From f96c6e704582614029124ea50487690a80b2b7e3 Mon Sep 17 00:00:00 2001 From: Ficoto <438500829@qq.com> Date: Sat, 8 May 2021 12:14:42 +0800 Subject: [PATCH] =?UTF-8?q?fix:=20=E6=94=B9=E6=88=90=E7=9B=B4=E6=8E=A5?= =?UTF-8?q?=E7=94=A8kratos=E7=9A=84=E7=BB=84=E4=BB=B6=EF=BC=8Climiter?= =?UTF-8?q?=E5=88=9D=E5=A7=8B=E5=8C=96=E9=80=BB=E8=BE=91=E8=B0=83=E6=95=B4?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- cpukit/README.md | 7 - cpukit/cgroup.go | 126 --------- cpukit/cgroupCPU.go | 250 ------------------ cpukit/cgroup_test.go | 11 - cpukit/cpu.go | 68 ----- cpukit/cpu_test.go | 22 -- cpukit/psutilCPU.go | 45 ---- cpukit/stat_test.go | 20 -- cpukit/util.go | 121 --------- go.mod | 7 +- go.sum | 180 ++++++++++++- group/README.md | 12 - group/example_test.go | 46 ---- group/group.go | 64 ----- group/group_test.go | 65 ----- metric/counter.go | 84 ------ metric/counter_test.go | 47 ---- metric/gauge.go | 94 ------- metric/gauge_test.go | 23 -- metric/histogram.go | 50 ---- metric/iterator.go | 26 -- metric/metric.go | 104 -------- metric/point_gauge.go | 61 ----- metric/point_gauge_test.go | 55 ---- metric/point_policy.go | 57 ---- metric/reduce.go | 77 ------ metric/reduce_test.go | 17 -- metric/rolling_counter.go | 75 ------ metric/rolling_counter_test.go | 156 ----------- metric/rolling_gauge.go | 62 ----- metric/rolling_gauge_test.go | 192 -------------- metric/rolling_policy.go | 100 ------- metric/rolling_policy_test.go | 67 ----- metric/window.go | 107 -------- metric/window_test.go | 68 ----- ratelimiter/bbr/bbr.go | 13 +- .../limitermiddleware/gin_middleware.go | 2 +- 37 files changed, 185 insertions(+), 2396 deletions(-) delete mode 100644 cpukit/README.md delete mode 100644 cpukit/cgroup.go delete mode 100644 cpukit/cgroupCPU.go delete mode 100644 cpukit/cgroup_test.go delete mode 100644 cpukit/cpu.go delete mode 100644 cpukit/cpu_test.go delete mode 100644 cpukit/psutilCPU.go delete mode 100644 cpukit/stat_test.go delete mode 100644 cpukit/util.go delete mode 100644 group/README.md delete mode 100644 group/example_test.go delete mode 100644 group/group.go delete mode 100644 group/group_test.go delete mode 100644 metric/counter.go delete mode 100644 metric/counter_test.go delete mode 100644 metric/gauge.go delete mode 100644 metric/gauge_test.go delete mode 100644 metric/histogram.go delete mode 100644 metric/iterator.go delete mode 100644 metric/metric.go delete mode 100644 metric/point_gauge.go delete mode 100644 metric/point_gauge_test.go delete mode 100644 metric/point_policy.go delete mode 100644 metric/reduce.go delete mode 100644 metric/reduce_test.go delete mode 100644 metric/rolling_counter.go delete mode 100644 metric/rolling_counter_test.go delete mode 100644 metric/rolling_gauge.go delete mode 100644 metric/rolling_gauge_test.go delete mode 100644 metric/rolling_policy.go delete mode 100644 metric/rolling_policy_test.go delete mode 100644 metric/window.go delete mode 100644 metric/window_test.go diff --git a/cpukit/README.md b/cpukit/README.md deleted file mode 100644 index 1028e9e..0000000 --- a/cpukit/README.md +++ /dev/null @@ -1,7 +0,0 @@ -## stat/sys - -System Information - -## 项目简介 - -获取Linux平台下的系统信息，包括cpu主频、cpu使用率等 diff --git a/cpukit/cgroup.go b/cpukit/cgroup.go deleted file mode 100644 index e302f06..0000000 --- a/cpukit/cgroup.go +++ /dev/null @@ -1,126 +0,0 @@ -package cpukit - -import ( - "bufio" - "fmt" - "io" - "os" - "path" - "strconv" - "strings" -) - -const cgroupRootDir = "/sys/fs/cgroup" - -// cgroup Linux cgroup -type cgroup struct { - cgroupSet map[string]string -} - -// CPUCFSQuotaUs cpu.cfs_quota_us -func (c *cgroup) CPUCFSQuotaUs() (int64, error) { - data, err := readFile(path.Join(c.cgroupSet["cpu"], "cpu.cfs_quota_us")) - if err != nil { - return 0, err - } - return strconv.ParseInt(data, 10, 64) -} - -// CPUCFSPeriodUs cpu.cfs_period_us -func (c *cgroup) CPUCFSPeriodUs() (uint64, error) { - data, err := readFile(path.Join(c.cgroupSet["cpu"], "cpu.cfs_period_us")) - if err != nil { - return 0, err - } - return parseUint(data) -} - -// CPUAcctUsage cpuacct.usage -func (c *cgroup) CPUAcctUsage() (uint64, error) { - data, err := readFile(path.Join(c.cgroupSet["cpuacct"], "cpuacct.usage")) - if err != nil { - return 0, err - } - return parseUint(data) -} - -// CPUAcctUsagePerCPU cpuacct.usage_percpu -func (c *cgroup) CPUAcctUsagePerCPU() ([]uint64, error) { - data, err := readFile(path.Join(c.cgroupSet["cpuacct"], "cpuacct.usage_percpu")) - if err != nil { - return nil, err - } - var usage []uint64 - for _, v := range strings.Fields(string(data)) { - var u uint64 - if u, err = parseUint(v); err != nil { - return nil, err - } - // fix possible_cpu:https://www.ibm.com/support/knowledgecenter/en/linuxonibm/com.ibm.linux.z.lgdd/lgdd_r_posscpusparm.html - if u != 0 { - usage = append(usage, u) - } - } - return usage, nil -} - -// CPUSetCPUs cpuset.cpus -func (c *cgroup) CPUSetCPUs() ([]uint64, error) { - data, err := readFile(path.Join(c.cgroupSet["cpuset"], "cpuset.cpus")) - if err != nil { - return nil, err - } - cpus, err := ParseUintList(data) - if err != nil { - return nil, err - } - var sets []uint64 - for k := range cpus { - sets = append(sets, uint64(k)) - } - return sets, nil -} - -// CurrentcGroup get current process cgroup -func currentcGroup() (*cgroup, error) { - pid := os.Getpid() - cgroupFile := fmt.Sprintf("/proc/%d/cgroup", pid) - cgroupSet := make(map[string]string) - fp, err := os.Open(cgroupFile) - if err != nil { - return nil, err - } - defer fp.Close() - buf := bufio.NewReader(fp) - for { - line, err := buf.ReadString('\n') - if err != nil { - if err == io.EOF { - break - } - return nil, err - } - col := strings.Split(strings.TrimSpace(line), ":") - if len(col) != 3 { - return nil, fmt.Errorf("invalid cgroup format %s", line) - } - dir := col[2] - // When dir is not equal to /, it must be in docker - if dir != "/" { - cgroupSet[col[1]] = path.Join(cgroupRootDir, col[1]) - if strings.Contains(col[1], ",") { - for _, k := range strings.Split(col[1], ",") { - cgroupSet[k] = path.Join(cgroupRootDir, k) - } - } - } else { - cgroupSet[col[1]] = path.Join(cgroupRootDir, col[1], col[2]) - if strings.Contains(col[1], ",") { - for _, k := range strings.Split(col[1], ",") { - cgroupSet[k] = path.Join(cgroupRootDir, k, col[2]) - } - } - } - } - return &cgroup{cgroupSet: cgroupSet}, nil -} diff --git a/cpukit/cgroupCPU.go b/cpukit/cgroupCPU.go deleted file mode 100644 index 86741bc..0000000 --- a/cpukit/cgroupCPU.go +++ /dev/null @@ -1,250 +0,0 @@ -package cpukit - -import ( - "bufio" - "fmt" - "os" - "strconv" - "strings" - - "github.com/pkg/errors" - pscpu "github.com/shirou/gopsutil/cpu" -) - -type cgroupCPU struct { - frequency uint64 - quota float64 - cores uint64 - - preSystem uint64 - preTotal uint64 - usage uint64 -} - -func newCgroupCPU() (cpu *cgroupCPU, err error) { - var cores int - cores, err = pscpu.Counts(true) - if err != nil || cores == 0 { - var cpus []uint64 - cpus, err = perCPUUsage() - if err != nil { - err = errors.Errorf("perCPUUsage() failed!err:=%v", err) - return - } - cores = len(cpus) - } - - sets, err := cpuSets() - if err != nil { - err = errors.Errorf("cpuSets() failed!err:=%v", err) - return - } - quota := float64(len(sets)) - cq, err := cpuQuota() - if err == nil && cq != -1 { - var period uint64 - if period, err = cpuPeriod(); err != nil { - err = errors.Errorf("cpuPeriod() failed!err:=%v", err) - return - } - limit := float64(cq) / float64(period) - if limit < quota { - quota = limit - } - } - maxFreq := cpuMaxFreq() - - preSystem, err := systemCPUUsage() - if err != nil { - err = errors.Errorf("systemCPUUsage() failed!err:=%v", err) - return - } - preTotal, err := totalCPUUsage() - if err != nil { - err = errors.Errorf("totalCPUUsage() failed!err:=%v", err) - return - } - cpu = &cgroupCPU{ - frequency: maxFreq, - quota: quota, - cores: uint64(cores), - preSystem: preSystem, - preTotal: preTotal, - } - return -} - -func (cpu *cgroupCPU) Usage() (u uint64, err error) { - var ( - total uint64 - system uint64 - ) - total, err = totalCPUUsage() - if err != nil { - return - } - system, err = systemCPUUsage() - if err != nil { - return - } - if system != cpu.preSystem { - u = uint64(float64((total-cpu.preTotal)*cpu.cores*1e3) / (float64(system-cpu.preSystem) * cpu.quota)) - } - cpu.preSystem = system - cpu.preTotal = total - return -} - -func (cpu *cgroupCPU) Info() Info { - return Info{ - Frequency: cpu.frequency, - Quota: cpu.quota, - } -} - -const nanoSecondsPerSecond = 1e9 - -// ErrNoCFSLimit is no quota limit -var ErrNoCFSLimit = errors.Errorf("no quota limit") - -var clockTicksPerSecond = uint64(getClockTicks()) - -// systemCPUUsage returns the host system's cpu usage in -// nanoseconds. An error is returned