63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
package main
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// Should be enough for wide-screen terminals
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const HistoryLimit = 1024
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// Data holds actual data values, being a buffer for
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// UI widges and responsible for flushing/updating/deleting
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// old values.
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type Data struct {
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cpu *CircularBuffer
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mem *CircularBuffer
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txBytes *CircularBuffer
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rxBytes *CircularBuffer
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}
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// NewData inits new data object.
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func NewData() *Data {
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return &Data{
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cpu: NewCircularBuffer(HistoryLimit),
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mem: NewCircularBuffer(HistoryLimit),
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txBytes: NewCircularBuffer(HistoryLimit),
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rxBytes: NewCircularBuffer(HistoryLimit),
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}
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}
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// AddCPUValue inserts new CPU measurements into data.
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func (d *Data) AddCPUValue(value float64) {
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d.cpu.Add(value)
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}
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// AddMemoryStats inserts new memory measurements into data.
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func (d *Data) AddMemoryStats(used uint64) {
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d.mem.Add(float64(used))
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}
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// AddNetworkStats inserts new network stats into data.
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func (d *Data) AddNetworkStats(rx, tx int64) {
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d.rxBytes.Add(float64(rx))
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d.txBytes.Add(float64(tx))
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}
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// CPU returns CPU values.
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func (d *Data) CPU() []float64 {
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return d.cpu.Data()
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}
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// MemoryStats returns memory usage stat values.
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func (d *Data) MemoryStats() (used []float64) {
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return d.mem.Data()
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}
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// NetworkStats returns network stat values.
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func (d *Data) NetworkStats() (rx, tx []float64) {
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return d.rxBytes.Data(), d.txBytes.Data()
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}
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// Clear clears all data.
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func (d *Data) Clear() {
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for _, b := range [...]*CircularBuffer{d.cpu, d.mem, d.rxBytes, d.txBytes} {
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b.Reset()
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}
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}
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