mirror of
https://github.com/XTXMarkets/ternfs.git
synced 2025-12-31 07:49:35 -06:00
5bff9b8fae
The main thing that's added is full RS support, but a lot of things were rejigged along the way. The tests are still a bit lacking, and will be augmented in future commits.
664 lines
24 KiB
C++
664 lines
24 KiB
C++
#include <chrono>
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#include <fstream>
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#include <memory>
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#include <mutex>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <sys/socket.h>
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#include <atomic>
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#include <sys/epoll.h>
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#include <fcntl.h>
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#include <optional>
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#include <thread>
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#include <unordered_map>
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#include <arpa/inet.h>
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#include "Bincode.hpp"
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#include "CDC.hpp"
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#include "CDCDB.hpp"
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#include "Env.hpp"
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#include "Exception.hpp"
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#include "Msgs.hpp"
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#include "Time.hpp"
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#include "Undertaker.hpp"
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#include "CDCDB.hpp"
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#include "Crypto.hpp"
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#include "CDCKey.hpp"
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#include "Shuckle.hpp"
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struct CDCShared {
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CDCDB& db;
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std::atomic<bool> stop;
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std::atomic<uint16_t> ownPort;
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std::mutex shardsMutex;
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std::array<ShardInfo, 256> shards;
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CDCShared(CDCDB& db_) :
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db(db_),
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stop(false),
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ownPort(0)
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{
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for (auto& shard: shards) {
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memset(&shard, 0, sizeof(shard));
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}
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}
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};
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struct InFlightShardRequest {
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uint64_t txnId; // the txn id that requested this shard request
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EggsTime sentAt;
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uint64_t shardRequestId;
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ShardId shid;
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};
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struct InFlightCDCRequest {
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uint64_t cdcRequestId;
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struct sockaddr_in clientAddr;
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CDCMessageKind kind;
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};
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struct CDCServer : Undertaker::Reapable {
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private:
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Env _env;
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CDCShared& _shared;
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std::array<uint8_t, 4> _ownIp;
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uint16_t _desiredPort;
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uint64_t _currentLogIndex;
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std::vector<char> _recvBuf;
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std::vector<char> _sendBuf;
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CDCReqContainer _cdcReqContainer;
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ShardRespContainer _shardRespContainer;
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CDCStep _step;
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uint64_t _shardRequestIdCounter;
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std::array<int, 257> _socks;
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AES128Key _expandedCDCKey;
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// The requests we've enqueued, but haven't completed yet, with
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// where to send the response. Indexed by txn id.
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std::unordered_map<uint64_t, InFlightCDCRequest> _inFlightTxns;
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// The _shard_ request we're currently waiting for, if any.
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std::optional<InFlightShardRequest> _inFlightShardReq;
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public:
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CDCServer(Logger& logger, const CDCOptions& options, CDCShared& shared) :
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_env(logger, "req_server"),
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_shared(shared),
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_ownIp(options.ownIp),
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_desiredPort(options.port),
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_recvBuf(UDP_MTU),
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_sendBuf(UDP_MTU),
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_shardRequestIdCounter(0)
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{
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_currentLogIndex = _shared.db.lastAppliedLogEntry();
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memset(&_socks[0], 0, sizeof(_socks));
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expandKey(CDCKey, _expandedCDCKey);
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}
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virtual ~CDCServer() = default;
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virtual void terminate() override {
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_env.flush();
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_shared.stop.store(true);
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}
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virtual void onAbort() override {
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_env.flush();
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}
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void run() {
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_waitForShards();
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// Create sockets
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// First sock: the CDC sock
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// Next 256 socks: the socks we use to communicate with the shards
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for (int i = 0; i < _socks.size(); i++) {
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int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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_socks[i] = sock;
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if (sock < 0) {
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throw SYSCALL_EXCEPTION("cannot create socket");
