mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 02:57:42 +00:00
Port WSClientConnection to CIPCServerSideClient
This commit is contained in:
Robin Burchell
Andreas Kling
parent
edcbba9e98
commit
6eaa6826fa
6 changed files with 65 additions and 191 deletions
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@ -39,34 +39,32 @@ WSClientConnection* WSClientConnection::from_client_id(int client_id)
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return (*it).value;
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}
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WSClientConnection::WSClientConnection(int fd)
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: m_fd(fd)
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WSClientConnection::WSClientConnection(int fd, int client_id)
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: CIPCServerSideClient(fd, client_id)
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{
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static int s_next_client_id = 0;
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m_client_id = ++s_next_client_id;
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if (!s_connections)
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s_connections = new HashMap<int, WSClientConnection*>;
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s_connections->set(m_client_id, this);
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WSAPI_ServerMessage message;
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message.type = WSAPI_ServerMessage::Type::Greeting;
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message.greeting.server_pid = getpid();
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message.greeting.your_client_id = m_client_id;
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message.greeting.screen_rect = WSScreen::the().rect();
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post_message(message);
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s_connections->set(client_id, this);
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}
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WSClientConnection::~WSClientConnection()
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{
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s_connections->remove(m_client_id);
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int rc = close(m_fd);
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ASSERT(rc == 0);
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s_connections->remove(client_id());
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}
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void WSClientConnection::send_greeting()
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{
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WSAPI_ServerMessage message;
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message.type = WSAPI_ServerMessage::Type::Greeting;
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message.greeting.server_pid = getpid();
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message.greeting.your_client_id = client_id();
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message.greeting.screen_rect = WSScreen::the().rect();
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post_message(message);
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}
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void WSClientConnection::post_error(const String& error_message)
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{
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dbgprintf("WSClientConnection::post_error: client_id=%d: %s\n", m_client_id, error_message.characters());
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dbgprintf("WSClientConnection::post_error: client_id=%d: %s\n", client_id(), error_message.characters());
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WSAPI_ServerMessage message;
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message.type = WSAPI_ServerMessage::Type::Error;
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ASSERT(error_message.length() < (ssize_t)sizeof(message.text));
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@ -75,45 +73,6 @@ void WSClientConnection::post_error(const String& error_message)
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post_message(message);
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}
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void WSClientConnection::post_message(const WSAPI_ServerMessage& message, const ByteBuffer& extra_data)
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{
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if (!extra_data.is_empty())
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const_cast<WSAPI_ServerMessage&>(message).extra_size = extra_data.size();
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struct iovec iov[2];
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int iov_count = 1;
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iov[0].iov_base = const_cast<WSAPI_ServerMessage*>(&message);
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iov[0].iov_len = sizeof(message);
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if (!extra_data.is_empty()) {
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iov[1].iov_base = const_cast<u8*>(extra_data.data());
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iov[1].iov_len = extra_data.size();
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++iov_count;
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}
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int nwritten = writev(m_fd, iov, iov_count);
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if (nwritten < 0) {
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switch (errno) {
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case EPIPE:
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dbgprintf("WSClientConnection::post_message: Disconnected from peer.\n");
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delete_later();
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return;
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break;
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case EAGAIN:
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dbgprintf("WSClientConnection::post_message: Client buffer overflowed.\n");
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did_misbehave();
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return;
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break;
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default:
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perror("WSClientConnection::post_message writev");
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ASSERT_NOT_REACHED();
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}
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}
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ASSERT(nwritten == (int)(sizeof(message) + extra_data.size()));
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}
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void WSClientConnection::notify_about_new_screen_rect(const Rect& rect)
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{
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WSAPI_ServerMessage message;
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@ -129,21 +88,7 @@ void WSClientConnection::event(CEvent& event)
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return;
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}
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if (event.type() == WSEvent::WM_ClientDisconnected) {
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int client_id = static_cast<const WSClientDisconnectedNotification&>(event).client_id();
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dbgprintf("WSClientConnection: Client disconnected: %d\n", client_id);
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delete this;
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return;
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}
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CObject::event(event);
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}
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void WSClientConnection::did_misbehave()
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{
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dbgprintf("WSClientConnection{%p} (id=%d, pid=%d) misbehaved, disconnecting.\n", this, m_client_id, m_pid);
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// FIXME: We should make sure we avoid processing any further messages from this client.
