2023-06-18 18:33:17 -06:00
|
|
|
package graphvent
|
2023-06-07 22:46:42 -06:00
|
|
|
|
|
|
|
import (
|
|
|
|
"net/http"
|
|
|
|
"github.com/graphql-go/graphql"
|
2023-06-16 16:53:29 -06:00
|
|
|
"github.com/graphql-go/graphql/language/parser"
|
|
|
|
"github.com/graphql-go/graphql/language/source"
|
|
|
|
"github.com/graphql-go/graphql/language/ast"
|
2023-06-07 22:46:42 -06:00
|
|
|
"context"
|
|
|
|
"encoding/json"
|
|
|
|
"io"
|
|
|
|
"reflect"
|
|
|
|
"errors"
|
|
|
|
"fmt"
|
|
|
|
"sync"
|
2023-06-08 16:41:51 -06:00
|
|
|
"time"
|
2023-06-16 01:46:15 -06:00
|
|
|
"github.com/gobwas/ws"
|
|
|
|
"github.com/gobwas/ws/wsutil"
|
2023-06-07 22:46:42 -06:00
|
|
|
)
|
|
|
|
|
|
|
|
func GraphiQLHandler() func(http.ResponseWriter, *http.Request) {
|
2023-06-18 21:34:02 -06:00
|
|
|
return func(w http.ResponseWriter, r * http.Request) {
|
|
|
|
graphiql_string := fmt.Sprintf(`
|
2023-06-07 22:46:42 -06:00
|
|
|
<!--
|
2023-06-18 21:34:02 -06:00
|
|
|
* Copyright (c) 2021 GraphQL Contributors
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* This source code is licensed under the license found in the
|
|
|
|
* LICENSE file in the root directory of this source tree.
|
2023-06-07 22:46:42 -06:00
|
|
|
-->
|
2023-06-18 21:34:02 -06:00
|
|
|
<!DOCTYPE html>
|
|
|
|
<html lang="en">
|
|
|
|
<head>
|
|
|
|
<title>GraphiQL</title>
|
|
|
|
<style>
|
|
|
|
body {
|
|
|
|
height: 100%%;
|
|
|
|
margin: 0;
|
|
|
|
width: 100%%;
|
|
|
|
overflow: hidden;
|
|
|
|
}
|
|
|
|
|
|
|
|
#graphiql {
|
|
|
|
height: 100vh;
|
|
|
|
}
|
|
|
|
</style>
|
|
|
|
|
|
|
|
<!--
|
|
|
|
This GraphiQL example depends on Promise and fetch, which are available in
|
|
|
|
modern browsers, but can be "polyfilled" for older browsers.
|
|
|
|
GraphiQL itself depends on React DOM.
|
|
|
|
If you do not want to rely on a CDN, you can host these files locally or
|
|
|
|
include them directly in your favored resource bundler.
|
|
|
|
-->
|
|
|
|
<script
|
|
|
|
crossorigin
|
|
|
|
src="https://unpkg.com/react@18/umd/react.development.js"
|
|
|
|
></script>
|
|
|
|
<script
|
|
|
|
crossorigin
|
|
|
|
src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"
|
|
|
|
></script>
|
|
|
|
|
|
|
|
<!--
|
|
|
|
These two files can be found in the npm module, however you may wish to
|
|
|
|
copy them directly into your environment, or perhaps include them in your
|
|
|
|
favored resource bundler.
|
|
|
|
-->
|
|
|
|
<link rel="stylesheet" href="https://unpkg.com/graphiql/graphiql.min.css" />
|
|
|
|
</head>
|
|
|
|
|
|
|
|
<body>
|
|
|
|
<div id="graphiql">Loading...</div>
|
|
|
|
<script
|
|
|
|
src="https://unpkg.com/graphiql/graphiql.min.js"
|
|
|
|
type="application/javascript"
|
|
|
|
></script>
|
|
|
|
<script>
|
|
|
|
const root = ReactDOM.createRoot(document.getElementById('graphiql'));
|
|
|
|
root.render(
|
|
|
|
React.createElement(GraphiQL, {
|
|
|
|
fetcher: GraphiQL.createFetcher({
|
|
|
|
url: '%s/gql',
|
|
|
|
}),
|
|
|
|
defaultEditorToolsVisibility: true,
|
2023-06-07 22:46:42 -06:00
|
|
|
}),
|
2023-06-18 21:34:02 -06:00
|
|
|
);
|
|
|
|
</script>
|
|
|
|
</body>
|
|
|
|
</html>
|
|
|
|
`, r.RequestURI)
|
2023-06-07 22:46:42 -06:00
|
|
|
|
|
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
|
|
w.WriteHeader(http.StatusOK)
|
|
|
|
io.WriteString(w, graphiql_string)
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2023-06-13 15:29:23 -06:00
|
|
|
var gql_type_base_node *graphql.Object = nil
|
|
|
|
func GQLTypeBaseNode() *graphql.Object {
|
|
|
|
if gql_type_base_node == nil {
|
|
|
|
gql_type_base_node = graphql.NewObject(graphql.ObjectConfig{
|
|
|
|
Name: "BaseNode",
|
|
|
|
Interfaces: []*graphql.Interface{
|
|
|
|
GQLInterfaceNode(),
|
|
|
|
},
|
|
|
|
IsTypeOf: func(p graphql.IsTypeOfParams) bool {
|
|
|
|
_, ok := p.Value.(*BaseNode)
|
|
|
|
return ok
|
|
|
|
},
|
|
|
|
Fields: graphql.Fields{},
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_node.AddFieldConfig("ID", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLResourceID,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_node.AddFieldConfig("Name", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLResourceName,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_node.AddFieldConfig("Description", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLResourceDescription,
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
return gql_type_base_node
|
|
|
|
}
|
|
|
|
|
|
|
|
var gql_interface_node *graphql.Interface = nil
|
|
|
|
func GQLInterfaceNode() *graphql.Interface {
|
|
|
|
if gql_interface_node == nil {
|
|
|
|
gql_interface_node = graphql.NewInterface(graphql.InterfaceConfig{
|
|
|
|
Name: "Node",
|
|
|
|
ResolveType: func(p graphql.ResolveTypeParams) *graphql.Object {
|
|
|
|
valid_events, ok := p.Context.Value("valid_events").(map[reflect.Type]*graphql.Object)
|
|
|
|
