598f0112a4
- hippocampus::memory_links now returns Vec<LinkInfo> with key, link_strength, and node_weight for each neighbor - Unified memory_tool! macro: mut/ref as token, single main rule - All tools use serde serialize/deserialize for RPC consistency - jsonargs handlers now work in client mode (RPC to daemon) - cli/graph.rs formats LinkInfo for display Co-Authored-By: Proof of Concept <poc@bcachefs.org>
513 lines
22 KiB
Rust
513 lines
22 KiB
Rust
// tools/memory.rs — Native memory graph operations
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//
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// Daemon: calls set_store() at startup for direct store access.
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// Clients: lazy init tries socket, falls back to local store.
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#![allow(unused_variables)] // macro-generated args for no-param tools
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use anyhow::{Context, Result};
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use std::cell::RefCell;
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use std::path::PathBuf;
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use std::sync::{Arc, OnceLock};
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use crate::store::Store;
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// ── Store access ───────────────────────────────────────────────
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/// Daemon's store (eager init) or client's fallback local store.
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static STORE_ACCESS: OnceLock<Option<Arc<crate::Mutex<Store>>>> = OnceLock::new();
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// Client's socket connection (thread-local for lock-free access).
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thread_local! {
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static SOCKET_CONN: RefCell<Option<SocketConn>> = const { RefCell::new(None) };
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}
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/// How we access the memory store.
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enum StoreAccess {
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Daemon(Arc<crate::Mutex<Store>>), // Direct store access
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Client, // Socket to daemon (in thread-local)
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None(String), // Error: couldn't get access
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}
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/// Set the global store handle. Call once at daemon startup (eager init).
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pub fn set_store(store: Arc<crate::Mutex<Store>>) {
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STORE_ACCESS.set(Some(store)).ok();
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}
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/// Get store access: daemon's store, socket, or local fallback.
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fn access() -> StoreAccess {
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// Daemon: already set via set_store()
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if let Some(Some(store)) = STORE_ACCESS.get() {
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return StoreAccess::Daemon(store.clone());
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}
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// Client: check if socket already cached in thread-local
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let have_socket = SOCKET_CONN.with(|cell| cell.borrow().is_some());
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if have_socket {
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return StoreAccess::Client;
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}
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// No socket cached, try connecting
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if let Ok(conn) = SocketConn::connect() {
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SOCKET_CONN.with(|cell| *cell.borrow_mut() = Some(conn));
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return StoreAccess::Client;
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}
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// Socket failed - try local store as fallback (cached in STORE_ACCESS)
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let store_opt = STORE_ACCESS.get_or_init(|| {
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Store::load().ok().map(|s| Arc::new(crate::Mutex::new(s)))
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});
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match store_opt {
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Some(store) => StoreAccess::Daemon(store.clone()),
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None => StoreAccess::None("could not connect to daemon or open store locally".into()),
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}
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}
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pub fn socket_path() -> PathBuf {
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dirs::home_dir()
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.unwrap_or_default()
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.join(".consciousness/mcp.sock")
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}
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struct SocketConn {
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reader: std::io::BufReader<std::os::unix::net::UnixStream>,
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writer: std::io::BufWriter<std::os::unix::net::UnixStream>,
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next_id: u64,
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}
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impl SocketConn {
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fn connect() -> Result<Self> {
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use std::os::unix::net::UnixStream;
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use std::io::{BufRead, BufReader, BufWriter, Write};
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let path = socket_path();
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let stream = UnixStream::connect(&path)?;
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let mut reader = BufReader::new(stream.try_clone()?);
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let mut writer = BufWriter::new(stream);
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// Initialize MCP connection
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let init = serde_json::json!({"jsonrpc": "2.0", "id": 1, "method": "initialize",
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"params": {"protocolVersion": "2024-11-05", "capabilities": {},
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"clientInfo": {"name": "forward", "version": "0.1"}}});
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writeln!(writer, "{}", init)?;
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writer.flush()?;
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let mut buf = String::new();
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reader.read_line(&mut buf)?;
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Ok(Self { reader, writer, next_id: 1 })
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}
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fn call(&mut self, tool_name: &str, args: &serde_json::Value) -> Result<String> {
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use std::io::{BufRead, Write};
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self.next_id += 1;
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let call = serde_json::json!({"jsonrpc": "2.0", "id": self.next_id, "method": "tools/call",
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"params": {"name": tool_name, "arguments": args}});
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writeln!(self.writer, "{}", call)?;
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self.writer.flush()?;
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let mut buf = String::new();
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self.reader.read_line(&mut buf)?;
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let resp: serde_json::Value = serde_json::from_str(&buf)?;
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if let Some(err) = resp.get("error") {
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anyhow::bail!("daemon error: {}", err);
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}
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let result = resp.get("result").cloned().unwrap_or(serde_json::json!({}));
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let text = result.get("content")
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.and_then(|c| c.as_array())
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.and_then(|arr| arr.first())
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.and_then(|c| c.get("text"))
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.and_then(|t| t.as_str())
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.unwrap_or("");
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Ok(text.to_string())
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}
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}
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/// Forward a tool call to the daemon via socket.
