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!8 更新readme文件,优化vlang的lock

tags/v1.2
微希夷 yitter 4 years ago
parent
commit
ddaa1d628a
11 changed files with 163 additions and 121 deletions
  1. +2
    -3
      PHP/README.md
  2. +37
    -0
      zzz-OtherLanguages/V/README.md
  3. +1
    -1
      zzz-OtherLanguages/V/source/contract/IIdGenerator.v
  4. +2
    -2
      zzz-OtherLanguages/V/source/contract/ISnowWorker.v
  5. +9
    -9
      zzz-OtherLanguages/V/source/contract/IdGeneratorOptions.v
  6. +44
    -45
      zzz-OtherLanguages/V/source/core/SnowWorkerM1.v
  7. +24
    -24
      zzz-OtherLanguages/V/source/core/SnowWorkerM2.v
  8. +19
    -21
      zzz-OtherLanguages/V/source/gen/DefaultIdGenerator.v
  9. +8
    -2
      zzz-OtherLanguages/V/source/gen/YitIdHelper.v
  10. BIN
      zzz-OtherLanguages/V/source/test
  11. +17
    -14
      zzz-OtherLanguages/V/source/test.v

+ 2
- 3
PHP/README.md View File

@@ -25,9 +25,8 @@ make install
//snowdrift.ini
snowdrift.Method=1 //1 漂移算法 2 传统算法
snowdrift.BaseTime=1582136402000
snowdrift.WorkerId=1 //默认workerid
snowdrift.WorkerIdNum=1 //支持的WorkerId数量,默认1,不超过(-1L << snowdrift.WorkerIdBitLength) ^ -1L
snowdrift.WorkerIdBitLength=6
snowdrift.WorkerId=1 //默认workerid,支持参数传递改变实际使用的值,范围1~(-1L << snowdrift.WorkerIdBitLength) ^ -1L
snowdrift.WorkerIdBitLength=6 //WorkerId位数,默认6。
snowdrift.SeqBitLength=6 //自增序号位数
snowdrift.MaxSeqNumber=0
snowdrift.MinSeqNumber=0


+ 37
- 0
zzz-OtherLanguages/V/README.md View File

@@ -1,3 +1,40 @@
# ❄ idgenerator-V

## 介绍

项目更多介绍参照:https://github.com/yitter/idgenerator

## 运行环境

```sh
$ v --enable-globals run test.v
```

## 调用示例(V)

第1步,**全局** 初始化(应用程序启动时执行一次):
```v ignore
// 定义全局变量
__global ( idgen gen.YitIdHelper ) //定义全局变量

// 使用默认参数配置
idgen = gen.YitIdHelper{
id_gen: gen.make_generator(&contract.IdGeneratorOptions{})
}

// 更改配置参数
idgen.set_id_generator(&contract.IdGeneratorOptions{
method: 1
base_time: 1582136402000
workerid_bitlength: 6
seq_bitlength: 10
})

//以上配置全局一次
```

第2步,生成ID:
```v ignore
// 初始化以后,即可在任何需要生成ID的地方,调用以下方法:
newId := idgen.next_id()
```

+ 1
- 1
zzz-OtherLanguages/V/source/contract/IIdGenerator.v View File

@@ -2,4 +2,4 @@ module contract

pub interface IIdGenerator {
new_long() u64
}
}

+ 2
- 2
zzz-OtherLanguages/V/source/contract/ISnowWorker.v View File

@@ -1,5 +1,5 @@
module contract

pub interface ISnowWorker {
pub interface ISnowWorker {
next_id() u64
}
}

+ 9
- 9
zzz-OtherLanguages/V/source/contract/IdGeneratorOptions.v View File

@@ -2,12 +2,12 @@ module contract

pub struct IdGeneratorOptions {
pub mut:
method u16 =1// 雪花计算方法,(1-漂移算法|2-传统算法),默认1
base_time i64// 基础时间,不能超过当前系统时间
worker_id u16 =1// 机器码,与 workerid_bitlength 有关系
workerid_bitlength byte=6// 机器码位长,范围:1-21(要求:序列数位长+机器码位长不超过22)
seq_bitlength byte=6// 序列数位长,范围:2-21(要求:序列数位长+机器码位长不超过22)
max_seqnumber u32// 最大序列数(含),(由seq_bitlength计算的最大值)
min_seqnumber u32// 最小序列数(含),默认5,不小于1,不大于max_seqnumber
top_over_cost_count u32 =2000// 最大漂移次数(含),默认2000,推荐范围500-10000(与计算能力有关)
}
method u16 = 1 // 雪花计算方法,(1-漂移算法|2-传统算法),默认1
base_time i64 = 1582136402000 // 基础时间,不能超过当前系统时间
worker_id u16 = 1 // 机器码,与 workerid_bitlength 有关系
workerid_bitlength byte = 6 // 机器码位长,范围:1-21(要求:序列数位长+机器码位长不超过22)
seq_bitlength byte = 6 // 序列数位长,范围:2-21(要求:序列数位长+机器码位长不超过22)
max_seqnumber u32 = 0 // 最大序列数(含),(由seq_bitlength计算的最大值)
min_seqnumber u32 = 0 // 最小序列数(含),默认5,不小于1,不大于max_seqnumber
top_over_cost_count u32 = 2000 // 最大漂移次数(含),默认2000,推荐范围500-10000(与计算能力有关)
}

