af6fa169b7
Eliminates the dual-process bug where multiple Claude Code sessions each spawn their own whetstone_mcp stdio process with split in-memory state. All sessions now share a single persistent daemon via MCP HTTP+SSE transport. Changes: - MCPHttpServer.h: HTTP+SSE transport (cpp-httplib via FetchContent). GET /sse streams events per session, POST /message routes JSON-RPC, GET /health for status. Thread-safe session map with mutex/cv/queue. - MCPBridge.h: adds runHttp(port, workspace) method - mcp_main.cpp: --daemon/--port flags, daemon.pid lockfile, duplicate guard - CMakeLists.txt: FetchContent for cpp-httplib, step1983-1987 targets - tools/start-whetstone-daemon.sh: idempotent startup, health-check poll - 5/5 tests passing (step1987_test) Note: Documents/.mcp.json switched to SSE transport in working directory (not tracked in this repo). Daemon must be started before Claude Code sessions. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
81 lines
2.3 KiB
Bash
Executable File
81 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# start-whetstone-daemon.sh
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#
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# Ensures a single whetstone_mcp HTTP+SSE daemon is running on port 7600.
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# Safe to call multiple times — exits immediately if already running.
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#
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# Usage:
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# ./tools/start-whetstone-daemon.sh
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# ./tools/start-whetstone-daemon.sh --port 7601
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# ./tools/start-whetstone-daemon.sh --language python
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#
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# Output: prints daemon PID on stdout.
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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WHETSTONE_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
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BINARY="$WHETSTONE_DIR/editor/build-native/whetstone_mcp"
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WORKSPACE="$WHETSTONE_DIR"
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PORT=7600
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LANGUAGE="cpp"
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LOG="$WHETSTONE_DIR/.whetstone/daemon.log"
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PID_FILE="$WHETSTONE_DIR/.whetstone/daemon.pid"
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# Parse optional overrides
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--port) PORT="$2"; shift 2 ;;
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--language) LANGUAGE="$2"; shift 2 ;;
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*) echo "Unknown arg: $1" >&2; exit 1 ;;
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esac
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done
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# Check if daemon is already running
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if [[ -f "$PID_FILE" ]]; then
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EXISTING_PID=$(cat "$PID_FILE" 2>/dev/null || echo "")
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if [[ -n "$EXISTING_PID" ]] && kill -0 "$EXISTING_PID" 2>/dev/null; then
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echo "[whetstone-daemon] Already running (PID $EXISTING_PID)" >&2
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echo "$EXISTING_PID"
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exit 0
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fi
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fi
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# Also check by port
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if lsof -ti :"$PORT" >/dev/null 2>&1; then
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echo "[whetstone-daemon] Port $PORT already in use — daemon may be running" >&2
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lsof -ti :"$PORT"
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exit 0
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fi
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if [[ ! -x "$BINARY" ]]; then
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echo "[whetstone-daemon] Binary not found: $BINARY" >&2
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echo "[whetstone-daemon] Build it with: cmake --build editor/build-native --target whetstone_mcp --parallel" >&2
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exit 1
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fi
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mkdir -p "$WHETSTONE_DIR/.whetstone"
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# Start daemon in background
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nohup "$BINARY" \
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--daemon \
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--port "$PORT" \
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--workspace "$WORKSPACE" \
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--language "$LANGUAGE" \
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> "$LOG" 2>&1 &
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DAEMON_PID=$!
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# Wait briefly for daemon to write its PID file and start listening
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for i in $(seq 1 20); do
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sleep 0.25
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if curl -sf "http://127.0.0.1:$PORT/health" >/dev/null 2>&1; then
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echo "[whetstone-daemon] Started (PID $DAEMON_PID, port $PORT)" >&2
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echo "$DAEMON_PID"
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exit 0
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fi
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done
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echo "[whetstone-daemon] WARNING: daemon started (PID $DAEMON_PID) but /health not yet responding" >&2
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echo "$DAEMON_PID"
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