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Merge remote-tracking branch 'Kernel/master'
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EnderIce2
240
Kernel/network/network_controller.cpp
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240
Kernel/network/network_controller.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <net/nc.hpp>
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#include <net/ipv4.hpp>
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#include <net/dhcp.hpp>
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#include <net/eth.hpp>
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#include <net/arp.hpp>
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#include <net/ntp.hpp>
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#include <net/dns.hpp>
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#include <net/udp.hpp>
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#include <debug.h>
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#include "../kernel.h"
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/* FIXME: The functions MUST have little endian parameters and return values. */
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namespace NetworkInterfaceManager
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{
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std::vector<Events *> RegisteredEvents;
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NetworkInterface::NetworkInterface()
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{
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this->vma = new Memory::VirtualMemoryArea(nullptr);
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/* KernelCallback */
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// if (DriverManager->GetModules().size() > 0)
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// {
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// foreach (auto Driver in DriverManager->GetModules())
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// if (((FexExtended *)Driver.ExtendedHeaderAddress)->Driver.Type == FexDriverType::FexDriverType_Network)
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// this->FetchNetworkCards(Driver.modUniqueID);
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// }
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// else
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// KPrint("\eE85230No network drivers found! Cannot fetch network cards!");
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DbgNetwork();
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}
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NetworkInterface::~NetworkInterface()
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{
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debug("Destructor called");
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// Stop the network stack
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this->StopNetworkStack();
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// Unregister all events
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RegisteredEvents.clear();
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forItr(itr, Interfaces) delete *itr;
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Interfaces.clear();
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// Delete all interfaces and their callbacks and free the memory
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delete this->vma, this->vma = nullptr;
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}
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void NetworkInterface::FetchNetworkCards(unsigned long modUniqueID)
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{
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// KernelCallback cb{};
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// cb.Reason = QueryReason;
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// DriverManager->IOCB(modUniqueID, &cb);
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/* KernelCallback */
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DeviceInterface *Iface = (DeviceInterface *)vma->RequestPages(TO_PAGES(sizeof(DeviceInterface) + 1));
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// strcpy(Iface->Name, cb.NetworkCallback.Fetch.Name);
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Iface->ID = this->CardIDs++;
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// Iface->MAC.FromHex(cb.NetworkCallback.Fetch.MAC);
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Iface->DriverID = modUniqueID;
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Interfaces.push_back(Iface);
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foreach (auto var in RegisteredEvents)
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var->OnInterfaceAdded(Iface);
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debug("Network Card: %s; MAC: %#lx", Iface->Name, Iface->MAC.ToHex());
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}
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#ifdef DEBUG_NETWORK
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#define DbgWriteScreen(x, ...) KPrint(x, ##__VA_ARGS__)
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#else
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#define DbgWriteScreen(x, ...) debug(x, ##__VA_ARGS__)
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#endif
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void NetworkInterface::StartNetworkStack()
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{
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thisThread->SetPriority(Tasking::TaskPriority::Critical);
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DeviceInterface *DefaultDevice = nullptr;
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foreach (auto inf in Interfaces)
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{
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if (inf)
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{
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DefaultDevice = inf;
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break;
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}
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}
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if (!DefaultDevice)
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{
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error("No network device found!");
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KPrint("\eE85230No network device found!");
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thisThread->SetPriority(Tasking::TaskPriority::Idle);
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CPU::Halt(true);
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}
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KPrint("Using %s (%s) as the default network device",
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DefaultDevice->Name, DefaultDevice->MAC.ToString());
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NetworkEthernet::Ethernet *eth = new NetworkEthernet::Ethernet(DefaultDevice); // Use the first device found as the ethernet device
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NetworkARP::ARP *arp = new NetworkARP::ARP(eth);
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NetworkIPv4::IPv4 *ipv4 = new NetworkIPv4::IPv4(arp, eth);
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NetworkUDP::UDP *udp = new NetworkUDP::UDP(ipv4, DefaultDevice);
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NetworkUDP::Socket *DHCP_Socket = udp->Connect(InternetProtocol() /* Default value is 255.255.255.255 */, 67);
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NetworkDHCP::DHCP *dhcp = new NetworkDHCP::DHCP(DHCP_Socket, DefaultDevice);
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debug("eth: %p; arp: %p; ipv4: %p; udp: %p; dhcp: %p",
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eth, arp, ipv4, udp, dhcp);
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udp->Bind(DHCP_Socket, dhcp);
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dhcp->Request();
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DefaultDevice->IP.v4.FromHex(dhcp->IP.v4.ToHex());
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ipv4->SubNetworkMaskIP = dhcp->SubNetworkMask;
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ipv4->GatewayIP = dhcp->Gateway;
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arp->Broadcast(dhcp->Gateway);
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TaskManager->Sleep(200);
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DbgWriteScreen("IP: %s", dhcp->IP.v4.ToStringLittleEndian());
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DbgWriteScreen("SubNetwork Mask: %s", dhcp->SubNetworkMask.v4.ToStringLittleEndian());
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DbgWriteScreen("Gateway: %s", dhcp->Gateway.v4.ToStringLittleEndian());
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DbgWriteScreen("DNS: %s", dhcp->DomainNameSystem.v4.ToStringLittleEndian());
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TaskManager->Sleep(200);
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/* TODO: This is a quick workaround we need DNS resolver asap.