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}
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if (fcntl(sock, F_SETFL, O_NONBLOCK) == -1) {
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throw SYSCALL_EXCEPTION("fcntl");
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}
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struct sockaddr_in addr;
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addr.sin_family = AF_INET;
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memcpy(&addr.sin_addr.s_addr, _ownIp.data(), sizeof(_ownIp));
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if (i == 0 && _desiredPort != 0) { // CDC with specified port
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addr.sin_port = htons(_desiredPort);
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} else { // automatically assigned port
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addr.sin_port = 0;
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}
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if (bind(sock, (struct sockaddr*)&addr, sizeof(addr)) != 0) {
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if (i == 0 && _desiredPort != 0) {
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char ip[INET_ADDRSTRLEN];
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throw SYSCALL_EXCEPTION("cannot bind socket to addr %s:%s", inet_ntop(AF_INET, _ownIp.data(), ip, INET_ADDRSTRLEN), _desiredPort);
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} else {
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throw SYSCALL_EXCEPTION("cannot bind socket");
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}
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}
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{
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socklen_t addrLen = sizeof(addr);
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if (getsockname(sock, (struct sockaddr*)&addr, &addrLen) < 0) {
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throw SYSCALL_EXCEPTION("getsockname");
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}
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}
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if (i == 0) {
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LOG_DEBUG(_env, "bound CDC sock to port %s", ntohs(addr.sin_port));
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_shared.ownPort.store(ntohs(addr.sin_port));
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} else {
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LOG_DEBUG(_env, "bound shard %s sock to port %s", i-1, ntohs(addr.sin_port));
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}
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}
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// create epoll structure
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int epoll = epoll_create1(0);
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if (epoll < 0) {
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throw SYSCALL_EXCEPTION("epoll");
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}
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struct epoll_event events[_socks.size()];
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for (int i = 0; i < _socks.size(); i++) {
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auto& event = events[i];
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event.data.u64 = i;
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event.events = EPOLLIN | EPOLLET;
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if (epoll_ctl(epoll, EPOLL_CTL_ADD, _socks[i], &event) == -1) {
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throw SYSCALL_EXCEPTION("epoll_ctl");
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}
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}
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LOG_INFO(_env, "running on port %s", _desiredPort);
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// If we've got a dangling transaction, immediately start processing it
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_shared.db.startNextTransaction(true, eggsNow(), _advanceLogIndex(), _step);
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_processStep(_step);
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// Start processing CDC requests and shard responses
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for (;;) {
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if (_shared.stop.load()) {
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LOG_DEBUG(_env, "got told to stop, stopping");
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break;
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}
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// timeout after 100ms
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if (_inFlightShardReq && (eggsNow() - _inFlightShardReq->sentAt) > 100_ms) {
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_inFlightShardReq.reset();
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_handleShardError(_inFlightShardReq->shid, EggsError::TIMEOUT);
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}
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// 1ms timeout for prompt termination and for shard resps timeouts
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int nfds = epoll_wait(epoll, events, _socks.size(), 1 /*milliseconds*/);
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if (nfds < 0) {
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throw SYSCALL_EXCEPTION("epoll_wait");
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}
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for (int i = 0; i < nfds; i++) {
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const auto& event = events[i];
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if (event.data.u64 == 0) {
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_drainCDCSock();
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} else {
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_drainShardSock(ShardId(event.data.u64-1));
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}
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}
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}
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_shared.db.close();
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}
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private:
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void _waitForShards() {
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LOG_INFO(_env, "Waiting for shard info to be filled in");
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EggsTime t0 = eggsNow();
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Duration maxWait = 1_mins;
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for (;;) {
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if (_shared.stop.load()) {
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return;
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}
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if (eggsNow() - t0 > maxWait) {
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throw EGGS_EXCEPTION("could not reach shuckle to get shards after %s, giving up", maxWait);
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}
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bool badShard = false;
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{
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const std::lock_guard<std::mutex> lock(_shared.shardsMutex);
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for (int i = 0; i < _shared.shards.size(); i++) {
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const auto sh = _shared.shards[i];
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if (sh.port == 0) {
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LOG_DEBUG(_env, "Shard %s isn't ready yet", i);
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badShard = true;
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break;
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}
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}
