4f84ac544d
Units run in the wasm sandbox, so my_pid/parent_pid/context.server->request_count
read as sandbox stubs — the demo System Info counters were broken, and there was
no authoritative server-side request timing available to unit code (client-side
measurement cannot see queue/dispatch latency).
Add a request_perf() unit API backed by a new uce_host_request_perf hostcall.
The native worker answers it live, returning a DValue:
worker_pid, parent_pid, request_count,
accept_us = (time_start - time_init)*1e6 (entry -> dispatch wait),
running_us = (now - time_start)*1e6 (since dispatch, live),
total_us = (now - time_init)*1e6 (since the request entered UCE),
workspace_birth_us.
time_init is captured at request entry (handle_request, with a handle_complete
fallback); a RequestPerfSnapshot {pids, request_count, time_init, time_start} is
threaded from wasm_backend_serve through wasm_worker_serve onto the workspace,
and the hostcall computes the live deltas at call time. Wired like uce_host_units
(sized DValue hostcall): core_hostcalls.syms + sys.cpp/sys.h request_perf().
site/demo/index.uce System Info now uses request_perf() and shows the real worker
PID, an incrementing per-worker request count, and the timing counters.
Implemented via the pi agent (gpt-5.3-codex-spark); a review of the live numbers
caught accept_us mistakenly computed as (now - time_init) (== total_us), fixed to
the dispatch wait (time_start - time_init). Independently verified on the host:
System Info shows non-zero PIDs, incrementing count, accept_us ~50us << total_us
~2.4ms with accept+running==total; run_cli_tests --include-wasm-kill => 87 passed,
0 failed, 0 skipped.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
108 lines
5.4 KiB
Plaintext
108 lines
5.4 KiB
Plaintext
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#include "demo_guard.h"
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void render_card(String url, String title, String desc)
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{
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<><a class="test-card" href="<?= url ?>">
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<strong><?= title ?></strong>
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<span><?= desc ?></span>
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</a></>
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}
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RENDER(Request& context)
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{
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DValue p;
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p.set(context.params);
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bool allow_server_demos = test_demo_request_allowed(context);
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<><html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1"></meta>
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<link rel="stylesheet" href='style.css?v=<?= time() ?>'></link>
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</head>
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<body>
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<h1>
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<a href="index.uce">UCE Test Suite</a>
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<a class="docs-link" href="../doc/index.uce">API Docs →</a>
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</h1>
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<div class="test-grid">
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<div class="grid-heading">Basics</div>
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<? render_card("hello.uce", "Hello World", "Basic output and server time"); ?>
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<? render_card("header.uce", "Headers", "HTTP response headers"); ?>
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<? if(allow_server_demos) { render_card("working-dir.uce", "Working Directory", "Server paths and cwd"); } ?>
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<? if(allow_server_demos) { render_card("error-reporting.uce", "Error Reporting", "Error handling and output"); } ?>
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<div class="grid-heading">Data Types & Parsing</div>
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<? render_card("dvalue.uce", "DValue", "Dynamic hierarchical data tree"); ?>
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<? render_card("json.uce", "JSON", "Parse and encode JSON data"); ?>
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<? render_card("xml.uce", "XML", "Structural XML encode/decode with DValue"); ?>
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<? render_card("yaml.uce", "YAML", "Concise config files with DValue"); ?>
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<? render_card("preprocessor-comments.uce", "Preprocessor Comments", "Regression coverage for comment parsing in templates"); ?>
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<? render_card("regex.uce", "Regular Expressions", "PCRE2 matching, captures, replacement, and splitting"); ?>
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<? render_card("string.uce", "String", "String operations"); ?>
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<? render_card("collections.uce", "Collection Helpers", "Map, filter, group, pick, and omit render data"); ?>
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<? render_card("str_replace.uce", "String Replace", "Search and replace in strings"); ?>
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<? render_card("utf8.uce", "UTF-8", "Unicode string handling"); ?>
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<? render_card("random.uce", "RNG / Noise", "Random generation and noise"); ?>
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<? render_card("parse_time.uce", "time_parse()", "Date and time parsing"); ?>
