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feat: 添加流模式下的SSE保活机制 #945

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This commit is contained in:
CaIon
2025-04-14 19:40:23 +08:00
parent dcf7878772
commit 2f3acd9d22
8 changed files with 136 additions and 31 deletions
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1
relay/channel/openai/relay-openai.go
View File

@@ -141,7 +141,6 @@ func OaiStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.Rel
if err != nil {
common.SysError("error handling stream format: " + err.Error())
}
info.SetFirstResponseTime()
}
lastStreamData = data
streamItems = append(streamItems, data)

9
relay/common/relay_info.go
View File

@@ -6,6 +6,7 @@ import (
"one-api/dto"
relayconstant "one-api/relay/constant"
"strings"
"sync"
"time"
"github.com/gin-gonic/gin"
@@ -54,6 +55,7 @@ type RelayInfo struct {
StartTime time.Time
FirstResponseTime time.Time
isFirstResponse bool
responseMutex sync.Mutex // Add mutex for protecting concurrent access
//SendLastReasoningResponse bool
ApiType int
IsStream bool
@@ -212,12 +214,19 @@ func (info *RelayInfo) SetIsStream(isStream bool) {
}
func (info *RelayInfo) SetFirstResponseTime() {
info.responseMutex.Lock()
defer info.responseMutex.Unlock()
if info.isFirstResponse {
info.FirstResponseTime = time.Now()
info.isFirstResponse = false
}
}
func (info *RelayInfo) HasSendResponse() bool {
return info.FirstResponseTime.After(info.StartTime)
}
type TaskRelayInfo struct {
*RelayInfo
Action string

10
relay/helper/common.go
View File

@@ -55,6 +55,16 @@ func StringData(c *gin.Context, str string) error {
return nil
}
func PingData(c *gin.Context) error {
c.Writer.Write([]byte(": PING\n\n"))
if flusher, ok := c.Writer.(http.Flusher); ok {
flusher.Flush()
} else {
return errors.New("streaming error: flusher not found")
}
return nil
}
func ObjectData(c *gin.Context, object interface{}) error {
if object == nil {
return errors.New("object is nil")

