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update ai-cache extension #1746

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merged 2 commits into from
Feb 13, 2025
Merged

update ai-cache extension #1746

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0fbbfef
fix: replace incorrect function in ai-cache and ERROR_PARTIAL_MESSAGE…
mirror58229 Feb 8, 2025
05e3833
update: update ai-cache docs
mirror58229 Feb 8, 2025
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2 changes: 1 addition & 1 deletion plugins/wasm-go/extensions/ai-cache/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ LLM 结果缓存插件，默认配置方式可以直接用于 openai 协议的

## 配置说明

本插件同时支持基于向量数据库的语义化缓存和基于字符串匹配的缓存方法，如果同时配置了向量数据库和缓存数据库，优先使用向量数据库。
本插件同时支持基于向量数据库的语义化缓存和基于字符串匹配的缓存方法，如果同时配置了向量数据库和缓存数据库，优先使用缓存数据库，未命中场景下使用向量数据库能力。

*Note*: 向量数据库(vector) 和 缓存数据库(cache) 不能同时为空，否则本插件无法提供缓存服务。

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11 changes: 3 additions & 8 deletions plugins/wasm-go/extensions/ai-cache/main.go
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Expand Up @@ -104,11 +104,11 @@ func onHttpRequestBody(ctx wrapper.HttpContext, c config.PluginConfig, body []by
key = strings.Join(userMessages, "\n")
} else if c.CacheKeyStrategy == config.CACHE_KEY_STRATEGY_DISABLED {
log.Info("[onHttpRequestBody] cache key strategy is disabled")
ctx.DontReadRequestBody()
ctx.DontReadResponseBody()
return types.ActionContinue
} else {
log.Warnf("[onHttpRequestBody] unknown cache key strategy: %s", c.CacheKeyStrategy)
ctx.DontReadRequestBody()
ctx.DontReadResponseBody()
return types.ActionContinue
}

Expand Down Expand Up @@ -147,19 +147,14 @@ func onHttpResponseHeaders(ctx wrapper.HttpContext, c config.PluginConfig, log w
ctx.SetResponseBodyBufferLimit(DEFAULT_MAX_BODY_BYTES)
}

if ctx.GetContext(ERROR_PARTIAL_MESSAGE_KEY) != nil {
ctx.DontReadResponseBody()
return types.ActionContinue
}

return types.ActionContinue
}

func onHttpResponseBody(ctx wrapper.HttpContext, c config.PluginConfig, chunk []byte, isLastChunk bool, log wrapper.Log) []byte {
log.Debugf("[onHttpResponseBody] is last chunk: %v", isLastChunk)
log.Debugf("[onHttpResponseBody] chunk: %s", string(chunk))

if ctx.GetContext(TOOL_CALLS_CONTEXT_KEY) != nil {
if ctx.GetContext(TOOL_CALLS_CONTEXT_KEY) != nil || ctx.GetContext(ERROR_PARTIAL_MESSAGE_KEY) != nil {
return chunk
}

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