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}
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if (badShard) {
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std::this_thread::sleep_for(std::chrono::milliseconds(10));
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continue;
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}
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LOG_INFO(_env, "shards found, proceeding");
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return;
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}
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}
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void _drainCDCSock() {
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int sock = _socks[0];
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struct sockaddr_in clientAddr;
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for (;;) {
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// Read one request
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memset(&clientAddr, 0, sizeof(clientAddr));
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socklen_t addrLen = sizeof(clientAddr);
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ssize_t read = recvfrom(sock, &_recvBuf[0], _recvBuf.size(), 0, (struct sockaddr*)&clientAddr, &addrLen);
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if (read < 0 && errno == EAGAIN) {
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return;
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}
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if (read < 0) {
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throw SYSCALL_EXCEPTION("recvfrom");
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}
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LOG_DEBUG(_env, "received CDC request from %s", clientAddr);
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BincodeBuf reqBbuf(&_recvBuf[0], read);
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// First, try to parse the header
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CDCRequestHeader reqHeader;
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try {
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reqHeader.unpack(reqBbuf);
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} catch (const BincodeException& err) {
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LOG_ERROR(_env, "could not parse: %s", err.what());
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RAISE_ALERT(_env, "could not parse request header from %s, dropping it.", clientAddr);
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continue;
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}
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LOG_DEBUG(_env, "received request id %s, kind %s", reqHeader.requestId, reqHeader.kind);
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// If this will be filled in with an actual code, it means that we couldn't process
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// the request.
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EggsError err = NO_ERROR;
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// Now, try to parse the body
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try {
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_cdcReqContainer.unpack(reqBbuf, reqHeader.kind);
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LOG_TRACE(_env, "parsed request: %s", _cdcReqContainer);
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} catch (const BincodeException& exc) {
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LOG_ERROR(_env, "could not parse: %s", exc.what());
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RAISE_ALERT(_env, "could not parse CDC request of kind %s from %s, will reply with error.", reqHeader.kind, clientAddr);
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err = EggsError::MALFORMED_REQUEST;
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}
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// Make sure nothing is left
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if (err == NO_ERROR && reqBbuf.remaining() != 0) {
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RAISE_ALERT(_env, "%s bytes remaining after parsing CDC request of kind %s from %s, will reply with error", reqBbuf.remaining(), reqHeader.kind, clientAddr);
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err = EggsError::MALFORMED_REQUEST;
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}
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if (err == NO_ERROR) {
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// If things went well, process the request
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LOG_DEBUG(_env, "CDC request %s successfully parsed, will now process", _cdcReqContainer.kind());
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uint64_t txnId = _shared.db.processCDCReq(true, eggsNow(), _advanceLogIndex(), _cdcReqContainer, _step);
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auto& inFlight = _inFlightTxns[txnId];
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inFlight.cdcRequestId = reqHeader.requestId;
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inFlight.clientAddr = clientAddr;
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inFlight.kind = reqHeader.kind;
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// Go forward
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_processStep(_step);
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} else {
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// Otherwise we can immediately reply with an error
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RAISE_ALERT(_env, "request %s failed before enqueue with error %s", _cdcReqContainer.kind(), err);
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_sendError(reqHeader.requestId, err, clientAddr);
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}
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}
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}
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void _drainShardSock(ShardId shid) {
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for (;;) {
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int sock = _socks[(int)shid.u8 + 1];
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ssize_t read = recv(sock, &_recvBuf[0], _recvBuf.size(), 0);
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if (read < 0 && errno == EAGAIN) {
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return;
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}
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if (read < 0) {
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throw SYSCALL_EXCEPTION("recv");
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}
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LOG_DEBUG(_env, "received response from shard %s", shid);
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BincodeBuf reqBbuf(&_recvBuf[0], read);
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ShardResponseHeader respHeader;
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try {
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respHeader.unpack(reqBbuf);
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} catch (BincodeException err) {
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LOG_ERROR(_env, "could not parse: %s", err.what());
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RAISE_ALERT(_env, "could not parse response header, dropping response");
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continue;
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}
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LOG_DEBUG(_env, "received response id %s, kind %s", respHeader.requestId, respHeader.kind);
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// Note that below we just let the BincodeExceptions propagate upwards since we
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// control all the code in this codebase, and the header is good, and we're a
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// bit lazy.
