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package app
import (
"sync"
"codeberg.org/snonux/loadbars/internal/collector"
"codeberg.org/snonux/loadbars/internal/stats"
)
// Store holds current stats from all hosts and implements collector.StatsStore.
type Store struct {
mu sync.RWMutex
// host -> *hostData
hosts map[string]*hostData
}
type hostData struct {
load1, load5, load15 string
mem map[string]int64
net map[string]stats.NetStamp
cpu map[string]collector.CPULine
}
// Compile-time interface satisfaction checks.
var _ stats.Source = (*Store)(nil)
var _ collector.StatsStore = (*Store)(nil)
// NewStore creates an empty store.
func NewStore() *Store {
return &Store{hosts: make(map[string]*hostData)}
}
// SetLoadAvg sets the load average for the given host.
func (s *Store) SetLoadAvg(host, load1, load5, load15 string) {
s.mu.Lock()
defer s.mu.Unlock()
d := s.getOrCreate(host)
d.load1, d.load5, d.load15 = load1, load5, load15
}
// SetCPU sets the CPU line for the given host and CPU name.
func (s *Store) SetCPU(host, name string, line collector.CPULine) {
s.mu.Lock()
defer s.mu.Unlock()
d := s.getOrCreate(host)
d.cpu[name] = line
}
// SetMem sets a meminfo key/value for the given host.
func (s *Store) SetMem(host, key string, value int64) {
s.mu.Lock()
defer s.mu.Unlock()
d := s.getOrCreate(host)
d.mem[key] = value
}
// SetNet sets the network stamp for the given host and interface.
func (s *Store) SetNet(host, iface string, net collector.NetLine, stamp float64) {
s.mu.Lock()
defer s.mu.Unlock()
d := s.getOrCreate(host)
d.net[iface] = stats.NetStamp{B: net.B, Tb: net.Tb, Stamp: stamp}
}
// Snapshot returns a copy of current stats for all hosts for the display.
func (s *Store) Snapshot() map[string]*stats.HostStats {
s.mu.RLock()
defer s.mu.RUnlock()
out := make(map[string]*stats.HostStats, len(s.hosts))
for h, d := range s.hosts {
mem := make(map[string]int64, len(d.mem))
for k, v := range d.mem {
mem[k] = v
}
net := make(map[string]stats.NetStamp, len(d.net))
for k, v := range d.net {
net[k] = v
}
cpu := make(map[string]collector.CPULine, len(d.cpu))
for k, v := range d.cpu {
cpu[k] = v
}
out[h] = &stats.HostStats{
LoadAvg1: d.load1,
LoadAvg5: d.load5,
LoadAvg15: d.load15,
Mem: mem,
Net: net,
CPU: cpu,
}
}
return out
}
func (s *Store) getOrCreate(host string) *hostData {
if s.hosts[host] == nil {
s.hosts[host] = &hostData{
mem: make(map[string]int64),
net: make(map[string]stats.NetStamp),
cpu: make(map[string]collector.CPULine),
}
}
return s.hosts[host]
}
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