// Starts and runs the server given its configuration. (This function never returns.)
func RunServer(config *ServerConfig) {
PrettyPrint = config.Pretty
if os.Getenv("GOMAXPROCS") == "" && runtime.GOMAXPROCS(0) == 1 {
cpus := runtime.NumCPU()
if cpus > 1 {
runtime.GOMAXPROCS(cpus)
base.Log("Configured Go to use all %d CPUs; setenv GOMAXPROCS to override this", cpus)
}
}
sc := NewServerContext(config)
for _, dbConfig := range config.Databases {
if err := sc.AddDatabaseFromConfig(dbConfig); err != nil {
base.LogFatal("Error opening database: %v", err)
}
}
base.Log("Starting admin server on %s", *config.AdminInterface)
go func() {
if err := http.ListenAndServe(*config.AdminInterface, CreateAdminHandler(sc)); err != nil {
base.LogFatal("HTTP server failed: %v", err)
}
}()
base.Log("Starting server on %s ...", *config.Interface)
if err := http.ListenAndServe(*config.Interface, CreatePublicHandler(sc)); err != nil {
base.LogFatal("HTTP server failed: %v", err)
}
}
// Starts and runs the server given its configuration. (This function never returns.)
func RunServer(config *ServerConfig) {
PrettyPrint = config.Pretty
base.Log("==== %s ====", LongVersionString)
if os.Getenv("GOMAXPROCS") == "" && runtime.GOMAXPROCS(0) == 1 {
cpus := runtime.NumCPU()
if cpus > 1 {
runtime.GOMAXPROCS(cpus)
base.Log("Configured Go to use all %d CPUs; setenv GOMAXPROCS to override this", cpus)
}
}
setMaxFileDescriptors(config.MaxFileDescriptors)
sc := NewServerContext(config)
for _, dbConfig := range config.Databases {
if _, err := sc.AddDatabaseFromConfig(dbConfig); err != nil {
base.LogFatal("Error opening database: %v", err)
}
}
if config.ProfileInterface != nil {
//runtime.MemProfileRate = 10 * 1024
base.Log("Starting profile server on %s", *config.ProfileInterface)
go func() {
http.ListenAndServe(*config.ProfileInterface, nil)
}()
}
base.Log("Starting admin server on %s", *config.AdminInterface)
go config.serve(*config.AdminInterface, CreateAdminHandler(sc))
base.Log("Starting server on %s ...", *config.Interface)
config.serve(*config.Interface, CreatePublicHandler(sc))
}
// Starts and runs the server given its configuration. (This function never returns.)
func RunServer(config *ServerConfig) {
PrettyPrint = config.Pretty
sc := newServerContext(config)
for _, dbConfig := range config.Databases {
if err := sc.addDatabaseFromConfig(dbConfig); err != nil {
base.LogFatal("Error opening database: %v", err)
}
}
http.Handle("/", createHandler(sc))
base.Log("Starting auth server on %s", *config.AdminInterface)
StartAuthListener(*config.AdminInterface, sc)
base.Log("Starting server on %s ...", *config.Interface)
if err := http.ListenAndServe(*config.Interface, nil); err != nil {
base.LogFatal("Server failed: ", err.Error())
}
}
func (config *ServerConfig) serve(addr string, handler http.Handler) {
maxConns := DefaultMaxIncomingConnections
if config.MaxIncomingConnections != nil {
maxConns = *config.MaxIncomingConnections
}
err := base.ListenAndServeHTTP(addr, maxConns, config.SSLCert, config.SSLKey, handler)
if err != nil {
base.LogFatal("Failed to start HTTP server on %s: %v", addr, err)
}
}
func setMaxFileDescriptors(maxP *uint64) {
maxFDs := DefaultMaxFileDescriptors
if maxP != nil {
maxFDs = *maxP
}
var limits syscall.Rlimit
if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &limits); err != nil {
base.LogFatal("Getrlimit failed: %v", err)
}
if maxFDs > limits.Max {
maxFDs = limits.Max
}
if limits.Cur != maxFDs {
limits.Cur = maxFDs
limits.Max = maxFDs
err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &limits)
if err != nil {
base.LogFatal("Error raising MaxFileDescriptors to %d: %v", maxFDs, err)
}
base.Log("Configured MaxFileDescriptors (RLIMIT_NOFILE) to %d", maxFDs)
}
}
// Reads the command line flags and the optional config file.
func ParseCommandLine() *ServerConfig {
siteURL := flag.String("personaOrigin", "", "Base URL that clients use to connect to the server")
addr := flag.String("interface", DefaultInterface, "Address to bind to")
authAddr := flag.String("adminInterface", DefaultAdminInterface, "Address to bind admin interface to")
couchbaseURL := flag.String("url", DefaultServer, "Address of Couchbase server")
poolName := flag.String("pool", DefaultPool, "Name of pool")
bucketName := flag.String("bucket", "sync_gateway", "Name of bucket")
dbName := flag.String("dbname", "", "Name of CouchDB database (defaults to name of bucket)")
pretty := flag.Bool("pretty", false, "Pretty-print JSON responses")
verbose := flag.Bool("verbose", false, "Log more info about requests")
logKeys := flag.String("log", "", "Log keywords, comma separated")
flag.Parse()
var config *ServerConfig
if flag.NArg() > 0 {
// Read the configuration file(s), if any:
for i := 0; i < flag.NArg(); i++ {
filename := flag.Arg(i)
c, err := ReadConfig(filename)
if err != nil {
base.LogFatal("Error reading config file %s: %v", filename, err)
}
if config == nil {
config = c
} else {
if err := config.MergeWith(c); err != nil {
base.LogFatal("Error reading config file %s: %v", filename, err)
}
}
}
// Override the config file with global settings from command line flags:
if *addr != DefaultInterface {
config.Interface = addr
}
if *authAddr != DefaultAdminInterface {
config.AdminInterface = authAddr
}
if *pretty {
config.Pretty = *pretty
}
if config.Log != nil {
base.ParseLogFlags(config.Log)
}
if len(config.Databases) == 0 {
base.LogFatal("No databases!")
}
if config.Interface == nil {
config.Interface = &DefaultInterface
}
if config.AdminInterface == nil {
config.AdminInterface = &DefaultAdminInterface
}
} else {
// If no config file is given, create a default config, filled in from command line flags:
if *dbName == "" {
*dbName = *bucketName
}
config = &ServerConfig{
Interface: addr,
AdminInterface: authAddr,
Pretty: *pretty,
Databases: map[string]*DbConfig{
*dbName: {
Server: couchbaseURL,
Bucket: bucketName,
Pool: poolName,
},
},
}
}
if *siteURL != "" {
config.Persona = &PersonaConfig{Origin: *siteURL}
}
base.LogKeys["HTTP"] = true
base.LogKeys["HTTP+"] = *verbose
base.ParseLogFlag(*logKeys)
return config
}
