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story: DGR-038 Implement isolated shard-local Hot KV State

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This commit is contained in:
Dobromir Popov
2026-08-01 01:32:46 +03:00
parent a1df87deb6
commit 49560b396f
6 changed files with 318 additions and 20 deletions
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21
packages/node/native/worker/shard_worker_main.cpp
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@@ -64,6 +64,19 @@ meshnet::worker::FlowLimits LimitsFromEnv() {
return limits;
}
bool PositiveEnv(const char* name, uint32_t* out, std::string* error) {
if (const char* value = std::getenv(name)) {
char* end = nullptr;
const unsigned long parsed = std::strtoul(value, &end, 10);
if (end == value || *end != '\0' || parsed == 0 || parsed > UINT32_MAX) {
*error = std::string("invalid ") + name;
return false;
}
*out = static_cast<uint32_t>(parsed);
}
return true;
}
bool IdentityFromEnv(meshnet::worker::WorkerIdentity* identity, std::string* error) {
const auto required = [&](const char* name, std::string* out) -> bool {
const char* value = std::getenv(name);
@@ -100,6 +113,14 @@ bool IdentityFromEnv(meshnet::worker::WorkerIdentity* identity, std::string* err
}
identity->injected_death_after_executions = static_cast<uint32_t>(parsed);
}
if (!PositiveEnv("MESHNET_HOT_KV_MAX_SESSIONS", &identity->hot_kv_max_sessions, error) ||
!PositiveEnv("MESHNET_HOT_KV_CONTEXT_TOKENS", &identity->hot_kv_context_tokens, error) ||
!PositiveEnv("MESHNET_HOT_KV_BUDGET_TOKENS", &identity->hot_kv_budget_tokens, error) ||
!PositiveEnv("MESHNET_HOT_KV_TTL_SECONDS", &identity->hot_kv_ttl_seconds, error)) return false;
if (identity->hot_kv_budget_tokens < identity->hot_kv_context_tokens) {
*error = "MESHNET_HOT_KV_BUDGET_TOKENS must cover one session context";
return false;
}
return true;
}