if ok == false {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
valid_resources, ok := p.Context.Value("valid_resources").(map[reflect.Type]*graphql.Object)
|
|
|
|
if ok == false {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
for key, value := range(valid_events) {
|
|
|
|
if reflect.TypeOf(p.Value) == key {
|
|
|
|
return value
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for key, value := range(valid_resources) {
|
|
|
|
if reflect.TypeOf(p.Value) == key {
|
|
|
|
return value
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return GQLTypeBaseNode()
|
|
|
|
},
|
|
|
|
Fields: graphql.Fields{},
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_node.AddFieldConfig("ID", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_node.AddFieldConfig("Name", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_node.AddFieldConfig("Description", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
return gql_interface_node
|
|
|
|
}
|
|
|
|
|
2023-06-16 01:46:15 -06:00
|
|
|
type GQLWSPayload struct {
|
|
|
|
OperationName string `json:"operationName,omitempty"`
|
|
|
|
Query string `json:"query,omitempty"`
|
|
|
|
Variables map[string]interface{} `json:"variables,omitempty"`
|
|
|
|
Extensions map[string]interface{} `json:"extensions,omitempty"`
|
|
|
|
Data string `json:"data,omitempty"`
|
|
|
|
}
|
|
|
|
|
|
|
|
type GQLWSMsg struct {
|
|
|
|
ID string `json:"id,omitempty"`
|
|
|
|
Type string `json:"type"`
|
|
|
|
Payload GQLWSPayload `json:"payload,omitempty"`
|
2023-06-07 22:46:42 -06:00
|
|
|
}
|
|
|
|
|
2023-06-16 16:53:29 -06:00
|
|
|
func enableCORS(w *http.ResponseWriter) {
|
|
|
|
(*w).Header().Set("Access-Control-Allow-Origin", "*")
|
2023-06-16 17:42:49 -06:00
|
|
|
(*w).Header().Set("Access-Control-Allow-Credentials", "true")
|
|
|
|
(*w).Header().Set("Access-Control-Allow-Headers", "*")
|
|
|
|
(*w).Header().Set("Access-Control-Allow-Methods", "*")
|
2023-06-16 16:53:29 -06:00
|
|
|
}
|
|
|
|
|
2023-06-07 22:46:42 -06:00
|
|
|
func GQLHandler(schema graphql.Schema, ctx context.Context) func(http.ResponseWriter, *http.Request) {
|
2023-06-16 16:53:29 -06:00
|
|
|
return func(w http.ResponseWriter, r * http.Request) {
|
|
|
|
log.Logf("gql", "GQL REQUEST: %s", r.RemoteAddr)
|
|
|
|
enableCORS(&w)
|
|
|
|
header_map := map[string]interface{}{}
|
|
|
|
for header, value := range(r.Header) {
|
|
|
|
header_map[header] = value
|
|
|
|
}
|
|
|
|
log.Logm("gql", header_map, "REQUEST_HEADERS")
|
|
|
|
|
|
|
|
str, err := io.ReadAll(r.Body)
|
|
|
|
if err != nil {
|
|
|
|
log.Logf("gql", "failed to read request body: %s", err)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
query := GQLWSPayload{}
|
|
|
|
json.Unmarshal(str, &query)
|
|
|
|
|
|
|
|
params := graphql.Params{
|
|
|
|
Schema: schema,
|
|
|
|
Context: ctx,
|
|
|
|
RequestString: query.Query,
|
|
|
|
}
|
|
|
|
if query.OperationName != "" {
|
|
|
|
params.OperationName = query.OperationName
|
|
|
|
}
|
|
|
|
if len(query.Variables) > 0 {
|
|
|
|
params.VariableValues = query.Variables
|
|
|
|
}
|
|
|
|
result := graphql.Do(params)
|
|
|
|
if len(result.Errors) > 0 {
|
|
|
|
extra_fields := map[string]interface{}{}
|
|
|
|
extra_fields["body"] = string(str)
|
|
|
|
extra_fields["headers"] = r.Header
|
|
|
|
log.Logm("gql", extra_fields, "wrong result, unexpected errors: %v", result.Errors)
|
|
|
|
}
|
|
|
|
json.NewEncoder(w).Encode(result)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func sendOneResultAndClose(res *graphql.Result) chan *graphql.Result {
|
|
|
|
resultChannel := make(chan *graphql.Result)
|
2023-06-16 17:42:49 -06:00
|
|
|
go func() {
|
|
|
|
resultChannel <- res
|
|
|
|
close(resultChannel)
|
|
|
|
}()
|
2023-06-16 16:53:29 -06:00
|
|
|
return resultChannel
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
func getOperationTypeOfReq(p graphql.Params) string{
|
|
|
|
source := source.NewSource(&source.Source{
|
|
|
|
Body: []byte(p.RequestString),
|
|
|
|
Name: "GraphQL request",
|
|
|
|
})
|
|
|
|
|
|
|
|
AST, err := parser.Parse(parser.ParseParams{Source: source})
|
|
|
|
if err != nil {
|
|
|
|
return ""
|
|
|
|
}
|
|
|
|
|
|
|
|
for _, node := range AST.Definitions {
|
|
|
|
if operationDef, ok := node.(*ast.OperationDefinition); ok {
|
2023-06-16 17:42:49 -06:00
|
|
|
name := ""
|
|
|
|
if operationDef.Name != nil {
|
|
|
|
name = operationDef.Name.Value
|
|
|
|
}
|
|
|
|
if name == p.OperationName || p.OperationName == "" {
|
2023-06-16 16:53:29 -06:00
|
|
|
return operationDef.Operation
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return ""
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLWSDo(p graphql.Params) chan *graphql.Result {
|
|
|
|
operation := getOperationTypeOfReq(p)
|
2023-06-16 17:42:49 -06:00
|
|
|
log.Logf("gqlws", "GQLWSDO_OPERATION: %s %+v", operation, p.RequestString)
|
2023-06-16 16:53:29 -06:00
|
|
|
|
|
|
|
