From 6d29b4cb573525c1092a67ef37aacf7ef2233723 Mon Sep 17 00:00:00 2001
From: Junjie <fallin.jie@qq.com>
Date: 星期二, 03 三月 2026 11:43:07 +0800
Subject: [PATCH] #
---
src/main/java/com/zy/ai/service/LlmChatService.java | 566 +++++++++++++++++++++++++++++++-------------------------
1 files changed, 315 insertions(+), 251 deletions(-)
diff --git a/src/main/java/com/zy/ai/service/LlmChatService.java b/src/main/java/com/zy/ai/service/LlmChatService.java
index ddb333a..4e6bf19 100644
--- a/src/main/java/com/zy/ai/service/LlmChatService.java
+++ b/src/main/java/com/zy/ai/service/LlmChatService.java
@@ -1,7 +1,11 @@
package com.zy.ai.service;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
import com.zy.ai.entity.ChatCompletionRequest;
import com.zy.ai.entity.ChatCompletionResponse;
+import com.zy.ai.entity.LlmRouteConfig;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
@@ -9,37 +13,33 @@
import org.springframework.http.MediaType;
import org.springframework.stereotype.Service;
import org.springframework.web.reactive.function.client.WebClient;
-import reactor.core.publisher.Mono;
import reactor.core.publisher.Flux;
-import java.util.HashMap;
+import java.util.ArrayList;
import java.util.List;
-import java.util.function.Consumer;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
-import com.alibaba.fastjson.JSONObject;
+import java.util.function.Consumer;
@Slf4j
@Service
@RequiredArgsConstructor
public class LlmChatService {
- private final WebClient llmWebClient;
+ private final LlmRoutingService llmRoutingService;
- @Value("${llm.api-key}")
- private String apiKey;
+ @Value("${llm.base-url:}")
+ private String fallbackBaseUrl;
- @Value("${llm.model}")
- private String model;
+ @Value("${llm.api-key:}")
+ private String fallbackApiKey;
- @Value("${llm.pythonPlatformUrl}")
- private String pythonPlatformUrl;
+ @Value("${llm.model:}")
+ private String fallbackModel;
- @Value("${llm.thinking}")
- private String thinking;
+ @Value("${llm.thinking:false}")
+ private String fallbackThinking;
/**
* 閫氱敤瀵硅瘽鏂规硶锛氫紶鍏� messages锛岃繑鍥炲ぇ妯″瀷鏂囨湰鍥炲
@@ -49,27 +49,12 @@
Integer maxTokens) {
ChatCompletionRequest req = new ChatCompletionRequest();
- req.setModel(model);
req.setMessages(messages);
req.setTemperature(temperature != null ? temperature : 0.3);
req.setMax_tokens(maxTokens != null ? maxTokens : 1024);
req.setStream(false);
- ChatCompletionResponse response = llmWebClient.post()
- .uri("/chat/completions")
- .header(HttpHeaders.AUTHORIZATION, "Bearer " + apiKey)
- .contentType(MediaType.APPLICATION_JSON)
- .accept(MediaType.APPLICATION_JSON, MediaType.TEXT_EVENT_STREAM)
- .bodyValue(req)
- .exchangeToMono(resp -> resp.bodyToFlux(String.class)
- .collectList()
- .map(list -> {
- String payload = String.join("\n\n", list);
- return parseCompletion(payload);
- }))
- .doOnError(ex -> log.error("璋冪敤 LLM 澶辫触", ex))
- .onErrorResume(ex -> Mono.empty())
- .block();
+ ChatCompletionResponse response = complete(req);
if (response == null ||
response.getChoices() == null ||
@@ -88,17 +73,10 @@
Integer maxTokens,
List<Object> tools) {
ChatCompletionRequest req = new ChatCompletionRequest();
- req.setModel(model);
req.setMessages(messages);
req.setTemperature(temperature != null ? temperature : 0.3);
req.setMax_tokens(maxTokens != null ? maxTokens : 1024);
