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create separate irc/connection_limiting package

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This commit is contained in:
Shivaram Lingamneni 2017-10-09 01:58:57 -04:00
parent a2ac4eeef9
commit ac9ac5ef19
4 changed files with 31 additions and 29 deletions
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28
irc/config.go
View File

@ -15,6 +15,7 @@ import (
"time"
"code.cloudfoundry.org/bytefmt"
"github.com/oragono/oragono/irc/connection_limiting"
"github.com/oragono/oragono/irc/custime"
"github.com/oragono/oragono/irc/logger"
"github.com/oragono/oragono/irc/passwd"
@ -108,29 +109,6 @@ func (conf *OperConfig) PasswordBytes() []byte {
return bytes
}
// ConnectionLimitsConfig controls the automated connection limits.
type ConnectionLimitsConfig struct {
Enabled bool
CidrLenIPv4 int `yaml:"cidr-len-ipv4"`
CidrLenIPv6 int `yaml:"cidr-len-ipv6"`
IPsPerCidr int `yaml:"ips-per-subnet"`
Exempted []string
}
// ConnectionThrottleConfig controls the automated connection throttling.
type ConnectionThrottleConfig struct {
Enabled bool
CidrLenIPv4 int `yaml:"cidr-len-ipv4"`
CidrLenIPv6 int `yaml:"cidr-len-ipv6"`
ConnectionsPerCidr int `yaml:"max-connections"`
DurationString string `yaml:"duration"`
Duration time.Duration `yaml:"duration-time"`
BanDurationString string `yaml:"ban-duration"`
BanDuration time.Duration
BanMessage string `yaml:"ban-message"`
Exempted []string
}
// LineLenConfig controls line lengths.
type LineLenConfig struct {
Tags int
@ -184,8 +162,8 @@ type Config struct {
ProxyAllowedFrom []string `yaml:"proxy-allowed-from"`
MaxSendQString string `yaml:"max-sendq"`
MaxSendQBytes uint64
ConnectionLimits ConnectionLimitsConfig `yaml:"connection-limits"`
ConnectionThrottle ConnectionThrottleConfig `yaml:"connection-throttling"`
ConnectionLimits connection_limiting.ConnectionLimitsConfig `yaml:"connection-limits"`
ConnectionThrottle connection_limiting.ConnectionThrottleConfig `yaml:"connection-throttling"`
}
Datastore struct {

11
irc/connection_limits.go → irc/connection_limiting/limits.go
View File

@ -1,7 +1,7 @@
// Copyright (c) 2016-2017 Daniel Oaks <daniel@danieloaks.net>
// released under the MIT license
package irc
package connection_limiting
import (
"errors"
@ -10,6 +10,15 @@ import (
"sync"
)
// ConnectionLimitsConfig controls the automated connection limits.
type ConnectionLimitsConfig struct {
Enabled bool
CidrLenIPv4 int `yaml:"cidr-len-ipv4"`
CidrLenIPv6 int `yaml:"cidr-len-ipv6"`
IPsPerCidr int `yaml:"ips-per-subnet"`
Exempted []string
}
var (
errTooManyClients = errors.New("Too many clients in subnet")
)

16
irc/connection_throttling.go → irc/connection_limiting/throttle.go
View File

@ -1,7 +1,7 @@
// Copyright (c) 2016-2017 Daniel Oaks <daniel@danieloaks.net>
// released under the MIT license
package irc
package connection_limiting
import (
"fmt"
@ -10,6 +10,20 @@ import (
"time"
)
// ConnectionThrottleConfig controls the automated connection throttling.
type ConnectionThrottleConfig struct {
Enabled bool
CidrLenIPv4 int `yaml:"cidr-len-ipv4"`
CidrLenIPv6 int `yaml:"cidr-len-ipv6"`
ConnectionsPerCidr int `yaml:"max-connections"`
DurationString string `yaml:"duration"`
Duration time.Duration `yaml:"duration-time"`
BanDurationString string `yaml:"ban-duration"`
BanDuration time.Duration
BanMessage string `yaml:"ban-message"`
Exempted []string
}
// ThrottleDetails holds the connection-throttling details for a subnet/IP.
type ThrottleDetails struct {
Start time.Time

5
irc/server.go
View File

@ -24,6 +24,7 @@ import (
"github.com/goshuirc/irc-go/ircfmt"
"github.com/goshuirc/irc-go/ircmsg"
"github.com/oragono/oragono/irc/caps"
"github.com/oragono/oragono/irc/connection_limiting"
"github.com/oragono/oragono/irc/isupport"
"github.com/oragono/oragono/irc/logger"
"github.com/oragono/oragono/irc/passwd"
@ -86,8 +87,8 @@ type Server struct {
commands chan Command
configFilename string
configurableStateMutex sync.RWMutex // generic protection for server state modified by rehash()
connectionLimits *ConnectionLimits
connectionThrottle *ConnectionThrottle
connectionLimits *connection_limiting.ConnectionLimits
connectionThrottle *connection_limiting.ConnectionThrottle
ctime time.Time
defaultChannelModes Modes
dlines *DLineManager