if the format of the underlying -// file does not match. -// -// Uses /proc/stat defined by POSIX. Looks for the cpu -// statistics line and then sums up the first seven fields -// provided. See man 5 proc for details on specific field -// information. -func systemCPUUsage() (usage uint64, err error) { - var ( - line string - f *os.File - ) - if f, err = os.Open("/proc/stat"); err != nil { - return - } - bufReader := bufio.NewReaderSize(nil, 128) - defer func() { - bufReader.Reset(nil) - f.Close() - }() - bufReader.Reset(f) - for err == nil { - if line, err = bufReader.ReadString('\n'); err != nil { - err = errors.WithStack(err) - return - } - parts := strings.Fields(line) - switch parts[0] { - case "cpu": - if len(parts) < 8 { - err = errors.WithStack(fmt.Errorf("bad format of cpu stats")) - return - } - var totalClockTicks uint64 - for _, i := range parts[1:8] { - var v uint64 - if v, err = strconv.ParseUint(i, 10, 64); err != nil { - err = errors.WithStack(fmt.Errorf("error parsing cpu stats")) - return - } - totalClockTicks += v - } - usage = (totalClockTicks * nanoSecondsPerSecond) / clockTicksPerSecond - return - } - } - err = errors.Errorf("bad stats format") - return -} - -func totalCPUUsage() (usage uint64, err error) { - var cg *cgroup - if cg, err = currentcGroup(); err != nil { - return - } - return cg.CPUAcctUsage() -} - -func perCPUUsage() (usage []uint64, err error) { - var cg *cgroup - if cg, err = currentcGroup(); err != nil { - return - } - return cg.CPUAcctUsagePerCPU() -} - -func cpuSets() (sets []uint64, err error) { - var cg *cgroup - if cg, err = currentcGroup(); err != nil { - return - } - return cg.CPUSetCPUs() -} - -func cpuQuota() (quota int64, err error) { - var cg *cgroup - if cg, err = currentcGroup(); err != nil { - return - } - return cg.CPUCFSQuotaUs() -} - -func cpuPeriod() (peroid uint64, err error) { - var cg *cgroup - if cg, err = currentcGroup(); err != nil { - return - } - return cg.CPUCFSPeriodUs() -} - -func cpuFreq() uint64 { - lines, err := readLines("/proc/cpuinfo") - if err != nil { - return 0 - } - for _, line := range lines { - fields := strings.Split(line, ":") - if len(fields) < 2 { - continue - } - key := strings.TrimSpace(fields[0]) - value := strings.TrimSpace(fields[1]) - if key == "cpu MHz" || key == "clock" { - // treat this as the fallback value, thus we ignore error - if t, err := strconv.ParseFloat(strings.Replace(value, "MHz", "", 1), 64); err == nil { - return uint64(t * 1000.0 * 1000.0) - } - } - } - return 0 -} - -func cpuMaxFreq() uint64 { - feq := cpuFreq() - data, err := readFile("/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq") - if err != nil { - return feq - } - // override the max freq from /proc/cpuinfo - cfeq, err := parseUint(data) - if err == nil { - feq = cfeq - } - return feq -} - -//GetClockTicks get the OS's ticks per second -func getClockTicks() int { - // TODO figure out a better alternative for platforms where we're missing cgo - // - // TODO Windows. This could be implemented using Win32 QueryPerformanceFrequency(). - // https://msdn.microsoft.com/en-us/library/windows/desktop/ms644905(v=vs.85).aspx - // - // An example of its usage can be found here. - // https://msdn.microsoft.com/en-us/library/windows/desktop/dn553408(v=vs.85).aspx - - return 100 -} diff --git a/cpukit/cgroup_test.go b/cpukit/cgroup_test.go deleted file mode 100644 index dc8b953..0000000 --- a/cpukit/cgroup_test.go +++ /dev/null @@ -1,11 +0,0 @@ -// +build linux - -package cpukit - -import ( - "testing" -) - -func TestCGroup(t *testing.T) { - // TODO -} diff --git a/cpukit/cpu.go b/cpukit/cpu.go deleted file mode 100644 index d73be4e..0000000 --- a/cpukit/cpu.go +++ /dev/null @@ -1,68 +0,0 @@ -package cpukit - -import ( - "fmt" - "sync/atomic" - "time" -) - -const ( - interval time.Duration = time.Millisecond * 500 -) - -var ( - stats CPU - usage uint64 -) - -// CPU is cpu stat usage. -type CPU interface { - Usage() (u uint64, e error) - Info() Info -} - -func init() { - var ( - err error - ) - stats, err = newCgroupCPU() - if err != nil { - // fmt.Printf("cgroup cpu init failed(%v),switch to psutil cpu\n", err) - stats, err = newPsutilCPU(interval) - if err != nil { - panic(fmt.Sprintf("cgroup cpu init failed!err:=%v", err)) - } - } - go func() { - ticker := time.NewTicker(interval) - defer ticker.Stop() - for { - <-ticker.C - u, err := stats.Usage() - if err == nil && u != 0 { - atomic.StoreUint64(&usage, u) - } - } - }() -} - -// Stat cpu stat. -type Stat struct { - Usage uint64 // cpu use ratio. -} - -// Info cpu info. -type Info struct { - Frequency uint64 - Quota float64 -} - -// ReadStat read cpu stat. -func ReadStat(stat *Stat) { - stat.Usage = atomic.LoadUint64(&usage) -} - -// GetInfo get cpu info. -func GetInfo() Info { - return stats.Info() -} diff --git a/cpukit/cpu_test.go b/cpukit/cpu_test.go deleted file mode 100644 index cbce658..0000000 --- a/cpukit/cpu_test.go +++ /dev/null @@ -1,22 +0,0 @@ -package cpukit - -import ( - "fmt" - "testing" - "time" -) - -func Test_CPUUsage(t *testing.T) { - var stat Stat - ReadStat(&stat) - fmt.Println(stat) - time.Sleep(time.Millisecond * 1000) - for i := 0; i < 1000; i++ { - time.Sleep(time.Millisecond * 500) - ReadStat(&stat) - if stat.Usage == 0 { - t.Fatalf("get cpu failed!cpu usage is zero!") - } - fmt.Println(stat) - } -} diff --git a/cpukit/psutilCPU.go b/cpukit/psutilCPU.go deleted file mode 100644 index f559a7a..0000000 --- a/cpukit/psutilCPU.go +++ /dev/null @@ -1,45 +0,0 @@ -package cpukit - -import ( - "time" - - "github.com/shirou/gopsutil/cpu" -) - -type psutilCPU struct { - interval time.Duration -} - -func newPsutilCPU(interval time.Duration) (cpu *psutilCPU, err error) { - cpu = &psutilCPU{interval: interval} - _, err = cpu.Usage() - if err != nil { - return - } - return -} - -func (ps *psutilCPU) Usage() (u uint64, err error) { - var percents []float64 - percents, err = cpu.Percent(ps.interval, false) - if err == nil { - u = uint64(percents[0] * 10) - } - return -} - -func (ps *psutilCPU) Info() (info Info) { - stats, err := cpu.Info() - if err != nil { - return - } - cores, err := cpu.Counts(true) - if err != nil { - return - } - info = Info{ - Frequency: uint64(stats[0].Mhz), - Quota: float64(cores), - } - return -} diff --git a/cpukit/stat_test.go b/cpukit/stat_test.go deleted file mode 100644 index ddd0bab..0000000 --- a/cpukit/stat_test.go +++ /dev/null @@ -1,20 +0,0 @@ -package cpukit - -import ( - "testing" - "time" - - "github.com/stretchr/testify/assert" -) - -func TestStat(t *testing.T) { - time.Sleep(time.Second * 2) - var s Stat - var i Info - ReadStat(&s) - i = GetInfo() - - assert.NotZero(t, s.Usage) - assert.NotZero(t, i.Frequency) - assert.NotZero(t, i.Quota) -} diff --git a/cpukit/util.go b/cpukit/util.go deleted file mode 100644 index 28d35e2..0000000 --- a/cpukit/util.go +++ /dev/null @@ -1,121 +0,0 @@ -package cpukit - -import ( - "bufio" - "io/ioutil" - "os" - "strconv" - "strings" - - "github.com/pkg/errors" -) - -func readFile(path string) (string, error) { - contents, err := ioutil.ReadFile(path) - if err != nil { - return "", errors.Wrapf(err, "os/stat: read file(%s) failed!", path) - } - return strings.TrimSpace(string(contents)), nil -} - -func parseUint(s string) (uint64, error) { - v, err := strconv.ParseUint(s, 10, 64) - if err != nil { - intValue, intErr := strconv.ParseInt(s, 10, 64) - // 1. Handle negative values greater than MinInt64 (and) - // 2. Handle negative values lesser than MinInt64 - if intErr == nil && intValue < 0 { - return 0, nil - } else if intErr != nil && - intErr.