if operation == ast.OperationTypeSubscription {
|
|
|
|
return graphql.Subscribe(p)
|
|
|
|
}
|
|
|
|
|
2023-06-16 17:42:49 -06:00
|
|
|
res := graphql.Do(p)
|
|
|
|
return sendOneResultAndClose(res)
|
2023-06-16 16:53:29 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
func GQLWSHandler(schema graphql.Schema, ctx context.Context) func(http.ResponseWriter, *http.Request) {
|
2023-06-07 22:46:42 -06:00
|
|
|
return func(w http.ResponseWriter, r * http.Request) {
|
2023-06-16 17:20:16 -06:00
|
|
|
log.Logf("gqlws_new", "HANDLING %s",r.RemoteAddr)
|
2023-06-16 01:46:15 -06:00
|
|
|
header_map := map[string]interface{}{}
|
|
|
|
for header, value := range(r.Header) {
|
|
|
|
header_map[header] = value
|
2023-06-08 16:41:51 -06:00
|
|
|
}
|
2023-06-16 01:46:15 -06:00
|
|
|
log.Logm("gql", header_map, "REQUEST_HEADERS")
|
|
|
|
u := ws.HTTPUpgrader{
|
|
|
|
Protocol: func(protocol string) bool {
|
|
|
|
log.Logf("gqlws", "UPGRADE_PROTOCOL: %s", string(protocol))
|
|
|
|
return string(protocol) == "graphql-transport-ws"
|
|
|
|
},
|
2023-06-08 16:41:51 -06:00
|
|
|
}
|
2023-06-16 01:46:15 -06:00
|
|
|
conn, _, _, err := u.Upgrade(r, w)
|
|
|
|
if err == nil {
|
|
|
|
defer conn.Close()
|
|
|
|
conn_state := "init"
|
|
|
|
for {
|
2023-06-16 16:53:29 -06:00
|
|
|
// TODO: Make this a select between reading client data and getting updates from the event to push to clients"
|
2023-06-16 01:46:15 -06:00
|
|
|
msg_raw, op, err := wsutil.ReadClientData(conn)
|
2023-06-16 19:19:05 -06:00
|
|
|
log.Logf("gqlws_hb", "MSG: %s\nOP: 0x%02x\nERR: %+v\n", string(msg_raw), op, err)
|
2023-06-16 01:46:15 -06:00
|
|
|
msg := GQLWSMsg{}
|
|
|
|
json.Unmarshal(msg_raw, &msg)
|
|
|
|
if err != nil {
|
|
|
|
log.Logf("gqlws", "WS_CLIENT_ERROR")
|
|
|
|
break
|
|
|
|
}
|
|
|
|
if msg.Type == "connection_init" {
|
|
|
|
if conn_state != "init" {
|
|
|
|
log.Logf("gqlws", "WS_CLIENT_ERROR: INIT WHILE IN %s", conn_state)
|
|
|
|
break
|
|
|
|
}
|
|
|
|
conn_state = "ready"
|
|
|
|
err = wsutil.WriteServerMessage(conn, 1, []byte("{\"type\": \"connection_ack\"}"))
|
|
|
|
if err != nil {
|
|
|
|
log.Logf("gqlws", "WS_SERVER_ERROR: FAILED TO SEND connection_ack")
|
|
|
|
break
|
|
|
|
}
|
|
|
|
} else if msg.Type == "ping" {
|
2023-06-16 19:19:05 -06:00
|
|
|
log.Logf("gqlws_hb", "PING FROM %s", r.RemoteAddr)
|
2023-06-16 01:46:15 -06:00
|
|
|
err = wsutil.WriteServerMessage(conn, 1, []byte("{\"type\": \"pong\"}"))
|
|
|
|
if err != nil {
|
|
|
|
log.Logf("gqlws", "WS_SERVER_ERROR: FAILED TO SEND PONG")
|
|
|
|
}
|
|
|
|
} else if msg.Type == "subscribe" {
|
|
|
|
log.Logf("gqlws", "SUBSCRIBE: %+v", msg.Payload)
|
|
|
|
params := graphql.Params{
|
|
|
|
Schema: schema,
|
|
|
|
Context: ctx,
|
|
|
|
RequestString: msg.Payload.Query,
|
|
|
|
}
|
|
|
|
if msg.Payload.OperationName != "" {
|
|
|
|
params.OperationName = msg.Payload.OperationName
|
|
|
|
}
|
|
|
|
if len(msg.Payload.Variables) > 0 {
|
|
|
|
params.VariableValues = msg.Payload.Variables
|
|
|
|
}
|
|
|
|
|
2023-06-16 16:53:29 -06:00
|
|
|
res_chan := GQLWSDo(params)
|
|
|
|
|
|
|
|
go func(res_chan chan *graphql.Result) {
|
|
|
|
for {
|
|
|
|
next, ok := <-res_chan
|
|
|
|
if ok == false {
|
|
|
|
log.Logf("gqlws", "response channel was closed")
|
|
|
|
return
|
|
|
|
}
|
|
|
|
if next == nil {
|
|
|
|
log.Logf("gqlws", "NIL_ON_CHANNEL")
|
|
|
|
return
|
|
|
|
}
|
|
|
|
if len(next.Errors) > 0 {
|
|
|
|
extra_fields := map[string]interface{}{}
|
|
|
|
extra_fields["query"] = string(msg.Payload.Query)
|
|
|
|
log.Logm("gqlws", extra_fields, "ERROR: wrong result, unexpected errors: %+v", next.Errors)
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
log.Logf("gqlws", "DATA: %+v", next.Data)
|
|
|
|
data, err := json.Marshal(next.Data)
|
|
|
|
if err != nil {
|
|
|
|
log.Logf("gqlws", "ERROR: %+v", err)
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
msg, err := json.Marshal(GQLWSMsg{
|
|
|
|
ID: msg.ID,
|
|
|
|
Type: "next",
|
|
|
|
Payload: GQLWSPayload{
|
|
|
|
Data: string(data),
|
|
|
|
},
|
|
|
|
})
|
|
|
|
if err != nil {
|
|
|
|
log.Logf("gqlws", "ERROR: %+v", err)
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
err = wsutil.WriteServerMessage(conn, 1, msg)
|
|
|
|
if err != nil {
|
|
|
|
log.Logf("gqlws", "ERROR: %+v", err)
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}(res_chan)
|
2023-06-16 02:20:07 -06:00
|
|
|
} else {
|
2023-06-16 01:46:15 -06:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return
|
|
|
|
} else {
|
2023-06-16 16:53:29 -06:00
|
|
|
panic("Failed to upgrade websocket")
|
2023-06-07 22:46:42 -06:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLEventFn(p graphql.ResolveParams, fn func(Event, graphql.ResolveParams)(interface{}, error))(interface{}, error) {
|
|
|
|
if event, ok := p.Source.(Event); ok {
|
|
|
|
return fn(event, p)
|
|
|
|
}
|
|
|
|
return nil, errors.New("Failed to cast source to event")
