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52 lines
1.8 KiB
Go
52 lines
1.8 KiB
Go
package config
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import "fmt"
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// Defined Kafka topics.
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const (
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TopicOutputTypingEvent = "OutputTypingEvent"
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TopicOutputSendToDeviceEvent = "OutputSendToDeviceEvent"
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TopicOutputKeyChangeEvent = "OutputKeyChangeEvent"
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TopicOutputRoomEvent = "OutputRoomEvent"
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TopicOutputClientData = "OutputClientData"
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)
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type Kafka struct {
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// A list of kafka addresses to connect to.
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Addresses []string `yaml:"addresses"`
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// Whether to use naffka instead of kafka.
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// Naffka can only be used when running dendrite as a single monolithic server.
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// Kafka can be used both with a monolithic server and when running the
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// components as separate servers.
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UseNaffka bool `yaml:"use_naffka"`
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// The Naffka database is used internally by the naffka library, if used.
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Database DatabaseOptions `yaml:"naffka_database"`
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// The prefix to use for Kafka topic names for this homeserver - really only
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// useful if running more than one Dendrite on the same Kafka deployment.
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TopicPrefix string `yaml:"topic_prefix"`
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}
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func (k *Kafka) TopicFor(name string) string {
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return fmt.Sprintf("%s%s", k.TopicPrefix, name)
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}
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func (c *Kafka) Defaults() {
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c.UseNaffka = true
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c.Database.Defaults()
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c.Database.ConnectionString = DataSource("file:naffka.db")
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c.TopicPrefix = "Dendrite"
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}
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func (c *Kafka) Verify(configErrs *ConfigErrors, isMonolith bool) {
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if c.UseNaffka {
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if !isMonolith {
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configErrs.Add("naffka can only be used in a monolithic server")
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}
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checkNotEmpty(configErrs, "global.kafka.database.connection_string", string(c.Database.ConnectionString))
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} else {
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// If we aren't using naffka then we need to have at least one kafka
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// server to talk to.
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checkNotZero(configErrs, "global.kafka.addresses", int64(len(c.Addresses)))
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}
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checkNotEmpty(configErrs, "global.kafka.topic_prefix", string(c.TopicPrefix))
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}
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