Rod Coleman / NetServices

Netservices modded to read fragmented HTTP respsonse/payload from special purpose server - 180 bytes only

services/http/client/data/HTTPStream.h@0:8f5825f330b0, 2011-09-08 (annotated)

Committer:
RodColeman
Date:
Thu Sep 08 10:41:36 2011 +0000
Revision:
0:8f5825f330b0
setDataLen hacked to 180bytes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:8f5825f330b0 1
RodColeman 0:8f5825f330b0 2 /*
RodColeman 0:8f5825f330b0 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
RodColeman 0:8f5825f330b0 4
RodColeman 0:8f5825f330b0 5 Permission is hereby granted, free of charge, to any person obtaining a copy
RodColeman 0:8f5825f330b0 6 of this software and associated documentation files (the "Software"), to deal
RodColeman 0:8f5825f330b0 7 in the Software without restriction, including without limitation the rights
RodColeman 0:8f5825f330b0 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
RodColeman 0:8f5825f330b0 9 copies of the Software, and to permit persons to whom the Software is
RodColeman 0:8f5825f330b0 10 furnished to do so, subject to the following conditions:
RodColeman 0:8f5825f330b0 11
RodColeman 0:8f5825f330b0 12 The above copyright notice and this permission notice shall be included in
RodColeman 0:8f5825f330b0 13 all copies or substantial portions of the Software.
RodColeman 0:8f5825f330b0 14
RodColeman 0:8f5825f330b0 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
RodColeman 0:8f5825f330b0 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
RodColeman 0:8f5825f330b0 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
RodColeman 0:8f5825f330b0 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
RodColeman 0:8f5825f330b0 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
RodColeman 0:8f5825f330b0 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
RodColeman 0:8f5825f330b0 21 THE SOFTWARE.
RodColeman 0:8f5825f330b0 22 */
RodColeman 0:8f5825f330b0 23
RodColeman 0:8f5825f330b0 24 #ifndef HTTP_STREAM_H
RodColeman 0:8f5825f330b0 25 #define HTTP_STREAM_H
RodColeman 0:8f5825f330b0 26
RodColeman 0:8f5825f330b0 27 #include "../HTTPData.h"
RodColeman 0:8f5825f330b0 28 #include "mbed.h"
RodColeman 0:8f5825f330b0 29
RodColeman 0:8f5825f330b0 30 /** \file
RodColeman 0:8f5825f330b0 31 HTTP Stream data source/sink header file
RodColeman 0:8f5825f330b0 32 */
RodColeman 0:8f5825f330b0 33
RodColeman 0:8f5825f330b0 34 typedef uint8_t byte;
RodColeman 0:8f5825f330b0 35
RodColeman 0:8f5825f330b0 36 ///HTTP Client Streaming tool
RodColeman 0:8f5825f330b0 37 /**
RodColeman 0:8f5825f330b0 38 This class allows you to stream data from the web using a persisting HTTP connection.
RodColeman 0:8f5825f330b0 39 To use it properly you must use a non-blocking HTTPClient method.
RodColeman 0:8f5825f330b0 40 */
RodColeman 0:8f5825f330b0 41 class HTTPStream : public HTTPData //Streaming buf
RodColeman 0:8f5825f330b0 42 {
RodColeman 0:8f5825f330b0 43 public:
RodColeman 0:8f5825f330b0 44 ///Instantiates the object
RodColeman 0:8f5825f330b0 45 HTTPStream();
RodColeman 0:8f5825f330b0 46 virtual ~HTTPStream();
RodColeman 0:8f5825f330b0 47
RodColeman 0:8f5825f330b0 48 ///Starts to read into buffer
RodColeman 0:8f5825f330b0 49 /**
RodColeman 0:8f5825f330b0 50 Passes a buffer of address @a buf and size @a size to the instance.
RodColeman 0:8f5825f330b0 51 When it receives data it will be stored in this buffer.
RodColeman 0:8f5825f330b0 52 When the buffer is full it throttles the client until this function is called again.
RodColeman 0:8f5825f330b0 53 */
RodColeman 0:8f5825f330b0 54 void readNext(byte* buf, int size);
RodColeman 0:8f5825f330b0 55
RodColeman 0:8f5825f330b0 56 ///Returns whether there is data available to read
RodColeman 0:8f5825f330b0 57 bool readable();
RodColeman 0:8f5825f330b0 58
RodColeman 0:8f5825f330b0 59 ///Returns the actual length of the payload written in the buffer
RodColeman 0:8f5825f330b0 60 int readLen();
RodColeman 0:8f5825f330b0 61
RodColeman 0:8f5825f330b0 62 virtual void clear();
RodColeman 0:8f5825f330b0 63
RodColeman 0:8f5825f330b0 64 protected:
RodColeman 0:8f5825f330b0 65 virtual int read(char* buf, int len);
RodColeman 0:8f5825f330b0 66 virtual int write(const char* buf, int len);
RodColeman 0:8f5825f330b0 67
RodColeman 0:8f5825f330b0 68 virtual string getDataType(); //Internet media type for Content-Type header
RodColeman 0:8f5825f330b0 69 virtual void setDataType(const string& type); //Internet media type from Content-Type header
RodColeman 0:8f5825f330b0 70
RodColeman 0:8f5825f330b0 71 virtual bool getIsChunked(); //For Transfer-Encoding header
RodColeman 0:8f5825f330b0 72 virtual void setIsChunked(bool chunked); //From Transfer-Encoding header
RodColeman 0:8f5825f330b0 73
RodColeman 0:8f5825f330b0 74 virtual int getDataLen(); //For Content-Length header
RodColeman 0:8f5825f330b0 75 virtual void setDataLen(int len); //From Content-Length header, or if the transfer is chunked, next chunk length
RodColeman 0:8f5825f330b0 76
RodColeman 0:8f5825f330b0 77 private:
RodColeman 0:8f5825f330b0 78 byte* m_buf;
RodColeman 0:8f5825f330b0 79 int m_size; //Capacity
RodColeman 0:8f5825f330b0 80 int m_len; //Length
RodColeman 0:8f5825f330b0 81 };
RodColeman 0:8f5825f330b0 82
RodColeman 0:8f5825f330b0 83 #endif