添加初始提交

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

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;
+}