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLEventID(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLEventFn(p, func(event Event, p graphql.ResolveParams)(interface{}, error) {
|
|
|
|
return event.ID(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLEventName(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLEventFn(p, func(event Event, p graphql.ResolveParams)(interface{}, error) {
|
|
|
|
return event.Name(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLEventDescription(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLEventFn(p, func(event Event, p graphql.ResolveParams)(interface{}, error) {
|
|
|
|
return event.Description(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLEventChildren(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLEventFn(p, func(event Event, p graphql.ResolveParams)(interface{}, error) {
|
|
|
|
return event.Children(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
2023-06-08 00:19:55 -06:00
|
|
|
var gql_list_resource * graphql.List = nil
|
|
|
|
func GQLListResource() * graphql.List {
|
|
|
|
if gql_list_resource == nil {
|
|
|
|
gql_list_resource = graphql.NewList(GQLInterfaceResource())
|
|
|
|
}
|
|
|
|
|
|
|
|
return gql_list_resource
|
|
|
|
}
|
|
|
|
|
|
|
|
var gql_interface_resource * graphql.Interface = nil
|
|
|
|
func GQLInterfaceResource() * graphql.Interface {
|
|
|
|
if gql_interface_resource == nil {
|
|
|
|
gql_interface_resource = graphql.NewInterface(graphql.InterfaceConfig{
|
|
|
|
Name: "Resource",
|
|
|
|
ResolveType: func(p graphql.ResolveTypeParams) *graphql.Object {
|
2023-06-13 15:29:23 -06:00
|
|
|
if p.Value == nil {
|
|
|
|
return GQLTypeBaseResource()
|
|
|
|
}
|
2023-06-08 00:19:55 -06:00
|
|
|
valid_resources, ok := p.Context.Value("valid_resources").(map[reflect.Type]*graphql.Object)
|
|
|
|
if ok == false {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
for key, value := range(valid_resources) {
|
|
|
|
if reflect.TypeOf(p.Value) == key {
|
|
|
|
return value
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
},
|
|
|
|
Fields: graphql.Fields{},
|
|
|
|
})
|
|
|
|
|
|
|
|
if gql_list_resource == nil {
|
|
|
|
gql_list_resource = graphql.NewList(gql_interface_resource)
|
|
|
|
}
|
|
|
|
|
|
|
|
gql_interface_resource.AddFieldConfig("ID", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_resource.AddFieldConfig("Name", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_resource.AddFieldConfig("Description", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_resource.AddFieldConfig("Parents", &graphql.Field{
|
|
|
|
Type: GQLListResource(),
|
|
|
|
})
|
|
|
|
|
2023-06-13 15:29:23 -06:00
|
|
|
gql_interface_resource.AddFieldConfig("Owner", &graphql.Field{
|
|
|
|
Type: GQLInterfaceNode(),
|
|
|
|
})
|
|
|
|
|
2023-06-08 00:19:55 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
return gql_interface_resource
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLResourceFn(p graphql.ResolveParams, fn func(Resource, graphql.ResolveParams)(interface{}, error))(interface{}, error) {
|
|
|
|
if resource, ok := p.Source.(Resource); ok {
|
|
|
|
return fn(resource, p)
|
|
|
|
}
|
|
|
|
return nil, errors.New(fmt.Sprintf("Failed to cast source to resource, %+v", p.Source))
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLResourceID(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLResourceFn(p, func(resource Resource, p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return resource.ID(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLResourceName(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLResourceFn(p, func(resource Resource, p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return resource.Name(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLResourceDescription(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLResourceFn(p, func(resource Resource, p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return resource.Description(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLResourceParents(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLResourceFn(p, func(resource Resource, p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return resource.Parents(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
2023-06-13 15:29:23 -06:00
|
|
|
func GQLResourceOwner(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLResourceFn(p, func(resource Resource, p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return resource.Owner(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
2023-06-08 00:19:55 -06:00
|
|
|
var gql_type_base_resource *graphql.Object = nil
|
|
|
|
func GQLTypeBaseResource() * graphql.Object {
|
|
|
|
if gql_type_base_resource == nil {
|
|
|
|
gql_type_base_resource = graphql.NewObject(graphql.ObjectConfig{
|
|
|
|
Name: "BaseResource",
|
|
|
|
Interfaces: []*graphql.Interface{
