Commit 8a9b6b27 authored by Julius Athenstaedt's avatar Julius Athenstaedt
Browse files

debug messages only with debug flag

parent 92f8d006

src/client/fuse/fuse_client.cpp

+97 −45
Original line number Diff line number Diff line
@@ -123,6 +123,7 @@ passthrough_ll_help(void) { 
static void

init_handler(void* userdata, struct fuse_conn_info* conn) {

    struct u_data* ud = (struct u_data*) userdata;

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "init handler readahead %i direct_io %i \n",

                 ud->max_readahead, ud->direct_io);
@@ -153,20 +154,24 @@ init_handler(void* userdata, struct fuse_conn_info* conn) { 


static void

destroy_handler(void* userdata) {

    struct u_data* ud = (struct u_data*) userdata;

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "destroy handler \n");

    // userdata is GekkoFuse* if passed

}



static void

lookup_handler(fuse_req_t req, fuse_ino_t parent, const char* name) {

    fuse_log(FUSE_LOG_DEBUG, "lookup handler ino %u\n", parent);

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "lookup handler ino %u\n", parent);

    auto* parent_inode = get_inode(parent);

    if(!parent_inode) {

        fuse_reply_err(req, ENOENT);

        return;

    }

    std::string child = get_path(parent_inode, name);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "lookup %s\n", child.c_str());



    if(ud->fifo) {
@@ -212,8 +217,10 @@ lookup_handler(fuse_req_t req, fuse_ino_t parent, const char* name) { 


static void

getattr_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) {

    fuse_log(FUSE_LOG_DEBUG, "getattr handler \n");

    auto* ud = udata(req);

    if(ud->debug) {

        fuse_log(FUSE_LOG_DEBUG, "getattr handler \n");

    }

    auto* inode = get_inode(ino);

    if(!inode) {

        fuse_reply_err(req, ENOENT);
@@ -223,6 +230,7 @@ getattr_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) { 
    struct stat st;

    int rc = gkfs::syscall::gkfs_stat(inode->path, &st);

    if(rc) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "getattr error %u\n", rc);

        fuse_reply_err(req, ENOENT);

        return;
@@ -234,8 +242,9 @@ getattr_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) { 
static void

setattr_handler(fuse_req_t req, fuse_ino_t ino, struct stat* attr, int to_set,

                struct fuse_file_info* fi) {

    fuse_log(FUSE_LOG_DEBUG, "setattr handler ino %u\n", ino);

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "setattr handler ino %u\n", ino);

    auto* inode = get_inode(ino);

    if(!inode) {

        fuse_reply_err(req, ENOENT);
@@ -246,6 +255,7 @@ setattr_handler(fuse_req_t req, fuse_ino_t ino, struct stat* attr, int to_set, 
        off_t new_size = attr->st_size;

        int res = gkfs::syscall::gkfs_truncate(inode->path, new_size);

        if(res < 0) {

            if(ud->debug)

                fuse_log(FUSE_LOG_DEBUG, "setattr truncate failed on %s\n",

                         inode->path.c_str());

            fuse_reply_err(req, EIO);
@@ -268,8 +278,9 @@ setattr_handler(fuse_req_t req, fuse_ino_t ino, struct stat* attr, int to_set, 


static void

open_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) {

    fuse_log(FUSE_LOG_DEBUG, "open handler \n");

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "open handler \n");

    auto* inode = get_inode(ino);

    if(!inode) {

        fuse_reply_err(req, ENOENT);
@@ -290,6 +301,8 @@ open_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) { 
static void

lseek_handler(fuse_req_t req, fuse_ino_t ino, off_t off, int whence,

              struct fuse_file_info* fi) {

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "lseek handler \n");

    int lc = gkfs::syscall::gkfs_lseek(fi->fh, off, whence);

    if(lc < 0) {
@@ -302,6 +315,8 @@ lseek_handler(fuse_req_t req, fuse_ino_t ino, off_t off, int whence, 
static void

read_handler(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off,

             struct fuse_file_info* fi) {

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "read handler \n");

    auto* inode = get_inode(ino);

    if(!inode) {
@@ -311,6 +326,7 @@ read_handler(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, 
    std::vector<char> buf(size);

    int rc = gkfs::syscall::gkfs_pread(fi->fh, buf.data(), size, off);

    if(rc < 0) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "read fail \n");

