Renamed apiv1 lib to xaapiv1.

[src/xds/xds-agent.git] / lib / xaapiv1 / events.go

diff --git a/lib/xaapiv1/events.go b/lib/xaapiv1/events.go
new file mode 100644 (file)
index 0000000..12c8cb2
--- /dev/null
+++ b/lib/xaapiv1/events.go
@@ -0,0 +1,77 @@
+package xaapiv1
+
+import (
+       "encoding/json"
+       "fmt"
+)
+
+// EventRegisterArgs is the parameters (json format) of /events/register command
+type EventRegisterArgs struct {
+       Name      string `json:"name"`
+       ProjectID string `json:"filterProjectID"`
+}
+
+// EventUnRegisterArgs is the parameters (json format) of /events/unregister command
+type EventUnRegisterArgs struct {
+       Name string `json:"name"`
+       ID   int    `json:"id"`
+}
+
+// Events Type definitions
+const (
+       // EventTypePrefix Used as event prefix
+       EventTypePrefix = "event:" // following by event type
+
+       // Supported Events type
+       EVTAll           = EventTypePrefix + "all"
+       EVTServerConfig  = EventTypePrefix + "server-config"        // type EventMsg with Data type xaapiv1.ServerCfg
+       EVTProjectAdd    = EventTypePrefix + "project-add"          // type EventMsg with Data type xaapiv1.ProjectConfig
+       EVTProjectDelete = EventTypePrefix + "project-delete"       // type EventMsg with Data type xaapiv1.ProjectConfig
+       EVTProjectChange = EventTypePrefix + "project-state-change" // type EventMsg with Data type xaapiv1.ProjectConfig
+)
+
+// EVTAllList List of all supported events
+var EVTAllList = []string{
+       EVTServerConfig,
+       EVTProjectAdd,
+       EVTProjectDelete,
+       EVTProjectChange,
+}
+
+// EventMsg Event message send over Websocket, data format depend to Type (see DecodeXXX function)
+type EventMsg struct {
+       Time          string      `json:"time"`      // Timestamp
+       FromSessionID string      `json:"sessionID"` // Session ID of client that emits this event
+       Type          string      `json:"type"`      // Data type
+       Data          interface{} `json:"data"`      // Data
+}
+
+// DecodeServerCfg Helper to decode Data field type ServerCfg
+func (e *EventMsg) DecodeServerCfg() (ServerCfg, error) {
+       p := ServerCfg{}
+       if e.Type != EVTServerConfig {
+               return p, fmt.Errorf("Invalid type")
+       }
+       d, err := json.Marshal(e.Data)
+       if err == nil {
+               err = json.Unmarshal(d, &p)
+       }
+       return p, err
+}
+
+// DecodeProjectConfig Helper to decode Data field type ProjectConfig
+func (e *EventMsg) DecodeProjectConfig() (ProjectConfig, error) {
+       var err error
+       p := ProjectConfig{}
+       switch e.Type {
+       case EVTProjectAdd, EVTProjectChange, EVTProjectDelete:
+               d := []byte{}
+               d, err = json.Marshal(e.Data)
+               if err == nil {
+                       err = json.Unmarshal(d, &p)
+               }
+       default:
+               err = fmt.Errorf("Invalid type")
+       }
+       return p, err
+}