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| /*
| * =====================================================================================
| *
| * Filename: defs.cpp
| *
| * Description:
| *
| * Version: 1.0
| * Created: 2021年04月06日 19时23分14秒
| * Revision: none
| * Compiler: gcc
| *
| * Author: Li Chao (),
| * Organization:
| *
| * =====================================================================================
| */
| #include "defs.h"
| #include "msg.h"
| #include "shm_msg_queue.h"
| #include "socket.h"
| #include <boost/uuid/random_generator.hpp>
| #include <boost/uuid/string_generator.hpp>
| #include <boost/uuid/uuid.hpp>
|
| namespace
| {
|
| struct LastError {
| int ec_ = 0;
| std::string msg_;
| };
|
| LastError &LastErrorStore()
| {
| thread_local LastError le;
| return le;
| }
|
| constexpr int64_t AllocSizeIndex[] = {
| 16, 24, 32, 40, 48, 56, 64, 72,
| 80, 88, 96, 104, 120, 136, 152, 168,
| 184, 200, 224, 248, 272, 296, 328, 360,
| 392, 432, 472, 520, 568, 624, 680, 744,
| 816, 896, 984, 1080, 1184, 1296, 1416, 1544,
| 1688, 1848, 2016, 2200, 2400, 2624, 2864, 3128,
| 3416, 3728, 4072, 4448, 4856, 5304, 5792, 6320,
| 6896, 7528, 8216, 8968, 9784, 10680, 11656, 12720,
| 13880, 15144, 16520, 18024, 19664, 21456, 23408, 25536,
| 27864, 30400, 33168, 36184, 39480, 43072, 46992, 51264,
| 55928, 61016, 66568, 72624, 79232, 86440, 94304, 102880,
| 112232, 122440, 133576, 145720, 158968, 173424, 189192, 206392,
| 225160, 245632, 267968, 292328, 318904, 347896, 379528, 414032,
| 451672, 492736, 537536, 586408, 639720, 697880, 761328, 830544,
| 906048, 988416, 1078272, 1176296, 1283232, 1399896, 1527160, 1665992,
| 1817448, 1982672, 2162920, 2359552, 2574056, 2808064, 3063344, 3341832,
| 3645640, 3977064, 4338616, 4733040, 5163320, 5632712, 6144776, 6703392,
| 7312792, 7977592, 8702832, 9494000, 10357096, 11298656, 12325808, 13446336,
| 14668736, 16002264, 17457016, 19044024, 20775304, 22663968, 24724328, 26972000,
| 29424000, 32098912, 35017000, 38200368, 41673128, 45461600, 49594472, 54103064,
| 59021528, 64387128, 70240504, 76626008, 83592008, 91191288, 99481408, 108525176,
| 118391104, 129153936, 140895208, 153703864, 167676944, 182920304, 199549424, 217690280,
| 237480312, 259069432, 282621200, 308314040, 336342592, 366919192, 400275488, 436664168,
| 476360912, 519666456, 566908864, 618446040, 674668408, 736001904, 802911168, 875903096,
| 955530656, 1042397080, 1137160456, 1240538680, 1353314928, 1476343560, 1610556616, 1756970856,
| 1916695480, 2090940528, 2281026032, 2488392040, 2714609504, 2961392192, 3230609664, 3524301456,
| 3844692504, 4194210008, 4575501832, 4991456544, 5445225320, 5940245808, 6480268160, 7069383448,
| 7712054672, 8413150552, 9177982424, 10012344464, 10922557600, 11915517384, 12998746240, 14180450448,
| 15469582312, 16875907976, 18410081432, 20083725200, 21909518400, 23901292800, 26074137600, 28444513752,
| 31030378640, 33851322152, 36928715080, 40285871000, 43948222912, 47943515904, 52302017352, 57056746208,
| 62243723136, 67902243424, 74075174648, 80809281440, 88155579752, 96169723368, 104912425496, 114449918728,
| 124854456800, 136204861968, 148587122152, 162095042352, 176830955296, 192906496688, 210443450936, 229574673752};
|
| const int kAllocIndexLen = sizeof(AllocSizeIndex) / sizeof(AllocSizeIndex[0]);
| static_assert(kAllocIndexLen == 256, "Make sure alloc 8 bit is enough.");
| static_assert(AllocSizeIndex[255] > uint32_t(-1), "Make sure alloc size correct.");
|
| const int64_t kCenterInfoFixedAddress = 1024 * 4;
|
| const boost::uuids::uuid kCenterInfoTag = boost::uuids::string_generator()("fc5007bd-0e62-4d91-95dc-948cf1f02e5a");
| struct CenterMetaInfo {
| boost::uuids::uuid tag_;
| CenterInfo info_;
| };
|
| int64_t Addr(void *ptr) { return reinterpret_cast<int64_t>(ptr); }
| // void *Ptr(const int64_t offset) { return reinterpret_cast<void *>(offset); }
| template <class T = void>
| T *Ptr(const int64_t offset) { return reinterpret_cast<T *>(offset); }
|
| } // namespace
|
| CenterInfo *GetCenterInfo(bhome_shm::SharedMemory &shm)
| {
| auto pmeta = Ptr<CenterMetaInfo>(kCenterInfoFixedAddress + Addr(shm.get_address()));
| if (pmeta->tag_ == kCenterInfoTag) {
| return &pmeta->info_;
| }
| return nullptr;
| }
|
| // put center info at fixed memory position.
