[637] | 1 | #include "input_pin.hpp" |
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[1021] | 2 | #include "output_pin.hpp" |
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[639] | 3 | #include "garbage_collector.hpp" |
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[637] | 4 | #include "exception.hpp" |
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| 5 | |
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| 6 | namespace xios |
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| 7 | { |
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[639] | 8 | CInputPin::CInputPin(CGarbageCollector& gc, size_t slotsCount) |
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| 9 | : gc(gc) |
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| 10 | , slotsCount(slotsCount) |
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[1021] | 11 | , triggers(slotsCount) |
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| 12 | , hasTriggers(false) |
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[637] | 13 | { /* Nothing to do */ } |
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| 14 | |
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| 15 | void CInputPin::setInput(size_t inputSlot, CDataPacketPtr packet) |
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| 16 | { |
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| 17 | if (inputSlot >= slotsCount) |
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| 18 | ERROR("void CInputPin::setInput(size_t inputSlot, CDataPacketPtr packet)", |
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| 19 | "The input slot " << inputSlot << " does not exist."); |
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| 20 | if (!packet) |
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| 21 | ERROR("void CInputPin::setInput(size_t inputSlot, CDataPacketPtr packet)", |
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| 22 | "The packet cannot be null."); |
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| 23 | |
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| 24 | std::map<Time, InputBuffer>::iterator it = inputs.find(packet->timestamp); |
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| 25 | if (it == inputs.end()) |
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[639] | 26 | { |
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[637] | 27 | it = inputs.insert(std::make_pair(packet->timestamp, InputBuffer(slotsCount))).first; |
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[1021] | 28 | gc.registerObject(this, packet->timestamp); |
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[639] | 29 | } |
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[637] | 30 | it->second.slotsFilled++; |
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| 31 | it->second.packets[inputSlot] = packet; |
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| 32 | |
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| 33 | if (it->second.slotsFilled == slotsCount) |
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| 34 | { |
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[639] | 35 | // Unregister before calling onInputReady in case the filter registers again |
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[1021] | 36 | gc.unregisterObject(this, packet->timestamp); |
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[637] | 37 | onInputReady(it->second.packets); |
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| 38 | inputs.erase(it); |
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| 39 | } |
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| 40 | } |
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[639] | 41 | |
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[1021] | 42 | void CInputPin::setInputTrigger(size_t inputSlot, COutputPin* trigger) |
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| 43 | { |
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| 44 | if (inputSlot >= slotsCount) |
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| 45 | ERROR("void CInputPin::setInputTrigger(size_t inputSlot, COutputPin* trigger)", |
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| 46 | "The input slot " << inputSlot << " does not exist."); |
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| 47 | if (triggers[inputSlot]) |
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| 48 | ERROR("void CInputPin::setInputTrigger(size_t inputSlot, COutputPin* trigger)", |
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| 49 | "The trigger for input slot " << inputSlot << " has already been set."); |
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| 50 | |
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| 51 | triggers[inputSlot] = trigger; |
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| 52 | hasTriggers = true; |
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| 53 | } |
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| 54 | |
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| 55 | void CInputPin::trigger(Time timestamp) |
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| 56 | { |
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| 57 | if (hasTriggers) // Don't use canBeTriggered here, this function is virtual and can be overriden |
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| 58 | { |
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| 59 | std::map<Time, InputBuffer>::iterator it = inputs.find(timestamp); |
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| 60 | bool nothingReceived = (it == inputs.end()); |
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| 61 | |
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| 62 | for (size_t s = 0; s < slotsCount; s++) |
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| 63 | { |
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| 64 | if (triggers[s] && (nothingReceived || !it->second.packets[s])) |
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| 65 | triggers[s]->trigger(timestamp); |
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| 66 | } |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | bool CInputPin::canBeTriggered() const |
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| 71 | { |
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| 72 | return hasTriggers; |
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| 73 | } |
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| 74 | |
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[639] | 75 | void CInputPin::invalidate(Time timestamp) |
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| 76 | { |
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| 77 | inputs.erase(inputs.begin(), inputs.lower_bound(timestamp)); |
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| 78 | } |
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[637] | 79 | } // namespace xios |
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