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Kernel: Record network statistics and expose as JSON

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This is comprised of five small changes:

* Keep a counter for tx/rx packets/bytes per TCP socket
* Keep a counter for tx/rx packets/bytes per network adapter
* Expose that data in /proc/net_tcp and /proc/netadapters
* Convert /proc/netadapters to JSON
* Fix up ifconfig to read the JSON from netadapters
This commit is contained in:
Conrad Pankoff 2019-08-08 12:32:35 +10:00 • committed by Andreas Kling
parent 061c092fae
commit 7ed54d86d5
7 changed files with 88 additions and 20 deletions
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9
Kernel/Net/TCPSocket.h
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@ -60,8 +60,13 @@ public:
void set_sequence_number(u32 n) { m_sequence_number = n; }
u32 ack_number() const { return m_ack_number; }
u32 sequence_number() const { return m_sequence_number; }
u32 packets_in() const { return m_packets_in; }
u32 bytes_in() const { return m_bytes_in; }
u32 packets_out() const { return m_packets_out; }
u32 bytes_out() const { return m_bytes_out; }
void send_tcp_packet(u16 flags, const void* = nullptr, int = 0);
void record_incoming_data(int);
static Lockable<HashMap<IPv4SocketTuple, TCPSocket*>>& sockets_by_tuple();
static TCPSocketHandle from_tuple(const IPv4SocketTuple& tuple);
@ -85,6 +90,10 @@ private:
u32 m_sequence_number { 0 };
u32 m_ack_number { 0 };
State m_state { State::Closed };
u32 m_packets_in { 0 };
u32 m_bytes_in { 0 };
u32 m_packets_out { 0 };
u32 m_bytes_out { 0 };
};
class TCPSocketHandle : public SocketHandle {