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#include "Ext2FileSystem.h"
#include "FileBackedDiskDevice.h"
#include "VirtualFileSystem.h"
#include "FileDescriptor.h"
#include "SyntheticFileSystem.h"
#include "ZeroDevice.h"
#include "NullDevice.h"
#include "FullDevice.h"
#include "RandomDevice.h"
#include <cstring>
#include <AK/FileSystemPath.h>
#include <AK/SimpleMalloc.h>
#include <AK/StdLib.h>
#include <AK/kmalloc.h>
#include <AK/ktime.h>
static RetainPtr<FS> makeFileSystem(const char* imagePath);
int main(int c, char** v)
{
const char* filename = "small.fs";
if (c >= 2)
filename = v[1];
VFS::initialize_globals();
VFS vfs;
auto zero = make<ZeroDevice>();
vfs.register_character_device(*zero);
auto null = make<NullDevice>();
vfs.register_character_device(*null);
auto full = make<FullDevice>();
vfs.register_character_device(*full);
auto random = make<RandomDevice>();
vfs.register_character_device(*random);
if (!vfs.mount_root(makeFileSystem(filename))) {
printf("Failed to mount root :(\n");
return 1;
}
#if 0
auto newFile = vfs.create("/empty");
printf("vfs.create: %p\n", newFile.ptr());
#endif
#if 1
auto newDir = vfs.mkdir("/mydir");
printf("vfs.mkdir: %p\n", newDir.ptr());
#endif
//return 0;
if (!strcmp(v[0], "./vcat")) {
int error;
auto descriptor = vfs.open(v[2], error);
if (!descriptor) {
printf("failed to open %s inside fs image\n", v[2]);
return 1;
}
auto contents = descriptor->read_entire_file();
FILE* fout = fopen(v[3], "w");
if (!fout) {
printf("failed to open %s for output\n", v[3]);
return 1;
}
fwrite(contents.pointer(), sizeof(char), contents.size(), fout);
fclose(fout);
return 0;
}
auto synthfs = SynthFS::create();
bool success = static_cast<FS&>(*synthfs).initialize();
printf("synth->initialize(): returned %u\n", success);
vfs.mount(std::move(synthfs), "/syn");
vfs.listDirectory(".", vfs.root()->inode);
printf("list /syn:\n");
vfs.listDirectory("/syn", vfs.root()->inode);
#if 0
auto descriptor = vfs.open("/home/andreas/../../home/./andreas/./file2");
printf("descriptor = %p\n", handle.ptr());
ASSERT(descriptor);
auto contents = descriptor->readEntireFile();
ASSERT(contents);
printf("contents: '%s'\n", contents->pointer());
#endif
String currentDirectory = "/";
auto cwd = vfs.root()->inode;
while (true) {
char cmdbuf[256];
printf("::>");
fflush(stdout);
fgets(cmdbuf, sizeof(cmdbuf), stdin);
if (cmdbuf[strlen(cmdbuf) - 1] == '\n')
cmdbuf[strlen(cmdbuf) - 1] = '\0';
String command = cmdbuf;
auto parts = command.split(' ');
if (parts.is_empty())
continue;
String cmd = parts[0];
if (cmd == "q")
break;
if (cmd == "pwd") {
printf("%s\n", currentDirectory.characters());
continue;
}
if (cmd == "ls") {
vfs.listDirectory(".", cwd);
continue;
}
if (cmd == "lr") {
vfs.listDirectoryRecursively(".", cwd);
continue;
}
if (cmd == "cd" && parts.size() > 1) {
char buf[4096];
sprintf(buf, "%s/%s", currentDirectory.characters(), parts[1].characters());
FileSystemPath new_path(buf);
if (new_path.string() == "/") {
cwd = vfs.root()->inode;
continue;
}
int error;
auto new_cwd = vfs.open(new_path.string(), error, 0, cwd);
if (new_cwd && new_cwd->is_directory()) {
currentDirectory = new_path.string();
cwd = new_cwd->metadata().inode;
} else {
printf("No such directory: %s\n", parts[1].characters());
}
continue;
}
if (cmd == "mt" && parts.size() > 1) {
char buf[1024];
sprintf(buf, "%s/%s", currentDirectory.characters(), parts[1].characters());
vfs.touch(buf);
continue;
}
if (cmd == "stat" && parts.size() > 1) {
char buf[1024];
sprintf(buf, "%s/%s", currentDirectory.characters(), parts[1].characters());
int error;
auto descriptor = vfs.open(buf, error);
if (!descriptor) {
printf("Can't open '%s' :(\n", buf);
continue;
}
Unix::stat st;
int rc = descriptor->stat(&st);
if (rc < 0) {
printf("stat failed: %d\n", rc);
continue;
}
printf("st_dev: %u\n", st.st_dev);
printf("st_ino: %u\n", st.st_ino);
printf("st_mode: %o\n", st.st_mode);
printf("st_nlink: %u\n", st.st_nlink);
printf("st_uid: %u\n", st.st_uid);
printf("st_gid: %u\n", st.st_gid);
printf("st_rdev: %u\n", st.st_rdev);
printf("st_size: %lld\n", st.st_size);
printf("st_blksize: %u\n", st.st_blksize);
printf("st_blocks: %u\n", st.st_blocks);
printf("st_atime: %u - %s", st.st_atime, ctime(&st.st_atime));
printf("st_mtime: %u - %s", st.st_mtime, ctime(&st.st_mtime));
printf("st_ctime: %u - %s", st.st_ctime, ctime(&st.st_ctime));
continue;
}
if (cmd == "cat" && parts.size() > 1) {
char pathbuf[1024];
sprintf(pathbuf, "%s/%s", currentDirectory.characters(), parts[1].characters());
int error;
auto descriptor = vfs.open(pathbuf, error);
if (!descriptor) {
printf("failed to open %s\n", pathbuf);
continue;
}
auto contents = descriptor->read_entire_file();
fwrite(contents.pointer(), sizeof(char), contents.size(), stdout);
continue;
}
if (cmd == "kat" && parts.size() > 1) {
char pathbuf[1024];
sprintf(pathbuf, "%s/%s", currentDirectory.characters(), parts[1].characters());
int error;
auto descriptor = vfs.open(pathbuf, error);
if (!descriptor) {
printf("failed to open %s\n", pathbuf);
continue;
}
ssize_t nread;
byte buffer[512];
for (;;) {
nread = descriptor->read(buffer, sizeof(buffer));
if (nread <= 0)
break;
fwrite(buffer, 1, nread, stdout);
}
if (nread < 0)
printf("ERROR: %d\n", nread);
continue;
}
if (cmd == "ma") {
SimpleMalloc::dump();
continue;
}
}
return 0;
}
RetainPtr<FS> makeFileSystem(const char* imagePath)
{
auto fsImage = FileBackedDiskDevice::create(imagePath, 512);
if (!fsImage->is_valid()) {
fprintf(stderr, "Failed to open fs image file '%s'\n", imagePath);
exit(1);
}
auto ext2 = Ext2FS::create(std::move(fsImage));
bool success = static_cast<FS&>(*ext2).initialize();
printf("ext2->initialize(): returned %u\n", success);
return ext2;
}
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