--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/src/SocketStreamHandle.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,236 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "SocketStreamHandle.h"
+
+#if ENABLE(WEB_SOCKETS)
+
+#include "Logging.h"
+#include "NotImplemented.h"
+#include "SocketStreamHandleClient.h"
+#include "WebData.h"
+#include "WebKit.h"
+#include "WebKitClient.h"
+#include "WebSocketStreamHandle.h"
+#include "WebSocketStreamHandleClient.h"
+#include "WebURL.h"
+#include <wtf/PassOwnPtr.h>
+
+using namespace WebKit;
+
+namespace WebCore {
+
+class SocketStreamHandleInternal : public WebSocketStreamHandleClient {
+public:
+    static PassOwnPtr<SocketStreamHandleInternal> create(SocketStreamHandle* handle)
+    {
+        return new SocketStreamHandleInternal(handle);
+    }
+    virtual ~SocketStreamHandleInternal();
+
+    void connect(const KURL&);
+    int send(const char*, int);
+    void close();
+
+    virtual void didOpenStream(WebSocketStreamHandle*, int);
+    virtual void didSendData(WebSocketStreamHandle*, int);
+    virtual void didReceiveData(WebSocketStreamHandle*, const WebData&);
+    virtual void didClose(WebSocketStreamHandle*);
+    virtual void didFail(WebSocketStreamHandle*, const WebSocketStreamError&);
+
+private:
+    explicit SocketStreamHandleInternal(SocketStreamHandle*);
+
+    SocketStreamHandle* m_handle;
+    OwnPtr<WebSocketStreamHandle> m_socket;
+    int m_maxPendingSendAllowed;
+    int m_pendingAmountSent;
+};
+
+SocketStreamHandleInternal::SocketStreamHandleInternal(SocketStreamHandle* handle)
+    : m_handle(handle)
+    , m_maxPendingSendAllowed(0)
+    , m_pendingAmountSent(0)
+{
+}
+
+SocketStreamHandleInternal::~SocketStreamHandleInternal()
+{
+    m_handle = 0;
+}
+
+void SocketStreamHandleInternal::connect(const KURL& url)
+{
+    m_socket.set(webKitClient()->createSocketStreamHandle());
+    LOG(Network, "connect");
+    ASSERT(m_socket.get());
+    m_socket->connect(url, this);
+}
+
+int SocketStreamHandleInternal::send(const char* data, int len)
+{
+    LOG(Network, "send len=%d", len);
+    ASSERT(m_socket.get());
+    if (m_pendingAmountSent + len >= m_maxPendingSendAllowed)
+        len = m_maxPendingSendAllowed - m_pendingAmountSent - 1;
+
+    if (len <= 0)
+        return len;
+    WebData webdata(data, len);
+    if (m_socket->send(webdata)) {
+        m_pendingAmountSent += len;
+        LOG(Network, "sent");
+        return len;
+    }
+    LOG(Network, "busy. buffering");
+    return 0;
+}
+
+void SocketStreamHandleInternal::close()
+{
+    LOG(Network, "close");
+    m_socket->close();
+}
+    
+void SocketStreamHandleInternal::didOpenStream(WebSocketStreamHandle* socketHandle, int maxPendingSendAllowed)
+{
+    LOG(Network, "SocketStreamHandleInternal::didOpen %d",
+        maxPendingSendAllowed);
+    ASSERT(maxPendingSendAllowed > 0);
+    if (m_handle && m_socket.get()) {
+        ASSERT(socketHandle == m_socket.get());
+        m_maxPendingSendAllowed = maxPendingSendAllowed;
+        m_handle->m_state = SocketStreamHandleBase::Open;
+        if (m_handle->m_client) {
+            m_handle->m_client->didOpen(m_handle);
+            return;
+        }
+    }
+    LOG(Network, "no m_handle or m_socket?");
+}
+
+void SocketStreamHandleInternal::didSendData(WebSocketStreamHandle* socketHandle, int amountSent)
+{
+    LOG(Network, "SocketStreamHandleInternal::didSendData %d", amountSent);
+    ASSERT(amountSent > 0);
+    if (m_handle && m_socket.get()) {
+        ASSERT(socketHandle == m_socket.get());
+        m_pendingAmountSent -= amountSent;
+        ASSERT(m_pendingAmountSent >= 0);
+        m_handle->sendPendingData();
+    }
+}
+
+void SocketStreamHandleInternal::didReceiveData(WebSocketStreamHandle* socketHandle, const WebData& data)
+{
+    LOG(Network, "didReceiveData");
+    if (m_handle && m_socket.get()) {
+        ASSERT(socketHandle == m_socket.get());
+        if (m_handle->m_client)
+            m_handle->m_client->didReceiveData(m_handle, data.data(), data.size());
+    }
+}
+
+void SocketStreamHandleInternal::didClose(WebSocketStreamHandle* socketHandle)
+{
+    LOG(Network, "didClose");
+    if (m_handle && m_socket.get()) {
+        ASSERT(socketHandle == m_socket.get());
+        m_socket.clear();
+        SocketStreamHandle* h = m_handle;
+        m_handle = 0;
+        if (h->m_client)
+            h->m_client->didClose(h);
+    }
+}
+
+void SocketStreamHandleInternal::didFail(WebSocketStreamHandle* socketHandle, const WebSocketStreamError& err)
+{
+    LOG(Network, "didFail");
+    if (m_handle && m_socket.get()) {
+        ASSERT(socketHandle == m_socket.get());
+        m_socket.clear();
+        SocketStreamHandle* h = m_handle;
+        m_handle = 0;
+        if (h->m_client)
+            h->m_client->didClose(h);  // didFail(h, err);
+    }
+}
+
+// FIXME: auth
+
+// SocketStreamHandle ----------------------------------------------------------
+
+SocketStreamHandle::SocketStreamHandle(const KURL& url, SocketStreamHandleClient* client)
+    : SocketStreamHandleBase(url, client)
+{
+    m_internal = SocketStreamHandleInternal::create(this);
+    m_internal->connect(m_url);
+}
+
+SocketStreamHandle::~SocketStreamHandle()
+{
+    setClient(0);
+    m_internal.clear();
+}
+
+int SocketStreamHandle::platformSend(const char* buf, int len)
+{
+    if (!m_internal.get())
+        return 0;
+    return m_internal->send(buf, len);
+}
+
+void SocketStreamHandle::platformClose()
+{
+    if (m_internal.get())
+        m_internal->close();
+}
+
+void SocketStreamHandle::didReceiveAuthenticationChallenge(const AuthenticationChallenge& challenge)
+{
+    if (m_client)
+        m_client->didReceiveAuthenticationChallenge(this, challenge);
+}
+
+void SocketStreamHandle::receivedCredential(const AuthenticationChallenge& challenge, const Credential& credential)
+{
+    notImplemented();
+}
+
+void SocketStreamHandle::receivedRequestToContinueWithoutCredential(const AuthenticationChallenge& challenge)
+{
+    notImplemented();
+}
+
+}  // namespace WebCore
+
+#endif  // ENABLE(WEB_SOCKETS)