|
|
|
|
GQLInterfaceResource(),
|
2023-06-13 15:29:23 -06:00
|
|
|
GQLInterfaceNode(),
|
2023-06-08 00:19:55 -06:00
|
|
|
},
|
|
|
|
IsTypeOf: func(p graphql.IsTypeOfParams) bool {
|
|
|
|
_, ok := p.Value.(*BaseResource)
|
|
|
|
return ok
|
|
|
|
},
|
|
|
|
Fields: graphql.Fields{},
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_resource.AddFieldConfig("ID", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLResourceID,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_resource.AddFieldConfig("Name", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLResourceName,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_resource.AddFieldConfig("Description", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLResourceDescription,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_resource.AddFieldConfig("Parents", &graphql.Field{
|
|
|
|
Type: GQLListResource(),
|
|
|
|
Resolve: GQLResourceParents,
|
|
|
|
})
|
2023-06-13 15:29:23 -06:00
|
|
|
|
|
|
|
gql_type_base_resource.AddFieldConfig("Owner", &graphql.Field{
|
|
|
|
Type: GQLInterfaceNode(),
|
|
|
|
Resolve: GQLResourceOwner,
|
|
|
|
})
|
2023-06-08 00:19:55 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
return gql_type_base_resource
|
|
|
|
}
|
2023-06-07 22:46:42 -06:00
|
|
|
|
|
|
|
var gql_list_event * graphql.List = nil
|
|
|
|
func GQLListEvent() * graphql.List {
|
|
|
|
if gql_list_event == nil {
|
|
|
|
gql_list_event = graphql.NewList(GQLInterfaceEvent())
|
|
|
|
}
|
|
|
|
return gql_list_event
|
|
|
|
}
|
|
|
|
|
|
|
|
var gql_interface_event * graphql.Interface = nil
|
|
|
|
func GQLInterfaceEvent() * graphql.Interface {
|
|
|
|
if gql_interface_event == nil {
|
|
|
|
gql_interface_event = graphql.NewInterface(graphql.InterfaceConfig{
|
|
|
|
Name: "Event",
|
|
|
|
ResolveType: func(p graphql.ResolveTypeParams) *graphql.Object {
|
|
|
|
valid_events, ok := p.Context.Value("valid_events").(map[reflect.Type]*graphql.Object)
|
|
|
|
if ok == false {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
for key, value := range(valid_events) {
|
|
|
|
if reflect.TypeOf(p.Value) == key {
|
|
|
|
return value
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
},
|
|
|
|
Fields: graphql.Fields{},
|
|
|
|
})
|
|
|
|
|
|
|
|
if gql_list_event == nil {
|
|
|
|
gql_list_event = graphql.NewList(gql_interface_event)
|
|
|
|
}
|
|
|
|
|
|
|
|
gql_interface_event.AddFieldConfig("ID", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_event.AddFieldConfig("Name", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_event.AddFieldConfig("Description", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_interface_event.AddFieldConfig("Children", &graphql.Field{
|
|
|
|
Type: gql_list_event,
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
return gql_interface_event
|
|
|
|
}
|
|
|
|
|
|
|
|
var gql_type_base_event * graphql.Object = nil
|
|
|
|
func GQLTypeBaseEvent() * graphql.Object {
|
|
|
|
if gql_type_base_event == nil {
|
|
|
|
gql_type_base_event = graphql.NewObject(graphql.ObjectConfig{
|
|
|
|
Name: "BaseEvent",
|
|
|
|
Interfaces: []*graphql.Interface{
|
|
|
|
GQLInterfaceEvent(),
|
2023-06-13 15:29:23 -06:00
|
|
|
GQLInterfaceNode(),
|
2023-06-07 22:46:42 -06:00
|
|
|
},
|
|
|
|
IsTypeOf: func(p graphql.IsTypeOfParams) bool {
|
|
|
|
_, ok := p.Value.(*BaseEvent)
|
|
|
|
return ok
|
|
|
|
},
|
|
|
|
Fields: graphql.Fields{},
|
|
|
|
})
|
|
|
|
gql_type_base_event.AddFieldConfig("ID", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLEventID,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_event.AddFieldConfig("Name", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLEventName,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_event.AddFieldConfig("Description", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLEventDescription,
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_base_event.AddFieldConfig("Children", &graphql.Field{
|
|
|
|
Type: GQLListEvent(),
|
|
|
|
Resolve: GQLEventChildren,
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
return gql_type_base_event
|
|
|
|
}
|
|
|
|
|
|
|
|
var gql_type_event_queue * graphql.Object = nil
|
|
|
|
func GQLTypeEventQueue() * graphql.Object {
|
|
|
|
if gql_type_event_queue == nil {
|
|
|
|
gql_type_event_queue = graphql.NewObject(graphql.ObjectConfig{
|
|
|
|
Name: "EventQueue",
|
|
|
|
Interfaces: []*graphql.Interface{
|
|
|
|
GQLInterfaceEvent(),
|
2023-06-13 15:29:23 -06:00
|
|
|
GQLInterfaceNode(),
|
2023-06-07 22:46:42 -06:00
|
|
|
},
|
|
|
|
IsTypeOf: func(p graphql.IsTypeOfParams) bool {
|
|
|
|
_, ok := p.Value.(*EventQueue)
|
|
|
|
return ok
|
|
|
|
},
|
|
|
|
Fields: graphql.Fields{},
|
|
|
|
})
|
|
|
|
gql_type_event_queue.AddFieldConfig("ID", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLEventID,
|
|
|
|
})
|
|
|
|