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delete_later();
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CIPCServerSideClient::event(event);
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}
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static Vector<Rect, 32> get_rects(const WSAPI_ClientMessage& message, const ByteBuffer& extra_data)
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@ -162,84 +107,46 @@ static Vector<Rect, 32> get_rects(const WSAPI_ClientMessage& message, const Byte
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return rects;
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}
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void WSClientConnection::on_ready_read()
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{
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unsigned messages_received = 0;
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for (;;) {
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WSAPI_ClientMessage message;
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// FIXME: Don't go one message at a time, that's so much context switching, oof.
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ssize_t nread = recv(fd(), &message, sizeof(WSAPI_ClientMessage), MSG_DONTWAIT);
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if (nread == 0 || (nread == -1 && errno == EAGAIN)) {
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if (!messages_received)
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CEventLoop::current().post_event(*this, make<WSClientDisconnectedNotification>(client_id()));
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break;
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}
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if (nread < 0) {
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perror("recv");
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ASSERT_NOT_REACHED();
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}
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ByteBuffer extra_data;
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if (message.extra_size) {
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if (message.extra_size >= 32768) {
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dbgprintf("message.extra_size is way too large\n");
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return did_misbehave();
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}
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extra_data = ByteBuffer::create_uninitialized(message.extra_size);
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// FIXME: We should allow this to time out. Maybe use a socket timeout?
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int extra_nread = read(fd(), extra_data.data(), extra_data.size());
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if (extra_nread != (int)message.extra_size) {
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dbgprintf("extra_nread(%d) != extra_size(%d)\n", extra_nread, extra_data.size());
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if (extra_nread < 0)
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perror("read");
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return did_misbehave();
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}
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}
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if (!handle_message(message, move(extra_data)))
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return;
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++messages_received;
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}
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}
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bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, ByteBuffer&& extra_data)
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bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, const ByteBuffer&& extra_data)
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{
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switch (message.type) {
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case WSAPI_ClientMessage::Type::Greeting:
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set_client_pid(message.greeting.client_pid);
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break;
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case WSAPI_ClientMessage::Type::CreateMenubar:
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CEventLoop::current().post_event(*this, make<WSAPICreateMenubarRequest>(m_client_id));
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CEventLoop::current().post_event(*this, make<WSAPICreateMenubarRequest>(client_id()));
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break;
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case WSAPI_ClientMessage::Type::DestroyMenubar:
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CEventLoop::current().post_event(*this, make<WSAPIDestroyMenubarRequest>(m_client_id, message.menu.menubar_id));
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CEventLoop::current().post_event(*this, make<WSAPIDestroyMenubarRequest>(client_id(), message.menu.menubar_id));
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break;
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case WSAPI_ClientMessage::Type::SetApplicationMenubar:
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CEventLoop::current().post_event(*this, make<WSAPISetApplicationMenubarRequest>(m_client_id, message.menu.menubar_id));
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CEventLoop::current().post_event(*this, make<WSAPISetApplicationMenubarRequest>(client_id(), message.menu.menubar_id));
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break;
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case WSAPI_ClientMessage::Type::AddMenuToMenubar:
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CEventLoop::current().post_event(*this, make<WSAPIAddMenuToMenubarRequest>(m_client_id, message.menu.menubar_id, message.menu.menu_id));
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CEventLoop::current().post_event(*this, make<WSAPIAddMenuToMenubarRequest>(client_id(), message.menu.menubar_id, message.menu.menu_id));
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break;
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case WSAPI_ClientMessage::Type::CreateMenu:
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if (message.text_length > (int)sizeof(message.text)) {
