| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Package server implements the rpc gpu debugger service, queriable by the |
| // clients, along with some helpers exposed via an http listener. |
| package server |
| |
| import ( |
| "fmt" |
| "net/http" |
| _ "net/http/pprof" |
| |
| "android.googlesource.com/platform/tools/gpu/builder" |
| "android.googlesource.com/platform/tools/gpu/database" |
| "android.googlesource.com/platform/tools/gpu/log" |
| "android.googlesource.com/platform/tools/gpu/replay" |
| ) |
| |
| type Config struct { |
| HttpAddress string |
| RpcAddress string |
| DataPath string |
| LogfilePath string |
| } |
| |
| const ( |
| atomsRoute = "/atoms/" |
| schemaRoute = "/schema/" |
| |
| maxDataCacheSize = 2 << 30 // 2 gigabytes |
| maxDerivedCacheSize = 1 << 29 // 0.5 gigabytes |
| metaDataCompactionSize = 100 << 20 // 100 metabytes |
| mtu = 1024 |
| ) |
| |
| // Run listens on the HTTP and RPC TCP ports given in config, initializes the resource database, |
| // the replay manager and handles HTTP and RPC requests on incoming connections. If not nil, the |
| // rpcReady channel is closed as soon as incoming RPC requests can start being issued. |
| func Run(config Config, rpcReady chan<- struct{}) { |
| // Create the server logfile. |
| logger, err := log.File(config.LogfilePath) |
| if err != nil { |
| panic(err) |
| } |
| defer logger.Close() |
| fmt.Printf("Server log file created at: %s\n", config.LogfilePath) |
| |
| // Initialize the resource database and replay manager for RPC requests. |
| b := builder.New() |
| database := database.Create(config.DataPath, maxDataCacheSize, metaDataCompactionSize, maxDerivedCacheSize, b) |
| replayManager := replay.New(database, logger) |
| b.SetReplayManager(replayManager) |
| |
| // Setup and run the (blocking) RPC listener on a separate goroutine. |
| rpc := &rpcServer{ |
| Database: database, |
| ReplayManager: replayManager, |
| } |
| go rpc.ListenAndServe(config.RpcAddress, mtu, logger) |
| |
| // If provided, tell the caller chan that the RPC listener is ready. |
| if nil != rpcReady { |
| close(rpcReady) |
| } |
| |
| // Setup and run the (blocking) HTTP listener. |
| http.Handle(atomsRoute, http.StripPrefix(atomsRoute, atomsHandler{database})) |
| http.Handle(schemaRoute, http.StripPrefix(schemaRoute, http.HandlerFunc(schemaHandler))) |
| http.ListenAndServe(config.HttpAddress, nil) |
| } |