/
config.go
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/
config.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 getty
import (
"time"
)
import (
perrors "github.com/pkg/errors"
)
import (
"github.com/apache/dubbo-go/config"
)
const (
TCPReadWriteTimeoutMinValue = time.Second * 1
)
type (
// GettySessionParam is session configuration for getty
GettySessionParam struct {
CompressEncoding bool `default:"false" yaml:"compress_encoding" json:"compress_encoding,omitempty"`
TcpNoDelay bool `default:"true" yaml:"tcp_no_delay" json:"tcp_no_delay,omitempty"`
TcpKeepAlive bool `default:"true" yaml:"tcp_keep_alive" json:"tcp_keep_alive,omitempty"`
KeepAlivePeriod string `default:"180s" yaml:"keep_alive_period" json:"keep_alive_period,omitempty"`
keepAlivePeriod time.Duration
TcpRBufSize int `default:"262144" yaml:"tcp_r_buf_size" json:"tcp_r_buf_size,omitempty"`
TcpWBufSize int `default:"65536" yaml:"tcp_w_buf_size" json:"tcp_w_buf_size,omitempty"`
TcpReadTimeout string `default:"1s" yaml:"tcp_read_timeout" json:"tcp_read_timeout,omitempty"`
tcpReadTimeout time.Duration
TcpWriteTimeout string `default:"5s" yaml:"tcp_write_timeout" json:"tcp_write_timeout,omitempty"`
tcpWriteTimeout time.Duration
WaitTimeout string `default:"7s" yaml:"wait_timeout" json:"wait_timeout,omitempty"`
waitTimeout time.Duration
MaxMsgLen int `default:"1024" yaml:"max_msg_len" json:"max_msg_len,omitempty"`
SessionName string `default:"rpc" yaml:"session_name" json:"session_name,omitempty"`
}
// ServerConfig holds supported types by the multiconfig package
ServerConfig struct {
SSLEnabled bool
// heartbeat
HeartbeatPeriod string `default:"60s" yaml:"heartbeat_period" json:"heartbeat_period,omitempty"`
heartbeatPeriod time.Duration
// heartbeat timeout
HeartbeatTimeout string `default:"5s" yaml:"heartbeat_timeout" json:"heartbeat_timeout,omitempty"`
heartbeatTimeout time.Duration
// session
SessionTimeout string `default:"60s" yaml:"session_timeout" json:"session_timeout,omitempty"`
sessionTimeout time.Duration
SessionNumber int `default:"1000" yaml:"session_number" json:"session_number,omitempty"`
// gr pool
GrPoolSize int `default:"0" yaml:"gr_pool_size" json:"gr_pool_size,omitempty"`
QueueLen int `default:"0" yaml:"queue_len" json:"queue_len,omitempty"`
QueueNumber int `default:"0" yaml:"queue_number" json:"queue_number,omitempty"`
// session tcp parameters
GettySessionParam GettySessionParam `required:"true" yaml:"getty_session_param" json:"getty_session_param,omitempty"`
}
// ClientConfig holds supported types by the multiconfig package
ClientConfig struct {
ReconnectInterval int `default:"0" yaml:"reconnect_interval" json:"reconnect_interval,omitempty"`
// session pool
ConnectionNum int `default:"16" yaml:"connection_number" json:"connection_number,omitempty"`
// heartbeat
HeartbeatPeriod string `default:"60s" yaml:"heartbeat_period" json:"heartbeat_period,omitempty"`
heartbeatPeriod time.Duration
// heartbeat timeout
HeartbeatTimeout string `default:"5s" yaml:"heartbeat_timeout" json:"heartbeat_timeout,omitempty"`
heartbeatTimeout time.Duration
// session
SessionTimeout string `default:"60s" yaml:"session_timeout" json:"session_timeout,omitempty"`
sessionTimeout time.Duration
// gr pool
GrPoolSize int `default:"0" yaml:"gr_pool_size" json:"gr_pool_size,omitempty"`
QueueLen int `default:"0" yaml:"queue_len" json:"queue_len,omitempty"`
QueueNumber int `default:"0" yaml:"queue_number" json:"queue_number,omitempty"`
// session tcp parameters
GettySessionParam GettySessionParam `required:"true" yaml:"getty_session_param" json:"getty_session_param,omitempty"`
}
)
// GetDefaultClientConfig gets client default configuration
func GetDefaultClientConfig() ClientConfig {
return ClientConfig{
ReconnectInterval: 0,
ConnectionNum: 16,
HeartbeatPeriod: "30s",
SessionTimeout: "180s",
GrPoolSize: 200,
QueueLen: 64,
QueueNumber: 10,
GettySessionParam: GettySessionParam{
CompressEncoding: false,
TcpNoDelay: true,
