when receiving data |
pmr1 | 0:8cc2035bebfc | 131 | bool writeHeaders(); //Called to create req |
pmr1 | 0:8cc2035bebfc | 132 | int readLine(char* str, int maxLen, bool* pIncomplete = NULL); |
pmr1 | 0:8cc2035bebfc | 133 | |
pmr1 | 0:8cc2035bebfc | 134 | enum HTTP_METH |
pmr1 | 0:8cc2035bebfc | 135 | { |
pmr1 | 0:8cc2035bebfc | 136 | HTTP_GET, |
pmr1 | 0:8cc2035bebfc | 137 | HTTP_POST, |
pmr1 | 0:8cc2035bebfc | 138 | HTTP_HEAD |
pmr1 | 0:8cc2035bebfc | 139 | }; |
pmr1 | 0:8cc2035bebfc | 140 | |
pmr1 | 0:8cc2035bebfc | 141 | HTTP_METH m_meth; |
pmr1 | 0:8cc2035bebfc | 142 | |
pmr1 | 0:8cc2035bebfc | 143 | CDummy* m_pCbItem; |
pmr1 | 0:8cc2035bebfc | 144 | void (CDummy::*m_pCbMeth)(HTTPResult); |
pmr1 | 0:8cc2035bebfc | 145 | |
pmr1 | 0:8cc2035bebfc | 146 | void (*m_pCb)(HTTPResult); |
pmr1 | 0:8cc2035bebfc | 147 | |
pmr1 | 0:8cc2035bebfc | 148 | TCPSocket* m_pTCPSocket; |
pmr1 | 0:8cc2035bebfc | 149 | map<string, string> m_reqHeaders; |
pmr1 | 0:8cc2035bebfc | 150 | map<string, string> m_respHeaders; |
pmr1 | 0:8cc2035bebfc | 151 | |
pmr1 | 0:8cc2035bebfc | 152 | Timer m_watchdog; |
pmr1 | 0:8cc2035bebfc | 153 | int m_timeout; |
pmr1 | 0:8cc2035bebfc | 154 | |
pmr1 | 0:8cc2035bebfc | 155 | DNSRequest* m_pDnsReq; |
pmr1 | 0:8cc2035bebfc | 156 | |
pmr1 | 0:8cc2035bebfc | 157 | Host m_server; |
pmr1 | 0:8cc2035bebfc | 158 | string m_path; |
pmr1 | 0:8cc2035bebfc | 159 | |
pmr1 | 0:8cc2035bebfc | 160 | bool m_closed; |
pmr1 | 0:8cc2035bebfc | 161 | |
pmr1 | 0:8cc2035bebfc | 162 | enum HTTPStep |
pmr1 | 0:8cc2035bebfc | 163 | { |
pmr1 | 0:8cc2035bebfc | 164 | // HTTP_INIT, |
pmr1 | 0:8cc2035bebfc | 165 | HTTP_WRITE_HEADERS, |
pmr1 | 0:8cc2035bebfc | 166 | HTTP_WRITE_DATA, |
pmr1 | 0:8cc2035bebfc | 167 | HTTP_READ_HEADERS, |
pmr1 | 0:8cc2035bebfc | 168 | HTTP_READ_DATA, |
pmr1 | 0:8cc2035bebfc | 169 | HTTP_READ_DATA_INCOMPLETE, |
pmr1 | 0:8cc2035bebfc | 170 | HTTP_DONE, |
pmr1 | 0:8cc2035bebfc | 171 | HTTP_CLOSED |
pmr1 | 0:8cc2035bebfc | 172 | }; |
pmr1 | 0:8cc2035bebfc | 173 | |
pmr1 | 0:8cc2035bebfc | 174 | HTTPStep m_state; |
pmr1 | 0:8cc2035bebfc | 175 | |
pmr1 | 0:8cc2035bebfc | 176 | HTTPData* m_pDataOut; |
pmr1 | 0:8cc2035bebfc | 177 | HTTPData* m_pDataIn; |
pmr1 | 0:8cc2035bebfc | 178 | |
pmr1 | 0:8cc2035bebfc | 179 | bool m_dataChunked; //Data is encoded as chunks |
pmr1 | 0:8cc2035bebfc | 180 | int m_dataPos; //Position in data |
pmr1 | 0:8cc2035bebfc | 181 | int m_dataLen; //Data length |
pmr1 | 0:8cc2035bebfc | 182 | char* m_buf; |
pmr1 | 0:8cc2035bebfc | 183 | char* m_pBufRemaining; //Remaining |
pmr1 | 0:8cc2035bebfc | 184 | int m_bufRemainingLen; //Data length in m_pBufRemaining |
pmr1 | 0:8cc2035bebfc | 185 | |
pmr1 | 0:8cc2035bebfc | 186 | int m_httpResponseCode; |
pmr1 | 0:8cc2035bebfc | 187 | |
pmr1 | 0:8cc2035bebfc | 188 | HTTPResult m_blockingResult; //Result if blocking mode |
pmr1 | 0:8cc2035bebfc | 189 | |
pmr1 | 0:8cc2035bebfc | 190 | }; |
pmr1 | 0:8cc2035bebfc | 191 | |
pmr1 | 0:8cc2035bebfc | 192 | //Including data containers here for more convenience |
pmr1 | 0:8cc2035bebfc | 193 | #include "data/HTTPFile.h" |
pmr1 | 0:8cc2035bebfc | 194 | #include "data/HTTPStream.h" |
pmr1 | 0:8cc2035bebfc | 195 | #include "data/HTTPText.h" |
pmr1 | 0:8cc2035bebfc | 196 | #include "data/HTTPMap.h" |
pmr1 | 0:8cc2035bebfc | 197 | |
pmr1 | 0:8cc2035bebfc | 198 | #endif |