FluentLogger: fluent-logger-mbed A structured logger for Fluentd (mbed)
Dependents: FluentLogger_Hello SNIC-FluentLogger-example
FluentLogger
What is this ?
You can logging to Fluentd server.
This library included subset of MassagePack library.
Supported MessagePack formats(encode only)
format name | first byte (in hex) |
---|---|
positive fixint | 0x00 - 0x7f |
fixmap | 0x80 - 0x8f |
fixarray | 0x90 - 0x9f |
fixstr | 0xa0 - 0xbf |
nil | 0xc0 |
false | 0xc2 |
true | 0xc3 |
float 32 | 0xca |
float 64 | 0xcb |
uint 8 | 0xcc |
uint 16 | 0xcd |
uint 32 | 0xce |
uint 64 | 0xcf |
int 8 | 0xd0 |
int 16 | 0xd1 |
int 32 | 0xd2 |
int 64 | 0xd3 |
str 8 | 0xd9 |
negative fixint | 0xe0 - 0xff |
これは何?
Fluentd サーバにログを送信するためのライブラリです。
サブセット版のMassagePackライブラリも同梱しています。
サーバ側ダウン時の再接続機能は限定的に実装されています。 現時点での実装は送信時に切断を検知し、次回送信時に再接続する仕様です。
Diff: uMP.cpp
- Revision:
- 0:b4815a079a4b
- Child:
- 1:6b1268731465
diff -r 000000000000 -r b4815a079a4b uMP.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uMP.cpp Tue Nov 11 02:14:44 2014 +0000 @@ -0,0 +1,309 @@ +/* uMP - micro MessagePack class + * Copyright (c) 2014 Yuuichi Akagawa + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "mbed.h" +#include "uMP.h" + +uMP::uMP() : +_ptr(0), _nbuf(DEFAULT_BUFFSIZE) +{ + _buf = new uint8_t[_nbuf]; +} + +uMP::uMP(uint32_t size) : +_ptr(0), _nbuf(size) +{ + _buf = new uint8_t[_nbuf]; +} + +uMP::~uMP() +{ + delete[] _buf; +} + +/* MessagePack funcions (Subset) */ +bool uMP::set_nil() +{ + return set_buffer(TAG_NIL); +} + +bool uMP::set_true() +{ + return set_buffer(TAG_TRUE); +} + +bool uMP::set_false() +{ + return set_buffer(TAG_FALSE); +} + +bool uMP::set_array(uint32_t size) +{ + if (size <= 0x0f) { + return set_buffer((uint8_t)(TAG_FIXARRAY | size)); + } + return false; +} + +bool uMP::set_map(uint32_t size) +{ + if (size <= 0x0f) { + return set_buffer((uint8_t)(TAG_FIXMAP | size)); + } +#if 0 + if (size <= 0xffff) { + return cmp_write_map16(ctx, size); + } +#endif + return false; +} + +bool uMP::set_uint(uint32_t u) +{ + if (u <= 0x7f) { + return set_buffer((uint8_t)u); + } + if (u <= 0xff) { + return set_u8((uint8_t)u); + } + if (u <= 0xffff) { + return set_u16((uint16_t)u); + } + if (u <= 0xffffffff) { + return set_u32(u); + } + return false; +} + +bool uMP::set_u8(uint8_t u) +{ + if (!set_buffer((uint8_t)TAG_U8)) { + return false; + } + return set_buffer(u); +} + +bool uMP::set_u16(uint16_t u) +{ + if (!set_buffer((uint8_t)TAG_U16)) { + return false; + } + + u = to_be16(u); + return set_buffer((uint8_t*)&u, sizeof(uint16_t)); +} + +bool uMP::set_u32(uint32_t u) +{ + if (!set_buffer((uint8_t)TAG_U32)) { + return false; + } + + u = to_be32(u); + return set_buffer((uint8_t*)&u, sizeof(uint32_t)); +} + +bool uMP::set_u64(uint64_t u) +{ + if (!set_buffer((uint8_t)TAG_U64)) { + return false; + } + + u = to_be64(u); + return set_buffer((uint8_t*)&u, sizeof(uint64_t)); +} + +bool uMP::set_sint(int32_t i) +{ + if (i >=0) { + return