Initial server source import

2026-09-30 20:30:56 +03:00
commit 170dd941b9
498 changed files with 261563 additions and 0 deletions
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+MAX_RESULT_BUNDLE_BYTES = 64 * 1024 * 1024
+REMOTE_ASSIGNMENT_BASELINE_BYTES = 2 * 1024 * 1024
+REMOTE_ASSIGNMENT_MAX_ACTIVE = 50
+
+
+def validate_remote_assignment_capacity(config):
+    values = {}
+    fields = (
+        'result_bundle_max_event_bytes',
+        'remote_assignment_reserve_bytes',
+        'remote_assignment_max_active',
+        'result_bundle_max_total_bytes',
+        'projection_backlog_max_bytes',
+        'projection_backlog_headroom_bytes',
+        'keycheck_queue_max_items',
+        'keycheck_queue_max_bytes',
+        'keycheck_candidates_per_event',
+        'keycheck_candidate_bytes_per_event',
+    )
+    for name in fields:
+        value = config.get(name)
+        if type(value) is not int or value < 0:
+            raise ValueError(name)
+        values[name] = value
+
+    hard_limit = values['result_bundle_max_event_bytes']
+    reserve = values['remote_assignment_reserve_bytes']
+    active = values['remote_assignment_max_active']
+    if not REMOTE_ASSIGNMENT_BASELINE_BYTES <= reserve <= hard_limit:
+        raise ValueError('remote_assignment_reserve_bytes')
+    if not REMOTE_ASSIGNMENT_BASELINE_BYTES <= hard_limit <= MAX_RESULT_BUNDLE_BYTES:
+        raise ValueError('result_bundle_max_event_bytes')
+    if not 1 <= active <= REMOTE_ASSIGNMENT_MAX_ACTIVE:
+        raise ValueError('remote_assignment_max_active')
+
+    required_bytes = active * reserve
+    if values['result_bundle_max_total_bytes'] < required_bytes:
+        raise ValueError('result_bundle_max_total_bytes')
+    projection_admission_bytes = (
+        values['projection_backlog_max_bytes']
+        - values['projection_backlog_headroom_bytes']
+    )
+    if projection_admission_bytes < required_bytes:
+        raise ValueError('projection_backlog_max_bytes')
+    if (
+        values['keycheck_queue_max_items']
+        < active * values['keycheck_candidates_per_event']
+    ):
+        raise ValueError('keycheck_queue_max_items')
+    if (
+        values['keycheck_queue_max_bytes']
+        < active * values['keycheck_candidate_bytes_per_event']
+    ):
+        raise ValueError('keycheck_queue_max_bytes')
+    return values