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<div class="grid-heading">HTTP & Forms</div>
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<? render_card("post.uce", "Form POST", "URL-encoded form submission"); ?>
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<? render_card("post-multipart.uce", "Multipart POST", "File upload and multipart forms"); ?>
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<? render_card("uri.uce", "URI", "URI encoding and decoding"); ?>
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<? render_card("cookie.uce", "Cookies", "Read and write browser cookies"); ?>
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<? render_card("session.uce", "Session", "Server-side session state"); ?>
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<div class="grid-heading">Storage & I/O</div>
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<? render_card("fileio.uce", "File I/O", "Read and write files"); ?>
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<? if(allow_server_demos) { render_card("zip.uce", "ZIP", "Create, list, read, and extract ZIP archives"); } ?>
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<? if(allow_server_demos) { render_card("file_append.uce", "File Append", "Append data to files"); } ?>
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<? if(allow_server_demos) { render_card("shell.uce", "Shell", "Execute shell commands"); } ?>
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<? if(allow_server_demos) { render_card("memcached.uce", "Memcached", "Memcached key-value store"); } ?>
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<? if(allow_server_demos) { render_card("sqlite.uce", "SQLite", "Embedded SQLite database connector"); } ?>
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<? if(allow_server_demos) { render_card("mysql.uce", "MySQL", "MySQL database connector"); } ?>
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<div class="grid-heading">Advanced</div>
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<? render_card("call_file.uce", "unit_call()", "Dynamic file inclusion"); ?>
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<? render_card("components.uce", "Components", "Reusable component system"); ?>
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<? render_card("once-init.uce", "ONCE / INIT", "Unit lifecycle hooks for worker load and request entry"); ?>
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<? render_card("markdown.uce", "Markdown", "Markdown parsing with components"); ?>
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<? render_card("script.uce", "Script", "UCE script integration"); ?>
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<? render_card("websockets.ws.uce", "WebSockets", "Real-time WebSocket chat"); ?>
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<? render_card("unit-browser.uce", "Unit Browser", "units_list(), unit_info(), unit_compile()"); ?>
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<? if(allow_server_demos) { render_card("task.uce", "Task", "Background task execution"); } ?>
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<? if(allow_server_demos) { render_card("task_repeat.uce", "Task Repeat", "Recurring task scheduling"); } ?>
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</div>
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<? if(!allow_server_demos) { ?>
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<div class="system-info">
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<h3>Restricted On Public Access</h3>
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<pre>Local-only demos are hidden here because they can execute shell commands, access infrastructure services, mutate server state, compile units, or expose internal runtime details.</pre>
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</div>
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<? } else { ?>
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<div class="system-info">
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<h3>System Info</h3>
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<pre><?
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DValue perf = request_perf();
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print("Worker PID: ", (u64)perf["worker_pid"].to_u64(), "\n");
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print("Parent PID: ", (u64)perf["parent_pid"].to_u64(), "\n");
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print("Request #: ", (u64)perf["request_count"].to_u64(), "\n");
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print("Accept us: ", (f64)perf["accept_us"].to_f64(), "\n");
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print("Running us: ", (f64)perf["running_us"].to_f64(), "\n");
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print("Total us: ", (f64)perf["total_us"].to_f64(), "\n");
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if(perf["workspace_birth_us"].type != 'S')
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print("Workspace birth us: ", (u64)perf["workspace_birth_us"].to_u64(), "\n");
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print("Output buffer size: ", context.ob->str().length(), "\n");
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?></pre>
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</div>
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<? } ?>
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<details>
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<summary>Request Parameters</summary>
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<pre><?= (var_dump(p)) ?></pre>
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</details>
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</body>
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</html></>
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}
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