(*strconv.NumError).Err == strconv.ErrRange && - intValue < 0 { - return 0, nil - } - return 0, errors.Wrapf(err, "os/stat: parseUint(%s) failed!", s) - } - return v, nil -} - -// ParseUintList parses and validates the specified string as the value -// found in some cgroup file (e.g. cpuset.cpus, cpuset.mems), which could be -// one of the formats below. Note that duplicates are actually allowed in the -// input string. It returns a map[int]bool with available elements from val -// set to true. -// Supported formats: -// 7 -// 1-6 -// 0,3-4,7,8-10 -// 0-0,0,1-7 -// 03,1-3 <- this is gonna get parsed as [1,2,3] -// 3,2,1 -// 0-2,3,1 -func ParseUintList(val string) (map[int]bool, error) { - if val == "" { - return map[int]bool{}, nil - } - - availableInts := make(map[int]bool) - split := strings.Split(val, ",") - errInvalidFormat := errors.Errorf("os/stat: invalid format: %s", val) - for _, r := range split { - if !strings.Contains(r, "-") { - v, err := strconv.Atoi(r) - if err != nil { - return nil, errInvalidFormat - } - availableInts[v] = true - } else { - split := strings.SplitN(r, "-", 2) - min, err := strconv.Atoi(split[0]) - if err != nil { - return nil, errInvalidFormat - } - max, err := strconv.Atoi(split[1]) - if err != nil { - return nil, errInvalidFormat - } - if max < min { - return nil, errInvalidFormat - } - for i := min; i <= max; i++ { - availableInts[i] = true - } - } - } - return availableInts, nil -} - -// ReadLines reads contents from a file and splits them by new lines. -// A convenience wrapper to ReadLinesOffsetN(filename, 0, -1). -func readLines(filename string) ([]string, error) { - return readLinesOffsetN(filename, 0, -1) -} - -// ReadLinesOffsetN reads contents from file and splits them by new line. -// The offset tells at which line number to start. -// The count determines the number of lines to read (starting from offset): -// n >= 0: at most n lines -// n < 0: whole file -func readLinesOffsetN(filename string, offset uint, n int) ([]string, error) { - f, err := os.Open(filename) - if err != nil { - return []string{""}, err - } - defer f.Close() - - var ret []string - - r := bufio.NewReader(f) - for i := 0; i < n+int(offset) || n < 0; i++ { - line, err := r.ReadString('\n') - if err != nil { - break - } - if i < int(offset) { - continue - } - ret = append(ret, strings.Trim(line, "\n")) - } - - return ret, nil -} diff --git a/go.mod b/go.mod index 1bad4d6..0c29e9e 100644 --- a/go.mod +++ b/go.mod @@ -5,15 +5,14 @@ go 1.14 require ( github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46 // indirect github.com/gin-gonic/gin v1.6.3 + github.com/go-kratos/kratos v1.0.0 github.com/go-ole/go-ole v1.2.5 // indirect github.com/go-playground/assert/v2 v2.0.1 github.com/go-redis/redis/v7 v7.2.0 github.com/onsi/ginkgo v1.10.2 // indirect - github.com/pkg/errors v0.9.1 - github.com/prometheus/client_golang v1.10.0 - github.com/shirou/gopsutil v3.21.4+incompatible + github.com/prometheus/client_golang v1.10.0 // indirect + github.com/shirou/gopsutil v3.21.4+incompatible // indirect github.com/speps/go-hashids v2.0.0+incompatible - github.com/stretchr/testify v1.4.0 github.com/tklauser/go-sysconf v0.3.5 // indirect golang.org/x/net v0.0.0-20200822124328-c89045814202 // indirect ) diff --git a/go.sum b/go.sum index 8f312b2..048a254 100644 --- a/go.sum +++ b/go.sum @@ -1,9 +1,13 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/DataDog/zstd v1.3.6-0.20190409195224-796139022798/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo= +github.com/HdrHistogram/hdrhistogram-go v1.0.1/go.mod h1:BWJ+nMSHY3L41Zj7CA3uXnloDp7xxV0YvstAE7nKTaM= github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0= github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo= +github.com/Shopify/sarama v1.23.1/go.mod h1:XLH1GYJnLVE0XCr6KdJGVJRTwY30moWNJ4sERjXX6fs= github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI= +github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg= github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46 h1:5sXbqlSomvdjlRbWyNqkPsJ3Fg+tQZCbgeX1VGljbQY= github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg= github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g= @@ -13,9 +17,15 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho= +github.com/antihax/optional v0.0.0-20180407024304-ca021399b1a6/go.mod h1:V8iCPQYkqmusNa815XgQio277wI47sdRh1dUOLdyC6Q= github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ= 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github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI= github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg= github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8= +github.com/influxdata/influxdb1-client v0.0.0-20190809212627-fc22c7df067e/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo= github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo= +github.com/jcmturner/gofork v0.0.0-20190328161633-dc7c13fece03/go.mod h1:MK8+TM0La+2rjBD4jE12Kj1pCCxK7d2LK/UM3ncEo0o= github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k= +github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg= github.com/jonboulle/clockwork v0.1.0/go.mod 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h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4= github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4= github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY= @@ -186,6 +248,7 @@ github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg= github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc= github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0= +github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0= github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI= github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS42BGNg= github.com/mitchellh/iochan 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github.com/nats-io/nkeys v0.1.0/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxziKVo7w= github.com/nats-io/nkeys v0.1.3/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxziKVo7w= github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c= +github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= +github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= github.com/oklog/oklog v0.3.2/go.mod h1:FCV+B7mhrz4o+ueLpx+KqkyXRGMWOYEvfiXtdGtbWGs= github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA= github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo= @@ -218,6 +284,8 @@ github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1Cpa github.com/onsi/gomega v1.7.0 h1:XPnZz8VVBHjVsy1vzJmRwIcSwiUO+JFfrv/xGiigmME= github.com/onsi/gomega v1.7.0/go.mod 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h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20201202213521-69691e467435/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210309074719-68d13333faf2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210316164454-77fc1eacc6aa h1:ZYxPR6aca/uhfRJyaOAtflSHjJYiktO7QnJC5ut7iY4= @@ -395,33 +533,44 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= 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h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY= golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= +golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= +golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= +golang.org/x/tools v0.0.0-20190912185636-87d9f09c5d89/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191004055002-72853e10c5a3/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191105231337-689d0f08e67a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= -golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk= google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= +google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0= google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s= google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc= +google.golang.org/genproto v0.0.0-20190927181202-20e1ac93f88c/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8= +google.golang.org/genproto v0.0.0-20200402124713-8ff61da6d932/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM= @@ -430,7 +579,11 @@ google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ij google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= +google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA= +google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY= google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= +google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= +google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod 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+gopkg.in/jcmturner/goidentity.v3 v3.0.0/go.mod h1:oG2kH0IvSYNIu80dVAyu/yoefjq1mNfM5bm88whjWx4= +gopkg.in/jcmturner/gokrb5.v7 v7.2.3/go.mod h1:l8VISx+WGYp+Fp7KRbsiUuXTTOnxIc3Tuvyavf11/WM= +gopkg.in/jcmturner/rpc.v1 v1.1.0/go.mod h1:YIdkC4XfD6GXbzje11McwsDuOlZQSb9W4vfLvuNnlv8= +gopkg.in/redis.v4 v4.2.4/go.mod h1:8KREHdypkCEojGKQcjMqAODMICIVwZAONWq8RowTITA= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= @@ -455,14 +618,19 @@ gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRN gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.2/go.mod 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honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= +sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc= sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU= diff --git a/group/README.md b/group/README.md deleted file mode 100644 index 33d48ba..0000000 --- a/group/README.md +++ /dev/null @@ -1,12 +0,0 @@ -#### group - -##### 项目简介 - -懒加载对象容器 - -##### 编译环境 - -- **推荐 Golang v1.12.1 以上版本编译执行** - -##### 依赖包 - diff --git a/group/example_test.go b/group/example_test.go deleted file mode 100644 index 9f52fb8..0000000 --- a/group/example_test.go +++ /dev/null @@ -1,46 +0,0 @@ -package group - -import "fmt" - -type Counter struct { - Value int -} - -func (c *Counter) Incr() { - c.Value++ -} - -func ExampleGroup_Get() { - new := func() interface{} { - fmt.Println("Only Once") - return &Counter{} - } - group := NewGroup(new) - - // Create a new Counter - group.Get("pass").