On Sat, Feb 21, 2015 at 01:40:13AM +0100, Marc-André Lureau wrote:
> This change breaks webdav server, since libphodav-2 no longer
> set up a TCP service running in a thread. It's up to the client
> to decide how best to accept and handle new connections.
>
> This commits remove all the hacks related to proxying the incoming
> connections to a TCP socket, and protected with a magic sequence.
>
> The following commit will use GIOStream pipes to handle each client
> connections.
> ---
> configure.ac | 2 +-
> gtk/channel-webdav.c | 187 +++------------------------------------------------
> gtk/spice-session.c | 41 ++++++-----
> 3 files changed, 29 insertions(+), 201 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index d98e502..84cf568 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -278,7 +278,7 @@ AC_ARG_ENABLE([webdav],
> if test "x$enable_webdav" = "xno"; then
> have_phodav="no"
> else
> - PKG_CHECK_MODULES(PHODAV, [libphodav-1.0 glib-2.0 >= 2.43.90], [have_phodav=yes], [have_phodav=no])
> + PKG_CHECK_MODULES(PHODAV, [libphodav-2.0 glib-2.0 >= 2.43.90 libsoup-2.4 >= 2.50], [have_phodav=yes], [have_phodav=no])
even libsoup git is not 2.50, are you 100% sure this is the version
number which will be used when a release is made?
> AC_SUBST(PHODAV_CFLAGS)
> AC_SUBST(PHODAV_LIBS)
>
> diff --git a/gtk/channel-webdav.c b/gtk/channel-webdav.c
> index 75b027b..8cf53cf 100644
> --- a/gtk/channel-webdav.c
> +++ b/gtk/channel-webdav.c
> @@ -25,8 +25,6 @@
> #include "glib-compat.h"
> #include "vmcstream.h"
>
> -static PhodavServer* phodav_server_get(SpiceSession *session, gint *port);
> -
> /**
> * SECTION:channel-webdav
> * @short_description: exports a directory
> @@ -187,7 +185,7 @@ typedef struct Client
> {
> guint refs;
> SpiceWebdavChannel *self;
> - GSocketConnection *conn;
> + GIOStream *conn;
> OutputQueue *output;
> gint64 id;
> GCancellable *cancellable;
> @@ -327,102 +325,31 @@ static void demux_to_client(SpiceWebdavChannel *self,
> }
> }
>
> -static void magic_written(GObject *source_object,
> - GAsyncResult *res,
> - gpointer user_data)
> -{
> - Client *client = user_data;
> - SpiceWebdavChannel *self = client->self;
> - SpiceWebdavChannelPrivate *c = self->priv;
> - gssize bytes_written;
> - GError *err = NULL;
> -
> - bytes_written = g_output_stream_write_finish(G_OUTPUT_STREAM(source_object),
> - res, &err);
> -
> - if (err || bytes_written != WEBDAV_MAGIC_SIZE)
> - goto error;
> -
> - client_start_read(self, client);
> - g_hash_table_insert(c->clients, &client->id, client);
> -
> - demux_to_client(self, client);
> -
> - return;
> -
> -error:
> - if (err) {
> - g_critical("socket creation failed %s", err->message);
> - g_clear_error(&err);
> - }
> - if (client) {
> - client_unref(client);
> - }
> -}
> -
> -static void client_connected(GObject *source_object,
> - GAsyncResult *res,
> - gpointer user_data)
> +static void start_client(SpiceWebdavChannel *self)
> {
> - SpiceWebdavChannel *self = user_data;
> SpiceWebdavChannelPrivate *c = self->priv;
> - GSocketClient *sclient = G_SOCKET_CLIENT(source_object);
> - GError *err = NULL;
> - GSocketConnection *conn;
> - SpiceSession *session;
> - Client *client = NULL;
> GOutputStream *output;
> + Client *client;
>
