63 lines
2.0 KiB
Go
63 lines
2.0 KiB
Go
package connection
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import (
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"git.openprivacy.ca/openprivacy/libricochet-go/channels"
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"git.openprivacy.ca/openprivacy/libricochet-go/utils"
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)
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// AutoConnectionHandler implements the ConnectionHandler interface on behalf of
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// the provided application type by automatically providing support for any
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// built-in channel type whose high level interface is implemented by the
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// application. For example, if the application's type implements the
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// ChatChannelHandler interface, `im.ricochet.chat` will be available to the peer.
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//
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// The application handler can be any other type. To override or augment any of
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// AutoConnectionHandler's behavior (such as adding new channel types, or reacting
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// to connection close events), this type can be embedded in the type that it serves.
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type AutoConnectionHandler struct {
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handlerMap map[string]func() channels.Handler
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connection *Connection
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}
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// Init ...
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// TODO: Split this into client and server init
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func (ach *AutoConnectionHandler) Init() {
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ach.handlerMap = make(map[string]func() channels.Handler)
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}
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// OnReady ...
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func (ach *AutoConnectionHandler) OnReady(oc *Connection) {
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ach.connection = oc
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}
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// OnClosed is called when the OpenConnection has closed for any reason.
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func (ach *AutoConnectionHandler) OnClosed(err error) {
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}
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// GetSupportedChannelTypes returns a list of channel types that are registered with the handler.
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func (ach *AutoConnectionHandler) GetSupportedChannelTypes() []string {
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supported := []string{}
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for k := range ach.handlerMap {
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supported = append(supported, k)
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}
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return supported
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}
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// RegisterChannelHandler ...
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func (ach *AutoConnectionHandler) RegisterChannelHandler(ctype string, handler func() channels.Handler) {
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_, exists := ach.handlerMap[ctype]
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if !exists {
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ach.handlerMap[ctype] = handler
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}
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}
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// OnOpenChannelRequest ...
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func (ach *AutoConnectionHandler) OnOpenChannelRequest(ctype string) (channels.Handler, error) {
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handler, ok := ach.handlerMap[ctype]
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if ok {
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h := handler()
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return h, nil
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}
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return nil, utils.UnknownChannelTypeError
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}
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