Deploy proxy

app.py

@@ -1,19 +1,39 @@
 from fastapi import FastAPI, Request, Response
-from fastapi.responses import JSONResponse
-import requests
+from fastapi.responses import JSONResponse, PlainTextResponse
+import httpx
 import os
+import sys
+from collections import deque
 
 app = FastAPI()
 
+# 内存日志队列（最多保存1000条）
+log_buffer = deque(maxlen=1000)
+
+def log_message(msg):
+    """记录日志到内存和标准输出"""
+    log_buffer.append(msg)
+    print(msg, flush=True)
+
 @app.get("/")
+@app.head("/")
 async def root():
     return {"status": "ok", "service": "HTTP Proxy Node"}
 
+@app.get("/logs")
+async def get_logs():
+    """获取最近的日志"""
+    return PlainTextResponse("\n".join(log_buffer))
+
 @app.post("/api/proxy")
 async def proxy(request: Request):
     """标准 HTTP 代理 API"""
+    import time
+    start_time = time.time()
+    
     try:
         # 解析请求
+        parse_start = time.time()
         data = await request.json()
         
         target_url = data.get("url")
@@ -21,6 +41,8 @@ async def proxy(request: Request):
         headers = data.get("headers", {})
         body = data.get("body")
         
+        log_message(f"[PROXY] {method} {target_url[:80]} - parse: {(time.time()-parse_start)*1000:.0f}ms")
+        
         if not target_url:
             return JSONResponse(
                 {"error": "Missing url parameter"},
@@ -35,24 +57,61 @@ async def proxy(request: Request):
             except:
                 body = body.encode('utf-8')
         
-        # 发送请求
-        resp = requests.request(
-            method=method,
-            url=target_url,
-            headers=headers,
-            data=body,
-            timeout=30,
-            allow_redirects=True
-        )
+        # 发送请求（异步）
+        fetch_start = time.time()
+        log_message(f"[FETCH_START] {method} {target_url[:80]}")
+        
+        try:
+            # 设置更详细的超时
+            timeout_config = httpx.Timeout(
+                connect=10.0,  # 连接超时
+                read=30.0,     # 读取超时
+                write=10.0,    # 写入超时
+                pool=10.0      # 连接池超时
+            )
+            
+            async with httpx.AsyncClient(timeout=timeout_config, follow_redirects=True) as client:
+                resp = await client.request(
+                    method=method,
+                    url=target_url,
+                    headers=headers,
+                    content=body
+                )
+            
+            log_message(f"[FETCH] {resp.status_code} {len(resp.content)} bytes - {(time.time()-fetch_start)*1000:.0f}ms")
+        except httpx.TimeoutException as e:
+            error_msg = f"{type(e).__name__}: {str(e) or repr(e)}"
+            log_message(f"[FETCH_TIMEOUT] {error_msg} - {(time.time()-fetch_start)*1000:.0f}ms")
+            raise
+        except httpx.HTTPError as e:
+            error_msg = f"{type(e).__name__}: {str(e) or repr(e)}"
+            log_message(f"[FETCH_HTTP_ERROR] {error_msg} - {(time.time()-fetch_start)*1000:.0f}ms")
+            raise
+        except Exception as fetch_error:
+            error_msg = f"{type(fetch_error).__name__}: {str(fetch_error) or repr(fetch_error)}"
+            log_message(f"[FETCH_ERROR] {error_msg} - {(time.time()-fetch_start)*1000:.0f}ms")
+            import traceback
+            log_message(f"[TRACEBACK] {traceback.format_exc()}")
+            raise
+        
+        # 返回响应（过滤掉会冲突的 headers）
+        response_headers = {}
+        for k, v in resp.headers.items():
+            k_lower = k.lower()
+            # 跳过这些 headers，让 FastAPI 自动处理
+            if k_lower not in ['content-length', 'content-encoding', 'transfer-encoding']:
+                response_headers[k] = v
+        
+        log_message(f"[DONE] Total: {(time.time()-start_time)*1000:.0f}ms")
         
-        # 返回响应
         return Response(
             content=resp.content,
             status_code=resp.status_code,
-            headers=dict(resp.headers)
+            headers=response_headers
         )
         
     except Exception as e:
+        log_message(f"[ERROR] {str(e)} - {(time.time()-start_time)*1000:.0f}ms")
         return JSONResponse(
             {"error": str(e)},
             status_code=500

requirements.txt

@@ -1,3 +1,3 @@
 fastapi
 uvicorn
-requests
+httpx