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107 changes: 107 additions & 0 deletions
107
webui/src/main/kotlin/com/simiacryptus/skyenet/servlet/UsageServlet.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package com.simiacryptus.skyenet.servlet | ||
|
|
||
| import com.google.api.services.oauth2.model.Userinfo | ||
| import com.simiacryptus.openai.OpenAIClient | ||
| import jakarta.servlet.http.HttpServlet | ||
| import jakarta.servlet.http.HttpServletRequest | ||
| import jakarta.servlet.http.HttpServletResponse | ||
| import java.util.concurrent.atomic.AtomicInteger | ||
|
|
||
| class UsageServlet : HttpServlet() { | ||
| public override fun doGet(req: HttpServletRequest, resp: HttpServletResponse) { | ||
| resp.contentType = "text/html" | ||
| resp.status = HttpServletResponse.SC_OK | ||
|
|
||
| val sessionId = req.getParameter("sessionId") | ||
| if (null != sessionId) { | ||
| serve(resp, getSessionUsageSummary(sessionId)) | ||
| } else { | ||
| val userinfo = AuthenticatedWebsite.getUser(req) | ||
| if (null == userinfo) { | ||
| resp.status = HttpServletResponse.SC_BAD_REQUEST | ||
| } else { | ||
| val usage = getUserUsageSummary(userinfo) | ||
| serve(resp, usage) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun serve( | ||
| resp: HttpServletResponse, | ||
| usage: Map<OpenAIClient.Model, Int> | ||
| ) { | ||
| resp.writer.write( | ||
| """ | ||
| |<html> | ||
| |<head> | ||
| | <title>Usage</title> | ||
| | <link rel="icon" type="image/svg+xml" href="/favicon.svg"/> | ||
| |</head> | ||
| |<body> | ||
| |<table> | ||
| | <tr> | ||
| | <th>Model</th> | ||
| | <th>Usage</th> | ||
| | </tr> | ||
| | ${ | ||
| usage.entries.joinToString("\n") { (model, count) -> | ||
| """ | ||
| |<tr> | ||
| | <td>$model</td> | ||
| | <td>$count</td> | ||
| |</tr> | ||
| """.trimMargin() | ||
| } | ||
| } | ||
| |</table> | ||
| |</body> | ||
| |</html> | ||
| """.trimMargin() | ||
| ) | ||
| } | ||
|
|
||
| data class UsageCounters( | ||
| val tokensPerModel: HashMap<OpenAIClient.Model, AtomicInteger> = HashMap(), | ||
| ) | ||
|
|
||
| companion object { | ||
| val log = org.slf4j.LoggerFactory.getLogger(UsageServlet::class.java) | ||
|
|
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| private val usagePerSession = HashMap<String, UsageCounters>() | ||
| val sessionsByUser = HashMap<String, ArrayList<String>>() | ||
|
|
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| fun incrementUsage(sessionId: String, userinfo: Userinfo?, model: OpenAIClient.Model, tokens: Int) { | ||
| val usage = usagePerSession.getOrPut(sessionId) { | ||
| UsageCounters() | ||
| } | ||
| val tokensPerModel = usage.tokensPerModel.getOrPut(model) { | ||
| AtomicInteger() | ||
| } | ||
| tokensPerModel.addAndGet(tokens) | ||
| if (userinfo != null) { | ||
| val sessions = sessionsByUser.getOrPut(userinfo.id) { | ||
| ArrayList() | ||
| } | ||
| sessions.add(sessionId) | ||
| } | ||
| } | ||
|
|
||
| fun getUserUsageSummary(userinfo: Userinfo): Map<OpenAIClient.Model, Int> { | ||
| val sessions = sessionsByUser[userinfo.id] | ||
| return sessions?.flatMap { sessionId -> | ||
| val usage = usagePerSession[sessionId] | ||
| usage?.tokensPerModel?.entries?.map { (model, counter) -> | ||
| model to counter.get() | ||
| } ?: emptyList() | ||
| }?.groupBy { it.first }?.mapValues { it.value.map { it.second }.sum() } ?: emptyMap() | ||
| } | ||
|
|
||
| fun getSessionUsageSummary(sessionId: String): Map<OpenAIClient.Model, Int> { | ||
| val usage = usagePerSession[sessionId] | ||
| return usage?.tokensPerModel?.entries?.map { (model, counter) -> | ||
| model to counter.get() | ||
| }?.groupBy { it.first }?.mapValues { it.value.map { it.second }.sum() } ?: emptyMap() | ||
| } | ||
|
|
||
| } | ||
| } |
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