mirror of https://github.com/status-im/go-waku.git
92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
package protocol
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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)
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var ErrInvalidFormat = errors.New("invalid format")
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type ContentTopic struct {
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ApplicationName string
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ApplicationVersion uint
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ContentTopicName string
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Encoding string
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}
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func (ct ContentTopic) String() string {
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return fmt.Sprintf("/%s/%d/%s/%s", ct.ApplicationName, ct.ApplicationVersion, ct.ContentTopicName, ct.Encoding)
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}
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func NewContentTopic(applicationName string, applicationVersion uint, contentTopicName string, encoding string) ContentTopic {
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return ContentTopic{
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ApplicationName: applicationName,
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ApplicationVersion: applicationVersion,
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ContentTopicName: contentTopicName,
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Encoding: encoding,
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}
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}
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func (ct ContentTopic) Equal(ct2 ContentTopic) bool {
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return ct.ApplicationName == ct2.ApplicationName && ct.ApplicationVersion == ct2.ApplicationVersion &&
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ct.ContentTopicName == ct2.ContentTopicName && ct.Encoding == ct2.Encoding
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}
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func StringToContentTopic(s string) (ContentTopic, error) {
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p := strings.Split(s, "/")
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if len(p) != 5 || p[0] != "" || p[1] == "" || p[2] == "" || p[3] == "" || p[4] == "" {
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return ContentTopic{}, ErrInvalidFormat
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}
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vNum, err := strconv.ParseUint(p[2], 10, 32)
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if err != nil {
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return ContentTopic{}, ErrInvalidFormat
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}
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return ContentTopic{
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ApplicationName: p[1],
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ApplicationVersion: uint(vNum),
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ContentTopicName: p[3],
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Encoding: p[4],
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}, nil
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}
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type PubsubTopic struct {
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Name string
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Encoding string
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}
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func (t PubsubTopic) String() string {
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return fmt.Sprintf("/waku/2/%s/%s", t.Name, t.Encoding)
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}
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func DefaultPubsubTopic() PubsubTopic {
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return NewPubsubTopic("default-waku", "proto")
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}
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func NewPubsubTopic(name string, encoding string) PubsubTopic {
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return PubsubTopic{
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Name: name,
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Encoding: encoding,
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}
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}
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func (t PubsubTopic) Equal(t2 PubsubTopic) bool {
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return t.Name == t2.Name && t.Encoding == t2.Encoding
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}
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func StringToPubsubTopic(s string) (PubsubTopic, error) {
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p := strings.Split(s, "/")
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if len(p) != 5 || p[0] != "" || p[1] != "waku" || p[2] != "2" || p[3] == "" || p[4] == "" {
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return PubsubTopic{}, ErrInvalidFormat
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}
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return PubsubTopic{
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Name: p[3],
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Encoding: p[4],
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}, nil
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}
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