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did_misbehave();
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return false;
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}
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CEventLoop::current().post_event(*this, make<WSAPICreateMenuRequest>(m_client_id, String(message.text, message.text_length)));
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CEventLoop::current().post_event(*this, make<WSAPICreateMenuRequest>(client_id(), String(message.text, message.text_length)));
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break;
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case WSAPI_ClientMessage::Type::PopupMenu:
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CEventLoop::current().post_event(*this, make<WSAPIPopupMenuRequest>(m_client_id, message.menu.menu_id, message.menu.position));
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CEventLoop::current().post_event(*this, make<WSAPIPopupMenuRequest>(client_id(), message.menu.menu_id, message.menu.position));
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break;
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case WSAPI_ClientMessage::Type::DismissMenu:
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CEventLoop::current().post_event(*this, make<WSAPIDismissMenuRequest>(m_client_id, message.menu.menu_id));
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CEventLoop::current().post_event(*this, make<WSAPIDismissMenuRequest>(client_id(), message.menu.menu_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowIcon:
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if (message.text_length > (int)sizeof(message.text)) {
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did_misbehave();
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return false;
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}
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CEventLoop::current().post_event(*this, make<WSAPISetWindowIconRequest>(m_client_id, message.window_id, String(message.text, message.text_length)));
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CEventLoop::current().post_event(*this, make<WSAPISetWindowIconRequest>(client_id(), message.window_id, String(message.text, message.text_length)));
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break;
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case WSAPI_ClientMessage::Type::DestroyMenu:
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CEventLoop::current().post_event(*this, make<WSAPIDestroyMenuRequest>(m_client_id, message.menu.menu_id));
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CEventLoop::current().post_event(*this, make<WSAPIDestroyMenuRequest>(client_id(), message.menu.menu_id));
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break;
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case WSAPI_ClientMessage::Type::AddMenuItem:
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if (message.text_length > (int)sizeof(message.text)) {
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@ -250,7 +157,7 @@ bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, Byte
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did_misbehave();
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return false;
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}
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CEventLoop::current().post_event(*this, make<WSAPIAddMenuItemRequest>(m_client_id, message.menu.menu_id, message.menu.identifier, String(message.text, message.text_length), String(message.menu.shortcut_text, message.menu.shortcut_text_length), message.menu.enabled, message.menu.checkable, message.menu.checked));
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CEventLoop::current().post_event(*this, make<WSAPIAddMenuItemRequest>(client_id(), message.menu.menu_id, message.menu.identifier, String(message.text, message.text_length), String(message.menu.shortcut_text, message.menu.shortcut_text_length), message.menu.enabled, message.menu.checkable, message.menu.checked));
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break;
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case WSAPI_ClientMessage::Type::UpdateMenuItem:
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if (message.text_length > (int)sizeof(message.text)) {
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@ -261,10 +168,10 @@ bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, Byte
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did_misbehave();
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return false;
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}
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CEventLoop::current().post_event(*this, make<WSAPIUpdateMenuItemRequest>(m_client_id, message.menu.menu_id, message.menu.identifier, String(message.text, message.text_length), String(message.menu.shortcut_text, message.menu.shortcut_text_length), message.menu.enabled, message.menu.checkable, message.menu.checked));
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CEventLoop::current().post_event(*this, make<WSAPIUpdateMenuItemRequest>(client_id(), message.menu.menu_id, message.menu.identifier, String(message.text, message.text_length), String(message.menu.shortcut_text, message.menu.shortcut_text_length), message.menu.enabled, message.menu.checkable, message.menu.checked));
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break;
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case WSAPI_ClientMessage::Type::AddMenuSeparator:
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CEventLoop::current().post_event(*this, make<WSAPIAddMenuSeparatorRequest>(m_client_id, message.menu.menu_id));
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CEventLoop::current().post_event(*this, make<WSAPIAddMenuSeparatorRequest>(client_id(), message.menu.menu_id));
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break;
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case WSAPI_ClientMessage::Type::CreateWindow: {
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if (message.text_length > (int)sizeof(message.text)) {
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@ -303,7 +210,7 @@ bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, Byte
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}
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CEventLoop::current().post_event(*this,
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make<WSAPICreateWindowRequest>(m_client_id,
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make<WSAPICreateWindowRequest>(client_id(),
