X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=dmaap-mediator-producer%2Finternal%2Fjobs%2Fjobs.go;h=b6616a1ba5189a4a625c22e6b7e7c01104ef52bc;hb=5feecd881172a3b22041d35443c1f946e7d5f63e;hp=10eaf680ff3b4c1050c72d606d39cb07ee7c870d;hpb=63a42cacf9c52b7dff64431a3354f55c49bd6e4b;p=nonrtric.git diff --git a/dmaap-mediator-producer/internal/jobs/jobs.go b/dmaap-mediator-producer/internal/jobs/jobs.go index 10eaf680..b6616a1b 100644 --- a/dmaap-mediator-producer/internal/jobs/jobs.go +++ b/dmaap-mediator-producer/internal/jobs/jobs.go @@ -21,102 +21,250 @@ package jobs import ( - "os" - "path/filepath" - "strings" + "fmt" + "sync" + + log "github.com/sirupsen/logrus" + "oransc.org/nonrtric/dmaapmediatorproducer/internal/config" + "oransc.org/nonrtric/dmaapmediatorproducer/internal/restclient" ) -type Type struct { - TypeId string - Schema string +type TypeData struct { + TypeId string `json:"id"` + DMaaPTopicURL string `json:"dmaapTopicUrl"` + jobsHandler *jobsHandler } type JobInfo struct { - Owner string `json:"owner"` - LastUpdated string `json:"last_updated"` - InfoJobIdentity string `json:"info_job_identity"` - TargetUri string `json:"target_uri"` - InfoJobData string `json:"info_job_data"` - InfoTypeIdentity string `json:"info_type_identity"` + Owner string `json:"owner"` + LastUpdated string `json:"last_updated"` + InfoJobIdentity string `json:"info_job_identity"` + TargetUri string `json:"target_uri"` + InfoJobData interface{} `json:"info_job_data"` + InfoTypeIdentity string `json:"info_type_identity"` } -type JobHandler interface { - AddJob(JobInfo) error +type JobTypesManager interface { + LoadTypesFromConfiguration(types []config.TypeDefinition) []config.TypeDefinition + GetSupportedTypes() []string } -var ( - typeDir = "configs" - Handler JobHandler - allJobs = make(map[string]map[string]JobInfo) -) +type JobsManager interface { + AddJobFromRESTCall(JobInfo) error + DeleteJobFromRESTCall(jobId string) +} -func init() { - Handler = newJobHandlerImpl() +type JobsManagerImpl struct { + allTypes map[string]TypeData + pollClient restclient.HTTPClient + mrAddress string + distributeClient restclient.HTTPClient } -type jobHandlerImpl struct{} +func NewJobsManagerImpl(pollClient restclient.HTTPClient, mrAddr string, distributeClient restclient.HTTPClient) *JobsManagerImpl { + return &JobsManagerImpl{ + allTypes: make(map[string]TypeData), + pollClient: pollClient, + mrAddress: mrAddr, + distributeClient: distributeClient, + } +} + +func (jm *JobsManagerImpl) AddJobFromRESTCall(ji JobInfo) error { + if err := jm.validateJobInfo(ji); err == nil { + typeData := jm.allTypes[ji.InfoTypeIdentity] + typeData.jobsHandler.addJobCh <- ji + log.Debug("Added job: ", ji) + return nil + } else { + return err + } +} -func newJobHandlerImpl() *jobHandlerImpl { - return &jobHandlerImpl{} +func (jm *JobsManagerImpl) DeleteJobFromRESTCall(jobId string) { + for _, typeData := range jm.allTypes { + log.Debugf("Deleting job %v from type %v", jobId, typeData.TypeId) + typeData.jobsHandler.deleteJobCh <- jobId + } + log.Debug("Deleted job: ", jobId) } -func (jh *jobHandlerImpl) AddJob(ji JobInfo) error { - if jobs, ok := allJobs[ji.InfoTypeIdentity]; ok { - if _, ok := jobs[ji.InfoJobIdentity]; ok { - // TODO: Update job - } else { - jobs[ji.InfoJobIdentity] = ji - } +func (jm *JobsManagerImpl) validateJobInfo(ji JobInfo) error { + if _, ok := jm.allTypes[ji.InfoTypeIdentity]; !ok { + return fmt.Errorf("type not supported: %v", ji.InfoTypeIdentity) + } + if ji.InfoJobIdentity == "" { + return fmt.Errorf("missing required job identity: %v", ji) + } + // Temporary for when there are only REST callbacks needed + if ji.TargetUri == "" { + return fmt.Errorf("missing required target URI: %v", ji) } return nil } -func GetTypes() ([]*Type, error) { - types := make([]*Type, 0, 1) - err := filepath.Walk(typeDir, - func(path string, info os.FileInfo, err error) error { - if err != nil { - return err - } - if strings.Contains(path, ".json") { - if jobType, err := getType(path); err == nil { - types = append(types, jobType) - } - } - return nil - }) - if err != nil { - return nil, err +func (jm *JobsManagerImpl) LoadTypesFromConfiguration(types []config.TypeDefinition) []config.TypeDefinition { + for _, typeDef := range types { + jm.allTypes[typeDef.Id] = TypeData{ + TypeId: typeDef.Id, + DMaaPTopicURL: typeDef.DmaapTopicURL, + jobsHandler: newJobsHandler(typeDef.Id, typeDef.DmaapTopicURL, jm.pollClient, jm.distributeClient), + } } - return types, nil + return types } -func GetSupportedTypes() []string { +func (jm *JobsManagerImpl) GetSupportedTypes() []string { supportedTypes := []string{} - for k := range allJobs { + for k := range jm.allTypes { supportedTypes = append(supportedTypes, k) } return supportedTypes } -func AddJob(job JobInfo) error { - return Handler.AddJob(job) +func (jm *JobsManagerImpl) StartJobsForAllTypes() { + for _, jobType := range jm.allTypes { + + go jobType.jobsHandler.startPollingAndDistribution(jm.mrAddress) + + } +} + +type jobsHandler struct { + mu sync.Mutex + typeId string + topicUrl string + jobs map[string]job + addJobCh chan JobInfo + deleteJobCh chan string + pollClient restclient.HTTPClient + distributeClient restclient.HTTPClient } -func getType(path string) (*Type, error) { - fileName := filepath.Base(path) - typeName := strings.TrimSuffix(fileName, filepath.Ext(fileName)) +func newJobsHandler(typeId string, topicURL string, pollClient restclient.HTTPClient, distributeClient restclient.HTTPClient) *jobsHandler { + return &jobsHandler{ + typeId: typeId, + topicUrl: topicURL, + jobs: make(map[string]job), + addJobCh: make(chan JobInfo), + deleteJobCh: make(chan string), + pollClient: pollClient, + distributeClient: distributeClient, + } +} - if typeSchema, err := os.ReadFile(path); err == nil { - typeInfo := Type{ - TypeId: typeName, - Schema: string(typeSchema), +func (jh *jobsHandler) startPollingAndDistribution(mRAddress string) { + go func() { + for { + jh.pollAndDistributeMessages(mRAddress) } - if _, ok := allJobs[typeName]; !ok { - allJobs[typeName] = make(map[string]JobInfo) + }() + + go func() { + for { + jh.monitorManagementChannels() } - return &typeInfo, nil - } else { - return nil, err + }() +} + +func (jh *jobsHandler) pollAndDistributeMessages(mRAddress string) { + log.Debugf("Processing jobs for type: %v", jh.typeId) + messagesBody, error := restclient.Get(mRAddress+jh.topicUrl, jh.pollClient) + if error != nil { + log.Warn("Error getting data from MR. Cause: ", error) + } + log.Debug("Received messages: ", string(messagesBody)) + jh.distributeMessages(messagesBody) +} + +func (jh *jobsHandler) distributeMessages(messages []byte) { + if len(messages) > 2 { + jh.mu.Lock() + defer jh.mu.Unlock() + for _, job := range jh.jobs { + if len(job.messagesChannel) < cap(job.messagesChannel) { + job.messagesChannel <- messages + } else { + jh.emptyMessagesBuffer(job) + } + } + } +} + +func (jh *jobsHandler) emptyMessagesBuffer(job job) { + log.Debug("Emptying message queue for job: ", job.jobInfo.InfoJobIdentity) +out: + for { + select { + case <-job.messagesChannel: + default: + break out + } + } +} + +func (jh *jobsHandler) monitorManagementChannels() { + select { + case addedJob := <-jh.addJobCh: + jh.addJob(addedJob) + case deletedJob := <-jh.deleteJobCh: + jh.deleteJob(deletedJob) + } +} + +func (jh *jobsHandler) addJob(addedJob JobInfo) { + jh.mu.Lock() + log.Debug("Add job: ", addedJob) + newJob := newJob(addedJob, jh.distributeClient) + go newJob.start() + jh.jobs[addedJob.InfoJobIdentity] = newJob + jh.mu.Unlock() +} + +func (jh *jobsHandler) deleteJob(deletedJob string) { + jh.mu.Lock() + log.Debug("Delete job: ", deletedJob) + j, exist := jh.jobs[deletedJob] + if exist { + j.controlChannel <- struct{}{} + delete(jh.jobs, deletedJob) + } + jh.mu.Unlock() +} + +type job struct { + jobInfo JobInfo + client restclient.HTTPClient + messagesChannel chan []byte + controlChannel chan struct{} +} + +func newJob(j JobInfo, c restclient.HTTPClient) job { + return job{ + jobInfo: j, + client: c, + messagesChannel: make(chan []byte, 10), + controlChannel: make(chan struct{}), + } +} + +func (j *job) start() { +out: + for { + select { + case <-j.controlChannel: + log.Debug("Stop distribution for job: ", j.jobInfo.InfoJobIdentity) + break out + case msg := <-j.messagesChannel: + j.sendMessagesToConsumer(msg) + } + } +} + +func (j *job) sendMessagesToConsumer(messages []byte) { + log.Debug("Processing job: ", j.jobInfo.InfoJobIdentity) + if postErr := restclient.Post(j.jobInfo.TargetUri, messages, j.client); postErr != nil { + log.Warnf("Error posting data for job: %v. Cause: %v", j.jobInfo, postErr) } + log.Debugf("Messages for job: %v distributed to consumer: %v", j.jobInfo.InfoJobIdentity, j.jobInfo.Owner) }