+ 44
- 45
zzz-OtherLanguages/V/source/core/SnowWorkerM1.v View File

@@ -2,52 +2,50 @@ module core

import contract
import time
import sync

pub struct SnowWorkerM1{
pub struct SnowWorkerM1 {
mut:
method u16 // 雪花计算方法,(1-漂移算法|2-传统算法),默认1
base_time i64 // 基础时间,不能超过当前系统时间
worker_id u16 // 机器码,与 workerid_bitlength 有关系
workerid_bitlength byte// 机器码位长,范围:1-21(要求:序列数位长+机器码位长不超过22)
seq_bitlength byte// 序列数位长,范围:2-21(要求:序列数位长+机器码位长不超过22)
max_seqnumber u32 // 最大序列数(含),(由seq_bitlength计算的最大值)
min_seqnumber u32 // 最小序列数(含),默认5,不小于1,不大于max_seqnumber
top_over_cost_count u32 // 最大漂移次数(含),默认2000,推荐范围500-10000(与计算能力有关)
timestamp_shift byte
current_seqnumber u32
last_time_tick i64
turn_back_timetick i64
turnback_index byte
is_over_cost bool
method u16 // 雪花计算方法,(1-漂移算法|2-传统算法),默认1
base_time i64 // 基础时间,不能超过当前系统时间
worker_id u16 // 机器码,与 workerid_bitlength 有关系
workerid_bitlength byte // 机器码位长,范围:1-21(要求:序列数位长+机器码位长不超过22)
seq_bitlength byte // 序列数位长,范围:2-21(要求:序列数位长+机器码位长不超过22)
max_seqnumber u32 // 最大序列数(含),(由seq_bitlength计算的最大值)
min_seqnumber u32 // 最小序列数(含),默认5,不小于1,不大于max_seqnumber
top_over_cost_count u32 // 最大漂移次数(含),默认2000,推荐范围500-10000(与计算能力有关)
timestamp_shift byte
current_seqnumber u32
last_time_tick i64
turn_back_timetick i64
turnback_index byte
is_over_cost bool
overcostcount_inoneterm u32
gencount_inoneterm u32
term_index u32
mu sync.Mutex
gencount_inoneterm u32
term_index u32
}

pub fn make_sf_m1(options &contract.IdGeneratorOptions) &contract.ISnowWorker{
pub fn make_sf_m1(options &contract.IdGeneratorOptions) &contract.ISnowWorker {
worker_id := options.worker_id

mut workerid_bitlength:=byte(6)
mut workerid_bitlength := byte(6)
if options.workerid_bitlength != 0 {
workerid_bitlength = options.workerid_bitlength
}
mut seq_bitlength:=byte(6)
mut seq_bitlength := byte(6)
if options.seq_bitlength != 0 {
seq_bitlength = options.seq_bitlength
}
mut max_seqnumber:=u32(0)
mut max_seqnumber := u32(0)
if options.max_seqnumber > 0 {
max_seqnumber = options.max_seqnumber
} else {
max_seqnumber = (1<<options.seq_bitlength) - 1
max_seqnumber = (1 << options.seq_bitlength) - 1
}
min_seqnumber := options.min_seqnumber
top_over_cost_count := options.top_over_cost_count

mut base_time:=i64(0)
mut base_time := i64(0)
if options.base_time != 0 {
base_time = options.base_time
} else {
@@ -56,15 +54,16 @@ pub fn make_sf_m1(options &contract.IdGeneratorOptions) &contract.ISnowWorker{
timestamp_shift := byte(options.workerid_bitlength + options.seq_bitlength)
current_seqnumber := options.min_seqnumber
return &SnowWorkerM1{
base_time: base_time,
worker_id: worker_id,
workerid_bitlength: workerid_bitlength,
seq_bitlength: seq_bitlength,
max_seqnumber: max_seqnumber,
min_seqnumber: min_seqnumber,
top_over_cost_count: top_over_cost_count,
timestamp_shift: timestamp_shift,
current_seqnumber: current_seqnumber}
base_time: base_time
worker_id: worker_id
workerid_bitlength: workerid_bitlength
seq_bitlength: seq_bitlength
max_seqnumber: max_seqnumber
min_seqnumber: min_seqnumber
top_over_cost_count: top_over_cost_count
timestamp_shift: timestamp_shift
current_seqnumber: current_seqnumber
}
}

