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| | | */ |
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| | | #include "msg.h" |
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| | | #include "bh_util.h" |
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| | | #include "defs.h" |
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| | | #include "socket.h" |
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| | | |
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| | | namespace bhome_msg |
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| | | { |
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| | | const uint32_t kMsgTag = 0xf1e2d3c4; |
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| | | |
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| | | ShmSocket &ShmMsg::Sender() |
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| | | { |
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| | | static auto &mq = GetCenterInfo(shm())->mq_sender_; |
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| | | static ShmSocket sender(mq.offset_, shm(), mq.id_); |
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| | | return sender; |
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| | | } |
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| | | |
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| | | int ShmMsg::Release() |
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| | | { |
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| | | if (!valid()) { |
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| | | return 0; |
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| | | } |
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| | | auto n = meta()->count_.Dec(); |
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| | | if (n == 0) { |
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| | | if (meta()->managed_) { |
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| | | int64_t free_cmd = (id() << 4) | EncodeCmd(eCmdFree); |
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| | | Sender().Send(BHTopicCenterAddress(), free_cmd); |
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| | | } else { |
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| | | Free(); |
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| | | } |
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| | | } else if (n < 0) { |
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| | | LOG_FATAL() << "error double release data."; |
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| | | throw std::runtime_error("double release msg."); |
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| | | } |
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| | | return n; |
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| | | } |
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| | | |
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| | | void ShmMsg::Free() |
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| | | { |
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| | | assert(valid()); |
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| | | shm().Dealloc(meta()); |
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| | | offset_ = 0; |
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| | | assert(!valid()); |
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| | | } |
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| | | } // namespace bhome_msg |
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