micro/network/transport/options.go

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package transport
import (
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"context"
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"crypto/tls"
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"time"
"github.com/unistack-org/micro/v3/codec"
"github.com/unistack-org/micro/v3/logger"
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)
type Options struct {
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// Addrs is the list of intermediary addresses to connect to
Addrs []string
// Codec is the codec interface to use where headers are not supported
// by the transport and the entire payload must be encoded
Codec codec.Codec
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// Secure tells the transport to secure the connection.
// In the case TLSConfig is not specified best effort self-signed
// certs should be used
Secure bool
// TLSConfig to secure the connection. The assumption is that this
// is mTLS keypair
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TLSConfig *tls.Config
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// Timeout sets the timeout for Send/Recv
Timeout time.Duration
// Logger sets the logger
Logger logger.Logger
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// Other options for implementations of the interface
// can be stored in a context
Context context.Context
}
// NewOptions returns new options
func NewOptions(opts ...Option) Options {
options := Options{
Logger: logger.DefaultLogger,
Context: context.Background(),
}
for _, o := range opts {
o(&options)
}
return options
}
// DialOptions struct
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type DialOptions struct {
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// Tells the transport this is a streaming connection with
// multiple calls to send/recv and that send may not even be called
Stream bool
// Timeout for dialing
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Timeout time.Duration
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// TODO: add tls options when dialling
// Currently set in global options
// Other options for implementations of the interface
// can be stored in a context
Context context.Context
}
// NewDialOptions returns new DialOptions
func NewDialOptions(opts ...DialOption) DialOptions {
options := DialOptions{
Timeout: DefaultDialTimeout,
Context: context.Background(),
}
for _, o := range opts {
o(&options)
}
return options
}
// ListenOptions struct
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type ListenOptions struct {
// TODO: add tls options when listening
// Currently set in global options
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// Other options for implementations of the interface
// can be stored in a context
Context context.Context
}
// NewListenOptions returns new ListenOptions
func NewListenOptions(opts ...ListenOption) ListenOptions {
options := ListenOptions{
Context: context.Background(),
}
for _, o := range opts {
o(&options)
}
return options
}
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// Addrs to use for transport
func Addrs(addrs ...string) Option {
return func(o *Options) {
o.Addrs = addrs
}
}
// Logger sets the logger
func Logger(l logger.Logger) Option {
return func(o *Options) {
o.Logger = l
}
}
// Context sets the context
func Context(ctx context.Context) Option {
return func(o *Options) {
o.Context = ctx
}
}
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// Codec sets the codec used for encoding where the transport
// does not support message headers
func Codec(c codec.Codec) Option {
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return func(o *Options) {
o.Codec = c
}
}
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// Timeout sets the timeout for Send/Recv execution
func Timeout(t time.Duration) Option {
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return func(o *Options) {
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o.Timeout = t
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}
}
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// Use secure communication. If TLSConfig is not specified we
// use InsecureSkipVerify and generate a self signed cert
func Secure(b bool) Option {
return func(o *Options) {
o.Secure = b
}
}
// TLSConfig to be used for the transport.
func TLSConfig(t *tls.Config) Option {
return func(o *Options) {
o.TLSConfig = t
}
}
// WithStream indicates whether this is a streaming connection
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func WithStream() DialOption {
return func(o *DialOptions) {
o.Stream = true
}
}
// WithTimeout used when dialling the remote side
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func WithTimeout(d time.Duration) DialOption {
return func(o *DialOptions) {
o.Timeout = d
}
}