>
> Make RedsState::mig_target_clients into a GList to improve encapsulation
> and maintainability. Also RedsMigTargetClient::pending_links. With
> GList, a type implementation can be ignorant of whether they're
> contained within a list or not.
Acked-by: Frediano Ziglio <fzig...@redhat.com>
Frediano
> ---
> Changes in v2:
> - don't change memory allocator -- use spice_new0() not g_new0()
>
> server/reds-private.h | 6 ++----
> server/reds.c | 56
> ++++++++++++++++++++++-----------------------------
> 2 files changed, 26 insertions(+), 36 deletions(-)
>
> diff --git a/server/reds-private.h b/server/reds-private.h
> index 0408f25..29645bf 100644
> --- a/server/reds-private.h
> +++ b/server/reds-private.h
> @@ -61,16 +61,14 @@ typedef struct RedsStatValue {
> #endif
>
> typedef struct RedsMigPendingLink {
> - RingItem ring_link; // list of links that belongs to the same client
> SpiceLinkMess *link_msg;
> RedsStream *stream;
> } RedsMigPendingLink;
>
> typedef struct RedsMigTargetClient {
> RedsState *reds;
> - RingItem link;
> RedClient *client;
> - Ring pending_links;
> + GList *pending_links;
> } RedsMigTargetClient;
>
> /* Intermediate state for on going monitors config message from a single
> @@ -122,7 +120,7 @@ struct RedsState {
> between the 2 servers */
> int dst_do_seamless_migrate; /* per migration. Updated after the
> migration handshake
> between the 2 servers */
> - Ring mig_target_clients;
> + GList *mig_target_clients;
>
> int num_of_channels;
> Ring channels;
> diff --git a/server/reds.c b/server/reds.c
> index 800107b..a387eeb 100644
> --- a/server/reds.c
> +++ b/server/reds.c
> @@ -295,7 +295,7 @@ static RedCharDeviceVDIPort
> *red_char_device_vdi_port_new(RedsState *reds);
>
> static void migrate_timeout(void *opaque);
> static RedsMigTargetClient* reds_mig_target_client_find(RedsState *reds,
> RedClient *client);
> -static void reds_mig_target_client_free(RedsMigTargetClient *mig_client);
> +static void reds_mig_target_client_free(RedsState *reds, RedsMigTargetClient
> *mig_client);
> static void reds_mig_cleanup_wait_disconnect(RedsState *reds);
> static void reds_mig_remove_wait_disconnect_client(RedsState *reds,
> RedClient *client);
> static void reds_add_char_device(RedsState *reds, RedCharDevice *dev);
> @@ -596,7 +596,7 @@ void reds_client_disconnect(RedsState *reds, RedClient
> *client)
>
> mig_client = reds_mig_target_client_find(reds, client);
> if (mig_client) {
> - reds_mig_target_client_free(mig_client);
> + reds_mig_target_client_free(reds, mig_client);
> }
>
> if (reds->mig_wait_disconnect) {
> @@ -1678,24 +1678,21 @@ static void reds_mig_target_client_add(RedsState
> *reds, RedClient *client)
> {
> RedsMigTargetClient *mig_client;
>
> - spice_assert(reds);
> + g_return_if_fail(reds);
> spice_info(NULL);
> - mig_client = spice_malloc0(sizeof(RedsMigTargetClient));
> + mig_client = spice_new0(RedsMigTargetClient, 1);
> mig_client->client = client;
> mig_client->reds = reds;
> - ring_init(&mig_client->pending_links);
> - ring_add(&reds->mig_target_clients, &mig_client->link);
> -
> + reds->mig_target_clients = g_list_append(reds->mig_target_clients,
> mig_client);
> }
>
> static RedsMigTargetClient* reds_mig_target_client_find(RedsState *reds,
> RedClient *client)
> {
> - RingItem *item;
> + GList *l;
>
> - RING_FOREACH(item, &reds->mig_target_clients) {
> - RedsMigTargetClient *mig_client;
> + for (l = reds->mig_target_clients; l != NULL; l = l->next) {
> + RedsMigTargetClient *mig_client = l->data;
