xiaorui qu / HTTPClient

Fork HTTPClient and Modfiy code for mbed 6.0

Dependents:   mbed-demo-http-get-json

HTTPClient.h@50:1c1409029b05, 2020-11-08 (annotated)

Committer:
quxiaorui
Date:
Sun Nov 08 02:49:01 2020 +0000
Revision:
50:1c1409029b05
Parent:
49:c5abb7ae070b 
Modfiy code for mbed 6.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:2ccb9960a044 1 /* HTTPClient.h */
donatien 10:e1351de84c16 2 /* Copyright (C) 2012 mbed.org, MIT License
donatien 10:e1351de84c16 3 *
donatien 10:e1351de84c16 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
donatien 10:e1351de84c16 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
donatien 10:e1351de84c16 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
donatien 10:e1351de84c16 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
donatien 10:e1351de84c16 8 * furnished to do so, subject to the following conditions:
donatien 10:e1351de84c16 9 *
donatien 10:e1351de84c16 10 * The above copyright notice and this permission notice shall be included in all copies or
donatien 10:e1351de84c16 11 * substantial portions of the Software.
donatien 10:e1351de84c16 12 *
donatien 10:e1351de84c16 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
donatien 10:e1351de84c16 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
donatien 10:e1351de84c16 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
donatien 10:e1351de84c16 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 10:e1351de84c16 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
donatien 10:e1351de84c16 18 */
donatien 0:2ccb9960a044 19
donatien 0:2ccb9960a044 20 /** \file
donatien 0:2ccb9960a044 21 HTTP Client header file
donatien 0:2ccb9960a044 22 */
donatien 0:2ccb9960a044 23
donatien 0:2ccb9960a044 24 #ifndef HTTP_CLIENT_H
donatien 0:2ccb9960a044 25 #define HTTP_CLIENT_H
donatien 0:2ccb9960a044 26
quxiaorui 50:1c1409029b05 27 //#include "TCPSocketConnection.h" //delete for mbed 6.0
donatien 0:2ccb9960a044 28
quxiaorui 50:1c1409029b05 29 #define HTTP_CLIENT_DEFAULT_TIMEOUT 5000
donatien 0:2ccb9960a044 30
donatien 0:2ccb9960a044 31 class HTTPData;
donatien 0:2ccb9960a044 32
donatien 0:2ccb9960a044 33 #include "IHTTPData.h"
donatien 0:2ccb9960a044 34 #include "mbed.h"
donatien 0:2ccb9960a044 35
donatien 0:2ccb9960a044 36 ///HTTP client results
WiredHome 20:4ea5255c1b04 37 enum HTTPResult {
WiredHome 30:1df62fedb13b 38 HTTP_OK = 0, ///<Success
WiredHome 30:1df62fedb13b 39 HTTP_PROCESSING, ///<Processing
WiredHome 30:1df62fedb13b 40 HTTP_PARSE, ///<url Parse error
WiredHome 30:1df62fedb13b 41 HTTP_DNS, ///<Could not resolve name
WiredHome 30:1df62fedb13b 42 HTTP_PRTCL, ///<Protocol error
WiredHome 30:1df62fedb13b 43 HTTP_NOTFOUND, ///<HTTP 404 Error
WiredHome 30:1df62fedb13b 44 HTTP_REFUSED, ///<HTTP 403 Error
WiredHome 30:1df62fedb13b 45 HTTP_ERROR, ///<HTTP xxx error
WiredHome 30:1df62fedb13b 46 HTTP_TIMEOUT, ///<Connection timeout
WiredHome 30:1df62fedb13b 47 HTTP_CONN, ///<Connection error
WiredHome 30:1df62fedb13b 48 HTTP_CLOSED, ///<Connection was closed by remote host
donatien 0:2ccb9960a044 49 };
donatien 0:2ccb9960a044 50
donatien 0:2ccb9960a044 51 /**A simple HTTP Client
donatien 0:2ccb9960a044 52 The HTTPClient is composed of:
donatien 0:2ccb9960a044 53 - The actual client (HTTPClient)
donatien 0:2ccb9960a044 54 - Classes that act as a data repository, each of which deriving from the HTTPData class (HTTPText for short text content, HTTPFile for file I/O, HTTPMap for key/value pairs, and HTTPStream for streaming purposes)
donatien 0:2ccb9960a044 55 */
donatien 0:2ccb9960a044 56 class HTTPClient
donatien 0:2ccb9960a044 57 {
donatien 0:2ccb9960a044 58 public:
WiredHome 20:4ea5255c1b04 59 ///Instantiate the HTTP client
quxiaorui 50:1c1409029b05 60 //HTTPClient();
quxiaorui 50:1c1409029b05 61 HTTPClient(NetworkInterface *interface);// modify for mbed 6.0
WiredHome 20:4ea5255c1b04 62 ~HTTPClient();
WiredHome 20:4ea5255c1b04 63
WiredHome 38:2ef07232f65c 64 /// Get the text form of the error number
WiredHome 38:2ef07232f65c 65 ///
WiredHome 38:2ef07232f65c 66 /// Gets a pointer to a text message that described the result code.