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/// Only valid when access() returns Client.
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fn memory_rpc(tool_name: &str, args: serde_json::Value) -> Result<String> {
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SOCKET_CONN.with(|cell| {
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let mut conn = cell.borrow_mut();
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let conn = conn.as_mut().expect("access() returned Client but SOCKET_CONN is None");
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conn.call(tool_name, &args)
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})
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}
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// ── Helpers ────────────────────────────────────────────────────
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fn get_str<'a>(args: &'a serde_json::Value, name: &'a str) -> Result<&'a str> {
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args.get(name).and_then(|v| v.as_str()).context(format!("{} is required", name))
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}
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fn get_f64(args: &serde_json::Value, name: &str) -> Result<f64> {
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args.get(name).and_then(|v| v.as_f64()).context(format!("{} is required", name))
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}
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/// Get provenance from agent state, or "manual".
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async fn get_provenance(agent: &Option<std::sync::Arc<crate::agent::Agent>>) -> String {
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match agent {
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Some(a) => a.state.lock().await.provenance.clone(),
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None => "manual".to_string(),
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}
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}
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// ── Macro for generating tool wrappers ─────────────────────────
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//
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// memory_tool!(name, mut, arg1: [str], arg2: [Option<bool>])
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// - mut/ref for store mutability
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// - generates jsonargs_* (internal, JSON args) and public typed API
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macro_rules! memory_tool {
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// ── Helper rules (must come first) ─────────────────────────────
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// Extract from JSON
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(@extract $args:ident, $name:ident, str) => {
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get_str($args, stringify!($name))?
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};
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(@extract $args:ident, $name:ident, f32) => {
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get_f64($args, stringify!($name))? as f32
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};
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(@extract $args:ident, $name:ident, Vec<String>) => {
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$args.get(stringify!($name))
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.and_then(|v| v.as_array())
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.map(|arr| arr.iter().filter_map(|v| v.as_str().map(String::from)).collect::<Vec<_>>())
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.unwrap_or_default()
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};
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(@extract $args:ident, $name:ident, Option<&str>) => {
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$args.get(stringify!($name)).and_then(|v| v.as_str())
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};
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(@extract $args:ident, $name:ident, Option<bool>) => {
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$args.get(stringify!($name)).and_then(|v| v.as_bool())
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};
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(@extract $args:ident, $name:ident, Option<u64>) => {
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$args.get(stringify!($name)).and_then(|v| v.as_u64())
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};
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(@extract $args:ident, $name:ident, Option<i64>) => {
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$args.get(stringify!($name)).and_then(|v| v.as_i64())
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};
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(@extract $args:ident, $name:ident, Option<usize>) => {
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$args.get(stringify!($name)).and_then(|v| v.as_u64()).map(|v| v as usize)
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};
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(@extract $args:ident, $name:ident, Option<u32>) => {
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$args.get(stringify!($name)).and_then(|v| v.as_u64()).map(|v| v as u32)
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};
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(@extract $args:ident, $name:ident, Option<f64>) => {
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$args.get(stringify!($name)).and_then(|v| v.as_f64())
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};
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// Parameter types for function signatures
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(@param_type str) => { &str };
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(@param_type f32) => { f32 };
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(@param_type Vec<String>) => { Vec<String> };
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(@param_type Option<&str>) => { Option<&str> };
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(@param_type Option<bool>) => { Option<bool> };
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(@param_type Option<u64>) => { Option<u64> };
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(@param_type Option<i64>) => { Option<i64> };
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(@param_type Option<usize>) => { Option<usize> };
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(@param_type Option<u32>) => { Option<u32> };
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(@param_type Option<f64>) => { Option<f64> };
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// Serialize result for jsonargs
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(@serialize $t:ty, $result:expr) => { serde_json::to_string(&$result)? };
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// Deserialize RPC response
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(@deserialize $t:ty, $json:expr) => { serde_json::from_str(&$json).map_err(|e| anyhow::anyhow!("{}", e)) };
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// Serialize to JSON for RPC
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(@insert_json $map:ident, $name:ident, str) => {
