Jozsef Benecs / Mbed 2 deprecated Measure_system

Measure system

Dependencies:   EthernetNetIf mbed RF12B

HTTPClient/LPC2368/services/http/client/data/HTTPStream.h@0:8d62137f7ff4, 2011-03-03 (annotated)

Committer:
benecsj
Date:
Thu Mar 03 08:45:49 2011 +0000
Revision:
0:8d62137f7ff4
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benecsj 0:8d62137f7ff4 1
benecsj 0:8d62137f7ff4 2 /*
benecsj 0:8d62137f7ff4 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
benecsj 0:8d62137f7ff4 4
benecsj 0:8d62137f7ff4 5 Permission is hereby granted, free of charge, to any person obtaining a copy
benecsj 0:8d62137f7ff4 6 of this software and associated documentation files (the "Software"), to deal
benecsj 0:8d62137f7ff4 7 in the Software without restriction, including without limitation the rights
benecsj 0:8d62137f7ff4 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
benecsj 0:8d62137f7ff4 9 copies of the Software, and to permit persons to whom the Software is
benecsj 0:8d62137f7ff4 10 furnished to do so, subject to the following conditions:
benecsj 0:8d62137f7ff4 11
benecsj 0:8d62137f7ff4 12 The above copyright notice and this permission notice shall be included in
benecsj 0:8d62137f7ff4 13 all copies or substantial portions of the Software.
benecsj 0:8d62137f7ff4 14
benecsj 0:8d62137f7ff4 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
benecsj 0:8d62137f7ff4 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
benecsj 0:8d62137f7ff4 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
benecsj 0:8d62137f7ff4 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
benecsj 0:8d62137f7ff4 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
benecsj 0:8d62137f7ff4 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
benecsj 0:8d62137f7ff4 21 THE SOFTWARE.
benecsj 0:8d62137f7ff4 22 */
benecsj 0:8d62137f7ff4 23
benecsj 0:8d62137f7ff4 24 #ifndef HTTP_STREAM_H
benecsj 0:8d62137f7ff4 25 #define HTTP_STREAM_H
benecsj 0:8d62137f7ff4 26
benecsj 0:8d62137f7ff4 27 #include "../HTTPData.h"
benecsj 0:8d62137f7ff4 28 #include "mbed.h"
benecsj 0:8d62137f7ff4 29
benecsj 0:8d62137f7ff4 30 /** \file
benecsj 0:8d62137f7ff4 31 HTTP Stream data source/sink header file
benecsj 0:8d62137f7ff4 32 */
benecsj 0:8d62137f7ff4 33
benecsj 0:8d62137f7ff4 34 typedef uint8_t byte;
benecsj 0:8d62137f7ff4 35
benecsj 0:8d62137f7ff4 36 ///HTTP Client Streaming tool
benecsj 0:8d62137f7ff4 37 /**
benecsj 0:8d62137f7ff4 38 This class allows you to stream data from the web using a persisting HTTP connection.
benecsj 0:8d62137f7ff4 39 To use it properly you must use a non-blocking HTTPClient method.
benecsj 0:8d62137f7ff4 40 */
benecsj 0:8d62137f7ff4 41 class HTTPStream : public HTTPData //Streaming buf
benecsj 0:8d62137f7ff4 42 {
benecsj 0:8d62137f7ff4 43 public:
benecsj 0:8d62137f7ff4 44 ///Instantiates the object
benecsj 0:8d62137f7ff4 45 HTTPStream();
benecsj 0:8d62137f7ff4 46 virtual ~HTTPStream();
benecsj 0:8d62137f7ff4 47
benecsj 0:8d62137f7ff4 48 ///Starts to read into buffer
benecsj 0:8d62137f7ff4 49 /**
benecsj 0:8d62137f7ff4 50 Passes a buffer of address @a buf and size @a size to the instance.
benecsj 0:8d62137f7ff4 51 When it receives data it will be stored in this buffer.
benecsj 0:8d62137f7ff4 52 When the buffer is full it throttles the client until this function is called again.
benecsj 0:8d62137f7ff4 53 */
benecsj 0:8d62137f7ff4 54 void readNext(byte* buf, int size);
benecsj 0:8d62137f7ff4 55
benecsj 0:8d62137f7ff4 56 ///Returns whether there is data available to read
benecsj 0:8d62137f7ff4 57 bool readable();
benecsj 0:8d62137f7ff4 58
benecsj 0:8d62137f7ff4 59 ///Returns the actual length of the payload written in the buffer
benecsj 0:8d62137f7ff4 60 int readLen();
benecsj 0:8d62137f7ff4 61
benecsj 0:8d62137f7ff4 62 virtual void clear();
benecsj 0:8d62137f7ff4 63
benecsj 0:8d62137f7ff4 64 protected:
benecsj 0:8d62137f7ff4 65 virtual int read(char* buf, int len);
benecsj 0:8d62137f7ff4 66 virtual int write(const char* buf, int len);
benecsj 0:8d62137f7ff4 67
benecsj 0:8d62137f7ff4 68 virtual string getDataType(); //Internet media type for Content-Type header
benecsj 0:8d62137f7ff4 69 virtual void setDataType(const string& type); //Internet media type from Content-Type header
benecsj 0:8d62137f7ff4 70
benecsj 0:8d62137f7ff4 71 virtual bool getIsChunked(); //For Transfer-Encoding header
benecsj 0:8d62137f7ff4 72 virtual void setIsChunked(bool chunked); //From Transfer-Encoding header
benecsj 0:8d62137f7ff4 73
benecsj 0:8d62137f7ff4 74 virtual int getDataLen(); //For Content-Length header
benecsj 0:8d62137f7ff4 75 virtual void setDataLen(int len); //From Content-Length header, or if the transfer is chunked, next chunk length
benecsj 0:8d62137f7ff4 76
benecsj 0:8d62137f7ff4 77 private:
benecsj 0:8d62137f7ff4 78 byte* m_buf;
benecsj 0:8d62137f7ff4 79 int m_size; //Capacity
benecsj 0:8d62137f7ff4 80 int m_len; //Length
benecsj 0:8d62137f7ff4 81 };
benecsj 0:8d62137f7ff4 82
benecsj 0:8d62137f7ff4 83 #endif