[Spice-devel] [PATCH 05/10] Change some asserts to warnings
Fabiano Fidêncio
fidencio at redhat.com
Tue Nov 3 05:01:20 PST 2015
On Tue, Nov 3, 2015 at 11:05 AM, Frediano Ziglio <fziglio at redhat.com> wrote:
>>
>> On Mon, Nov 2, 2015 at 10:56 AM, Frediano Ziglio <fziglio at redhat.com> wrote:
>> > From: Marc-André Lureau <marcandre.lureau at gmail.com>
>> >
>> > Various changes in RedWorker and CursorChannel related to error and
>> > warning messages.
>> >
>> > Signed-off-by: Jonathon Jongsma <jjongsma at redhat.com>
>> > ---
>> > server/cursor-channel.c | 28 ++++++++++++++++++++--------
>> > server/red_worker.c | 22 ++++++++++------------
>> > server/red_worker.h | 1 -
>> > 3 files changed, 30 insertions(+), 21 deletions(-)
>> >
>> > diff --git a/server/cursor-channel.c b/server/cursor-channel.c
>> > index d145f86..6a1fcea 100644
>> > --- a/server/cursor-channel.c
>> > +++ b/server/cursor-channel.c
>> > @@ -152,7 +152,8 @@ void cursor_channel_disconnect(CursorChannel
>> > *cursor_channel)
>> >
>> > static void put_cursor_pipe_item(CursorChannelClient *ccc, CursorPipeItem
>> > *pipe_item)
>> > {
>> > - spice_assert(pipe_item);
>> > + spice_return_if_fail(pipe_item);
>> > + spice_return_if_fail(pipe_item->refs > 0);
>> >
>> > if (--pipe_item->refs) {
>> > return;
>> > @@ -239,7 +240,7 @@ static void cursor_marshall(RedChannelClient *rcc,
>> > PipeItem *pipe_item = &cursor_pipe_item->base;
>> > RedCursorCmd *cmd;
>> >
>> > - spice_assert(cursor_channel);
>> > + spice_return_if_fail(cursor_channel);
>> >
>> > cmd = item->red_cursor;
>> > switch (cmd->type) {
>> > @@ -327,7 +328,9 @@ static void cursor_channel_send_item(RedChannelClient
>> > *rcc, PipeItem *pipe_item)
>> >
>> > static CursorPipeItem *cursor_pipe_item_ref(CursorPipeItem *item)
>> > {
>> > - spice_assert(item);
>> > + spice_return_val_if_fail(item, NULL);
>> > + spice_return_val_if_fail(item->refs > 0, NULL);
>> > +
>> > item->refs++;
>> > return item;
>> > }
>> > @@ -336,7 +339,9 @@ static CursorPipeItem
>> > *cursor_pipe_item_ref(CursorPipeItem *item)
>> > static void cursor_channel_hold_pipe_item(RedChannelClient *rcc, PipeItem
>> > *item)
>> > {
>> > CursorPipeItem *cursor_pipe_item;
>> > - spice_assert(item);
>> > +
>> > + spice_return_if_fail(item);
>> > +
>> > cursor_pipe_item = SPICE_CONTAINEROF(item, CursorPipeItem, base);
>> > cursor_pipe_item_ref(cursor_pipe_item);
>> > }
>> > @@ -383,6 +388,12 @@ CursorChannelClient*
>> > cursor_channel_client_new(CursorChannel *cursor, RedClient
>> > uint32_t *common_caps, int
>> > num_common_caps,
>> > uint32_t *caps, int
>> > num_caps)
>> > {
>> > + spice_return_val_if_fail(cursor, NULL);
>> > + spice_return_val_if_fail(client, NULL);
>> > + spice_return_val_if_fail(stream, NULL);
>> > + spice_return_val_if_fail(!num_common_caps || common_caps, NULL);
>> > + spice_return_val_if_fail(!num_caps || caps, NULL);
>> > +
>> > CursorChannelClient *ccc =
>> > (CursorChannelClient*)common_channel_new_client(&cursor->common,
>> > sizeof(CursorChannelClient),
>> > @@ -393,11 +404,11 @@ CursorChannelClient*
>> > cursor_channel_client_new(CursorChannel *cursor, RedClient
>> > num_common_caps,
>> > caps,
>> > num_caps);
>> > - if (!ccc) {
>> > - return NULL;
>> > - }
>> > + spice_return_val_if_fail(ccc != NULL, NULL);
>> > +
>> > ring_init(&ccc->cursor_cache_lru);
>> > ccc->cursor_cache_available = CLIENT_CURSOR_CACHE_SIZE;
>> > +
>> > return ccc;
>> > }
>> >
>> > @@ -431,7 +442,8 @@ void cursor_channel_process_cmd(CursorChannel *cursor,
>> > RedCursorCmd *cursor_cmd,
>> > cursor->cursor_trail_frequency = cursor_cmd->u.trail.frequency;
>> > break;
>> > default:
>> > - spice_error("invalid cursor command %u", cursor_cmd->type);
>> > + spice_warning("invalid cursor command %u", cursor_cmd->type);
>> > + return;
>> > }
>>
>> I would go for spice_warn_if_reached() here.
