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dcc: write and use a new encoder_data_reset function to clean buffers

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Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Christophe Fergeau <cfergeau@redhat.com>
This commit is contained in:
Frediano Ziglio 2015-12-22 19:45:22 +00:00
parent bd8c74d7a4
commit d25d6ca0f2
3 changed files with 19 additions and 31 deletions
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11
server/dcc-encoders.c
View File

@ -150,6 +150,17 @@ void compress_buf_free(RedCompressBuf *buf)
g_slice_free(RedCompressBuf, buf);
}
void encoder_data_reset(EncoderData *data)
{
RedCompressBuf *buf = data->bufs_head;
while (buf) {
RedCompressBuf *next = buf->send_next;
compress_buf_free(buf);
buf = next;
}
data->bufs_head = data->bufs_tail = NULL;
}
/* Allocate more space for compressed buffer.
* The pointer returned in io_ptr is garanteed to be aligned to 4 bytes.
*/

2
server/dcc-encoders.h
View File

@ -103,6 +103,8 @@ typedef struct {
char message_buf[512];
} EncoderData;
void encoder_data_reset(EncoderData *data);
typedef struct {
QuicUsrContext usr;
EncoderData data;

37
server/dcc.c
View File

@ -702,19 +702,10 @@ int dcc_compress_image_glz(DisplayChannelClient *dcc,
// the compressed buffer is bigger than the original data
if (zlib_size >= glz_size) {
while (zlib_data->data.bufs_head) {
RedCompressBuf *buf = zlib_data->data.bufs_head;
zlib_data->data.bufs_head = buf->send_next;
compress_buf_free(buf);
}
encoder_data_reset(&zlib_data->data);
goto glz;
} else {
while (glz_data->data.bufs_head) {
RedCompressBuf *buf = glz_data->data.bufs_head;
glz_data->data.bufs_head = buf->send_next;
compress_buf_free(buf);
}
glz_data->data.bufs_tail = NULL;
encoder_data_reset(&glz_data->data);
}
dest->descriptor.type = SPICE_IMAGE_TYPE_ZLIB_GLZ_RGB;
@ -753,11 +744,7 @@ int dcc_compress_image_lz(DisplayChannelClient *dcc,
lz_data->data.dcc = dcc;
if (setjmp(lz_data->data.jmp_env)) {
while (lz_data->data.bufs_head) {
RedCompressBuf *buf = lz_data->data.bufs_head;
lz_data->data.bufs_head = buf->send_next;
compress_buf_free(buf);
}
encoder_data_reset(&lz_data->data);
return FALSE;
}
@ -846,11 +833,7 @@ int dcc_compress_image_jpeg(DisplayChannelClient *dcc, SpiceImage *dest,
jpeg_data->data.dcc = dcc;
if (setjmp(jpeg_data->data.jmp_env)) {
while (jpeg_data->data.bufs_head) {
RedCompressBuf *buf = jpeg_data->data.bufs_head;
jpeg_data->data.bufs_head = buf->send_next;
compress_buf_free(buf);
}
encoder_data_reset(&jpeg_data->data);
return FALSE;
}
@ -957,11 +940,7 @@ int dcc_compress_image_lz4(DisplayChannelClient *dcc, SpiceImage *dest,
lz4_data->data.dcc = dcc;
if (setjmp(lz4_data->data.jmp_env)) {
while (lz4_data->data.bufs_head) {
RedCompressBuf *buf = lz4_data->data.bufs_head;
lz4_data->data.bufs_head = buf->send_next;
compress_buf_free(buf);
}
encoder_data_reset(&lz4_data->data);
return FALSE;
}
@ -1028,11 +1007,7 @@ int dcc_compress_image_quic(DisplayChannelClient *dcc, SpiceImage *dest,
quic_data->data.dcc = dcc;
if (setjmp(quic_data->data.jmp_env)) {
while (quic_data->data.bufs_head) {
RedCompressBuf *buf = quic_data->data.bufs_head;
quic_data->data.bufs_head = buf->send_next;
compress_buf_free(buf);
}
encoder_data_reset(&quic_data->data);
return FALSE;
}