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Adding file upload and download capabilities (#1610)

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This commit is contained in:
Janos Dobronszki
2020-05-11 14:08:27 +02:00
committed by GitHub
parent 688228377b
commit 1eb63635b5
9 changed files with 1900 additions and 280 deletions
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188
util/file/client.go Normal file
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@@ -0,0 +1,188 @@
package file
import (
"bufio"
"context"
"errors"
"fmt"
"io"
"log"
"os"
"github.com/micro/go-micro/v2/client"
proto "github.com/micro/go-micro/v2/util/file/proto"
)
// Client is the client interface to access files
type Client interface {
Open(filename string) (int64, error)
Stat(filename string) (*proto.StatResponse, error)
GetBlock(sessionId, blockId int64) ([]byte, error)
ReadAt(sessionId, offset, size int64) ([]byte, error)
Read(sessionId int64, buf []byte) (int, error)
Write(sessionId, offset int64, data []byte) error
Close(sessionId int64) error
Download(filename, saveFile string) error
Upload(filename, localFile string) error
DownloadAt(filename, saveFile string, blockId int) error
}
// NewClient returns a new Client which uses a micro Client
func NewClient(service string, c client.Client) Client {
return &fc{proto.NewFileService(service, c)}
}
const (
blockSize = 512 * 1024
)
type fc struct {
c proto.FileService
}
func (c *fc) Open(filename string) (int64, error) {
rsp, err := c.c.Open(context.TODO(), &proto.OpenRequest{Filename: filename})
if err != nil {
return 0, err
}
return rsp.Id, nil
}
func (c *fc) Stat(filename string) (*proto.StatResponse, error) {
return c.c.Stat(context.TODO(), &proto.StatRequest{Filename: filename})
}
func (c *fc) GetBlock(sessionId, blockId int64) ([]byte, error) {
return c.ReadAt(sessionId, blockId*blockSize, blockSize)
}
func (c *fc) ReadAt(sessionId, offset, size int64) ([]byte, error) {
rsp, err := c.c.Read(context.TODO(), &proto.ReadRequest{Id: sessionId, Size: size, Offset: offset})
if err != nil {
return nil, err
}
if rsp.Eof {
err = io.EOF
}
if rsp.Data == nil {
rsp.Data = make([]byte, size)
}
if size != rsp.Size {
return rsp.Data[:rsp.Size], err
}
return rsp.Data, nil
}
func (c *fc) Read(sessionId int64, buf []byte) (int, error) {
b, err := c.ReadAt(sessionId, 0, int64(cap(buf)))
if err != nil {
return 0, err
}
copy(buf, b)
return len(b), nil
}
func (c *fc) Write(sessionId, offset int64, data []byte) error {
_, err := c.c.Write(context.TODO(), &proto.WriteRequest{
Id: sessionId,
Offset: offset,
Data: data})
return err
}
func (c *fc) Close(sessionId int64) error {
_, err := c.c.Close(context.TODO(), &proto.CloseRequest{Id: sessionId})
return err
}
func (c *fc) Download(filename, saveFile string) error {
return c.DownloadAt(filename, saveFile, 0)
}
func (c *fc) Upload(filename, localFile string) error {
file, err := os.Open(localFile)
if err != nil {
return err
}
defer file.Close()
offset := 0
sessionId, err := c.Open(filename)
defer c.Close(sessionId)
if err != nil {
return err
}
reader := bufio.NewReader(file)
part := make([]byte, blockSize)
for {
count, err := reader.Read(part)
if err != nil {
break
}
err = c.Write(sessionId, int64(offset), part)
if err != nil {
return err
}
offset += count
}
if err != nil && err != io.EOF {
return fmt.Errorf("Error reading %v: %v", localFile, err)
}
return nil
}
func (c *fc) DownloadAt(filename, saveFile string, blockId int) error {
stat, err := c.Stat(filename)
if err != nil {
return err
}
