128 lines
3.6 KiB
Go
128 lines
3.6 KiB
Go
package udp
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import (
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"time"
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"github.com/influxdata/influxdb/monitor/diagnostics"
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"github.com/influxdata/influxdb/toml"
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)
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const (
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// DefaultBindAddress is the default binding interface if none is specified.
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DefaultBindAddress = ":8089"
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// DefaultDatabase is the default database for UDP traffic.
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DefaultDatabase = "udp"
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// DefaultRetentionPolicy is the default retention policy used for writes.
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DefaultRetentionPolicy = ""
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// DefaultBatchSize is the default UDP batch size.
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DefaultBatchSize = 5000
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// DefaultBatchPending is the default number of pending UDP batches.
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DefaultBatchPending = 10
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// DefaultBatchTimeout is the default UDP batch timeout.
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DefaultBatchTimeout = time.Second
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// DefaultPrecision is the default time precision used for UDP services.
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DefaultPrecision = "n"
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// DefaultReadBuffer is the default buffer size for the UDP listener.
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// Sets the size of the operating system's receive buffer associated with
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// the UDP traffic. Keep in mind that the OS must be able
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// to handle the number set here or the UDP listener will error and exit.
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//
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// DefaultReadBuffer = 0 means to use the OS default, which is usually too
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// small for high UDP performance.
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//
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// Increasing OS buffer limits:
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// Linux: sudo sysctl -w net.core.rmem_max=<read-buffer>
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// BSD/Darwin: sudo sysctl -w kern.ipc.maxsockbuf=<read-buffer>
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DefaultReadBuffer = 0
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)
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// Config holds various configuration settings for the UDP listener.
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type Config struct {
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Enabled bool `toml:"enabled"`
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BindAddress string `toml:"bind-address"`
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Database string `toml:"database"`
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RetentionPolicy string `toml:"retention-policy"`
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BatchSize int `toml:"batch-size"`
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BatchPending int `toml:"batch-pending"`
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ReadBuffer int `toml:"read-buffer"`
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BatchTimeout toml.Duration `toml:"batch-timeout"`
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Precision string `toml:"precision"`
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}
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// NewConfig returns a new instance of Config with defaults.
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func NewConfig() Config {
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return Config{
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BindAddress: DefaultBindAddress,
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Database: DefaultDatabase,
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RetentionPolicy: DefaultRetentionPolicy,
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BatchSize: DefaultBatchSize,
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BatchPending: DefaultBatchPending,
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BatchTimeout: toml.Duration(DefaultBatchTimeout),
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}
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}
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// WithDefaults takes the given config and returns a new config with any required
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// default values set.
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func (c *Config) WithDefaults() *Config {
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d := *c
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if d.Database == "" {
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d.Database = DefaultDatabase
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}
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if d.BatchSize == 0 {
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d.BatchSize = DefaultBatchSize
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}
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if d.BatchPending == 0 {
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d.BatchPending = DefaultBatchPending
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}
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if d.BatchTimeout == 0 {
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d.BatchTimeout = toml.Duration(DefaultBatchTimeout)
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}
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if d.Precision == "" {
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d.Precision = DefaultPrecision
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}
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if d.ReadBuffer == 0 {
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d.ReadBuffer = DefaultReadBuffer
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}
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return &d
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}
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// Configs wraps a slice of Config to aggregate diagnostics.
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type Configs []Config
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// Diagnostics returns one set of diagnostics for all of the Configs.
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func (c Configs) Diagnostics() (*diagnostics.Diagnostics, error) {
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d := &diagnostics.Diagnostics{
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Columns: []string{"enabled", "bind-address", "database", "retention-policy", "batch-size", "batch-pending", "batch-timeout"},
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}
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for _, cc := range c {
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if !cc.Enabled {
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d.AddRow([]interface{}{false})
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continue
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}
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r := []interface{}{true, cc.BindAddress, cc.Database, cc.RetentionPolicy, cc.BatchSize, cc.BatchPending, cc.BatchTimeout}
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d.AddRow(r)
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}
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return d, nil
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}
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// Enabled returns true if any underlying Config is Enabled.
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func (c Configs) Enabled() bool {
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for _, cc := range c {
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if cc.Enabled {
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return true
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}
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}
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return false
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}
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