Stephen Paulger / HTTPClient

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HTTPClient.h@17:8299c6440e37, 2013-01-18 (annotated)

Committer:
stevep
Date:
Fri Jan 18 17:15:39 2013 +0000
Revision:
17:8299c6440e37
Parent:
16:1f743885e7de 
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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
donatien 11:390362de8c3f 27 #include "TCPSocketConnection.h"
donatien 0:2ccb9960a044 28
donatien 12:89d09a6db00a 29 #define HTTP_CLIENT_DEFAULT_TIMEOUT 15000
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
donatien 0:2ccb9960a044 37 enum HTTPResult
donatien 0:2ccb9960a044 38 {
donatien 0:2ccb9960a044 39 HTTP_PROCESSING, ///<Processing
donatien 0:2ccb9960a044 40 HTTP_PARSE, ///<url Parse error
donatien 0:2ccb9960a044 41 HTTP_DNS, ///<Could not resolve name
donatien 0:2ccb9960a044 42 HTTP_PRTCL, ///<Protocol error
donatien 0:2ccb9960a044 43 HTTP_NOTFOUND, ///<HTTP 404 Error
donatien 0:2ccb9960a044 44 HTTP_REFUSED, ///<HTTP 403 Error
donatien 0:2ccb9960a044 45 HTTP_ERROR, ///<HTTP xxx error
donatien 0:2ccb9960a044 46 HTTP_TIMEOUT, ///<Connection timeout
donatien 11:390362de8c3f 47 HTTP_CONN, ///<Connection error
donatien 11:390362de8c3f 48 HTTP_CLOSED, ///<Connection was closed by remote host
donatien 11:390362de8c3f 49 HTTP_OK = 0, ///<Success
donatien 0:2ccb9960a044 50 };
donatien 0:2ccb9960a044 51
donatien 0:2ccb9960a044 52 /**A simple HTTP Client
donatien 0:2ccb9960a044 53 The HTTPClient is composed of:
donatien 0:2ccb9960a044 54 - The actual client (HTTPClient)
donatien 0:2ccb9960a044 55 - 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 56 */
donatien 0:2ccb9960a044 57 class HTTPClient
donatien 0:2ccb9960a044 58 {
donatien 0:2ccb9960a044 59 public:
donatien 0:2ccb9960a044 60 ///Instantiate the HTTP client
donatien 0:2ccb9960a044 61 HTTPClient();
donatien 0:2ccb9960a044 62 ~HTTPClient();
donatien 0:2ccb9960a044 63
stevep 17:8299c6440e37 64 #if 1 //TODO add header handlers
donatien 0:2ccb9960a044 65 /**
donatien 0:2ccb9960a044 66 Provides a basic authentification feature (Base64 encoded username and password)
donatien 0:2ccb9960a044 67 Pass two NULL pointers to switch back to no authentication
donatien 0:2ccb9960a044 68 @param user username to use for authentication, must remain valid durlng the whole HTTP session
donatien 0:2ccb9960a044 69 @param user password to use for authentication, must remain valid durlng the whole HTTP session
donatien 0:2ccb9960a044 70 */
donatien 0:2ccb9960a044 71 void basicAuth(const char* user, const char* password); //Basic Authentification
donatien 0:2ccb9960a044 72 #endif
donatien 0:2ccb9960a044 73
donatien 0:2ccb9960a044 74 //High Level setup functions
donatien 16:1f743885e7de 75 /** Execute a GET request on the URL
donatien 0:2ccb9960a044 76 Blocks until completion
donatien 0:2ccb9960a044 77 @param url : url on which to execute the request
donatien 0:2ccb9960a044 78 @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
donatien 0:2ccb9960a044 79 @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
donatien 12:89d09a6db00a 80 @return 0 on success, HTTP error (<0) on failure
donatien 0:2ccb9960a044 81 */
donatien 12:89d09a6db00a 82 HTTPResult get(const char* url, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 0:2ccb9960a044 83
donatien 16:1f743885e7de 84 /** Execute a GET request on the URL
donatien 0:2ccb9960a044 85 Blocks until completion
donatien 0:2ccb9960a044 86 This is a helper to directly get a piece of text from a HTTP result
donatien 0:2ccb9960a044 87 @param url : url on which to execute the request
donatien 0:2ccb9960a044 88 @param result : pointer to a char array in which the result will be stored
donatien 0:2ccb9960a044 89 @param maxResultLen : length of the char array (including space for the NULL-terminating char)
donatien 0:2ccb9960a044 90 @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
donatien 12:89d09a6db00a 91 @return 0 on success, HTTP error (<0) on failure
donatien 0:2ccb9960a044 92 */
