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gitea/vendor/github.com/prometheus/procfs/net_tcp.go

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