From 81f7bb0c0d5e38b9bd1de3edef2490e805e2299d Mon Sep 17 00:00:00 2001
From: hyung-hwan <hyunghwan.chung@gmail.com>
Date: Tue, 18 Feb 2025 01:17:51 +0900
Subject: [PATCH] added /_ctl/client-conns/id/nocies

---
 client-ctl.go | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++
 client.go     | 18 ++++++++++++++++
 server-ctl.go |  1 +
 3 files changed, 76 insertions(+)

diff --git a/client-ctl.go b/client-ctl.go
index 0d213fe..fa3a810 100644
--- a/client-ctl.go
+++ b/client-ctl.go
@@ -125,6 +125,10 @@ type client_ctl_client_conns_id_routes_id_peers_id struct {
 	client_ctl
 }
 
+type client_ctl_client_conns_id_notices struct {
+	client_ctl
+}
+
 type client_ctl_stats struct {
 	client_ctl
 }
@@ -872,6 +876,59 @@ oops:
 
 // ------------------------------------
 
+func (ctl *client_ctl_client_conns_id_notices) ServeHTTP(w http.ResponseWriter, req *http.Request) (int, error) {
+	var c *Client
+	var status_code int
+	var conn_id string
+	var cts *ClientConn
+	var je *json.Encoder
+	var err error
+
+	c = ctl.c
+	je = json.NewEncoder(w)
+
+	conn_id = req.PathValue("conn_id")
+	cts, err = c.FindClientConnByIdStr(conn_id)
+	if err != nil {
+		status_code = WriteJsonRespHeader(w, http.StatusNotFound)
+		je.Encode(JsonErrmsg{Text: err.Error()})
+		goto oops
+	}
+
+	switch req.Method {
+		case http.MethodPost:
+			var noti json_in_notice
+
+			err = json.NewDecoder(req.Body).Decode(&noti)
+			if err != nil {
+				status_code = WriteEmptyRespHeader(w, http.StatusBadRequest)
+				goto oops
+			}
+
+			// no check if noti.Text is empty as i want an empty message to be delivered too.
+			err = cts.psc.Send(MakeConnNoticePacket(noti.Text))
+			if err != nil {
+				err = fmt.Errorf("failed to send conn_notice text to %s - %s", noti.Text, cts.remote_addr, err.Error())
+				status_code = WriteJsonRespHeader(w, http.StatusInternalServerError)
+				je.Encode(JsonErrmsg{Text: err.Error()})
+				goto oops
+			}
+
+			status_code = WriteJsonRespHeader(w, http.StatusOK)
+
+		default:
+			status_code = WriteEmptyRespHeader(w, http.StatusBadRequest)
+	}
+
+//done:
+	return status_code, nil
+
+oops:
+	return status_code, err
+}
+
+// ------------------------------------
+
 func (ctl *client_ctl_stats) ServeHTTP(w http.ResponseWriter, req *http.Request) (int, error) {
 	var c *Client
 	var status_code int
diff --git a/client.go b/client.go
index bea0f8b..8387a17 100644
--- a/client.go
+++ b/client.go
@@ -7,9 +7,11 @@ import "fmt"
 import "log"
 import "net"
 import "net/http"
+import "strconv"
 import "sync"
 import "sync/atomic"
 import "time"
+import "unsafe"
 
 import "google.golang.org/grpc"
 import "google.golang.org/grpc/codes"
@@ -1346,6 +1348,8 @@ func NewClient(ctx context.Context, name string, logger Logger, cfg *ClientConfi
 		c.wrap_http_handler(&client_ctl_client_conns_id_routes_id_peers{client_ctl{c: &c, id: HS_ID_CTL}}))
 	c.ctl_mux.Handle(c.ctl_prefix + "/_ctl/client-conns/{conn_id}/routes/{route_id}/peers/{peer_id}",
 		c.wrap_http_handler(&client_ctl_client_conns_id_routes_id_peers_id{client_ctl{c: &c, id: HS_ID_CTL}}))
+	c.ctl_mux.Handle(c.ctl_prefix + "/_ctl/client-conns/{conn_id}/notices",
+		c.wrap_http_handler(&client_ctl_client_conns_id_notices{client_ctl{c: &c, id: HS_ID_CTL}}))
 	c.ctl_mux.Handle(c.ctl_prefix + "/_ctl/stats",
 		c.wrap_http_handler(&client_ctl_stats{client_ctl{c: &c, id: HS_ID_CTL}}))
 	c.ctl_mux.Handle(c.ctl_prefix + "/_ctl/token",
@@ -1533,6 +1537,20 @@ func (c *Client) FindClientRouteById(conn_id ConnId, route_id RouteId) *ClientRo
 	return cts.FindClientRouteById(route_id)
 }
 
+func (c *Client) FindClientConnByIdStr(conn_id string) (*ClientConn, error) {
+	var conn_nid uint64
+	var cts *ClientConn
+	var err error
+
+	conn_nid, err = strconv.ParseUint(conn_id, 10, int(unsafe.Sizeof(ConnId(0)) * 8))
+	if err != nil { return nil, fmt.Errorf("invalid connection id %s - %s", conn_id, err.Error()); }
+
+	cts = c.FindClientConnById(ConnId(conn_nid))
+	if cts == nil { return nil, fmt.Errorf("non-existent connection id %d", conn_nid) }
+
+	return cts, nil
+}
+
 func (c *Client) FindClientRouteByServerPeerSvcPortId(conn_id ConnId, port_id PortId) *ClientRoute {
 	var cts *ClientConn
 	var ok bool
diff --git a/server-ctl.go b/server-ctl.go
index b64e5d7..537c9a9 100644
--- a/server-ctl.go
+++ b/server-ctl.go
@@ -579,6 +579,7 @@ func (ctl *server_ctl_server_conns_id_notices) ServeHTTP(w http.ResponseWriter,
 				goto oops
 			}
 
+			// no check if noti.Text is empty as i want an empty message to be delivered too.
 			err = cts.pss.Send(MakeConnNoticePacket(noti.Text))
 			if err != nil {
 				err = fmt.Errorf("failed to send conn_notice text to %s - %s", noti.Text, cts.RemoteAddr, err.Error())