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ProcFS: Expose ARP table

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This commit is contained in:
Conrad Pankoff 2019-09-02 15:41:18 +10:00 • committed by Andreas Kling
parent ac154999f5
commit 41d113713d
1 changed files with 20 additions and 0 deletions
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20
Kernel/FileSystem/ProcFS.cpp
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@ -17,6 +17,7 @@
#include <Kernel/KParams.h>
#include <Kernel/Net/LocalSocket.h>
#include <Kernel/Net/NetworkAdapter.h>
#include <Kernel/Net/Routing.h>
#include <Kernel/Net/TCPSocket.h>
#include <Kernel/Net/UDPSocket.h>
#include <Kernel/PCI.h>
@ -59,6 +60,7 @@ enum ProcFileType {
FI_Root_sys_variable,
FI_Root_net_adapters,
FI_Root_net_arp,
FI_Root_net_tcp,
FI_Root_net_udp,
FI_Root_net_local,
@ -335,6 +337,20 @@ Optional<KBuffer> procfs$net_adapters(InodeIdentifier)
return builder.build();
}
Optional<KBuffer> procfs$net_arp(InodeIdentifier)
{
KBufferBuilder builder;
JsonArraySerializer array { builder };
LOCKER(arp_table().lock());
for (auto& it : arp_table().resource()) {
JsonObjectSerializer obj = array.add_object();
obj.add("mac_address", it.value.to_string());
obj.add("ip_address", it.key.to_string());
}
array.finish();
return builder.build();
}
Optional<KBuffer> procfs$net_tcp(InodeIdentifier)
{
KBufferBuilder builder;
@ -1022,6 +1038,7 @@ bool ProcFSInode::traverse_as_directory(Function<bool(const FS::DirectoryEntry&)
case FI_Root_net:
callback({ "adapters", 8, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_adapters), 0 });
callback({ "arp", 3, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_arp), 0 });
callback({ "tcp", 3, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_tcp), 0 });
callback({ "udp", 3, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_udp), 0 });
callback({ "local", 5, to_identifier(fsid(), PDI_Root_net, 0, FI_Root_net_local), 0 });
@ -1109,6 +1126,8 @@ InodeIdentifier ProcFSInode::lookup(StringView name)
if (proc_file_type == FI_Root_net) {
if (name == "adapters")
return to_identifier(fsid(), PDI_Root, 0, FI_Root_net_adapters);
if (name == "arp")
return to_identifier(fsid(), PDI_Root, 0, FI_Root_net_arp);
if (name == "tcp")
return to_identifier(fsid(), PDI_Root, 0, FI_Root_net_tcp);
if (name == "udp")
@ -1244,6 +1263,7 @@ ProcFS::ProcFS()
m_entries[FI_Root_net] = { "net", FI_Root_net };
m_entries[FI_Root_net_adapters] = { "adapters", FI_Root_net_adapters, procfs$net_adapters };
m_entries[FI_Root_net_arp] = { "arp", FI_Root_net_arp, procfs$net_arp };
m_entries[FI_Root_net_tcp] = { "tcp", FI_Root_net_tcp, procfs$net_tcp };
m_entries[FI_Root_net_udp] = { "udp", FI_Root_net_udp, procfs$net_udp };
m_entries[FI_Root_net_local] = { "local", FI_Root_net_local, procfs$net_local };