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Add debug output in storage backend code

This commit is contained in:
Matthias Beyer 2015-11-27 22:14:02 +01:00
parent 20dc562dee
commit 53a14ea1dc
1 changed files with 17 additions and 0 deletions
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17
src/storage/backend.rs
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@ -35,16 +35,20 @@ impl StorageBackend {
fn build<M: Module>(rt: &Runtime, m: &M) -> StorageBackend {
let path = rt.get_rtp() + m.name() + "/store";
// TODO: Don't use "/store" but value from configuration
debug!("Building StorageBackend for {}", path);
StorageBackend::new(path)
}
fn get_file_ids(&self) -> Option<Vec<FileID>> {
debug!("Getting files from {}", self.basepath);
let list = glob(&self.basepath[..]);
if let Ok(globlist) = list {
let mut v = vec![];
for entry in globlist {
if let Ok(path) = entry {
debug!(" - File: {:?}", path);
v.push(from_pathbuf(&path));
} else {
// Entry is not a path
@ -70,8 +74,10 @@ impl StorageBackend {
if let Ok(string) = written {
let path = self.build_filepath(&f);
debug!("Writing file: {}", path);
debug!(" contents: {}", string);
Ok(Ok(()))
} else {
debug!("Error parsing : {:?}", f.contents());
Err(written.err().unwrap())
}
}
@ -87,13 +93,17 @@ impl StorageBackend {
let contents = p.write(f.contents());
if contents.is_err() {
debug!("Error parsing contents: {:?}", f.contents());
return Err(contents.err().unwrap());
}
let content = contents.unwrap();
debug!("Success parsing content : {}", content);
let path = self.build_filepath(&f);
debug!("Trying to write to file at {}", path);
if let Err(_) = FSFile::open(&path) {
debug!("Error opening {}", path);
return Ok(Err(StorageBackendError::new(
String::from("File::open()"),
format!("Tried to open '{}'", path),
@ -103,6 +113,7 @@ impl StorageBackend {
if let Ok(mut file) = FSFile::create(&path) {
if let Err(writeerr) = file.write_all(&content.clone().into_bytes()) {
debug!("Error writing to {}", path);
return Ok(Err(StorageBackendError::new(
String::from("File::write()"),
format!("Tried to write '{}'", path),
@ -111,6 +122,7 @@ impl StorageBackend {
}
}
debug!("Successfully written to file.");
Ok(Ok(()))
}
@ -124,11 +136,15 @@ impl StorageBackend {
pub fn get_file_by_id<'a, HP>(&self, id: FileID, p: &Parser<HP>) -> Option<File>
where HP: FileHeaderParser<'a>
{
debug!("Searching for file with id '{}'", id);
if let Ok(mut fs) = FSFile::open(self.build_filepath_with_id(id.clone())) {
let mut s = String::new();
fs.read_to_string(&mut s);
debug!("Success reading file with id '{}'", id);
debug!("Parsing to internal structure now");
p.read(s).and_then(|(h, d)| Ok(File::from_parser_result(id, h, d))).ok()
} else {
debug!("No file with id '{}'", id);
None
}
}
@ -138,6 +154,7 @@ impl StorageBackend {
}
fn build_filepath_with_id(&self, id: FileID) -> String {
debug!("Building filepath for id '{}'", id);
self.basepath.clone() + &id[..]
}