Own fork of MbedSmartRest
Dependents: MbedSmartRestMain MbedSmartRestMain
Fork of MbedSmartRest by
MbedDataSource.cpp@18:16192696c106, 2015-03-06 (annotated)
- Committer:
- xinlei
- Date:
- Fri Mar 06 10:37:09 2015 +0000
- Revision:
- 18:16192696c106
- Parent:
- 11:e1bee9a77652
- Child:
- 20:505d29d5bdfc
bugfix: workaround for nasty connection loss after 6 minutes
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Cumulocity | 0:099f76422485 | 1 | /* |
Cumulocity | 0:099f76422485 | 2 | * MbedDataSource.cpp |
Cumulocity | 0:099f76422485 | 3 | * |
Cumulocity | 0:099f76422485 | 4 | * Created on: Feb 1, 2013 |
Cumulocity | 0:099f76422485 | 5 | * * Authors: Vincent Wochnik <v.wochnik@gmail.com> |
Cumulocity | 0:099f76422485 | 6 | * |
Cumulocity | 0:099f76422485 | 7 | * Copyright (c) 2013 Cumulocity GmbH |
Cumulocity | 0:099f76422485 | 8 | * |
Cumulocity | 0:099f76422485 | 9 | * Permission is hereby granted, free of charge, to any person obtaining |
Cumulocity | 0:099f76422485 | 10 | * a copy of this software and associated documentation files (the |
Cumulocity | 0:099f76422485 | 11 | * "Software"), to deal in the Software without restriction, including |
Cumulocity | 0:099f76422485 | 12 | * without limitation the rights to use, copy, modify, merge, publish, |
Cumulocity | 0:099f76422485 | 13 | * distribute, sublicense, and/or sell copies of the Software, and to |
Cumulocity | 0:099f76422485 | 14 | * permit persons to whom the Software is furnished to do so, subject to |
Cumulocity | 0:099f76422485 | 15 | * the following conditions: |
Cumulocity | 0:099f76422485 | 16 | * |
Cumulocity | 0:099f76422485 | 17 | * The above copyright notice and this permission notice shall be |
Cumulocity | 0:099f76422485 | 18 | * included in all copies or substantial portions of the Software. |
Cumulocity | 0:099f76422485 | 19 | * |
Cumulocity | 0:099f76422485 | 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
Cumulocity | 0:099f76422485 | 21 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
Cumulocity | 0:099f76422485 | 22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
Cumulocity | 0:099f76422485 | 23 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
Cumulocity | 0:099f76422485 | 24 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
Cumulocity | 0:099f76422485 | 25 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
Cumulocity | 0:099f76422485 | 26 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Cumulocity | 0:099f76422485 | 27 | */ |
Cumulocity | 0:099f76422485 | 28 | |
Cumulocity | 0:099f76422485 | 29 | #include "MbedDataSource.h" |
Cumulocity | 0:099f76422485 | 30 | #include "stdio.h" |
Cumulocity | 0:099f76422485 | 31 | |
Cumulocity | 11:e1bee9a77652 | 32 | MbedDataSource::MbedDataSource(TCPSocketConnection& sock) : |
Cumulocity | 11:e1bee9a77652 | 33 | _sock(sock), |
Cumulocity | 11:e1bee9a77652 | 34 | _timeout(0), |
Cumulocity | 11:e1bee9a77652 | 35 | _isTimedOut(false) |
Cumulocity | 0:099f76422485 | 36 | { |
