On Tue, 2016-09-20 at 09:05 +0100, Frediano Ziglio wrote:
> Signed-off-by: Frediano Ziglio <fzig...@redhat.com>
> ---
> server/red-channel.c | 42 ++++++++++++++++++------------------------
> 1 file changed, 18 insertions(+), 24 deletions(-)
>
> diff --git a/server/red-channel.c b/server/red-channel.c
> index 474fe68..9359bc4 100644
> --- a/server/red-channel.c
> +++ b/server/red-channel.c
> @@ -31,6 +31,9 @@
> #include "main-dispatcher.h"
> #include "utils.h"
>
> +#define FOREACH_CHANNEL(_client, _iter, _data) \
> + GLIST_FOREACH((_client ? (_client)->channels : NULL), _iter,
> RedChannelClient, _data)
This is not well named, presumably because RedClient::channels is
poorly named. This variable holds channel *clients*, not channels. So
the macro should probably be FOREACH_CHANNEL_CLIENT()
> +
> /*
> * Lifetime of RedChannel, RedChannelClient and RedClient:
> * RedChannel is created and destroyed by the calls to
> @@ -577,14 +580,16 @@ RedClient *red_client_unref(RedClient *client)
>
> void red_client_set_migration_seamless(RedClient *client) // dest
> {
> - GList *link;
> + GListIter iter;
> + RedChannelClient *rcc;
> +
> spice_assert(client->during_target_migrate);
> pthread_mutex_lock(&client->lock);
> client->seamless_migrate = TRUE;
> /* update channel clients that got connected before the
> migration
> * type was set. red_client_add_channel will handle newer
> channel clients */
> - for (link = client->channels; link != NULL; link = link->next) {
> - if (red_channel_client_set_migration_seamless(link->data))
> + FOREACH_CHANNEL(client, iter, rcc) {
> + if (red_channel_client_set_migration_seamless(rcc))
> client->num_migrated_channels++;
> }
> pthread_mutex_unlock(&client->lock);
> @@ -592,7 +597,7 @@ void red_client_set_migration_seamless(RedClient
> *client) // dest
>
> void red_client_migrate(RedClient *client)
> {
> - GList *link, *next;
> + GListIter iter;
> RedChannelClient *rcc;
> RedChannel *channel;
>
> @@ -603,21 +608,17 @@ void red_client_migrate(RedClient *client)
> " this might be a BUG",
> client->thread_id, pthread_self());
> }
> - link = client->channels;
> - while (link) {
> - next = link->next;
> - rcc = link->data;
> + FOREACH_CHANNEL(client, iter, rcc) {
> channel = red_channel_client_get_channel(rcc);
> if (red_channel_client_is_connected(rcc)) {
> channel->client_cbs.migrate(rcc);
> }
> - link = next;
> }
> }
>
> void red_client_destroy(RedClient *client)
> {
> - GList *link, *next;
> + GListIter iter;
> RedChannelClient *rcc;
>
> spice_printerr("destroy client %p with #channels=%d", client,
> g_list_length(client->channels));
> @@ -628,13 +629,10 @@ void red_client_destroy(RedClient *client)
> client->thread_id,
> pthread_self());
> }
> - link = client->channels;
> - while (link) {
> + FOREACH_CHANNEL(client, iter, rcc) {
> RedChannel *channel;
> - next = link->next;
> // some channels may be in other threads, so disconnection
> // is not synchronous.
> - rcc = link->data;
> channel = red_channel_client_get_channel(rcc);
> red_channel_client_set_destroying(rcc);
> // some channels may be in other threads. However we
> currently
> @@ -646,7 +644,6 @@ void red_client_destroy(RedClient *client)
> spice_assert(red_channel_client_pipe_is_empty(rcc));
> spice_assert(red_channel_client_no_item_being_sent(rcc));
> red_channel_client_destroy(rcc);
> - link = next;
> }
> red_client_unref(client);
> }
> @@ -654,13 +651,12 @@ void red_client_destroy(RedClient *client)
> /* client->lock should be locked */
> RedChannelClient *red_client_get_channel(RedClient *client, int
> type, int id)
> {
> - GList *link;
> + GListIter iter;
> RedChannelClient *rcc;
> RedChannelClient *ret = NULL;
>
> - for (link = client->channels; link != NULL; link = link->next) {
> + FOREACH_CHANNEL(client, iter, rcc) {
> RedChannel *channel;
> - rcc = link->data;
> channel = red_channel_client_get_channel(rcc);
> if (channel->type == type && channel->id == id) {
> ret = rcc;
> @@ -691,7 +687,8 @@ void red_client_set_main(RedClient *client,
> MainChannelClient *mcc) {
>
> void red_client_semi_seamless_migrate_complete(RedClient *client)
> {
> - GList *link, *next;
> + GListIter iter;
> + RedChannelClient *rcc;
>
> pthread_mutex_lock(&client->lock);
> if (!client->during_target_migrate || client->seamless_migrate)
> {
> @@ -700,11 +697,8 @@ void
> red_client_semi_seamless_migrate_complete(RedClient *client)
> return;
> }
> client->during_target_migrate = FALSE;
> - link = client->channels;
> - while (link) {
> - next = link->next;
> - red_channel_client_semi_seamless_migration_complete(link-
> >data);
> - link = next;
> + FOREACH_CHANNEL(client, iter, rcc) {
> + red_channel_client_semi_seamless_migration_complete(rcc);
> }
> pthread_mutex_unlock(&client->lock);
> reds_on_client_semi_seamless_migrate_complete(client->reds,
> client);
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