>
> It's only used by these callbacks, moving it there makes things clearer
> about its intended use.
> ---
> server/inputs-channel.c | 5 +++--
> server/main-channel.c | 2 +-
> server/red-channel.c | 24 +++++++++++++++++-------
> server/red-channel.h | 9 ++++-----
> server/red-qxl.c | 25 ++++++++++++-------------
> server/reds.c | 23 ++++++++++++++++-------
> server/smartcard.c | 2 +-
> server/sound.c | 26 +++++++++++++-------------
> server/spicevmc.c | 2 +-
> 9 files changed, 68 insertions(+), 50 deletions(-)
>
> diff --git a/server/inputs-channel.c b/server/inputs-channel.c
> index 45e0a8f..4443825 100644
> --- a/server/inputs-channel.c
> +++ b/server/inputs-channel.c
> @@ -531,7 +531,8 @@ static void
> inputs_channel_hold_pipe_item(RedChannelClient *rcc, PipeItem *item)
> static void inputs_connect(RedChannel *channel, RedClient *client,
> RedsStream *stream, int migration,
> int num_common_caps, uint32_t *common_caps,
> - int num_caps, uint32_t *caps)
> + int num_caps, uint32_t *caps,
> + gpointer cbs_data)
> {
> InputsChannelClient *icc;
>
> @@ -555,7 +556,7 @@ static void inputs_connect(RedChannel *channel, RedClient
> *client,
> inputs_pipe_add_init(&icc->base);
> }
>
> -static void inputs_migrate(RedChannelClient *rcc)
> +static void inputs_migrate(RedChannelClient *rcc, gpointer cbs_data)
> {
> InputsChannel *inputs = SPICE_CONTAINEROF(rcc->channel, InputsChannel,
> base);
> inputs->src_during_migrate = TRUE;
> diff --git a/server/main-channel.c b/server/main-channel.c
> index a9d0ce1..baa2033 100644
> --- a/server/main-channel.c
> +++ b/server/main-channel.c
> @@ -1148,7 +1148,7 @@ uint64_t
> main_channel_client_get_roundtrip_ms(MainChannelClient *mcc)
> return mcc->latency / 1000;
> }
>
> -static void main_channel_client_migrate(RedChannelClient *rcc)
> +static void main_channel_client_migrate(RedChannelClient *rcc, gpointer
> cbs_data)
> {
> reds_on_main_channel_migrate(rcc->channel->reds, SPICE_CONTAINEROF(rcc,
> MainChannelClient, base));
> red_channel_client_default_migrate(rcc);
> diff --git a/server/red-channel.c b/server/red-channel.c
> index d8f1d27..8c4d0ba 100644
> --- a/server/red-channel.c
> +++ b/server/red-channel.c
> @@ -992,12 +992,12 @@ static void
> red_channel_client_default_connect(RedChannel *channel, RedClient *c
> RedsStream *stream,
> int migration,
> int num_common_caps, uint32_t
> *common_caps,
> - int num_caps, uint32_t *caps)
> + int num_caps, uint32_t *caps,
> gpointer cbs_data)
> {
> spice_error("not implemented");
> }
>
> -static void red_channel_client_default_disconnect(RedChannelClient *base)
> +static void red_channel_client_default_disconnect(RedChannelClient *base,
> gpointer cbs_data)
> {
> red_channel_client_disconnect(base);
> }
> @@ -1062,7 +1062,7 @@ RedChannel *red_channel_create(int size,
>
> client_cbs.connect = red_channel_client_default_connect;
> client_cbs.disconnect = red_channel_client_default_disconnect;
> - client_cbs.migrate = red_channel_client_default_migrate;
> + client_cbs.migrate =
> (channel_client_migrate_proc)red_channel_client_default_migrate;
>
I don't like these kind of cast. Why don't you add a parameter (unused)
to these functions?