if stat.Type == "Directory" {
return errors.New(fmt.Sprintf("%s is directory.", filename))
}
blocks := int(stat.Size / blockSize)
if stat.Size%blockSize != 0 {
blocks += 1
}
log.Printf("Download %s in %d blocks\n", filename, blocks-blockId)
file, err := os.OpenFile(saveFile, os.O_CREATE|os.O_WRONLY, 0666)
if err != nil {
return err
}
defer file.Close()
sessionId, err := c.Open(filename)
if err != nil {
return err
}
for i := blockId; i < blocks; i++ {
buf, rerr := c.GetBlock(sessionId, int64(i))
if rerr != nil && rerr != io.EOF {
return rerr
}
if _, werr := file.WriteAt(buf, int64(i)*blockSize); werr != nil {
return werr
}
if i%((blocks-blockId)/100+1) == 0 {
log.Printf("Downloading %s [%d/%d] blocks", filename, i-blockId+1, blocks-blockId)
}
if rerr == io.EOF {
break
}
}
log.Printf("Download %s completed", filename)
c.Close(sessionId)
return nil
}

150
util/file/handler.go Normal file
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@@ -0,0 +1,150 @@
package file
import (
"io"
"os"
"path/filepath"
"sync"
"github.com/micro/go-micro/errors"
"github.com/micro/go-micro/v2/logger"
"github.com/micro/go-micro/v2/server"
proto "github.com/micro/go-micro/v2/util/file/proto"
"golang.org/x/net/context"
)
// NewHandler is a handler that can be registered with a micro Server
func NewHandler(readDir string) proto.FileHandler {
return &handler{
readDir: readDir,
session: &session{
files: make(map[int64]*os.File),
},
}
}
// RegisterHandler is a convenience method for registering a handler
func RegisterHandler(s server.Server, readDir string) {
proto.RegisterFileHandler(s, NewHandler(readDir))
}
type handler struct {
readDir string
session *session
}
func (h *handler) Open(ctx context.Context, req *proto.OpenRequest, rsp *proto.OpenResponse) error {
path := filepath.Join(h.readDir, req.Filename)
file, err := os.OpenFile(path, os.O_CREATE|os.O_RDWR, 0666)
if err != nil {
return errors.InternalServerError("go.micro.server", err.Error())
}
rsp.Id = h.session.Add(file)
rsp.Result = true
logger.Debugf("Open %s, sessionId=%d", req.Filename, rsp.Id)
return nil
}
func (h *handler) Close(ctx context.Context, req *proto.CloseRequest, rsp *proto.CloseResponse) error {
h.session.Delete(req.Id)
logger.Debugf("Close sessionId=%d", req.Id)
return nil
}
func (h *handler) Stat(ctx context.Context, req *proto.StatRequest, rsp *proto.StatResponse) error {
path := filepath.Join(h.readDir, req.Filename)
fi, err := os.Stat(path)
if os.IsNotExist(err) {
return errors.InternalServerError("go.micro.srv.file", err.Error())
}
if fi.IsDir() {
rsp.Type = "Directory"
} else {
rsp.Type = "File"
rsp.Size = fi.Size()
}
rsp.LastModified = fi.ModTime().Unix()
logger.Debugf("Stat %s, %#v", req.Filename, rsp)
return nil
}
func (h *handler) Read(ctx context.Context, req *proto.ReadRequest, rsp *proto.ReadResponse) error {
file := h.session.Get(req.Id)
if file == nil {
return errors.InternalServerError("go.micro.srv.file", "You must call open first.")
}
rsp.Data = make([]byte, req.Size)
n, err := file.ReadAt(rsp.Data, req.Offset)
if err != nil && err != io.EOF {
return errors.InternalServerError("go.micro.srv.file", err.Error())
}
if err == io.EOF {
rsp.Eof = true
}
rsp.Size = int64(n)
rsp.Data = rsp.Data[:n]
logger.Debugf("Read sessionId=%d, Offset=%d, n=%d", req.Id, req.Offset, rsp.Size)
return nil
}
func (h *handler) Write(ctx context.Context, req *proto.WriteRequest, rsp *proto.WriteResponse) error {
file := h.session.Get(req.Id)
if file == nil {
return errors.InternalServerError("go.micro.srv.file", "You must call open first.")
