Init V4 community edition (#2265)
* Init V4 community edition * Init V4 community edition
This commit is contained in:
AaronLiu
258
pkg/downloader/slave/slave.go
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258
pkg/downloader/slave/slave.go
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@@ -0,0 +1,258 @@
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package slave
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"strings"
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"github.com/cloudflare/cfssl/scan/crypto/sha1"
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"github.com/cloudreve/Cloudreve/v4/application/constants"
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"github.com/cloudreve/Cloudreve/v4/inventory/types"
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"github.com/cloudreve/Cloudreve/v4/pkg/downloader"
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"github.com/cloudreve/Cloudreve/v4/pkg/logging"
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"github.com/cloudreve/Cloudreve/v4/pkg/request"
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"github.com/cloudreve/Cloudreve/v4/pkg/serializer"
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)
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type slaveDownloader struct {
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client request.Client
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nodeSetting *types.NodeSetting
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nodeSettingHash string
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}
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// NewSlaveDownloader creates a new slave downloader
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func NewSlaveDownloader(client request.Client, nodeSetting *types.NodeSetting) downloader.Downloader {
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nodeSettingJson, err := json.Marshal(nodeSetting)
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if err != nil {
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nodeSettingJson = []byte{}
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}
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return &slaveDownloader{
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client: client,
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nodeSetting: nodeSetting,
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nodeSettingHash: fmt.Sprintf("%x", sha1.Sum(nodeSettingJson)),
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}
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}
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func (s *slaveDownloader) CreateTask(ctx context.Context, url string, options map[string]interface{}) (*downloader.TaskHandle, error) {
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reqBody, err := json.Marshal(&CreateSlaveDownload{
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NodeSetting: s.nodeSetting,
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Url: url,
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Options: options,
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NodeSettingHash: s.nodeSettingHash,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to marshal request body: %w", err)
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}
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resp, err := s.client.Request(
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"POST",
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constants.APIPrefixSlave+"/download/task",
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bytes.NewReader(reqBody),
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request.WithContext(ctx),
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request.WithLogger(logging.FromContext(ctx)),
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).CheckHTTPResponse(200).DecodeResponse()
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if err != nil {
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return nil, err
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}
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// 处理列取结果
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if resp.Code != 0 {
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return nil, serializer.NewErrorFromResponse(resp)
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}
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var taskHandle *downloader.TaskHandle
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if resp.GobDecode(&taskHandle); taskHandle != nil {
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return taskHandle, nil
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}
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return nil, fmt.Errorf("unexpected response data: %v", resp.Data)
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}
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func (s *slaveDownloader) Info(ctx context.Context, handle *downloader.TaskHandle) (*downloader.TaskStatus, error) {
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reqBody, err := json.Marshal(&GetSlaveDownload{
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NodeSetting: s.nodeSetting,
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Handle: handle,
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NodeSettingHash: s.nodeSettingHash,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to marshal request body: %w", err)
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}
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resp, err := s.client.Request(
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"POST",
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constants.APIPrefixSlave+"/download/status",
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bytes.NewReader(reqBody),
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request.WithContext(ctx),
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request.WithLogger(logging.FromContext(ctx)),
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).CheckHTTPResponse(200).DecodeResponse()
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if err != nil {
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return nil, err
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}
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// 处理列取结果
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if resp.Code != 0 {
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err = serializer.NewErrorFromResponse(resp)
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if strings.Contains(err.Error(), downloader.ErrTaskNotFount.Error()) {
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return nil, fmt.Errorf("%s (%w)", err.Error(), downloader.ErrTaskNotFount)
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}
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return nil, err
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}
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var taskStatus *downloader.TaskStatus
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if resp.GobDecode(&taskStatus); taskStatus != nil {
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return taskStatus, nil
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}
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return nil, fmt.Errorf("unexpected response data: %v", resp.Data)
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}
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func (s *slaveDownloader) Cancel(ctx context.Context, handle *downloader.TaskHandle) error {
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reqBody, err := json.Marshal(&CancelSlaveDownload{
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NodeSetting: s.nodeSetting,
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Handle: handle,
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NodeSettingHash: s.nodeSettingHash,
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})
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if err != nil {
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return fmt.Errorf("failed to marshal request body: %w", err)
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}
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resp, err := s.client.Request(
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"POST",
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constants.APIPrefixSlave+"/download/cancel",
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bytes.NewReader(reqBody),
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request.WithContext(ctx),
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request.WithLogger(logging.FromContext(ctx)),
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).CheckHTTPResponse(200).DecodeResponse()
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if err != nil {
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return err
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}
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// 处理列取结果
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if resp.Code != 0 {
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return serializer.NewErrorFromResponse(resp)