> red_channel_register_client_cbs(channel, &client_cbs, NULL);
> red_channel_set_common_cap(channel, SPICE_COMMON_CAP_MINI_HEADER);
> @@ -1113,7 +1113,7 @@ RedChannel *red_channel_create_dummy(int size,
> RedsState *reds, uint32_t type, u
> ring_init(&channel->clients);
> client_cbs.connect = red_channel_client_default_connect;
> client_cbs.disconnect = red_channel_client_default_disconnect;
> - client_cbs.migrate = red_channel_client_default_migrate;
> + client_cbs.migrate =
> (channel_client_migrate_proc)red_channel_client_default_migrate;
>
> red_channel_register_client_cbs(channel, &client_cbs, NULL);
> red_channel_set_common_cap(channel, SPICE_COMMON_CAP_MINI_HEADER);
> @@ -1183,7 +1183,7 @@ void red_channel_register_client_cbs(RedChannel
> *channel, const ClientCbs *clien
> if (client_cbs->migrate) {
> channel->client_cbs.migrate = client_cbs->migrate;
> }
> - channel->data = cbs_data;
> + channel->client_cbs.cbs_data = cbs_data;
> }
>
> int test_capability(const uint32_t *caps, int num_caps, uint32_t cap)
> @@ -2106,6 +2106,16 @@ void red_client_set_migration_seamless(RedClient
> *client) // dest
> pthread_mutex_unlock(&client->lock);
> }
>
> +static void red_channel_client_migrate_client(RedChannelClient *rcc)
> +{
> + rcc->channel->client_cbs.migrate(rcc,
> rcc->channel->client_cbs.cbs_data);
> +}
> +
> +static void red_channel_client_disconnect_client(RedChannelClient *rcc)
> +{
> + rcc->channel->client_cbs.disconnect(rcc,
> rcc->channel->client_cbs.cbs_data);
> +}
> +
> void red_client_migrate(RedClient *client)
> {
> RingItem *link, *next;
> @@ -2121,7 +2131,7 @@ void red_client_migrate(RedClient *client)
> RING_FOREACH_SAFE(link, next, &client->channels) {
> rcc = SPICE_CONTAINEROF(link, RedChannelClient, client_link);
> if (red_channel_client_is_connected(rcc)) {
> - rcc->channel->client_cbs.migrate(rcc);
> + red_channel_client_migrate_client(rcc);
> }
> }
> }
> @@ -2149,7 +2159,7 @@ void red_client_destroy(RedClient *client)
> // to wait for disconnection)
> // TODO: should we go back to async. For this we need to use
> // ref count for channel clients.
> - rcc->channel->client_cbs.disconnect(rcc);
> + red_channel_client_disconnect_client(rcc);
> spice_assert(ring_is_empty(&rcc->pipe));
> spice_assert(rcc->pipe_size == 0);
> spice_assert(rcc->send_data.size == 0);
> diff --git a/server/red-channel.h b/server/red-channel.h
> index 26304bf..51d606e 100644
> --- a/server/red-channel.h
> +++ b/server/red-channel.h
> @@ -185,9 +185,9 @@ typedef uint64_t
> (*channel_handle_migrate_data_get_serial_proc)(RedChannelClient
>
> typedef void (*channel_client_connect_proc)(RedChannel *channel, RedClient
> *client, RedsStream *stream,
> int migration, int
> num_common_cap, uint32_t
> *common_caps,
> - int num_caps, uint32_t *caps);
> -typedef void (*channel_client_disconnect_proc)(RedChannelClient *base);
> -typedef void (*channel_client_migrate_proc)(RedChannelClient *base);
> + int num_caps, uint32_t *caps,
> gpointer cbs_data);
> +typedef void (*channel_client_disconnect_proc)(RedChannelClient *base,
> gpointer cbs_data);
> +typedef void (*channel_client_migrate_proc)(RedChannelClient *base, gpointer
> cbs_data);
>
> // TODO: add ASSERTS for thread_id in client and channel calls
> //
> @@ -217,6 +217,7 @@ typedef struct {
> channel_client_connect_proc connect;
> channel_client_disconnect_proc disconnect;
> channel_client_migrate_proc migrate;
> + gpointer cbs_data;
> } ClientCbs;
>
> typedef struct RedChannelCapabilities {
> @@ -335,8 +336,6 @@ struct RedChannel {
> RedChannelCapabilities local_caps;
> uint32_t migration_flags;
>
> - void *data;
> -
> // TODO: when different channel_clients are in different threads from
> Channel -> need to protect!