}
if _, err := file.WriteAt(req.GetData(), req.GetOffset()); err != nil {
return err
}
logger.Debugf("Write sessionId=%d, Offset=%d, n=%d", req.Id, req.Offset)
return nil
}
type session struct {
sync.Mutex
files map[int64]*os.File
counter int64
}
func (s *session) Add(file *os.File) int64 {
s.Lock()
defer s.Unlock()
s.counter += 1
s.files[s.counter] = file
return s.counter
}
func (s *session) Get(id int64) *os.File {
s.Lock()
defer s.Unlock()
return s.files[id]
}
func (s *session) Delete(id int64) {
s.Lock()
defer s.Unlock()
if file, exist := s.files[id]; exist {
file.Close()
delete(s.files, id)
}
}
func (s *session) Len() int {
return len(s.files)
}

958
util/file/proto/file.pb.go Normal file
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@@ -0,0 +1,958 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.22.0
// protoc v3.6.1
// source: micro/go-micro/util/file/proto/file.proto
package go_micro_server
import (
proto "github.com/golang/protobuf/proto"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
type OpenRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Filename string `protobuf:"bytes,1,opt,name=filename,proto3" json:"filename,omitempty"`
}
func (x *OpenRequest) Reset() {
*x = OpenRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *OpenRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*OpenRequest) ProtoMessage() {}
func (x *OpenRequest) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use OpenRequest.ProtoReflect.Descriptor instead.
func (*OpenRequest) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{0}
}
func (x *OpenRequest) GetFilename() string {
if x != nil {
return x.Filename
}
return ""
}
type OpenResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id int64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
Result bool `protobuf:"varint,2,opt,name=result,proto3" json:"result,omitempty"`
}
func (x *OpenResponse) Reset() {
*x = OpenResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *OpenResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*OpenResponse) ProtoMessage() {}
func (x *OpenResponse) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use OpenResponse.ProtoReflect.Descriptor instead.
func (*OpenResponse) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{1}
}
func (x *OpenResponse) GetId() int64 {
if x != nil {
return x.Id
}
return 0
}
func (x *OpenResponse) GetResult() bool {
if x != nil {
return x.Result
}
return false
}
type CloseRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id int64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
}
func (x *CloseRequest) Reset() {
*x = CloseRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CloseRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CloseRequest) ProtoMessage() {}
func (x *CloseRequest) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use CloseRequest.ProtoReflect.Descriptor instead.
func (*CloseRequest) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{2}
}
func (x *CloseRequest) GetId() int64 {
if x != nil {
return x.Id
}
return 0
}
type CloseResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *CloseResponse) Reset() {
*x = CloseResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CloseResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CloseResponse) ProtoMessage() {}
func (x *CloseResponse) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use CloseResponse.ProtoReflect.Descriptor instead.
func (*CloseResponse) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{3}
}
type StatRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Filename string `protobuf:"bytes,1,opt,name=filename,proto3" json:"filename,omitempty"`
}
func (x *StatRequest) Reset() {
*x = StatRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *StatRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*StatRequest) ProtoMessage() {}
func (x *StatRequest) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[4]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use StatRequest.ProtoReflect.Descriptor instead.
func (*StatRequest) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{4}
}
func (x *StatRequest) GetFilename() string {
if x != nil {
return x.Filename
}
return ""
}
type StatResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Type string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
Size int64 `protobuf:"varint,2,opt,name=size,proto3" json:"size,omitempty"`
LastModified int64 `protobuf:"varint,3,opt,name=last_modified,json=lastModified,proto3" json:"last_modified,omitempty"`
}
func (x *StatResponse) Reset() {
*x = StatResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[5]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *StatResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*StatResponse) ProtoMessage() {}
func (x *StatResponse) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[5]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use StatResponse.ProtoReflect.Descriptor instead.
func (*StatResponse) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{5}
}
func (x *StatResponse) GetType() string {
if x != nil {
return x.Type
}
return ""
}
func (x *StatResponse) GetSize() int64 {
if x != nil {
return x.Size
}
return 0
}
func (x *StatResponse) GetLastModified() int64 {
if x != nil {
return x.LastModified
}
return 0
}
type ReadRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id int64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
Offset int64 `protobuf:"varint,2,opt,name=offset,proto3" json:"offset,omitempty"`
Size int64 `protobuf:"varint,3,opt,name=size,proto3" json:"size,omitempty"`
}
func (x *ReadRequest) Reset() {
*x = ReadRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[6]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ReadRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ReadRequest) ProtoMessage() {}
func (x *ReadRequest) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[6]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ReadRequest.ProtoReflect.Descriptor instead.
func (*ReadRequest) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{6}
}
func (x *ReadRequest) GetId() int64 {
if x != nil {
return x.Id
}
return 0
}
func (x *ReadRequest) GetOffset() int64 {
if x != nil {
return x.Offset
}
return 0
}
func (x *ReadRequest) GetSize() int64 {
if x != nil {
return x.Size
}
return 0
}
type ReadResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Size int64 `protobuf:"varint,1,opt,name=size,proto3" json:"size,omitempty"`
Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
Eof bool `protobuf:"varint,3,opt,name=eof,proto3" json:"eof,omitempty"`
}
func (x *ReadResponse) Reset() {
*x = ReadResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[7]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ReadResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ReadResponse) ProtoMessage() {}
func (x *ReadResponse) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[7]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ReadResponse.ProtoReflect.Descriptor instead.