60
relay/helper/stream_scanner.go
View File

@@ -3,12 +3,15 @@ package helper
import (
"bufio"
"context"
"github.com/bytedance/gopkg/util/gopool"
"io"
"net/http"
"one-api/common"
"one-api/constant"
relaycommon "one-api/relay/common"
"one-api/setting/operation_setting"
"strings"
"sync"
"time"
"github.com/gin-gonic/gin"
@@ -17,11 +20,12 @@ import (
const (
InitialScannerBufferSize = 1 << 20 // 1MB (1*1024*1024)
MaxScannerBufferSize = 10 << 20 // 10MB (10*1024*1024)
DefaultPingInterval = 10 * time.Second
)
func StreamScannerHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo, dataHandler func(data string) bool) {
if resp == nil {
if resp == nil || dataHandler == nil {
return
}
@@ -34,13 +38,29 @@ func StreamScannerHandler(c *gin.Context, resp *http.Response, info *relaycommon
}
var (
stopChan = make(chan bool, 2)
scanner = bufio.NewScanner(resp.Body)
ticker = time.NewTicker(streamingTimeout)
stopChan = make(chan bool, 2)
scanner = bufio.NewScanner(resp.Body)
ticker = time.NewTicker(streamingTimeout)
pingTicker *time.Ticker
writeMutex sync.Mutex // Mutex to protect concurrent writes
)
generalSettings := operation_setting.GetGeneralSetting()
pingEnabled := generalSettings.PingIntervalEnabled
pingInterval := time.Duration(generalSettings.PingIntervalSeconds) * time.Second
if pingInterval <= 0 {
pingInterval = DefaultPingInterval
}
if pingEnabled {
pingTicker = time.NewTicker(pingInterval)
}
defer func() {
ticker.Stop()
if pingTicker != nil {
pingTicker.Stop()
}
close(stopChan)
}()
scanner.Buffer(make([]byte, InitialScannerBufferSize), MaxScannerBufferSize)
@@ -51,6 +71,34 @@ func StreamScannerHandler(c *gin.Context, resp *http.Response, info *relaycommon
defer cancel()
ctx = context.WithValue(ctx, "stop_chan", stopChan)
// Handle ping data sending
if pingEnabled && pingTicker != nil {
gopool.Go(func() {
for {
select {
case <-pingTicker.C:
writeMutex.Lock() // Lock before writing
err := PingData(c)
writeMutex.Unlock() // Unlock after writing
if err != nil {
common.LogError(c, "ping data error: "+err.Error())
common.SafeSendBool(stopChan, true)
return
}
if common.DebugEnabled {
println("ping data sent")
}
case <-ctx.Done():
if common.DebugEnabled {
println("ping data goroutine stopped")
}
return
}
}
})
}
common.RelayCtxGo(ctx, func() {
for scanner.Scan() {
ticker.Reset(streamingTimeout)
@@ -70,7 +118,9 @@ func StreamScannerHandler(c *gin.Context, resp *http.Response, info *relaycommon
data = strings.TrimSuffix(data, "\"")
if !strings.HasPrefix(data, "[DONE]") {
info.SetFirstResponseTime()
writeMutex.Lock() // Lock before writing
success := dataHandler(data)
writeMutex.Unlock() // Unlock after writing
if !success {
break
}
@@ -90,7 +140,9 @@ func StreamScannerHandler(c *gin.Context, resp *http.Response, info *relaycommon
case <-ticker.C:
// 超时处理逻辑
common.LogError(c, "streaming timeout")
common.SafeSendBool(stopChan, true)
case <-stopChan:
// 正常结束
common.LogInfo(c, "streaming finished")
}
}

8
setting/operation_setting/general_setting.go
View File

@@ -3,12 +3,16 @@ package operation_setting
import "one-api/setting/config"
type GeneralSetting struct {
DocsLink string `json:"docs_link"`
DocsLink string `json:"docs_link"`
PingIntervalEnabled bool `json:"ping_interval_enabled"`
PingIntervalSeconds int `json:"ping_interval_seconds"`
}
// 默认配置
var generalSetting = GeneralSetting{
DocsLink: "https://docs.newapi.pro",
DocsLink: "https://docs.newapi.pro",
PingIntervalEnabled: false,
PingIntervalSeconds: 60,
}
func init() {

2
web/src/components/ModelSetting.js
View File

@@ -18,6 +18,8 @@ const ModelSetting = () => {
'claude.default_max_tokens': '',
'claude.thinking_adapter_budget_tokens_percentage': 0.8,
'global.pass_through_request_enabled': false,
'general_setting.ping_interval_enabled': false,
'general_setting.ping_interval_seconds': 60,
});
let [loading, setLoading] = useState(false);

