Can get some data

disk/src/dataopen.rs

@@ -113,12 +113,20 @@ async fn position_file(
             match OpenOptions::new().read(true).open(&index_path).await {
                 Ok(mut index_file) => {
                     let meta = index_file.metadata().await?;
-                    if meta.len() > 1024 * 1024 * 20 {
-                        return Err(Error::with_msg(format!(
+                    if meta.len() > 1024 * 1024 * 80 {
+                        let msg = format!(
                             "too large index file  {} bytes  for {}",
                             meta.len(),
                             channel_config.channel.name
-                        )));
+                        );
+                        return Err(Error::with_msg(msg));
+                    } else if meta.len() > 1024 * 1024 * 20 {
+                        let msg = format!(
+                            "large index file  {} bytes  for {}",
+                            meta.len(),
+                            channel_config.channel.name
+                        );
+                        warn!("{}", msg);
                     }
                     if meta.len() < 2 {
                         return Err(Error::with_msg(format!(
@@ -252,21 +260,35 @@ pub fn open_expanded_files(
 
 async fn get_timebins(channel_config: &ChannelConfig, node: Node) -> Result<Vec<u64>, Error> {
     let mut timebins = vec![];
-    let rd = tokio::fs::read_dir(paths::channel_timebins_dir_path(&channel_config, &node)?).await?;
-    let mut rd = tokio_stream::wrappers::ReadDirStream::new(rd);
-    while let Some(e) = rd.next().await {
-        let e = e?;
-        let dn = e
-            .file_name()
-            .into_string()
-            .map_err(|e| Error::with_msg(format!("Bad OS path {:?}", e)))?;
-        let vv = dn.chars().fold(0, |a, x| if x.is_digit(10) { a + 1 } else { a });
-        if vv == 19 {
-            timebins.push(dn.parse::<u64>()?);
+    let p0 = paths::channel_timebins_dir_path(&channel_config, &node)?;
+    match tokio::fs::read_dir(&p0).await {
+        Ok(rd) => {
+            let mut rd = tokio_stream::wrappers::ReadDirStream::new(rd);
+            while let Some(e) = rd.next().await {
+                let e = e?;
+                let dn = e
+                    .file_name()
+                    .into_string()
+                    .map_err(|e| Error::with_msg(format!("Bad OS path {:?}", e)))?;
+                if dn.len() != 19 {
+                    warn!("get_timebins  weird directory {:?}  p0 {:?}", e.path(), p0);
+                }
+                let vv = dn.chars().fold(0, |a, x| if x.is_digit(10) { a + 1 } else { a });
+                if vv == 19 {
+                    timebins.push(dn.parse::<u64>()?);
+                }
+            }
+            timebins.sort_unstable();
+            Ok(timebins)
+        }
+        Err(e) => {
+            info!(
+                "get_timebins  no timebins for {:?}  {:?}  p0 {:?}",
+                channel_config, e, p0
+            );
+            Ok(vec![])
         }
     }
-    timebins.sort_unstable();
-    Ok(timebins)
 }
 
 async fn open_expanded_files_inner(
@@ -291,6 +313,12 @@ async fn open_expanded_files_inner(
         }
     }
     let mut p1 = if let Some(i1) = p1 { i1 } else { 0 };
+    if p1 >= timebins.len() {
+        return Err(Error::with_msg(format!(
+            "logic error p1 {}  range {:?}  channel_config {:?}",
+            p1, range, channel_config
+        )));
+    }
     let mut found_first = false;
     loop {
         let tb = timebins[p1];
@@ -320,7 +348,7 @@ async fn open_expanded_files_inner(
     }
     if found_first {
         // Append all following positioned files.
-        loop {
+        while p1 < timebins.len() {
             let tb = timebins[p1];
             let mut a = vec![];
             for path in paths::datapaths_for_timebin(tb, &channel_config, &node).await? {
@@ -332,9 +360,6 @@ async fn open_expanded_files_inner(
             let h = OpenedFileSet { timebin: tb, files: a };
             chtx.send(Ok(h)).await?;
             p1 += 1;
-            if p1 >= timebins.len() {
-                break;
-            }
         }
     } else {
         info!("Could not find some event before the requested range, fall back to standard file list.");

disk/src/paths.rs

@@ -62,7 +62,9 @@ pub async fn datapaths_for_timebin(
             .join(format!("{:019}_00000_Data", config.time_bin_size.ns / MS));
         ret.push(path);
     }
-    info!("\n\ndatapaths_for_timebin returns: {:?}\n", ret);
+    if false {
+        info!("datapaths_for_timebin returns: {:?}", ret)
+    }
     Ok(ret)
 }