Dirk-Willem van Gulik (NXP/mbed)
Example self-announcing webserver which controls a servo through a smallHTML userinterface.
services/http/client/data/HTTPStream.cpp@0:a259777c45a3, 2010-08-14 (annotated)
- Committer:
- dirkx
- Date:
- Sat Aug 14 15:56:01 2010 +0000
- Revision:
- 0:a259777c45a3
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| dirkx | 0:a259777c45a3 | 1 | |
| dirkx | 0:a259777c45a3 | 2 | /* |
| dirkx | 0:a259777c45a3 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| dirkx | 0:a259777c45a3 | 4 | |
| dirkx | 0:a259777c45a3 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| dirkx | 0:a259777c45a3 | 6 | of this software and associated documentation files (the "Software"), to deal |
| dirkx | 0:a259777c45a3 | 7 | in the Software without restriction, including without limitation the rights |
| dirkx | 0:a259777c45a3 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| dirkx | 0:a259777c45a3 | 9 | copies of the Software, and to permit persons to whom the Software is |
| dirkx | 0:a259777c45a3 | 10 | furnished to do so, subject to the following conditions: |
| dirkx | 0:a259777c45a3 | 11 | |
| dirkx | 0:a259777c45a3 | 12 | The above copyright notice and this permission notice shall be included in |
| dirkx | 0:a259777c45a3 | 13 | all copies or substantial portions of the Software. |
| dirkx | 0:a259777c45a3 | 14 | |
| dirkx | 0:a259777c45a3 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| dirkx | 0:a259777c45a3 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| dirkx | 0:a259777c45a3 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| dirkx | 0:a259777c45a3 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| dirkx | 0:a259777c45a3 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| dirkx | 0:a259777c45a3 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| dirkx | 0:a259777c45a3 | 21 | THE SOFTWARE. |
| dirkx | 0:a259777c45a3 | 22 | */ |
| dirkx | 0:a259777c45a3 | 23 | |
| dirkx | 0:a259777c45a3 | 24 | #include "HTTPStream.h" |
| dirkx | 0:a259777c45a3 | 25 | |
| dirkx | 0:a259777c45a3 | 26 | #define MIN(a,b) ((a)<(b)?(a):(b)) |
| dirkx | 0:a259777c45a3 | 27 | |
| dirkx | 0:a259777c45a3 | 28 | HTTPStream::HTTPStream() : HTTPData(), m_buf(NULL), m_size(0), m_len(0) |
| dirkx | 0:a259777c45a3 | 29 | { |
| dirkx | 0:a259777c45a3 | 30 | |
| dirkx | 0:a259777c45a3 | 31 | } |
| dirkx | 0:a259777c45a3 | 32 | |
| dirkx | 0:a259777c45a3 | 33 | HTTPStream::~HTTPStream() |
| dirkx | 0:a259777c45a3 | 34 | { |
| dirkx | 0:a259777c45a3 | 35 | |
| dirkx | 0:a259777c45a3 | 36 | } |
| dirkx | 0:a259777c45a3 | 37 | |
| dirkx | 0:a259777c45a3 | 38 | |
| dirkx | 0:a259777c45a3 | 39 | void HTTPStream::readNext(byte* buf, int size) |
| dirkx | 0:a259777c45a3 | 40 | { |
| dirkx | 0:a259777c45a3 | 41 | m_buf = buf; |
| dirkx | 0:a259777c45a3 | 42 | m_size = size; |
| dirkx | 0:a259777c45a3 | 43 | m_len = 0; |
| dirkx | 0:a259777c45a3 | 44 | } |
| dirkx | 0:a259777c45a3 | 45 | |
