paint error with pixmap backing and mmap

[totaam]

Issue migrated from trac ticket # 857

component: client | priority: blocker | resolution: fixed

2015-05-12 08:29:12: antoine created the issue

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process_draw 1 bytes for window 1 using mmap encoding with options={'rgb_format': 'RGB'}
draw_region(0, 0, 499, 316, mmap, 1 bytes, 1497, {'rgb_format': 'RGB'}, [<function record_decode_time at 0x7facbd53dcf8>, <function after_draw_refresh at 0x7facb4ad2b18>])
do_paint_rgb24 error
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xpra/client/window_backing_base.py", line 274, in do_paint_rgb24
    success = (self._backing is not None) and self._do_paint_rgb24(img_data, x, y, width, height, rowstride, options)
  File "/usr/lib64/python2.7/site-packages/xpra/client/gtk2/pixmap_backing.py", line 78, in _do_paint_rgb24
    self._backing.draw_rgb_image(gc, x, y, width, height, gdk.RGB_DITHER_NONE, img_data, rowstride)
IndexError: rgb_buf is not large enough

Probably another case of #90 causing problems elsewhere.

[totaam]

2015-05-12 08:30:48: antoine changed status from new to assigned

[totaam]

2015-05-12 08:30:48: antoine edited the issue description

[totaam]

2015-05-12 08:30:48: antoine changed title from paint error with pixmap backing to paint error with pixmap backing and mmap

[totaam]

2015-05-12 09:02:43: antoine changed status from assigned to closed

[totaam]

2015-05-12 09:02:43: antoine set resolution to fixed

[totaam]

2015-05-12 09:02:43: antoine commented

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That was caused by the following call:

memoryview_to_bytes(<class 'xpra.net.mmap_pipe.c_char_Array_473052'>)

Which got converted to a string... r9311 fixes that. (backport to v0.15.x in 9312).