> - session = spice_channel_get_session(SPICE_CHANNEL(self));
> -
> - conn = g_socket_client_connect_to_host_finish(sclient, res, &err);
> - g_object_unref(sclient);
> - if (err)
> - goto error;
> + CHANNEL_DEBUG(self, "starting client %" G_GINT64_FORMAT, c->demux.client);
>
> + /* FIXME: connect to server */
> client = g_new0(Client, 1);
> client->refs = 1;
> client->id = c->demux.client;
> client->self = self;
> - client->conn = conn;
> client->mux.id = GINT64_TO_LE(client->id);
> client->mux.buf = g_malloc0(MAX_MUX_SIZE);
> client->cancellable = g_cancellable_new();
>
> - output = g_buffered_output_stream_new(g_io_stream_get_output_stream(G_IO_STREAM(conn)));
> + output = g_buffered_output_stream_new(g_io_stream_get_output_stream(G_IO_STREAM(client->conn)));
> client->output = output_queue_new(output);
> g_object_unref(output);
>
> - g_output_stream_write_async(g_io_stream_get_output_stream(G_IO_STREAM(conn)),
> - spice_session_get_webdav_magic(session), WEBDAV_MAGIC_SIZE,
> - G_PRIORITY_DEFAULT, c->cancellable,
> - magic_written, client);
> - return;
> -
> -error:
> - if (err) {
> - g_critical("socket creation failed %s", err->message);
> - g_clear_error(&err);
> - }
> - if (client) {
> - client_unref(client);
> - }
> -}
> -
> -static void start_client(SpiceWebdavChannel *self)
> -{
> - SpiceWebdavChannelPrivate *c = self->priv;
> - GSocketClient *sclient;
> - gint davport = -1;
> - SpiceSession *session;
> -
> - session = spice_channel_get_session(SPICE_CHANNEL(self));
> - phodav_server_get(session, &davport);
> - CHANNEL_DEBUG(self, "starting client %" G_GINT64_FORMAT, c->demux.client);
> + client_start_read(self, client);
> + g_hash_table_insert(c->clients, &client->id, client);
>
> - sclient = g_socket_client_new();
> - g_socket_client_connect_to_host_async(sclient, "localhost", davport,
> - c->cancellable, client_connected, self);
> + demux_to_client(self, client);
> }
>
> static void data_read_cb(GObject *source_object,
> @@ -639,99 +566,3 @@ static void spice_webdav_handle_msg(SpiceChannel *channel, SpiceMsgIn *msg)
> else
> g_return_if_reached();
> }
> -
> -
> -
> -#ifdef USE_PHODAV
> -static void new_connection(SoupSocket *sock,
> - SoupSocket *new,
> - gpointer user_data)
> -{
> - SpiceSession *session = user_data;
> - SoupAddress *addr;
> - GSocketAddress *gaddr;
> - GInetAddress *iaddr;
> - guint port;
> - guint8 magic[WEBDAV_MAGIC_SIZE];
> - gsize nread;
> - gboolean success = FALSE;
> - SoupSocketIOStatus status;
> -
> - /* note: this is sync calls, since webdav server is in a seperate thread */
> - addr = soup_socket_get_remote_address(new);
> - gaddr = soup_address_get_gsockaddr(addr);
> - iaddr = g_inet_socket_address_get_address(G_INET_SOCKET_ADDRESS(gaddr));
> - port = g_inet_socket_address_get_port(G_INET_SOCKET_ADDRESS(gaddr));
> -
> - SPICE_DEBUG("port %d %p", port, iaddr);
> - if (!g_inet_address_get_is_loopback(iaddr)) {
> - g_warn_if_reached();
> - goto end;
> - }
> -
> - g_object_set(new, "non-blocking", FALSE, NULL);
> - status = soup_socket_read(new, magic, sizeof(magic), &nread, NULL, NULL);
> - if (status != SOUP_SOCKET_OK) {
> - g_warning("bad initial socket read: %d", status);
> - goto end;
> - }
> - g_object_set(new, "non-blocking", TRUE, NULL);
> -