req.setStream(false);
-
- if(thinking.equals("enable")) {
- ChatCompletionRequest.Thinking thinking = new ChatCompletionRequest.Thinking();
- thinking.setType("enable");
- req.setThinking(thinking);
- }
if (tools != null && !tools.isEmpty()) {
req.setTools(tools);
req.setTool_choice("auto");
@@ -107,26 +85,42 @@
}
public ChatCompletionResponse complete(ChatCompletionRequest req) {
- try {
- return llmWebClient.post()
- .uri("/chat/completions")
- .header(HttpHeaders.AUTHORIZATION, "Bearer " + apiKey)
- .contentType(MediaType.APPLICATION_JSON)
- .accept(MediaType.APPLICATION_JSON, MediaType.TEXT_EVENT_STREAM)
- .bodyValue(req)
- .exchangeToMono(resp -> resp.bodyToFlux(String.class)
- .collectList()
- .map(list -> {
- String payload = String.join("\n\n", list);
- return parseCompletion(payload);
- }))
- .doOnError(ex -> log.error("璋冪敤 LLM 澶辫触", ex))
- .onErrorResume(ex -> Mono.empty())
- .block();
- } catch (Exception e) {
- log.error("璋冪敤 LLM 澶辫触", e);
+ List<ResolvedRoute> routes = resolveRoutes();
+ if (routes.isEmpty()) {
+ log.error("璋冪敤 LLM 澶辫触: 鏈厤缃彲鐢� LLM 璺敱");
return null;
}
+
+ Throwable last = null;
+ for (int i = 0; i < routes.size(); i++) {
+ ResolvedRoute route = routes.get(i);
+ boolean hasNext = i < routes.size() - 1;
+ try {
+ ChatCompletionRequest routeReq = applyRoute(cloneRequest(req), route, false);
+ ChatCompletionResponse resp = callCompletion(route, routeReq);
+ if (!isValidCompletion(resp)) {
+ throw new RuntimeException("LLM 鍝嶅簲涓虹┖");
+ }
+ markSuccess(route);
+ return resp;
+ } catch (Throwable ex) {
+ last = ex;
+ boolean quota = isQuotaExhausted(ex);
+ boolean canSwitch = shouldSwitch(route, quota);
+ markFailure(route, ex, canSwitch);
+ if (hasNext && canSwitch) {
+ log.warn("LLM 鍒囨崲鍒颁笅涓�璺敱, current={}, reason={}", route.tag(), errorText(ex));
+ continue;
+ }
+ log.error("璋冪敤 LLM 澶辫触, route={}", route.tag(), ex);
+ break;
+ }
+ }
+
+ if (last != null) {
+ log.error("璋冪敤 LLM 鍏ㄩ儴璺敱澶辫触: {}", errorText(last));
+ }
+ return null;
}
public void chatStream(List<ChatCompletionRequest.Message> messages,
@@ -137,92 +131,12 @@
Consumer<Throwable> onError) {
ChatCompletionRequest req = new ChatCompletionRequest();
- req.setModel(model);
req.setMessages(messages);
req.setTemperature(temperature != null ? temperature : 0.3);
req.setMax_tokens(maxTokens != null ? maxTokens : 1024);
req.setStream(true);
-
- Flux<String> flux = llmWebClient.post()
- .uri("/chat/completions")
- .header(HttpHeaders.AUTHORIZATION, "Bearer " + apiKey)
- .contentType(MediaType.APPLICATION_JSON)
- .accept(MediaType.TEXT_EVENT_STREAM)
- .bodyValue(req)
- .retrieve()
- .bodyToFlux(String.class)
- .doOnError(ex -> log.error("璋冪敤 LLM 娴佸紡澶辫触", ex));
-
- AtomicBoolean doneSeen = new AtomicBoolean(false);
- AtomicBoolean errorSeen = new AtomicBoolean(false);
- LinkedBlockingQueue<String> queue = new LinkedBlockingQueue<>();
-
- Thread drain = new Thread(() -> {
- try {
- while (true) {
- String s = queue.poll(2, TimeUnit.SECONDS);
- if (s != null) {
- try { onChunk.accept(s); } catch (Exception ignore) {}
- }
- if (doneSeen.get() && queue.isEmpty()) {
- if (!errorSeen.get()) {
- try { if (onComplete != null) onComplete.run(); } catch (Exception ignore) {}
- }
- break;
- }
- }
- } catch (InterruptedException ignore) {
- ignore.printStackTrace();
