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7 Commits

Author SHA1 Message Date
Daichi Hirono cb9153bf43 Support SOCK_STREAM for bridge between system and app 
Previously AppFuse use SOCK_SEQPACKET for sockets communicating system
and app. However SOCK_SEQPACKET requires the buffer of message size in
the kernel and sometimes failed to write with ENOBUF.

The CL updates libappfuse so that it can use SOCK_STREAM instead of
SOCK_SEQPACKET.

Bug: 33279206
Test: libappfuse_test
Change-Id: I622ada9ac1d71d0c57b6cfff0904c7829cea7995
 2016-12-12 14:53:03 +09:00
Daichi Hirono a6373ec1d4 Fix checks for reading and writing FuseMessage. 
Previously FuseMessage were checking result of read/write operation
after checking header.len value is valid. This was wrong because
header.len does not contain correct value when read function does not
read any bytes and returns zero.

Bug: 33278098
Test: libappfuse_test
Change-Id: Icf998ca6c3eeee20cbc4aa2f65195a87e59ffc27
 2016-12-12 14:34:29 +09:00
Treehugger Robot c884f80755 Merge "Use FUSE_COMPAT_22_INIT_OUT_SIZE always if available." 2016-11-16 03:57:46 +00:00
Daichi Hirono 471ad6a59d Use FUSE_COMPAT_22_INIT_OUT_SIZE always if available. 
We return the minor version number 15 to FUSE_INIT since we don't handle
BATCH_FORGET. Thus the kernel does not accept the latest size of
fuse_init_out. Instead we need to use FUSE_COMPAT_22_INIT_OUT_SIZE.

Bug: 32779923
Test: libappfuse_test

Change-Id: I5c979d0e45344ca8adfe3ad3f4a9561442abcb3a
 2016-11-16 01:56:00 +00:00
Daichi Hirono 0d97be4d7d Add static assert to check if FuseBuffer is standard layout union. 
Bug: 32260320
Test: libappfuse_test
Change-Id: I6430c11fdeb2405996410c97044b4260c25209b8
 2016-11-15 10:18:37 +09:00
Daichi Hirono a0aecda12b Add FuseAppLoop to libappfuse. 
The class is used at the app side (StorageManager) to parse FUSE
commands.

Bug: 32260320
Test: libappfuse_test
Change-Id: I1ae2904d3290a041f1efbf8fc10ba032eda5449c
 2016-11-15 09:47:31 +09:00
Daichi Hirono c613476297 Add FuseBridgeLoop to libappfuse. 
The CL adds FuseBridgeLoop class to libappfuse, which is used in the
system service to proxy fuse commands to applications.

Bug: 29970149
Test: libappfuse_test
Change-Id: I0708f608b3868721ab16ba4028fd2c17a6735af7
 2016-10-27 15:04:15 +09:00