/
config.go
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/
config.go
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// Copyright 2021-2024 antlabs. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package quickws
import (
"errors"
"net"
"net/http"
"net/url"
"time"
"github.com/antlabs/wsutil/enum"
)
var ErrDialFuncAndProxyFunc = errors.New("dialFunc and proxyFunc can't be set at the same time")
type Dialer interface {
Dial(network, addr string) (c net.Conn, err error)
}
type Config struct {
Callback
tcpNoDelay bool
replyPing bool // 开启自动回复
decompression bool // 开启解压缩功能
compression bool // 开启压缩功能
ignorePong bool // 忽略pong消息
disableBufioClearHack bool // 关闭bufio的clear hack优化
utf8Check func([]byte) bool // utf8检查
readTimeout time.Duration
windowsMultipleTimesPayloadSize float32 // 设置几倍(1024+14)的payload大小
bufioMultipleTimesPayloadSize float32 // 设置几倍(1024)的payload大小
parseMode parseMode // 解析模式
maxDelayWriteNum int32 // 最大延迟包的个数, 默认值为10
delayWriteInitBufferSize int32 // 延迟写入的初始缓冲区大小, 默认值是8k
maxDelayWriteDuration time.Duration // 最大延迟时间, 默认值是10ms
subProtocols []string // 设置支持的子协议
dialFunc func() (Dialer, error)
proxyFunc func(*http.Request) (*url.URL, error) //
}
func (c *Config) initPayloadSize() int {
return int((1024.0 + float32(enum.MaxFrameHeaderSize)) * c.windowsMultipleTimesPayloadSize)
}
// 默认设置
func (c *Config) defaultSetting() error {
c.Callback = &DefCallback{}
c.maxDelayWriteNum = 10
c.windowsMultipleTimesPayloadSize = 1.0
c.delayWriteInitBufferSize = 8 * 1024
c.maxDelayWriteDuration = 10 * time.Millisecond
c.tcpNoDelay = true
c.parseMode = ParseModeWindows
// 对于text消息,默认不检查text是utf8字符
c.utf8Check = func(b []byte) bool { return true }
if c.dialFunc != nil && c.proxyFunc != nil {
return ErrDialFuncAndProxyFunc
}
return nil
}