WiredHome 38:2ef07232f65c 67 ///
WiredHome 38:2ef07232f65c 68 /// @param[in] res is the HTTPResult code to translate to text.
WiredHome 38:2ef07232f65c 69 /// @returns a pointer to a text message.
WiredHome 38:2ef07232f65c 70 ///
WiredHome 38:2ef07232f65c 71 static const char * GetErrorMessage(HTTPResult res);
WiredHome 38:2ef07232f65c 72
WiredHome 20:4ea5255c1b04 73 /**
WiredHome 20:4ea5255c1b04 74 Provides a basic authentification feature (Base64 encoded username and password)
WiredHome 20:4ea5255c1b04 75 Pass two NULL pointers to switch back to no authentication
WiredHome 32:7b9919d59194 76 @param[in] user username to use for authentication, must remain valid durlng the whole HTTP session
WiredHome 32:7b9919d59194 77 @param[in] user password to use for authentication, must remain valid durlng the whole HTTP session
WiredHome 20:4ea5255c1b04 78 */
WiredHome 20:4ea5255c1b04 79 void basicAuth(const char* user, const char* password); //Basic Authentification
WiredHome 20:4ea5255c1b04 80
WiredHome 20:4ea5255c1b04 81 /**
WiredHome 20:4ea5255c1b04 82 Set custom headers for request.
WiredHome 20:4ea5255c1b04 83
WiredHome 20:4ea5255c1b04 84 Pass NULL, 0 to turn off custom headers.
WiredHome 20:4ea5255c1b04 85
WiredHome 20:4ea5255c1b04 86 @code
WiredHome 20:4ea5255c1b04 87 const char * hdrs[] =
WiredHome 20:4ea5255c1b04 88 {
WiredHome 20:4ea5255c1b04 89 "Connection", "keep-alive",
WiredHome 20:4ea5255c1b04 90 "Accept", "text/html",
WiredHome 20:4ea5255c1b04 91 "User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64)",
WiredHome 20:4ea5255c1b04 92 "Accept-Encoding", "gzip,deflate,sdch",
WiredHome 20:4ea5255c1b04 93 "Accept-Language", "en-US,en;q=0.8",
WiredHome 20:4ea5255c1b04 94 };
WiredHome 20:4ea5255c1b04 95
WiredHome 20:4ea5255c1b04 96 http.basicAuth("username", "password");
WiredHome 20:4ea5255c1b04 97 http.customHeaders(hdrs, 5);
WiredHome 20:4ea5255c1b04 98 @endcode
WiredHome 20:4ea5255c1b04 99
WiredHome 32:7b9919d59194 100 @param[in] headers an array (size multiple of two) key-value pairs, must remain valid during the whole HTTP session
WiredHome 32:7b9919d59194 101 @param[in] pairs number of key-value pairs
WiredHome 20:4ea5255c1b04 102 */
WiredHome 20:4ea5255c1b04 103 void customHeaders(const char** headers, size_t pairs);
WiredHome 20:4ea5255c1b04 104
WiredHome 20:4ea5255c1b04 105 //High Level setup functions
WiredHome 20:4ea5255c1b04 106 /** Execute a GET request on the URL
WiredHome 20:4ea5255c1b04 107 Blocks until completion
WiredHome 32:7b9919d59194 108 @param[in] url : url on which to execute the request
WiredHome 32:7b9919d59194 109 @param[in,out] pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
WiredHome 32:7b9919d59194 110 @param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
WiredHome 20:4ea5255c1b04 111 @return 0 on success, HTTP error (<0) on failure
WiredHome 20:4ea5255c1b04 112 */
WiredHome 20:4ea5255c1b04 113 HTTPResult get(const char* url, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
WiredHome 20:4ea5255c1b04 114
WiredHome 20:4ea5255c1b04 115 /** Execute a GET request on the URL
WiredHome 20:4ea5255c1b04 116 Blocks until completion
WiredHome 20:4ea5255c1b04 117 This is a helper to directly get a piece of text from a HTTP result
WiredHome 32:7b9919d59194 118 @param[in] url : url on which to execute the request