>
> - mig_client = SPICE_CONTAINEROF(item, RedsMigTargetClient, link);
> if (mig_client->client == client) {
> return mig_client;
> }
> @@ -1710,34 +1707,30 @@ static void
> reds_mig_target_client_add_pending_link(RedsMigTargetClient *client,
> RedsMigPendingLink *mig_link;
>
> spice_assert(client);
> - mig_link = spice_malloc0(sizeof(RedsMigPendingLink));
> + mig_link = spice_new0(RedsMigPendingLink, 1);
> mig_link->link_msg = link_msg;
> mig_link->stream = stream;
>
> - ring_add(&client->pending_links, &mig_link->ring_link);
> + client->pending_links = g_list_append(client->pending_links, mig_link);
> }
>
> -static void reds_mig_target_client_free(RedsMigTargetClient *mig_client)
> +static void reds_mig_target_client_free(RedsState *reds, RedsMigTargetClient
> *mig_client)
> {
> - RingItem *now, *next;
> -
> - ring_remove(&mig_client->link);
> -
> - RING_FOREACH_SAFE(now, next, &mig_client->pending_links) {
> - RedsMigPendingLink *mig_link = SPICE_CONTAINEROF(now,
> RedsMigPendingLink, ring_link);
> - ring_remove(now);
> - free(mig_link);
> - }
> + reds->mig_target_clients = g_list_remove(reds->mig_target_clients,
> mig_client);
> + g_list_free_full(mig_client->pending_links, g_free);
> free(mig_client);
> }
>
> static void reds_mig_target_client_disconnect_all(RedsState *reds)
> {
> - RingItem *now, *next;
> + GList *l, *next;
>
> - RING_FOREACH_SAFE(now, next, &reds->mig_target_clients) {
> - RedsMigTargetClient *mig_client = SPICE_CONTAINEROF(now,
> RedsMigTargetClient, link);
> + l = reds->mig_target_clients;
> + while (l) {
> + next = l->next;
> + RedsMigTargetClient *mig_client = l->data;
> reds_client_disconnect(reds, mig_client->client);
> + l = next;
> }
> }
>
> @@ -1905,7 +1898,7 @@ static void reds_channel_do_link(RedChannel *channel,
> RedClient *client,
> static int reds_link_mig_target_channels(RedsState *reds, RedClient *client)
> {
> RedsMigTargetClient *mig_client;
> - RingItem *item;
> + GList *item;
>
> spice_info("%p", client);
> mig_client = reds_mig_target_client_find(reds, client);
> @@ -1916,11 +1909,10 @@ static int reds_link_mig_target_channels(RedsState
> *reds, RedClient *client)
>
> /* Each channel should check if we are during migration, and
> * act accordingly. */
> - RING_FOREACH(item, &mig_client->pending_links) {
> - RedsMigPendingLink *mig_link;
> + for(item = mig_client->pending_links; item != NULL; item = item->next) {
> + RedsMigPendingLink *mig_link = item->data;
> RedChannel *channel;
>
> - mig_link = SPICE_CONTAINEROF(item, RedsMigPendingLink, ring_link);
> channel = reds_find_channel(reds, mig_link->link_msg->channel_type,
> mig_link->link_msg->channel_id);
> if (!channel) {
> @@ -1933,7 +1925,7 @@ static int reds_link_mig_target_channels(RedsState
> *reds, RedClient *client)
> reds_channel_do_link(channel, client, mig_link->link_msg,
> mig_link->stream);
> }
>
> - reds_mig_target_client_free(mig_client);
> + reds_mig_target_client_free(reds, mig_client);
>
> return TRUE;
> }
> @@ -3459,7 +3451,7 @@ static int do_spice_init(RedsState *reds,
> SpiceCoreInterface *core_interface)
> reds->num_clients = 0;
> reds->main_dispatcher = main_dispatcher_new(reds, reds->core);
> ring_init(&reds->channels);
> - ring_init(&reds->mig_target_clients);
> + reds->mig_target_clients = NULL;
> reds->char_devices = NULL;
> reds->mig_wait_disconnect_clients = NULL;
> reds->vm_running = TRUE; /* for backward compatibility */
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