| // as boost shm find object (find socket/mq by id, etc...) also locks inside,
| // which node might crash inside and cause deadlock.
| bool CenterInit(bhome_shm::SharedMemory &shm)
| {
| Mutex *mutex = shm.Create<Mutex>("shm_center_lock");
| if (!mutex || !mutex->try_lock()) {
| return false;
| }
| DEFER1(mutex->unlock());
|
| auto pmeta = Ptr<CenterMetaInfo>(kCenterInfoFixedAddress + Addr(shm.get_address()));
| if (pmeta->tag_ == kCenterInfoTag) {
| return true;
| } else {
| auto base = Addr(shm.get_address());
| auto offset = kCenterInfoFixedAddress;
| void *p = shm.Alloc(offset * 2);
| if (Addr(p) - base <= offset) {
| pmeta = new (Ptr(offset + base)) CenterMetaInfo;
| auto &info = pmeta->info_;
|
| auto InitMQ = [&](auto &mq, auto &&id) {
| mq.id_ = id;
| ShmSocket tmp(shm, id, 16);
| mq.offset_ = tmp.AbsAddr();
| };
|
| int id = 100;
| auto NextId = [&]() { return ++id; };
| InitMQ(info.mq_sender_, NextId());
| InitMQ(info.mq_center_, NextId());
| InitMQ(info.mq_bus_, NextId());
|
| pmeta->tag_ = kCenterInfoTag;
| return true;
| }
| }
| return false;
| }
|
| const MQInfo &BHGlobalSenderAddress() { return GetCenterInfo(BHomeShm())->mq_sender_; }
| const MQInfo &BHTopicCenterAddress() { return GetCenterInfo(BHomeShm())->mq_center_; }
| const MQInfo &BHTopicBusAddress() { return GetCenterInfo(BHomeShm())->mq_bus_; }
| bool BHNodeInit(const int64_t request, int64_t &reply)
| {
| return GetCenterInfo(BHomeShm())->init_rr_.ClientRequest(request, reply);
| }
| void BHCenterHandleInit(std::function<int64_t(const int64_t)> const &onReq)
| {
| GetCenterInfo(BHomeShm())->init_rr_.ServerProcess(onReq);
| }
|
| int64_t CalcAllocIndex(int64_t size)
| {
| auto pos = std::lower_bound(AllocSizeIndex, AllocSizeIndex + kAllocIndexLen, size);
| return (pos == AllocSizeIndex + kAllocIndexLen) ? -1 : pos - AllocSizeIndex;
| }
|
| int64_t GetAllocSize(int index) { return index < kAllocIndexLen ? AllocSizeIndex[index] : 0; }
|
| std::string BHomeShmName()
| {
| return "bhome_default_shm_v0";
| }
| bhome_shm::SharedMemory &BHomeShm()
| {
| static bhome_shm::SharedMemory shm(BHomeShmName(), 1024 * 1024 * 512);
| return shm;
| }
|
| bool GlobalInit(bhome_shm::SharedMemory &shm)
| {
| MsgI::BindShm(shm);
| CenterInfo *pinfo = GetCenterInfo(shm);
| return pinfo && ShmMsgQueue::SetData(pinfo->mqid_);
| }
|
| void SetLastError(const int ec, const std::string &msg)
| {
| LastErrorStore().ec_ = ec;
| LastErrorStore().msg_ = msg;
| }
|
| void GetLastError(int &ec, std::string &msg)
| {
| ec = LastErrorStore().ec_;
| msg = LastErrorStore().msg_;
| }
|
|
