Fang Bao / HTTPClient

HTTPClient

Fork of HTTPClient by Donatien Garnier

HTTPClient.h@5:791fc3dcb6c4, 2012-06-15 (annotated)

Committer:
donatien
Date:
Fri Jun 15 14:24:46 2012 +0000
Revision:
5:791fc3dcb6c4
Parent:
0:2ccb9960a044
Child:
7:4e39864f7b15
Removed velociraptors-prone gotos:)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:2ccb9960a044 1 /* HTTPClient.h */
donatien 0:2ccb9960a044 2 /*
donatien 0:2ccb9960a044 3 Copyright (C) 2012 ARM Limited.
donatien 0:2ccb9960a044 4
donatien 0:2ccb9960a044 5 Permission is hereby granted, free of charge, to any person obtaining a copy of
donatien 0:2ccb9960a044 6 this software and associated documentation files (the "Software"), to deal in
donatien 0:2ccb9960a044 7 the Software without restriction, including without limitation the rights to
donatien 0:2ccb9960a044 8 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
donatien 0:2ccb9960a044 9 of the Software, and to permit persons to whom the Software is furnished to do
donatien 0:2ccb9960a044 10 so, subject to the following conditions:
donatien 0:2ccb9960a044 11
donatien 0:2ccb9960a044 12 The above copyright notice and this permission notice shall be included in all
donatien 0:2ccb9960a044 13 copies or substantial portions of the Software.
donatien 0:2ccb9960a044 14
donatien 0:2ccb9960a044 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
donatien 0:2ccb9960a044 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
donatien 0:2ccb9960a044 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
donatien 0:2ccb9960a044 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
donatien 0:2ccb9960a044 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 0:2ccb9960a044 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
donatien 0:2ccb9960a044 21 SOFTWARE.
donatien 0:2ccb9960a044 22 */
donatien 0:2ccb9960a044 23
donatien 0:2ccb9960a044 24 /** \file
donatien 0:2ccb9960a044 25 HTTP Client header file
donatien 0:2ccb9960a044 26 */
donatien 0:2ccb9960a044 27
donatien 0:2ccb9960a044 28 #ifndef HTTP_CLIENT_H
donatien 0:2ccb9960a044 29 #define HTTP_CLIENT_H
donatien 0:2ccb9960a044 30
donatien 5:791fc3dcb6c4 31 #include "bsd_socket.h"
donatien 0:2ccb9960a044 32
donatien 0:2ccb9960a044 33 #define HTTP_CLIENT_DEFAULT_TIMEOUT 4000
donatien 0:2ccb9960a044 34
donatien 0:2ccb9960a044 35 class HTTPData;
donatien 0:2ccb9960a044 36
donatien 0:2ccb9960a044 37 #include "IHTTPData.h"
donatien 0:2ccb9960a044 38 #include "mbed.h"
donatien 0:2ccb9960a044 39
donatien 0:2ccb9960a044 40 ///HTTP client results
donatien 0:2ccb9960a044 41 enum HTTPResult
donatien 0:2ccb9960a044 42 {
donatien 0:2ccb9960a044 43 HTTP_OK, ///<Success
donatien 0:2ccb9960a044 44 HTTP_PROCESSING, ///<Processing
donatien 0:2ccb9960a044 45 HTTP_PARSE, ///<url Parse error
donatien 0:2ccb9960a044 46 HTTP_DNS, ///<Could not resolve name
donatien 0:2ccb9960a044 47 HTTP_PRTCL, ///<Protocol error
donatien 0:2ccb9960a044 48 HTTP_NOTFOUND, ///<HTTP 404 Error
donatien 0:2ccb9960a044 49 HTTP_REFUSED, ///<HTTP 403 Error
donatien 0:2ccb9960a044 50 HTTP_ERROR, ///<HTTP xxx error
donatien 0:2ccb9960a044 51 HTTP_TIMEOUT, ///<Connection timeout
donatien 0:2ccb9960a044 52 HTTP_CONN ///<Connection error
donatien 0:2ccb9960a044 53 };
donatien 0:2ccb9960a044 54
donatien 0:2ccb9960a044 55 /**A simple HTTP Client
donatien 0:2ccb9960a044 56 The HTTPClient is composed of:
donatien 0:2ccb9960a044 57 - The actual client (HTTPClient)
donatien 0:2ccb9960a044 58 - 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 59 */
donatien 0:2ccb9960a044 60 class HTTPClient
donatien 0:2ccb9960a044 61 {
donatien 0:2ccb9960a044 62 public:
donatien 0:2ccb9960a044 63 ///Instantiate the HTTP client
donatien 0:2ccb9960a044 64 HTTPClient();
donatien 0:2ccb9960a044 65 ~HTTPClient();
donatien 0:2ccb9960a044 66
donatien 0:2ccb9960a044 67 #if 0 //TODO add header handlers
donatien 0:2ccb9960a044 68 /**
donatien 0:2ccb9960a044 69 Provides a basic authentification feature (Base64 encoded username and password)
donatien 0:2ccb9960a044 70 Pass two NULL pointers to switch back to no authentication
donatien 0:2ccb9960a044 71 @param user username to use for authentication, must remain valid durlng the whole HTTP session
donatien 0:2ccb9960a044 72 @param user password to use for authentication, must remain valid durlng the whole HTTP session
