cubefs

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// Copyright 2020 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package procfs
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type (
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	// NetTCP represents the contents of /proc/net/tcp{,6} file without the header.
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	NetTCP []*netIPSocketLine
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	// NetTCPSummary provides already computed values like the total queue lengths or
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	// the total number of used sockets. In contrast to NetTCP it does not collect
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	// the parsed lines into a slice.
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	NetTCPSummary NetIPSocketSummary
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)
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// NetTCP returns the IPv4 kernel/networking statistics for TCP datagrams
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// read from /proc/net/tcp.
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func (fs FS) NetTCP() (NetTCP, error) {
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	return newNetTCP(fs.proc.Path("net/tcp"))
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}
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// NetTCP6 returns the IPv6 kernel/networking statistics for TCP datagrams
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// read from /proc/net/tcp6.
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func (fs FS) NetTCP6() (NetTCP, error) {
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	return newNetTCP(fs.proc.Path("net/tcp6"))
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}
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// NetTCPSummary returns already computed statistics like the total queue lengths
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// for TCP datagrams read from /proc/net/tcp.
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func (fs FS) NetTCPSummary() (*NetTCPSummary, error) {
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	return newNetTCPSummary(fs.proc.Path("net/tcp"))
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}
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// NetTCP6Summary returns already computed statistics like the total queue lengths
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// for TCP datagrams read from /proc/net/tcp6.
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func (fs FS) NetTCP6Summary() (*NetTCPSummary, error) {
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	return newNetTCPSummary(fs.proc.Path("net/tcp6"))
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}
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// newNetTCP creates a new NetTCP{,6} from the contents of the given file.
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func newNetTCP(file string) (NetTCP, error) {
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	n, err := newNetIPSocket(file)
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	n1 := NetTCP(n)
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	return n1, err
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}
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func newNetTCPSummary(file string) (*NetTCPSummary, error) {
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	n, err := newNetIPSocketSummary(file)
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	if n == nil {
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		return nil, err
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	}
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	n1 := NetTCPSummary(*n)
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	return &n1, err
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}
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