249 lines
9.3 KiB
Bash
Executable File
249 lines
9.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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cd "$(dirname "$0")/.."
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test_name="dependency-cache-test-$$"
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site_directory="${UCE_TEST_SITE_DIRECTORY:-site}"
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source_dir="$site_directory/$test_name"
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bin_directory="${BIN_DIRECTORY:-}"
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if [[ -z "$bin_directory" && -r /etc/uce/settings.cfg ]]; then
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bin_directory=$(awk -F= '/^[[:space:]]*BIN_DIRECTORY[[:space:]]*=/ {gsub(/^[[:space:]]+|[[:space:]]+$/, "", $2); print $2; exit}' /etc/uce/settings.cfg)
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fi
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bin_directory="${bin_directory:-/tmp/uce/work}"
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cache_dir=""
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mutation_file="/tmp/uce-dependency-mutation-$$"
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post_body="/tmp/uce-dependency-post-body-$$"
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post_headers="/tmp/uce-dependency-post-headers-$$"
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lock_ready_file="/tmp/uce-dependency-lock-ready-$$"
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race_output="/tmp/uce-source-race-output-$$"
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race_error="/tmp/uce-source-race-error-$$"
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race_status="/tmp/uce-source-race-status-$$"
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http_host="${UCE_TEST_HTTP_HOST:-uce.openfu.com}"
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cleanup() {
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rm -rf "$source_dir"
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if [[ -n "$cache_dir" ]]; then
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rm -rf "$cache_dir"
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fi
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rm -f "$mutation_file" "$post_body" "$post_headers" "$lock_ready_file" "$race_output" "$race_error" "$race_status"
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}
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trap cleanup EXIT
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mkdir -p "$source_dir"
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cache_dir="$bin_directory$(realpath "$source_dir")"
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printf '%s\n' \
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'#ifndef UCE_DEPENDENCY_CACHE_CHILD' \
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'#define UCE_DEPENDENCY_CACHE_CHILD' \
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'String dependency_cache_marker() { return("dependency-marker-a"); }' \
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'#endif' >"$source_dir/child.uce"
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printf '%s\n' \
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'#load "child.uce"' \
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'CLI(Request& context) { print(dependency_cache_marker(), ":", request_perf()["worker_pid"].to_string()); }' \
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"RENDER(Request& context) { if(context.params[\"REQUEST_METHOD\"] == \"POST\") file_put_contents(\"$mutation_file\", dependency_cache_marker()); print(dependency_cache_marker(), \":\", request_perf()[\"worker_pid\"].to_string()); }" >"$source_dir/parent.uce"
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assert_marker() {
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local path="$1"
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local expected="$2"
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local output
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output=$(scripts/uce-cli "/$test_name/$path.uce")
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if [[ "$output" != *"$expected"* ]]; then
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echo "$path returned stale module; expected $expected: $output" >&2
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exit 1
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fi
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}
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http_marker() {
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curl -fsS -H "Host: $http_host" "http://127.0.0.1/$test_name/parent.uce"
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}
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assert_marker parent dependency-marker-a
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if [[ "$(http_marker)" != *"dependency-marker-a"* ]]; then
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echo "HTTP warm-up did not return dependency-marker-a" >&2
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exit 1
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fi
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printf '%s\n' 'CLI(Request& context) { print("readable-source-marker"); }' >"$source_dir/unreadable.uce"
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chmod 000 "$source_dir/unreadable.uce"
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if unreadable_output=$(scripts/uce-cli --get "/$test_name/unreadable.uce" __uce_expected_source_read_failure=1 2>&1); then
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echo "unreadable source unexpectedly compiled: $unreadable_output" >&2
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exit 1
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fi
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if [[ "$unreadable_output" != *"source file is not readable"* ]]; then
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echo "unreadable source did not report its actual compile error: $unreadable_output" >&2
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exit 1
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fi
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if [[ -e "$cache_dir/unreadable.uce.wasm" ]]; then
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echo "unreadable source published a wasm artifact" >&2
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exit 1
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fi
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chmod 644 "$source_dir/unreadable.uce"
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assert_marker unreadable readable-source-marker
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sed -i 's/dependency-marker-a/dependency-marker-b/' "$source_dir/child.uce"
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started_at=$(date +%s%N)
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http_during_rebuild=$(http_marker)
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elapsed_ms=$(( ($(date +%s%N) - started_at) / 1000000 ))
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if [[ "$http_during_rebuild" != *"dependency-marker-a"* && "$http_during_rebuild" != *"dependency-marker-b"* ]]; then
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echo "HTTP rebuild request returned neither complete artifact: $http_during_rebuild" >&2