        fuse_reply_err(req, errno);

        return;
@@ -321,6 +337,8 @@ read_handler(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, 
static void

write_handler(fuse_req_t req, fuse_ino_t ino, const char* buf, size_t size,

              off_t off, struct fuse_file_info* fi) {

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "write handler \n");

    auto* inode = get_inode(ino);

    if(!inode) {
@@ -329,6 +347,7 @@ write_handler(fuse_req_t req, fuse_ino_t ino, const char* buf, size_t size, 
    }

    int rc = gkfs::syscall::gkfs_pwrite(fi->fh, buf, size, off);

    if(rc < 0) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "write fail \n");

        fuse_reply_err(req, errno);

        return;
@@ -346,9 +365,11 @@ create_handler(fuse_req_t req, fuse_ino_t parent, const char* name, mode_t mode, 
        return;

    }

    std::string path = get_path(parent_inode, name);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "create handler %s\n", path.c_str());

    int fd = gkfs::syscall::gkfs_open(path, mode, fi->flags | O_CREAT);

    if(fd < 0) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "create -> open failed errno %i\n", errno);

        fuse_reply_err(req, errno);

        return;
@@ -362,6 +383,7 @@ create_handler(fuse_req_t req, fuse_ino_t parent, const char* name, mode_t mode, 
        return;

    }

    fuse_ino_t ino = alloc_inode(path);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "create new inode ino %i\n", ino);

    ino_map[ino].st = st;

    fuse_entry_param e = {};
@@ -376,8 +398,9 @@ create_handler(fuse_req_t req, fuse_ino_t parent, const char* name, mode_t mode, 
/// problem?

static void

unlink_handler(fuse_req_t req, fuse_ino_t parent, const char* name) {

    fuse_log(FUSE_LOG_DEBUG, "unlink handler \n");

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "unlink handler \n");

    auto* parent_inode = get_inode(parent);

    if(!parent_inode) {

        fuse_reply_err(req, ENOENT);
@@ -411,6 +434,8 @@ unlink_handler(fuse_req_t req, fuse_ino_t parent, const char* name) { 


static void

opendir_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) {

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "opendir handler \n");

    auto* inode = get_inode(ino);

    if(!inode) {
@@ -418,6 +443,7 @@ opendir_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) { 
        return;

    }

    struct stat st;

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "open dir %s \n", inode->path.c_str());

    if(gkfs::syscall::gkfs_stat(inode->path, &st) != 0 || S_ISREG(st.st_mode)) {

        fuse_reply_err(req, ENOTDIR);
@@ -457,8 +483,9 @@ opendir_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) { 
static void

readdir_handler(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off,

                struct fuse_file_info* fi) {

    fuse_log(FUSE_LOG_DEBUG, "readdir handler \n");

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "readdir handler \n");

    auto* dir_ptr = reinterpret_cast<GkfsDir*>(fi->fh);

    if(!dir_ptr) {

        fuse_reply_err(req, EBADF);
@@ -467,6 +494,7 @@ readdir_handler(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, 


    auto open_dir = CTX->file_map()->get_dir(dir_ptr->fd);



    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "read dir %s \n", open_dir->path().c_str());



    if(open_dir == nullptr) {
@@ -541,6 +569,8 @@ readdir_handler(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, 


static void

releasedir_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) {

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "releasedir handler \n");

    GkfsDir* dir_ptr = reinterpret_cast<GkfsDir*>(fi->fh);

    if(CTX->interception_enabled() && CTX->file_map()->exist(dir_ptr->fd)) {
@@ -560,19 +590,24 @@ releasedir_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) { 
/// releases file descriptor, not connected to lookup_count

static void

release_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) {

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "release handler \n");

    auto* inode = get_inode(ino);

    if(!inode) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "release here \n");

        fuse_reply_err(req, ENOENT);

        return;

    }

    int lc = gkfs::syscall::gkfs_close(fi->fh);

    if(lc < 0) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "release there \n");

        fuse_reply_err(req, 1);

        return;

    }

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "release success \n");

    fuse_reply_err(req, 0);

}
@@ -580,6 +615,8 @@ release_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) { 
/// decrement lookup count

static void

forget_handler(fuse_req_t req, fuse_ino_t ino, uint64_t nlookup) {

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "forget handler \n");



    auto it = ino_map.find(ino);
@@ -597,6 +634,7 @@ forget_handler(fuse_req_t req, fuse_ino_t ino, uint64_t nlookup) { 
    if(inode.lookup_count == 0) { // && inode.open_count == 0

        path_map.erase(inode.path);

        ino_map.erase(it);

