res_http_websocket.c: Continue reading after ping/pong

Do not return error if the client received ping frame
while looking for a string and just wait for another frame.

ASTERISK-28958 #close

Change-Id: I4d06b4827bd71e56cbaafc011ffdcef9f0332922

diff --git a/res/res_http_websocket.c b/res/res_http_websocket.c
index 5d14ac68893c2d5b7a245d3733ef88225fcd261f..fdcb0d9a93ec574879ec363a81aeb8fb8e97b1bb 100644 (file)
--- a/res/res_http_websocket.c
+++ b/res/res_http_websocket.c
@@ -1452,6 +1452,12 @@ int AST_OPTIONAL_API_NAME(ast_websocket_read_string)
                        return -1;
                }
 
+               if (opcode == AST_WEBSOCKET_OPCODE_PING) {
+                       /* Try read again, we have sent pong already */
+                       fragmented = 1;
+                       continue;
+               }
+
                if (opcode == AST_WEBSOCKET_OPCODE_CONTINUATION) {
                        continue;
                }