func (*ReadResponse) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{7}
}
func (x *ReadResponse) GetSize() int64 {
if x != nil {
return x.Size
}
return 0
}
func (x *ReadResponse) GetData() []byte {
if x != nil {
return x.Data
}
return nil
}
func (x *ReadResponse) GetEof() bool {
if x != nil {
return x.Eof
}
return false
}
type GetRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id int64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
BlockId int64 `protobuf:"varint,2,opt,name=block_id,json=blockId,proto3" json:"block_id,omitempty"`
}
func (x *GetRequest) Reset() {
*x = GetRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[8]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetRequest) ProtoMessage() {}
func (x *GetRequest) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[8]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetRequest.ProtoReflect.Descriptor instead.
func (*GetRequest) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{8}
}
func (x *GetRequest) GetId() int64 {
if x != nil {
return x.Id
}
return 0
}
func (x *GetRequest) GetBlockId() int64 {
if x != nil {
return x.BlockId
}
return 0
}
type GetResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
BlockId int64 `protobuf:"varint,1,opt,name=block_id,json=blockId,proto3" json:"block_id,omitempty"`
Size int64 `protobuf:"varint,2,opt,name=size,proto3" json:"size,omitempty"`
Data []byte `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
}
func (x *GetResponse) Reset() {
*x = GetResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[9]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetResponse) ProtoMessage() {}
func (x *GetResponse) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[9]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetResponse.ProtoReflect.Descriptor instead.
func (*GetResponse) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{9}
}
func (x *GetResponse) GetBlockId() int64 {
if x != nil {
return x.BlockId
}
return 0
}
func (x *GetResponse) GetSize() int64 {
if x != nil {
return x.Size
}
return 0
}
func (x *GetResponse) GetData() []byte {
if x != nil {
return x.Data
}
return nil
}
type WriteRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id int64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
Offset int64 `protobuf:"varint,2,opt,name=offset,proto3" json:"offset,omitempty"`
Data []byte `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
}
func (x *WriteRequest) Reset() {
*x = WriteRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[10]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *WriteRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*WriteRequest) ProtoMessage() {}
func (x *WriteRequest) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[10]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use WriteRequest.ProtoReflect.Descriptor instead.
func (*WriteRequest) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{10}
}
func (x *WriteRequest) GetId() int64 {
if x != nil {
return x.Id
}
return 0
}
func (x *WriteRequest) GetOffset() int64 {
if x != nil {
return x.Offset
}
return 0
}
func (x *WriteRequest) GetData() []byte {
if x != nil {
return x.Data
}
return nil
}
type WriteResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *WriteResponse) Reset() {
*x = WriteResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[11]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *WriteResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*WriteResponse) ProtoMessage() {}
func (x *WriteResponse) ProtoReflect() protoreflect.Message {
mi := &file_micro_go_micro_util_file_proto_file_proto_msgTypes[11]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use WriteResponse.ProtoReflect.Descriptor instead.
