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Replace vec! with Vec::{from,new}.
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Opinionated change: since Rust 1.44 [1], it has been possible to use
Vec::from to write vector literals. On the idea that a method call is
a simpler tool than a macro, prefer a method call. (Vec::new is also
used, if the vector being created is empty.)

[1] rust-lang/rust#68692
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@branlwyd
branlwyd committed Oct 7, 2022
1 parent a9eb40e commit 069a67b
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Showing 8 changed files with 51 additions and 50 deletions.
4 changes: 2 additions & 2 deletions janus_collector/examples/collect.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -479,7 +479,7 @@ mod tests {
ErrorKind::ValueValidation,
);

let base_arguments = vec![
let base_arguments = Vec::from([
"collect",
"--task-id",
&task_id_encoded,
Expand All @@ -495,7 +495,7 @@ mod tests {
"1000000",
"--batch-interval-duration",
"1000",
];
]);

let mut bad_arguments = base_arguments.clone();
bad_arguments.extend(["--vdaf=count", "--buckets=1,2,3,4"]);
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2 changes: 1 addition & 1 deletion janus_core/src/test_util/dummy_vdaf.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,7 @@ impl vdaf::Client for Vdaf {
&self,
_: &Self::Measurement,
) -> Result<(Self::PublicShare, Vec<Self::InputShare>), VdafError> {
Ok(((), vec![(), ()]))
Ok(((), Vec::from([(), ()])))
}
}

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4 changes: 3 additions & 1 deletion janus_core/src/test_util/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,9 @@ where
&public_share,
input_share,
)?;
Ok(vec![PrepareTransition::Continue(prep_state, prep_share)])
Ok(Vec::from([PrepareTransition::Continue(
prep_state, prep_share,
)]))
})
.collect::<Result<Vec<Vec<PrepareTransition<V, L>>>, VdafError>>()
.unwrap();
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2 changes: 1 addition & 1 deletion janus_messages/src/bin/dap_decode.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ fn decode_dap_message(message_file: &str, media_type: &str) -> Result<Box<dyn De
Box::new(File::open(message_file)?) as Box<dyn Read>
};

let mut message_buf = vec![];
let mut message_buf = Vec::new();
reader.read_to_end(&mut message_buf)?;

