author | terom |
Wed, 17 Dec 2008 00:40:22 +0000 | |
changeset 381 | 9b35bc329d23 |
parent 380 | d193dd1d8a7e |
permissions | -rw-r--r-- |
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#include "UDP.hh" |
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#include "../Engine.hh" |
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#include <ClanLib/core.h> |
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#include <cassert> |
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NetworkUDP::NetworkUDP (void) : |
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socket(AF_UNSPEC, SOCK_DGRAM) |
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{ |
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// do not bind |
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// connect signal |
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slots.connect(socket.sig_read(), this, &NetworkUDP::on_recv); |
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// nonblocking |
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socket.set_nonblocking(true); |
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// activate polling |
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socket.set_poll_read(true); |
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} |
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NetworkUDP::NetworkUDP (const NetworkEndpoint &bind_addr) : |
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socket(AF_UNSPEC, SOCK_DGRAM) { |
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// bind socket |
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socket.bind(bind_addr); |
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// connect signal |
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slots.connect(socket.sig_read(), this, &NetworkUDP::on_recv); |
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// nonblocking |
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socket.set_nonblocking(true); |
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// activate polling |
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socket.set_poll_read(true); |
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} |
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void NetworkUDP::on_recv (void) { |
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size_t ret; |
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NetworkPacket pkt; |
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NetworkAddress src; |
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// receieve as many packets as possible |
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do { |
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// attempt to recv a packet |
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ret = socket.recv(pkt.get_buf(), pkt.get_buf_size(), &src); |
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// no more packets? |
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if (ret == 0) |
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return; |
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// set packet data size |
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pkt.set_data_size(ret); |
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// handle packet |
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_sig_packet(pkt, src); |
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} while (true); |
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} |
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bool NetworkUDP::sendto (const NetworkPacketBuffer &packet, const NetworkAddress &dst) { |
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size_t ret; |
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try { |
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// try and send |
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ret = socket.send(packet.get_buf(), packet.get_data_size(), &dst); |
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} catch (NetworkSocketError &e) { |
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// catch and log errors |
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Engine::log(WARN, "udp.sendto") << "socket->send raised error: " << e.what(); |
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return false; |
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} |
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// weird packet size? |
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if (ret != packet.get_data_size()) { |
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Engine::log(ERROR, "udp.sendto") << "socket->send returned weird length: " << ret << ", packet was " << packet.get_data_size(); |
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return false; |
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} else { |
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// sent |
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return true; |
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} |
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} |
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