A client for the SmartREST protocol from Cumulocity.
Fork of MbedSmartRest by
MbedDataSink.cpp@2:1038411466a6, 2014-01-24 (annotated)
- Committer:
- vwochnik
- Date:
- Fri Jan 24 11:39:32 2014 +0000
- Revision:
- 2:1038411466a6
- Child:
- 13:e76920d5e1ec
added abstraction
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
vwochnik | 2:1038411466a6 | 1 | #include "MbedDataSink.h" |
vwochnik | 2:1038411466a6 | 2 | #include <stdlib.h> |
vwochnik | 2:1038411466a6 | 3 | #include <stdio.h> |
vwochnik | 2:1038411466a6 | 4 | |
vwochnik | 2:1038411466a6 | 5 | MbedDataSink::MbedDataSink(size_t length) |
vwochnik | 2:1038411466a6 | 6 | { |
vwochnik | 2:1038411466a6 | 7 | _len = length; |
vwochnik | 2:1038411466a6 | 8 | _ptr = _buf = (char*)malloc(length); |
vwochnik | 2:1038411466a6 | 9 | } |
vwochnik | 2:1038411466a6 | 10 | |
vwochnik | 2:1038411466a6 | 11 | MbedDataSink::~MbedDataSink() |
vwochnik | 2:1038411466a6 | 12 | { |
vwochnik | 2:1038411466a6 | 13 | free(_buf); |
vwochnik | 2:1038411466a6 | 14 | } |
vwochnik | 2:1038411466a6 | 15 | |
vwochnik | 2:1038411466a6 | 16 | size_t MbedDataSink::write(char c) |
vwochnik | 2:1038411466a6 | 17 | { |
vwochnik | 2:1038411466a6 | 18 | if (_ptr - _buf == _len) |
vwochnik | 2:1038411466a6 | 19 | return 0; |
vwochnik | 2:1038411466a6 | 20 | *_ptr++ = c; |
vwochnik | 2:1038411466a6 | 21 | return 1; |
vwochnik | 2:1038411466a6 | 22 | } |
vwochnik | 2:1038411466a6 | 23 | |
vwochnik | 2:1038411466a6 | 24 | size_t MbedDataSink::write(void *buf, size_t length) |
vwochnik | 2:1038411466a6 | 25 | { |
vwochnik | 2:1038411466a6 | 26 | size_t written = 0; |
vwochnik | 2:1038411466a6 | 27 | char *b = (char*)buf; |
vwochnik | 2:1038411466a6 | 28 | |
vwochnik | 2:1038411466a6 | 29 | while ((length-- > 0) && (write(*b++))) |
vwochnik | 2:1038411466a6 | 30 | written++; |
vwochnik | 2:1038411466a6 | 31 | |
vwochnik | 2:1038411466a6 | 32 | return written; |
vwochnik | 2:1038411466a6 | 33 | } |
vwochnik | 2:1038411466a6 | 34 | |
vwochnik | 2:1038411466a6 | 35 | size_t MbedDataSink::write(const char *str) |
vwochnik | 2:1038411466a6 | 36 | { |
vwochnik | 2:1038411466a6 | 37 | size_t written = 0; |
vwochnik | 2:1038411466a6 | 38 | |
vwochnik | 2:1038411466a6 | 39 | for (char c, *p = (char*)str; (c = *p) > 0; ++p) { |
vwochnik | 2:1038411466a6 | 40 | if (!write(c)) |
vwochnik | 2:1038411466a6 | 41 | break; |
vwochnik | 2:1038411466a6 | 42 | written++; |
vwochnik | 2:1038411466a6 | 43 | } |
vwochnik | 2:1038411466a6 | 44 | return written; |
vwochnik | 2:1038411466a6 | 45 | } |
vwochnik | 2:1038411466a6 | 46 | |
vwochnik | 2:1038411466a6 | 47 | size_t MbedDataSink::write(unsigned long number) |
vwochnik | 2:1038411466a6 | 48 | { |
vwochnik | 2:1038411466a6 | 49 | size_t left, len; |
vwochnik | 2:1038411466a6 | 50 | |
vwochnik | 2:1038411466a6 | 51 | left = _len - (_ptr - _buf); |
vwochnik | 2:1038411466a6 | 52 | len = snprintf(_ptr, left, "%ld", number); |
vwochnik | 2:1038411466a6 | 53 | _ptr += len; |
vwochnik | 2:1038411466a6 | 54 | return len; |
vwochnik | 2:1038411466a6 | 55 | } |
vwochnik | 2:1038411466a6 | 56 | |
vwochnik | 2:1038411466a6 | 57 | const char * MbedDataSink::buffer() |
vwochnik | 2:1038411466a6 | 58 | { |
vwochnik | 2:1038411466a6 | 59 | return _buf; |
vwochnik | 2:1038411466a6 | 60 | } |
vwochnik | 2:1038411466a6 | 61 | |
vwochnik | 2:1038411466a6 | 62 | size_t MbedDataSink::length() |
vwochnik | 2:1038411466a6 | 63 | { |
vwochnik | 2:1038411466a6 | 64 | return _ptr - _buf; |
vwochnik | 2:1038411466a6 | 65 | } |