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// If it's not the request we wanted, skip
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if (!_inFlightShardReq) {
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LOG_INFO(_env, "got unexpected shard request id %s, kind %s, from shard %s, dropping", respHeader.requestId, respHeader.kind, shid);
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continue;
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}
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if (_inFlightShardReq->shardRequestId != respHeader.requestId) {
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LOG_INFO(_env, "got unexpected shard request id %s (expected %s), kind %s, from shard %s, dropping", respHeader.requestId, _inFlightShardReq->shardRequestId, respHeader.kind, shid);
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continue;
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}
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uint64_t txnId = _inFlightShardReq->txnId;
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// We can forget about this, we're going to process it right now
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_inFlightShardReq.reset();
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// We got an error
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if (respHeader.kind == (ShardMessageKind)0) {
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EggsError err = reqBbuf.unpackScalar<EggsError>();
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_handleShardError(shid, err);
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continue;
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}
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// Otherwise, parse the body
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_shardRespContainer.unpack(reqBbuf, respHeader.kind);
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LOG_TRACE(_env, "parsed shard response: %s", _shardRespContainer);
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ALWAYS_ASSERT(reqBbuf.remaining() == 0);
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// If all went well, advance with the newly received request
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LOG_DEBUG(_env, "successfully parsed shard response %s with kind %s, will now process", respHeader.requestId, respHeader.kind);
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_shared.db.processShardResp(true, eggsNow(), _advanceLogIndex(), NO_ERROR, &_shardRespContainer, _step);
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_processStep(_step);
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}
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}
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void _handleShardError(ShardId shid, EggsError err) {
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RAISE_ALERT(_env, "got shard error %s from shard %s", err, shid);
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_shared.db.processShardResp(true, eggsNow(), _advanceLogIndex(), err, nullptr, _step);
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_processStep(_step);
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}
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void _processStep(const CDCStep& step) {
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LOG_DEBUG(_env, "processing step %s", step);
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if (step.txnFinished != 0) {
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LOG_DEBUG(_env, "txn %s finished", step.txnFinished);
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// we need to send the response back to the client
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auto inFlight = _inFlightTxns.find(step.txnFinished);
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if (inFlight == _inFlightTxns.end()) {
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RAISE_ALERT(_env, "Could not find in-flight request %s, this might be because the CDC was restarted in the middle of a transaction.", step.txnFinished);
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} else {
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if (step.err != NO_ERROR) {
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RAISE_ALERT(_env, "txn %s, req id %s, finished with error %s", step.txnFinished, inFlight->second.cdcRequestId, step.err);
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_sendError(inFlight->second.cdcRequestId, step.err, inFlight->second.clientAddr);
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} else {
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LOG_DEBUG(_env, "sending response with req id %s, kind %s, back to %s", inFlight->second.cdcRequestId, inFlight->second.kind, inFlight->second.clientAddr);
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BincodeBuf bbuf(&_sendBuf[0], _sendBuf.size());
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CDCResponseHeader respHeader(inFlight->second.cdcRequestId, inFlight->second.kind);
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respHeader.pack(bbuf);
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step.resp.pack(bbuf);
