From c6ce58b302950c743bbbcbc38da4ecf33721f82b Mon Sep 17 00:00:00 2001
From: "Nicolas \"Pixel\" Noble" <pixel@nobis-crew.org>
Date: Sun, 22 Dec 2013 12:48:47 -0800
Subject: Actually supporting client/server enforcements, as well as ping.

---
 src/BWebSocket.cc | 35 ++++++++++++++++++++---------------
 1 file changed, 20 insertions(+), 15 deletions(-)

(limited to 'src')

diff --git a/src/BWebSocket.cc b/src/BWebSocket.cc
index 3e81e7d..013f1e0 100644
--- a/src/BWebSocket.cc
+++ b/src/BWebSocket.cc
@@ -121,10 +121,8 @@ void Balau::WebSocketWorker::Do() {
                 m_socket->read(&c, 1);
                 if (m_socket->isClosed()) return;
                 m_hasMask = c & 0x80;
-                if (m_enforceServer && !m_hasMask)
-                    goto error;
-                if (m_enforceClient && m_hasMask)
-                    goto error;
+                if (m_enforceServer && !m_hasMask) goto error;
+                if (m_enforceClient && m_hasMask) goto error;
                 m_payloadLen = c & 0x7f;
                 m_state = READ_PLL;
                 if (m_payloadLen == 126) {
@@ -167,8 +165,7 @@ void Balau::WebSocketWorker::Do() {
                 while (m_remainingBytes) {
                     int r = m_socket->read(m_payload + m_totalLen - m_remainingBytes, m_remainingBytes);
                     if (m_socket->isClosed()) return;
-                    if (r < 0)
-                        goto error;
+                    if (r < 0) goto error;
                     m_remainingBytes -= r;
                 }
 
@@ -216,13 +213,25 @@ void Balau::WebSocketWorker::processMessage() {
 }
 
 void Balau::WebSocketWorker::processPing() {
-
+    sendFrame(new WebSocketFrame(m_payload, m_payloadLen, OPCODE_PING, m_enforceClient));
 }
 
 void Balau::WebSocketWorker::processPong() {
 
 }
 
+void Balau::WebSocketWorker::enforceClient() throw (GeneralException) {
+    if (m_enforceClient || m_enforceServer)
+        throw GeneralException("Can't set client or server mode more than once");
+    m_enforceClient = true;
+}
+
+void Balau::WebSocketWorker::enforceServer() throw (GeneralException) {
+    if (m_enforceClient || m_enforceServer)
+        throw GeneralException("Can't set client or server mode more than once");
+    m_enforceServer = true;
+}
+
 void Balau::WebSocketServerBase::sendError(IO<Handle> out, const char * serverName) {
     const char * status = Http::getStatusMsg(400);
     String errorMsg;
@@ -242,18 +251,14 @@ static const Balau::String magic = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
 bool Balau::WebSocketServerBase::Do(HttpServer * server, Http::Request & req, HttpServer::Action::ActionMatch & match, IO<Handle> out) throw (GeneralException) {
     WebSocketWorker * worker = NULL;
 
-    if (!req.upgrade)
-        goto error;
+    if (!req.upgrade) goto error;
 
-    if (req.headers["Upgrade"] != "websocket")
-        goto error;
+    if (req.headers["Upgrade"] != "websocket") goto error;
 
-    if (req.headers["Sec-WebSocket-Key"] == "")
-        goto error;
+    if (req.headers["Sec-WebSocket-Key"] == "") goto error;
 
     worker = spawnWorker(out, req.uri);
-    if (!worker->parse(req))
-        goto error;
+    if (!worker->parse(req)) goto error;
 
     TaskMan::registerTask(worker);
     {
-- 
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