> pthread_t thread_id;
> struct RedsState *reds;
> diff --git a/server/red-qxl.c b/server/red-qxl.c
> index ee3cab0..f720fd5 100644
> --- a/server/red-qxl.c
> +++ b/server/red-qxl.c
> @@ -75,13 +75,13 @@ static int red_qxl_check_qxl_version(QXLState *rq, int
> major, int minor)
> static void red_qxl_set_display_peer(RedChannel *channel, RedClient *client,
> RedsStream *stream, int migration,
> int num_common_caps, uint32_t
> *common_caps, int num_caps,
> - uint32_t *caps)
> + uint32_t *caps, gpointer cbs_data)
> {
> RedWorkerMessageDisplayConnect payload = {0,};
> QXLState *qxl_state;
>
> spice_debug("%s", "");
> - qxl_state = (QXLState *)channel->data;
> + qxl_state = (QXLState *)cbs_data;
> payload.client = client;
> payload.stream = stream;
> payload.migration = migration;
> @@ -98,7 +98,7 @@ static void red_qxl_set_display_peer(RedChannel *channel,
> RedClient *client,
> &payload);
> }
>
> -static void red_qxl_disconnect_display_peer(RedChannelClient *rcc)
> +static void red_qxl_disconnect_display_peer(RedChannelClient *rcc, gpointer
> cbs_data)
> {
> RedWorkerMessageDisplayDisconnect payload;
> QXLState *qxl_state;
> @@ -107,8 +107,7 @@ static void
> red_qxl_disconnect_display_peer(RedChannelClient *rcc)
> return;
> }
>
> - qxl_state = (QXLState *)rcc->channel->data;
> -
> + qxl_state = (QXLState *)cbs_data;
> spice_printerr("");
> payload.rcc = rcc;
>
> @@ -119,14 +118,14 @@ static void
> red_qxl_disconnect_display_peer(RedChannelClient *rcc)
> &payload);
> }
>
> -static void red_qxl_display_migrate(RedChannelClient *rcc)
> +static void red_qxl_display_migrate(RedChannelClient *rcc, gpointer
> cbs_data)
> {
> RedWorkerMessageDisplayMigrate payload;
> QXLState *qxl_state;
> if (!rcc->channel) {
> return;
> }
> - qxl_state = (QXLState *)rcc->channel->data;
> + qxl_state = (QXLState *)cbs_data;
> spice_printerr("channel type %u id %u", rcc->channel->type,
> rcc->channel->id);
> payload.rcc = rcc;
> dispatcher_send_message(&qxl_state->dispatcher,
> @@ -137,10 +136,10 @@ static void red_qxl_display_migrate(RedChannelClient
> *rcc)
> static void red_qxl_set_cursor_peer(RedChannel *channel, RedClient *client,
> RedsStream *stream,
> int migration, int num_common_caps,
> uint32_t *common_caps, int num_caps,
> - uint32_t *caps)
> + uint32_t *caps, gpointer cbs_data)
> {
> RedWorkerMessageCursorConnect payload = {0,};
> - QXLState *qxl_state = (QXLState *)channel->data;
> + QXLState *qxl_state = (QXLState *)cbs_data;
> spice_printerr("");
> payload.client = client;
> payload.stream = stream;
> @@ -158,7 +157,7 @@ static void red_qxl_set_cursor_peer(RedChannel *channel,
> RedClient *client, Reds