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_send(_socks[0], inFlight->second.clientAddr, (const char*)bbuf.data, bbuf.len());
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}
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_inFlightTxns.erase(inFlight);
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}
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}
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if (step.txnNeedsShard != 0) {
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LOG_TRACE(_env, "txn %s needs shard %s, req %s", step.txnNeedsShard, step.shardReq.shid, step.shardReq.req);
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BincodeBuf bbuf(&_sendBuf[0], _sendBuf.size());
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// Header
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ShardRequestHeader shardReqHeader;
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shardReqHeader.requestId = _shardRequestIdCounter;
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_shardRequestIdCounter++;
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shardReqHeader.kind = step.shardReq.req.kind();
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shardReqHeader.pack(bbuf);
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// Body
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step.shardReq.req.pack(bbuf);
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// MAC, if necessary
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if (isPrivilegedRequestKind(shardReqHeader.kind)) {
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bbuf.packFixedBytes<8>({cbcmac(_expandedCDCKey, bbuf.data, bbuf.len())});
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}
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// Send
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struct sockaddr_in shardAddr;
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memset(&shardAddr, 0, sizeof(shardAddr));
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_shared.shardsMutex.lock();
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ShardInfo shardInfo = _shared.shards[step.shardReq.shid.u8];
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_shared.shardsMutex.unlock();
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shardAddr.sin_family = AF_INET;
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shardAddr.sin_port = htons(shardInfo.port);
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static_assert(sizeof(shardAddr.sin_addr) == sizeof(shardInfo.ip));
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memcpy(&shardAddr.sin_addr, shardInfo.ip.data.data(), sizeof(shardAddr.sin_addr));
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LOG_DEBUG(_env, "sending request with req id %s to shard %s (%s)", shardReqHeader.requestId, step.shardReq.shid, shardAddr);
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_send(_socks[(int)step.shardReq.shid.u8 + 1], shardAddr, (const char*)bbuf.data, bbuf.len());
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// Record the in-flight req
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ALWAYS_ASSERT(!_inFlightShardReq);
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auto& inFlight = _inFlightShardReq.emplace();
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inFlight.shardRequestId = shardReqHeader.requestId;
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inFlight.sentAt = eggsNow();
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inFlight.txnId = step.txnNeedsShard;
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inFlight.shid = step.shardReq.shid;
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}
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if (step.nextTxn != 0) {
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LOG_DEBUG(_env, "we have txn %s lined up, starting it", step.nextTxn);
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_shared.db.startNextTransaction(true, eggsNow(), _advanceLogIndex(), _step);
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_processStep(_step);
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}
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}
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void _sendError(uint64_t requestId, EggsError err, struct sockaddr_in& clientAddr) {
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BincodeBuf respBbuf(&_sendBuf[0], _sendBuf.size());
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CDCResponseHeader(requestId, CDCMessageKind::ERROR).pack(respBbuf);
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respBbuf.packScalar<uint16_t>((uint16_t)err);
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// We're sending an error back to a user, so always send it from the CDC sock.
|
|
_send(_socks[0], clientAddr, (const char*)respBbuf.data, respBbuf.len());
|
|
LOG_DEBUG(_env, "sent error %s to %s", err, clientAddr);
|
|
}
|
|
|
|
void _send(int sock, struct sockaddr_in& dest, const char* data, size_t len) {
|
|
// TODO we might very well get EAGAIN here since these are non-blocking sockets.
|
|
// We should probably come up with a better strategy regarding writing stuff out,
|
|
// but, being a bit lazy for now.
