Team E1
Fork of HTTPServer by
HTTPRequestHandler.h@5:dc88012caef1, 2013-06-01 (annotated)
- Committer:
- leihen
- Date:
- Sat Jun 01 06:24:43 2013 +0000
- Revision:
- 5:dc88012caef1
- Parent:
- 4:d065642c32cc
- Child:
- 7:cb7fec1265b5
Now also supporting RPC get requests
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
leihen | 1:6b7472d5e9ee | 1 | /* HTTPRequestHandler.h */ |
leihen | 3:d6224049b3bf | 2 | /* |
leihen | 3:d6224049b3bf | 3 | Copyright (c) 2013 Henry Leinen (henry[dot]leinen [at] online [dot] de) |
leihen | 3:d6224049b3bf | 4 | |
leihen | 3:d6224049b3bf | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
leihen | 3:d6224049b3bf | 6 | of this software and associated documentation files (the "Software"), to deal |
leihen | 3:d6224049b3bf | 7 | in the Software without restriction, including without limitation the rights |
leihen | 3:d6224049b3bf | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
leihen | 3:d6224049b3bf | 9 | copies of the Software, and to permit persons to whom the Software is |
leihen | 3:d6224049b3bf | 10 | furnished to do so, subject to the following conditions: |
leihen | 3:d6224049b3bf | 11 | |
leihen | 3:d6224049b3bf | 12 | The above copyright notice and this permission notice shall be included in |
leihen | 3:d6224049b3bf | 13 | all copies or substantial portions of the Software. |
leihen | 3:d6224049b3bf | 14 | |
leihen | 3:d6224049b3bf | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
leihen | 3:d6224049b3bf | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
leihen | 3:d6224049b3bf | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
leihen | 3:d6224049b3bf | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
leihen | 3:d6224049b3bf | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
leihen | 3:d6224049b3bf | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
leihen | 3:d6224049b3bf | 21 | THE SOFTWARE. |
leihen | 3:d6224049b3bf | 22 | */ |
leihen | 1:6b7472d5e9ee | 23 | #ifndef __HTTPREQUESTHANDLER_H__ |
leihen | 1:6b7472d5e9ee | 24 | #define __HTTPREQUESTHANDLER_H__ |
leihen | 1:6b7472d5e9ee | 25 | |
leihen | 1:6b7472d5e9ee | 26 | #include "mbed.h" |
leihen | 1:6b7472d5e9ee | 27 | #include "HTTPConnection.h" |
leihen | 1:6b7472d5e9ee | 28 | |
leihen | 3:d6224049b3bf | 29 | #include <map> |
leihen | 3:d6224049b3bf | 30 | |
leihen | 3:d6224049b3bf | 31 | typedef std::map<const char*,const char*> HTTPHeaders; |
leihen | 3:d6224049b3bf | 32 | |
leihen | 5:dc88012caef1 | 33 | typedef enum { |
leihen | 5:dc88012caef1 | 34 | HTTP_Continue = 100, // 100 |
leihen | 5:dc88012caef1 | 35 | HTTP_SwitchingProtocols = 101, // 101 |
leihen | 5:dc88012caef1 | 36 | HTTP_Ok = 200, // 200 |
leihen | 5:dc88012caef1 | 37 | HTTP_Created = 201, // 201 |
leihen | 5:dc88012caef1 | 38 | HTTP_Accepted = 202, // 202 |
leihen | 5:dc88012caef1 | 39 | HTTP_NonAuthoritativeInformation = 203, // 203 |
leihen | 5:dc88012caef1 | 40 | HTTP_NoContent = 204, // 204 |
leihen | 5:dc88012caef1 | 41 | HTTP_ResetContent = 205, // 205 |
leihen | 5:dc88012caef1 | 42 | HTTP_PartialContent = 206, // 206 |
leihen | 5:dc88012caef1 | 43 | HTTP_MultipleChoices = 300, // 300 |
leihen | 5:dc88012caef1 | 44 | HTTP_MovedPermanently = 301, // 301 |