| dirkx | 0:a259777c45a3 | 46 | bool HTTPStream::readable() |
| dirkx | 0:a259777c45a3 | 47 | { |
| dirkx | 0:a259777c45a3 | 48 | return (m_len>0); |
| dirkx | 0:a259777c45a3 | 49 | } |
| dirkx | 0:a259777c45a3 | 50 | |
| dirkx | 0:a259777c45a3 | 51 | int HTTPStream::readLen() |
| dirkx | 0:a259777c45a3 | 52 | { |
| dirkx | 0:a259777c45a3 | 53 | return m_len; |
| dirkx | 0:a259777c45a3 | 54 | } |
| dirkx | 0:a259777c45a3 | 55 | |
| dirkx | 0:a259777c45a3 | 56 | void HTTPStream::clear() |
| dirkx | 0:a259777c45a3 | 57 | { |
| dirkx | 0:a259777c45a3 | 58 | //Do nothing here since it is a stream and not a buffer |
| dirkx | 0:a259777c45a3 | 59 | } |
| dirkx | 0:a259777c45a3 | 60 | |
| dirkx | 0:a259777c45a3 | 61 | int HTTPStream::read(char* buf, int len) |
| dirkx | 0:a259777c45a3 | 62 | { |
| dirkx | 0:a259777c45a3 | 63 | return 0; //Unsupported yet |
| dirkx | 0:a259777c45a3 | 64 | } |
| dirkx | 0:a259777c45a3 | 65 | |
| dirkx | 0:a259777c45a3 | 66 | int HTTPStream::write(const char* buf, int len) |
| dirkx | 0:a259777c45a3 | 67 | { |
| dirkx | 0:a259777c45a3 | 68 | if(!m_buf) |
| dirkx | 0:a259777c45a3 | 69 | return 0; |
| dirkx | 0:a259777c45a3 | 70 | len = MIN( m_size - m_len, len ); |
| dirkx | 0:a259777c45a3 | 71 | memcpy(m_buf + m_len, buf, len); |
| dirkx | 0:a259777c45a3 | 72 | m_len += len; |
| dirkx | 0:a259777c45a3 | 73 | return len; |
| dirkx | 0:a259777c45a3 | 74 | } |
| dirkx | 0:a259777c45a3 | 75 | |
| dirkx | 0:a259777c45a3 | 76 | string HTTPStream::getDataType() //Internet media type for Content-Type header |
| dirkx | 0:a259777c45a3 | 77 | { |
| dirkx | 0:a259777c45a3 | 78 | return ""; |
| dirkx | 0:a259777c45a3 | 79 | } |
| dirkx | 0:a259777c45a3 | 80 | |
| dirkx | 0:a259777c45a3 | 81 | void HTTPStream::setDataType(const string& type) //Internet media type from Content-Type header |
| dirkx | 0:a259777c45a3 | 82 | { |
| dirkx | 0:a259777c45a3 | 83 | //Do not really care here |
| dirkx | 0:a259777c45a3 | 84 | } |
| dirkx | 0:a259777c45a3 | 85 | |
| dirkx | 0:a259777c45a3 | 86 | bool HTTPStream::getIsChunked() //For Transfer-Encoding header |
| dirkx | 0:a259777c45a3 | 87 | { |
| dirkx | 0:a259777c45a3 | 88 | return false; //We don't want to chunk this |
| dirkx | 0:a259777c45a3 | 89 | } |
| dirkx | 0:a259777c45a3 | 90 | |
| dirkx | 0:a259777c45a3 | 91 | void HTTPStream::setIsChunked(bool chunked) //From Transfer-Encoding header |
| dirkx | 0:a259777c45a3 | 92 | { |
| dirkx | 0:a259777c45a3 | 93 | //Nothing to do |
| dirkx | 0:a259777c45a3 | 94 | } |
| dirkx | 0:a259777c45a3 | 95 | |
| dirkx | 0:a259777c45a3 | 96 | int HTTPStream::getDataLen() //For Content-Length header |
| dirkx | 0:a259777c45a3 | 97 | { |
| dirkx | 0:a259777c45a3 | 98 | return 0; |
| dirkx | 0:a259777c45a3 | 99 | } |
| dirkx | 0:a259777c45a3 | 100 | |
| dirkx | 0:a259777c45a3 | 101 | void HTTPStream::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length |
| dirkx | 0:a259777c45a3 | 102 | { |
| dirkx | 0:a259777c45a3 | 103 | |
| dirkx | 0:a259777c45a3 | 104 | } |