Add peer debug

examples/golang/codex.go

@@ -104,6 +104,10 @@ package main
 		return codex_connect(codexCtx, peerId, peerAddresses, peerAddressesSize, (CodexCallback) callback, resp);
 	}
 
+	static int cGoCodexPeerDebug(void* codexCtx, char* peerId, void* resp) {
+		return codex_peer_debug(codexCtx, peerId, (CodexCallback) callback, resp);
+	}
+
 	static int cGoCodexStart(void* codexCtx, void* resp) {
 		return codex_start(codexCtx, (CodexCallback) callback, resp);
 	}
@@ -199,6 +203,15 @@ type CodexConfig struct {
 	LogFile                        string    `json:"log-file,omitempty"`
 }
 
+type RestPeerRecord struct {
+	PeerId    string   `json:"peerId"`
+	SeqNo     int      `json:"seqNo"`
+	Addresses []string `json:"addresses,omitempty"`
+}
+
+// peerId* {.serialize.}: PeerId
+// seqNo* {.serialize.}: uint64
+// addresses* {.serialize.}: seq[AddressInfo]
 type RestNode struct {
 	NodeId  string  `json:"nodeId"`
 	PeerId  string  `json:"peerId"`
@@ -434,20 +447,49 @@ func (self *CodexNode) CodexConnect(peerId string, peerAddresses []string) error
 	var cPeerId = C.CString(peerId)
 	defer C.free(unsafe.Pointer(cPeerId))
 
-	var cAddresses = make([]*C.char, len(peerAddresses))
-	for i, addr := range peerAddresses {
-		cAddresses[i] = C.CString(addr)
-		defer C.free(unsafe.Pointer(cAddresses[i]))
-	}
+	if len(peerAddresses) > 0 {
+		var cAddresses = make([]*C.char, len(peerAddresses))
+		for i, addr := range peerAddresses {
+			cAddresses[i] = C.CString(addr)
+			defer C.free(unsafe.Pointer(cAddresses[i]))
+		}
 
-	if C.cGoCodexConnect(self.ctx, cPeerId, &cAddresses[0], C.uintptr_t(len(peerAddresses)), bridge.resp) != C.RET_OK {
-		return bridge.CallError("cGoCodexConnect")
+		if C.cGoCodexConnect(self.ctx, cPeerId, &cAddresses[0], C.uintptr_t(len(peerAddresses)), bridge.resp) != C.RET_OK {
+			return bridge.CallError("cGoCodexConnect")
+		}
+	} else {
+		if C.cGoCodexConnect(self.ctx, cPeerId, nil, 0, bridge.resp) != C.RET_OK {
+			return bridge.CallError("cGoCodexConnect")
+		}
 	}
 
 	_, err := bridge.wait()
 	return err
 }
 
+func (self *CodexNode) CodexPeerDebug(peerId string) (RestPeerRecord, error) {
+	var record RestPeerRecord
+
+	bridge := newBridgeCtx()
+	defer bridge.free()
+
+	var cPeerId = C.CString(peerId)
+	defer C.free(unsafe.Pointer(cPeerId))
+
+	if C.cGoCodexPeerDebug(self.ctx, cPeerId, bridge.resp) != C.RET_OK {
+		return record, bridge.CallError("cGoCodexPeerDebug")
+	}
+
+	value, err := bridge.wait()
+	if err != nil {
+		return record, err
+	}
+
+	err = json.Unmarshal([]byte(value), &record)
+
+	return record, err
+}
+
 func (self *CodexNode) CodexStart() error {
 	bridge := newBridgeCtx()
 	defer bridge.free()
@@ -593,6 +635,20 @@ func main() {
 
 	log.Println("Codex Log Level set to TRACE")
 