(*Counter).Incr() - - // Get the created Counter again. - group.Get("pass").(*Counter).Incr() - // Output: - // Only Once -} - -func ExampleGroup_Reset() { - new := func() interface{} { - return &Counter{} - } - group := NewGroup(new) - - newV2 := func() interface{} { - fmt.Println("New V2") - return &Counter{} - } - // Reset the new function and clear all created objects. - group.Reset(newV2) - - // Create a new Counter - group.Get("pass").(*Counter).Incr() - // Output: - // New V2 -} diff --git a/group/group.go b/group/group.go deleted file mode 100644 index ad0324d..0000000 --- a/group/group.go +++ /dev/null @@ -1,64 +0,0 @@ -// Package group provides a sample lazy load container. -// The group only creating a new object not until the object is needed by user. -// And it will cache all the objects to reduce the creation of object. -package group - -import "sync" - -// Group is a lazy load container. -type Group struct { - new func() interface{} - objs map[string]interface{} - sync.RWMutex -} - -// NewGroup news a group container. -func NewGroup(new func() interface{}) *Group { - if new == nil { - panic("container.group: can't assign a nil to the new function") - } - return &Group{ - new: new, - objs: make(map[string]interface{}), - } -} - -// Get gets the object by the given key. -func (g *Group) Get(key string) interface{} { - g.RLock() - obj, ok := g.objs[key] - if ok { - g.RUnlock() - return obj - } - g.RUnlock() - - // double check - g.Lock() - defer g.Unlock() - obj, ok = g.objs[key] - if ok { - return obj - } - obj = g.new() - g.objs[key] = obj - return obj -} - -// Reset resets the new function and deletes all existing objects. -func (g *Group) Reset(new func() interface{}) { - if new == nil { - panic("container.group: can't assign a nil to the new function") - } - g.Lock() - g.new = new - g.Unlock() - g.Clear() -} - -// Clear deletes all objects. -func (g *Group) Clear() { - g.Lock() - g.objs = make(map[string]interface{}) - g.Unlock() -} diff --git a/group/group_test.go b/group/group_test.go deleted file mode 100644 index 50464db..0000000 --- a/group/group_test.go +++ /dev/null @@ -1,65 +0,0 @@ -package group - -import ( - "testing" - - "github.com/stretchr/testify/assert" -) - -func TestGroupGet(t *testing.T) { - count := 0 - g := NewGroup(func() interface{} { - count++ - return count - }) - v := g.Get("/x/internal/dummy/user") - assert.Equal(t, 1, v.(int)) - - v = g.Get("/x/internal/dummy/avatar") - assert.Equal(t, 2, v.(int)) - - v = g.Get("/x/internal/dummy/user") - assert.Equal(t, 1, v.(int)) - assert.Equal(t, 2, count) -} - -func TestGroupReset(t *testing.T) { - g := NewGroup(func() interface{} { - return 1 - }) - g.Get("/x/internal/dummy/user") - call := false - g.Reset(func() interface{} { - call = true - return 1 - }) - - length := 0 - for range g.objs { - length++ - } - - assert.Equal(t, 0, length) - - g.Get("/x/internal/dummy/user") - assert.Equal(t, true, call) -} - -func TestGroupClear(t *testing.T) { - g := NewGroup(func() interface{} { - return 1 - }) - g.Get("/x/internal/dummy/user") - length := 0 - for range g.objs { - length++ - } - assert.Equal(t, 1, length) - - g.Clear() - length = 0 - for range g.objs { - length++ - } - assert.Equal(t, 0, length) -} diff --git a/metric/counter.go b/metric/counter.go deleted file mode 100644 index 6015899..0000000 --- a/metric/counter.go +++ /dev/null @@ -1,84 +0,0 @@ -package metric - -import ( - "fmt" - "sync/atomic" - - "github.com/prometheus/client_golang/prometheus" -) - -var _ Metric = &counter{} - -// Counter stores a numerical value that only ever goes up. -type Counter interface { - Metric -} - -// CounterOpts is an alias of Opts. -type CounterOpts Opts - -type counter struct { - val int64 -} - -// NewCounter creates a new Counter based on the CounterOpts. -func NewCounter(opts CounterOpts) Counter { - return &counter{} -} - -func (c *counter) Add(val int64) { - if val < 0 { - panic(fmt.Errorf("stat/metric: cannot decrease in negative value. val: %d", val)) - } - atomic.AddInt64(&c.val, val) -} - -func (c *counter) Value() int64 { - return atomic.LoadInt64(&c.val) -} - -// CounterVecOpts is an alias of VectorOpts. -type CounterVecOpts VectorOpts - -// CounterVec counter vec. -type CounterVec interface { - // Inc increments the counter by 1. Use Add to increment it by arbitrary - // non-negative values. - Inc(labels ...string) - // Add adds the given value to the counter. It panics if the value is < - // 0. - Add(v float64, labels ...string) -} - -// counterVec counter vec. -type promCounterVec struct { - counter *prometheus.CounterVec -} - -// NewCounterVec . -func NewCounterVec(cfg *CounterVecOpts) CounterVec { - if cfg == nil { - return nil - } - vec := prometheus.NewCounterVec( - prometheus.CounterOpts{ - Namespace: cfg.Namespace, - Subsystem: cfg.Subsystem, - Name: cfg.Name, - Help: cfg.Help, - }, cfg.Labels) - prometheus.MustRegister(vec) - return &promCounterVec{ - counter: vec, - } -} - -// Inc Inc increments the counter by 1. Use Add to increment it by arbitrary. -func (counter *promCounterVec) Inc(labels ...string) { - counter.counter.WithLabelValues(labels...).Inc() -} - -// Add Inc increments the counter by 1. Use Add to increment it by arbitrary. -func (counter *promCounterVec) Add(v float64, labels ...string) { - counter.counter.WithLabelValues(labels...).Add(v) -} diff --git a/metric/counter_test.go b/metric/counter_test.go deleted file mode 100644 index 413a61c..0000000 --- a/metric/counter_test.go +++ /dev/null @@ -1,47 +0,0 @@ -package metric - -import ( - "math/rand" - "testing" - - "github.com/stretchr/testify/assert" -) - -func TestCounter(t *testing.T) { - counter := NewCounter(CounterOpts{}) - count := rand.Intn(100) - for i := 0; i < count; i++ { - counter.Add(1) - } - val := counter.Value() - assert.Equal(t, val, int64(count)) -} - -func TestCounterVec(t *testing.T) { - counterVec := NewCounterVec(&CounterVecOpts{ - Namespace: "test", - Subsystem: "test", - Name: "test", - Help: "this is test metrics.", - Labels: []string{"name", "addr"}, - }) - counterVec.Inc("name1", "127.0.0.1") - assert.Panics(t, func() { - NewCounterVec(&CounterVecOpts{ - Namespace: "test", - Subsystem: "test", - Name: "test", - Help: "this is test metrics.", - Labels: []string{"name", "addr"}, - }) - }, "Expected to panic.") - assert.NotPanics(t, func() { - NewCounterVec(&CounterVecOpts{ - Namespace: "test", - Subsystem: "test", - Name: "test2", - Help: "this is test metrics.", - Labels: []string{"name", "addr"}, - }) - }, "Expected normal. no panic.") -} diff --git a/metric/gauge.go b/metric/gauge.go deleted file mode 100644 index de6980a..0000000 --- a/metric/gauge.go +++ /dev/null @@ -1,94 +0,0 @@ -package metric - -import ( - "sync/atomic" - - "github.com/prometheus/client_golang/prometheus" -) - -var _ Metric = &gauge{} - -// Gauge stores a numerical value that can be add arbitrarily. -type Gauge interface { - Metric - // Sets sets the value to the given number. - Set(int64) -} - -// GaugeOpts is an alias of Opts. -type GaugeOpts Opts - -type gauge struct { - val int64 -} - -// NewGauge creates a new Gauge based on the GaugeOpts. -func NewGauge(opts GaugeOpts) Gauge { - return &gauge{} -} - -func (g *gauge) Add(val int64) { - atomic.AddInt64(&g.val, val) -} - -func (g *gauge) Set(val int64) { - old := atomic.LoadInt64(&g.val) - atomic.CompareAndSwapInt64(&g.val, old, val) -} - -func (g *gauge) Value() int64 { - return atomic.LoadInt64(&g.val) -} - -// GaugeVecOpts is an alias of VectorOpts. -type GaugeVecOpts VectorOpts - -// GaugeVec gauge vec. -type GaugeVec interface { - // Set sets the Gauge to an arbitrary value. - Set(v float64, labels ...string) - // Inc increments the Gauge by 1. Use Add to increment it by arbitrary - // values. - Inc(labels ...string) - // Add adds the given value to the Gauge. (The value can be negative, - // resulting in a decrease of the Gauge.) - Add(v float64, labels ...string) -} - -// gaugeVec gauge vec. -type promGaugeVec struct { - gauge *prometheus.GaugeVec -} - -// NewGaugeVec . -func NewGaugeVec(cfg *GaugeVecOpts) GaugeVec { - if cfg == nil { - return nil - } - vec := prometheus.NewGaugeVec( - prometheus.GaugeOpts{ - Namespace: cfg.Namespace, - Subsystem: cfg.Subsystem, - Name: cfg.Name, - Help: cfg.Help, - }, cfg.Labels) - prometheus.MustRegister(vec) - return &promGaugeVec{ - gauge: vec, - } -} - -// Inc Inc increments the counter by 1. Use Add to increment it by arbitrary. -func (gauge *promGaugeVec) Inc(labels ...string) { - gauge.gauge.WithLabelValues(labels...).Inc() -} - -// Add Inc increments the counter by 1. Use Add to increment it by arbitrary. -func (gauge *promGaugeVec) Add(v float64, labels ...string) { - gauge.gauge.WithLabelValues(labels...).Add(v) -} - -// Set set the given value to the collection. -func (gauge *promGaugeVec) Set(v float64, labels ...string) { - gauge.gauge.WithLabelValues(labels...).Set(v) -} diff --git a/metric/gauge_test.go b/metric/gauge_test.go deleted file mode 100644 index b3cb26d..0000000 --- a/metric/gauge_test.go +++ /dev/null @@ -1,23 +0,0 @@ -package metric - -import ( - "testing" - - "github.com/stretchr/testify/assert" -) - -func TestGaugeAdd(t *testing.T) { - gauge := NewGauge(GaugeOpts{}) - gauge.Add(100) - gauge.Add(-50) - val := gauge.Value() - assert.Equal(t, val, int64(50)) -} - -func TestGaugeSet(t *testing.T) { - gauge := NewGauge(GaugeOpts{}) - gauge.Add(100) - gauge.Set(50) - val := gauge.Value() - assert.Equal(t, val, int64(50)) -} diff --git a/metric/histogram.go b/metric/histogram.go deleted file mode 100644 index 8a7af58..0000000 --- a/metric/histogram.go +++ /dev/null @@ -1,50 +0,0 @@ -package metric - -import ( - "github.com/prometheus/client_golang/prometheus" -) - -// HistogramVecOpts is histogram vector opts. -type HistogramVecOpts struct { - Namespace string - Subsystem string - Name string - Help string - Labels []string - Buckets []float64 -} - -// HistogramVec gauge vec. -type HistogramVec interface { - // Observe adds a single observation to the histogram. - Observe(v int64, labels ...string) -} - -// Histogram prom histogram collection. -type promHistogramVec struct { - histogram *prometheus.HistogramVec -} - -// NewHistogramVec new a histogram vec. -func NewHistogramVec(cfg *HistogramVecOpts) HistogramVec { - if cfg == nil { - return nil - } - vec := prometheus.NewHistogramVec( - prometheus.HistogramOpts{ - Namespace: cfg.Namespace, - Subsystem: cfg.Subsystem, - Name: cfg.Name, - Help: cfg.Help, - Buckets: cfg.Buckets, - }, cfg.Labels) - prometheus.MustRegister(vec) - return &promHistogramVec{ - histogram: vec, - } -} - -// Timing adds a single observation to the histogram. -func (histogram *promHistogramVec) Observe(v int64, labels ...string) { - histogram.histogram.WithLabelValues(labels...).Observe(float64(v)) -} diff --git a/metric/iterator.go b/metric/iterator.go deleted file mode 100644 index b0cac69..0000000 --- a/metric/iterator.go +++ /dev/null @@ -1,26 +0,0 @@ -package metric - -import "fmt" - -// Iterator iterates the buckets within the window. -type Iterator struct { - count int - iteratedCount int - cur *Bucket -} - -// Next returns true util all of the buckets has been iterated. -func (i *Iterator) Next() bool { - return i.count != i.iteratedCount -} - -// Bucket gets current bucket. -func (i *Iterator) Bucket() Bucket { - if !(i.Next()) { - panic(fmt.Errorf("stat/metric: iteration out of range iteratedCount: %d count: %d", i.iteratedCount, i.count)) - } - bucket := *i.cur - i.iteratedCount++ - i.cur = i.cur.Next() - return bucket -} diff --git a/metric/metric.go b/metric/metric.go deleted file mode 100644 index 9ea08ca..0000000 --- a/metric/metric.go +++ /dev/null @@ -1,104 +0,0 @@ -package metric - -import ( - "errors" - "fmt" -) - -// Opts contains the common arguments for creating Metric. -type Opts struct { -} - -// Metric is a sample interface. -// Implementations of Metrics in metric package are Counter, Gauge, -// PointGauge, RollingCounter and RollingGauge. -type Metric interface { - // Add adds the given value to the counter. - Add(int64) - // Value gets the current value. - // If the metric's type is PointGauge, RollingCounter, RollingGauge, - // it returns the sum value within the window. - Value() int64 -} - -// Aggregation contains some common aggregation function. -// Each aggregation can compute summary statistics of window. -type Aggregation interface { - // Min finds the min value within the window. - Min() float64 - // Max finds the max value within the window. - Max() float64 - // Avg computes average value within the window. - Avg() float64 - // Sum computes sum value within the window. - Sum() float64 -} - -// VectorOpts contains the common arguments for creating vec Metric.. -type VectorOpts struct { - Namespace string - Subsystem string - Name string - Help string - Labels []string -} - -const ( - _businessNamespace = "business" - _businessSubsystemCount = "count" - _businessSubSystemGauge = "gauge" - _businessSubSystemHistogram = "histogram" -) - -var ( - _defaultBuckets = []float64{5, 10, 25, 50, 100, 250, 500} -) - -// NewBusinessMetricCount business Metric count vec. -// name or labels should not be empty. -func NewBusinessMetricCount(name string, labels ...string) CounterVec { - if name == "" || len(labels) == 0 { - panic(errors.New("stat:metric business count metric name should not be empty or labels length should be greater than zero")) - } - return NewCounterVec(&CounterVecOpts{ - Namespace: _businessNamespace, - Subsystem: _businessSubsystemCount, - Name: name, - Labels: labels, - Help: fmt.Sprintf("business metric count %s", name), - }) -} - -// NewBusinessMetricGauge business Metric gauge vec. -// name or labels should not be empty. -func NewBusinessMetricGauge(name string, labels ...string) GaugeVec { - if name == "" || len(labels) == 0 { - panic(errors.New("stat:metric business gauge metric name should not be empty or labels length should be greater than zero")) - } - return NewGaugeVec(&GaugeVecOpts{ - Namespace: _businessNamespace, - Subsystem: _businessSubSystemGauge, - Name: name, - Labels: labels, - Help: fmt.Sprintf("business metric gauge %s", name), - }) -} - -// NewBusinessMetricHistogram business Metric histogram vec. -// name or labels should not be empty. -func NewBusinessMetricHistogram(name string, buckets []float64, labels ...string) HistogramVec { - if name == "" || len(labels) == 0 { - panic(errors.New("stat:metric business histogram metric name should not be empty or labels length should be greater than zero")) - } - if len(buckets) == 0 { - buckets = _defaultBuckets - } - return NewHistogramVec(&HistogramVecOpts{ - Namespace: _businessNamespace, - Subsystem: _businessSubSystemHistogram, - Name: name, - Labels: labels, - Buckets: buckets, - Help: fmt.Sprintf("business metric histogram %s", name), - }) -} diff --git a/metric/point_gauge.go b/metric/point_gauge.go deleted file mode 100644 index 0fc15a6..0000000 --- a/metric/point_gauge.go +++ /dev/null @@ -1,61 +0,0 @@ -package metric - -var _ Metric = &pointGauge{} -var _ Aggregation = &pointGauge{} - -// PointGauge represents a ring window. -// Every buckets within the window contains one point. -// When the window is full, the earliest point will be overwrite. -type PointGauge interface { - Aggregation - Metric - // Reduce applies the reduction function to all buckets within the window. - Reduce(func(Iterator) float64) float64 -} - -// PointGaugeOpts contains the arguments for creating PointGauge. -type PointGaugeOpts struct { - // Size represents the bucket size within the window. - Size int -} - -type pointGauge struct { - policy *PointPolicy -} - -// NewPointGauge creates a new PointGauge based on PointGaugeOpts. -func NewPointGauge(opts PointGaugeOpts) PointGauge { - window := NewWindow(WindowOpts{Size: opts.Size}) - policy := NewPointPolicy(window) - return &pointGauge{ - policy: policy, - } -} - -func (r *pointGauge) Add(val int64) { - r.policy.Append(float64(val)) -} - -func (r *pointGauge) Reduce(f func(Iterator) float64) float64 { - return r.policy.Reduce(f) -} - -func (r *pointGauge) Avg() float64 { - return r.policy.Reduce(Avg) -} - -func (r *pointGauge) Min() float64 { - return r.policy.Reduce(Min) -} - -func (r *pointGauge) Max() float64 { - return r.policy.Reduce(Max) -} - -func (r *pointGauge) Sum() float64 { - return r.policy.Reduce(Sum) -} - -func (r *pointGauge) Value() int64 { - return int64(r.Sum()) -} diff --git a/metric/point_gauge_test.go b/metric/point_gauge_test.go deleted file mode 100644 index fcfee47..0000000 --- a/metric/point_gauge_test.go +++ /dev/null @@ -1,55 +0,0 @@ -package metric - -import ( - "testing" - - "github.com/stretchr/testify/assert" -) - -func TestPointGaugeAdd(t *testing.T) { - opts := PointGaugeOpts{Size: 3} - pointGauge := NewPointGauge(opts) - listBuckets := func() [][]float64 { - buckets := make([][]float64, 0) - pointGauge.Reduce(func(i Iterator) float64 { - for i.Next() { - bucket := i.Bucket() - buckets = append(buckets, bucket.Points) - } - return 0.0 - }) - return buckets - } - assert.Equal(t, [][]float64{{}, {}, {}}, listBuckets(), "Empty Buckets") - pointGauge.Add(1) - assert.Equal(t, [][]float64{{}, {}, {1}}, listBuckets(), "Point 