- }
- });
- drain.setDaemon(true);
- drain.start();
-
- flux.subscribe(payload -> {
- if (payload == null || payload.isEmpty()) return;
- String[] events = payload.split("\\r?\\n\\r?\\n");
- for (String part : events) {
- String s = part;
- if (s == null || s.isEmpty()) continue;
- if (s.startsWith("data:")) {
- s = s.substring(5);
- if (s.startsWith(" ")) s = s.substring(1);
- }
- if ("[DONE]".equals(s.trim())) {
- doneSeen.set(true);
- continue;
- }
- try {
- JSONObject obj = JSON.parseObject(s);
- JSONArray choices = obj.getJSONArray("choices");
- if (choices != null && !choices.isEmpty()) {
- JSONObject c0 = choices.getJSONObject(0);
- JSONObject delta = c0.getJSONObject("delta");
- if (delta != null) {
- String content = delta.getString("content");
- if (content != null) {
- try { queue.offer(content); } catch (Exception ignore) {}
- }
- }
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }, err -> {
- errorSeen.set(true);
- doneSeen.set(true);
- if (onError != null) onError.accept(err);
- }, () -> {
- if (!doneSeen.get()) {
- errorSeen.set(true);
- doneSeen.set(true);
- if (onError != null) onError.accept(new RuntimeException("LLM 娴佹剰澶栧畬鎴�"));
- } else {
- doneSeen.set(true);
- }
- });
+ streamWithFailover(req, onChunk, onComplete, onError);
}
public void chatStreamWithTools(List<ChatCompletionRequest.Message> messages,
@@ -233,120 +147,46 @@
Runnable onComplete,
Consumer<Throwable> onError) {
ChatCompletionRequest req = new ChatCompletionRequest();
- req.setModel(model);
req.setMessages(messages);
req.setTemperature(temperature != null ? temperature : 0.3);
req.setMax_tokens(maxTokens != null ? maxTokens : 1024);
req.setStream(true);
- if(thinking.equals("enable")) {
- ChatCompletionRequest.Thinking thinking = new ChatCompletionRequest.Thinking();
- thinking.setType("enable");
- req.setThinking(thinking);
- }
if (tools != null && !tools.isEmpty()) {
req.setTools(tools);
req.setTool_choice("auto");
}
- Flux<String> flux = llmWebClient.post()
- .uri("/chat/completions")
- .header(HttpHeaders.AUTHORIZATION, "Bearer " + apiKey)
- .contentType(MediaType.APPLICATION_JSON)
- .accept(MediaType.TEXT_EVENT_STREAM)
- .bodyValue(req)
- .retrieve()
- .bodyToFlux(String.class)
- .doOnError(ex -> log.error("璋冪敤 LLM 娴佸紡澶辫触", ex));
-
- AtomicBoolean doneSeen = new AtomicBoolean(false);
- AtomicBoolean errorSeen = new AtomicBoolean(false);
- LinkedBlockingQueue<String> queue = new LinkedBlockingQueue<>();
-
- Thread drain = new Thread(() -> {
- try {
- while (true) {
- String s = queue.poll(5, TimeUnit.SECONDS);
- if (s != null) {
- try { onChunk.accept(s); } catch (Exception ignore) {}
- }
- if (doneSeen.get() && queue.isEmpty()) {
- if (!errorSeen.get()) {
- try { if (onComplete != null) onComplete.run(); } catch (Exception ignore) {}
- }
- break;
- }
- }
- } catch (InterruptedException ignore) {
- ignore.printStackTrace();
- }
- });
- drain.setDaemon(true);
- drain.start();
-
- flux.subscribe(payload -> {
- if (payload == null || payload.isEmpty()) return;
- String[] events = payload.split("\\r?\\n\\r?\\n");
- for (String part : events) {
- String s = part;
- if (s == null || s.isEmpty()) continue;
- if (s.startsWith("data:")) {
- s = s.substring(5);
- if (s.startsWith(" ")) s = s.substring(1);
- }
- if ("[DONE]".equals(s.trim())) {
