oxmc
f6176009b1
Stages TWRP's GUI engine and standalone tooling as PawletOS-owned modules instead of a bootable/recovery fork, per the plugin-architecture finding in NOTES-ota-recovery-ab.md: stock recovery_main.cpp already dlopen()s librecovery_ui_ext.so and dlsym()s make_device() from it at runtime, so the UI layer doesn't require touching stock bootable/recovery at all. Confirmed via source grep that recovery.cpp/install.cpp have zero references into the partition manager/backup engine/GUI code and vice versa. recovery_ui/: TWRP's gui/, minuitwrp/, libpixelflinger/ (copied verbatim, GPL-3.0), plus a new device/ providing PawletTwrpUI (a ScreenRecoveryUI subclass) and make_device() — written from scratch against stock's RecoveryUI/ScreenRecoveryUI virtual-method contract, since TWRP's own fork never ships a make_device() (every real TWRP device provides its own, and no reference device tree was available to copy from). Top-level Android.bp defines librecovery_ui_pawlet_twrp, the module TARGET_RECOVERY_UI_LIB should point at. gui/Android.bp and minuitwrp/Android.bp had their include_dirs rewritten for the new paths. recovery_toolkit/: partition manager, backup engine (tar/digest/adbbu/apex), filesystem/format support (exfat/dosfstools/gpt/fuse/mtp/crypto), scripting (openrecoveryscript/orscmd/twrpinstall), shared helpers. Source only, no Android.bp yet for any of it. Known gap blocking recovery_ui from actually linking: gui/'s libguitwrp depends on libaosprecovery, built from recovery_toolkit/helpers/twrp.cpp via a Go Soong plugin (libaosprecovery_defaults.go) not yet ported. Neither repo has been build-tested — no local AOSP build environment available in this workspace. See each directory's README.md for a precise done/not-done breakdown.
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "MtpRequestPacket"
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#include <stdio.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include "IMtpHandle.h"
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#include "MtpDebug.h"
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#include "MtpRequestPacket.h"
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#include <usbhost/usbhost.h>
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MtpRequestPacket::MtpRequestPacket()
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: MtpPacket(512),
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mParameterCount(0)
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{
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}
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MtpRequestPacket::~MtpRequestPacket() {
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}
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#ifdef MTP_DEVICE
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int MtpRequestPacket::read(IMtpHandle *h) {
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int ret = h->read(mBuffer, mBufferSize);
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if (ret < 0) {
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// file read error
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return ret;
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}
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// request packet should have 12 byte header followed by 0 to 5 32-bit arguments
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const size_t read_size = static_cast<size_t>(ret);
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if (read_size >= MTP_CONTAINER_HEADER_SIZE
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&& read_size <= MTP_CONTAINER_HEADER_SIZE + 5 * sizeof(uint32_t)
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&& ((read_size - MTP_CONTAINER_HEADER_SIZE) & 3) == 0) {
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mPacketSize = read_size;
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mParameterCount = (read_size - MTP_CONTAINER_HEADER_SIZE) / sizeof(uint32_t);
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} else {
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MTPE("Malformed MTP request packet");
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ret = -1;
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}
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return ret;
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}
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#endif
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#ifdef MTP_HOST
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// write our buffer to the given endpoint (host mode)
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int MtpRequestPacket::write(struct usb_request *request)
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{
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putUInt32(MTP_CONTAINER_LENGTH_OFFSET, mPacketSize);
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putUInt16(MTP_CONTAINER_TYPE_OFFSET, MTP_CONTAINER_TYPE_COMMAND);
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request->buffer = mBuffer;
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request->buffer_length = mPacketSize;
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return transfer(request);
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}
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#endif
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