1") - pointGauge.Add(2) - assert.Equal(t, [][]float64{{}, {1}, {2}}, listBuckets(), "Point 1, 2") - pointGauge.Add(3) - assert.Equal(t, [][]float64{{1}, {2}, {3}}, listBuckets(), "Point 1, 2, 3") - pointGauge.Add(4) - assert.Equal(t, [][]float64{{2}, {3}, {4}}, listBuckets(), "Point 2, 3, 4") - pointGauge.Add(5) - assert.Equal(t, [][]float64{{3}, {4}, {5}}, listBuckets(), "Point 3, 4, 5") -} - -func TestPointGaugeReduce(t *testing.T) { - opts := PointGaugeOpts{Size: 10} - pointGauge := NewPointGauge(opts) - for i := 0; i < opts.Size; i++ { - pointGauge.Add(int64(i)) - } - var _ = pointGauge.Reduce(func(i Iterator) float64 { - idx := 0 - for i.Next() { - bucket := i.Bucket() - assert.Equal(t, bucket.Points[0], float64(idx), "validate points of pointGauge") - idx++ - } - return 0.0 - }) - assert.Equal(t, float64(9), pointGauge.Max(), "validate max of pointGauge") - assert.Equal(t, float64(4.5), pointGauge.Avg(), "validate avg of pointGauge") - assert.Equal(t, float64(0), pointGauge.Min(), "validate min of pointGauge") - assert.Equal(t, float64(45), pointGauge.Sum(), "validate sum of pointGauge") -} diff --git a/metric/point_policy.go b/metric/point_policy.go deleted file mode 100644 index aae8934..0000000 --- a/metric/point_policy.go +++ /dev/null @@ -1,57 +0,0 @@ -package metric - -import "sync" - -// PointPolicy is a policy of points within the window. -// PointPolicy wraps the window and make it seem like ring-buf. -// When using PointPolicy, every buckets within the windows contains at more one point. -// e.g. [[1], [2], [3]] -type PointPolicy struct { - mu sync.RWMutex - size int - window *Window - offset int -} - -// NewPointPolicy creates a new PointPolicy. -func NewPointPolicy(window *Window) *PointPolicy { - return &PointPolicy{ - window: window, - size: window.Size(), - offset: -1, - } -} - -func (p *PointPolicy) prevOffset() int { - return p.offset -} - -func (p *PointPolicy) nextOffset() int { - return (p.prevOffset() + 1) % p.size -} - -func (p *PointPolicy) updateOffset(offset int) { - p.offset = offset -} - -// Append appends the given points to the window. -func (p *PointPolicy) Append(val float64) { - p.mu.Lock() - defer p.mu.Unlock() - offset := p.nextOffset() - p.window.ResetBucket(offset) - p.window.Append(offset, val) - p.updateOffset(offset) -} - -// Reduce applies the reduction function to all buckets within the window. -func (p *PointPolicy) Reduce(f func(Iterator) float64) float64 { - p.mu.RLock() - defer p.mu.RUnlock() - offset := p.offset + 1 - if offset == p.size { - offset = 0 - } - iterator := p.window.Iterator(offset, p.size) - return f(iterator) -} diff --git a/metric/reduce.go b/metric/reduce.go deleted file mode 100644 index 20165c9..0000000 --- a/metric/reduce.go +++ /dev/null @@ -1,77 +0,0 @@ -package metric - -// Sum the values within the window. -func Sum(iterator Iterator) float64 { - var result = 0.0 - for iterator.Next() { - bucket := iterator.Bucket() - for _, p := range bucket.Points { - result = result + p - } - } - return result -} - -// Avg the values within the window. -func Avg(iterator Iterator) float64 { - var result = 0.0 - var count = 0.0 - for iterator.Next() { - bucket := iterator.Bucket() - for _, p := range bucket.Points { - result = result + p - count = count + 1 - } - } - return result / count -} - -// Min the values within the window. -func Min(iterator Iterator) float64 { - var result = 0.0 - var started = false - for iterator.Next() { - bucket := iterator.Bucket() - for _, p := range bucket.Points { - if !started { - result = p - started = true - continue - } - if p < result { - result = p - } - } - } - return result -} - -// Max the values within the window. -func Max(iterator Iterator) float64 { - var result = 0.0 - var started = false - for iterator.Next() { - bucket := iterator.Bucket() - for _, p := range bucket.Points { - if !started { - result = p - started = true - continue - } - if p > result { - result = p - } - } - } - return result -} - -// Count sums the count value within the window. -func Count(iterator Iterator) float64 { - var result int64 - for iterator.Next() { - bucket := iterator.Bucket() - result += bucket.Count - } - return float64(result) -} diff --git a/metric/reduce_test.go b/metric/reduce_test.go deleted file mode 100644 index 5165dd2..0000000 --- a/metric/reduce_test.go +++ /dev/null @@ -1,17 +0,0 @@ -package metric - -import ( - "testing" - - "github.com/stretchr/testify/assert" -) - -func TestCount(t *testing.T) { - opts := PointGaugeOpts{Size: 10} - pointGauge := NewPointGauge(opts) - for i := 0; i < opts.Size; i++ { - pointGauge.Add(int64(i)) - } - result := pointGauge.Reduce(Count) - assert.Equal(t, float64(10), result, "validate count of pointGauge") -} diff --git a/metric/rolling_counter.go b/metric/rolling_counter.go deleted file mode 100644 index e103843..0000000 --- a/metric/rolling_counter.go +++ /dev/null @@ -1,75 +0,0 @@ -package metric - -import ( - "fmt" - "time" -) - -var _ Metric = &rollingCounter{} -var _ Aggregation = &rollingCounter{} - -// RollingCounter represents a ring window based on time duration. -// e.g. [[1], [3], [5]] -type RollingCounter interface { - Metric - Aggregation - Timespan() int - // Reduce applies the reduction function to all buckets within the window. - Reduce(func(Iterator) float64) float64 -} - -// RollingCounterOpts contains the arguments for creating RollingCounter. -type RollingCounterOpts struct { - Size int - BucketDuration time.Duration -} - -type rollingCounter struct { - policy *RollingPolicy -} - -// NewRollingCounter creates a new RollingCounter bases on RollingCounterOpts. -func NewRollingCounter(opts RollingCounterOpts) RollingCounter { - window := NewWindow(WindowOpts{Size: opts.Size}) - policy := NewRollingPolicy(window, RollingPolicyOpts{BucketDuration: opts.BucketDuration}) - return &rollingCounter{ - policy: policy, - } -} - -func (r *rollingCounter) Add(val int64) { - if val < 0 { - panic(fmt.Errorf("stat/metric: cannot decrease in value. val: %d", val)) - } - r.policy.Add(float64(val)) -} - -func (r *rollingCounter) Reduce(f func(Iterator) float64) float64 { - return r.policy.Reduce(f) -} - -func (r *rollingCounter) Avg() float64 { - return r.policy.Reduce(Avg) -} - -func (r *rollingCounter) Min() float64 { - return r.policy.Reduce(Min) -} - -func (r *rollingCounter) Max() float64 { - return r.policy.Reduce(Max) -} - -func (r *rollingCounter) Sum() float64 { - return r.policy.Reduce(Sum) -} - -func (r *rollingCounter) Value() int64 { - return int64(r.Sum()) -} - -func (r *rollingCounter) Timespan() int { - r.policy.mu.RLock() - defer r.policy.mu.RUnlock() - return r.policy.timespan() -} diff --git a/metric/rolling_counter_test.go b/metric/rolling_counter_test.go deleted file mode 100644 index 82caa52..0000000 --- a/metric/rolling_counter_test.go +++ /dev/null @@ -1,156 +0,0 @@ -package metric - -import ( - "testing" - "time" - - "github.com/stretchr/testify/assert" -) - -func TestRollingCounterAdd(t *testing.T) { - size := 3 - bucketDuration := time.Second - opts := RollingCounterOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingCounter(opts) - listBuckets := func() [][]float64 { - buckets := make([][]float64, 0) - r.Reduce(func(i Iterator) float64 { - for i.Next() { - bucket := i.Bucket() - buckets = append(buckets, bucket.Points) - } - return 0.0 - }) - return buckets - } - assert.Equal(t, [][]float64{{}, {}, {}}, listBuckets()) - r.Add(1) - assert.Equal(t, [][]float64{{}, {}, {1}}, listBuckets()) - time.Sleep(time.Second) - r.Add(2) - r.Add(3) - assert.Equal(t, [][]float64{{}, {1}, {5}}, listBuckets()) - time.Sleep(time.Second) - r.Add(4) - r.Add(5) - r.Add(6) - assert.Equal(t, [][]float64{{1}, {5}, {15}}, listBuckets()) - time.Sleep(time.Second) - r.Add(7) - assert.Equal(t, [][]float64{{5}, {15}, {7}}, listBuckets()) -} - -func TestRollingCounterReduce(t *testing.T) { - size := 3 - bucketDuration := time.Second - opts := RollingCounterOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingCounter(opts) - for x := 0; x < size; x = x + 1 { - for i := 0; i <= x; i++ { - r.Add(1) - } - if x < size-1 { - time.Sleep(bucketDuration) - } - } - var result = r.Reduce(func(iterator Iterator) float64 { - var result float64 - for iterator.Next() { - bucket := iterator.Bucket() - result += bucket.Points[0] - } - return result - }) - if result != 6.0 { - t.Fatalf("Validate sum of points. result: %f", result) - } -} - -func TestRollingCounterDataRace(t *testing.T) { - size := 3 - bucketDuration := time.Millisecond * 10 - opts := RollingCounterOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingCounter(opts) - var stop = make(chan bool) - go func() { - for { - select { - case <-stop: - return - default: - r.Add(1) - time.Sleep(time.Millisecond * 5) - } - } - }() - go