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$map.insert(stringify!($name).into(), serde_json::json!($name));
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};
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(@insert_json $map:ident, $name:ident, f32) => {
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$map.insert(stringify!($name).into(), serde_json::json!($name));
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};
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(@insert_json $map:ident, $name:ident, Vec<String>) => {
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$map.insert(stringify!($name).into(), serde_json::json!($name));
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};
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(@insert_json $map:ident, $name:ident, Option<&str>) => {
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if let Some(v) = $name { $map.insert(stringify!($name).into(), serde_json::json!(v)); }
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};
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(@insert_json $map:ident, $name:ident, Option<bool>) => {
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if let Some(v) = $name { $map.insert(stringify!($name).into(), serde_json::json!(v)); }
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};
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(@insert_json $map:ident, $name:ident, Option<u64>) => {
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if let Some(v) = $name { $map.insert(stringify!($name).into(), serde_json::json!(v)); }
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};
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(@insert_json $map:ident, $name:ident, Option<i64>) => {
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if let Some(v) = $name { $map.insert(stringify!($name).into(), serde_json::json!(v)); }
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};
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(@insert_json $map:ident, $name:ident, Option<usize>) => {
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if let Some(v) = $name { $map.insert(stringify!($name).into(), serde_json::json!(v)); }
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};
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(@insert_json $map:ident, $name:ident, Option<u32>) => {
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if let Some(v) = $name { $map.insert(stringify!($name).into(), serde_json::json!(v)); }
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};
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(@insert_json $map:ident, $name:ident, Option<f64>) => {
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if let Some(v) = $name { $map.insert(stringify!($name).into(), serde_json::json!(v)); }
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};
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// Call hippocampus with appropriate mutability
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(@call mut, $name:ident, $store:ident, $prov:expr $(, $arg:expr)*) => {
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crate::hippocampus::$name(&mut $store, $prov $(, $arg)*)
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};
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(@call ref, $name:ident, $store:ident, $prov:expr $(, $arg:expr)*) => {
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crate::hippocampus::$name(&$store, $prov $(, $arg)*)
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};
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// ── Main rules ─────────────────────────────────────────────────
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// Shorthand: mut/ref without return type defaults to String
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($name:ident, $m:ident $(, $($arg:ident : [$($typ:tt)+]),* $(,)?)?) => {
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memory_tool!($name, $m -> String $(, $($arg : [$($typ)+]),*)?);
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};
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// Full form with return type
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($name:ident, $m:ident -> $ret:ty $(, $($arg:ident : [$($typ:tt)+]),* $(,)?)?) => {
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paste::paste! {
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async fn [<jsonargs_ $name>](agent: &Option<std::sync::Arc<crate::agent::Agent>>, args: &serde_json::Value) -> Result<String> {
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$($(let $arg = memory_tool!(@extract args, $arg, $($typ)+);)*)?
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let prov = get_provenance(agent).await;
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match access() {
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StoreAccess::Daemon(arc) => {
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#[allow(unused_mut)]
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let mut store = arc.lock().await;
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let result: $ret = memory_tool!(@call $m, $name, store, &prov $($(, $arg)*)?)?;
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Ok(memory_tool!(@serialize $ret, result))
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}
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StoreAccess::Client => {
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#[allow(unused_mut)]
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let mut map = serde_json::Map::new();
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$($(memory_tool!(@insert_json map, $arg, $($typ)+);)*)?
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memory_rpc(stringify!($name), serde_json::Value::Object(map))
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}
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StoreAccess::None(err) => anyhow::bail!("{}", err),
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}
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}
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pub async fn $name(agent: Option<&crate::agent::Agent> $($(, $arg: memory_tool!(@param_type $($typ)+))*)?) -> Result<$ret> {
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let prov = match agent {
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Some(a) => a.state.lock().await.provenance.clone(),
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None => "manual".to_string(),
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};
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match access() {
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StoreAccess::Daemon(arc) => {
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#[allow(unused_mut)]
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let mut store = arc.lock().await;
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memory_tool!(@call $m, $name, store, &prov $($(, $arg)*)?)
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}
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StoreAccess::Client => {
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#[allow(unused_mut)]
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let mut map = serde_json::Map::new();
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$($(memory_tool!(@insert_json map, $arg, $($typ)+);)*)?
