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FuseFile.cpp
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FuseFile.cpp
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#include "FuseFile.h"
#include "FuseFS.h"
#include <cstring>
namespace simplyfuse {
FuseFile::~FuseFile() {
if (fuseFS) {
fuseFS->unregisterFile(*this);
}
}
int FuseFile::onOpen() { return 0; }
int FuseFile::onClose() { return 0; }
int FuseFile::onRead(char*, std::size_t, off_t) { return -ENOENT; }
int FuseFile::onWrite(const char*, std::size_t, off_t) { return -ENOENT; }
std::size_t FuseFile::getSize() { return 4096; }
int FuseFile::onTruncate(off_t) { return -ENOENT; }
int FuseFile::getFilePermissions() {
return 0666;
}
int SimpleROFile::onRead(char* buf, std::size_t size, off_t) {
if (readCB) {
content = readCB();
}
size = std::min(size, content.size()+1);
std::memcpy(buf, content.data(), size);
return size;
}
int SimpleROFile::getFilePermissions() {
return 0444;
}
void SimpleROFile::setContent(std::string const& _content) {
auto lock = this->lock();
content = _content;
}
std::string const& SimpleROFile::getContent() const {
return content;
}
int SimpleWOFile::onTruncate(off_t) {
return 0;
}
int SimpleWOFile::getFilePermissions() {
return 0222;
}
int SimpleRWFile::onWrite(const char* buf, std::size_t size, off_t offset) {
content.resize(content.size() + offset + size);
std::memcpy(content.data() + offset, buf, size);
return size;
}
int SimpleRWFile::onTruncate(off_t offset) {
content.resize(offset);
return 0;
}
int SimpleRWFile::getFilePermissions() {
return 0666;
}
}