donatien 0:2ccb9960a044 73 */
donatien 0:2ccb9960a044 74 void basicAuth(const char* user, const char* password); //Basic Authentification
donatien 0:2ccb9960a044 75 #endif
donatien 0:2ccb9960a044 76
donatien 0:2ccb9960a044 77 //High Level setup functions
donatien 0:2ccb9960a044 78 /** Execute a GET request on the url
donatien 0:2ccb9960a044 79 Blocks until completion
donatien 0:2ccb9960a044 80 @param url : url on which to execute the request
donatien 0:2ccb9960a044 81 @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
donatien 0:2ccb9960a044 82 @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
donatien 0:2ccb9960a044 83 @return 0 on success, NET error (<0) on failure
donatien 0:2ccb9960a044 84 */
donatien 0:2ccb9960a044 85 int get(const char* url, IHTTPDataIn* pDataIn, uint32_t timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 0:2ccb9960a044 86
donatien 0:2ccb9960a044 87 /** Execute a GET request on the url
donatien 0:2ccb9960a044 88 Blocks until completion
donatien 0:2ccb9960a044 89 This is a helper to directly get a piece of text from a HTTP result
donatien 0:2ccb9960a044 90 @param url : url on which to execute the request
donatien 0:2ccb9960a044 91 @param result : pointer to a char array in which the result will be stored
donatien 0:2ccb9960a044 92 @param maxResultLen : length of the char array (including space for the NULL-terminating char)
donatien 0:2ccb9960a044 93 @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
donatien 0:2ccb9960a044 94 @return 0 on success, NET error on failure
donatien 0:2ccb9960a044 95 */
donatien 0:2ccb9960a044 96 int get(const char* url, char* result, size_t maxResultLen, uint32_t timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 0:2ccb9960a044 97
donatien 0:2ccb9960a044 98 /** Execute a POST request on the url
donatien 0:2ccb9960a044 99 Blocks until completion
donatien 0:2ccb9960a044 100 @param url : url on which to execute the request
donatien 0:2ccb9960a044 101 @param dataOut : a IHTTPDataOut instance that contains the data that will be posted
donatien 0:2ccb9960a044 102 @param pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
donatien 0:2ccb9960a044 103 @param timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
donatien 0:2ccb9960a044 104 @return 0 on success, NET error on failure
donatien 0:2ccb9960a044 105 */
donatien 0:2ccb9960a044 106 int post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, uint32_t timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
donatien 0:2ccb9960a044 107
donatien 0:2ccb9960a044 108 /** Get last request's HTTP response code
donatien 0:2ccb9960a044 109 @return The HTTP response code of the last request
donatien 0:2ccb9960a044 110 */
donatien 0:2ccb9960a044 111 int getHTTPResponseCode();
donatien 0:2ccb9960a044 112
donatien 0:2ccb9960a044 113 private:
donatien 0:2ccb9960a044 114 enum HTTP_METH
donatien 0:2ccb9960a044 115 {
donatien 0:2ccb9960a044 116 HTTP_GET,
donatien 0:2ccb9960a044 117 HTTP_POST,
donatien 0:2ccb9960a044 118 HTTP_HEAD
donatien 0:2ccb9960a044 119 };
donatien 0:2ccb9960a044 120
donatien 0:2ccb9960a044 121 int connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, uint32_t timeout); //Execute request
donatien 0:2ccb9960a044 122 int recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen); //0 on success, err code on failure
donatien 0:2ccb9960a044 123 int send(char* buf, size_t len = 0); //0 on success, err code on failure
donatien 0:2ccb9960a044 124 int 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 125
donatien 0:2ccb9960a044 126 //Parameters
donatien 0:2ccb9960a044 127 int m_sock;
donatien 0:2ccb9960a044 128 uint32_t m_timeout;
donatien 0:2ccb9960a044 129
donatien 0:2ccb9960a044 130 const char* m_basicAuthUser;
donatien 0:2ccb9960a044 131 const char* m_basicAuthPassword;
donatien 0:2ccb9960a044 132 int m_httpResponseCode;
donatien 0:2ccb9960a044 133
donatien 0:2ccb9960a044 134 struct sockaddr_in m_serverAddr;
donatien 0:2ccb9960a044 135
donatien 0:2ccb9960a044 136 };
donatien 0:2ccb9960a044 137
donatien 0:2ccb9960a044 138 //Including data containers here for more convenience
donatien 0:2ccb9960a044 139 #include "data/HTTPText.h"
donatien 0:2ccb9960a044 140 #include "data/HTTPMap.h"
donatien 0:2ccb9960a044 141
donatien 0:2ccb9960a044 142 #endif