mbed.org implementation of the abstract SmartREST library for the Cumulocity Platform SmartREST protocol.
Dependents: MbedSmartRestMain MbedSmartRestMain
MbedDataSink.cpp@13:aba98ad2ac1b, 2014-11-15 (annotated)
- Committer:
- Cumulocity
- Date:
- Sat Nov 15 12:21:41 2014 +0100
- Revision:
- 13:aba98ad2ac1b
- Parent:
- 0:099f76422485
Updated from revision 0b898f0efc6d
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Cumulocity | 0:099f76422485 | 1 | /* |
Cumulocity | 0:099f76422485 | 2 | * MbedDataSink.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 "MbedDataSink.h" |
Cumulocity | 0:099f76422485 | 30 | #include "MbedClient.h" |
Cumulocity | 0:099f76422485 | 31 | #include <stdlib.h> |
Cumulocity | 0:099f76422485 | 32 | #include <string.h> |
Cumulocity | 0:099f76422485 | 33 | |
Cumulocity | 0:099f76422485 | 34 | #include "mbed.h" |
Cumulocity | 0:099f76422485 | 35 | |
Cumulocity | 0:099f76422485 | 36 | MbedDataSink::MbedDataSink(TCPSocketConnection& sock) : _len(0), _sock(sock) |
Cumulocity | 0:099f76422485 | 37 | { |
Cumulocity | 0:099f76422485 | 38 | } |
Cumulocity | 0:099f76422485 | 39 | |
Cumulocity | 0:099f76422485 | 40 | MbedDataSink::~MbedDataSink() |
Cumulocity | 0:099f76422485 | 41 | { |
Cumulocity | 0:099f76422485 | 42 | } |
Cumulocity | 0:099f76422485 | 43 | |
Cumulocity | 0:099f76422485 | 44 | size_t MbedDataSink::write(char c) |
Cumulocity | 0:099f76422485 | 45 | { |
Cumulocity | 0:099f76422485 | 46 | while (MBED_SINK_BUFFER_SIZE - _len < 1) { |
Cumulocity | 0:099f76422485 | 47 | if (!send()) |
Cumulocity | 0:099f76422485 | 48 | return 0; |
Cumulocity | 0:099f76422485 | 49 | } |
Cumulocity | 0:099f76422485 | 50 | |
Cumulocity | 0:099f76422485 | 51 | _buf[_len++] = c; |
Cumulocity | 0:099f76422485 | 52 | return 1; |
Cumulocity | 0:099f76422485 | 53 | } |
Cumulocity | 0:099f76422485 | 54 | |
Cumulocity | 0:099f76422485 | 55 | size_t MbedDataSink::write(void *buf, size_t length) |
Cumulocity | 0:099f76422485 | 56 | { |
Cumulocity | 0:099f76422485 | 57 | size_t sent = 0, len; |
Cumulocity | 0:099f76422485 | 58 | |
Cumulocity | 0:099f76422485 | 59 | while (sent < length) { |
Cumulocity | 0:099f76422485 | 60 | while (MBED_SINK_BUFFER_SIZE - _len < 1) { |
Cumulocity | 0:099f76422485 | 61 | if (!send()) |
Cumulocity | 0:099f76422485 | 62 | return 0; |
Cumulocity | 0:099f76422485 | 63 | } |
Cumulocity | 0:099f76422485 | 64 | |
Cumulocity | 0:099f76422485 | 65 | if (MBED_SINK_BUFFER_SIZE - _len >= length-sent) |
Cumulocity | 0:099f76422485 | 66 | len = length-sent; |
Cumulocity | 0:099f76422485 | 67 | else |
Cumulocity | 0:099f76422485 | 68 | len = MBED_SINK_BUFFER_SIZE - _len; |
Cumulocity | 0:099f76422485 | 69 | |
Cumulocity | 0:099f76422485 | 70 | memcpy(_buf+_len, (char*)buf+sent, len); |
Cumulocity | 0:099f76422485 | 71 | _len += len; |
Cumulocity | 0:099f76422485 | 72 | sent += len; |
Cumulocity | 0:099f76422485 | 73 | } |
