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2019-03-20MTP FFS updates:bigbiff bigbiff1-871/+0
This update splits old MTP code and new MTP code from Google into two trees, legacy and ffs. Depending on the SDK level, the build system will select the correct version. The reason for separating the versions out are due to older android trees not supporting the updated MTP code from Google. Most MTP code is from Google, with additions needed from implementing the Java functions in C++ for TWRP and FFS. We assume if you are in android-9.0 or above, your kernel has support for FFS over MTP. Verify that your init.rc is mounting the MTP FFS driver to the proper location. Change-Id: I4b107b239bd9bc5699527f9c8c77d9079f264a7e
2016-01-29Remove execute permissions from source filesthat1-0/+0
Change-Id: I5deef665ab374491c0f498b498971abd525d1111
2015-12-22mtp: Address clang compilation errorsMatt Mower1-2/+2
* Move default value of debug_enabled to declaration * Set more-correct fake values for MtpProperty sets Change-Id: Ife3c15ac6c908848c16a609e8e505336e53c19d8
2014-12-19MTP add/remove storage instead of disabling MTPEthan Yonker1-0/+7
Implement a pipe between TWRP and MTP to allow TWRP to tell MTP to remove storage partitions as they become unavailable (e.g. during a wipe, unmount, etc) instead of disabling MTP completely. This includes some fixes and improvements in destructors to properly remove / delete various items. This also means that we will not be toggling adb off and on quite as often. I do not like that we had to add another thread, but we were unable to use select() on the mtp_usb character device because this device does not support polling. Select always returned indicating that the mtp file descriptor was ready to be read and the resulting read would block. The read block prevented us from being able to include reading of the pipe between TWRP and MTP in the main MTP thread. We might want to add a return pipe letting TWRP know if the removal of the storage device was successful, but I am not sure how we want to implement this. It would invovle timeouts in both TWRP and MTP to ensure that we returned a failure indicator in a timely manner to TWRP and prevent deleting the storage device in the case of a failure. Right now we make no attempt to ensure that an MTP operation is underway like a large file transfer, but we were not doing anything like this in the past. In some respects we have limited control over what happens. If the user installs a zip that unmounts a storage partition, we will not know about the change in storage status anyway. Regular Android does not have these troubles because partitions rarely get unmounted like in recovery. At some point, we have to hold the user accountable for performing actions that may remove a storage partition while they are using MTP anyway. Ideally we do not want to toggle the USB IDs and thus toggle adb off and on during early boot, but I am not sure what the best way to handle that at this time. Change-Id: I9343e5396bf6023d3b994de1bf01ed91d129bc14
2014-10-08mtp: cleanup, fixes and performance improvementsthat1-64/+39
- use std::map instead of linked list - read directories on demand - fix writing zip files to storage root - fix creating directories - lots of minor fixes - simplify generation of storage IDs and make them spec compliant Change-Id: I2137c27549ddbdc58466f2e3aeda464fac70a3c5
2014-09-09MTP: fix some code pathsbigbiff bigbiff1-33/+33
Still doesn't fix the bug of copying zip files to the root of storage in Windows. Change-Id: Iddec66a49c17cf48cbd1c67ad6679349ece8e05c
2014-09-03Improve MtpStorage handling when more than one storage is presentEthan Yonker1-1/+6
Change-Id: I02f1984d02a85d9fd42450cc3772e88a43d9e9ff
2014-09-03add mtp responder to TWRP.bigbiff bigbiff1-0/+884
Big thanks to Dees_Troy for helping with the implementation. Change-Id: I6c9c522b9c9de5dc139e2ecb0141008182ba07f0