Table 1 Common Dioptase services and their parameters
From: Dioptase: a distributed data streaming middleware for the future web of things
Service path | Description and parameters |
|---|---|
/streams | Access to a stream. id=<stream id>, mode=stream|hook, *hook=<hook name> (if mode=hook) |
/thing/properties | Get the properties of the Thing: sensors, actuators, supported storage types and metadata. *sensors=true|false, *actuators=true|false, *storages=true|false, *metadata=true|false |
/thing/sensors | Get identifiers, units, semantic/concrete types and metadata of one or all the sensors. *id=<sensor id> |
/thing/actuators | Get identifiers and parameters (names, types, metadata) of one or all the actuators. *id=<actuator id> |
/thing/operators | Get identifiers and contracts (name/type of inputs, number of inputs) of one or all the compiled operators. *id=<operator id> |
/thing/actuate | Executes one of the actuation service. id=<actuator id>, service=<service name>, actuator-specific parameters (key/value) |
/components/running | Get the name and the input/output stream URIs of deployed components (producer, processor, storage). |
/components/remove | Stop and destroy a component. id=<component id> |
/processors | Get identifiers and input/output streams schemas of one or all the processors, possibly in extended form (logic, state, schemas). id*=<processor id>, *extended=true|false |
/processors/state | Get the content of the internal state of a processor. id=<processor id> |
/processors/new | Deploy a new processor and starts it. id=<processor id>, code=<source code> or operator=<operator id>, inputs=<URIs>, *state=<start state>, *history=true|false, *h-size=<history size>, operator-specific parameters (key/value) |
/processors/history | Get a processor history as a stream. id=<processor id>, *t-start=<timestamp>, *t-end=<timestamp>|now, *nb=<nb of items> |
/processors/migrate | Migrate a processor to another device. id=<processor id>, to=<URI>, *forget-state=true|false |
/producers | Get identifiers, sensor names and output streams schemas of one or all the producers. *id=<processor id> |
/producers/new | Deploy a new producer. id=<producer id>, sensor=<sensor id>, *sampling=<sampling rate> |
/storages | Get identifiers, types and input/output schemas of one or all the storages. *id=<storage id> |
/storages/new | Deploy a new storage. id=<storage id>, type=<storage type>, storage-specific parameters (key/value) |