- doneSeen.set(true);
- continue;
- }
- try {
- JSONObject obj = JSON.parseObject(s);
- JSONArray choices = obj.getJSONArray("choices");
- if (choices != null && !choices.isEmpty()) {
- JSONObject c0 = choices.getJSONObject(0);
- JSONObject delta = c0.getJSONObject("delta");
- if (delta != null) {
- String content = delta.getString("content");
- if (content != null) {
- try { queue.offer(content); } catch (Exception ignore) {}
- }
- }
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }, err -> {
- errorSeen.set(true);
- doneSeen.set(true);
- if (onError != null) onError.accept(err);
- }, () -> {
- if (!doneSeen.get()) {
- errorSeen.set(true);
- doneSeen.set(true);
- if (onError != null) onError.accept(new RuntimeException("LLM 娴佹剰澶栧畬鎴�"));
- } else {
- doneSeen.set(true);
- }
- });
+ streamWithFailover(req, onChunk, onComplete, onError);
}
- public void chatStreamRunPython(String prompt, String chatId, Consumer<String> onChunk,
+ private void streamWithFailover(ChatCompletionRequest req,
+ Consumer<String> onChunk,
Runnable onComplete,
Consumer<Throwable> onError) {
- HashMap<String, Object> req = new HashMap<>();
- req.put("prompt", prompt);
- req.put("chatId", chatId);
+ List<ResolvedRoute> routes = resolveRoutes();
+ if (routes.isEmpty()) {
+ if (onError != null) onError.accept(new RuntimeException("鏈厤缃彲鐢� LLM 璺敱"));
+ return;
+ }
+ attemptStream(routes, 0, req, onChunk, onComplete, onError);
+ }
- Flux<String> flux = llmWebClient.post()
- .uri(pythonPlatformUrl)
- .header(HttpHeaders.AUTHORIZATION, "Bearer " + apiKey)
- .contentType(MediaType.APPLICATION_JSON)
- .accept(MediaType.TEXT_EVENT_STREAM)
- .bodyValue(req)
- .retrieve()
- .bodyToFlux(String.class)
- .doOnError(ex -> log.error("璋冪敤 LLM 娴佸紡澶辫触", ex));
+ private void attemptStream(List<ResolvedRoute> routes,
+ int index,
+ ChatCompletionRequest req,
+ Consumer<String> onChunk,
+ Runnable onComplete,
+ Consumer<Throwable> onError) {
+ if (index >= routes.size()) {
+ if (onError != null) onError.accept(new RuntimeException("LLM 璺敱鍏ㄩ儴澶辫触"));
+ return;
+ }
+
+ ResolvedRoute route = routes.get(index);
+ ChatCompletionRequest routeReq = applyRoute(cloneRequest(req), route, true);
AtomicBoolean doneSeen = new AtomicBoolean(false);
AtomicBoolean errorSeen = new AtomicBoolean(false);
+ AtomicBoolean emitted = new AtomicBoolean(false);
LinkedBlockingQueue<String> queue = new LinkedBlockingQueue<>();
Thread drain = new Thread(() -> {
@@ -354,6 +194,7 @@
while (true) {
String s = queue.poll(2, TimeUnit.SECONDS);
if (s != null) {
+ emitted.set(true);
try {
onChunk.accept(s);
} catch (Exception ignore) {
@@ -370,13 +211,12 @@
}
}
} catch (InterruptedException ignore) {
- ignore.printStackTrace();
}
});
drain.setDaemon(true);
drain.start();
- flux.subscribe(payload -> {
+ streamFlux(route, routeReq).subscribe(payload -> {
if (payload == null || payload.isEmpty()) return;
String[] events = payload.split("\\r?\\n\\r?\\n");
for (String part : events) {
@@ -390,10 +230,6 @@
doneSeen.set(true);
continue;
}
- if("<think>".equals(s.trim()) || "</think>".equals(s.trim())) {
- queue.offer(s.trim());
- continue;
- }
try {
JSONObject obj = JSON.parseObject(s);
JSONArray choices = obj.getJSONArray("choices");
@@ -403,30 +239,190 @@
if (delta != null) {
String content = delta.getString("content");
