aboutsummaryrefslogtreecommitdiffstats
path: root/doc/src/guide/websocket.asciidoc
diff options
context:
space:
mode:
Diffstat (limited to 'doc/src/guide/websocket.asciidoc')
-rw-r--r--doc/src/guide/websocket.asciidoc8
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/src/guide/websocket.asciidoc b/doc/src/guide/websocket.asciidoc
index 23c5030..83a8384 100644
--- a/doc/src/guide/websocket.asciidoc
+++ b/doc/src/guide/websocket.asciidoc
@@ -14,7 +14,7 @@ HTTP/1.1 connections can be upgraded to Websocket, so you might
need to restrict the protocol to HTTP/1.1 if you are planning
to use Websocket over TLS.
-You must use the `gun_ws:upgrade/{2,3}` function to upgrade
+You must use the `gun_ws:upgrade/{2,3,4}` function to upgrade
to Websocket. This function can be called anytime after connection,
so you can send HTTP requests before upgrading to Websocket.
@@ -34,6 +34,12 @@ gun:ws_upgrade(ConnPid, "/websocket", [
{<<"sec-websocket-protocol">>, "mychat"}
]).
+You can pass the Websocket options as part of the `gun:open/{2,3}`
+call when opening the connection, or using the `gun:ws_upgrade/4`.
+The fourth argument is those same options. This function call
+will crash if the options are incorrect, unlike when passing
+them through `gun:open/{2,3}`.
+
The success or failure of this operation will be sent as a
message.