func() { - for { - select { - case <-stop: - return - default: - _ = r.Reduce(func(i Iterator) float64 { - for i.Next() { - bucket := i.Bucket() - for range bucket.Points { - continue - } - } - return 0 - }) - } - } - }() - time.Sleep(time.Second * 3) - close(stop) -} - -func BenchmarkRollingCounterIncr(b *testing.B) { - size := 3 - bucketDuration := time.Millisecond * 100 - opts := RollingCounterOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingCounter(opts) - b.ResetTimer() - for i := 0; i <= b.N; i++ { - r.Add(1) - } -} - -func BenchmarkRollingCounterReduce(b *testing.B) { - size := 3 - bucketDuration := time.Second - opts := RollingCounterOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingCounter(opts) - for i := 0; i <= 10; i++ { - r.Add(1) - time.Sleep(time.Millisecond * 500) - } - b.ResetTimer() - for i := 0; i <= b.N; i++ { - var _ = r.Reduce(func(i Iterator) float64 { - var result float64 - for i.Next() { - bucket := i.Bucket() - if len(bucket.Points) != 0 { - result += bucket.Points[0] - } - } - return result - }) - } -} diff --git a/metric/rolling_gauge.go b/metric/rolling_gauge.go deleted file mode 100644 index c065a02..0000000 --- a/metric/rolling_gauge.go +++ /dev/null @@ -1,62 +0,0 @@ -package metric - -import "time" - -var _ Metric = &rollingGauge{} -var _ Aggregation = &rollingGauge{} - -// RollingGauge represents a ring window based on time duration. -// e.g. [[1, 2], [1, 2, 3], [1,2, 3, 4]] -type RollingGauge interface { - Metric - Aggregation - // Reduce applies the reduction function to all buckets within the window. - Reduce(func(Iterator) float64) float64 -} - -// RollingGaugeOpts contains the arguments for creating RollingGauge. -type RollingGaugeOpts struct { - Size int - BucketDuration time.Duration -} - -type rollingGauge struct { - policy *RollingPolicy -} - -// NewRollingGauge creates a new RollingGauge baseed on RollingGaugeOpts. -func NewRollingGauge(opts RollingGaugeOpts) RollingGauge { - window := NewWindow(WindowOpts{Size: opts.Size}) - policy := NewRollingPolicy(window, RollingPolicyOpts{BucketDuration: opts.BucketDuration}) - return &rollingGauge{ - policy: policy, - } -} - -func (r *rollingGauge) Add(val int64) { - r.policy.Append(float64(val)) -} - -func (r *rollingGauge) Reduce(f func(Iterator) float64) float64 { - return r.policy.Reduce(f) -} - -func (r *rollingGauge) Avg() float64 { - return r.policy.Reduce(Avg) -} - -func (r *rollingGauge) Min() float64 { - return r.policy.Reduce(Min) -} - -func (r *rollingGauge) Max() float64 { - return r.policy.Reduce(Max) -} - -func (r *rollingGauge) Sum() float64 { - return r.policy.Reduce(Sum) -} - -func (r *rollingGauge) Value() int64 { - return int64(r.Sum()) -} diff --git a/metric/rolling_gauge_test.go b/metric/rolling_gauge_test.go deleted file mode 100644 index 825ea15..0000000 --- a/metric/rolling_gauge_test.go +++ /dev/null @@ -1,192 +0,0 @@ -package metric - -import ( - "math/rand" - "testing" - "time" - - "github.com/stretchr/testify/assert" -) - -func TestRollingGaugeAdd(t *testing.T) { - size := 3 - bucketDuration := time.Second - opts := RollingGaugeOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingGauge(opts) - listBuckets := func() [][]float64 { - buckets := make([][]float64, 0) - r.Reduce(func(i Iterator) float64 { - for i.Next() { - bucket := i.Bucket() - buckets = append(buckets, bucket.Points) - } - return 0.0 - }) - return buckets - } - assert.Equal(t, [][]float64{{}, {}, {}}, listBuckets()) - r.Add(1) - assert.Equal(t, [][]float64{{}, {}, {1}}, listBuckets()) - time.Sleep(time.Second) - r.Add(2) - r.Add(3) - assert.Equal(t, [][]float64{{}, {1}, {2, 3}}, listBuckets()) - time.Sleep(time.Second) - r.Add(4) - r.Add(5) - r.Add(6) - assert.Equal(t, [][]float64{{1}, {2, 3}, {4, 5, 6}}, listBuckets()) - time.Sleep(time.Second) - r.Add(7) - assert.Equal(t, [][]float64{{2, 3}, {4, 5, 6}, {7}}, listBuckets()) -} - -func TestRollingGaugeReset(t *testing.T) { - size := 3 - bucketDuration := time.Second - opts := RollingGaugeOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingGauge(opts) - listBuckets := func() [][]float64 { - buckets := make([][]float64, 0) - r.Reduce(func(i Iterator) float64 { - for i.Next() { - bucket := i.Bucket() - buckets = append(buckets, bucket.Points) - } - return 0.0 - }) - return buckets - } - r.Add(1) - time.Sleep(time.Second) - assert.Equal(t, [][]float64{{}, {1}}, listBuckets()) - time.Sleep(time.Second) - assert.Equal(t, [][]float64{{1}}, listBuckets()) - time.Sleep(time.Second) - assert.Equal(t, [][]float64{}, listBuckets()) - - // cross window - r.Add(1) - time.Sleep(time.Second * 5) - assert.Equal(t, [][]float64{}, listBuckets()) -} - -func TestRollingGaugeReduce(t *testing.T) { - size := 3 - bucketDuration := time.Second - opts := RollingGaugeOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingGauge(opts) - for x := 0; x < size; x = x + 1 { - for i := 0; i <= x; i++ { - r.Add(int64(i)) - } - if x < size-1 { - time.Sleep(bucketDuration) - } - } - var result = r.Reduce(func(i Iterator) float64 { - var result float64 - for i.Next() { - bucket := i.Bucket() - for _, point := range bucket.Points { - result += point - } - } - return result - }) - if result != 4.0 { - t.Fatalf("Validate sum of points. result: %f", result) - } -} - -func TestRollingGaugeDataRace(t *testing.T) { - size := 3 - bucketDuration := time.Second - opts := RollingGaugeOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingGauge(opts) - var stop = make(chan bool) - go func() { - for { - select { - case <-stop: - return - default: - r.Add(rand.Int63()) - time.Sleep(time.Millisecond * 5) - } - } - }() - go func() { - for { - select { - case <-stop: - return - default: - _ = r.Reduce(func(i Iterator) float64 { - for i.Next() { - bucket := i.Bucket() - for range bucket.Points { - continue - } - } - return 0 - }) - } - } - }() - time.Sleep(time.Second * 3) - close(stop) -} - -func BenchmarkRollingGaugeIncr(b *testing.B) { - size := 10 - bucketDuration := time.Second - opts := RollingGaugeOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingGauge(opts) - b.ResetTimer() - for i := 0; i <= b.N; i++ { - r.Add(1.0) - } -} - -func BenchmarkRollingGaugeReduce(b *testing.B) { - size := 10 - bucketDuration := time.Second - opts := RollingGaugeOpts{ - Size: size, - BucketDuration: bucketDuration, - } - r := NewRollingGauge(opts) - for i := 0; i <= 10; i++ { - r.Add(1.0) - time.Sleep(time.Millisecond * 500) - } - b.ResetTimer() - for i := 0; i <= b.N; i++ { - var _ = r.Reduce(func(i Iterator) float64 { - var result float64 - for i.Next() { - bucket := i.Bucket() - if len(bucket.Points) != 0 { - result += bucket.Points[0] - } - } - return result - }) - } -} diff --git a/metric/rolling_policy.go b/metric/rolling_policy.go deleted file mode 100644 index 13e5516..0000000 --- a/metric/rolling_policy.go +++ /dev/null @@ -1,100 +0,0 @@ -package metric - -import ( - "sync" - "time" -) - -// RollingPolicy is a policy for ring window based on time duration. -// RollingPolicy moves bucket offset with time duration. -// e.g. If the last point is appended one bucket duration ago, -// RollingPolicy will increment current offset. -type RollingPolicy struct { - mu sync.RWMutex - size int - window *Window - offset int - - bucketDuration time.Duration - lastAppendTime time.Time -} - -// RollingPolicyOpts contains the arguments for creating RollingPolicy. -type RollingPolicyOpts struct { - BucketDuration time.Duration -} - -// NewRollingPolicy creates a new RollingPolicy based on the given window and RollingPolicyOpts. -func NewRollingPolicy(window *Window, opts RollingPolicyOpts) *RollingPolicy { - return &RollingPolicy{ - window: window, - size: window.Size(), - offset: 0, - - bucketDuration: opts.BucketDuration, - lastAppendTime: time.Now(), - } -} - -func (r *RollingPolicy) timespan() int { - v := int(time.Since(r.lastAppendTime) / r.bucketDuration) - if v > -1 { // maybe time backwards - return v - } - return r.size -} - -func (r *RollingPolicy) add(f func(offset int, val float64), val float64) { - r.mu.Lock() - timespan := r.timespan() - if timespan > 0 { - r.lastAppendTime = r.lastAppendTime.Add(time.Duration(timespan * int(r.bucketDuration))) - offset := r.offset - // reset the expired buckets - s := offset + 1 - if timespan > r.size { - timespan = r.size - } - e, e1 := s+timespan, 0 // e: reset offset must start from offset+1 - if e > r.size { - e1 = e - r.size - e = r.size - } - for i := s; i < e; i++ { - r.window.ResetBucket(i) - offset = i - } - for i := 0; i < e1; i++ { - r.window.ResetBucket(i) - offset = i - } - r.offset = offset - } - f(r.offset, val) - r.mu.Unlock() -} - -// Append appends the given points to the window. -func (r *RollingPolicy) Append(val