if (content != null) {
- try {
- queue.offer(content);
- } catch (Exception ignore) {
- }
+ queue.offer(content);
}
}
}
} catch (Exception e) {
- e.printStackTrace();
+ log.warn("瑙ｆ瀽 LLM stream 鐗囨澶辫触: {}", e.getMessage());
}
}
}, err -> {
errorSeen.set(true);
doneSeen.set(true);
+ boolean quota = isQuotaExhausted(err);
+ boolean canSwitch = shouldSwitch(route, quota);
+ markFailure(route, err, canSwitch);
+ if (!emitted.get() && canSwitch && index < routes.size() - 1) {
+ log.warn("LLM 璺敱澶辫触锛岃嚜鍔ㄥ垏鎹紝current={}, reason={}", route.tag(), errorText(err));
+ attemptStream(routes, index + 1, req, onChunk, onComplete, onError);
+ return;
+ }
if (onError != null) onError.accept(err);
}, () -> {
if (!doneSeen.get()) {
+ RuntimeException ex = new RuntimeException("LLM 娴佹剰澶栧畬鎴�");
errorSeen.set(true);
doneSeen.set(true);
- if (onError != null) onError.accept(new RuntimeException("LLM 娴佹剰澶栧畬鎴�"));
+ boolean canSwitch = shouldSwitch(route, false);
+ markFailure(route, ex, canSwitch);
+ if (!emitted.get() && canSwitch && index < routes.size() - 1) {
+ log.warn("LLM 璺敱娴佸紓甯稿畬鎴愶紝鑷姩鍒囨崲锛宑urrent={}", route.tag());
+ attemptStream(routes, index + 1, req, onChunk, onComplete, onError);
+ } else {
+ if (onError != null) onError.accept(ex);
+ }
} else {
+ markSuccess(route);
doneSeen.set(true);
}
});
+ }
+
+ private Flux<String> streamFlux(ResolvedRoute route, ChatCompletionRequest req) {
+ WebClient client = WebClient.builder().baseUrl(route.baseUrl).build();
+ return client.post()
+ .uri("/chat/completions")
+ .header(HttpHeaders.AUTHORIZATION, "Bearer " + route.apiKey)
+ .contentType(MediaType.APPLICATION_JSON)
+ .accept(MediaType.TEXT_EVENT_STREAM)
+ .bodyValue(req)
+ .exchangeToFlux(resp -> {
+ int status = resp.rawStatusCode();
+ if (status >= 200 && status < 300) {
+ return resp.bodyToFlux(String.class);
+ }
+ return resp.bodyToMono(String.class)
+ .defaultIfEmpty("")
+ .flatMapMany(body -> Flux.error(new LlmRouteException(status, body)));
+ })
+ .doOnError(ex -> log.error("璋冪敤 LLM 娴佸紡澶辫触, route={}", route.tag(), ex));
+ }
+
+ private ChatCompletionResponse callCompletion(ResolvedRoute route, ChatCompletionRequest req) {
+ WebClient client = WebClient.builder().baseUrl(route.baseUrl).build();
+ RawCompletionResult raw = client.post()
+ .uri("/chat/completions")
+ .header(HttpHeaders.AUTHORIZATION, "Bearer " + route.apiKey)
+ .contentType(MediaType.APPLICATION_JSON)
+ .accept(MediaType.APPLICATION_JSON, MediaType.TEXT_EVENT_STREAM)
+ .bodyValue(req)
+ .exchangeToMono(resp -> resp.bodyToFlux(String.class)
+ .collectList()
+ .map(list -> new RawCompletionResult(resp.rawStatusCode(), String.join("\\n\\n", list))))
+ .block();
+
+ if (raw == null) {
+ throw new RuntimeException("LLM 杩斿洖涓虹┖");
+ }
+ if (raw.statusCode < 200 || raw.statusCode >= 300) {
+ throw new LlmRouteException(raw.statusCode, raw.payload);
+ }
+ return parseCompletion(raw.payload);
+ }
+
+ private ChatCompletionRequest applyRoute(ChatCompletionRequest req, ResolvedRoute route, boolean stream) {
+ req.setModel(route.model);
+ req.setStream(stream);
+ if (route.thinkingEnabled) {
+ ChatCompletionRequest.Thinking t = new ChatCompletionRequest.Thinking();
+ t.setType("enable");
+ req.setThinking(t);
+ } else {
+ req.setThinking(null);
+ }
+ return req;
+ }
+