// fn (m1 SnowWorkerM1) do_gen_id_action(arg &contract.over_cost_action_arg) {
@@ -162,13 +161,13 @@ fn (mut m1 SnowWorkerM1) next_normal_id() u64 {
}

fn (mut m1 SnowWorkerM1) calc_id() u64 {
result := u64(m1.last_time_tick<<m1.timestamp_shift) | u64(m1.worker_id<<m1.seq_bitlength) | u64(m1.current_seqnumber)
result := u64(m1.last_time_tick << m1.timestamp_shift) | u64(m1.worker_id << m1.seq_bitlength) | u64(m1.current_seqnumber)
m1.current_seqnumber++
return result
}

fn (mut m1 SnowWorkerM1) calc_turn_back_id() u64 {
result := u64(m1.turn_back_timetick<<m1.timestamp_shift) | u64(m1.worker_id<<m1.seq_bitlength) | u64(m1.turnback_index)
result := u64(m1.turn_back_timetick << m1.timestamp_shift) | u64(m1.worker_id << m1.seq_bitlength) | u64(m1.turnback_index)
m1.turn_back_timetick--
return result
}
@@ -186,13 +185,13 @@ fn (m1 &SnowWorkerM1) get_next_time_tick() i64 {
}

pub fn (mut m1 SnowWorkerM1) next_id() u64 {
m1.mu.@lock()
mut id:=u64(0)
if m1.is_over_cost {
id= m1.next_over_cost_id()
} else {
id= m1.next_normal_id()
mut id := u64(0)
lock {
if m1.is_over_cost {
id = m1.next_over_cost_id()
} else {
id = m1.next_normal_id()
}
}
m1.mu.unlock()
return id
}
}

+ 24
- 24
zzz-OtherLanguages/V/source/core/SnowWorkerM2.v View File

@@ -2,37 +2,37 @@ module core

import contract

struct SnowWorkerM2{
struct SnowWorkerM2 {
SnowWorkerM1
}

pub fn make_sf_m2(options &contract.IdGeneratorOptions) &contract.ISnowWorker{
m1:=make_sf_m1(options)
if m1 is SnowWorkerM1{
return &SnowWorkerM2{
m1
}
pub fn make_sf_m2(options &contract.IdGeneratorOptions) &contract.ISnowWorker {
m1 := make_sf_m1(options)
if m1 is SnowWorkerM1 {
return &SnowWorkerM2{m1}
}
return &SnowWorkerM2{}
}

pub fn (mut m2 SnowWorkerM2) next_id()u64{
m2.mu.@lock()
mut current_time_tick:=m2.get_current_time_tick()
if m2.last_time_tick==current_time_tick{
m2.current_seqnumber=(m2.current_seqnumber+1) & m2.max_seqnumber
if m2.current_seqnumber==0{
m2.current_seqnumber=m2.min_seqnumber
current_time_tick=m2.get_next_time_tick()
pub fn (mut m2 SnowWorkerM2) next_id() u64 {
mut id := u64(0)
lock {
mut current_time_tick := m2.get_current_time_tick()
if m2.last_time_tick == current_time_tick {
m2.current_seqnumber = (m2.current_seqnumber + 1) & m2.max_seqnumber
if m2.current_seqnumber == 0 {
m2.current_seqnumber = m2.min_seqnumber
current_time_tick = m2.get_next_time_tick()
}
} else {
m2.current_seqnumber = m2.min_seqnumber
}
}else{
m2.current_seqnumber=m2.min_seqnumber
}
if current_time_tick < m2.last_time_tick {
println("Time error for "+(m2.last_time_tick-current_time_tick).str()+" milliseconds")
if current_time_tick < m2.last_time_tick {
println('Time error for ' + (m2.last_time_tick - current_time_tick).str() +
' milliseconds')
}
m2.last_time_tick = current_time_tick
id = u64(current_time_tick << m2.timestamp_shift) | u64(m2.worker_id << m2.seq_bitlength) | u64(m2.current_seqnumber)
}
m2.last_time_tick=current_time_tick
id:= u64(current_time_tick<<m2.timestamp_shift) | u64(m2.worker_id<<m2.seq_bitlength) | u64(m2.current_seqnumber)
m2.mu.unlock()
return id
}
}