func (*WriteResponse) Descriptor() ([]byte, []int) {
return file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP(), []int{11}
}
var File_micro_go_micro_util_file_proto_file_proto protoreflect.FileDescriptor
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}
var (
file_micro_go_micro_util_file_proto_file_proto_rawDescOnce sync.Once
file_micro_go_micro_util_file_proto_file_proto_rawDescData = file_micro_go_micro_util_file_proto_file_proto_rawDesc
)
func file_micro_go_micro_util_file_proto_file_proto_rawDescGZIP() []byte {
file_micro_go_micro_util_file_proto_file_proto_rawDescOnce.Do(func() {
file_micro_go_micro_util_file_proto_file_proto_rawDescData = protoimpl.X.CompressGZIP(file_micro_go_micro_util_file_proto_file_proto_rawDescData)
})
return file_micro_go_micro_util_file_proto_file_proto_rawDescData
}
var file_micro_go_micro_util_file_proto_file_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
var file_micro_go_micro_util_file_proto_file_proto_goTypes = []interface{}{
(*OpenRequest)(nil), // 0: go.micro.server.OpenRequest
(*OpenResponse)(nil), // 1: go.micro.server.OpenResponse
(*CloseRequest)(nil), // 2: go.micro.server.CloseRequest
(*CloseResponse)(nil), // 3: go.micro.server.CloseResponse
(*StatRequest)(nil), // 4: go.micro.server.StatRequest
(*StatResponse)(nil), // 5: go.micro.server.StatResponse
(*ReadRequest)(nil), // 6: go.micro.server.ReadRequest
(*ReadResponse)(nil), // 7: go.micro.server.ReadResponse
(*GetRequest)(nil), // 8: go.micro.server.GetRequest
(*GetResponse)(nil), // 9: go.micro.server.GetResponse
(*WriteRequest)(nil), // 10: go.micro.server.WriteRequest
(*WriteResponse)(nil), // 11: go.micro.server.WriteResponse
}
var file_micro_go_micro_util_file_proto_file_proto_depIdxs = []int32{
0, // 0: go.micro.server.File.Open:input_type -> go.micro.server.OpenRequest
4, // 1: go.micro.server.File.Stat:input_type -> go.micro.server.StatRequest
6, // 2: go.micro.server.File.Read:input_type -> go.micro.server.ReadRequest
10, // 3: go.micro.server.File.Write:input_type -> go.micro.server.WriteRequest
2, // 4: go.micro.server.File.Close:input_type -> go.micro.server.CloseRequest
1, // 5: go.micro.server.File.Open:output_type -> go.micro.server.OpenResponse
5, // 6: go.micro.server.File.Stat:output_type -> go.micro.server.StatResponse
7, // 7: go.micro.server.File.Read:output_type -> go.micro.server.ReadResponse
11, // 8: go.micro.server.File.Write:output_type -> go.micro.server.WriteResponse
3, // 9: go.micro.server.File.Close:output_type -> go.micro.server.CloseResponse
5, // [5:10] is the sub-list for method output_type
0, // [0:5] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_micro_go_micro_util_file_proto_file_proto_init() }
func file_micro_go_micro_util_file_proto_file_proto_init() {
if File_micro_go_micro_util_file_proto_file_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_micro_go_micro_util_file_proto_file_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*OpenRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*OpenResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*CloseRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*CloseResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*StatRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*StatResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ReadRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ReadResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*WriteRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_micro_go_micro_util_file_proto_file_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*WriteResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_micro_go_micro_util_file_proto_file_proto_rawDesc,
NumEnums: 0,
NumMessages: 12,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_micro_go_micro_util_file_proto_file_proto_goTypes,
DependencyIndexes: file_micro_go_micro_util_file_proto_file_proto_depIdxs,
MessageInfos: file_micro_go_micro_util_file_proto_file_proto_msgTypes,
}.Build()
File_micro_go_micro_util_file_proto_file_proto = out.File
file_micro_go_micro_util_file_proto_file_proto_rawDesc = nil
file_micro_go_micro_util_file_proto_file_proto_goTypes = nil
file_micro_go_micro_util_file_proto_file_proto_depIdxs = nil
}

161
util/file/proto/file.pb.micro.go Normal file
View File

@@ -0,0 +1,161 @@
// Code generated by protoc-gen-micro. DO NOT EDIT.
// source: micro/go-micro/util/file/proto/file.proto
package go_micro_server
import (
fmt "fmt"
proto "github.com/golang/protobuf/proto"
math "math"
)
import (
context "context"
api "github.com/micro/go-micro/v2/api"
client "github.com/micro/go-micro/v2/client"
server "github.com/micro/go-micro/v2/server"
)
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
// Reference imports to suppress errors if they are not otherwise used.