+ private ChatCompletionRequest cloneRequest(ChatCompletionRequest src) {
+ ChatCompletionRequest req = new ChatCompletionRequest();
+ req.setModel(src.getModel());
+ req.setMessages(src.getMessages());
+ req.setTemperature(src.getTemperature());
+ req.setMax_tokens(src.getMax_tokens());
+ req.setStream(src.getStream());
+ req.setTools(src.getTools());
+ req.setTool_choice(src.getTool_choice());
+ req.setThinking(src.getThinking());
+ return req;
+ }
+
+ private boolean isValidCompletion(ChatCompletionResponse response) {
+ if (response == null || response.getChoices() == null || response.getChoices().isEmpty()) {
+ return false;
+ }
+ ChatCompletionRequest.Message message = response.getChoices().get(0).getMessage();
+ if (message == null) {
+ return false;
+ }
+ if (!isBlank(message.getContent())) {
+ return true;
+ }
+ return message.getTool_calls() != null && !message.getTool_calls().isEmpty();
+ }
+
+ private boolean shouldSwitch(ResolvedRoute route, boolean quota) {
+ return quota ? route.switchOnQuota : route.switchOnError;
+ }
+
+ private void markSuccess(ResolvedRoute route) {
+ if (route.id != null) {
+ llmRoutingService.markSuccess(route.id);
+ }
+ }
+
+ private void markFailure(ResolvedRoute route, Throwable ex, boolean enterCooldown) {
+ if (route.id != null) {
+ llmRoutingService.markFailure(route.id, errorText(ex), enterCooldown, route.cooldownSeconds);
+ }
+ }
+
+ private String errorText(Throwable ex) {
+ if (ex == null) return "unknown";
+ if (ex instanceof LlmRouteException) {
+ LlmRouteException e = (LlmRouteException) ex;
+ String body = e.body == null ? "" : e.body;
+ if (body.length() > 240) {
+ body = body.substring(0, 240);
+ }
+ return "status=" + e.statusCode + ", body=" + body;
+ }
+ return ex.getMessage() == null ? ex.toString() : ex.getMessage();
+ }
+
+ private boolean isQuotaExhausted(Throwable ex) {
+ if (!(ex instanceof LlmRouteException)) return false;
+ LlmRouteException e = (LlmRouteException) ex;
+ if (e.statusCode == 429) return true;
+ String text = (e.body == null ? "" : e.body).toLowerCase();
+ return text.contains("insufficient_quota")
+ || text.contains("quota")
+ || text.contains("浣欓")
+ || text.contains("鐢ㄩ噺")
+ || text.contains("瓒呴檺")
+ || text.contains("rate limit");
+ }
+
+ private List<ResolvedRoute> resolveRoutes() {
+ List<ResolvedRoute> routes = new ArrayList<>();
+ List<LlmRouteConfig> dbRoutes = llmRoutingService.listAvailableRoutes();
+ for (LlmRouteConfig c : dbRoutes) {
+ routes.add(ResolvedRoute.fromDb(c));
+ }
+ // 鍏煎锛氭暟鎹簱涓虹┖鏃讹紝鍥為��鍒� yml
+ if (routes.isEmpty() && !isBlank(fallbackBaseUrl) && !isBlank(fallbackApiKey) && !isBlank(fallbackModel)) {
+ routes.add(ResolvedRoute.fromFallback(fallbackBaseUrl, fallbackApiKey, fallbackModel, isFallbackThinkingEnabled()));
+ }
+ return routes;
+ }
+
+ private boolean isFallbackThinkingEnabled() {
+ String x = fallbackThinking == null ? "" : fallbackThinking.trim().toLowerCase();
+ return "true".equals(x) || "1".equals(x) || "enable".equals(x);
+ }
+
+ private boolean isBlank(String s) {
+ return s == null || s.trim().isEmpty();
}
private ChatCompletionResponse mergeSseChunk(ChatCompletionResponse acc, String payload) {
@@ -452,7 +448,7 @@
ChatCompletionResponse.Choice choice = new ChatCompletionResponse.Choice();
