chore(qlog): Add meaningful qlog titles and descriptions. (#2281)

* chore(qlog): Add meaningful qlog titles and descriptions.

* chore(qlog) Add client prefix to client qlog filename.

* chore(qlog): Change EXPECTED_LOG_HEADER so tests pass.

Author: omansfeld

neqo-bin/src/client/mod.rs

@@ -508,9 +508,9 @@ fn qlog_new(args: &Args, hostname: &str, cid: &ConnectionId) -> Res<NeqoQlog> {
     NeqoQlog::enabled_with_file(
         qlog_dir,
         Role::Client,
-        Some("Example qlog".to_string()),
-        Some("Example qlog description".to_string()),
-        format!("{hostname}-{cid}"),
+        Some("Neqo client qlog".to_string()),
+        Some("Neqo client qlog".to_string()),
+        format!("client-{hostname}-{cid}"),
     )
     .map_err(Error::QlogError)
 }

neqo-common/src/qlog.rs

@@ -186,7 +186,7 @@ pub fn new_trace(role: Role) -> qlog::TraceSeq {
             flow: None,
         },
         title: Some(format!("neqo-{role} trace")),
-        description: Some("Example qlog trace description".to_string()),
+        description: Some(format!("neqo-{role} trace")),
         configuration: Some(Configuration {
             time_offset: Some(0.0),
             original_uris: None,

neqo-transport/src/server.rs

@@ -271,7 +271,7 @@ impl Server {
                     Role::Server,
                     Some("Neqo server qlog".to_string()),
                     Some("Neqo server qlog".to_string()),
-                    odcid,
+                    format!("server-{odcid}"),
                 )
                 .unwrap_or_else(|e| {
                     qerror!("failed to create NeqoQlog: {}", e);

test-fixture/src/lib.rs

@@ -418,6 +418,6 @@ pub fn new_neqo_qlog() -> (NeqoQlog, SharedVec) {
 
 pub const EXPECTED_LOG_HEADER: &str = concat!(
     "\u{1e}",
-    r#"{"qlog_version":"0.3","qlog_format":"JSON-SEQ","trace":{"vantage_point":{"name":"neqo-Client","type":"client"},"title":"neqo-Client trace","description":"Example qlog trace description","configuration":{"time_offset":0.0},"common_fields":{"reference_time":0.0,"time_format":"relative"}}}"#,
+    r#"{"qlog_version":"0.3","qlog_format":"JSON-SEQ","trace":{"vantage_point":{"name":"neqo-Client","type":"client"},"title":"neqo-Client trace","description":"neqo-Client trace","configuration":{"time_offset":0.0},"common_fields":{"reference_time":0.0,"time_format":"relative"}}}"#,
     "\n"
 );