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https://github.com/EnderIce2/Fennix.git
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EnderIce2
557c7e6235
This is the fourth time re-writing the VFS, hope this will be the last. Tried to make it as modular as possible so this won't be necessary in the future. 🙏
This change required the entire kernel code to be modified.
95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <fs/vfs.hpp>
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#include "../kernel.h"
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#ifdef DEBUG
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void TestReadDirectory(Node &Target)
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{
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const size_t bufLen = 4096;
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std::unique_ptr<uint8_t[]> buf(new uint8_t[bufLen]);
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off_t off = 0;
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off_t max = LONG_MAX;
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KPrint("Listing directory: \x1b[1;36m%s\x1b[0m", Target->Name.c_str());
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while (true)
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{
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ssize_t bytes = fs->ReadDirectory(Target, (kdirent *)buf.get(), bufLen, off, max);
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if (bytes < 0)
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{
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KPrint("ReadDirectory returned error: %d", bytes);
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break;
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}
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if (bytes == 0)
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break;
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ssize_t Pos = 0;
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while (Pos < bytes)
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{
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kdirent *Entry = (kdirent *)(buf.get() + Pos);
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if (Entry->d_reclen == 0)
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{
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KPrint("Entry with zero length detected at offset %ld!", off + Pos);
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break;
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}
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KPrint("name=\"%s\" inode=%lu type=%u reclen=%u", Entry->d_name, Entry->d_ino, Entry->d_type, Entry->d_reclen);
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Pos += Entry->d_reclen;
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}
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off += bytes;
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}
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}
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void readdir_sanity_tests()
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{
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Node root = fs->GetRoot(0);
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Node t0 = fs->Lookup(root, "/");
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Node t1 = fs->Lookup(root, "/dev");
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Node t2 = fs->Lookup(root, "/home");
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Node t3 = fs->Lookup(root, "/var");
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Node t4 = fs->Lookup(root, "/tmp");
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KPrint("TEST /");
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TestReadDirectory(t0);
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TaskManager->Sleep(2000);
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KPrint("TEST /dev");
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TestReadDirectory(t1);
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TaskManager->Sleep(2000);
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KPrint("TEST /home");
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TestReadDirectory(t2);
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TaskManager->Sleep(2000);
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KPrint("TEST /var");
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TestReadDirectory(t3);
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TaskManager->Sleep(2000);
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KPrint("TEST /tmp");
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TestReadDirectory(t4);
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TaskManager->Sleep(2000);
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CPU::Stop();
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}
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#endif // DEBUG
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