float64) { - r.add(r.window.Append, val) -} - -// Add adds the given value to the latest point within bucket. -func (r *RollingPolicy) Add(val float64) { - r.add(r.window.Add, val) -} - -// Reduce applies the reduction function to all buckets within the window. -func (r *RollingPolicy) Reduce(f func(Iterator) float64) (val float64) { - r.mu.RLock() - timespan := r.timespan() - if count := r.size - timespan; count > 0 { - offset := r.offset + timespan + 1 - if offset >= r.size { - offset = offset - r.size - } - val = f(r.window.Iterator(offset, count)) - } - r.mu.RUnlock() - return val -} diff --git a/metric/rolling_policy_test.go b/metric/rolling_policy_test.go deleted file mode 100644 index 2792605..0000000 --- a/metric/rolling_policy_test.go +++ /dev/null @@ -1,67 +0,0 @@ -package metric - -import ( - "fmt" - "math/rand" - "testing" - "time" -) - -func GetRollingPolicy() *RollingPolicy { - w := NewWindow(WindowOpts{Size: 10}) - return NewRollingPolicy(w, RollingPolicyOpts{BucketDuration: 300 * time.Millisecond}) -} - -func Handler(t *testing.T, table []map[string][]int) { - for _, hm := range table { - var totalTs, lastOffset int - offsetAndPoints := hm["offsetAndPoints"] - timeSleep := hm["timeSleep"] - policy := GetRollingPolicy() - for i, n := range timeSleep { - totalTs += n - time.Sleep(time.Duration(n) * time.Millisecond) - policy.Add(1) - offset, points := offsetAndPoints[2*i], offsetAndPoints[2*i+1] - - if int(policy.window.window[offset].Points[0]) != points { - t.Errorf("error, time since last append: %vms, last offset: %v", totalTs, lastOffset) - } - lastOffset = offset - } - } -} - -func TestRollingPolicy_Add(t *testing.T) { - rand.Seed(time.Now().Unix()) - - // test add after 400ms and 601ms relative to the policy created time - policy := GetRollingPolicy() - time.Sleep(400 * time.Millisecond) - policy.Add(1) - time.Sleep(201 * time.Millisecond) - policy.Add(1) - for _, b := range policy.window.window { - fmt.Println(b.Points) - } - if int(policy.window.window[1].Points[0]) != 1 { - t.Errorf("error, time since last append: %vms, last offset: %v", 300, 0) - } - if int(policy.window.window[2].Points[0]) != 1 { - t.Errorf("error, time since last append: %vms, last offset: %v", 301, 0) - } - - // test func timespan return real span - table := []map[string][]int{ - { - "timeSleep": []int{294, 3200}, - "offsetAndPoints": []int{0, 1, 0, 1}, - }, - { - "timeSleep": []int{305, 3200, 6400}, - "offsetAndPoints": []int{1, 1, 1, 1, 1, 1}, - }, - } - - Handler(t, table) -} diff --git a/metric/window.go b/metric/window.go deleted file mode 100644 index e8a0d98..0000000 --- a/metric/window.go +++ /dev/null @@ -1,107 +0,0 @@ -package metric - -// Bucket contains multiple float64 points. -type Bucket struct { - Points []float64 - Count int64 - next *Bucket -} - -// Append appends the given value to the bucket. -func (b *Bucket) Append(val float64) { - b.Points = append(b.Points, val) - b.Count++ -} - -// Add adds the given value to the point. -func (b *Bucket) Add(offset int, val float64) { - b.Points[offset] += val - b.Count++ -} - -// Reset empties the bucket. -func (b *Bucket) Reset() { - b.Points = b.Points[:0] - b.Count = 0 -} - -// Next returns the next bucket. -func (b *Bucket) Next() *Bucket { - return b.next -} - -// Window contains multiple buckets. -type Window struct { - window []Bucket - size int -} - -// WindowOpts contains the arguments for creating Window. -type WindowOpts struct { - Size int -} - -// NewWindow creates a new Window based on WindowOpts. -func NewWindow(opts WindowOpts) *Window { - buckets := make([]Bucket, opts.Size) - for offset := range buckets { - buckets[offset] = Bucket{Points: make([]float64, 0)} - nextOffset := offset + 1 - if nextOffset == opts.Size { - nextOffset = 0 - } - buckets[offset].next = &buckets[nextOffset] - } - return &Window{window: buckets, size: opts.Size} -} - -// ResetWindow empties all buckets within the window. -func (w *Window) ResetWindow() { - for offset := range w.window { - w.ResetBucket(offset) - } -} - -// ResetBucket empties the bucket based on the given offset. -func (w *Window) ResetBucket(offset int) { - w.window[offset].Reset() -} - -// ResetBuckets empties the buckets based on the given offsets. -func (w *Window) ResetBuckets(offsets []int) { - for _, offset := range offsets { - w.ResetBucket(offset) - } -} - -// Append appends the given value to the bucket where index equals the given offset. -func (w *Window) Append(offset int, val float64) { - w.window[offset].Append(val) -} - -// Add adds the given value to the latest point within bucket where index equals the given offset. -func (w *Window) Add(offset int, val float64) { - if w.window[offset].Count == 0 { - w.window[offset].Append(val) - return - } - w.window[offset].Add(0, val) -} - -// Bucket returns the bucket where index equals the given offset. -func (w *Window) Bucket(offset int) Bucket { - return w.window[offset] -} - -// Size returns the size of the window. -func (w *Window) Size() int { - return w.size -} - -// Iterator returns the bucket iterator. -func (w *Window) Iterator(offset int, count int) Iterator { - return Iterator{ - count: count, - cur: &w.window[offset], - } -} diff --git a/metric/window_test.go b/metric/window_test.go deleted file mode 100644 index e49699a..0000000 --- a/metric/window_test.go +++ /dev/null @@ -1,68 +0,0 @@ -package metric - -import ( - "testing" - - "github.com/stretchr/testify/assert" -) - -func TestWindowResetWindow(t *testing.T) { - opts := WindowOpts{Size: 3} - window := NewWindow(opts) - for i := 0; i < opts.Size; i++ { - window.Append(i, 1.0) - } - window.ResetWindow() - for i := 0; i < opts.Size; i++ { - assert.Equal(t, len(window.Bucket(i).Points), 0) - } -} - -func TestWindowResetBucket(t *testing.T) { - opts := WindowOpts{Size: 3} - window := NewWindow(opts) - for i := 0; i < opts.Size; i++ { - window.Append(i, 1.0) - } - window.ResetBucket(1) - assert.Equal(t, len(window.Bucket(1).Points), 0) - assert.Equal(t, window.Bucket(0).Points[0], float64(1.0)) - assert.Equal(t, window.Bucket(2).Points[0], float64(1.0)) -} - -func TestWindowResetBuckets(t *testing.T) { - opts := WindowOpts{Size: 3} - window := NewWindow(opts) - for i := 0; i < opts.Size; i++ { - window.Append(i, 1.0) - } - window.ResetBuckets([]int{0, 1, 2}) - for i := 0; i < opts.Size; i++ { - assert.Equal(t, len(window.Bucket(i).Points), 0) - } -} - -func TestWindowAppend(t *testing.T) { - opts := WindowOpts{Size: 3} - window := NewWindow(opts) - for i := 0; i < opts.Size; i++ { - window.Append(i, 1.0) - } - for i := 0; i < opts.Size; i++ { - assert.Equal(t, window.Bucket(i).Points[0], float64(1.0)) - } -} - -func TestWindowAdd(t *testing.T) { - opts := WindowOpts{Size: 3} - window := NewWindow(opts) - window.Append(0, 1.0) - window.Add(0, 1.0) - assert.Equal(t, window.Bucket(0).Points[0], float64(2.0)) -} - -func TestWindowSize(t *testing.T) { - opts := WindowOpts{Size: 3} - window := NewWindow(opts) - assert.Equal(t, window.Size(), 3) -} diff --git a/ratelimiter/bbr/bbr.go b/ratelimiter/bbr/bbr.go index 2c909f9..22a3693 100644 --- a/ratelimiter/bbr/bbr.go +++ b/ratelimiter/bbr/bbr.go @@ -5,9 +5,9 @@ import ( "sync/atomic" "time" - "github.com/xiaojiaoyu100/lizard/cpukit" - "github.com/xiaojiaoyu100/lizard/group" - "github.com/xiaojiaoyu100/lizard/metric" + "github.com/go-kratos/kratos/pkg/container/group" + "github.com/go-kratos/kratos/pkg/stat/metric" + cpustat "github.com/go-kratos/kratos/pkg/stat/sys/cpu" "github.com/xiaojiaoyu100/lizard/ratelimiter" ) @@ -39,8 +39,8 @@ func cpuproc(logger ratelimiter.Logger) { // EMA algorithm: https://blog.csdn.net/m0_38106113/article/details/81542863 for range ticker.C { - stat := &cpukit.Stat{} - cpukit.ReadStat(stat) + stat := &cpustat.Stat{} + cpustat.ReadStat(stat) prevCpu := atomic.LoadInt64(&cpu) curCpu := int64(float64(prevCpu)*decay + float64(stat.Usage)*(1.0-decay)) atomic.StoreInt64(&cpu, curCpu) @@ -246,7 +246,8 @@ type Group struct { } // NewGroup new a limiter group container, if conf nil use default conf. -func NewGroup(conf *Config) *Group { +func NewGroup(conf *Config, logger ratelimiter.Logger) *Group { + go cpuproc(logger) if conf == nil { conf = defaultConf } diff --git a/ratelimiter/limitermiddleware/gin_middleware.go b/ratelimiter/limitermiddleware/gin_middleware.go index e6aafea..326a858 100644 --- a/ratelimiter/limitermiddleware/gin_middleware.go +++ b/ratelimiter/limitermiddleware/gin_middleware.go @@ -20,7 +20,7 @@ type LimiterMiddleware struct { func NewLimiterMiddleware(conf *bbr.Config, logger ratelimiter.Logger, abortHttpErr interface{}) *LimiterMiddleware { return &LimiterMiddleware{ - limiterGroup: bbr.NewGroup(conf), + limiterGroup: bbr.NewGroup(conf, logger), abortHttpErr: abortHttpErr, logger: logger, }