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message.window.rect,
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String(message.text, message.text_length),
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message.window.has_alpha_channel,
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@ -319,29 +226,29 @@ bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, Byte
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break;
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}
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case WSAPI_ClientMessage::Type::DestroyWindow:
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CEventLoop::current().post_event(*this, make<WSAPIDestroyWindowRequest>(m_client_id, message.window_id));
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CEventLoop::current().post_event(*this, make<WSAPIDestroyWindowRequest>(client_id(), message.window_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowTitle:
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if (message.text_length > (int)sizeof(message.text)) {
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did_misbehave();
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return false;
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}
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CEventLoop::current().post_event(*this, make<WSAPISetWindowTitleRequest>(m_client_id, message.window_id, String(message.text, message.text_length)));
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CEventLoop::current().post_event(*this, make<WSAPISetWindowTitleRequest>(client_id(), message.window_id, String(message.text, message.text_length)));
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break;
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case WSAPI_ClientMessage::Type::GetWindowTitle:
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CEventLoop::current().post_event(*this, make<WSAPIGetWindowTitleRequest>(m_client_id, message.window_id));
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CEventLoop::current().post_event(*this, make<WSAPIGetWindowTitleRequest>(client_id(), message.window_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowRect:
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CEventLoop::current().post_event(*this, make<WSAPISetWindowRectRequest>(m_client_id, message.window_id, message.window.rect));
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CEventLoop::current().post_event(*this, make<WSAPISetWindowRectRequest>(client_id(), message.window_id, message.window.rect));
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break;
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case WSAPI_ClientMessage::Type::GetWindowRect:
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CEventLoop::current().post_event(*this, make<WSAPIGetWindowRectRequest>(m_client_id, message.window_id));
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CEventLoop::current().post_event(*this, make<WSAPIGetWindowRectRequest>(client_id(), message.window_id));
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break;
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case WSAPI_ClientMessage::Type::SetClipboardContents:
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CEventLoop::current().post_event(*this, make<WSAPISetClipboardContentsRequest>(m_client_id, message.clipboard.shared_buffer_id, message.clipboard.contents_size));
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CEventLoop::current().post_event(*this, make<WSAPISetClipboardContentsRequest>(client_id(), message.clipboard.shared_buffer_id, message.clipboard.contents_size));
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break;
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case WSAPI_ClientMessage::Type::GetClipboardContents:
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CEventLoop::current().post_event(*this, make<WSAPIGetClipboardContentsRequest>(m_client_id));
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CEventLoop::current().post_event(*this, make<WSAPIGetClipboardContentsRequest>(client_id()));
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break;
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case WSAPI_ClientMessage::Type::InvalidateRect: {
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auto rects = get_rects(message, extra_data);
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@ -349,7 +256,7 @@ bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, Byte
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did_misbehave();
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return false;
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}
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CEventLoop::current().post_event(*this, make<WSAPIInvalidateRectRequest>(m_client_id, message.window_id, rects));
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CEventLoop::current().post_event(*this, make<WSAPIInvalidateRectRequest>(client_id(), message.window_id, rects));
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break;
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}
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case WSAPI_ClientMessage::Type::DidFinishPainting: {
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@ -358,48 +265,48 @@ bool WSClientConnection::handle_message(const WSAPI_ClientMessage& message, Byte
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did_misbehave();
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return false;
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}
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CEventLoop::current().post_event(*this, make<WSAPIDidFinishPaintingNotification>(m_client_id, message.window_id, rects));
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CEventLoop::current().post_event(*this, make<WSAPIDidFinishPaintingNotification>(client_id(), message.window_id, rects));
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break;
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}
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case WSAPI_ClientMessage::Type::GetWindowBackingStore:
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CEventLoop::current().post_event(*this, make<WSAPIGetWindowBackingStoreRequest>(m_client_id, message.window_id));
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CEventLoop::current().post_event(*this, make<WSAPIGetWindowBackingStoreRequest>(client_id(), message.window_id));
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break;
