text: #include <ProtocolServer/Download.h>
  #include <ProtocolServer/PSClientConnection.h>
  #include <ProtocolServer/Protocol.h>
  #include <ProtocolServer/ProtocolClientEndpoint.h>
  #include <LibC/SharedBuffer.h>
  
  static HashMap<int, RefPtr<PSClientConnection>> s_connections;
  
  PSClientConnection::PSClientConnection(CLocalSocket& socket, int client_id)
      : ConnectionNG(*this, socket, client_id)
  {
      s_connections.set(client_id, *this);
  }
  
  PSClientConnection::~PSClientConnection()
  {
  }
  
  void PSClientConnection::die()
  {
      s_connections.remove(client_id());
  }
  
  OwnPtr<ProtocolServer::IsSupportedProtocolResponse> PSClientConnection::handle(const ProtocolServer::IsSupportedProtocol& message)
  {
      bool supported = Protocol::find_by_name(message.protocol().to_lowercase());
      return make<ProtocolServer::IsSupportedProtocolResponse>(supported);
  }
  
  OwnPtr<ProtocolServer::StartDownloadResponse> PSClientConnection::handle(const ProtocolServer::StartDownload& message)
  {
      URL url(message.url());
      ASSERT(url.is_valid());
      auto* protocol = Protocol::find_by_name(url.protocol());
      ASSERT(protocol);
      auto download = protocol->start_download(*this, url);
      return make<ProtocolServer::StartDownloadResponse>(download->id());
  }
  
  OwnPtr<ProtocolServer::StopDownloadResponse> PSClientConnection::handle(const ProtocolServer::StopDownload& message)
  {
      auto* download = Download::find_by_id(message.download_id());
      bool success = false;
      if (download) {
          download->stop();
      }
      return make<ProtocolServer::StopDownloadResponse>(success);
  }
  
  void PSClientConnection::did_finish_download(Badge<Download>, Download& download, bool success)
  {
      RefPtr<SharedBuffer> buffer;
      if (success && !download.payload().is_null()) {
          buffer = SharedBuffer::create_with_size(download.payload().size());
          memcpy(buffer->data(), download.payload().data(), download.payload().size());
          buffer->seal();
          buffer->share_with(client_pid());
          m_shared_buffers.set(buffer->shared_buffer_id(), buffer);
      }
      post_message(ProtocolClient::DownloadFinished(download.id(), success, download.total_size(), buffer ? buffer->shared_buffer_id() : -1));
  }
  
  void PSClientConnection::did_progress_download(Badge<Download>, Download& download)
  {
      post_message(ProtocolClient::DownloadProgress(download.id(), download.total_size(), download.downloaded_size()));
  }
  
  OwnPtr<ProtocolServer::GreetResponse> PSClientConnection::handle(const ProtocolServer::Greet& message)
  {
      set_client_pid(message.client_pid());
      return make<ProtocolServer::GreetResponse>(getpid(), client_id());
  }
  
  OwnPtr<ProtocolServer::DisownSharedBufferResponse> PSClientConnection::handle(const ProtocolServer::DisownSharedBuffer& message)
  {
      m_shared_buffers.remove(message.shared_buffer_id());
      return make<ProtocolServer::DisownSharedBufferResponse>();
  }
  