WiredHome 32:7b9919d59194 119 @param[out] result : pointer to a char array in which the result will be stored
WiredHome 32:7b9919d59194 120 @param[in] maxResultLen : length of the char array (including space for the NULL-terminating char)
WiredHome 32:7b9919d59194 121 @param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
WiredHome 20:4ea5255c1b04 122 @return 0 on success, HTTP error (<0) on failure
WiredHome 20:4ea5255c1b04 123 */
WiredHome 20:4ea5255c1b04 124 HTTPResult get(const char* url, char* result, size_t maxResultLen, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 0:2ccb9960a044 125
WiredHome 20:4ea5255c1b04 126 /** Execute a POST request on the URL
WiredHome 20:4ea5255c1b04 127 Blocks until completion
WiredHome 32:7b9919d59194 128 @param[in] url : url on which to execute the request
WiredHome 32:7b9919d59194 129 @param[out] dataOut : a IHTTPDataOut instance that contains the data that will be posted
WiredHome 32:7b9919d59194 130 @param[in,out] pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
WiredHome 32:7b9919d59194 131 @param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
WiredHome 20:4ea5255c1b04 132 @return 0 on success, HTTP error (<0) on failure
WiredHome 20:4ea5255c1b04 133 */
WiredHome 20:4ea5255c1b04 134 HTTPResult post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
WiredHome 20:4ea5255c1b04 135
WiredHome 20:4ea5255c1b04 136 /** Execute a PUT request on the URL
WiredHome 20:4ea5255c1b04 137 Blocks until completion
WiredHome 32:7b9919d59194 138 @param[in] url : url on which to execute the request
WiredHome 32:7b9919d59194 139 @param[in] dataOut : a IHTTPDataOut instance that contains the data that will be put
WiredHome 32:7b9919d59194 140 @param[in,out] pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
WiredHome 32:7b9919d59194 141 @param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
WiredHome 20:4ea5255c1b04 142 @return 0 on success, HTTP error (<0) on failure
WiredHome 20:4ea5255c1b04 143 */
WiredHome 20:4ea5255c1b04 144 HTTPResult put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
WiredHome 20:4ea5255c1b04 145
WiredHome 20:4ea5255c1b04 146 /** Execute a DELETE request on the URL
WiredHome 20:4ea5255c1b04 147 Blocks until completion
WiredHome 32:7b9919d59194 148 @param[in] url : url on which to execute the request
WiredHome 32:7b9919d59194 149 @param[in,out] pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
WiredHome 32:7b9919d59194 150 @param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
WiredHome 20:4ea5255c1b04 151 @return 0 on success, HTTP error (<0) on failure
WiredHome 20:4ea5255c1b04 152 */
WiredHome 20:4ea5255c1b04 153 HTTPResult del(const char* url, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
WiredHome 20:4ea5255c1b04 154
WiredHome 20:4ea5255c1b04 155 /** Get last request's HTTP response code
WiredHome 20:4ea5255c1b04 156 @return The HTTP response code of the last request
WiredHome 20:4ea5255c1b04 157 */
WiredHome 20:4ea5255c1b04 158 int getHTTPResponseCode();
WiredHome 20:4ea5255c1b04 159
WiredHome 24:eee214e3e806 160 /** Set the maximum number of automated redirections
WiredHome 32:7b9919d59194 161 @param[in] i is the number of redirections. Values < 1 are
WiredHome 24:eee214e3e806 162 set to 1.
