113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
// Copyright 2014 The Cayley Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build appengine
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package main
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import (
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"fmt"
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"os"
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"time"
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"github.com/barakmich/glog"
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"github.com/google/cayley/internal/config"
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"github.com/google/cayley/internal/db"
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"github.com/google/cayley/internal/http"
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_ "github.com/google/cayley/graph/gaedatastore"
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_ "github.com/google/cayley/writer"
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)
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var (
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quadFile = ""
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quadType = "cquad"
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cpuprofile = ""
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queryLanguage = "gremlin"
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configFile = ""
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databasePath = ""
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databaseBackend = "gaedatastore"
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replicationBackend = "single"
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host = "127.0.0.1"
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loadSize = 100
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port = "64210"
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readOnly = false
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timeout = 30 * time.Second
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)
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func configFrom(file string) (*config.Config, error) {
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// Find the file...
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if file != "" {
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if _, err := os.Stat(file); os.IsNotExist(err) {
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return nil, fmt.Errorf("Cannot find specified configuration file", file)
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}
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} else if _, err := os.Stat("/cayley_appengine.cfg"); err == nil {
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file = "/cayley_appengine.cfg"
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}
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if file == "" {
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glog.Infoln("Couldn't find a config file appengine.cfg. Going by flag defaults only.")
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}
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cfg, err := config.Load(file)
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if err != nil {
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return nil, err
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}
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if cfg.DatabasePath == "" {
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cfg.DatabasePath = databasePath
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}
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if cfg.DatabaseType == "" {
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cfg.DatabaseType = databaseBackend
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}
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if cfg.ReplicationType == "" {
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cfg.ReplicationType = replicationBackend
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}
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if cfg.ListenHost == "" {
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cfg.ListenHost = host
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}
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if cfg.ListenPort == "" {
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cfg.ListenPort = port
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}
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if cfg.Timeout == 0 {
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cfg.Timeout = timeout
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}
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if cfg.LoadSize == 0 {
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cfg.LoadSize = loadSize
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}
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cfg.ReadOnly = cfg.ReadOnly || readOnly
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return cfg, nil
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}
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func init() {
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glog.SetToStderr(true)
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cfg, err := configFrom("cayley_appengine.cfg")
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if err != nil {
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glog.Fatalln("Error loading config:", err)
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}
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handle, err := db.Open(cfg)
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if err != nil {
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glog.Fatalln("Error opening database:", err)
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}
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http.SetupRoutes(handle, cfg)
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}
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