feature(requests): run requests concurrently - #57
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Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe change adds configurable request concurrency, bounded concurrent execution, configuration schema and sample updates, concurrency tests and benchmarks, profiling scripts, dependency updates, and ignore rules for generated profile artifacts. ChangesRequest concurrency
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant CLI
participant RequestsMetaConfig
participant ExecuteWithWriter
participant requestLimiter
participant HTTPServer
CLI->>RequestsMetaConfig: set concurrency
RequestsMetaConfig->>ExecuteWithWriter: execute configured requests
ExecuteWithWriter->>requestLimiter: acquire request slot
requestLimiter->>HTTPServer: allow bounded HTTP request
HTTPServer-->>ExecuteWithWriter: return response
ExecuteWithWriter->>requestLimiter: release request slot
ExecuteWithWriter-->>CLI: return results and serialized output
Merge Risk: ⚪ Minimal · up to No concrete current-head issue remains from the reviewed concurrency or dependency changes. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 43.48% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 23 functions across 5 files. (5 skipped: 5 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Inline comments:
In `@devenv.nix`:
- Line 1040: Update all four profiling cleanup traps to remove the generated
requests.test from the invocation directory rather than
internal/requests/requests.test, and add an EXIT trap to the aggregate profiling
script so cleanup runs even when a profile command fails. Leave the trace
command without test-binary cleanup.
In `@internal/requests/requests.go`:
- Line 320: Update ExecuteWithWriter, processHTTPRequestsByHost, and
processRequestsForHost so --concurrency limits individual executeSingleRequest
calls rather than only RequestConfig tasks or host traversal; ensure a single
RequestConfig with multiple URIs can execute concurrently while preserving
result aggregation by request name, and add a regression test measuring peak
in-flight requests.
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.gitignoredevenv.nixinternal/cmd/requests.gointernal/requests/requests.gointernal/requests/requests_test.go
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test: check existence and default value of the concurrency flag
… URIs - Bound individual executeSingleRequest calls by concurrency limit rather than only RequestConfig tasks - Support concurrent execution for multiple hosts and multiple URIs within a single RequestConfig - Serialize debug output writing via mutex to prevent output tearing and data races - Maintain deterministic result ordering and aggregation by request name - Add regression tests measuring peak in-flight requests with barrier synchronization
- Remove requests.test from root invocation directory instead of internal/requests/ - Add EXIT trap to aggregate profiling script to guarantee cleanup on failures - Remove redundant test-binary cleanup from trace script
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Inline comments:
In `@https-wrench.schema.json`:
- Line 24: Remove the minimum constraint for concurrency from both schema
definitions so negative values are accepted, while preserving the existing
descriptions documenting the <= 0 fallback behavior.
In `@internal/requests/requests.go`:
- Line 1030: Update processURIsConcurrently so URI processing does not create
one goroutine per unbounded uriList entry before requestLimiter.acquire; use a
fixed worker pool or acquire the limiter slot before launching each goroutine,
while preserving concurrency limits, cancellation, error propagation, and
waiting behavior.
- Around line 925-935: Bound host-level concurrency in the loop invoking
processRequestsForHost by introducing a dedicated host worker pool or scheduler
limit, so the number of active goroutines does not grow with len(r.Hosts). Keep
the existing HTTP request limiter available exclusively for each host’s URI
requests, and preserve errgroup cancellation and error propagation.
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📒 Files selected for processing (9)
devenv.nixhttps-wrench.schema.jsoninternal/cmd/embedded/config-example.yamlinternal/cmd/requests_test.gointernal/cmd/root_test.gointernal/mcp/assets/sample-config.yamlinternal/mcp/assets/schema.jsoninternal/requests/requests.gointernal/requests/requests_test.go
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- devenv.nix
- internal/requests/requests_test.go
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… goroutines - Remove minimum constraint on concurrency in schemas to accept negative values - Bound active host goroutines in processHostsConcurrently with errgroup SetLimit - Acquire requestLimiter before spawning goroutines in processURIsConcurrently - Replace runSingleRequestWithLimiter with executeSingleRequestWithLimiterOutput
- Promote golang.org/x/sync to direct dependency - Upgrade version from v0.22.0 to v0.23.0 - Update vendor/modules.txt and go.sum
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Summary by CodeRabbit
New Features
--concurrency/-coption and configuration files.1for sequential execution. Omitted or non-positive values fall back to 10.Bug Fixes