34c0db9dff
This new package has significant better resource usage, and we do a _lot_ of JSON parsing in this application, so any amount of improvement becomes significant
53 lines
1.7 KiB
Go
53 lines
1.7 KiB
Go
package server
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import (
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"sync"
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"sync/atomic"
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"github.com/pterodactyl/wings/environment"
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"github.com/pterodactyl/wings/system"
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)
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// ResourceUsage defines the current resource usage for a given server instance. If a server is offline you
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// should obviously expect memory and CPU usage to be 0. However, disk will always be returned
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// since that is not dependent on the server being running to collect that data.
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type ResourceUsage struct {
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mu sync.RWMutex
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// Embed the current environment stats into this server specific resource usage struct.
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environment.Stats
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// The current server status.
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State *system.AtomicString `json:"state"`
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// The current disk space being used by the server. This value is not guaranteed to be accurate
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// at all times. It is "manually" set whenever server.Proc() is called. This is kind of just a
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// hacky solution for now to avoid passing events all over the place.
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Disk int64 `json:"disk_bytes"`
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}
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// Proc returns the current resource usage stats for the server instance. This returns
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// a copy of the tracked resources, so making any changes to the response will not
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// have the desired outcome for you most likely.
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func (s *Server) Proc() ResourceUsage {
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s.resources.mu.Lock()
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defer s.resources.mu.Unlock()
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// Store the updated disk usage when requesting process usage.
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atomic.StoreInt64(&s.resources.Disk, s.Filesystem().CachedUsage())
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//goland:noinspection GoVetCopyLock
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return s.resources
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}
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// Reset resets the usages values to zero, used when a server is stopped to ensure we don't hold
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// onto any values incorrectly.
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func (ru *ResourceUsage) Reset() {
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ru.mu.Lock()
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defer ru.mu.Unlock()
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ru.Memory = 0
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ru.CpuAbsolute = 0
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ru.Uptime = 0
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ru.Network.TxBytes = 0
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ru.Network.RxBytes = 0
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}
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