From 24573524a63f69f49e50b2d12739d6aaaaaabc83 Mon Sep 17 00:00:00 2001 From: BeGild Date: Tue, 16 Jul 2024 07:55:44 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=88=9D=E5=A7=8B=E6=8F=90?= =?UTF-8?q?=E4=BA=A4?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 1. 编译已经通过 2. 添加好了rpc客户端的基本实现 3. 添加好了fuser的架子，内容等待实现 --- .gitignore | 1 + Cargo.lock | 1233 +++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 19 + build.rs | 4 + proto/lws.proto | 211 ++++++++ src/client.rs | 19 + src/lib.rs | 109 +++++ src/main.rs | 3 + 8 files changed, 1599 insertions(+) create mode 100644 .gitignore create mode 100755 Cargo.lock create mode 100644 Cargo.toml create mode 100755 build.rs create mode 100644 proto/lws.proto create mode 100755 src/client.rs create mode 100644 src/lib.rs create mode 100644 src/main.rs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff 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"src/client.rs" + +[dependencies] +tonic = "0.11" +prost = "0.12" +tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] } +serde = { version = "1.0", features = ["derive"] } +serde_json = "1.0" +fuser = "0.14.0" + +[build-dependencies] +tonic-build = "0.11" diff --git a/build.rs b/build.rs new file mode 100755 index 0000000..a38129c --- /dev/null +++ b/build.rs @@ -0,0 +1,4 @@ +fn main() -> Result<(), Box> { + tonic_build::compile_protos("proto/lws.proto")?; + Ok(()) +} \ No newline at end of file diff --git a/proto/lws.proto b/proto/lws.proto new file mode 100644 index 0000000..ef8942b --- /dev/null +++ b/proto/lws.proto @@ -0,0 +1,211 @@ +// Copyright 2015 gRPC authors. +// +// 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. + +syntax = "proto3"; + +package lws_vfs; + +service LwsVfs { + // Sends a greeting + rpc SayHello(HelloRequest) returns (HelloReply) {} + + rpc fgetattr(getattr) returns (getattr) {} + rpc fsetxattr(setxattr) returns (setxattr) {} + rpc faccess(access) returns (access) {} + rpc freaddir(readdir) returns (readdir) {} + rpc fread(read) returns (read) {} + rpc fopen(open) returns (open) {} + rpc fwrite(write) returns (write) {} + rpc fgetxattr(getxattr) returns (getxattr) {} + rpc ftruncate(truncate) returns (truncate) {} + rpc futimens(utimens) returns (utimens) {} + rpc fchown(chown) returns (chown) {} + rpc frelease(release) returns (release) {} + rpc fmkdir(mkdir) returns (mkdir) {} + rpc frmdir(rmdir) returns (rmdir) {} + rpc fflush(flush) returns (flush) {} + rpc fopendir(opendir) returns (opendir) {} + rpc freleasedir(releasedir) returns (releasedir) {} + rpc fcreate(create) returns (create) {} + rpc funlink(unlink) returns (unlink) {} + rpc frename(rename) returns (rename) {} +} + +// The request message containing the user's name. +message HelloRequest { string name = 1; } + +// The response message containing the greetings +message HelloReply { string message = 1; } + +message file_info { + int32 flags = 1; + uint32 fh_old = 2; + bool direct_io = 3; + uint64 fh = 10; + uint64 lock_owner = 11; +} + +message fstat { + uint64 fst_mode = 1; + uint64 fst_ino = 2; + uint64 fst_dev = 3; + uint64 fst_rdev = 4; + uint64 fst_nlink = 5; + uint64 fst_uid = 6; + uint64 fst_gid = 7; + uint64 fst_size = 8; + uint64 fst_atime = 9; + uint64 fst_mtime = 10; + uint64 fst_ctime = 11; + uint64 fst_blksize = 12; + uint64 fst_blocks = 13; +} + +// fuse api function message define: +message getattr { + string path = 1; + fstat stat = 2; + int32 ret = 15; +} + +message setxattr { + string path = 1; + string name = 2; + bytes value = 3; + int64 size = 4; + uint32 flags = 5; + int32 ret = 15; +} +message getxattr { + string path = 1; + string name = 2; + bytes value = 3; + int64 size = 4; + int32 ret = 15; +} + +message access { + string path = 1; + uint32 mask = 2; + int32 ret = 15; +} + +message readdir { + string path = 1; + repeated string dirs = 2; + uint32 offset = 3; + file_info fi = 4; + int32 ret = 15; +} + +message open { + string path = 1; + file_info fi = 2; + int32 ret = 15; +} + +message read { + string path = 1; + bytes buff = 2; + int64 size = 3; + int64 offset = 4; + file_info fi = 5; + int32 ret = 15; +} + +message write { + string path = 1; + bytes buff = 2; + int64 size = 3; + int64 offset = 4; + file_info fi = 5; + int32 ret = 15; +} + +message truncate { + string path = 1; + int64 size = 3; + int32 ret = 15; +} + +message timespec { + int32 tv_sec = 1; + int64 tv_nsec = 2; +} +message utimens { + string