+	// err = node.CodexConnect(peerId, []string{})
+	// if err != nil {
+	// 	log.Fatal("Error happened:", err.Error())
+	// }
+
+	// log.Println("Codex connecting to self...")
+
+	// val, err := node.CodexPeerDebug(peerId)
+	// if err != nil {
+	// 	log.Fatal("Error happened:", err.Error())
+	// }
+
+	// log.Println("Codex debugging self...", val)
+
 	// Wait for a SIGINT or SIGTERM signal
 	ch := make(chan os.Signal, 1)
 	signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)

library/codex_thread_requests/requests/node_debug_request.nim

@@ -4,6 +4,7 @@ import std/[options]
 import chronos
 import chronicles
 import codexdht/discv5/spr
+import ../../alloc
 import ../../../codex/conf
 import ../../../codex/rest/json
 import ../../../codex/node
@@ -12,16 +13,22 @@ from ../../../codex/codex import CodexServer, node
 
 type NodeDebugMsgType* = enum
   DEBUG
+  PEER
 
 type NodeDebugRequest* = object
   operation: NodeDebugMsgType
+  peerId: cstring
 
-proc createShared*(T: type NodeDebugRequest, op: NodeDebugMsgType): ptr type T =
+proc createShared*(
+    T: type NodeDebugRequest, op: NodeDebugMsgType, peerId: cstring = ""
+): ptr type T =
   var ret = createShared(T)
   ret[].operation = op
+  ret[].peerId = peerId.alloc()
   return ret
 
 proc destroyShared(self: ptr NodeDebugRequest) =
+  deallocShared(self[].peerId)
   deallocShared(self)
 
 proc getDebug(
@@ -42,6 +49,30 @@ proc getDebug(
 
   return ok($json)
 
+proc getPeer(
+    codex: ptr CodexServer, peerId: cstring
+): Future[Result[string, string]] {.async: (raises: []).} =
+  when codex_enable_api_debug_peers:
+    let node = codex[].node
+    let res = PeerId.init($peerId)
+    if res.isErr:
+      return err("Invalid peer ID " & $peerId & ": " & $res.error())
+
+    let id = res.get()
+
+    try:
+      let peerRecord = await node.findPeer(id)
+      if peerRecord.isNone:
+        return err("Peer not found")
+
+      return ok($ %RestPeerRecord.init(peerRecord.get()))
+    except CancelledError:
+      return err("Operation cancelled")
+    except CatchableError as e:
+      return err("Error when finding peer: " & e.msg)
+  else:
+    return err("Peer debug API is disabled")
+
 proc process*(
     self: ptr NodeDebugRequest, codex: ptr CodexServer
 ): Future[Result[string, string]] {.async: (raises: []).} =
@@ -55,5 +86,11 @@ proc process*(
       error "DEBUG failed", error = res.error
       return err($res.error)
     return res
+  of NodeDebugMsgType.PEER:
+    let res = (await getPeer(codex, self.peerId))
+    if res.isErr:
+      error "PEER failed", error = res.error
+      return err($res.error)
+    return res
 
   return ok("")

library/codex_thread_requests/requests/node_p2p_request.nim

@@ -3,8 +3,8 @@
 import std/[options]
 import chronos
 import chronicles
-import ../../alloc
 import libp2p
+import ../../alloc
 import ../../../codex/node
 
 from ../../../codex/codex import CodexServer, node

library/libcodex.h

@@ -74,6 +74,12 @@ int codex_connect(
                 CodexCallback callback,
                 void* userData);
 
+int codex_peer_debug(
+                void* ctx,
+                const char* peerId,
+                CodexCallback callback,
+                void* userData);
+
 int codex_start(void* ctx,
                CodexCallback callback,
                void* userData);

library/libcodex.nim

@@ -248,6 +248,23 @@ proc codex_connect(
 
   return RET_OK
 
+proc codex_peer_debug(
+    ctx: ptr CodexContext, peerId: cstring, callback: CodexCallback, userData: pointer
+): cint {.dynlib, exportc.} =
+  initializeLibrary()
+  checkLibcodexParams(ctx, callback, userData)
+
+  let reqContent = NodeDebugRequest.createShared(NodeDebugMsgType.PEER, peerId = peerId)
+
+  codex_context.sendRequestToCodexThread(
+    ctx, RequestType.DEBUG, reqContent, callback, userData
+  ).isOkOr:
+    let msg = "libcodex error: " & $error
+    callback(RET_ERR, unsafeAddr msg[0], cast[csize_t](len(msg)), userData)
+    return RET_ERR
+
+  return RET_OK
+
 proc codex_destroy(
     ctx: ptr CodexContext, callback: CodexCallback, userData: pointer
 ): cint {.dynlib, exportc.} =