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ui: add more trace points for VNC client/server messages 

This adds trace points for desktop size and audio related messages.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210311182957.486939-2-berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2021-03-11 18:29:54 +00:00 committed by Gerd Hoffmann
parent 40c0193739
commit adc8fce871
2 changed files with 28 additions and 2 deletions
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9
ui/trace-events
View File

@ -37,6 +37,15 @@ vnc_key_event_ext(bool down, int sym, int keycode, const char *name) "down %d, s
vnc_key_event_map(bool down, int sym, int keycode, const char *name) "down %d, sym 0x%x -> keycode 0x%x [%s]"
vnc_key_sync_numlock(bool on) "%d"
vnc_key_sync_capslock(bool on) "%d"
vnc_msg_server_audio_begin(void *state, void *ioc) "VNC server msg audio begin state=%p ioc=%p"
vnc_msg_server_audio_end(void *state, void *ioc) "VNC server msg audio end state=%p ioc=%p"
vnc_msg_server_audio_data(void *state, void *ioc, const void *buf, size_t len) "VNC server msg audio data state=%p ioc=%p buf=%p len=%zd"
vnc_msg_server_desktop_resize(void *state, void *ioc, int width, int height) "VNC server msg ext resize state=%p ioc=%p size=%dx%d"
vnc_msg_server_ext_desktop_resize(void *state, void *ioc, int width, int height, int reason) "VNC server msg ext resize state=%p ioc=%p size=%dx%d reason=%d"
vnc_msg_client_audio_enable(void *state, void *ioc) "VNC client msg audio enable state=%p ioc=%p"
vnc_msg_client_audio_disable(void *state, void *ioc) "VNC client msg audio disable state=%p ioc=%p"
vnc_msg_client_audio_format(void *state, void *ioc, int fmt, int channels, int freq) "VNC client msg audio format state=%p ioc=%p fmt=%d channels=%d freq=%d"
vnc_msg_client_set_desktop_size(void *state, void *ioc, int width, int height, int screens) "VNC client msg set desktop size state=%p ioc=%p size=%dx%d screens=%d"
vnc_client_eof(void *state, void *ioc) "VNC client EOF state=%p ioc=%p"
vnc_client_io_error(void *state, void *ioc, const char *msg) "VNC client I/O error state=%p ioc=%p errmsg=%s"
vnc_client_connect(void *state, void *ioc) "VNC client connect state=%p ioc=%p"

21
ui/vnc.c
View File

@ -659,6 +659,9 @@ void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h,
static void vnc_desktop_resize_ext(VncState *vs, int reject_reason)
{
trace_vnc_msg_server_ext_desktop_resize(
vs, vs->ioc, vs->client_width, vs->client_height, reject_reason);
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
@ -705,6 +708,9 @@ static void vnc_desktop_resize(VncState *vs)
return;
}
trace_vnc_msg_server_desktop_resize(
vs, vs->ioc, vs->client_width, vs->client_height);
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
@ -1182,6 +1188,7 @@ static void audio_capture_notify(void *opaque, audcnotification_e cmd)
assert(vs->magic == VNC_MAGIC);
switch (cmd) {
case AUD_CNOTIFY_DISABLE:
trace_vnc_msg_server_audio_end(vs, vs->ioc);
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
@ -1191,6 +1198,7 @@ static void audio_capture_notify(void *opaque, audcnotification_e cmd)
break;
case AUD_CNOTIFY_ENABLE:
trace_vnc_msg_server_audio_begin(vs, vs->ioc);
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
@ -1210,6 +1218,7 @@ static void audio_capture(void *opaque, const void *buf, int size)
VncState *vs = opaque;
assert(vs->magic == VNC_MAGIC);
trace_vnc_msg_server_audio_data(vs, vs->ioc, buf, size);
vnc_lock_output(vs);
if (vs->output.offset < vs->throttle_output_offset) {
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
@ -2454,9 +2463,11 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
switch (read_u16 (data, 2)) {
case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE:
trace_vnc_msg_client_audio_enable(vs, vs->ioc);
audio_add(vs);
break;
case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE:
trace_vnc_msg_client_audio_disable(vs, vs->ioc);
audio_del(vs);
break;
case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT:
@ -2492,6 +2503,8 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
break;
}
vs->as.freq = freq;
trace_vnc_msg_client_audio_format(
vs, vs->ioc, vs->as.fmt, vs->as.nchannels, vs->as.freq);
break;
default:
VNC_DEBUG("Invalid audio message %d\n", read_u8(data, 4));
@ -2510,6 +2523,7 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
{
size_t size;
uint8_t screens;
int w, h;
if (len < 8) {
return 8;
@ -2520,12 +2534,15 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
if (len < size) {
return size;
}
w = read_u16(data, 2);
h = read_u16(data, 4);
trace_vnc_msg_client_set_desktop_size(vs, vs->ioc, w, h, screens);
if (dpy_ui_info_supported(vs->vd->dcl.con)) {
QemuUIInfo info;
memset(&info, 0, sizeof(info));
info.width = read_u16(data, 2);
info.height = read_u16(data, 4);
info.width = w;
info.height = h;
dpy_set_ui_info(vs->vd->dcl.con, &info);
vnc_desktop_resize_ext(vs, 4 /* Request forwarded */);
} else {