let mut binary_message = Cursor::new(message_buf.as_slice());
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40 changes: 20 additions & 20 deletions janus_messages/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2665,7 +2665,7 @@ mod tests {
CollectResp {
partial_batch_selector: PartialBatchSelector::new_time_interval(),
report_count: 23,
encrypted_aggregate_shares: vec![
encrypted_aggregate_shares: Vec::from([
HpkeCiphertext::new(
HpkeConfigId::from(10),
Vec::from("0123"),
Expand All @@ -2676,7 +2676,7 @@ mod tests {
Vec::from("01234"),
Vec::from("567"),
),
],
]),
},
concat!(
concat!(
Expand Down Expand Up @@ -2747,7 +2747,7 @@ mod tests {
[4u8; 32],
)),
report_count: 23,
encrypted_aggregate_shares: vec![
encrypted_aggregate_shares: Vec::from([
HpkeCiphertext::new(
HpkeConfigId::from(10),
Vec::from("0123"),
Expand All @@ -2758,7 +2758,7 @@ mod tests {
Vec::from("01234"),
Vec::from("567"),
),
],
]),
},
concat!(
concat!(
Expand Down Expand Up @@ -2899,12 +2899,12 @@ mod tests {
job_id: AggregationJobId([u8::MIN; 32]),
aggregation_parameter: Vec::from("012345"),
partial_batch_selector: PartialBatchSelector::new_time_interval(),
report_shares: vec![
report_shares: Vec::from([
ReportShare {
metadata: ReportMetadata::new(
ReportId::from([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]),
Time::from_seconds_since_epoch(54321),
vec![Extension::new(ExtensionType::Tbd, Vec::from("0123"))],
Vec::from([Extension::new(ExtensionType::Tbd, Vec::from("0123"))]),
),
public_share: Vec::new(),
encrypted_input_share: HpkeCiphertext::new(
Expand All @@ -2917,7 +2917,7 @@ mod tests {
metadata: ReportMetadata::new(
ReportId::from([16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]),
Time::from_seconds_since_epoch(73542),
vec![Extension::new(ExtensionType::Tbd, Vec::from("3210"))],
Vec::from([Extension::new(ExtensionType::Tbd, Vec::from("3210"))]),
),
public_share: Vec::from("0123"),
encrypted_input_share: HpkeCiphertext::new(
Expand All @@ -2926,7 +2926,7 @@ mod tests {
Vec::from("abfd"),
),
},
],
]),
},
concat!(
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", // task_id
Expand Down Expand Up @@ -3031,12 +3031,12 @@ mod tests {
partial_batch_selector: PartialBatchSelector::new_fixed_size(BatchId::from(
[2u8; 32],
)),
report_shares: vec![
report_shares: Vec::from([
ReportShare {
metadata: ReportMetadata::new(
ReportId::from([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]),
Time::from_seconds_since_epoch(54321),
vec![Extension::new(ExtensionType::Tbd, Vec::from("0123"))],
Vec::from([Extension::new(ExtensionType::Tbd, Vec::from("0123"))]),
),
public_share: Vec::new(),
encrypted_input_share: HpkeCiphertext::new(
Expand All @@ -3049,7 +3049,7 @@ mod tests {
metadata: ReportMetadata::new(
ReportId::from([16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]),
Time::from_seconds_since_epoch(73542),
vec![Extension::new(ExtensionType::Tbd, Vec::from("3210"))],
Vec::from([Extension::new(ExtensionType::Tbd, Vec::from("3210"))]),
),
public_share: Vec::from("0123"),
encrypted_input_share: HpkeCiphertext::new(
Expand All @@ -3058,7 +3058,7 @@ mod tests {
Vec::from("abfd"),
),
},
],
]),
},
concat!(
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", // task_id
Expand Down Expand Up @@ -3162,7 +3162,7 @@ mod tests {
roundtrip_encoding(&[
(
AggregateInitializeResp {
prepare_steps: vec![],
prepare_steps: Vec::new(),
},
concat!(concat!(
// prepare_steps
Expand All @@ -3171,7 +3171,7 @@ mod tests {
),
(
AggregateInitializeResp {
prepare_steps: vec![
prepare_steps: Vec::from([
PrepareStep {
report_id: ReportId::from([
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
Expand All @@ -3184,7 +3184,7 @@ mod tests {
]),
result: PrepareStepResult::Finished,
},
],
]),
},
concat!(concat!(
// prepare_steps
Expand Down Expand Up @@ -3213,7 +3213,7 @@ mod tests {
AggregateContinueReq {
task_id: TaskId::from([u8::MIN; 32]),
job_id: AggregationJobId([u8::MAX; 32]),
prepare_steps: vec![
prepare_steps: Vec::from([
PrepareStep {
report_id: ReportId::from([
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
Expand All @@ -3226,7 +3226,7 @@ mod tests {
]),
result: PrepareStepResult::Finished,
},
],
]),
},
concat!(
"0000000000000000000000000000000000000000000000000000000000000000", // task_id
Expand Down Expand Up @@ -3257,7 +3257,7 @@ mod tests {
roundtrip_encoding(&[
(
AggregateContinueResp {
prepare_steps: vec![],
prepare_steps: Vec::new(),
},
concat!(concat!(
// prepare_steps
Expand All @@ -3266,7 +3266,7 @@ mod tests {
),
(
AggregateContinueResp {
prepare_steps: vec![
prepare_steps: Vec::from([
PrepareStep {
report_id: ReportId::from([
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
Expand All @@ -3279,7 +3279,7 @@ mod tests {
]),
result: PrepareStepResult::Finished,
},
],
]),
},
concat!(concat!(
// prepare_steps
Expand Down
4 changes: 2 additions & 2 deletions janus_server/src/bin/aggregator.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -155,10 +155,10 @@ mod tests {
metrics_config: generate_metrics_config(),
health_check_listen_address: SocketAddr::from((Ipv4Addr::UNSPECIFIED, 8080)),
},
response_headers: vec![HeaderEntry {
response_headers: Vec::from([HeaderEntry {
name: "name".to_owned(),
value: "value".to_owned(),
}],
}]),
})
}

