First commit

server/config.go

@@ -0,0 +1,75 @@
+package server
+
+import (
+	"net"
+
+	"github.com/miekg/coredns/middleware"
+)
+
+// Config configuration for a single server.
+type Config struct {
+	// The hostname or IP on which to serve
+	Host string
+
+	// The host address to bind on - defaults to (virtual) Host if empty
+	BindHost string
+
+	// The port to listen on
+	Port string
+
+	// The directory from which to parse db files
+	Root string
+
+	// HTTPS configuration
+	TLS TLSConfig
+
+	// Middleware stack
+	Middleware []middleware.Middleware
+
+	// Startup is a list of functions (or methods) to execute at
+	// server startup and restart; these are executed before any
+	// parts of the server are configured, and the functions are
+	// blocking. These are good for setting up middlewares and
+	// starting goroutines.
+	Startup []func() error
+
+	// FirstStartup is like Startup but these functions only execute
+	// during the initial startup, not on subsequent restarts.
+	//
+	// (Note: The server does not ever run these on its own; it is up
+	// to the calling application to do so, and do so only once, as the
+	// server itself has no notion whether it's a restart or not.)
+	FirstStartup []func() error
+
+	// Functions (or methods) to execute when the server quits;
+	// these are executed in response to SIGINT and are blocking
+	Shutdown []func() error
+
+	// The path to the configuration file from which this was loaded
+	ConfigFile string
+
+	// The name of the application
+	AppName string
+
+	// The application's version
+	AppVersion string
+}
+
+// Address returns the host:port of c as a string.
+func (c Config) Address() string {
+	return net.JoinHostPort(c.Host, c.Port)
+}
+
+// TLSConfig describes how TLS should be configured and used.
+type TLSConfig struct {
+	Enabled                  bool // will be set to true if TLS is enabled
+	LetsEncryptEmail         string
+	Manual                   bool // will be set to true if user provides own certs and keys
+	Managed                  bool // will be set to true if config qualifies for implicit automatic/managed HTTPS
+	OnDemand                 bool // will be set to true if user enables on-demand TLS (obtain certs during handshakes)
+	Ciphers                  []uint16
+	ProtocolMinVersion       uint16
+	ProtocolMaxVersion       uint16
+	PreferServerCipherSuites bool
+	ClientCerts              []string
+}