WiredHome 24:eee214e3e806 163 */
WiredHome 24:eee214e3e806 164 void setMaxRedirections(int i = 1);
WiredHome 24:eee214e3e806 165
WiredHome 24:eee214e3e806 166 /** get the redirect location url
WiredHome 24:eee214e3e806 167 @returns const char pointer to the url.
WiredHome 24:eee214e3e806 168 */
WiredHome 24:eee214e3e806 169 const char * getLocation() {
WiredHome 24:eee214e3e806 170 return m_location;
WiredHome 24:eee214e3e806 171 }
WiredHome 24:eee214e3e806 172
donatien 0:2ccb9960a044 173 private:
WiredHome 20:4ea5255c1b04 174 enum HTTP_METH {
WiredHome 20:4ea5255c1b04 175 HTTP_GET,
WiredHome 20:4ea5255c1b04 176 HTTP_POST,
WiredHome 20:4ea5255c1b04 177 HTTP_PUT,
WiredHome 20:4ea5255c1b04 178 HTTP_DELETE,
WiredHome 20:4ea5255c1b04 179 HTTP_HEAD
WiredHome 20:4ea5255c1b04 180 };
donatien 0:2ccb9960a044 181
WiredHome 20:4ea5255c1b04 182 HTTPResult connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout); //Execute request
WiredHome 20:4ea5255c1b04 183 HTTPResult recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen); //0 on success, err code on failure
WiredHome 49:c5abb7ae070b 184 HTTPResult send(char* buf, size_t len = 0); //0 on success, err code on failure
WiredHome 20:4ea5255c1b04 185 HTTPResult parseURL(const char* url, char* scheme, size_t maxSchemeLen, char* host, size_t maxHostLen, uint16_t* port, char* path, size_t maxPathLen); //Parse URL
WiredHome 20:4ea5255c1b04 186 void createauth (const char *user, const char *pwd, char *buf, int len);
WiredHome 20:4ea5255c1b04 187 int base64enc(const char *input, unsigned int length, char *output, int len);
donatien 0:2ccb9960a044 188
WiredHome 20:4ea5255c1b04 189 //Parameters
quxiaorui 50:1c1409029b05 190 //TCPSocketConnection m_sock;
quxiaorui 50:1c1409029b05 191 NetworkInterface *net; //add for mbed 6.0
quxiaorui 50:1c1409029b05 192 TCPSocket m_sock; // modify for mbed 6.0
quxiaorui 50:1c1409029b05 193 nsapi_size_or_error_t tcp_connected; //add for mbed 6.0
WiredHome 20:4ea5255c1b04 194 int m_timeout;
donatien 0:2ccb9960a044 195
WiredHome 21:d33f7e1ce811 196 char* m_basicAuthUser;
WiredHome 21:d33f7e1ce811 197 char* m_basicAuthPassword;
WiredHome 20:4ea5255c1b04 198 const char** m_customHeaders;
WiredHome 20:4ea5255c1b04 199 size_t m_nCustomHeaders;
WiredHome 20:4ea5255c1b04 200 int m_httpResponseCode;
WiredHome 24:eee214e3e806 201 int m_maxredirections;
WiredHome 24:eee214e3e806 202 char * m_location;
donatien 0:2ccb9960a044 203
donatien 0:2ccb9960a044 204 };
donatien 0:2ccb9960a044 205
donatien 0:2ccb9960a044 206 //Including data containers here for more convenience
donatien 0:2ccb9960a044 207 #include "data/HTTPText.h"
donatien 0:2ccb9960a044 208 #include "data/HTTPMap.h"
WiredHome 23:517fec8b8b99 209 #include "data/HTTPFile.h"
WiredHome 37:74c1c4527f70 210 #include "data/HTTPJson.h"
donatien 0:2ccb9960a044 211
donatien 0:2ccb9960a044 212 #endif