maride/guacamole-spice-protocol
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Lock output with mutex (otherwise, instructions collide and break the stream).

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This commit is contained in:
Michael Jumper 2012-10-31 01:05:43 -07:00
parent cf16398927
commit 9207d7c89e
9 changed files with 78 additions and 3 deletions
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1
protocols/rdp/configure.in
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@ -51,6 +51,7 @@ AC_CHECK_LIB([freerdp-core], [freerdp_new],, AC_MSG_ERROR("libfreerdp-core is re
AC_CHECK_LIB([freerdp-channels], [freerdp_channels_new],, AC_MSG_ERROR("libfreerdp-channels is required (part of FreeRDP)"))
AC_CHECK_LIB([freerdp-utils], [xzalloc],, AC_MSG_ERROR("libfreerdp-utils is required (part of FreeRDP)"))
AC_CHECK_LIB([freerdp-codec], [freerdp_image_convert],, AC_MSG_ERROR("libfreerdp-codec is required (part of FreeRDP)"))
AC_CHECK_LIB([pthread], [pthread_mutex_init],, AC_MSG_ERROR("libpthread is required"))
AC_CHECK_LIB([vorbisenc], [vorbis_encode_init],, AC_MSG_ERROR("libvorbisenc is required for sound"))

7
protocols/rdp/include/client.h
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@ -144,6 +144,13 @@ typedef struct rdp_guac_client_data {
*/
audio_stream* audio;
/**
* Lock which is locked and unlocked for each update.
*/
pthread_mutex_t update_lock;
pthread_mutexattr_t attributes;
} rdp_guac_client_data;
/**

8
protocols/rdp/src/audio.c
View File

@ -37,11 +37,13 @@
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <guacamole/protocol.h>
#include <guacamole/client.h>
#include <guacamole/stream.h>
#include "audio.h"
#include "client.h"
audio_stream* audio_stream_alloc(guac_client* client, audio_encoder* encoder) {
@ -86,6 +88,8 @@ void audio_stream_end(audio_stream* audio) {
int duration;
rdp_guac_client_data* data = (rdp_guac_client_data*) audio->client->data;
/* Flush stream and finish encoding */
audio_stream_flush(audio);
audio->encoder->end_handler(audio);
@ -95,11 +99,15 @@ void audio_stream_end(audio_stream* audio) {
audio->pcm_bytes_written * 1000 * 8 / audio->rate
/ audio->channels / audio->bps;
pthread_mutex_lock(&(data->update_lock));
/* Send audio */
guac_protocol_send_audio(audio->stream->socket,
0, "audio/ogg" /* FIXME: Hard-coded mimetype */,
duration, audio->encoded_data, audio->encoded_data_used);
pthread_mutex_unlock(&(data->update_lock));
/* Clear data */
audio->encoded_data_used = 0;

10
protocols/rdp/src/client.c
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@ -38,8 +38,11 @@
*
* ***** END LICENSE BLOCK ***** */
#define _XOPEN_SOURCE 500
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <sys/select.h>
#include <errno.h>
@ -457,6 +460,13 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
guac_client_data->clipboard = NULL;
guac_client_data->audio = NULL;
/* Init update lock */
pthread_mutexattr_init(&(guac_client_data->attributes));
pthread_mutexattr_settype(&(guac_client_data->attributes),
PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&(guac_client_data->update_lock),
&(guac_client_data->attributes));
/* Clear keysym state mapping and keymap */
memset(guac_client_data->keysym_state, 0,
sizeof(guac_rdp_keysym_state_map));

6
protocols/rdp/src/guac_handlers.c
View File

@ -39,6 +39,7 @@
*
* ***** END LICENSE BLOCK ***** */
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
@ -201,8 +202,11 @@ int rdp_guac_client_handle_messages(guac_client* client) {
}
/* Flush any audio */
if (guac_client_data->audio != NULL)
if (guac_client_data->audio != NULL) {
pthread_mutex_lock(&(guac_client_data->update_lock));
guac_socket_flush(guac_client_data->audio->stream->socket);
pthread_mutex_unlock(&(guac_client_data->update_lock));
}
/* Success */
return 0;

9
protocols/rdp/src/rdp_bitmap.c
View File

@ -38,6 +38,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <cairo/cairo.h>
@ -64,6 +65,9 @@ void guac_rdp_cache_bitmap(rdpContext* context, rdpBitmap* bitmap) {
/* Cache image data if present */
if (bitmap->data != NULL) {
rdp_guac_client_data* data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(data->update_lock));
/* Create surface from image data */
cairo_surface_t* surface = cairo_image_surface_create_for_data(
bitmap->data, CAIRO_FORMAT_RGB24,
@ -76,6 +80,7 @@ void guac_rdp_cache_bitmap(rdpContext* context, rdpBitmap* bitmap) {
/* Free surface */
cairo_surface_destroy(surface);
pthread_mutex_unlock(&(data->update_lock));
}
/* Store buffer reference in bitmap */
@ -120,6 +125,9 @@ void guac_rdp_bitmap_paint(rdpContext* context, rdpBitmap* bitmap) {
int width = bitmap->right - bitmap->left + 1;
int height = bitmap->bottom - bitmap->top + 1;
rdp_guac_client_data* data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(data->update_lock));
/* If not cached, cache if necessary */
if (((guac_rdp_bitmap*) bitmap)->layer == NULL
&& ((guac_rdp_bitmap*) bitmap)->used >= 1)
@ -154,6 +162,7 @@ void guac_rdp_bitmap_paint(rdpContext* context, rdpBitmap* bitmap) {
/* Increment usage counter */
((guac_rdp_bitmap*) bitmap)->used++;
pthread_mutex_unlock(&(data->update_lock));
}
void guac_rdp_bitmap_free(rdpContext* context, rdpBitmap* bitmap) {