TcpKeepAlive: true,
KeepAlivePeriod: "180s",
TcpRBufSize: 262144,
TcpWBufSize: 65536,
TcpReadTimeout: "1s",
TcpWriteTimeout: "5s",
WaitTimeout: "1s",
MaxMsgLen: 102400,
SessionName: "client",
}}
}
// GetDefaultServerConfig gets server default configuration
func GetDefaultServerConfig() ServerConfig {
return ServerConfig{
SessionTimeout: "180s",
SessionNumber: 700,
GrPoolSize: 120,
QueueNumber: 6,
QueueLen: 64,
GettySessionParam: GettySessionParam{
CompressEncoding: false,
TcpNoDelay: true,
TcpKeepAlive: true,
KeepAlivePeriod: "180s",
TcpRBufSize: 262144,
TcpWBufSize: 65536,
TcpReadTimeout: "1s",
TcpWriteTimeout: "5s",
WaitTimeout: "1s",
MaxMsgLen: 102400,
SessionName: "server",
},
}
}
// CheckValidity confirm getty sessian params
func (c *GettySessionParam) CheckValidity() error {
var err error
if c.keepAlivePeriod, err = time.ParseDuration(c.KeepAlivePeriod); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(KeepAlivePeriod{%#v})", c.KeepAlivePeriod)
}
if c.tcpReadTimeout, err = parseTcpTimeoutDuration(c.TcpReadTimeout); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(TcpReadTimeout{%#v})", c.TcpReadTimeout)
}
if c.tcpWriteTimeout, err = parseTcpTimeoutDuration(c.TcpWriteTimeout); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(TcpWriteTimeout{%#v})", c.TcpWriteTimeout)
}
if c.waitTimeout, err = time.ParseDuration(c.WaitTimeout); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(WaitTimeout{%#v})", c.WaitTimeout)
}
return nil
}
func parseTcpTimeoutDuration(timeStr string) (time.Duration, error) {
result, err := time.ParseDuration(timeStr)
if err != nil {
return 0, err
}
if result < TCPReadWriteTimeoutMinValue {
return TCPReadWriteTimeoutMinValue, nil
}
return result, nil
}
// CheckValidity confirm client params.
func (c *ClientConfig) CheckValidity() error {
var err error
c.ReconnectInterval = c.ReconnectInterval * 1e6
if c.heartbeatPeriod, err = time.ParseDuration(c.HeartbeatPeriod); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(HeartbeatPeroid{%#v})", c.HeartbeatPeriod)
}
if c.heartbeatPeriod >= time.Duration(config.MaxWheelTimeSpan) {
return perrors.WithMessagef(err, "heartbeat_period %s should be less than %s",
c.HeartbeatPeriod, time.Duration(config.MaxWheelTimeSpan))
}
if len(c.HeartbeatTimeout) == 0 {
c.heartbeatTimeout = 60 * time.Second
} else if c.heartbeatTimeout, err = time.ParseDuration(c.HeartbeatTimeout); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(HeartbeatTimeout{%#v})", c.HeartbeatTimeout)
}
if c.sessionTimeout, err = time.ParseDuration(c.SessionTimeout); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(SessionTimeout{%#v})", c.SessionTimeout)
}
return perrors.WithStack(c.GettySessionParam.CheckValidity())
}
// CheckValidity confirm server params
func (c *ServerConfig) CheckValidity() error {
var err error
if len(c.HeartbeatPeriod) == 0 {
c.heartbeatPeriod = 60 * time.Second
} else if c.heartbeatPeriod, err = time.ParseDuration(c.HeartbeatPeriod); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(HeartbeatPeroid{%#v})", c.HeartbeatPeriod)
}
if c.heartbeatPeriod >= time.Duration(config.MaxWheelTimeSpan) {
return perrors.WithMessagef(err, "heartbeat_period %s should be less than %s",
c.HeartbeatPeriod, time.Duration(config.MaxWheelTimeSpan))
}
if len(c.HeartbeatTimeout) == 0 {
c.heartbeatTimeout = 60 * time.Second
} else if c.heartbeatTimeout, err = time.ParseDuration(c.HeartbeatTimeout); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(HeartbeatTimeout{%#v})", c.HeartbeatTimeout)
}
if c.sessionTimeout, err = time.ParseDuration(c.SessionTimeout); err != nil {
return perrors.WithMessagef(err, "time.ParseDuration(SessionTimeout{%#v})", c.SessionTimeout)
}
if c.sessionTimeout >= time.Duration(config.MaxWheelTimeSpan) {
return perrors.WithMessagef(err, "session_timeout %s should be less than %s",
c.SessionTimeout, time.Duration(config.MaxWheelTimeSpan))
}
return perrors.WithStack(c.GettySessionParam.CheckValidity())
}