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botserver.go
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botserver.go
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package main
import (
"fmt"
"github.com/kimxilxyong/rpcbotinterfaceobjects"
"log"
"net"
"net/rpc"
"os"
"os/signal"
"runtime"
)
func init() {
runtime.GOMAXPROCS(runtime.NumCPU())
}
func main() {
InstallCtrlCPanic()
InstallKillPanic()
bot := new(rpcbotinterfaceobjects.Bot)
rpc.Register(bot)
listener, e := net.Listen("tcp", ":9876")
if e != nil {
log.Fatal("listen error:", e)
}
fmt.Println("Server listening")
rpc.Accept(listener)
}
// InstallCtrlCPanic installs a Ctrl-C signal handler that panics
func InstallCtrlCPanic() {
go func() {
defer SavePanicTrace()
ch := make(chan os.Signal, 1)
signal.Notify(ch, os.Interrupt)
for _ = range ch {
panic("ctrl-c")
}
}()
}
// InstallKillPanic installs a kill signal handler that panics
// From the command-line, this signal is agitated with kill -ABRT
func InstallKillPanic() {
go func() {
//defer SavePanicTrace()
ch := make(chan os.Signal, 1)
signal.Notify(ch, os.Kill)
for _ = range ch {
panic("sigkill")
}
}()
}
func SavePanicTrace() {
r := recover()
if r == nil {
return
}
// Redirect stderr
file, err := os.Create("panic")
if err != nil {
panic("dumper (no file) " + r.(fmt.Stringer).String())
}
//syscall.Dup2(int(file.Fd()), int(os.Stderr.Fd()))
defer func() { file.Close() }()
panic("dumper " + r.(string))
}