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exit 1
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fi
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if (( elapsed_ms >= 2000 )); then
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echo "HTTP request spent ${elapsed_ms}ms rebuilding a stale artifact" >&2
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exit 1
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fi
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deadline=$((SECONDS + 15))
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while [[ "$http_during_rebuild" != *"dependency-marker-b"* && $SECONDS -lt $deadline ]]; do
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sleep 0.2
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http_during_rebuild=$(http_marker)
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done
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if [[ "$http_during_rebuild" != *"dependency-marker-b"* ]]; then
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echo "requested stale HTTP unit did not receive a demand-priority rebuild" >&2
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exit 1
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fi
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assert_marker parent dependency-marker-b
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# A proactive rebuild owns these same per-unit locks. While it publishes fresh
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# artifacts, requests must use the last complete artifacts instead of waiting
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# across the transitive graph. Atomic publication keeps those artifacts safe.
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parent_wasm="$cache_dir/parent.uce.wasm"
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child_wasm="$cache_dir/child.uce.wasm"
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(
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exec 8>"$parent_wasm.lock"
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exec 9>"$child_wasm.lock"
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flock 8
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flock 9
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: >"$lock_ready_file"
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sleep 3
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) &
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rebuild_lock_pid=$!
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deadline=$((SECONDS + 5))
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while [[ ! -e "$lock_ready_file" && $SECONDS -lt $deadline ]]; do
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if ! kill -0 "$rebuild_lock_pid" 2>/dev/null; then
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echo "test rebuild lock process exited before acquiring locks" >&2
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exit 1
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fi
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sleep 0.05
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done
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if [[ ! -e "$lock_ready_file" ]]; then
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echo "test rebuild lock process did not acquire locks before deadline" >&2
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exit 1
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fi
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sed -i 's/dependency-marker-b/dependency-marker-d/' "$source_dir/child.uce"
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started_at=$(date +%s%N)
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http_during_lock=$(http_marker)
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elapsed_ms=$(( ($(date +%s%N) - started_at) / 1000000 ))
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if [[ "$http_during_lock" != *"dependency-marker-b"* ]]; then
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echo "HTTP request did not serve the last complete artifact during rebuild: $http_during_lock" >&2
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exit 1
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fi
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if (( elapsed_ms >= 2000 )); then
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echo "HTTP request waited ${elapsed_ms}ms for an active transitive rebuild" >&2
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exit 1
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fi
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rm -f "$mutation_file"
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started_at=$(date +%s%N)
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post_status=$(curl -sS -o "$post_body" -D "$post_headers" -w '%{http_code}' -X POST -H "Host: $http_host" "http://127.0.0.1/$test_name/parent.uce")
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elapsed_ms=$(( ($(date +%s%N) - started_at) / 1000000 ))
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if [[ "$post_status" != "503" ]]; then
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echo "stale POST executed an application artifact instead of returning 503: status=$post_status body=$(cat "$post_body")" >&2
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exit 1
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fi
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if ! grep -qi '^Retry-After: 1' "$post_headers"; then
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echo "stale POST did not return a Retry-After header" >&2
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exit 1
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fi
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if [[ -e "$mutation_file" ]]; then
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echo "stale POST executed the old mutation handler: $(cat "$mutation_file")" >&2
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exit 1
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fi
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if (( elapsed_ms >= 2000 )); then
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echo "stale POST waited ${elapsed_ms}ms instead of failing closed promptly" >&2
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exit 1
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fi
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started_at=$(date +%s%N)
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assert_marker parent dependency-marker-d
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elapsed_ms=$(( ($(date +%s%N) - started_at) / 1000000 ))
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if (( elapsed_ms < 2000 )); then
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echo "CLI request returned before the locked rebuild published the current artifact (${elapsed_ms}ms)" >&2
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exit 1
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fi
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wait "$rebuild_lock_pid"
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# Warm every configured worker, then replace the artifact while retaining its
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# whole-second mtime. The worker cache must notice the nanosecond/ctime change.