> &payload);
> }
>
> -static void red_qxl_disconnect_cursor_peer(RedChannelClient *rcc)
> +static void red_qxl_disconnect_cursor_peer(RedChannelClient *rcc, gpointer
> cbs_data)
> {
> RedWorkerMessageCursorDisconnect payload;
> QXLState *qxl_state;
> @@ -167,7 +166,7 @@ static void
> red_qxl_disconnect_cursor_peer(RedChannelClient *rcc)
> return;
> }
>
> - qxl_state = (QXLState *)rcc->channel->data;
> + qxl_state = (QXLState *)cbs_data;
> spice_printerr("");
> payload.rcc = rcc;
>
> @@ -176,7 +175,7 @@ static void
> red_qxl_disconnect_cursor_peer(RedChannelClient *rcc)
> &payload);
> }
>
> -static void red_qxl_cursor_migrate(RedChannelClient *rcc)
> +static void red_qxl_cursor_migrate(RedChannelClient *rcc, gpointer cbs_data)
> {
> RedWorkerMessageCursorMigrate payload;
> QXLState *qxl_state;
> @@ -184,7 +183,7 @@ static void red_qxl_cursor_migrate(RedChannelClient *rcc)
> if (!rcc->channel) {
> return;
> }
> - qxl_state = (QXLState *)rcc->channel->data;
> + qxl_state = (QXLState *)cbs_data;
> spice_printerr("channel type %u id %u", rcc->channel->type,
> rcc->channel->id);
> payload.rcc = rcc;
> dispatcher_send_message(&qxl_state->dispatcher,
> diff --git a/server/reds.c b/server/reds.c
> index b1e1139..5d0a66e 100644
> --- a/server/reds.c
> +++ b/server/reds.c
> @@ -1730,6 +1730,15 @@ static void openssl_init(RedLinkInfo *link)
> BN_set_word(link->tiTicketing.bn, f4);
> }
>
> +static void red_channel_connect_client(RedChannel *channel, RedClient
> *client, RedsStream *stream,
> + int migration, int num_common_caps,
> uint32_t *common_caps,
> + int num_caps, uint32_t *caps)
> +{
> + channel->client_cbs.connect(channel, client, stream, migration,
> + num_common_caps, common_caps, num_caps,
> caps,
> + channel->client_cbs.cbs_data);
> +}
> +
> static void reds_channel_do_link(RedChannel *channel, RedClient *client,
> SpiceLinkMess *link_msg,
> RedsStream *stream)
> @@ -1741,13 +1750,13 @@ static void reds_channel_do_link(RedChannel *channel,
> RedClient *client,
> spice_assert(stream);
>
> caps = (uint32_t *)((uint8_t *)link_msg + link_msg->caps_offset);
> - channel->client_cbs.connect(channel, client, stream,
> - red_client_during_migrate_at_target(client),
> - link_msg->num_common_caps,
> - link_msg->num_common_caps ? caps : NULL,
> - link_msg->num_channel_caps,
> - link_msg->num_channel_caps ?
> - caps + link_msg->num_common_caps : NULL);
> + red_channel_connect_client(channel, client, stream,
> + red_client_during_migrate_at_target(client),
> + link_msg->num_common_caps,
> + link_msg->num_common_caps ? caps : NULL,
> + link_msg->num_channel_caps,
> + link_msg->num_channel_caps ?
