69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
// Module for managing statistics for DNS filtering server
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package stats
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import (
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"net"
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)
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type unitIDCallback func() uint32
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// New - create object
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// filename: DB file name
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// limit: time limit (in days)
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// unitID: user function to get the current unit ID. If nil, the current time hour is used.
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func New(filename string, limit uint32, unitID unitIDCallback) (Stats, error) {
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return createObject(filename, limit, unitID)
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}
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// Stats - main interface
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type Stats interface {
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// Close object.
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// This function is not thread safe
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// (can't be called in parallel with any other function of this interface).
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Close()
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// Set new configuration at runtime.
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// limit: time limit (in days)
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Configure(limit int)
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// Reset counters and clear database
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Clear()
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// Update counters
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Update(e Entry)
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// Get data
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GetData(timeUnit TimeUnit) map[string]interface{}
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}
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// TimeUnit - time unit
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type TimeUnit int
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// Supported time units
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const (
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Hours TimeUnit = iota
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Days
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)
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// Result of DNS request processing
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type Result int
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// Supported result values
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const (
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RNotFiltered Result = iota + 1
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RFiltered
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RSafeBrowsing
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RSafeSearch
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RParental
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rLast
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)
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// Entry - data to add
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type Entry struct {
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Domain string
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Client net.IP
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Result Result
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Time uint32 // processing time (msec)
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}
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