lbcd/btcd.go
Dave Collins 10907027b7 Change failure to talk to DNS seeders to debug.
This is just a temporary failure and shouldn't be a warning.  Also,
remove redundant prefix on profile server log print while here.
2013-10-10 20:30:55 -05:00

98 lines
2.1 KiB
Go

// Copyright (c) 2013 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package main
import (
"net"
"net/http"
_ "net/http/pprof"
"os"
"runtime"
)
var (
cfg *config
)
// btcdMain is the real main function for btcd. It is necessary to work around
// the fact that deferred functions do not run when os.Exit() is called.
func btcdMain() error {
// Initialize logging and setup deferred flushing to ensure all
// outstanding messages are written on shutdown.
loggers := setLogLevel(defaultLogLevel)
defer func() {
for _, logger := range loggers {
logger.Flush()
}
}()
// Load configuration and parse command line.
tcfg, _, err := loadConfig()
if err != nil {
return err
}
cfg = tcfg
// Change the logging level if needed.
if cfg.DebugLevel != defaultLogLevel {
loggers = setLogLevel(cfg.DebugLevel)
}
// See if we want to enable profiling.
if cfg.Profile != "" {
go func() {
listenAddr := net.JoinHostPort("", cfg.Profile)
log.Infof("Profile server listening on %s", listenAddr)
log.Errorf("%v", http.ListenAndServe(listenAddr, nil))
}()
}
// Perform upgrades to btcd as new versions require it.
if err := doUpgrades(); err != nil {
log.Errorf("%v", err)
return err
}
// Load the block database.
db, err := loadBlockDB()
if err != nil {
log.Errorf("%v", err)
return err
}
defer db.Close()
// Ensure the database is sync'd and closed on Ctrl+C.
addInterruptHandler(func() {
db.RollbackClose()
})
// Create server and start it.
listenAddr := net.JoinHostPort("", cfg.Port)
server, err := newServer(listenAddr, db, activeNetParams.btcnet)
if err != nil {
log.Errorf("Unable to start server on %v", listenAddr)
log.Errorf("%v", err)
return err
}
server.Start()
server.WaitForShutdown()
return nil
}
func main() {
// Use all processor cores.
runtime.GOMAXPROCS(runtime.NumCPU())
// Up some limits.
if err := setLimits(); err != nil {
os.Exit(1)
}
// Work around defer not working after os.Exit()
if err := btcdMain(); err != nil {
os.Exit(1)
}
}