+ 19
- 21
zzz-OtherLanguages/V/source/gen/DefaultIdGenerator.v View File

@@ -6,62 +6,60 @@ import time

pub struct DefaultIdGenerator {
mut:
options &contract.IdGeneratorOptions
snow_worker &contract.ISnowWorker
options &contract.IdGeneratorOptions
snow_worker &contract.ISnowWorker
}

pub fn make_generator(options &contract.IdGeneratorOptions) &DefaultIdGenerator {
min_time := i64(631123200000)
if options.base_time < min_time || options.base_time > time.now().unix_time_milli() {
panic("base_time error.")
if options.base_time < min_time || options.base_time > time.now().unix_time_milli() {
panic('base_time error.')
}

if options.seq_bitlength+options.workerid_bitlength > 22 {
panic("error:workerid_bitlength + seq_bitlength <= 22")
if options.seq_bitlength + options.workerid_bitlength > 22 {
panic('error:workerid_bitlength + seq_bitlength <= 22')
}

max_workerid_number := 1<<options.workerid_bitlength - 1
max_workerid_number := 1 << options.workerid_bitlength - 1
if options.worker_id > max_workerid_number {
panic("WorkerId error. (range:[1, " + max_workerid_number.str() + "]")
panic('WorkerId error. (range:[1, ' + max_workerid_number.str() + ']')
}

if options.seq_bitlength < 2 || options.seq_bitlength > 21 {
panic("seq_bitlength error. (range:[2, 21])")
panic('seq_bitlength error. (range:[2, 21])')
}

max_seqnumber := 1<<options.seq_bitlength - 1
max_seqnumber := 1 << options.seq_bitlength - 1
if options.max_seqnumber > max_seqnumber {
panic("MaxSeqNumber error. (range:[1, " + max_seqnumber.str() + "]")
panic('MaxSeqNumber error. (range:[1, ' + max_seqnumber.str() + ']')
}

if options.min_seqnumber > max_seqnumber {
panic("MinSeqNumber error. (range:[1, " + max_seqnumber.str() + "]")
panic('MinSeqNumber error. (range:[1, ' + max_seqnumber.str() + ']')
}

match options.method {
1 {
return &DefaultIdGenerator{
options: options,
snow_worker: core.make_sf_m1(options),
options: options
snow_worker: core.make_sf_m1(options)
}
}
2 {
return &DefaultIdGenerator{
options: options,
snow_worker: core.make_sf_m2(options),
options: options
snow_worker: core.make_sf_m2(options)
}
}
else {
return &DefaultIdGenerator{
options: options,
snow_worker: core.make_sf_m1(options),
options: options
snow_worker: core.make_sf_m1(options)
}
}
}


}

pub fn (mut dig DefaultIdGenerator) new_long() u64 {
return dig.snow_worker.next_id()
}
}

+ 8
- 2
zzz-OtherLanguages/V/source/gen/YitIdHelper.v View File

@@ -2,11 +2,17 @@ module gen

import contract

pub struct YitIdHelper {
pub struct YitIdHelper {
mut:
id_gen contract.IIdGenerator
}

pub fn (mut yih YitIdHelper) set_id_generator(options &contract.IdGeneratorOptions) {
lock {
yih.id_gen = make_generator(options)
}
}

pub fn (yih &YitIdHelper) next_id() u64 {
return yih.id_gen.new_long()
}
}

BIN
zzz-OtherLanguages/V/source/test View File


+ 17
- 14
zzz-OtherLanguages/V/source/test.v View File

@@ -1,31 +1,34 @@
module main

import time
import contract
import gen

fn main(){
// 方法一:直接采用默认方法生成一个Id
yid := gen.YitIdHelper{
id_gen: gen.make_generator(&contract.IdGeneratorOptions{
method: 1
base_time: 1582136402000
workerid_bitlength:6
seq_bitlength:6
})
__global ( idgen gen.YitIdHelper )

fn main() {
idgen = gen.YitIdHelper{
id_gen: gen.make_generator(&contract.IdGeneratorOptions{})
}
println(yid.next_id())
// 方法一:直接采用默认方法生成一个Id
println(idgen.next_id())

// 方法二:自定义参数
idgen.set_id_generator(&contract.IdGeneratorOptions{
method: 1
base_time: 1582136402000
workerid_bitlength: 6
seq_bitlength: 10
})

times := 50000

for {
begin := time.now().unix_time_milli()
for i := 0; i < times; i++ {
yid.next_id()
idgen.next_id()
}
end := time.now().unix_time_milli()
println("漂移,总共:"+times.str()+","+(end-begin).str()+" ms")
println('漂移,总共:' + times.str() + ',' + (end - begin).str() + ' ms')
time.sleep(1 * time.second)
}
}
}

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