Cumulocity | 0:099f76422485 | 74 | |
Cumulocity | 0:099f76422485 | 75 | return length; |
Cumulocity | 0:099f76422485 | 76 | } |
Cumulocity | 0:099f76422485 | 77 | |
Cumulocity | 0:099f76422485 | 78 | size_t MbedDataSink::write(const char *str) |
Cumulocity | 0:099f76422485 | 79 | { |
Cumulocity | 0:099f76422485 | 80 | return write((void*)str, strlen(str)); |
Cumulocity | 0:099f76422485 | 81 | } |
Cumulocity | 0:099f76422485 | 82 | |
Cumulocity | 0:099f76422485 | 83 | size_t MbedDataSink::write(unsigned long number) |
Cumulocity | 0:099f76422485 | 84 | { |
Cumulocity | 0:099f76422485 | 85 | char str[24]; |
Cumulocity | 0:099f76422485 | 86 | |
Cumulocity | 0:099f76422485 | 87 | snprintf(str, 24, "%lu", number); |
Cumulocity | 0:099f76422485 | 88 | return write(str); |
Cumulocity | 0:099f76422485 | 89 | } |
Cumulocity | 0:099f76422485 | 90 | |
Cumulocity | 0:099f76422485 | 91 | bool MbedDataSink::flush() |
Cumulocity | 0:099f76422485 | 92 | { |
Cumulocity | 0:099f76422485 | 93 | while (_len > 0) { |
Cumulocity | 0:099f76422485 | 94 | if (!send()) |
Cumulocity | 0:099f76422485 | 95 | return false; |
Cumulocity | 0:099f76422485 | 96 | } |
Cumulocity | 0:099f76422485 | 97 | |
Cumulocity | 0:099f76422485 | 98 | return true; |
Cumulocity | 0:099f76422485 | 99 | } |
Cumulocity | 0:099f76422485 | 100 | |
Cumulocity | 0:099f76422485 | 101 | bool MbedDataSink::send() |
Cumulocity | 0:099f76422485 | 102 | { |
Cumulocity | 0:099f76422485 | 103 | int ret; |
Cumulocity | 0:099f76422485 | 104 | |
Cumulocity | 0:099f76422485 | 105 | if (!_sock.is_connected()) |
Cumulocity | 0:099f76422485 | 106 | return false; |
Cumulocity | 0:099f76422485 | 107 | |
Cumulocity | 0:099f76422485 | 108 | _sock.set_blocking(true); |
Cumulocity | 0:099f76422485 | 109 | ret = _sock.send(_buf, _len); |
Cumulocity | 0:099f76422485 | 110 | |
Cumulocity | 0:099f76422485 | 111 | //TODO: fix bug in u-blox so no longer wait is needed |
Cumulocity | 0:099f76422485 | 112 | wait(0.5); |
Cumulocity | 0:099f76422485 | 113 | |
Cumulocity | 0:099f76422485 | 114 | if (ret < 0){ |
Cumulocity | 0:099f76422485 | 115 | puts("Send failed."); |
Cumulocity | 0:099f76422485 | 116 | return false; |
Cumulocity | 0:099f76422485 | 117 | } |
Cumulocity | 0:099f76422485 | 118 | |
Cumulocity | 0:099f76422485 | 119 | // move rest of buffer |
Cumulocity | 0:099f76422485 | 120 | if ((ret > 0) && (ret < _len)) |
Cumulocity | 0:099f76422485 | 121 | memmove(_buf, _buf+ret, _len-ret); |
Cumulocity | 0:099f76422485 | 122 | |
Cumulocity | 0:099f76422485 | 123 | _len -= ret; |
Cumulocity | 0:099f76422485 | 124 | return true; |
Cumulocity | 0:099f76422485 | 125 | } |
Cumulocity | 0:099f76422485 | 126 | |
Cumulocity | 0:099f76422485 | 127 | void MbedDataSink::reset() |
Cumulocity | 0:099f76422485 | 128 | { |
Cumulocity | 0:099f76422485 | 129 | _len = 0; |
Cumulocity | 0:099f76422485 | 130 | } |