35
web/src/components/PersonalSetting.js
View File

@@ -793,23 +793,7 @@ const PersonalSetting = () => {
</div>
</Card>
<Card style={{ marginTop: 10 }}>
<Tabs type="line" defaultActiveKey="price">
<TabPane tab={t('价格设置')} itemKey="price">
<div style={{ marginTop: 20 }}>
<Typography.Text strong>{t('接受未设置价格模型')}</Typography.Text>
<div style={{ marginTop: 10 }}>
<Checkbox
checked={notificationSettings.acceptUnsetModelRatioModel}
onChange={e => handleNotificationSettingChange('acceptUnsetModelRatioModel', e.target.checked)}
>
{t('接受未设置价格模型')}
</Checkbox>
<Typography.Text type="secondary" style={{ marginTop: 8, display: 'block' }}>
{t('当模型没有设置价格时仍接受调用，仅当您信任该网站时使用，可能会产生高额费用')}
</Typography.Text>
</div>
</div>
</TabPane>
<Tabs type="line" defaultActiveKey="notification">
<TabPane tab={t('通知设置')} itemKey="notification">
<div style={{ marginTop: 20 }}>
<Typography.Text strong>{t('通知方式')}</Typography.Text>
@@ -923,6 +907,23 @@ const PersonalSetting = () => {
</Typography.Text>
</div>
</TabPane>
<TabPane tab={t('价格设置')} itemKey="price">
<div style={{ marginTop: 20 }}>
<Typography.Text strong>{t('接受未设置价格模型')}</Typography.Text>
<div style={{ marginTop: 10 }}>
<Checkbox
checked={notificationSettings.acceptUnsetModelRatioModel}
onChange={e => handleNotificationSettingChange('acceptUnsetModelRatioModel', e.target.checked)}
>
{t('接受未设置价格模型')}
</Checkbox>
<Typography.Text type="secondary" style={{ marginTop: 8, display: 'block' }}>
{t('当模型没有设置价格时仍接受调用，仅当您信任该网站时使用，可能会产生高额费用')}
</Typography.Text>
</div>
</div>
</TabPane>
</Tabs>
<div style={{ marginTop: 20 }}>
<Button type="primary" onClick={saveNotificationSettings}>

42
web/src/pages/Setting/Model/SettingGlobalModel.js
View File

@@ -1,5 +1,5 @@
import React, { useEffect, useState, useRef } from 'react';
import { Button, Col, Form, Row, Spin } from '@douyinfe/semi-ui';
import { Button, Col, Form, Row, Spin, Banner } from '@douyinfe/semi-ui';
import {
compareObjects,
API,
@@ -15,6 +15,8 @@ export default function SettingGlobalModel(props) {
const [loading, setLoading] = useState(false);
const [inputs, setInputs] = useState({
'global.pass_through_request_enabled': false,
'general_setting.ping_interval_enabled': false,
'general_setting.ping_interval_seconds': 60,
});
const refForm = useRef();
const [inputsRow, setInputsRow] = useState(inputs);
@@ -23,12 +25,8 @@ export default function SettingGlobalModel(props) {
const updateArray = compareObjects(inputs, inputsRow);
if (!updateArray.length) return showWarning(t('你似乎并没有修改什么'));
const requestQueue = updateArray.map((item) => {
let value = '';
if (typeof inputs[item.key] === 'boolean') {
value = String(inputs[item.key]);
} else {
value = inputs[item.key];
}
let value = String(inputs[item.key]);
return API.put('/api/option/', {
key: item.key,
value,
@@ -84,6 +82,36 @@ export default function SettingGlobalModel(props) {
/>
</Col>
</Row>
<Form.Section text={t('连接保活设置')}>
<Row style={{ marginTop: 10 }}>
<Col span={24}>
<Banner
type="warning"
description="警告：启用保活后，如果已经写入保活数据后渠道出错，系统无法重试，如果必须开启，推荐设置尽可能大的Ping间隔"
/>
</Col>
</Row>
<Row>
<Col xs={24} sm={12} md={8} lg={8} xl={8}>
<Form.Switch
label={t('启用Ping间隔')}
field={'general_setting.ping_interval_enabled'}
onChange={(value) => setInputs({ ...inputs, 'general_setting.ping_interval_enabled': value })}
extraText={'开启后，将定期发送ping数据保持连接活跃'}
/>
</Col>
<Col xs={24} sm={12} md={8} lg={8} xl={8}>
<Form.InputNumber
label={t('Ping间隔（秒）')}
field={'general_setting.ping_interval_seconds'}
onChange={(value) => setInputs({ ...inputs, 'general_setting.ping_interval_seconds': value })}
min={1}
disabled={!inputs['general_setting.ping_interval_enabled']}
/>
</Col>
</Row>
</Form.Section>
<Row>
<Button size='default' onClick={onSubmit}>