Cumulocity | 0:099f76422485 | 37 | _offset = _len = 0; |
Cumulocity | 0:099f76422485 | 38 | } |
Cumulocity | 0:099f76422485 | 39 | |
Cumulocity | 0:099f76422485 | 40 | MbedDataSource::~MbedDataSource() |
Cumulocity | 0:099f76422485 | 41 | { |
Cumulocity | 0:099f76422485 | 42 | } |
Cumulocity | 0:099f76422485 | 43 | |
Cumulocity | 0:099f76422485 | 44 | char MbedDataSource::read() |
Cumulocity | 0:099f76422485 | 45 | { |
Cumulocity | 0:099f76422485 | 46 | while (_offset == _len) { |
xinlei | 18:16192696c106 | 47 | if (!receive()) { |
Cumulocity | 0:099f76422485 | 48 | return 0; |
xinlei | 18:16192696c106 | 49 | } |
Cumulocity | 0:099f76422485 | 50 | } |
Cumulocity | 0:099f76422485 | 51 | |
Cumulocity | 0:099f76422485 | 52 | return _buf[_offset++]; |
Cumulocity | 0:099f76422485 | 53 | } |
Cumulocity | 0:099f76422485 | 54 | |
Cumulocity | 0:099f76422485 | 55 | uint8_t MbedDataSource::status() |
Cumulocity | 0:099f76422485 | 56 | { |
Cumulocity | 0:099f76422485 | 57 | if (!_sock.is_connected()) |
Cumulocity | 0:099f76422485 | 58 | return DS_STATUS_CLOSED; |
Cumulocity | 0:099f76422485 | 59 | |
Cumulocity | 11:e1bee9a77652 | 60 | if (_isTimedOut) |
Cumulocity | 0:099f76422485 | 61 | return DS_STATUS_TIMEOUT; |
Cumulocity | 0:099f76422485 | 62 | |
Cumulocity | 0:099f76422485 | 63 | return DS_STATUS_OK; |
Cumulocity | 0:099f76422485 | 64 | } |
Cumulocity | 0:099f76422485 | 65 | |
Cumulocity | 11:e1bee9a77652 | 66 | void MbedDataSource::setTimeout(size_t timeout) |
Cumulocity | 11:e1bee9a77652 | 67 | { |
Cumulocity | 11:e1bee9a77652 | 68 | _timeout = timeout; |
Cumulocity | 11:e1bee9a77652 | 69 | } |
Cumulocity | 11:e1bee9a77652 | 70 | |
Cumulocity | 0:099f76422485 | 71 | bool MbedDataSource::receive() |
Cumulocity | 0:099f76422485 | 72 | { |
Cumulocity | 0:099f76422485 | 73 | if (status() != DS_STATUS_OK) |
Cumulocity | 0:099f76422485 | 74 | return false; |
Cumulocity | 0:099f76422485 | 75 | |
xinlei | 18:16192696c106 | 76 | // _sock.set_blocking(true, _timeout); |
xinlei | 18:16192696c106 | 77 | _sock.set_blocking(false, 300000); |
xinlei | 18:16192696c106 | 78 | int ret = _sock.receive(_buf, MBED_SOURCE_BUFFER_SIZE); |
Cumulocity | 0:099f76422485 | 79 | |
xinlei | 18:16192696c106 | 80 | if (ret <= 0) { |
Cumulocity | 11:e1bee9a77652 | 81 | _isTimedOut = true; |
Cumulocity | 0:099f76422485 | 82 | return false; |
Cumulocity | 0:099f76422485 | 83 | } |
Cumulocity | 0:099f76422485 | 84 | |
Cumulocity | 0:099f76422485 | 85 | _len = (size_t)ret; |
Cumulocity | 0:099f76422485 | 86 | _offset = 0; |
Cumulocity | 0:099f76422485 | 87 | |
Cumulocity | 0:099f76422485 | 88 | return true; |
Cumulocity | 0:099f76422485 | 89 | } |
Cumulocity | 0:099f76422485 | 90 | |
Cumulocity | 0:099f76422485 | 91 | void MbedDataSource::reset() |
Cumulocity | 0:099f76422485 | 92 | { |
Cumulocity | 0:099f76422485 | 93 | _len = _offset = 0; |
Cumulocity | 11:e1bee9a77652 | 94 | _isTimedOut = false; |
Cumulocity | 0:099f76422485 | 95 | } |