> - /* check we got the right magic */
> - if (memcmp(spice_session_get_webdav_magic(session), magic, sizeof(magic))) {
> - g_warn_if_reached();
> - goto end;
> - }
> -
> - success = TRUE;
> -
> -end:
> - if (!success) {
> - g_warn_if_reached();
> - soup_socket_disconnect(new);
> - g_signal_stop_emission_by_name(sock, "new_connection");
> - }
> - g_object_unref(gaddr);
> -}
> -
> -G_GNUC_INTERNAL
> -PhodavServer* channel_webdav_server_new(SpiceSession *session)
> -{
> - PhodavServer *dav;
> - SoupServer *server;
> - SoupSocket *listener;
> - const char *shared_dir;
> -
> - shared_dir = spice_session_get_shared_dir(session);
> - if (shared_dir == NULL) {
> - g_debug("No shared dir set, not creating webdav channel");
> - return NULL;
> - }
> -
> - dav = phodav_server_new(0, shared_dir);
> -
> - server = phodav_server_get_soup_server(dav);
> - listener = soup_server_get_listener(server);
> - spice_g_signal_connect_object(listener, "new_connection",
> - G_CALLBACK(new_connection), session,
> - 0);
> -
> - return dav;
> -}
> -#endif /* USE_PHODAV */
> -
> -static PhodavServer* phodav_server_get(SpiceSession *session, gint *port)
> -{
> - g_return_val_if_fail(SPICE_IS_SESSION(session), NULL);
> -
> -#ifdef USE_PHODAV
> - PhodavServer *server = spice_session_get_webdav_server(session);
> -
> - if (port)
> - *port = phodav_server_get_port(server);
> -
> - return server;
> -#else
> - g_return_val_if_reached(NULL);
> -#endif
> -}
> diff --git a/gtk/spice-session.c b/gtk/spice-session.c
> index 82ea55f..ab7b25c 100644
> --- a/gtk/spice-session.c
> +++ b/gtk/spice-session.c
> @@ -122,7 +122,6 @@ struct _SpiceSessionPrivate {
> SpiceUsbDeviceManager *usb_manager;
> SpicePlaybackChannel *playback_channel;
> PhodavServer *webdav;
> - guint8 webdav_magic[WEBDAV_MAGIC_SIZE];
> };
>
>
> @@ -2604,36 +2603,34 @@ gboolean spice_session_get_smartcard_enabled(SpiceSession *session)
> }
>
> G_GNUC_INTERNAL
> -const guint8* spice_session_get_webdav_magic(SpiceSession *session)
> -{
> - g_return_val_if_fail(SPICE_IS_SESSION(session), NULL);
> -
> - return session->priv->webdav_magic;
> -}
> -
> -G_GNUC_INTERNAL
> PhodavServer* spice_session_get_webdav_server(SpiceSession *session)
> {
> + SpiceSessionPrivate *priv;
> +
> g_return_val_if_fail(SPICE_IS_SESSION(session), NULL);
> + priv = session->priv;
>
> #ifdef USE_PHODAV
> - static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
> - int i;
> -
> - g_static_mutex_lock(&mutex);
> - if (!session->priv->webdav) {
> - for (i = 0; i < sizeof(session->priv->webdav_magic); i++)
> - session->priv->webdav_magic[i] = g_random_int_range(0, 255);
> + static GMutex mutex;
>
> - session->priv->webdav = channel_webdav_server_new(session);
> - if (session->priv->webdav != NULL) {
> - phodav_server_run(session->priv->webdav);
> - }
> + const gchar *shared_dir = spice_session_get_shared_dir(session);
> + if (shared_dir == NULL) {
> + g_debug("No shared dir set, not creating webdav server");
> + return NULL;
> }
> - g_static_mutex_unlock(&mutex);
> +
> + g_mutex_lock(&mutex);
> +
> + if (priv->webdav)
> + goto end;
> +
> + priv->webdav = phodav_server_new(shared_dir);
> +
> + end:
> + g_mutex_unlock(&mutex);
Looks like GOnce?
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