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for _ in {1..16}; do assert_marker parent dependency-marker-d; done
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sed 's/dependency-marker-d/dependency-marker-c/' "$source_dir/child.uce" >"$source_dir/alternate-child.uce"
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sed 's/child.uce/alternate-child.uce/' "$source_dir/parent.uce" >"$source_dir/alternate.uce"
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assert_marker alternate dependency-marker-c
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alternate_wasm="$cache_dir/alternate.uce.wasm"
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parent_mtime=$(stat -c %Y "$parent_wasm")
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cp "$alternate_wasm" "$parent_wasm"
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touch -d "@$parent_mtime" "$parent_wasm"
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rm -f "$cache_dir/parent.uce.cwasm"
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for _ in {1..16}; do assert_marker parent dependency-marker-c; done
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race_unit="$source_dir/source-race.uce"
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race_cpp="$cache_dir/source-race.uce.cpp"
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{
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printf '%s\n' 'String source_race_marker() { return("source-race-marker-a"); }'
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for i in $(seq 1 3500); do
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printf 'int source_race_padding_%s() { return(%s); }\n' "$i" "$i"
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done
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printf '%s\n' 'CLI(Request& context) { print(source_race_marker()); }'
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} >"$race_unit"
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rm -f "$cache_dir/source-race.uce.cpp" "$cache_dir/source-race.uce.wasm" "$cache_dir/source-race.uce.cwasm" "$cache_dir/source-race.uce.meta.txt"
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(
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set +e
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scripts/uce-cli "/$test_name/source-race.uce" >"$race_output" 2>"$race_error"
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echo "$?" >"$race_status"
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) &
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race_pid=$!
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deadline=$((SECONDS + 10))
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while [[ ! -e "$race_cpp" && $SECONDS -lt $deadline ]]; do
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if ! kill -0 "$race_pid" 2>/dev/null; then
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echo "source-race compile finished before publishing generated C++" >&2
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cat "$race_output" "$race_error" >&2 || true
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exit 1
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fi
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sleep 0.02
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done
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if [[ ! -e "$race_cpp" ]]; then
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echo "source-race compile did not publish generated C++ before deadline" >&2
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exit 1
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fi
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if ! grep -q 'source-race-marker-a' "$race_cpp"; then
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echo "source-race generated C++ did not contain the initial marker" >&2
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exit 1
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fi
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if ! kill -0 "$race_pid" 2>/dev/null; then
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echo "source-race compile finished before source mutation hook" >&2
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cat "$race_output" "$race_error" >&2 || true
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exit 1
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fi
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sed -i 's/source-race-marker-a/source-race-marker-b/' "$race_unit"
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wait "$race_pid"
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if [[ "$(cat "$race_status" 2>/dev/null || echo 1)" != "0" ]]; then
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echo "source-race CLI request failed" >&2
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cat "$race_output" "$race_error" >&2 || true
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exit 1
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fi
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if [[ "$(cat "$race_output")" != *"source-race-marker-b"* ]]; then
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echo "source changed during compile but UCE served stale wasm: $(cat "$race_output")" >&2
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exit 1
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fi
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worker_count=$(awk -F= '/^[[:space:]]*WORKER_COUNT[[:space:]]*=/ {gsub(/^[[:space:]]+|[[:space:]]+$/, "", $2); print $2; exit}' /etc/uce/settings.cfg 2>/dev/null || true)
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worker_count="${worker_count:-4}"
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worker_pids=""
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for _ in {1..48}; do
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output=$(scripts/uce-cli "/$test_name/parent.uce")
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worker_pids+="${output##*:}"$'\n'
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done
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unique_workers=$(printf '%s' "$worker_pids" | sed '/^$/d' | sort -u | wc -l)
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if (( unique_workers > worker_count )); then
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echo "worker pool recycled during 48 requests: $unique_workers PIDs for $worker_count workers" >&2
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exit 1
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fi
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echo "dependency invalidation passed"
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