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case WSAPI_ClientMessage::Type::SetWindowBackingStore:
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CEventLoop::current().post_event(*this, make<WSAPISetWindowBackingStoreRequest>(m_client_id, message.window_id, message.backing.shared_buffer_id, message.backing.size, message.backing.bpp, message.backing.pitch, message.backing.has_alpha_channel, message.backing.flush_immediately));
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CEventLoop::current().post_event(*this, make<WSAPISetWindowBackingStoreRequest>(client_id(), message.window_id, message.backing.shared_buffer_id, message.backing.size, message.backing.bpp, message.backing.pitch, message.backing.has_alpha_channel, message.backing.flush_immediately));
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break;
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case WSAPI_ClientMessage::Type::SetGlobalCursorTracking:
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CEventLoop::current().post_event(*this, make<WSAPISetGlobalCursorTrackingRequest>(m_client_id, message.window_id, message.value));
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CEventLoop::current().post_event(*this, make<WSAPISetGlobalCursorTrackingRequest>(client_id(), message.window_id, message.value));
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break;
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case WSAPI_ClientMessage::Type::SetWallpaper:
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if (message.text_length > (int)sizeof(message.text)) {
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did_misbehave();
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return false;
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}
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CEventLoop::current().post_event(*this, make<WSAPISetWallpaperRequest>(m_client_id, String(message.text, message.text_length)));
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CEventLoop::current().post_event(*this, make<WSAPISetWallpaperRequest>(client_id(), String(message.text, message.text_length)));
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break;
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case WSAPI_ClientMessage::Type::GetWallpaper:
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CEventLoop::current().post_event(*this, make<WSAPIGetWallpaperRequest>(m_client_id));
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CEventLoop::current().post_event(*this, make<WSAPIGetWallpaperRequest>(client_id()));
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break;
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case WSAPI_ClientMessage::Type::SetWindowOverrideCursor:
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CEventLoop::current().post_event(*this, make<WSAPISetWindowOverrideCursorRequest>(m_client_id, message.window_id, (WSStandardCursor)message.cursor.cursor));
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CEventLoop::current().post_event(*this, make<WSAPISetWindowOverrideCursorRequest>(client_id(), message.window_id, (WSStandardCursor)message.cursor.cursor));
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break;
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case WSAPI_ClientMessage::SetWindowHasAlphaChannel:
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CEventLoop::current().post_event(*this, make<WSAPISetWindowHasAlphaChannelRequest>(m_client_id, message.window_id, message.value));
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CEventLoop::current().post_event(*this, make<WSAPISetWindowHasAlphaChannelRequest>(client_id(), message.window_id, message.value));
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break;
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case WSAPI_ClientMessage::Type::WM_SetActiveWindow:
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CEventLoop::current().post_event(*this, make<WSWMAPISetActiveWindowRequest>(m_client_id, message.wm.client_id, message.wm.window_id));
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CEventLoop::current().post_event(*this, make<WSWMAPISetActiveWindowRequest>(client_id(), message.wm.client_id, message.wm.window_id));
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break;
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case WSAPI_ClientMessage::Type::WM_SetWindowMinimized:
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CEventLoop::current().post_event(*this, make<WSWMAPISetWindowMinimizedRequest>(m_client_id, message.wm.client_id, message.wm.window_id, message.wm.minimized));
|
||||
CEventLoop::current().post_event(*this, make<WSWMAPISetWindowMinimizedRequest>(client_id(), message.wm.client_id, message.wm.window_id, message.wm.minimized));
|
||||
break;
|
||||
case WSAPI_ClientMessage::Type::WM_StartWindowResize:
|
||||
CEventLoop::current().post_event(*this, make<WSWMAPIStartWindowResizeRequest>(m_client_id, message.wm.client_id, message.wm.window_id));
|
||||
CEventLoop::current().post_event(*this, make<WSWMAPIStartWindowResizeRequest>(client_id(), message.wm.client_id, message.wm.window_id));
|
||||
break;
|
||||
case WSAPI_ClientMessage::Type::WM_PopupWindowMenu:
|
||||
CEventLoop::current().post_event(*this, make<WSWMAPIPopupWindowMenuRequest>(m_client_id, message.wm.client_id, message.wm.window_id, message.wm.position));
|
||||
CEventLoop::current().post_event(*this, make<WSWMAPIPopupWindowMenuRequest>(client_id(), message.wm.client_id, message.wm.window_id, message.wm.position));
|
||||
break;
|
||||
case WSAPI_ClientMessage::Type::MoveWindowToFront:
|
||||
CEventLoop::current().post_event(*this, make<WSAPIMoveWindowToFrontRequest>(m_client_id, message.window_id));
|
||||
CEventLoop::current().post_event(*this, make<WSAPIMoveWindowToFrontRequest>(client_id(), message.window_id));
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
|
@ -745,7 +652,7 @@ void WSClientConnection::handle_request(const WSAPIGetClipboardContentsRequest&)
|
|||
// FIXME: Optimize case where an app is copy/pasting within itself.
|
||||
// We can just reuse the SharedBuffer then, since it will have the same peer PID.
|
||||
// It would be even nicer if a SharedBuffer could have an arbitrary number of clients..
|
||||
RefPtr<SharedBuffer> shared_buffer = SharedBuffer::create(m_pid, WSClipboard::the().size());
|
||||
RefPtr<SharedBuffer> shared_buffer = SharedBuffer::create(client_pid(), WSClipboard::the().size());
|
||||
ASSERT(shared_buffer);
|
||||
memcpy(shared_buffer->data(), WSClipboard::the().data(), WSClipboard::the().size());
|
||||
shared_buffer->seal();
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue