// StartRPC starts the HTTP RPC API server.
func (api *PrivateAdminAPI) StartRPC(host *string, port *rpc.HexNumber, cors *string, apis *string) (bool, error) {
api.node.lock.Lock()
defer api.node.lock.Unlock()
if api.node.httpHandler != nil {
return false, fmt.Errorf("HTTP RPC already running on %s", api.node.httpEndpoint)
}
if host == nil {
h := common.DefaultHTTPHost
if api.node.httpHost != "" {
h = api.node.httpHost
}
host = &h
}
if port == nil {
port = rpc.NewHexNumber(api.node.httpPort)
}
if cors == nil {
cors = &api.node.httpCors
}
modules := api.node.httpWhitelist
if apis != nil {
modules = nil
for _, m := range strings.Split(*apis, ",") {
modules = append(modules, strings.TrimSpace(m))
}
}
if err := api.node.startHTTP(fmt.Sprintf("%s:%d", *host, port.Int()), api.node.rpcAPIs, modules, *cors); err != nil {
return false, err
}
return true, nil
}
// StartWS starts the websocket RPC API server.
func (api *PrivateAdminAPI) StartWS(host *string, port *rpc.HexNumber, allowedOrigins *string, apis *string) (bool, error) {
api.node.lock.Lock()
defer api.node.lock.Unlock()
if api.node.wsHandler != nil {
return false, fmt.Errorf("WebSocket RPC already running on %s", api.node.wsEndpoint)
}
if host == nil {
h := common.DefaultWSHost
if api.node.wsHost != "" {
h = api.node.wsHost
}
host = &h
}
if port == nil {
port = rpc.NewHexNumber(api.node.wsPort)
}
if allowedOrigins == nil {
allowedOrigins = &api.node.wsOrigins
}
modules := api.node.wsWhitelist
if apis != nil {
modules = nil
for _, m := range strings.Split(*apis, ",") {
modules = append(modules, strings.TrimSpace(m))
}
}
if err := api.node.startWS(fmt.Sprintf("%s:%d", *host, port.Int()), api.node.rpcAPIs, modules, *allowedOrigins); err != nil {
return false, err
}
return true, nil
}
// UninstallFilter disables and removes an existing filter.
func (s *PublicWhisperAPI) UninstallFilter(filterId rpc.HexNumber) bool {
s.messagesMu.Lock()
defer s.messagesMu.Unlock()
if _, ok := s.messages[filterId.Int()]; ok {
delete(s.messages, filterId.Int())
return true
}
return false
}
// GetFilterChanges retrieves all the new messages matched by a filter since the last retrieval.
func (s *PublicWhisperAPI) GetFilterChanges(filterId rpc.HexNumber) []WhisperMessage {
s.messagesMu.RLock()
defer s.messagesMu.RUnlock()
if s.messages[filterId.Int()] != nil {
if changes := s.messages[filterId.Int()].retrieve(); changes != nil {
return changes
}
}
return returnWhisperMessages(nil)
}
// GetMessages retrieves all the known messages that match a specific filter.
func (s *PublicWhisperAPI) GetMessages(filterId rpc.HexNumber) []WhisperMessage {
// Retrieve all the cached messages matching a specific, existing filter
s.messagesMu.RLock()
defer s.messagesMu.RUnlock()
var messages []*Message
if s.messages[filterId.Int()] != nil {
messages = s.messages[filterId.Int()].messages()
}
return returnWhisperMessages(messages)
}