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let json = memory_rpc(stringify!($name), serde_json::Value::Object(map))?;
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memory_tool!(@deserialize $ret, json)
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}
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StoreAccess::None(err) => anyhow::bail!("{}", err),
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}
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}
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}
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};
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}
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// ── Memory tools ───────────────────────────────────────────────
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memory_tool!(memory_render, ref, key: [str], raw: [Option<bool>]);
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memory_tool!(memory_write, mut, key: [str], content: [str]);
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memory_tool!(memory_search, ref, keys: [Vec<String>], max_hops: [Option<u32>], edge_decay: [Option<f64>], min_activation: [Option<f64>], limit: [Option<usize>]);
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memory_tool!(memory_link_set, mut, source: [str], target: [str], strength: [f32]);
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memory_tool!(memory_link_add, mut, source: [str], target: [str]);
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memory_tool!(memory_delete, mut, key: [str]);
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memory_tool!(memory_history, ref, key: [str], full: [Option<bool>]);
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memory_tool!(memory_weight_set, mut, key: [str], weight: [f32]);
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memory_tool!(memory_rename, mut, old_key: [str], new_key: [str]);
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memory_tool!(memory_supersede, mut, old_key: [str], new_key: [str], reason: [Option<&str>]);
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memory_tool!(memory_query, ref, query: [str], format: [Option<&str>]);
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// Re-export LinkInfo for callers
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pub use crate::hippocampus::LinkInfo;
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memory_tool!(memory_links, ref -> Vec<LinkInfo>, key: [str]);
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// ── Journal tools ──────────────────────────────────────────────
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memory_tool!(journal_tail, ref, count: [Option<u64>], level: [Option<u64>], format: [Option<&str>], after: [Option<&str>]);
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memory_tool!(journal_new, mut, name: [str], title: [str], body: [str], level: [Option<i64>]);
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memory_tool!(journal_update, mut, body: [str], level: [Option<i64>]);
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// ── Graph tools ───────────────────────────────────────────────
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memory_tool!(graph_topology, ref);
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memory_tool!(graph_health, ref);
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memory_tool!(graph_communities, ref, top_n: [Option<usize>], min_size: [Option<usize>]);
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memory_tool!(graph_normalize_strengths, mut, apply: [Option<bool>]);
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memory_tool!(graph_link_impact, ref, source: [str], target: [str]);
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memory_tool!(graph_hubs, ref, count: [Option<usize>]);
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memory_tool!(graph_trace, ref, key: [str]);
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// ── Definitions ────────────────────────────────────────────────
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pub fn memory_tools() -> [super::Tool; 19] {
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use super::Tool;
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macro_rules! tool {
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($name:ident, $desc:expr, $params:expr) => {
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Tool {
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name: stringify!($name),
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description: $desc,
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parameters_json: $params,
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handler: Arc::new(|a, v| Box::pin(async move {
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paste::paste! { [<jsonargs_ $name>](&a, &v).await }
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})),
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}
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};
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}
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[
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tool!(memory_render, "Read a memory node's content and links.", r#"{
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"type": "object",
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"properties": { "key": {"type": "string"}, "raw": {"type": "boolean"} },
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"required": ["key"]
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}"#),
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tool!(memory_write, "Create or update a memory node.", r#"{
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"type": "object",
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"properties": { "key": {"type": "string"}, "content": {"type": "string"} },
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"required": ["key", "content"]
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}"#),
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tool!(memory_search, "Search via spreading activation from seed keys.", r#"{
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"type": "object",
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"properties": {
