From 2e4be792237bdc106d10b0e2e2861dfc17312b31 Mon Sep 17 00:00:00 2001
From: ekoby <eugene.kobyakov@netfoundry.io>
Date: Thu, 3 Oct 2024 14:09:31 -0400
Subject: [PATCH] set `ziti-edge` application protocol(ALPN)

---
 library/channel.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/library/channel.c b/library/channel.c
index 9701c732..5f713ace 100644
--- a/library/channel.c
+++ b/library/channel.c
@@ -45,6 +45,10 @@ enum ChannelState {
     Closed,
 };
 
+static const char *edge_alpn[] = {
+        "ziti-edge",
+};
+
 static inline const char *ch_state_str(ziti_channel_t *ch) {
     switch (ch->state) {
         case Initial:
@@ -115,6 +119,7 @@ static void ch_init_stream(ziti_channel_t *ch) {
     tlsuv_stream_init(ch->loop, ch->connection, ch->ctx->tlsCtx);
     tlsuv_stream_keepalive(ch->connection, true, 30);
     tlsuv_stream_nodelay(ch->connection, true);
+    tlsuv_stream_set_protocols(ch->connection, 1, edge_alpn);
     ch->connection->data = ch;
     ch->reconnect = false;
 }
@@ -890,8 +895,8 @@ static void on_channel_connect_internal(uv_connect_t *req, int status) {
 
     if (status == 0) {
         if (ch->ctx->api_session != NULL && ch->ctx->api_session->token != NULL) {
-            CH_LOG(DEBUG, "connected");
             tlsuv_stream_t *mbed = (tlsuv_stream_t *) req->handle;
+            CH_LOG(DEBUG, "connected alpn[%s]", tlsuv_stream_get_protocol(mbed));
             tlsuv_stream_read_start(mbed, channel_alloc_cb, on_channel_data);
             ch->reconnect_count = 0;
             send_hello(ch, ch->ctx->api_session);