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https://tf.nist.gov/tf-cgi/servers.cgi
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https://www.ntppool.org
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- 0.ro.pool.ntp.org ( {86, 127, 71, 168} )
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- time-a-g.nist.gov ( {129, 6, 15, 28} )
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*/
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// InternetProtocol ip = {.v4 = {.Address = {129, 6, 15, 28}},
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// .v6 = {.Address = {}}};
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// NetworkUDP::Socket *NTP_Socket = udp->Connect(ip, 123);
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// NetworkNTP::NTP *ntp = new NetworkNTP::NTP(NTP_Socket);
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// udp->Bind(NTP_Socket, ntp);
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// int UnixTimestamp = ntp->ReadTime();
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// Time::Clock time = Time::ConvertFromUnix(UnixTimestamp);
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// DbgWriteScreen("NTP: %d - %d.%d.%d %d:%d:%d", time.Counter,
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// time.Day, time.Month, time.Year,
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// time.Hour, time.Minute, time.Second);
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TaskManager->Sleep(200);
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/* TODO: Store everything in an vector and initialize all network cards */
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thisThread->SetPriority(Tasking::TaskPriority::Idle);
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CPU::Halt(true);
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}
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void NetworkInterface::StopNetworkStack()
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{
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fixme("Stop network stack");
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}
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void CallStartNetworkStackWrapper()
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{
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// NIManager->StartNetworkStack();
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assert(!"Function not implemented");
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}
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void NetworkInterface::StartService()
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{
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this->NetSvcThread = TaskManager->CreateThread(thisProcess, Tasking::IP(CallStartNetworkStackWrapper));
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this->NetSvcThread->Rename("Network Service");
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}
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void NetworkInterface::DrvSend(unsigned int DriverID, unsigned char *Data, unsigned short Size)
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{
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// foreach (auto inf in this->Interfaces)
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// if (inf->DriverID == DriverID)
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// NIManager->Send(inf, Data, Size);
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assert(!"Function not implemented");
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}
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void NetworkInterface::DrvReceive(unsigned int DriverID, unsigned char *Data, unsigned short Size)
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{
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// foreach (auto inf in this->Interfaces)
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// if (inf->DriverID == DriverID)
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// NIManager->Receive(inf, Data, Size);
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assert(!"Function not implemented");
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}
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void NetworkInterface::Send(DeviceInterface *Interface, uint8_t *Data, size_t Length)
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{
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void *DataToBeSent = vma->RequestPages(TO_PAGES(Length + 1));
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memcpy(DataToBeSent, Data, Length);
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/* KernelCallback */
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// KernelCallback cb{};
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// cb.Reason = SendReason;
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// cb.NetworkCallback.Send.Data = (uint8_t *)DataToBeSent;
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// cb.NetworkCallback.Send.Length = Length;
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// DriverManager->IOCB(Interface->DriverID, &cb);
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vma->FreePages(DataToBeSent, TO_PAGES(Length + 1));
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foreach (auto ev in RegisteredEvents)
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ev->OnInterfaceSent(Interface, Data, Length);
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}
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void NetworkInterface::Receive(DeviceInterface *Interface, uint8_t *Data, size_t Length)
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{
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foreach (auto re in RegisteredEvents)
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re->OnInterfaceReceived(Interface, Data, Length);
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}
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Events::Events(DeviceInterface *Interface)
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{
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UNUSED(Interface);
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RegisteredEvents.push_back(this);
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}
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Events::~Events()
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{
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forItr(itr, RegisteredEvents)
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{
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if (*itr == this)
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{
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RegisteredEvents.erase(itr);
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break;
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}
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}
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}
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}
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