|
|
if (sendto(sock, data, len, 0, (struct sockaddr*)&dest, sizeof(dest)) != len) {
|
|
throw SYSCALL_EXCEPTION("sendto");
|
|
}
|
|
}
|
|
|
|
uint64_t _advanceLogIndex() {
|
|
return ++_currentLogIndex;
|
|
}
|
|
};
|
|
|
|
static void* runCDCServer(void* server) {
|
|
((CDCServer*)server)->run();
|
|
return nullptr;
|
|
}
|
|
|
|
struct CDCShardUpdater : Undertaker::Reapable {
|
|
Env _env;
|
|
CDCShared& _shared;
|
|
std::string _shuckleHost;
|
|
uint16_t _shucklePort;
|
|
public:
|
|
CDCShardUpdater(Logger& logger, const CDCOptions& options, CDCShared& shared):
|
|
_env(logger, "shard_updater"),
|
|
_shared(shared),
|
|
_shuckleHost(options.shuckleHost),
|
|
_shucklePort(options.shucklePort)
|
|
{}
|
|
|
|
virtual ~CDCShardUpdater() = default;
|
|
|
|
virtual void terminate() override {
|
|
_env.flush();
|
|
_shared.stop.store(true);
|
|
}
|
|
|
|
virtual void onAbort() override {
|
|
_env.flush();
|
|
}
|
|
|
|
void run() {
|
|
EggsTime successfulIterationAt = 0;
|
|
auto shards = std::make_unique<std::array<ShardInfo, 256>>();
|
|
for (;;) {
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
if (_shared.stop.load()) {
|
|
return;
|
|
}
|
|
auto now = eggsNow();
|
|
if (now - successfulIterationAt < 1_mins) {
|
|
continue;
|
|
}
|
|
LOG_INFO(_env, "Last successful shard fetch was at %s, now we're at %s, fetching again", successfulIterationAt, now);
|
|
std::string err = fetchShards(_shuckleHost, _shucklePort, 100_ms, *shards);
|
|
if (!err.empty()) {
|
|
LOG_INFO(_env, "failed to reach shuckle at %s:%s to fetch shards, will retry: %s", _shuckleHost, _shucklePort, err);
|
|
EggsTime successfulIterationAt = 0;
|
|
continue;
|
|
}
|
|
bool badShard = false;
|
|
for (int i = 0; i < shards->size(); i++) {
|
|
if (shards->at(i).port == 0) {
|
|
badShard = true;
|
|
break;
|
|
}
|
|
}
|
|
if (badShard) {
|
|
EggsTime successfulIterationAt = 0;
|
|
continue;
|
|
}
|
|
{
|
|
const std::lock_guard<std::mutex> lock(_shared.shardsMutex);
|
|
for (int i = 0; i < shards->size(); i++) {
|
|
_shared.shards[i] = shards->at(i);
|
|
}
|
|
}
|
|
LOG_INFO(_env, "successfully fetched all shards from shuckle, will wait one minute");
|
|
successfulIterationAt = eggsNow();
|
|
}
|
|
}
|
|
};
|
|
|
|
static void* runCDCShardUpdater(void* server) {
|
|
((CDCShardUpdater*)server)->run();
|
|
return nullptr;
|
|
}
|
|
|
|
struct CDCRegisterer : Undertaker::Reapable {
|
|
Env _env;
|
|
CDCShared& _shared;
|
|
std::array<uint8_t, 4> _ownIp;
|
|
std::string _shuckleHost;
|
|
uint16_t _shucklePort;
|
|
public:
|
|
CDCRegisterer(Logger& logger, const CDCOptions& options, CDCShared& shared):
|
|
_env(logger, "registerer"),
|
|
_shared(shared),
|
|
_ownIp(options.ownIp),
|
|
_shuckleHost(options.shuckleHost),
|
|
_shucklePort(options.shucklePort)
|
|
{}
|
|
|
|
virtual ~CDCRegisterer() = default;
|
|
|
|
virtual void terminate() override {
|
|
_env.flush();
|
|
_shared.stop.store(true);
|
|
}
|
|
|
|
virtual void onAbort() override {
|
|
_env.flush();
|
|
}
|
|
|
|
void run() {
|
|
EggsTime successfulIterationAt = 0;