> + caps + link_msg->num_common_caps : NULL);
> }
>
> /*
> diff --git a/server/smartcard.c b/server/smartcard.c
> index 2b25bac..4d06784 100644
> --- a/server/smartcard.c
> +++ b/server/smartcard.c
> @@ -802,7 +802,7 @@ static void
> smartcard_channel_hold_pipe_item(RedChannelClient *rcc, PipeItem *it
> static void smartcard_connect_client(RedChannel *channel, RedClient *client,
> RedsStream *stream, int migration,
> int num_common_caps, uint32_t
> *common_caps,
> - int num_caps, uint32_t *caps)
> + int num_caps, uint32_t *caps, gpointer
> cbs_data)
> {
> SpiceCharDeviceInstance *char_device =
> smartcard_readers_get_unattached();
> diff --git a/server/sound.c b/server/sound.c
> index 82c14f7..672d23f 100644
> --- a/server/sound.c
> +++ b/server/sound.c
> @@ -987,13 +987,13 @@ error1:
> return NULL;
> }
>
> -static void snd_disconnect_channel_client(RedChannelClient *rcc)
> +static void snd_disconnect_channel_client(RedChannelClient *rcc, gpointer
> cbs_data)
> {
> SndWorker *worker;
>
> spice_assert(rcc->channel);
> - spice_assert(rcc->channel->data);
> - worker = (SndWorker *)rcc->channel->data;
> + spice_assert(cbs_data);
> + worker = (SndWorker *)cbs_data;
>
> spice_debug("channel-type=%d", rcc->channel->type);
> if (worker->connection) {
> @@ -1202,9 +1202,9 @@ static void snd_playback_cleanup(SndChannel *channel)
>
> static void snd_set_playback_peer(RedChannel *channel, RedClient *client,
> RedsStream *stream,
> int migration, int num_common_caps,
> uint32_t *common_caps,
> - int num_caps, uint32_t *caps)
> + int num_caps, uint32_t *caps, gpointer
> cbs_data)
> {
> - SndWorker *worker = channel->data;
> + SndWorker *worker = cbs_data;
> PlaybackChannel *playback_channel;
> SpicePlaybackState *st = SPICE_CONTAINEROF(worker, SpicePlaybackState,
> worker);
>
> @@ -1253,14 +1253,14 @@ static void snd_set_playback_peer(RedChannel
> *channel, RedClient *client, RedsSt
> snd_playback_send(worker->connection);
> }
>
> -static void snd_record_migrate_channel_client(RedChannelClient *rcc)
> +static void snd_record_migrate_channel_client(RedChannelClient *rcc,
> gpointer cbs_data)
> {
> SndWorker *worker;
>
> spice_debug(NULL);
> spice_assert(rcc->channel);
> - spice_assert(rcc->channel->data);
> - worker = (SndWorker *)rcc->channel->data;
> + spice_assert(cbs_data);
> + worker = (SndWorker *)cbs_data;
>
> if (worker->connection) {
> spice_assert(worker->connection->channel_client == rcc);
> @@ -1448,9 +1448,9 @@ static void snd_record_cleanup(SndChannel *channel)
>
> static void snd_set_record_peer(RedChannel *channel, RedClient *client,
> RedsStream *stream,
> int migration, int num_common_caps, uint32_t
> *common_caps,
> - int num_caps, uint32_t *caps)
> + int num_caps, uint32_t *caps, gpointer
> cbs_data)
> {
> - SndWorker *worker = channel->data;
> + SndWorker *worker = cbs_data;
> RecordChannel *record_channel;
> SpiceRecordState *st = SPICE_CONTAINEROF(worker, SpiceRecordState,
> worker);
>
> @@ -1482,13 +1482,13 @@ static void snd_set_record_peer(RedChannel *channel,
> RedClient *client, RedsStre
> snd_record_send(worker->connection);
> }
>
> -static void snd_playback_migrate_channel_client(RedChannelClient *rcc)
> +static void snd_playback_migrate_channel_client(RedChannelClient *rcc,
> gpointer cbs_data)
> {
> SndWorker *worker;
>
> spice_assert(rcc->channel);
> - spice_assert(rcc->channel->data);
> - worker = (SndWorker *)rcc->channel->data;
> + spice_assert(cbs_data);
> + worker = (SndWorker *)cbs_data;
> spice_debug(NULL);
>
> if (worker->connection) {
> diff --git a/server/spicevmc.c b/server/spicevmc.c
> index f745fdb..43c1eff 100644
> --- a/server/spicevmc.c
> +++ b/server/spicevmc.c
> @@ -453,7 +453,7 @@ static void
> spicevmc_red_channel_release_pipe_item(RedChannelClient *rcc,
>
> static void spicevmc_connect(RedChannel *channel, RedClient *client,
> RedsStream *stream, int migration, int num_common_caps,
> - uint32_t *common_caps, int num_caps, uint32_t *caps)
> + uint32_t *common_caps, int num_caps, uint32_t *caps, gpointer cbs_data)
> {
> RedChannelClient *rcc;
> SpiceVmcState *state;
Frediano
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