leihen | 5:dc88012caef1 | 45 | HTTP_Found = 302, // 302 |
leihen | 5:dc88012caef1 | 46 | HTTP_SeeOther = 303, // 303 |
leihen | 5:dc88012caef1 | 47 | HTTP_NotModified = 304, // 304 |
leihen | 5:dc88012caef1 | 48 | HTTP_UseProxy = 305, // 305 |
leihen | 5:dc88012caef1 | 49 | HTTP_TemporaryRedirect = 307, // 307 |
leihen | 5:dc88012caef1 | 50 | HTTP_BadRequest = 400, // 400 |
leihen | 5:dc88012caef1 | 51 | HTTP_Unauthorized = 401, // 401 |
leihen | 5:dc88012caef1 | 52 | HTTP_PaymentRequired = 402, // 402 |
leihen | 5:dc88012caef1 | 53 | HTTP_Forbidden = 403, // 403 |
leihen | 5:dc88012caef1 | 54 | HTTP_NotFound = 404, // 404 |
leihen | 5:dc88012caef1 | 55 | HTTP_MethodNotAllowed = 405, // 405 |
leihen | 5:dc88012caef1 | 56 | HTTP_NotAcceptable = 406, // 406 |
leihen | 5:dc88012caef1 | 57 | HTTP_ProxyAuthRequired = 407, // 407 |
leihen | 5:dc88012caef1 | 58 | HTTP_RequestTimeOut = 408, // 408 |
leihen | 5:dc88012caef1 | 59 | HTTP_Conflict = 409, // 409 |
leihen | 5:dc88012caef1 | 60 | HTTP_Gone = 410, // 410 |
leihen | 5:dc88012caef1 | 61 | HTTP_LengthRequired = 411, // 411 |
leihen | 5:dc88012caef1 | 62 | HTTP_PreconditionFailed = 412, // 412 |
leihen | 5:dc88012caef1 | 63 | HTTP_RequestEntityTooLarge = 413, // 413 |
leihen | 5:dc88012caef1 | 64 | HTTP_RequestURITooLarge = 414, // 414 |
leihen | 5:dc88012caef1 | 65 | HTTP_UnsupportedMediaType = 415, // 415 |
leihen | 5:dc88012caef1 | 66 | HTTP_RequestedRangeNotSatisfiable = 416, // 416 |
leihen | 5:dc88012caef1 | 67 | HTTP_ExpectationFailed = 417, // 417 |
leihen | 5:dc88012caef1 | 68 | HTTP_InternalServerError = 500, // 500 |
leihen | 5:dc88012caef1 | 69 | HTTP_NotImplemented = 501, // 501 |
leihen | 5:dc88012caef1 | 70 | HTTP_BadGateway = 502, // 502 |
leihen | 5:dc88012caef1 | 71 | HTTP_ServiceUnavailable = 503, // 503 |
leihen | 5:dc88012caef1 | 72 | HTTP_GatewayTimeout = 504, // 504 |
leihen | 5:dc88012caef1 | 73 | HTTP_HTTPVersionNotSupported = 505, // 505 |
leihen | 5:dc88012caef1 | 74 | } HTTPResponseCode; |
leihen | 5:dc88012caef1 | 75 | |
leihen | 3:d6224049b3bf | 76 | /** class HTTPRequestHandler is the base class for HTTP Handler request implementations. |
leihen | 3:d6224049b3bf | 77 | * |
leihen | 3:d6224049b3bf | 78 | */ |
leihen | 1:6b7472d5e9ee | 79 | class HTTPRequestHandler |
leihen | 1:6b7472d5e9ee | 80 | { |
leihen | 3:d6224049b3bf | 81 | protected: |
leihen | 3:d6224049b3bf | 82 | HTTPConnection::HTTPMessage& msg; |
leihen | 3:d6224049b3bf | 83 | TCPSocketConnection& tcp; |
leihen | 3:d6224049b3bf | 84 | |
leihen | 1:6b7472d5e9ee | 85 | public: |
leihen | 3:d6224049b3bf | 86 | /** Constructor for HTTPRequestHandler objects. |
leihen | 1:6b7472d5e9ee | 87 | */ |
leihen | 3:d6224049b3bf | 88 | HTTPRequestHandler(HTTPConnection::HTTPMessage&, TCPSocketConnection&); |
leihen | 3:d6224049b3bf | 89 | |
leihen | 3:d6224049b3bf | 90 | /** Destructor for HTTPRequestHandler objects. |
leihen | 3:d6224049b3bf | 91 | */ |
leihen | 3:d6224049b3bf | 92 | virtual ~HTTPRequestHandler(); |
leihen | 3:d6224049b3bf | 93 | |
leihen | 3:d6224049b3bf | 94 | /** Handler function which will be used by the HTTPServer to serve requests. |
leihen | 4:d065642c32cc | 95 | * The default version of this function will dispatch respective handler member |