26
protocols/rdp/src/rdp_gdi.c
View File

@ -36,6 +36,7 @@
*
* ***** END LICENSE BLOCK ***** */
#include <pthread.h>
#include <freerdp/freerdp.h>
#include <guacamole/client.h>
@ -106,6 +107,9 @@ void guac_rdp_gdi_dstblt(rdpContext* context, DSTBLT_ORDER* dstblt) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
rdp_guac_client_data* data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(data->update_lock));
switch (dstblt->bRop) {
/* Blackness */
@ -129,7 +133,7 @@ void guac_rdp_gdi_dstblt(rdpContext* context, DSTBLT_ORDER* dstblt) {
}
pthread_mutex_unlock(&(data->update_lock));
}
@ -142,6 +146,9 @@ void guac_rdp_gdi_scrblt(rdpContext* context, SCRBLT_ORDER* scrblt) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
rdp_guac_client_data* data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(data->update_lock));
/* Copy screen rect to current surface */
guac_protocol_send_copy(client->socket,
@ -150,6 +157,8 @@ void guac_rdp_gdi_scrblt(rdpContext* context, SCRBLT_ORDER* scrblt) {
GUAC_COMP_OVER, current_layer,
scrblt->nLeftRect, scrblt->nTopRect);
pthread_mutex_unlock(&(data->update_lock));
}
void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
@ -159,6 +168,9 @@ void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
guac_socket* socket = client->socket;
guac_rdp_bitmap* bitmap = (guac_rdp_bitmap*) memblt->bitmap;
rdp_guac_client_data* data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(data->update_lock));
switch (memblt->bRop) {
/* If blackness, send black rectangle */
@ -250,6 +262,8 @@ void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
}
pthread_mutex_unlock(&(data->update_lock));
}
void guac_rdp_gdi_opaquerect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect) {
@ -261,6 +275,9 @@ void guac_rdp_gdi_opaquerect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
rdp_guac_client_data* data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(data->update_lock));
guac_protocol_send_rect(client->socket, current_layer,
opaque_rect->nLeftRect, opaque_rect->nTopRect,
opaque_rect->nWidth, opaque_rect->nHeight);
@ -272,6 +289,8 @@ void guac_rdp_gdi_opaquerect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect
(color ) & 0xFF,
255);
pthread_mutex_unlock(&(data->update_lock));
}
void guac_rdp_gdi_palette_update(rdpContext* context, PALETTE_UPDATE* palette) {
@ -287,6 +306,9 @@ void guac_rdp_gdi_set_bounds(rdpContext* context, rdpBounds* bounds) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
rdp_guac_client_data* data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(data->update_lock));
/* Reset clip */
guac_protocol_send_reset(client->socket, current_layer);
@ -300,6 +322,8 @@ void guac_rdp_gdi_set_bounds(rdpContext* context, rdpBounds* bounds) {
guac_protocol_send_clip(client->socket, current_layer);
}
pthread_mutex_unlock(&(data->update_lock));
}
void guac_rdp_gdi_end_paint(rdpContext* context) {

4
protocols/rdp/src/rdp_glyph.c
View File

@ -36,6 +36,7 @@
*
* ***** END LICENSE BLOCK ***** */
#include <pthread.h>
#include <freerdp/freerdp.h>
#include <guacamole/client.h>
@ -203,6 +204,8 @@ void guac_rdp_glyph_enddraw(rdpContext* context,
rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
pthread_mutex_lock(&(guac_client_data->update_lock));
/* Use glyph surface to provide image data for glyph rectangle */
cairo_surface_t* glyph_surface = guac_client_data->glyph_surface;
int stride = cairo_image_surface_get_stride(glyph_surface);
@ -235,5 +238,6 @@ void guac_rdp_glyph_enddraw(rdpContext* context,
/* Destroy cairo instance */
cairo_destroy(guac_client_data->glyph_cairo);
pthread_mutex_unlock(&(guac_client_data->update_lock));
}

10
protocols/rdp/src/rdp_pointer.c
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@ -36,7 +36,7 @@
*
* ***** END LICENSE BLOCK ***** */
#include <pthread.h>
#include <freerdp/freerdp.h>
#include <guacamole/client.h>
@ -59,6 +59,9 @@ void guac_rdp_pointer_new(rdpContext* context, rdpPointer* pointer) {
cairo_surface_t* surface;
rdp_guac_client_data* client_data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(client_data->update_lock));
/* Convert to alpha cursor if mask data present */
if (pointer->andMaskData && pointer->xorMaskData)
freerdp_alpha_cursor_convert(data,
@ -81,6 +84,7 @@ void guac_rdp_pointer_new(rdpContext* context, rdpPointer* pointer) {
/* Remember buffer */
((guac_rdp_pointer*) pointer)->layer = buffer;
pthread_mutex_unlock(&(client_data->update_lock));
}
void guac_rdp_pointer_set(rdpContext* context, rdpPointer* pointer) {
@ -88,11 +92,15 @@ void guac_rdp_pointer_set(rdpContext* context, rdpPointer* pointer) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
guac_socket* socket = client->socket;
rdp_guac_client_data* data = (rdp_guac_client_data*) client->data;
pthread_mutex_lock(&(data->update_lock));
/* Set cursor */
guac_protocol_send_cursor(socket, pointer->xPos, pointer->yPos,
((guac_rdp_pointer*) pointer)->layer,
0, 0, pointer->width, pointer->height);
pthread_mutex_unlock(&(data->update_lock));
}
void guac_rdp_pointer_free(rdpContext* context, rdpPointer* pointer) {