Simon Ford / NetServices

Version of http://mbed.org/cookbook/NetServicesTribute with setting set the same for LPC2368

Dependents:   UDPSocketExample 24LCxx_I2CApp WeatherPlatform_pachube HvZServerLib ... more

services/http/client/data/HTTPStream.h@0:350011bf8be7, 2010-11-23 (annotated)

Committer:
simon
Date:
Tue Nov 23 14:15:36 2010 +0000
Revision:
0:350011bf8be7
Experimental version for testing UDP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:350011bf8be7 1
simon 0:350011bf8be7 2 /*
simon 0:350011bf8be7 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
simon 0:350011bf8be7 4
simon 0:350011bf8be7 5 Permission is hereby granted, free of charge, to any person obtaining a copy
simon 0:350011bf8be7 6 of this software and associated documentation files (the "Software"), to deal
simon 0:350011bf8be7 7 in the Software without restriction, including without limitation the rights
simon 0:350011bf8be7 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 0:350011bf8be7 9 copies of the Software, and to permit persons to whom the Software is
simon 0:350011bf8be7 10 furnished to do so, subject to the following conditions:
simon 0:350011bf8be7 11
simon 0:350011bf8be7 12 The above copyright notice and this permission notice shall be included in
simon 0:350011bf8be7 13 all copies or substantial portions of the Software.
simon 0:350011bf8be7 14
simon 0:350011bf8be7 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 0:350011bf8be7 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 0:350011bf8be7 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 0:350011bf8be7 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 0:350011bf8be7 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 0:350011bf8be7 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 0:350011bf8be7 21 THE SOFTWARE.
simon 0:350011bf8be7 22 */
simon 0:350011bf8be7 23
simon 0:350011bf8be7 24 #ifndef HTTP_STREAM_H
simon 0:350011bf8be7 25 #define HTTP_STREAM_H
simon 0:350011bf8be7 26
simon 0:350011bf8be7 27 #include "../HTTPData.h"
simon 0:350011bf8be7 28 #include "mbed.h"
simon 0:350011bf8be7 29
simon 0:350011bf8be7 30 /** \file
simon 0:350011bf8be7 31 HTTP Stream data source/sink header file
simon 0:350011bf8be7 32 */
simon 0:350011bf8be7 33
simon 0:350011bf8be7 34 typedef uint8_t byte;
simon 0:350011bf8be7 35
simon 0:350011bf8be7 36 ///HTTP Client Streaming tool
simon 0:350011bf8be7 37 /**
simon 0:350011bf8be7 38 This class allows you to stream data from the web using a persisting HTTP connection.
simon 0:350011bf8be7 39 To use it properly you must use a non-blocking HTTPClient method.
simon 0:350011bf8be7 40 */
simon 0:350011bf8be7 41 class HTTPStream : public HTTPData //Streaming buf
simon 0:350011bf8be7 42 {
simon 0:350011bf8be7 43 public:
simon 0:350011bf8be7 44 ///Instantiates the object
simon 0:350011bf8be7 45 HTTPStream();
simon 0:350011bf8be7 46 virtual ~HTTPStream();
simon 0:350011bf8be7 47
simon 0:350011bf8be7 48 ///Starts to read into buffer
simon 0:350011bf8be7 49 /**
simon 0:350011bf8be7 50 Passes a buffer of address @a buf and size @a size to the instance.
simon 0:350011bf8be7 51 When it receives data it will be stored in this buffer.
simon 0:350011bf8be7 52 When the buffer is full it throttles the client until this function is called again.
simon 0:350011bf8be7 53 */
simon 0:350011bf8be7 54 void readNext(byte* buf, int size);
simon 0:350011bf8be7 55
simon 0:350011bf8be7 56 ///Returns whether there is data available to read
simon 0:350011bf8be7 57 bool readable();
simon 0:350011bf8be7 58
simon 0:350011bf8be7 59 ///Returns the actual length of the payload written in the buffer
simon 0:350011bf8be7 60 int readLen();
simon 0:350011bf8be7 61
simon 0:350011bf8be7 62 virtual void clear();
simon 0:350011bf8be7 63
simon 0:350011bf8be7 64 protected:
simon 0:350011bf8be7 65 virtual int read(char* buf, int len);
simon 0:350011bf8be7 66 virtual int write(const char* buf, int len);
simon 0:350011bf8be7 67
simon 0:350011bf8be7 68 virtual string getDataType(); //Internet media type for Content-Type header
simon 0:350011bf8be7 69 virtual void setDataType(const string& type); //Internet media type from Content-Type header
simon 0:350011bf8be7 70
simon 0:350011bf8be7 71 virtual bool getIsChunked(); //For Transfer-Encoding header
simon 0:350011bf8be7 72 virtual void setIsChunked(bool chunked); //From Transfer-Encoding header
simon 0:350011bf8be7 73
simon 0:350011bf8be7 74 virtual int getDataLen(); //For Content-Length header
simon 0:350011bf8be7 75 virtual void setDataLen(int len); //From Content-Length header, or if the transfer is chunked, next chunk length
simon 0:350011bf8be7 76
simon 0:350011bf8be7 77 private:
simon 0:350011bf8be7 78 byte* m_buf;
simon 0:350011bf8be7 79 int m_size; //Capacity
simon 0:350011bf8be7 80 int m_len; //Length
simon 0:350011bf8be7 81 };
simon 0:350011bf8be7 82
simon 0:350011bf8be7 83 #endif