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "reached lookup_count 0 \n");

    }
@@ -606,6 +644,8 @@ forget_handler(fuse_req_t req, fuse_ino_t ino, uint64_t nlookup) { 


static void

flush_handler(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info* fi) {

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "flush handler \n");

    auto* inode = get_inode(ino);

    if(!inode) {
@@ -629,8 +669,9 @@ fsync_handler(fuse_req_t req, fuse_ino_t ino, int datasync, 


static void

access_handler(fuse_req_t req, fuse_ino_t ino, int mask) {

    fuse_log(FUSE_LOG_DEBUG, "access handler \n");

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "access handler \n");

    if(ud->access && !ud->fifo) {

        auto* inode = get_inode(ino);

        if(!inode) {
@@ -660,6 +701,7 @@ mkdir_handler(fuse_req_t req, fuse_ino_t parent, const char* name, 
        return;

    }

    std::string path = get_path(parent_inode, name);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "mkdir parent %s name %s\n",

                 parent_inode->path.c_str(), name);

    int rc = gkfs::syscall::gkfs_create(path, mode | S_IFDIR);
@@ -670,11 +712,13 @@ mkdir_handler(fuse_req_t req, fuse_ino_t parent, const char* name, 
    struct stat st;

    int sc = gkfs::syscall::gkfs_stat(path, &st);

    if(sc == -1) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "thats why its not allowed \n");

        fuse_reply_err(req, 1);

        return;

    }

    fuse_ino_t ino = alloc_inode(path);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "create new inode ino %i\n", ino);

    ino_map[ino].st = st;

    fuse_entry_param e = {};
@@ -687,12 +731,14 @@ mkdir_handler(fuse_req_t req, fuse_ino_t parent, const char* name, 


static void

rmdir_handler(fuse_req_t req, fuse_ino_t parent, const char* name) {

    auto* ud = udata(req);

    auto* parent_inode = get_inode(parent);

    if(!parent_inode) {

        fuse_reply_err(req, ENOENT);

        return;

    }

    std::string path = get_path(parent_inode, name);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "rmdir  %s\n", path.c_str());

    int rc = gkfs::syscall::gkfs_rmdir(path);

    if(rc == -1) {
@@ -732,11 +778,13 @@ static void 
symlink_handler(fuse_req_t req, const char* linkname, fuse_ino_t parent,

                const char* name) {

#ifdef HAS_SYMLINKS

    fuse_log(FUSE_LOG_DEBUG, "symlink handler linkname %s name %s\n", linkname,

             name);

    auto* ud = udata(req);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "symlink handler linkname %s name %s\n",

                 linkname, name);

    auto* parent_inode = get_inode(parent);

    if(!parent_inode) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "symlink parent inode ino %i\n", parent);

        fuse_reply_err(req, ENOENT);

        return;
@@ -751,6 +799,7 @@ symlink_handler(fuse_req_t req, const char* linkname, fuse_ino_t parent, 
                          target.substr(strlen(ud->mountpoint)).c_str());

    }



    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "mk symlink path %s target %s\n", path.c_str(),

                 target.c_str());

    int rc = gkfs::syscall::gkfs_mk_symlink(path, target);
@@ -762,11 +811,14 @@ symlink_handler(fuse_req_t req, const char* linkname, fuse_ino_t parent, 
    // Stat the new symlink so we can reply with entry info

    struct stat st;

    if(gkfs::syscall::gkfs_stat(path, &st) < 0) {

        if(ud->debug)

            fuse_log(FUSE_LOG_DEBUG, "stat failed\n");

        fuse_reply_err(req, errno);

        return;

    }

    fuse_log(FUSE_LOG_DEBUG, "stat mode %i, iflink %i\n", st.st_mode, S_IFLNK);

    if(ud->debug)

        fuse_log(FUSE_LOG_DEBUG, "stat mode %i, iflink %i\n", st.st_mode,

                 S_IFLNK);

    // TODO this meta is not saved and therefore on restart gone

    // this shows the link on ls -l

    st.st_mode = S_IFLNK | 0777; // mark as symlink + full perms