Simulator API

This document describes the API used to manage policy types and manipulate the simulator.

The simulator supports different versions of the A1 interface. Some functions are common for all versions, and some are specific for a certain version.

Common Functions

Health Check

The status of the simulator.

/

GET

Returns the status of the simulator.

URL path:

/

Parameters:

None.

Responses:
200:

Simulator is living.

Examples:

Call:

curl -X GET "http://localhost:8085/"

Result:

200:

Simulator is living (OSC_2.1.0 responds OK)

Supported Interfaces

The simulator can support different versions of the A1 interface. With this API the supported versions can be listed.

/container_interfaces

GET

Returns the status of the simulator. (Not available for A1 Standard 1.1.3)

URL path:

/container_interfaces

Parameters:

None.

Responses:

200:

List of supported interfaces.

Examples:

Call:

curl -X GET "http://localhost:8085/container_interfaces"

Result:

200:

1.1.x-alpha.2 OSC_2.1.0 STD_1.1.3

Counters

The simulator keeps counts of different things that can be accessed.

/counter

GET

Get a counter. Counter-name can be one of the following: ‘num_instances’, ‘num_types’ or ‘interface’.

URL path:

/counter/{counter-name}

Parameters:

None.

Responses:

200:

The counter value for the given counter.

Examples:

Call:

curl -X GET "http://localhost:8085/counter/num_instances"

Result:

200:

10

Version Specific Functions

The methods available to control the simulator depends on the version of the A1 API the simulator is simulating.

OSC_2.1.0

This section describes the available administrative functions for the OSC_2.1.0 version of A1.

To see the A1 functions for this version, see OSC_2.1.0 API.

/deleteinstances

POST

Delete all policy instances.

URL path:

/deleteinstances

Parameters:

None.

Responses:

200:

All policy instances deleted.

Examples:

Call:

curl -X POST "http://localhost:8085/deleteinstances"

Result:

200:

All policy instances deleted.

/deleteall

POST

Full reset.

URL path:

/deleteall

Parameters:

None.

Responses:

200:

All policy instances and types deleted.

Examples:

Call:

curl -X POST "http://localhost:8085/deleteall"

Result:

200:

All policy instances and types deleted.

/policytype

PUT

Create a policy type.

URL path:

/policytype?id=<policy-type-id>

Parameters:

id: (Required)

The ID of the policy type.

Body: (Required)

A JSON object containing the schema for the type.

Responses:

200:

Policy type <policy-type-id> is OK.

201:

Policy type <policy-type-id> is OK.

Examples:

Call:

curl -X PUT "http://localhost:8085/policytype?id=Policy%201&ric=ric1&service=Service%201&type=STD_PolicyModelUnconstrained_0.2.0"
  -H  "Content-Type: application/json"
  -d '{
        "$schema": "http://json-schema.org/draft-07/schema#",
        "title": "STD_PolicyModelUnconstrained_0.2.0",
        "description": "Standard model of a policy with unconstrained scope id combinations",
        "type": "object",
        "properties": {
          "scope": {
            "type": "object",
            "properties": {
              "ueId": {"type": "string"},
              "groupId": {"type": "string"},
              "sliceId": {"type": "string"},
              "qosId": {"type": "string"},
              "cellId": {"type": "string"}
            },
            "minProperties": 1,
            "additionalProperties": false
          },
          "qosObjectives": {
            "type": "object",
            "properties": {
              "gfbr": {"type": "number"},
              "mfbr": {"type": "number"},
              "priorityLevel": {"type": "number"},
              "pdb": {"type": "number"}
            },
            "additionalProperties": false
          },
          "qoeObjectives": {
            "type": "object",
            "properties": {
              "qoeScore": {"type": "number"},
              "initialBuffering": {"type": "number"},
              "reBuffFreq": {"type": "number"},
              "stallRatio": {"type": "number"}
            },
            "additionalProperties": false
          },
          "resources": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "cellIdList": {
                  "type": "array",
                  "minItems": 1,
                  "uniqueItems": true,
                  "items": {
                    "type": "string"
                  }
                },
                "preference": {
                  "type": "string",
                  "enum": [
                    "SHALL",
                    "PREFER",
                    "AVOID",
                    "FORBID"
                  ]
                },
                "primary": {"type": "boolean"}
              },
              "additionalProperties": false,
              "required": ["cellIdList", "preference"]
            }
          }
        },
        "minProperties": 2,
        "additionalProperties": false,
        "required": ["scope"]
      }'

Result:

201:

Policy type STD_PolicyModelUnconstrained_0.2.0 is OK
DELETE

Delete a policy type.

URL path:

/policytype?id=<policy-type-id>

Parameters:

id: (Required)

The ID of the policy type.

Responses:

204:

Policy type <policy-type-id> is OK.

Examples:

Call:

curl -X DELETE "http://localhost:8085/policytype?id=Policy%201&ric=ric1&service=Service%201&type=STD_PolicyModelUnconstrained_0.2.0"

Result:

204:

Policy type STD_PolicyModelUnconstrained_0.2.0 is OK

/policytypes

GET

Get a list of policy types.

URL path:

/policytypes

Parameters:

None.

Responses:

200:

A list of policy types.

Examples:

Call:

curl -X GET "http://localhost:8085/policytypes"

Result:

200:

STD_PolicyModelUnconstrained_0.2.0

/forceresponse

POST

Force a specific response code for an A1 operation.

URL path:

/forceresponse?responsecode=<http-response-code>

Parameters:

responsecode: (Required)

The HTTP response code to return.

Responses:

200:

Force response code: <expected code> set for one single A1 response

Examples:

Call:

curl -X POST "http://localhost:8085/forceresponse?responsecode=400"

Result:

200:

Force response code:  400 set for one single A1 response

/forcedelay

POST

Force delayed response of all A1 operations.