ChatCompletionRequest.Message msg = new ChatCompletionRequest.Message();
choice.setMessage(msg);
- java.util.ArrayList<ChatCompletionResponse.Choice> list = new java.util.ArrayList<>();
+ ArrayList<ChatCompletionResponse.Choice> list = new ArrayList<>();
list.add(choice);
acc.setChoices(list);
}
@@ -490,7 +486,8 @@
if (created != null) acc.setCreated(created);
String object = obj.getString("object");
if (object != null && !object.isEmpty()) acc.setObjectName(object);
- } catch (Exception ignore) {}
+ } catch (Exception ignore) {
+ }
}
return acc;
}
@@ -502,7 +499,8 @@
if (r != null && r.getChoices() != null && !r.getChoices().isEmpty() && r.getChoices().get(0).getMessage() != null) {
return r;
}
- } catch (Exception ignore) {}
+ } catch (Exception ignore) {
+ }
ChatCompletionResponse sse = mergeSseChunk(new ChatCompletionResponse(), payload);
if (sse.getChoices() != null && !sse.getChoices().isEmpty() && sse.getChoices().get(0).getMessage() != null && sse.getChoices().get(0).getMessage().getContent() != null) {
return sse;
@@ -513,9 +511,75 @@
msg.setRole("assistant");
msg.setContent(payload);
choice.setMessage(msg);
- java.util.ArrayList<ChatCompletionResponse.Choice> list = new java.util.ArrayList<>();
+ ArrayList<ChatCompletionResponse.Choice> list = new ArrayList<>();
list.add(choice);
r.setChoices(list);
return r;
}
+
+ private static class RawCompletionResult {
+ private final int statusCode;
+ private final String payload;
+
+ private RawCompletionResult(int statusCode, String payload) {
+ this.statusCode = statusCode;
+ this.payload = payload;
+ }
+ }
+
+ private static class LlmRouteException extends RuntimeException {
+ private final int statusCode;
+ private final String body;
+
+ private LlmRouteException(int statusCode, String body) {
+ super("http status=" + statusCode);
+ this.statusCode = statusCode;
+ this.body = body;
+ }
+ }
+
+ private static class ResolvedRoute {
+ private Long id;
+ private String name;
+ private String baseUrl;
+ private String apiKey;
+ private String model;
+ private boolean thinkingEnabled;
+ private boolean switchOnQuota;
+ private boolean switchOnError;
+ private Integer cooldownSeconds;
+
+ private static ResolvedRoute fromDb(LlmRouteConfig c) {
+ ResolvedRoute r = new ResolvedRoute();
+ r.id = c.getId();
+ r.name = c.getName();
+ r.baseUrl = c.getBaseUrl();
+ r.apiKey = c.getApiKey();
+ r.model = c.getModel();
+ r.thinkingEnabled = c.getThinking() != null && c.getThinking() == 1;
+ r.switchOnQuota = c.getSwitchOnQuota() == null || c.getSwitchOnQuota() == 1;
+ r.switchOnError = c.getSwitchOnError() == null || c.getSwitchOnError() == 1;
+ r.cooldownSeconds = c.getCooldownSeconds();
+ return r;
+ }
+
+ private static ResolvedRoute fromFallback(String baseUrl, String apiKey, String model, boolean thinkingEnabled) {
+ ResolvedRoute r = new ResolvedRoute();
+ r.name = "fallback-yml";
+ r.baseUrl = baseUrl;
+ r.apiKey = apiKey;
+ r.model = model;
+ r.thinkingEnabled = thinkingEnabled;
+ r.switchOnQuota = true;
+ r.switchOnError = true;
+ r.cooldownSeconds = 300;
+ return r;
+ }
+
+ private String tag() {
+ String showName = name == null ? "unnamed" : name;
+ String showModel = model == null ? "" : (" model=" + model);
+ return showName + showModel;
+ }
+ }
}
--
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