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New accounts are 'pushed' to worker threads (#102)

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This commit is contained in:
Lee *!* Clagett
2024-04-08 12:58:43 -04:00
committed by Lee *!* Clagett
parent f300bff69f
commit 80604e8133
21 changed files with 743 additions and 50 deletions
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122
src/scanner.cpp
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@@ -694,6 +694,35 @@ namespace lws
return;
}
{
expect<std::vector<lws::account>> new_accounts = client.pull_accounts();
if (!new_accounts)
{
MERROR("Failed to pull new accounts: " << new_accounts.error().message());
return; // get all active accounts the easy way
}
if (!new_accounts->empty())
{
MINFO("Received " << new_accounts->size() << " new account(s) for scanning");
std::sort(new_accounts->begin(), new_accounts->end(), by_height{});
const db::block_id oldest = new_accounts->front().scan_height();
users.insert(
users.end(),
std::make_move_iterator(new_accounts->begin()),
std::make_move_iterator(new_accounts->end())
);
if (std::uint64_t(oldest) < fetched->start_height)
{
req.start_height = std::uint64_t(oldest);
block_request = rpc::client::make_message("get_blocks_fast", req);
if (!send(client, block_request.clone()))
return;
continue; // to next get_blocks_fast read
}
// else, the oldest new account is within the newly fetched range
}
}
// prep for next blocks retrieval
req.start_height = fetched->start_height + fetched->blocks.size() - 1;
block_request = rpc::client::make_message("get_blocks_fast", req);
@@ -913,6 +942,27 @@ namespace lws
}
}
lws::account prep_account(db::storage_reader& reader, const lws::db::account& user)
{
std::vector<std::pair<db::output_id, db::address_index>> receives{};
std::vector<crypto::public_key> pubs{};
auto receive_list = MONERO_UNWRAP(reader.get_outputs(user.id));
const std::size_t elems = receive_list.count();
receives.reserve(elems);
pubs.reserve(elems);
for (auto output = receive_list.make_iterator(); !output.is_end(); ++output)
{
auto id = output.get_value<MONERO_FIELD(db::output, spend_meta.id)>();
auto subaddr = output.get_value<MONERO_FIELD(db::output, recipient)>();
receives.emplace_back(std::move(id), std::move(subaddr));
pubs.emplace_back(output.get_value<MONERO_FIELD(db::output, pub)>());
}
return lws::account{user, std::move(receives), std::move(pubs)};
}
/*!
Launches `thread_count` threads to run `scan_loop`, and then polls for
active account changes in background
@@ -964,9 +1014,13 @@ namespace lws
threads.reserve(thread_count);
std::sort(users.begin(), users.end(), by_height{});
// enable the new bind point before registering pull accounts
lws::rpc::account_push pusher = MONERO_UNWRAP(ctx.bind_push());
MINFO("Starting scan loops on " << std::min(thread_count, users.size()) << " thread(s) with " << users.size() << " account(s)");
bool leader_thread = true;
bool remaining_threads = true;
while (!users.empty() && --thread_count)
{
const std::size_t per_thread = std::max(std::size_t(1), users.size() / (thread_count + 1));
@@ -977,7 +1031,8 @@ namespace lws
users.erase(users.end() - count, users.end());
rpc::client client = MONERO_UNWRAP(ctx.connect());
client.watch_scan_signals();
MONERO_UNWRAP(client.watch_scan_signals());
MONERO_UNWRAP(client.enable_pull_accounts());
auto data = std::make_shared<thread_data>(
std::move(client), disk.clone(), std::move(thread_users), opts
@@ -989,12 +1044,14 @@ namespace lws
if (!users.empty())
{
rpc::client client = MONERO_UNWRAP(ctx.connect());
client.watch_scan_signals();
MONERO_UNWRAP(client.watch_scan_signals());
MONERO_UNWRAP(client.enable_pull_accounts());
auto data = std::make_shared<thread_data>(
std::move(client), disk.clone(), std::move(users), opts
);
threads.emplace_back(attrs, std::bind(&scan_loop, std::ref(self), std::move(data), opts.untrusted_daemon, leader_thread));
remaining_threads = false;
}
auto last_check = std::chrono::steady_clock::now();
@@ -1035,22 +1092,51 @@ namespace lws
auto current_users = MONERO_UNWRAP(
reader->get_accounts(db::account_status::active, std::move(accounts_cur))
);
if (current_users.count() != active.size())
if (current_users.count() < active.size())
{
// cannot remove accounts via ZMQ (yet)
MINFO("Decrease in active user accounts detected, stopping scan threads...");
return;
}
std::vector<db::account_id> active_copy = active;
std::vector<lws::account> new_;
for (auto user = current_users.make_iterator(); !user.is_end(); ++user)
{
const db::account_id user_id = user.get_value<MONERO_FIELD(db::account, id)>();
const auto loc = std::lower_bound(active_copy.begin(), active_copy.end(), user_id);
if (loc == active_copy.end() || *loc != user_id)
{
new_.emplace_back(prep_account(*reader, user.get_value<db::account>()));
active.insert(
std::lower_bound(active.begin(), active.end(), user_id), user_id
);
}
else
active_copy.erase(loc);
}
if (!active_copy.empty())
{
MINFO("Change in active user accounts detected, stopping scan threads...");
return;
}
for (auto user = current_users.make_iterator(); !user.is_end(); ++user)
if (!new_.empty())
{
const db::account_id user_id = user.get_value<MONERO_FIELD(db::account, id)>();
if (!std::binary_search(active.begin(), active.end(), user_id))
if (remaining_threads)
{
MINFO("Change in active user accounts detected, stopping scan threads...");
MINFO("Received new account(s), starting more thread(s)");
return;
}
}
const auto pushed = pusher.push(epee::to_span(new_), std::chrono::seconds{1});
if (!pushed)
{
MERROR("Failed to push new account to workers: " << pushed.error().message());
return; // pull in new accounts by resetting state
}
else
MINFO("Pushed " << new_.size() << " new accounts to worker thread(s)");
}
read_txn = reader->finish_read();
accounts_cur = current_users.give_cursor();
} // while scanning
@@ -1293,23 +1379,7 @@ namespace lws
for (db::account user : accounts.make_range())
{
std::vector<std::pair<db::output_id, db::address_index>> receives{};
std::vector<crypto::public_key> pubs{};
auto receive_list = MONERO_UNWRAP(reader.get_outputs(user.id));
const std::size_t elems = receive_list.count();
receives.reserve(elems);
pubs.reserve(elems);
for (auto output = receive_list.make_iterator(); !output.is_end(); ++output)
{
auto id = output.get_value<MONERO_FIELD(db::output, spend_meta.id)>();
auto subaddr = output.get_value<MONERO_FIELD(db::output, recipient)>();
receives.emplace_back(std::move(id), std::move(subaddr));
pubs.emplace_back(output.get_value<MONERO_FIELD(db::output, pub)>());
}
users.emplace_back(user, std::move(receives), std::move(pubs));
users.emplace_back(prep_account(reader, user));
active.insert(
std::lower_bound(active.begin(), active.end(), user.id), user.id
);