var _ api.Endpoint
var _ context.Context
var _ client.Option
var _ server.Option
// Api Endpoints for File service
func NewFileEndpoints() []*api.Endpoint {
return []*api.Endpoint{}
}
// Client API for File service
type FileService interface {
Open(ctx context.Context, in *OpenRequest, opts ...client.CallOption) (*OpenResponse, error)
Stat(ctx context.Context, in *StatRequest, opts ...client.CallOption) (*StatResponse, error)
Read(ctx context.Context, in *ReadRequest, opts ...client.CallOption) (*ReadResponse, error)
Write(ctx context.Context, in *WriteRequest, opts ...client.CallOption) (*WriteResponse, error)
Close(ctx context.Context, in *CloseRequest, opts ...client.CallOption) (*CloseResponse, error)
}
type fileService struct {
c client.Client
name string
}
func NewFileService(name string, c client.Client) FileService {
return &fileService{
c: c,
name: name,
}
}
func (c *fileService) Open(ctx context.Context, in *OpenRequest, opts ...client.CallOption) (*OpenResponse, error) {
req := c.c.NewRequest(c.name, "File.Open", in)
out := new(OpenResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *fileService) Stat(ctx context.Context, in *StatRequest, opts ...client.CallOption) (*StatResponse, error) {
req := c.c.NewRequest(c.name, "File.Stat", in)
out := new(StatResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *fileService) Read(ctx context.Context, in *ReadRequest, opts ...client.CallOption) (*ReadResponse, error) {
req := c.c.NewRequest(c.name, "File.Read", in)
out := new(ReadResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *fileService) Write(ctx context.Context, in *WriteRequest, opts ...client.CallOption) (*WriteResponse, error) {
req := c.c.NewRequest(c.name, "File.Write", in)
out := new(WriteResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *fileService) Close(ctx context.Context, in *CloseRequest, opts ...client.CallOption) (*CloseResponse, error) {
req := c.c.NewRequest(c.name, "File.Close", in)
out := new(CloseResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for File service
type FileHandler interface {
Open(context.Context, *OpenRequest, *OpenResponse) error
Stat(context.Context, *StatRequest, *StatResponse) error
Read(context.Context, *ReadRequest, *ReadResponse) error
Write(context.Context, *WriteRequest, *WriteResponse) error
Close(context.Context, *CloseRequest, *CloseResponse) error
}
func RegisterFileHandler(s server.Server, hdlr FileHandler, opts ...server.HandlerOption) error {
type file interface {
Open(ctx context.Context, in *OpenRequest, out *OpenResponse) error
Stat(ctx context.Context, in *StatRequest, out *StatResponse) error
Read(ctx context.Context, in *ReadRequest, out *ReadResponse) error
Write(ctx context.Context, in *WriteRequest, out *WriteResponse) error
Close(ctx context.Context, in *CloseRequest, out *CloseResponse) error
}
type File struct {
file
}
h := &fileHandler{hdlr}
return s.Handle(s.NewHandler(&File{h}, opts...))
}
type fileHandler struct {
FileHandler
}
func (h *fileHandler) Open(ctx context.Context, in *OpenRequest, out *OpenResponse) error {
return h.FileHandler.Open(ctx, in, out)
}
func (h *fileHandler) Stat(ctx context.Context, in *StatRequest, out *StatResponse) error {
return h.FileHandler.Stat(ctx, in, out)
}
func (h *fileHandler) Read(ctx context.Context, in *ReadRequest, out *ReadResponse) error {
return h.FileHandler.Read(ctx, in, out)
}
func (h *fileHandler) Write(ctx context.Context, in *WriteRequest, out *WriteResponse) error {
return h.FileHandler.Write(ctx, in, out)
}
func (h *fileHandler) Close(ctx context.Context, in *CloseRequest, out *CloseResponse) error {
return h.FileHandler.Close(ctx, in, out)
}

68
util/file/proto/file.proto Normal file
View File

@@ -0,0 +1,68 @@
syntax = "proto3";
package go.micro.server;
service File {
rpc Open(OpenRequest) returns(OpenResponse) {};
rpc Stat(StatRequest) returns(StatResponse) {};
rpc Read(ReadRequest) returns(ReadResponse) {};
rpc Write(WriteRequest) returns(WriteResponse) {};
rpc Close(CloseRequest) returns(CloseResponse) {};
}
message OpenRequest {
string filename = 1;
}
message OpenResponse {
int64 id = 1;
bool result = 2;
}
message CloseRequest {
int64 id = 1;
}
message CloseResponse {
}
message StatRequest {
string filename = 1;
}
message StatResponse {
string type = 1;
int64 size = 2;
int64 last_modified = 3;
}
message ReadRequest {
int64 id = 1;
int64 offset = 2;
int64 size = 3;
}
message ReadResponse {
int64 size = 1;
bytes data = 2;
bool eof = 3;
}
message GetRequest {
int64 id = 1;
int64 block_id = 2;
}
message GetResponse {
int64 block_id = 1;
int64 size = 2;
bytes data = 3;
}
message WriteRequest {
int64 id = 1;
int64 offset = 2;
bytes data = 3;
}
message WriteResponse {}