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}
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return nil
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}
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func (s *slaveDownloader) SetFilesToDownload(ctx context.Context, handle *downloader.TaskHandle, args ...*downloader.SetFileToDownloadArgs) error {
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reqBody, err := json.Marshal(&SetSlaveFilesToDownload{
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NodeSetting: s.nodeSetting,
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Handle: handle,
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NodeSettingHash: s.nodeSettingHash,
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Args: args,
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})
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if err != nil {
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return fmt.Errorf("failed to marshal request body: %w", err)
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}
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resp, err := s.client.Request(
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"POST",
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constants.APIPrefixSlave+"/download/select",
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bytes.NewReader(reqBody),
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request.WithContext(ctx),
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request.WithLogger(logging.FromContext(ctx)),
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).CheckHTTPResponse(200).DecodeResponse()
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if err != nil {
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return err
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}
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// 处理列取结果
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if resp.Code != 0 {
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return serializer.NewErrorFromResponse(resp)
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}
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return nil
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}
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func (s *slaveDownloader) Test(ctx context.Context) (string, error) {
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reqBody, err := json.Marshal(&TestSlaveDownload{
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NodeSetting: s.nodeSetting,
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NodeSettingHash: s.nodeSettingHash,
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})
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if err != nil {
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return "", fmt.Errorf("failed to marshal request body: %w", err)
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}
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resp, err := s.client.Request(
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"POST",
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constants.APIPrefixSlave+"/download/test",
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bytes.NewReader(reqBody),
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request.WithContext(ctx),
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request.WithLogger(logging.FromContext(ctx)),
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).CheckHTTPResponse(200).DecodeResponse()
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if err != nil {
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return "", err
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}
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if resp.Code != 0 {
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return "", serializer.NewErrorFromResponse(resp)
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}
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return resp.Data.(string), nil
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}
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// Slave remote download related
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type (
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// Request body for creating tasks on slave node
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CreateSlaveDownload struct {
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NodeSetting *types.NodeSetting `json:"node_setting" binding:"required"`
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NodeSettingHash string `json:"node_setting_hash" binding:"required"`
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Url string `json:"url" binding:"required"`
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Options map[string]interface{} `json:"options"`
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}
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// Request body for get download task info from slave node
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GetSlaveDownload struct {
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Handle *downloader.TaskHandle `json:"handle" binding:"required"`
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NodeSetting *types.NodeSetting `json:"node_setting" binding:"required"`
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NodeSettingHash string `json:"node_setting_hash" binding:"required"`
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}
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// Request body for cancel download task on slave node
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CancelSlaveDownload struct {
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Handle *downloader.TaskHandle `json:"handle" binding:"required"`
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NodeSetting *types.NodeSetting `json:"node_setting" binding:"required"`
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NodeSettingHash string `json:"node_setting_hash" binding:"required"`
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}
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// Request body for selecting files to download on slave node
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SetSlaveFilesToDownload struct {
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Handle *downloader.TaskHandle `json:"handle" binding:"required"`
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Args []*downloader.SetFileToDownloadArgs `json:"args" binding:"required"`
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NodeSettingHash string `json:"node_setting_hash" binding:"required"`
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NodeSetting *types.NodeSetting `json:"node_setting" binding:"required"`
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}
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TestSlaveDownload struct {
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NodeSetting *types.NodeSetting `json:"node_setting" binding:"required"`
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NodeSettingHash string `json:"node_setting_hash" binding:"required"`
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}
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)
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// GetNodeSetting implements SlaveNodeSettingGetter interface
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func (d *CreateSlaveDownload) GetNodeSetting() (*types.NodeSetting, string) {
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return d.NodeSetting, d.NodeSettingHash
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}
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// GetNodeSetting implements SlaveNodeSettingGetter interface
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func (d *GetSlaveDownload) GetNodeSetting() (*types.NodeSetting, string) {
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return d.NodeSetting, d.NodeSettingHash
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}
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// GetNodeSetting implements SlaveNodeSettingGetter interface
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func (d *CancelSlaveDownload) GetNodeSetting() (*types.NodeSetting, string) {
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return d.NodeSetting, d.NodeSettingHash
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}
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// GetNodeSetting implements SlaveNodeSettingGetter interface
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func (d *SetSlaveFilesToDownload) GetNodeSetting() (*types.NodeSetting, string) {
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return d.NodeSetting, d.NodeSettingHash
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}
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// GetNodeSetting implements SlaveNodeSettingGetter interface
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func (d *TestSlaveDownload) GetNodeSetting() (*types.NodeSetting, string) {
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return d.NodeSetting, d.NodeSettingHash
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}
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