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IPv4: Use the UDP-to-socket map to handle incoming UDP packets.
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parent
209a16bb7f
commit
3ad9561b80
Notes:
sideshowbarker
2024-07-19 15:04:07 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/3ad9561b80f
@ -50,8 +50,14 @@ IPv4Socket::IPv4Socket(int type, int protocol)
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IPv4Socket::~IPv4Socket()
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{
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{
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LOCKER(all_sockets().lock());
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all_sockets().resource().remove(this);
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}
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if (type() == SOCK_DGRAM) {
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LOCKER(sockets_by_udp_port().lock());
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sockets_by_udp_port().resource().remove(m_source_port);
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}
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}
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bool IPv4Socket::get_address(sockaddr* address, socklen_t* address_size)
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@ -128,6 +134,7 @@ void IPv4Socket::allocate_source_port_if_needed()
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auto it = sockets_by_udp_port().resource().find(port);
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if (it == sockets_by_udp_port().resource().end()) {
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m_source_port = port;
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sockets_by_udp_port().resource().set(port, this);
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return;
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}
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}
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@ -229,14 +229,18 @@ void handle_udp(const EthernetFrameHeader& eth, int frame_size)
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);
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#endif
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LOCKER(IPv4Socket::all_sockets().lock());
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for (RetainPtr<IPv4Socket> socket : IPv4Socket::all_sockets().resource()) {
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LOCKER(socket->lock());
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if (socket->type() != SOCK_DGRAM)
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continue;
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if (socket->source_port() != udp_packet.destination_port())
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continue;
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socket->did_receive(ByteBuffer::copy((const byte*)&ipv4_packet, sizeof(IPv4Packet) + ipv4_packet.payload_size()));
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RetainPtr<IPv4Socket> socket;
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{
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LOCKER(IPv4Socket::sockets_by_udp_port().lock());
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auto it = IPv4Socket::sockets_by_udp_port().resource().find(udp_packet.destination_port());
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if (it == IPv4Socket::sockets_by_udp_port().resource().end())
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return;
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ASSERT((*it).value);
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socket = *(*it).value;
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}
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LOCKER(socket->lock());
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ASSERT(socket->type() == SOCK_DGRAM);
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ASSERT(socket->source_port() == udp_packet.destination_port());
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socket->did_receive(ByteBuffer::copy((const byte*)&ipv4_packet, sizeof(IPv4Packet) + ipv4_packet.payload_size()));
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}
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