donatien 12:89d09a6db00a 93 HTTPResult get(const char* url, char* result, size_t maxResultLen, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 0:2ccb9960a044 94
donatien 16:1f743885e7de 95 /** Execute a POST request on the URL
donatien 0:2ccb9960a044 96 Blocks until completion
donatien 0:2ccb9960a044 97 @param url : url on which to execute the request
donatien 0:2ccb9960a044 98 @param dataOut : a IHTTPDataOut instance that contains the data that will be posted
donatien 0:2ccb9960a044 99 @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
donatien 0:2ccb9960a044 100 @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
donatien 12:89d09a6db00a 101 @return 0 on success, HTTP error (<0) on failure
donatien 0:2ccb9960a044 102 */
donatien 12:89d09a6db00a 103 HTTPResult post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 0:2ccb9960a044 104
donatien 16:1f743885e7de 105 /** Execute a PUT request on the URL
donatien 16:1f743885e7de 106 Blocks until completion
donatien 16:1f743885e7de 107 @param url : url on which to execute the request
donatien 16:1f743885e7de 108 @param dataOut : a IHTTPDataOut instance that contains the data that will be put
donatien 16:1f743885e7de 109 @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
donatien 16:1f743885e7de 110 @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
donatien 16:1f743885e7de 111 @return 0 on success, HTTP error (<0) on failure
donatien 16:1f743885e7de 112 */
donatien 16:1f743885e7de 113 HTTPResult put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 16:1f743885e7de 114
donatien 16:1f743885e7de 115 /** Execute a DELETE request on the URL
donatien 16:1f743885e7de 116 Blocks until completion
donatien 16:1f743885e7de 117 @param url : url on which to execute the request
donatien 16:1f743885e7de 118 @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
donatien 16:1f743885e7de 119 @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
donatien 16:1f743885e7de 120 @return 0 on success, HTTP error (<0) on failure
donatien 16:1f743885e7de 121 */
donatien 16:1f743885e7de 122 HTTPResult del(const char* url, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 16:1f743885e7de 123
donatien 0:2ccb9960a044 124 /** Get last request's HTTP response code
donatien 0:2ccb9960a044 125 @return The HTTP response code of the last request
donatien 0:2ccb9960a044 126 */
donatien 0:2ccb9960a044 127 int getHTTPResponseCode();
donatien 0:2ccb9960a044 128
donatien 0:2ccb9960a044 129 private:
donatien 0:2ccb9960a044 130 enum HTTP_METH
donatien 0:2ccb9960a044 131 {
donatien 0:2ccb9960a044 132 HTTP_GET,
donatien 0:2ccb9960a044 133 HTTP_POST,
donatien 16:1f743885e7de 134 HTTP_PUT,
donatien 16:1f743885e7de 135 HTTP_DELETE,
donatien 0:2ccb9960a044 136 HTTP_HEAD
donatien 0:2ccb9960a044 137 };
donatien 0:2ccb9960a044 138
donatien 12:89d09a6db00a 139 HTTPResult connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout); //Execute request
donatien 11:390362de8c3f 140 HTTPResult recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen); //0 on success, err code on failure
donatien 11:390362de8c3f 141 HTTPResult send(char* buf, size_t len = 0); //0 on success, err code on failure
donatien 11:390362de8c3f 142 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
donatien 0:2ccb9960a044 143
donatien 0:2ccb9960a044 144 //Parameters
donatien 11:390362de8c3f 145 TCPSocketConnection m_sock;
donatien 7:4e39864f7b15 146
donatien 12:89d09a6db00a 147 int m_timeout;
donatien 0:2ccb9960a044 148
donatien 0:2ccb9960a044 149 const char* m_basicAuthUser;
donatien 0:2ccb9960a044 150 const char* m_basicAuthPassword;
donatien 0:2ccb9960a044 151 int m_httpResponseCode;
donatien 0:2ccb9960a044 152
donatien 0:2ccb9960a044 153 };
donatien 0:2ccb9960a044 154
donatien 0:2ccb9960a044 155 //Including data containers here for more convenience
donatien 0:2ccb9960a044 156 #include "data/HTTPText.h"
donatien 0:2ccb9960a044 157 #include "data/HTTPMap.h"
donatien 0:2ccb9960a044 158
donatien 0:2ccb9960a044 159 #endif