path = 1; + repeated timespec ts = 2; // const struct timespec ts[2] + int32 ret = 15; +} + +message chown { + string path = 1; + int32 uid = 2; + int32 gid = 3; + int32 ret = 15; +} + +message release { + string path = 1; + file_info fi = 2; + int32 ret = 15; +} + +message mkdir { + string path = 1; + file_info fi = 2; + uint32 mode = 3; + int32 ret = 15; +} + +message rmdir { + string path = 1; + int32 ret = 15; +} + +message flush { + string path = 1; + file_info fi = 2; + int32 ret = 15; +} + +message opendir { + string path = 1; + file_info fi = 2; + int32 ret = 15; +} + +message releasedir { + string path = 1; + file_info fi = 2; + int32 ret = 15; +} + +message create { + string path = 1; + uint32 mode = 2; + file_info fi = 3; + int32 ret = 15; +} + +message unlink { + string path = 1; + int32 ret = 15; +} + +message rename { + string path = 1; + string new = 2; + int32 ret = 15; +} \ No newline at end of file diff --git a/src/client.rs b/src/client.rs new file mode 100755 index 0000000..f9a57a4 --- /dev/null +++ b/src/client.rs @@ -0,0 +1,19 @@ +use lws_client::LwsVfsIns; +#[tokio::main] +async fn main() -> Result<(), Box> { + let mut lws_ins = match LwsVfsIns::new("config.json").await{ + Ok(ins) => ins, + Err(e) => { + println!("Error creating lws server instance: {:?}", e); + return Err(e); + } + }; + match lws_ins.hello().await{ + Err(e) => { + println!("lws client instance hello err {:?}", e); + return Err(e); + }, + _ =>{}, + } + LwsVfsIns::mount(lws_ins) +} diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..b787cd1 --- /dev/null +++ b/src/lib.rs @@ -0,0 +1,109 @@ +use lws_client::HelloRequest; +use std::{io::Read as _}; +use std::fs::File; +use std::error::Error; +use std::collections::HashMap; +use serde_json::{self, Value}; +use lws_client::lws_vfs_client::LwsVfsClient; +use std::os::raw::c_int; + +use fuser::{ + KernelConfig, FileAttr, FileType, Filesystem, MountOption, ReplyAttr, ReplyData, ReplyDirectory, ReplyEntry, + Request, +}; + +pub mod lws_client { + tonic::include_proto!("lws_vfs"); //导入lws vfs proto buffer +} + +#[derive(Debug, Default)] +pub struct Config { + port: u16, + addr: String, + mount_map: HashMap, +} +impl Config { + pub fn new(json: &str) -> Result> { + let mut file = File::open(json)?; + let mut buffer = String::new(); + file.read_to_string(&mut buffer)?; + let json: Value = serde_json::from_str(buffer.as_ref())?; + let port: u16 = match json.get("port") { + Some(port) => port.as_u64().expect("expect port is a number but its not") as u16, + None => 5001, + }; + let addr: String = match json.get("addr") { + Some(addr) => addr.as_str().expect("expect addr is a String but its not").to_string(), + None => "localhost".to_string(), + }; + let mounts = match json.get("mount") { + Some(mounts) => mounts.as_object().unwrap(), + None => { + return Err(Box::new(std::io::Error::new( + std::io::ErrorKind::Other, + "no mount map", + ))) + } + }; + let mount_map = mounts + .iter() + .map(|(key, value)| { + ( + key.as_str().to_string(), + value.as_str().unwrap().to_string(), + ) + }) + .collect(); + Ok(Config { port, addr, mount_map }) + } + + pub fn get_port(&self) -> u16 { + self.port + } + + pub fn get_addr(&self) -> &String { + &self.addr + } +} + +pub struct LwsVfsIns { + pub config: Config, + rpc: LwsVfsClient +} + +impl Filesystem for LwsVfsIns { + fn init(&mut self, _req: &Request, #[allow(unused_variables)] config: &mut KernelConfig, + ) -> Result<(), c_int> { + + Ok(()) + } +} + +impl LwsVfsIns { + pub async fn new(json: &str) -> Result> { + let config = Config::new(json)?; + let addr = format!("http://{}:{}", config.get_addr(), config.get_port()); + //connect to server + let rpc = LwsVfsClient::connect(addr).await?; + Ok(LwsVfsIns { + config, + rpc, + }) + } + pub async fn hello(&mut self) -> Result<(), Box> { + let request = tonic::Request::new(HelloRequest { + name: "Ekko lws hello".into(), + }); + let response = &self.rpc.say_hello(request).await?; + + println!("RESPONSE={:?}", response); + Ok(()) + } + pub fn mount(file_system:FS) -> Result<(), Box> { + let mountpoint = "/mnt"; + let options = vec![MountOption::RO, MountOption::FSName("lws_fs".to_string())]; + fuser::mount2(file_system, mountpoint, &options).unwrap(); + Ok(()) + } +} + diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..e7a11a9 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,3 @@ +fn main() { + println!("Hello, world!"); +}