set_uint((uint32_t)i); + } + if (i >= -32) { + return set_buffer((uint8_t)i); + } + if (i >= -128) { + return set_s8(i); + } + if (i >= -32768) { + return set_s16(i); + } + if (i >= -2147483648) { + return set_s32(i); + } + return false; +} + +bool uMP::set_s8(int8_t i) +{ + if (!set_buffer((uint8_t)TAG_S8)) { + return false; + } + return set_buffer((uint8_t)i); +} + +bool uMP::set_s16(int16_t i) +{ + if (!set_buffer((uint8_t)TAG_S16)) { + return false; + } + + i = to_be16(i); + return set_buffer((uint8_t*)&i, sizeof(int16_t)); +} + +bool uMP::set_s32(int32_t i) +{ + if (!set_buffer((uint8_t)TAG_S32)) { + return false; + } + + i = to_be32(i); + return set_buffer((uint8_t*)&i, sizeof(int32_t)); +} + +bool uMP::set_s64(int64_t i) +{ + if (!set_buffer((uint8_t)TAG_S64)) { + return false; + } + + i = to_be64(i); + return set_buffer((uint8_t*)&i, sizeof(int64_t)); +} + +bool uMP::set_str(const char *data, uint32_t size) +{ + if (size <= 0x1f) { + return set_fixstr(data, size); + } + if (size <= 0xff) { + return set_str8(data, size); + } + return false; +} + +bool uMP::set_fixstr(const char *data, uint8_t size) +{ + if (size > 0x1f) { + return false; + } + if (!set_buffer((uint8_t)(TAG_FIXSTR | size))) { + return false; + } + if (!set_buffer((uint8_t*)data, size)) { + return false; + } + return true; +} + +bool uMP::set_str8(const char *data, uint8_t size) +{ + if (size > 0xff) { + return false; + } + if (!set_buffer((uint8_t)TAG_STR8)) { + return false; + } + if (!set_buffer((uint8_t)size)) { + return false; + } + if (!set_buffer((uint8_t*)data, size)) { + return false; + } + return true; +} + +bool uMP::set_raw(const char *data, uint8_t size) +{ + if (!set_buffer((uint8_t*)data, size)) { + return false; + } + return true; +} + +bool uMP::set_float(float f) +{ + if (!set_buffer((uint8_t)TAG_FLOAT32)) { + return false; + } + f = to_be32(f); + if (!set_buffer((uint8_t*)&f, sizeof(float))) { + return false; + } + return true; +} + +bool uMP::set_double(double d) +{ + if (!set_buffer((uint8_t)TAG_FLOAT64)) { + return false; + } + d = to_be64(d); + if (!set_buffer((uint8_t*)&d, sizeof(double))) { + return false; + } + return true; +} + +bool uMP::set_buffer(const uint8_t c) +{ + //buffer overflow? + if ( _ptr == _nbuf) { + return false; + } + *(_buf+_ptr) = c; + _ptr++; + return true; +} + +bool uMP::set_buffer(const uint8_t *c, size_t size) +{ + //buffer overflow? + if ( (_ptr+size) > _nbuf) { + return false; + } + while (size--) { + *(_buf+_ptr) = *c++; + _ptr++; + } + return true; +} + +//ByteOrder +template<typename T> T uMP::to_be16(T t) +{ + uint16_t *x = (uint16_t *)&t; + *x = __REV16(*x); + return t; +} + +template<typename T> T uMP::to_be32(T t) +{ + uint32_t *x = (uint32_t *)&t; + *x = __REV(*x); + return t; +} + +template<typename T> T uMP::to_be64(T t) +{ + uint32_t *x = (uint32_t *)&t; + uint32_t h = __REV(*x); + uint32_t l = __REV(*(x+1)); + //swap + *x = l; + *(x+1) = h; + return t; +}