[173] | 1 | // C++ PacketBuffer |
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[196] | 2 | // d |
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[173] | 3 | // Author Oliver Scheuss |
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[196] | 4 | |
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| 5 | #ifndef NETWORK_PACKETBUFFER_CC |
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| 6 | #define NETWORK_PACKETBUFFER_CC |
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| 7 | |
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[173] | 8 | #include <iostream> |
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[285] | 9 | #include "PacketBuffer.h" |
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[173] | 10 | |
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| 11 | namespace network{ |
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[285] | 12 | |
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[196] | 13 | boost::mutex networkPacketBufferMutex; |
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[285] | 14 | |
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[173] | 15 | PacketBuffer::PacketBuffer(){ |
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[174] | 16 | closed=false; |
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[173] | 17 | first=NULL; |
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| 18 | last=NULL; |
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| 19 | } |
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[196] | 20 | //this is needed in order to make the packetbuffer threadsafe |
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[173] | 21 | |
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[285] | 22 | |
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[204] | 23 | bool PacketBuffer::push(ENetEvent *ev){ |
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[174] | 24 | boost::mutex::scoped_lock lock(networkPacketBufferMutex); |
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[188] | 25 | // if(closed) |
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| 26 | // return false; |
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[174] | 27 | // first element? |
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| 28 | if(first==NULL){ |
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| 29 | first=new QueueItem; |
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| 30 | last=first; |
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| 31 | last->next=NULL; |
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| 32 | // change this!!!!!!! |
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[204] | 33 | last->packet = ev->packet; |
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| 34 | last->address = ev->peer->address; |
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[188] | 35 | } else { |
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[174] | 36 | //insert a new element at the bottom |
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| 37 | last->next = new QueueItem; |
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| 38 | last=last->next; |
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| 39 | // initialize last->next |
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| 40 | last->next=NULL; |
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| 41 | // save the packet to the new element |
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[204] | 42 | last->packet = ev->packet; |
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| 43 | last->address = ev->peer->address; |
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[173] | 44 | } |
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[174] | 45 | return true; |
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[173] | 46 | } |
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| 47 | |
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[188] | 48 | ENetPacket *PacketBuffer::pop(){ |
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[174] | 49 | boost::mutex::scoped_lock lock(networkPacketBufferMutex); |
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[188] | 50 | if(first!=NULL /*&& !closed*/){ |
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[173] | 51 | QueueItem *temp = first; |
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| 52 | // get packet |
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[188] | 53 | ENetPacket *pck=first->packet; |
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[173] | 54 | // remove first element |
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| 55 | first = first->next; |
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| 56 | delete temp; |
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[188] | 57 | return pck; |
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[174] | 58 | } else{ |
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[188] | 59 | return NULL; |
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[174] | 60 | } |
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[173] | 61 | } |
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| 62 | |
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[204] | 63 | ENetPacket *PacketBuffer::pop(ENetAddress &address){ |
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| 64 | boost::mutex::scoped_lock lock(networkPacketBufferMutex); |
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| 65 | if(first!=NULL /*&& !closed*/){ |
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| 66 | QueueItem *temp = first; |
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| 67 | // get packet |
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| 68 | ENetPacket *pck=first->packet; |
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| 69 | address = first->address; |
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| 70 | // remove first element |
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| 71 | first = first->next; |
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| 72 | delete temp; |
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| 73 | return pck; |
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| 74 | } else{ |
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| 75 | return NULL; |
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| 76 | } |
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| 77 | } |
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| 78 | |
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[173] | 79 | bool PacketBuffer::isEmpty(){ |
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| 80 | return (first==NULL); |
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| 81 | } |
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| 82 | |
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| 83 | void PacketBuffer::print(){ |
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| 84 | QueueItem *temp=first; |
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| 85 | while(temp!=NULL){ |
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[204] | 86 | // std::cout << temp->packet->data << std::endl; |
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[173] | 87 | temp=temp->next; |
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| 88 | } |
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[285] | 89 | |
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[173] | 90 | } |
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| 91 | |
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[174] | 92 | bool PacketBuffer::isClosed(){ |
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| 93 | return closed; |
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| 94 | } |
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| 95 | |
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| 96 | void PacketBuffer::setClosed(bool value){ |
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| 97 | closed=value; |
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| 98 | return; |
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| 99 | } |
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| 100 | |
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[173] | 101 | }// namespace network |
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[196] | 102 | |
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| 103 | #endif |
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