|
|
for (;;) {
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
if (_shared.stop.load()) {
|
|
return;
|
|
}
|
|
if (eggsNow() - successfulIterationAt < 1_mins) {
|
|
continue;
|
|
}
|
|
uint16_t port = _shared.ownPort.load();
|
|
if (port == 0) {
|
|
// shard server isn't up yet
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
continue;
|
|
}
|
|
LOG_INFO(_env, "Registering ourselves (CDC, port %s) with shuckle", port);
|
|
CDCStatus status;
|
|
_shared.db.status(status);
|
|
std::string err = registerCDC(_shuckleHost, _shucklePort, 100_ms, _ownIp, port, status);
|
|
if (!err.empty()) {
|
|
RAISE_ALERT(_env, "Couldn't register ourselves with shuckle: %s", err);
|
|
EggsTime successfulIterationAt = 0;
|
|
continue;
|
|
}
|
|
LOG_INFO(_env, "Successfully registered with shuckle, will register again in one minute");
|
|
successfulIterationAt = eggsNow();
|
|
}
|
|
}
|
|
};
|
|
|
|
static void* runCDCRegisterer(void* server) {
|
|
((CDCRegisterer*)server)->run();
|
|
return nullptr;
|
|
}
|
|
|
|
void runCDC(const std::string& dbDir, const CDCOptions& options) {
|
|
auto undertaker = Undertaker::acquireUndertaker();
|
|
|
|
std::ostream* logOut = &std::cout;
|
|
std::ofstream fileOut;
|
|
if (!options.logFile.empty()) {
|
|
fileOut = std::ofstream(options.logFile, std::ios::out | std::ios::app);
|
|
if (!fileOut.is_open()) {
|
|
throw EGGS_EXCEPTION("Could not open log file `%s'\n", options.logFile);
|
|
}
|
|
logOut = &fileOut;
|
|
}
|
|
Logger logger(options.logLevel, *logOut);
|
|
|
|
{
|
|
Env env(logger, "startup");
|
|
LOG_INFO(env, "Running CDC with options:");
|
|
LOG_INFO(env, " level = %s", options.logLevel);
|
|
LOG_INFO(env, " logFile = '%s'", options.logFile);
|
|
LOG_INFO(env, " port = %s", options.port);
|
|
LOG_INFO(env, " shuckleHost = '%s'", options.shuckleHost);
|
|
LOG_INFO(env, " shucklePort = %s", options.shucklePort);
|
|
{
|
|
char ip[INET_ADDRSTRLEN];
|
|
LOG_INFO(env, " ownIp = %s", inet_ntop(AF_INET, &options.ownIp, ip, INET_ADDRSTRLEN));
|
|
}
|
|
}
|
|
|
|
CDCDB db(logger, dbDir);
|
|
auto shared = std::make_unique<CDCShared>(db);
|
|
|
|
{
|
|
auto server = std::make_unique<CDCServer>(logger, options, *shared);
|
|
pthread_t tid;
|
|
if (pthread_create(&tid, nullptr, &runCDCServer, &*server) != 0) {
|
|
throw SYSCALL_EXCEPTION("pthread_create");
|
|
}
|
|
undertaker->checkin(std::move(server), tid, "server");
|
|
}
|
|
|
|
{
|
|
auto server = std::make_unique<CDCShardUpdater>(logger, options, *shared);
|
|
pthread_t tid;
|
|
if (pthread_create(&tid, nullptr, &runCDCShardUpdater, &*server) != 0) {
|
|
throw SYSCALL_EXCEPTION("pthread_create");
|
|
}
|
|
undertaker->checkin(std::move(server), tid, "shard_updater");
|
|
}
|
|
|
|
{
|
|
auto server = std::make_unique<CDCRegisterer>(logger, options, *shared);
|
|
pthread_t tid;
|
|
if (pthread_create(&tid, nullptr, &runCDCRegisterer, &*server) != 0) {
|
|
throw SYSCALL_EXCEPTION("pthread_create");
|
|
}
|
|
undertaker->checkin(std::move(server), tid, "registerer");
|
|
}
|
|
|
|
undertaker->reap();
|
|
} |