leihen | 4:d065642c32cc | 96 | * functions according to the request type given in the HTTPMessage object. |
leihen | 4:d065642c32cc | 97 | * The list of possible functions dispatched is : |
leihen | 4:d065642c32cc | 98 | * * handleGetRequest |
leihen | 4:d065642c32cc | 99 | * * handlePostRequest |
leihen | 4:d065642c32cc | 100 | * * handlePutRequest |
leihen | 3:d6224049b3bf | 101 | */ |
leihen | 3:d6224049b3bf | 102 | virtual void handleRequest(); |
leihen | 1:6b7472d5e9ee | 103 | |
leihen | 3:d6224049b3bf | 104 | /** Handler function which will handle errors and return errors correctly |
leihen | 3:d6224049b3bf | 105 | * @param errorCode : The error code returned by the HTTP Server to represent the error condition. |
leihen | 3:d6224049b3bf | 106 | * @param msg : Request Message information. |
leihen | 3:d6224049b3bf | 107 | * @param tcp : The socket which represents the active connection to the client. |
leihen | 3:d6224049b3bf | 108 | */ |
leihen | 3:d6224049b3bf | 109 | virtual void handleError(int errorCode, HTTPHeaders* header = NULL); |
leihen | 3:d6224049b3bf | 110 | |
leihen | 3:d6224049b3bf | 111 | /** Function sends the response header which consists of the return code and the headers section |
leihen | 3:d6224049b3bf | 112 | * the response header also contains the length (in bytes) of the body. You need to send the body |
leihen | 3:d6224049b3bf | 113 | * right after calling this function. Please note that you do not need to consider the terminating |
leihen | 3:d6224049b3bf | 114 | * CR+LF after your last CR+LF. This will be sent automatically once \c endResponse is called. Also |
leihen | 3:d6224049b3bf | 115 | * the Length given in \c nLen does not need to consider this additional chars. It will also be |
leihen | 3:d6224049b3bf | 116 | * automatically added in \c startResponse. if you need to change the headers, please do NOT |
leihen | 3:d6224049b3bf | 117 | * specify the \c Content-Length Header. This is done automatically be the function. |
leihen | 3:d6224049b3bf | 118 | */ |
leihen | 3:d6224049b3bf | 119 | void startResponse(int returnCode, int nLen, HTTPHeaders* header = NULL); |
leihen | 3:d6224049b3bf | 120 | void processResponse(int nLen, char* body ); |
leihen | 3:d6224049b3bf | 121 | void endResponse(); |
leihen | 3:d6224049b3bf | 122 | |
leihen | 3:d6224049b3bf | 123 | protected: |
leihen | 4:d065642c32cc | 124 | /** Handler function to serve GET requests. Download ressource from server from \c uri location. |
leihen | 3:d6224049b3bf | 125 | */ |
leihen | 3:d6224049b3bf | 126 | virtual int handleGetRequest() = 0; |
leihen | 1:6b7472d5e9ee | 127 | |
leihen | 4:d065642c32cc | 128 | /** Handler function to serve PUT requests. Upload ressource to server to \c uri location. |
leihen | 3:d6224049b3bf | 129 | */ |
leihen | 4:d065642c32cc | 130 | virtual int handlePutRequest() = 0; |
leihen | 1:6b7472d5e9ee | 131 | |
leihen | 4:d065642c32cc | 132 | /** Handler function to serve POST requests. Send data to webserver. Can also be appended to uri. |
leihen | 3:d6224049b3bf | 133 | */ |
leihen | 4:d065642c32cc | 134 | virtual int handlePostRequest() = 0; |
leihen | 1:6b7472d5e9ee | 135 | }; |
leihen | 1:6b7472d5e9ee | 136 | |
leihen | 1:6b7472d5e9ee | 137 | #endif // __HTTPREQUESTHANDLER_H__ |