gql_type_event_queue.AddFieldConfig("Name", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLEventName,
|
|
|
|
})
|
|
|
|
gql_type_event_queue.AddFieldConfig("Description", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLEventDescription,
|
|
|
|
})
|
|
|
|
gql_type_event_queue.AddFieldConfig("Children", &graphql.Field{
|
|
|
|
Type: GQLListEvent(),
|
|
|
|
Resolve: GQLEventChildren,
|
|
|
|
})
|
|
|
|
}
|
|
|
|
return gql_type_event_queue
|
|
|
|
}
|
|
|
|
|
2023-06-08 16:41:51 -06:00
|
|
|
func GQLSignalFn(p graphql.ResolveParams, fn func(GraphSignal, graphql.ResolveParams)(interface{}, error))(interface{}, error) {
|
|
|
|
if signal, ok := p.Source.(GraphSignal); ok {
|
|
|
|
return fn(signal, p)
|
|
|
|
}
|
|
|
|
return nil, errors.New("Failed to cast source to event")
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLSignalType(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLSignalFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error){
|
|
|
|
return signal.Type(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
2023-06-18 18:11:59 -06:00
|
|
|
func GQLSignalSource(p graphql.ResolveParams) (interface{}, error) {
|
2023-06-08 16:41:51 -06:00
|
|
|
return GQLSignalFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error){
|
2023-06-18 18:11:59 -06:00
|
|
|
return signal.Source(), nil
|
2023-06-08 16:41:51 -06:00
|
|
|
})
|
|
|
|
}
|
|
|
|
|
2023-06-18 18:11:59 -06:00
|
|
|
func GQLSignalDownwards(p graphql.ResolveParams) (interface{}, error) {
|
2023-06-08 16:41:51 -06:00
|
|
|
return GQLSignalFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error){
|
2023-06-18 18:11:59 -06:00
|
|
|
return signal.Downwards(), nil
|
2023-06-08 16:41:51 -06:00
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLSignalString(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLSignalFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error){
|
|
|
|
return signal.String(), nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
var gql_type_signal *graphql.Object = nil
|
|
|
|
func GQLTypeSignal() *graphql.Object {
|
|
|
|
if gql_type_signal == nil {
|
|
|
|
gql_type_signal = graphql.NewObject(graphql.ObjectConfig{
|
|
|
|
Name: "SignalOut",
|
|
|
|
IsTypeOf: func(p graphql.IsTypeOfParams) bool {
|
|
|
|
_, ok := p.Value.(GraphSignal)
|
|
|
|
return ok
|
|
|
|
},
|
|
|
|
Fields: graphql.Fields{},
|
|
|
|
})
|
|
|
|
|
|
|
|
gql_type_signal.AddFieldConfig("Type", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLSignalType,
|
|
|
|
})
|
2023-06-18 18:11:59 -06:00
|
|
|
gql_type_signal.AddFieldConfig("Source", &graphql.Field{
|
2023-06-08 16:41:51 -06:00
|
|
|
Type: graphql.String,
|
2023-06-18 18:11:59 -06:00
|
|
|
Resolve: GQLSignalSource,
|
2023-06-08 16:41:51 -06:00
|
|
|
})
|
2023-06-18 18:11:59 -06:00
|
|
|
gql_type_signal.AddFieldConfig("Downwards", &graphql.Field{
|
|
|
|
Type: graphql.Boolean,
|
|
|
|
Resolve: GQLSignalDownwards,
|
2023-06-08 16:41:51 -06:00
|
|
|
})
|
|
|
|
gql_type_signal.AddFieldConfig("String", &graphql.Field{
|
|
|
|
Type: graphql.String,
|
|
|
|
Resolve: GQLSignalString,
|
|
|
|
})
|
|
|
|
}
|
|
|
|
return gql_type_signal
|
|
|
|
}
|
|
|
|
|
|
|
|
var gql_type_signal_input *graphql.InputObject = nil
|
|
|
|
func GQLTypeSignalInput() *graphql.InputObject {
|
|
|
|
if gql_type_signal_input == nil {
|
|
|
|
gql_type_signal_input = graphql.NewInputObject(graphql.InputObjectConfig{
|
|
|
|
Name: "SignalIn",
|
|
|
|
Fields: graphql.InputObjectConfigFieldMap{},
|
|
|
|
})
|
|
|
|
gql_type_signal_input.AddFieldConfig("Type", &graphql.InputObjectFieldConfig{
|
|
|
|
Type: graphql.String,
|
|
|
|
})
|
|
|
|
gql_type_signal_input.AddFieldConfig("Description", &graphql.InputObjectFieldConfig{
|
|
|
|
Type: graphql.String,
|
|
|
|
DefaultValue: "",
|
|
|
|
})
|
|
|
|
gql_type_signal_input.AddFieldConfig("Time", &graphql.InputObjectFieldConfig{
|
|
|
|
Type: graphql.DateTime,
|
|
|
|
DefaultValue: time.Now(),
|
|
|
|
})
|
|
|
|
}
|
|
|
|
return gql_type_signal_input
|
|
|
|
}
|
|
|
|
|
2023-06-13 14:10:59 -06:00
|
|
|
var gql_mutation_update_event *graphql.Field = nil
|
|
|
|
func GQLMutationUpdateEvent() *graphql.Field {
|
|
|
|
if gql_mutation_update_event == nil {
|
|
|
|
gql_mutation_update_event = &graphql.Field{
|
|
|
|
Type: GQLTypeSignal(),
|
|
|
|
Args: graphql.FieldConfigArgument{
|
|
|
|
"id": &graphql.ArgumentConfig{
|
|
|
|
Type: graphql.String,
|
|
|
|
},
|
|
|
|
"signal": &graphql.ArgumentConfig{
|
|
|
|
Type: GQLTypeSignalInput(),
|
|
|
|
},
|
|
|
|
},
|
|
|
|
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
server, ok := p.Context.Value("gql_server").(*GQLServer)
|
|
|
|
if ok == false {
|
|
|
|
return nil, errors.New(fmt.Sprintf("Failed to cast context gql_server to GQLServer: %+v", p.Context.Value("gql_server")))
|
|
|
|
}
|
|
|
|
|
|
|
|
signal_map, ok := p.Args["signal"].(map[string]interface{})
|
|
|
|
if ok == false {
|
|
|
|
