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#include <string.h>
#include "fuse.h"
NetFS::OpenFile::OpenFile(Ice::Int rid, const std::string & p, int f) :
remoteID(rid),
path(p),
flags(f)
{
}
int
NetFS::getNextFileID()
{
LOCK;
while (openFiles.find(++openFileID) != openFiles.end()) ;
return openFileID;
}
Ice::Int
NetFS::getRemoteIDforFile(int localID) const
{
LOCK;
OpenFiles::const_iterator i = openFiles.find(localID);
if (i != openFiles.end()) {
return i->second->remoteID;
}
throw NetFSComms::SystemError(EBADF);
}
int
NetFS::open(const char * p, struct fuse_file_info * fi)
{
try {
Ice::Int remoteID = filesystem->open(reqEnv(), p, fi->flags);
fi->fh = getNextFileID();
LOCK;
openFiles[fi->fh] = new OpenFile(remoteID, p, fi->flags);
return 0;
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::create(const char * p, mode_t m, struct fuse_file_info * fi)
{
try {
Ice::Int remoteID = filesystem->create(reqEnv(), p, fi->flags, m);
fi->fh = getNextFileID();
LOCK;
openFiles[fi->fh] = new OpenFile(remoteID, p, fi->flags);
return 0;
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::release(const char *, struct fuse_file_info * fi)
{
try {
filesystem->close(authtok, getRemoteIDforFile(fi->fh));
LOCK;
openFiles.erase(fi->fh);
return 0;
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::read(const char *, char * buf, size_t s, off_t o, struct fuse_file_info * fi)
{
try {
NetFSComms::Buffer data = filesystem->read(authtok, getRemoteIDforFile(fi->fh), o, s);
for (NetFSComms::Buffer::const_iterator i = data.begin(); i != data.end(); i++, buf++) {
*buf = *i;
}
return data.size();
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::write(const char *, const char * buf, size_t s, off_t o, struct fuse_file_info * fi)
{
try {
filesystem->write(authtok, getRemoteIDforFile(fi->fh), o, s, NetFSComms::Buffer(buf, buf + s));
return s;
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::truncate(const char * p, off_t o)
{
try {
filesystem->truncate(reqEnv(), p, o);
return 0;
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::ftruncate(const char *, off_t o, fuse_file_info * fi)
{
try {
filesystem->ftruncate(reqEnv(), getRemoteIDforFile(fi->fh), o);
return 0;
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::fgetattr(const char *, struct stat * s, fuse_file_info * fi)
{
try {
NetFSComms::Attr a = filesystem->fgetattr(reqEnv(), getRemoteIDforFile(fi->fh));
s->st_dev = a.dev;
s->st_ino = a.inode;
s->st_mode = a.mode;
s->st_nlink = a.links;
s->st_uid = uentries.getID(a.uid);
s->st_gid = gentries.getID(a.gid);
s->st_rdev = a.rdev;
s->st_size = a.size;
s->st_blksize = a.blockSize;
s->st_blocks = a.blocks;
s->st_atime = a.atime;
s->st_mtime = a.mtime;
s->st_ctime = a.ctime;
return 0;
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::unlink(const char * p)
{
try {
filesystem->unlink(reqEnv(), p);
return 0;
}
catch (NetFSComms::SystemError & e) {
return -e.syserrno;
}
}
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