81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
package prox5
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
)
|
|
|
|
func init() {
|
|
debugMutex = &sync.RWMutex{}
|
|
}
|
|
|
|
var (
|
|
useDebugChannel = false
|
|
debugChan chan string
|
|
debugMutex *sync.RWMutex
|
|
)
|
|
|
|
type DebugPrinter interface {
|
|
Print(str string)
|
|
Printf(format string, items ...any)
|
|
}
|
|
|
|
type basicPrinter struct{}
|
|
|
|
func (b basicPrinter) Print(str string) {
|
|
println("[prox5] " + str)
|
|
}
|
|
|
|
func (b basicPrinter) Printf(format string, items ...any) {
|
|
println(fmt.Sprintf("prox5: "+format, items))
|
|
}
|
|
|
|
// DebugChannel will return a channel which will receive debug messages once debug is enabled.
|
|
// This will alter the flow of debug messages, they will no longer print to console, they will be pushed into this channel.
|
|
// Make sure you pull from the channel eventually to avoid build up of blocked goroutines.
|
|
func (pe *ProxyEngine) DebugChannel() chan string {
|
|
debugChan = make(chan string, 1000000)
|
|
useDebugChannel = true
|
|
return debugChan
|
|
}
|
|
|
|
// DebugEnabled returns the current state of our debug switch.
|
|
func (pe *ProxyEngine) DebugEnabled() bool {
|
|
return pe.swampopt.debug
|
|
}
|
|
|
|
// DisableDebugChannel redirects debug messages back to the console.
|
|
// DisableProxyChannel does not disable debug, use DisableDebug().
|
|
func (pe *ProxyEngine) DisableDebugChannel() {
|
|
debugMutex.Lock()
|
|
defer debugMutex.Unlock()
|
|
useDebugChannel = false
|
|
}
|
|
|
|
// EnableDebug enables printing of verbose messages during operation
|
|
func (pe *ProxyEngine) EnableDebug() {
|
|
pe.swampopt.debug = true
|
|
}
|
|
|
|
// DisableDebug enables printing of verbose messages during operation.
|
|
// WARNING: if you are using a DebugChannel, you must read all of the messages in the channel's cache or this will block.
|
|
func (pe *ProxyEngine) DisableDebug() {
|
|
pe.swampopt.debug = false
|
|
}
|
|
|
|
func (pe *ProxyEngine) dbgPrint(str string) {
|
|
if !pe.swampopt.debug {
|
|
return
|
|
}
|
|
if !useDebugChannel {
|
|
pe.Debug.Print(str)
|
|
return
|
|
}
|
|
select {
|
|
case debugChan <- str:
|
|
return
|
|
default:
|
|
pe.Debug.Print("overflow: " + str)
|
|
}
|
|
}
|