>>
>> >
>> > if (red_channel_is_connected(&cursor->common.base) &&
>> > diff --git a/server/red_worker.c b/server/red_worker.c
>> > index c3b5c36..339b353 100644
>> > --- a/server/red_worker.c
>> > +++ b/server/red_worker.c
>> > @@ -4169,7 +4169,7 @@ static int red_process_cursor(RedWorker *worker,
>> > uint32_t max_pipe_size, int *ri
>> > break;
>> > }
>> > default:
>> > - spice_error("bad command type");
>> > + spice_warning("bad command type");
>> > }
>>
>> Same here.
>>
>> > n++;
>> > }
>> > @@ -9769,19 +9769,15 @@ static void red_connect_cursor(RedWorker *worker,
>> > RedClient *client, RedsStream
>> > CursorChannel *channel;
>> > CursorChannelClient *ccc;
>> >
>> > - if (worker->cursor_channel == NULL) {
>> > - spice_warning("cursor channel was not created");
>> > - return;
>> > - }
>> > + spice_return_if_fail(worker->cursor_channel != NULL);
>> > +
>> > channel = worker->cursor_channel;
>> > spice_info("add cursor channel client");
>> > ccc = cursor_channel_client_new(channel, client, stream,
>> > migrate,
>> > common_caps, num_common_caps,
>> > caps, num_caps);
>> > - if (!ccc) {
>> > - return;
>> > - }
>> > + spice_return_if_fail(ccc != NULL);
>> > #ifdef RED_STATISTICS
>> > channel->stat = stat_add_node(worker->stat, "cursor_channel", TRUE);
>> > channel->common.base.out_bytes_counter =
>> > stat_add_counter(channel->stat, "out_bytes", TRUE);
>> > @@ -10485,10 +10481,12 @@ void handle_dev_cursor_channel_create(void
>> > *opaque, void *payload)
>> > RedWorker *worker = opaque;
>> > RedChannel *red_channel;
>> >
>> > - // TODO: handle seemless migration. Temp, setting migrate to FALSE
>> > if (!worker->cursor_channel) {
>> > worker->cursor_channel = cursor_channel_new(worker);
>> > + } else {
>> > + spice_warning("cursor channel already created");
>> > }
>> > +
>> > red_channel = &worker->cursor_channel->common.base;
>> > send_data(worker->channel, &red_channel, sizeof(RedChannel *));
>> > }
>> > @@ -10515,7 +10513,6 @@ void handle_dev_cursor_disconnect(void *opaque,
>> > void *payload)
>> > RedChannelClient *rcc = msg->rcc;
>> >
>> > spice_info("disconnect cursor client");
>> > - spice_assert(rcc);
>>
>> I would add a spice_return_if_fail() here or add a check for NULL
>> inside the red_channel_client_disconnect()
>>
>> > red_channel_client_disconnect(rcc);
>> > }
>> >
>> > @@ -10525,7 +10522,6 @@ void handle_dev_cursor_migrate(void *opaque, void
>> > *payload)
>> > RedChannelClient *rcc = msg->rcc;
>> >
>> > spice_info("migrate cursor client");
>> > - spice_assert(rcc);
>>
>> I would add a spice_return_if_fail() here or add a check for NULL
>> inside the red_channel_client_is_connected()
>>
>>
>> > if (!red_channel_client_is_connected(rcc))
>> > return;
>> >
>> > @@ -10607,8 +10603,10 @@ void handle_dev_set_mouse_mode(void *opaque, void
>> > *payload)
>> > RedWorkerMessageSetMouseMode *msg = payload;
>> > RedWorker *worker = opaque;
>> >
>> > + spice_info("mouse mode %u", msg->mode);
>> > + spice_return_if_fail(worker->cursor_channel);
>> > +
>> > worker->cursor_channel->mouse_mode = msg->mode;
>> > - spice_info("mouse mode %u", worker->cursor_channel->mouse_mode);
>> > }
>> >
>> > void handle_dev_add_memslot_async(void *opaque, void *payload)
>> > diff --git a/server/red_worker.h b/server/red_worker.h
>> > index aa97707..df52abd 100644
>> > --- a/server/red_worker.h
>> > +++ b/server/red_worker.h
>> > @@ -61,7 +61,6 @@ typedef struct VerbItem {
>> >
>> > static inline void red_marshall_verb(RedChannelClient *rcc, VerbItem
>> > *item)
>> > {
>> > - spice_assert(rcc);
>>
>> Just a note, removing this assert here is okay, as rcc is verified in
>> red_channel_client_no_item_being_sent(), inside
>> red_channel_client_init_send_data().
>>
>> > red_channel_client_init_send_data(rcc, item->verb, NULL);
>> > }
>> >
>> > --
>> > 2.4.3
>> >
>> > _______________________________________________
>> > Spice-devel mailing list
>> > Spice-devel at lists.freedesktop.org
>> > http://lists.freedesktop.org/mailman/listinfo/spice-devel
>>
>> ACK with these changes.
>>
>
> Can you post an updated patch?
I am going to do it.
And I changed my mind about the "spice_warn_if_reached()" changes that
I suggested because then you would lose the info provided by the
spice_warning().
Best Regards,
--
Fabiano Fidêncio
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