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"keys": {"type": "array", "items": {"type": "string"}},
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"max_hops": {"type": "integer"},
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"edge_decay": {"type": "number"},
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"min_activation": {"type": "number"},
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"limit": {"type": "integer"}
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},
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"required": ["keys"]
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}"#),
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tool!(memory_links, "Show a node's neighbors with link strengths.", r#"{
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"type": "object",
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"properties": { "key": {"type": "string"} },
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"required": ["key"]
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}"#),
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tool!(memory_link_set, "Set link strength between two nodes.", r#"{
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"type": "object",
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"properties": {
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"source": {"type": "string"},
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"target": {"type": "string"},
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"strength": {"type": "number", "description": "0.01 to 1.0"}
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},
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"required": ["source", "target", "strength"]
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}"#),
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tool!(memory_link_add, "Add a new link between two nodes.", r#"{
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"type": "object",
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"properties": { "source": {"type": "string"}, "target": {"type": "string"} },
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"required": ["source", "target"]
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}"#),
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tool!(memory_delete, "Delete a memory node.", r#"{
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"type": "object",
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"properties": { "key": {"type": "string"} },
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"required": ["key"]
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}"#),
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tool!(memory_history, "Show version history for a node.", r#"{
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"type": "object",
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"properties": { "key": {"type": "string"}, "full": {"type": "boolean"} },
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"required": ["key"]
|
|
}"#),
|
|
tool!(memory_weight_set, "Set a node's weight (0.01 to 1.0).", r#"{
|
|
"type": "object",
|
|
"properties": { "key": {"type": "string"}, "weight": {"type": "number"} },
|
|
"required": ["key", "weight"]
|
|
}"#),
|
|
tool!(memory_rename, "Rename a node key.", r#"{
|
|
"type": "object",
|
|
"properties": { "old_key": {"type": "string"}, "new_key": {"type": "string"} },
|
|
"required": ["old_key", "new_key"]
|
|
}"#),
|
|
tool!(memory_supersede, "Mark a node as superseded by another.", r#"{
|
|
"type": "object",
|
|
"properties": {
|
|
"old_key": {"type": "string"},
|
|
"new_key": {"type": "string"},
|
|
"reason": {"type": "string"}
|
|
},
|
|
"required": ["old_key", "new_key"]
|
|
}"#),
|
|
tool!(memory_query, "Run a structured query against the memory graph.", r#"{
|
|
"type": "object",
|
|
"properties": {
|
|
"query": {"type": "string"},
|
|
"format": {"type": "string", "description": "compact or full"}
|
|
},
|
|
"required": ["query"]
|
|
}"#),
|
|
tool!(graph_topology, "Show graph topology stats.", r#"{"type": "object"}"#),
|
|
tool!(graph_health, "Show graph health report.", r#"{"type": "object"}"#),
|
|
tool!(graph_hubs, "Show top hub nodes by degree.", r#"{
|
|
"type": "object",
|
|
"properties": { "count": {"type": "integer"} }
|
|
}"#),
|
|
tool!(graph_communities, "Show communities by isolation.", r#"{
|
|
"type": "object",
|
|
"properties": { "top_n": {"type": "integer"}, "min_size": {"type": "integer"} }
|
|
}"#),
|
|
tool!(graph_normalize_strengths, "Set link strengths from Jaccard similarity.", r#"{
|
|
"type": "object",
|
|
"properties": { "apply": {"type": "boolean"} }
|
|
}"#),
|
|
tool!(graph_link_impact, "Simulate adding an edge, report impact.", r#"{
|
|
"type": "object",
|
|
"properties": { "source": {"type": "string"}, "target": {"type": "string"} },
|
|
"required": ["source", "target"]
|
|
}"#),
|
|
tool!(graph_trace, "Walk temporal links from a node.", r#"{
|
|
"type": "object",
|
|
"properties": { "key": {"type": "string"} },
|
|
"required": ["key"]
|
|
}"#),
|
|
]
|
|
}
|
|
|
|
pub fn journal_tools() -> [super::Tool; 3] {
|
|
use super::Tool;
|
|
macro_rules! tool {
|
|
($name:ident, $desc:expr, $params:expr) => {
|
|
Tool {
|
|
name: stringify!($name),
|
|
description: $desc,
|
|
parameters_json: $params,
|
|
handler: Arc::new(|a, v| Box::pin(async move {
|
|
paste::paste! { [<jsonargs_ $name>](&a, &v).await }
|
|
})),
|
|
}
|
|
};
|
|
}
|
|
[
|
|
tool!(journal_tail, "Read the last N entries at a given level.", r#"{
|
|
"type": "object",
|
|
"properties": {
|
|
"count": {"type": "integer"},
|
|
"level": {"type": "integer", "description": "0=journal, 1=daily, 2=weekly, 3=monthly"},
|
|
"format": {"type": "string", "description": "compact or full"},
|
|
"after": {"type": "string", "description": "Only entries after this date (YYYY-MM-DD)"}
|
|
}
|
|
}"#),
|
|
tool!(journal_new, "Start a new journal/digest entry.", r#"{
|
|
"type": "object",
|
|
"properties": {
|
|
"name": {"type": "string"},
|
|
"title": {"type": "string"},
|
|
"body": {"type": "string"},
|
|
"level": {"type": "integer"}
|
|
},
|
|
"required": ["name", "title", "body"]
|
|
}"#),
|
|
tool!(journal_update, "Append text to the most recent entry.", r#"{
|
|
"type": "object",
|
|
"properties": {
|
|
"body": {"type": "string"},
|
|
"level": {"type": "integer"}
|
|
},
|
|
"required": ["body"]
|
|
}"#),
|
|
]
|
|
}
|