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options.go
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options.go
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// Copyright 2019 Andy Pan. All rights reserved.
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package gnet
import "time"
// Option is a function that will set up option.
type Option func(opts *Options)
func initOptions(options ...Option) *Options {
opts := new(Options)
for _, option := range options {
option(opts)
}
return opts
}
// Options are set when the client opens.
type Options struct {
// Multicore indicates whether the server will be effectively created with multi-cores, if so,
// then you must take care with synchronizing memory between all event callbacks, otherwise,
// it will run the server with single thread. The number of threads in the server will be automatically
// assigned to the value of runtime.NumCPU().
Multicore bool
// ReusePort indicates whether to set up the SO_REUSEPORT socket option.
ReusePort bool
// Ticker indicates whether the ticker has been set up.
Ticker bool
// TCPKeepAlive (SO_KEEPALIVE) socket option.
TCPKeepAlive time.Duration
}
// WithOptions sets up all options.
func WithOptions(options Options) Option {
return func(opts *Options) {
*opts = options
}
}
// WithMulticore sets up multi-cores with gnet.
func WithMulticore(multicore bool) Option {
return func(opts *Options) {
opts.Multicore = multicore
}
}
// WithReusePort sets up SO_REUSEPORT socket option.
func WithReusePort(reusePort bool) Option {
return func(opts *Options) {
opts.ReusePort = reusePort
}
}
// WithTCPKeepAlive sets up SO_KEEPALIVE socket option.
func WithTCPKeepAlive(tcpKeepAlive time.Duration) Option {
return func(opts *Options) {
opts.TCPKeepAlive = tcpKeepAlive
}
}
// WithTicker indicates that a ticker is set.
func WithTicker(ticker bool) Option {
return func(opts *Options) {
opts.Ticker = ticker
}
}