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20 changes: 10 additions & 10 deletions janus_server/src/binary_utils/job_driver.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -301,12 +301,12 @@ mod tests {

let test_state = Arc::new(Mutex::new(TestState {
job_acquire_counter: 0,
stepped_jobs: vec![],
stepped_jobs: Vec::new(),
}));
// View of incomplete jobs acquired from datastore fed to job finder closure
let incomplete_jobs = Arc::new(vec![
let incomplete_jobs = Arc::new(Vec::from([
// First job finder call: acquire some jobs.
vec![
Vec::from([
IncompleteJob {
task_id: random(),
job_id: random(),
Expand All @@ -317,13 +317,13 @@ mod tests {
job_id: random(),
lease_expiry: Time::from_seconds_since_epoch(200),
},
],
]),
// Second job finder call will be immediately after the first: no more jobs
// available yet. Should cause a minimum delay before job finder runs again.
vec![],
Vec::new(),
// Third job finder call: return some new jobs to simulate lease being released and
// re-acquired (it doesn't matter if the task and job IDs change).
vec![
Vec::from([
IncompleteJob {
task_id: random(),
job_id: random(),
Expand All @@ -334,8 +334,8 @@ mod tests {
job_id: random(),
lease_expiry: Time::from_seconds_since_epoch(400),
},
],
]);
]),
]));

// Run. Let the aggregation job driver step aggregation jobs, then kill it.
let job_driver = Arc::new(JobDriver::new(
Expand Down Expand Up @@ -420,7 +420,7 @@ mod tests {
assert!(final_test_state.job_acquire_counter >= 3);
assert_eq!(
final_test_state.stepped_jobs,
vec![
Vec::from([
// First acquirer run should have caused INCOMPLETE_JOBS[0] to be stepped.
SteppedJob {
observed_jobs_acquire_counter: 1,
Expand All @@ -444,7 +444,7 @@ mod tests {
task_id: incomplete_jobs[2][1].task_id,
job_id: incomplete_jobs[2][1].job_id,
},
]
])
);
}
}
25 changes: 12 additions & 13 deletions janus_server/src/trace.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -188,19 +188,18 @@ pub fn install_trace_subscriber(config: &TraceConfiguration) -> Result<(), Error
map.insert(MetadataKey::from_str(key)?, MetadataValue::try_from(value)?);
}

let tracer =
opentelemetry_otlp::new_pipeline()
.tracing()
.with_exporter(
opentelemetry_otlp::new_exporter()
.tonic()
.with_endpoint(otlp_config.endpoint.clone())
.with_metadata(map),
)
.with_trace_config(trace::config().with_resource(Resource::new(vec![
KeyValue::new(SERVICE_NAME, "janus_server"),
])))
.install_batch(opentelemetry::runtime::Tokio)?;
let tracer = opentelemetry_otlp::new_pipeline()
.tracing()
.with_exporter(
opentelemetry_otlp::new_exporter()
.tonic()
.with_endpoint(otlp_config.endpoint.clone())
.with_metadata(map),
)
.with_trace_config(trace::config().with_resource(Resource::new(Vec::from([
KeyValue::new(SERVICE_NAME, "janus_server"),
]))))
.install_batch(opentelemetry::runtime::Tokio)?;

// Filter out some spans from h2, internal to the OTLP exporter (via tonic). These spans
// would otherwise drown out root spans from the application.
Expand Down

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