Yamcs HTTP API
- Activities
- Alarms
- Audit
- Buckets
- Clearance
- Commands
- COP-1
- Database
- Events
- File Transfer
- IAM
- Indexes
- Instances
- Links
- MDB Override
- MDB
- Packets
- Parameter Archive
- Parameter Lists
- Parameter Values
- Processing
- List Processor Types
- List Processors
- Get Processor
- Delete Processor
- Edit Processor
- Create Processor
- Get Parameter Value
- Set Parameter Value
- Batch Get Parameter Values
- Batch Set Parameter Values
- Subscribe TM Statistics
- Subscribe Parameters
- Subscribe Processors
- Get Algorithm Status
- Subscribe Algorithm Status
- Get Algorithm Trace
- Edit Algorithm Trace
- Queues
- Replication
- RocksDB
- Server
- Services
- Sessions
- Stream Archive
- Table
- Time Correlation
- Time
- Timeline
Related
Yamcs Release Notes
Yamcs Server Manual
Source Code Documentation
Download this Document
Subscribe ProcessorsΒΆ
Receive processor updates
WebSocket
This method requires to upgrade an HTTP connection to WebSocket. See details on how Yamcs uses WebSocket.
Use the message type processors
.
Input Type
// Request message for `SubscribeProcessors`.
interface SubscribeProcessorsRequest {
// Yamcs instance name
instance: string;
// Processor name
processor: string;
}
Output Type
interface ProcessorInfo {
// Yamcs instance name.
instance: string;
// Processor name.
name: string;
type: string;
spec: string;
creator: string;
hasAlarms: boolean;
hasCommanding: boolean;
state: ServiceState;
replayRequest: ReplayRequest;
replayState: ReplayState;
services: ServiceInfo[];
persistent: boolean;
time: string; // RFC 3339 timestamp
replay: boolean;
checkCommandClearance: boolean;
// If true, this processor can not be deleted.
protected: boolean;
// Globally available acknowledgments (in addition to Acknowledge_Queued,
// Acknowledge_Released and Acknowledge_Sent)
acknowledgments: AcknowledgmentInfo[];
}
Related Types
//used to replay (concurrently) TM packets, parameters and events
interface ReplayRequest {
// **Required.** The time at which the replay should start.
start: string; // RFC 3339 timestamp
// The time at which the replay should stop.
// If unspecified, the replay will keep going as long as there is remaining data.
stop: string; // RFC 3339 timestamp
//what should happen at the end of the replay
endAction: EndAction;
//how fast the replay should go
speed: ReplaySpeed;
// Reverse the direction of the replay
reverse: boolean;
parameterRequest: ParameterReplayRequest;
// By default all Packets, Events, CommandHistory are part of the replay
// Unless one or more of the below requests are specified.
packetRequest: PacketReplayRequest;
eventRequest: EventReplayRequest;
commandHistoryRequest: CommandHistoryReplayRequest;
ppRequest: PpReplayRequest;
// Start the replay following initialization
// Defaults to true, if unspecified
autostart: boolean;
}
interface ReplaySpeed {
type: ReplaySpeedType;
param: number;
}
interface ParameterReplayRequest {
nameFilter: NamedObjectId[];
sendRaw: boolean;
performMonitoring: boolean;
}
// Used by external clients to identify an item in the Mission Database
// If namespace is set, then the name is that of an alias, rather than
// the qualified name.
interface NamedObjectId {
name: string;
namespace: string;
}
interface PacketReplayRequest {
// No filter, means all packets for which privileges exist, are sent
nameFilter: NamedObjectId[];
//if specified, only replay packets originally received on one of those links
tmLinks: string[];
}
interface EventReplayRequest {
}
interface CommandHistoryReplayRequest {
// No filter, means all command history entries are sent
nameFilter: NamedObjectId[];
}
//Request to replay parameters - they can be filtered by the parameter group
interface PpReplayRequest {
// No filter, means all pp groups are sent
groupNameFilter: string[];
// exclude the parameters from these groups
// this takes precedence over the filter above (i.e. if a group is part of both, it will be excluded)
groupNameExclude: string[];
}
interface ServiceInfo {
// Yamcs instance name
instance: string;
// Service name
name: string;
// Service state
state: ServiceState;
// Java class name
className: string;
// Processor name (in case this is a processor service)
processor: string;
// Short failure message when `state` is FAILED.
failureMessage: string;
// Stacktrace when `state` is FAILED.
failureCause: string;
}
interface AcknowledgmentInfo {
// Acknowledgment name
name: string;
// Description of the acknowledgment
description: string;
}
enum ServiceState {
// A service in this state is inactive. It does minimal work and
// consumes minimal resources.
NEW = "NEW",
// A service in this state is transitioning to ``RUNNING``.
STARTING = "STARTING",
// A service in this state is operational.
RUNNING = "RUNNING",
// A service in this state is transitioning to ``TERMINATED``.
STOPPING = "STOPPING",
// A service in this state has completed execution normally.
// It does minimal work and consumes minimal resources.
TERMINATED = "TERMINATED",
// A service in this state has encountered a problem and may
// not be operational. It cannot be started nor stopped.
FAILED = "FAILED",
}
enum EndAction {
LOOP = "LOOP",
QUIT = "QUIT",
STOP = "STOP",
}
enum ReplaySpeedType {
AFAP = "AFAP",
FIXED_DELAY = "FIXED_DELAY",
REALTIME = "REALTIME",
STEP_BY_STEP = "STEP_BY_STEP",
}
enum ReplayState {
// just at the beginning or when the replay request (start, stop or packet selection) changes
INITIALIZATION = "INITIALIZATION",
RUNNING = "RUNNING",
// The replay has reached the end with the endaction stop
STOPPED = "STOPPED",
// The replay stopped due to an error.
ERROR = "ERROR",
PAUSED = "PAUSED",
// The replay is finished and closed
CLOSED = "CLOSED",
}
enum ServiceState {
// A service in this state is inactive. It does minimal work and
// consumes minimal resources.
NEW = "NEW",
// A service in this state is transitioning to ``RUNNING``.
STARTING = "STARTING",
// A service in this state is operational.
RUNNING = "RUNNING",
// A service in this state is transitioning to ``TERMINATED``.
STOPPING = "STOPPING",
// A service in this state has completed execution normally.
// It does minimal work and consumes minimal resources.
TERMINATED = "TERMINATED",
// A service in this state has encountered a problem and may
// not be operational. It cannot be started nor stopped.
FAILED = "FAILED",
}