return nil, errors.New(fmt.Sprintf("Failed to cast arg signal to GraphSignal: %+v", p.Args["signal"]))
|
|
|
|
}
|
2023-06-18 18:11:59 -06:00
|
|
|
var signal GraphSignal = nil
|
|
|
|
if signal_map["Downwards"] == false {
|
|
|
|
signal = NewSignal(server, signal_map["Type"].(string))
|
|
|
|
} else {
|
|
|
|
signal = NewDownSignal(server, signal_map["Type"].(string))
|
|
|
|
}
|
2023-06-13 14:10:59 -06:00
|
|
|
|
|
|
|
id , ok := p.Args["id"].(string)
|
|
|
|
if ok == false {
|
|
|
|
return nil, errors.New("Failed to cast arg id to string")
|
|
|
|
}
|
|
|
|
|
|
|
|
owner := server.Owner()
|
|
|
|
if owner == nil {
|
|
|
|
return nil, errors.New("Cannot send update without owner")
|
|
|
|
}
|
|
|
|
|
|
|
|
root_event, ok := owner.(Event)
|
|
|
|
if ok == false {
|
|
|
|
return nil, errors.New("Cannot send update to Event unless owned by an Event")
|
|
|
|
}
|
|
|
|
|
|
|
|
node := FindChild(root_event, id)
|
|
|
|
if node == nil {
|
|
|
|
return nil, errors.New("Failed to find id in event tree from server")
|
|
|
|
}
|
|
|
|
|
|
|
|
SendUpdate(node, signal)
|
|
|
|
return signal, nil
|
|
|
|
},
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return gql_mutation_update_event
|
|
|
|
}
|
2023-06-08 16:41:51 -06:00
|
|
|
|
2023-06-07 22:46:42 -06:00
|
|
|
type GQLServer struct {
|
|
|
|
BaseResource
|
|
|
|
abort chan error
|
|
|
|
listen string
|
|
|
|
gql_channel chan error
|
2023-06-07 23:01:06 -06:00
|
|
|
extended_types map[reflect.Type]*graphql.Object
|
2023-06-13 14:10:59 -06:00
|
|
|
extended_queries map[string]*graphql.Field
|
2023-06-16 16:53:29 -06:00
|
|
|
extended_subscriptions map[string]*graphql.Field
|
2023-06-13 14:10:59 -06:00
|
|
|
extended_mutations map[string]*graphql.Field
|
2023-06-07 22:46:42 -06:00
|
|
|
}
|
|
|
|
|
2023-06-16 18:27:03 -06:00
|
|
|
func NewGQLServer(listen string, extended_types map[reflect.Type]*graphql.Object, extended_queries map[string]*graphql.Field, extended_mutations map[string]*graphql.Field, extended_subscriptions map[string]*graphql.Field) * GQLServer {
|
2023-06-07 22:46:42 -06:00
|
|
|
server := &GQLServer{
|
|
|
|
BaseResource: NewBaseResource("GQL Server", "graphql server for event signals", []Resource{}),
|
|
|
|
listen: listen,
|
|
|
|
abort: make(chan error, 1),
|
|
|
|
gql_channel: make(chan error, 1),
|
2023-06-07 23:01:06 -06:00
|
|
|
extended_types: extended_types,
|
2023-06-13 14:10:59 -06:00
|
|
|
extended_queries: extended_queries,
|
|
|
|
extended_mutations: extended_mutations,
|
2023-06-16 18:27:03 -06:00
|
|
|
extended_subscriptions: extended_subscriptions,
|
2023-06-07 22:46:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
return server
|
|
|
|
}
|
|
|
|
|
2023-06-18 19:14:07 -06:00
|
|
|
func (server * GQLServer) PropagateUpdate(signal GraphSignal) {
|
2023-06-07 22:46:42 -06:00
|
|
|
server.signal <- signal
|
2023-06-18 19:14:07 -06:00
|
|
|
server.BaseResource.PropagateUpdate(signal)
|
2023-06-07 22:46:42 -06:00
|
|
|
}
|
|
|
|
|
2023-06-16 17:20:16 -06:00
|
|
|
func GQLSubscribeSignal(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return GQLSubscribeFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error) {
|
|
|
|
return signal, nil
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
func GQLSubscribeFn(p graphql.ResolveParams, fn func(GraphSignal, graphql.ResolveParams)(interface{}, error))(interface{}, error) {
|
|
|
|
server, ok := p.Context.Value("gql_server").(*GQLServer)
|
|
|
|
if ok == false {
|
|
|
|
return nil, fmt.Errorf("Failed to get gql_Server from context and cast to GQLServer")
|
|
|
|
}
|
|
|
|
|
|
|
|
c := make(chan interface{})
|
|
|
|
go func(c chan interface{}, server *GQLServer) {
|
|
|
|
sig_c := server.UpdateChannel()
|
|
|
|
for {
|
|
|
|
val, ok := <- sig_c
|
|
|
|
if ok == false {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
ret, err := fn(val, p)
|
|
|
|
if err != nil {
|
|
|
|
log.Logf("gqlws", "type convertor error %s", err)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
c <- ret
|
|
|
|
}
|
|
|
|
}(c, server)
|
|
|
|
return c, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
var gql_subscription_update * graphql.Field = nil
|
|
|
|
func GQLSubscriptionUpdate() * graphql.Field {
|
|
|
|
if gql_subscription_update == nil {
|
|
|
|
gql_subscription_update = &graphql.Field{
|
|
|
|
Type: GQLTypeSignal(),
|
|
|
|
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
return p.Source, nil
|
|
|
|
},
|
|
|
|
Subscribe: GQLSubscribeSignal,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return gql_subscription_update
|
|
|
|
}
|
|
|
|
|
2023-06-16 16:53:29 -06:00
|
|
|
func MakeGQLHandlers(server * GQLServer) (func(http.ResponseWriter, *http.Request), func(http.ResponseWriter, *http.Request)) {
|
2023-06-07 22:46:42 -06:00
|
|
|
valid_events := map[reflect.Type]*graphql.Object{}
|
|
|
|
valid_events[reflect.TypeOf((*BaseEvent)(nil))] = GQLTypeBaseEvent()
