jocay
29b7dc3bbb
- 手写 JSON-RPC 2.0 + MCP (2025-06-18) 协议实现,仅依赖 serde_json + libc - 双传输:stdio(本地 AI 客户端)与 Streamable HTTP(远程连接) - 工具:run_command(超时/取消/进度通知/进程树杀除)与 shell 持久会话四件套 - 安全:命令白黑名单、Bearer 认证、Origin 校验 - LTO fat + codegen-units=1,ping 吞吐约 1.4 万 msg/s - 8 个单元测试 + stdio/HTTP 端到端集成测试(31 项)
173 lines
6.3 KiB
Python
173 lines
6.3 KiB
Python
#!/usr/bin/env python3
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"""bolt stdio 模式端到端协议测试驱动"""
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import faulthandler, json, os, subprocess, sys, threading, time
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BOLT = "/root/bolt/target/release/bolt"
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proc = subprocess.Popen([BOLT], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=0)
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sent = {}
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next_id = [0]
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def send(method, params=None):
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next_id[0] += 1
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msg = {"jsonrpc": "2.0", "id": next_id[0], "method": method}
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if params is not None:
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msg["params"] = params
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proc.stdin.write((json.dumps(msg) + "\n").encode())
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proc.stdin.flush()
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return next_id[0]
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def send_notif(method, params=None):
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msg = {"jsonrpc": "2.0", "method": method}
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if params is not None:
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msg["params"] = params
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proc.stdin.write((json.dumps(msg) + "\n").encode())
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proc.stdin.flush()
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def recv(timeout=30):
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import select
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end = time.time() + timeout
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line = b""
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while True:
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r, _, _ = select.select([proc.stdout], [], [], max(0.0, end - time.time()))
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if not r:
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raise TimeoutError(f"timeout, got so far: {line[:200]}")
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ch = proc.stdout.read(1)
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if not ch:
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raise TimeoutError("EOF")
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if ch == b"\n":
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return json.loads(line)
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line += ch
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received = {} # 乱序到达的响应缓存(id -> msg)
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def wait_id(i, timeout=30):
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if i in received:
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return received.pop(i)
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deadline = time.time() + timeout
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pend.setdefault("extra", []).append(f"awaiting {i}")
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while time.time() < deadline:
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try:
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m = recv(timeout=min(3, deadline - time.time()))
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except TimeoutError as e:
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raise TimeoutError(f"no response for id {i}: {e}; extras: {json.dumps(pend.get('extra', []))[:800]}")
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if m.get("id") == i:
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return m
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if m.get("id") is not None:
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received[m["id"]] = m
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else:
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pend.setdefault("extra", []).append(m)
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raise TimeoutError(f"no response for id {i}, extras: {json.dumps(pend.get('extra', []))[:800]}")
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pend = {}
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passed = failed = 0
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def check(name, cond, detail=""):
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global passed, failed
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if cond:
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passed += 1
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print(f" PASS {name}")
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else:
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failed += 1
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print(f" FAIL {name} {detail}")
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# 1. initialize
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i = send("initialize", {"protocolVersion": "2025-06-18", "capabilities": {}, "clientInfo": {"name": "test", "version": "1"}})
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r = wait_id(i)
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check("initialize", r["result"]["protocolVersion"] == "2025-06-18" and r["result"]["serverInfo"]["name"] == "bolt", str(r))
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send_notif("notifications/initialized")
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# 2. tools/list
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i = send("tools/list")
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r = wait_id(i)
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names = [t["name"] for t in r["result"]["tools"]]
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check("tools/list", names == ["run_command", "shell_open", "shell_write", "shell_read", "shell_close"], str(names))
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# 3. run_command 基本
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i = send("tools/call", {"name": "run_command", "arguments": {"command": "echo hello; printf 'oops' >&2; exit 7"}})
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r = wait_id(i)
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sc = r["result"]["structuredContent"]
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check("run basic", sc["exit_code"] == 7 and sc["stdout"] == "hello\n" and sc["stderr"] == "oops", str(sc))
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# 4. 超时
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t0 = time.time()
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i = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 30", "timeout_ms": 400}})
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r = wait_id(i)
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dt = time.time() - t0
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sc = r["result"]["structuredContent"]
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check("timeout kill", sc["timed_out"] and not sc["cancelled"] and dt < 5, f"{sc} dt={dt:.1f}")
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# 5. 取消:发一个长命令,再发 cancelled
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i = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 30 && echo done"}})
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time.sleep(0.4)
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send_notif("notifications/cancelled", {"requestId": i})
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r = wait_id(i)
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sc = r["result"]["structuredContent"]
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check("cancel kill", sc["cancelled"] and sc["exit_code"] is None, str(sc))
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# 6. 进程组连带杀:sh -c 'sleep 30 & sleep 30' 的子进程也应变僵尸
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i = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 30 & sleep 30", "timeout_ms": 400}})
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r = wait_id(i)
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check("kill whole tree", r["result"]["structuredContent"]["timed_out"])
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# 7. 进度通知(_meta.progressToken)
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i = send("tools/call", {"name": "run_command", "arguments": {"command": "for x in 1 2 3 4; do echo tick-$x; sleep 0.3; done"}, "_meta": {"progressToken": "tok-1"}})
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got_progress = False
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deadline = time.time() + 10
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while time.time() < deadline:
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m = recv(timeout=deadline - time.time())
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if m.get("method") == "notifications/progress" and m.get("params", {}).get("progressToken") == "tok-1":
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got_progress = True
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break
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if m.get("id") == i:
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break
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check("progress notification", got_progress)
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# 排空管道:打印残留
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import select
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import os
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while True:
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r, _, _ = select.select([proc.stdout], [], [], 0)
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if not r: break
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try:
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m = recv(timeout=2)
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print(" LEFT:", m.get("id"), m.get("method"))
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except Exception:
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break
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# 8. 并发:同时两个命令
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i1 = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 0.6; echo ONE"}})
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i2 = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 0.2; echo TWO"}})
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r1, r2 = wait_id(i1), wait_id(i2)
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check("concurrent", r1["result"]["structuredContent"]["stdout"].strip() == "ONE" and r2["result"]["structuredContent"]["stdout"].strip() == "TWO")
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# 9. shell 会话
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i = send("tools/call", {"name": "shell_open", "arguments": {}})
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r = wait_id(i)
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sid = r["result"]["session_id"]
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check("shell open", isinstance(sid, int))
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send("tools/call", {"name": "shell_write", "arguments": {"session_id": sid, "input": "cd /tmp && echo IN_TMP; echo DONE_$$; exit"}})
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# 输出先于退出标志到达,循环读取直到会话退出
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all_out = ""
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for _ in range(10):
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i = send("tools/call", {"name": "shell_read", "arguments": {"session_id": sid, "timeout_ms": 3000}})
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r = wait_id(i)
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res = r["result"]
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all_out += res["output"]
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if res["exited"]:
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break
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check("shell read output", "IN_TMP" in all_out and res["exited"], f"out={all_out!r}")
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i = send("tools/call", {"name": "shell_close", "arguments": {"session_id": sid}})
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r = wait_id(i)
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check("shell close", r["result"]["closed"] is True)
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# 10. stdio 关闭 → 进程退出
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send_notif("notifications/exit")
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try:
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proc.wait(timeout=3)
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check("graceful exit", True)
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except subprocess.TimeoutExpired:
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check("graceful exit", False)
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err = proc.stderr.read().decode()
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print(f"\n=== {passed} passed, {failed} failed ===")
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if err.strip():
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print("stderr:", err[:500])
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sys.exit(1 if failed else 0) |