|
|
|
|
valid_events[reflect.TypeOf((*EventQueue)(nil))] = GQLTypeEventQueue()
|
|
|
|
|
2023-06-08 00:19:55 -06:00
|
|
|
valid_resources := map[reflect.Type]*graphql.Object{}
|
|
|
|
valid_resources[reflect.TypeOf((*BaseResource)(nil))] = GQLTypeBaseResource()
|
|
|
|
|
2023-06-08 16:41:51 -06:00
|
|
|
gql_types := []graphql.Type{GQLTypeBaseEvent(), GQLTypeEventQueue(), GQLTypeSignal(), GQLTypeSignalInput()}
|
2023-06-07 23:01:06 -06:00
|
|
|
for go_t, gql_t := range(server.extended_types) {
|
2023-06-07 22:46:42 -06:00
|
|
|
valid_events[go_t] = gql_t
|
2023-06-07 23:01:06 -06:00
|
|
|
gql_types = append(gql_types, gql_t)
|
2023-06-07 22:46:42 -06:00
|
|
|
}
|
|
|
|
|
2023-06-13 14:10:59 -06:00
|
|
|
gql_queries := graphql.Fields{
|
|
|
|
"Owner": GQLQueryOwner(),
|
|
|
|
}
|
|
|
|
|
|
|
|
for key, value := range(server.extended_queries) {
|
|
|
|
gql_queries[key] = value
|
|
|
|
}
|
|
|
|
|
2023-06-16 16:53:29 -06:00
|
|
|
gql_subscriptions := graphql.Fields{
|
2023-06-16 17:42:49 -06:00
|
|
|
"Updates": GQLSubscriptionUpdate(),
|
2023-06-16 16:53:29 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
for key, value := range(server.extended_subscriptions) {
|
|
|
|
gql_subscriptions[key] = value
|
|
|
|
}
|
|
|
|
|
2023-06-13 14:10:59 -06:00
|
|
|
gql_mutations := graphql.Fields{
|
|
|
|
"updateEvent": GQLMutationUpdateEvent(),
|
|
|
|
}
|
|
|
|
|
|
|
|
for key, value := range(server.extended_mutations) {
|
|
|
|
gql_mutations[key] = value
|
|
|
|
}
|
|
|
|
|
2023-06-07 22:46:42 -06:00
|
|
|
schemaConfig := graphql.SchemaConfig{
|
2023-06-07 23:01:06 -06:00
|
|
|
Types: gql_types,
|
2023-06-07 22:46:42 -06:00
|
|
|
Query: graphql.NewObject(graphql.ObjectConfig{
|
|
|
|
Name: "Query",
|
2023-06-13 14:10:59 -06:00
|
|
|
Fields: gql_queries,
|
|
|
|
}),
|
|
|
|
Mutation: graphql.NewObject(graphql.ObjectConfig{
|
|
|
|
Name: "Mutation",
|
|
|
|
Fields: gql_mutations,
|
2023-06-07 22:46:42 -06:00
|
|
|
}),
|
2023-06-16 16:53:29 -06:00
|
|
|
Subscription: graphql.NewObject(graphql.ObjectConfig{
|
|
|
|
Name: "Subscription",
|
|
|
|
Fields: gql_subscriptions,
|
|
|
|
}),
|
2023-06-07 22:46:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
schema, err := graphql.NewSchema(schemaConfig)
|
|
|
|
if err != nil{
|
|
|
|
panic(err)
|
|
|
|
}
|
2023-06-08 00:19:55 -06:00
|
|
|
ctx := context.Background()
|
|
|
|
ctx = context.WithValue(ctx, "valid_events", valid_events)
|
|
|
|
ctx = context.WithValue(ctx, "valid_resources", valid_resources)
|
2023-06-13 14:10:59 -06:00
|
|
|
ctx = context.WithValue(ctx, "gql_server", server)
|
2023-06-16 16:53:29 -06:00
|
|
|
return GQLHandler(schema, ctx), GQLWSHandler(schema, ctx)
|
2023-06-07 22:46:42 -06:00
|
|
|
}
|
|
|
|
|
2023-06-13 14:10:59 -06:00
|
|
|
var gql_query_owner *graphql.Field = nil
|
|
|
|
func GQLQueryOwner() *graphql.Field {
|
|
|
|
if gql_query_owner == nil {
|
|
|
|
gql_query_owner = &graphql.Field{
|
|
|
|
Type: GQLInterfaceEvent(),
|
|
|
|
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
|
|
|
|
server, ok := p.Context.Value("gql_server").(*GQLServer)
|
|
|
|
|
|
|
|
if ok == false {
|
|
|
|
panic("Failed to get/cast gql_server from context")
|
|
|
|
}
|
|
|
|
|
|
|
|
return server.Owner(), nil
|
|
|
|
},
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return gql_query_owner
|
|
|
|
}
|
|
|
|
|
2023-06-07 22:46:42 -06:00
|
|
|
func (server * GQLServer) Init(abort chan error) bool {
|
|
|
|
go func(abort chan error) {
|
|
|
|
log.Logf("gql", "GOROUTINE_START for %s", server.ID())
|
|
|
|
|
|
|
|
mux := http.NewServeMux()
|
2023-06-16 16:53:29 -06:00
|
|
|
http_handler, ws_handler := MakeGQLHandlers(server)
|
|
|
|
mux.HandleFunc("/gql", http_handler)
|
|
|
|
mux.HandleFunc("/gqlws", ws_handler)
|
2023-06-07 22:46:42 -06:00
|
|
|
mux.HandleFunc("/", GraphiQLHandler())
|
|
|
|
|
|
|
|
srv := &http.Server{
|
|
|
|
Addr: server.listen,
|
|
|
|
Handler: mux,
|
|
|
|
}
|
|
|
|
|
|
|
|
http_done := &sync.WaitGroup{}
|
|
|
|
http_done.Add(1)
|
|
|
|
go func(srv *http.Server, http_done *sync.WaitGroup) {
|
|
|
|
defer http_done.Done()
|
|
|
|
err := srv.ListenAndServe()
|
|
|
|
if err != http.ErrServerClosed {
|
|
|
|
panic(fmt.Sprintf("Failed to start gql server: %s", err))
|
|
|
|
}
|
|
|
|
}(srv, http_done)
|
|
|
|
|
|
|
|
for true {
|
|
|
|
select {
|
|
|
|
case <-abort:
|
|
|
|
log.Logf("gql", "GOROUTINE_ABORT for %s", server.ID())
|
|
|
|
err := srv.Shutdown(context.Background())
|
|
|
|
if err != nil{
|
|
|
|
panic(fmt.Sprintf("Failed to shutdown gql server: %s", err))
|
|
|
|
}
|
|
|
|
http_done.Wait()
|
|
|
|
break
|
|
|
|
case signal:=<-server.signal:
|
|
|
|
log.Logf("gql", "GOROUTINE_SIGNAL for %s: %+v", server.ID(), signal)
|
|
|
|
// Take signals to resource and send to GQL subscriptions
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}(abort)
|
|
|
|
return true
|
|
|
|
}
|