URL path:

/forcedelay?delay=<delay-time-seconds>

Parameters:

delay: (Required)

The time in seconds to delay all responses.

Responses:

200:

Force delay: <expected delay> sec set for all A1 responses

Examples:

Call:

curl -X POST "http://localhost:8085/forcedelay?delay=2"

Result:

200:

Force delay: 2 sec set for all A1 responses

/status

PUT

Set status and optional reason, delete and time stamp.

URL path:

/status?policyid=<policyid>&status=<status>&deleted=<value>&created_at=<time-stamp>

Parameters:

policyid: (Required)

The ID of a policy.

status: (Required)

The status of a policy.

deleted: (Optional)

True or false for real values, but accepts anything for error testing.

created_at: (Optional)

Time stamp for the status.

Responses:

200:

Status set to <status> for policy <policy-id>

Examples:

Call:

curl -X PUT "http://localhost:8085/policyid=Policy1&status?status=Accepted

Result:

200:

Status set to Accepted for policy Policy1.

A1 Standard 1.1.3

This section describes the available administrative functions for the A1 Standard 1.1.3 version of A1.

To see the A1 functions for this version, see A1 Standard 1.1.3 API.

/deleteinstances

POST

Delete all policy instances.

URL path:

/deleteinstances

Parameters:

None.

Responses:

200:

All policy instances deleted.

Examples:

Call:

curl -X POST "http://localhost:8085/deleteinstances"

Result:

200:

All policy instances deleted.

/deleteall

POST

Full reset.

URL path:

/deleteinstances

Parameters:

None.

Responses:

200:

All policy instances deleted.

Examples:

Call:

curl -X POST "http://localhost:8085/deleteall"

Result:

200:

All policy instances deleted.

/forceresponse

POST

Force a specific response code for an A1 operation.

URL path:

/forceresponse?responsecode=<http-response-code>

Parameters:

responsecode: (Required)

The HTTP response code to return.

Responses:

200:

Force response code: <expected code> set for one single A1 response

Examples:

Call:

curl -X POST "http://localhost:8085/forceresponse?responsecode=400"

Result:

200:

Force response code: 400 set for one single A1 response

/forcedelay

POST

Force delayed response of all A1 operations.

URL path:

/forcedelay?delay=<delay-time-seconds>

Parameters:

delay: (Required)

The time in seconds to delay all responses.

Responses:

200:

Force delay: <expected delay> sec set for all A1 responses

Examples:

Call:

curl -X POST "http://localhost:8085/forcedelay?delay=2"

Result:

200:

Force delay: 2 sec set for all A1 responses

/status

PUT

Set status and optional reason, delete and time stamp.

URL path:

/status?policyid=<policyid>&status=<status>&reason=<reason>

Parameters:

policyid: (Required)

The ID of a policy.

status: (Required)

The status of a policy.

reason: (Optional)

The reason for the status.

Responses:

200:

Status set to <status> for policy <policy-id>

Examples:

Call:

curl -X PUT "http://localhost:8085/status?policyid=Policy1&status=Accepted

Result:

200:

Status set to Accepted for policy Policy1

/sendstatus

POST

Send status for policy.

URL path:

/sendstatus?policyid=<policy-id>

Parameters:

policyid: (Required)

The ID of the policy to send status for.

Responses:

200:

Is a JSON with the response of the actual post request to the callback server, whatever that is.

Examples:

Call:

curl -X POST "http://localhost:8085/sendstatus?policyid=Policy2"

Result:

200

1.1.x-alpha.2

This section describes the available administrative functions for the 1.1.x-alpha.2 version of A1.

To see the A1 functions for this version, see 1.1.x-alpha.2 API.

/deleteinstances

DELETE

Delete all policy instances.

URL path:

/deleteinstances

Parameters:

None.

Responses:

200:

All policy instances deleted.

Examples:

Call:

curl -X DELETE "http://localhost:8085/deleteinstances"

Result:

200:

All policy instances deleted.

/deletetypes

DELETE

Delete all policy types.

URL path:

/deletetypes

Parameters:

None.

Responses:

200:

All policy types deleted.

Examples:

Call:

curl -X DELETE "http://localhost:8085/deletetypes"

Result:

200:

All policy types deleted.

/policytypes

PUT

Create or update a policy type.

URL path:

/policytypes/{policy-type-id}

Parameters:

None.

Body: (Required)

A JSON object containing the schema for the type.

Responses:

200:

The policy type was either created or updated for policy type id: <policy-type-id>

Examples:

Call:

curl -X PUT "http://localhost:8085/policytype/Policy%201&ric=ric1&service=Service%201&type=STD_PolicyModelUnconstrained_0.2.0"
  -H  "Content-Type: application/json"
  -d '{
        "$schema": "http://json-schema.org/draft-07/schema#",
        "title": "STD_PolicyModelUnconstrained_0.2.0",
        "description": "Standard model of a policy with unconstrained scope id combinations",
        "type": "object",
        "properties": {
          "scope": {
            "type": "object",
            "properties": {
              "ueId": {"type": "string"},
              "groupId": {"type": "string"},
              "sliceId": {"type": "string"},
              "qosId": {"type": "string"},
              "cellId": {"type": "string"}
            },
            "minProperties": 1,
            "additionalProperties": false
          },
          "qosObjectives": {
            "type": "object",
            "properties": {
              "gfbr": {"type": "number"},
              "mfbr": {"type": "number"},
              "priorityLevel": {"type": "number"},
              "pdb": {"type": "number"}
            },
            "additionalProperties": false
          },
          "qoeObjectives": {
            "type": "object",
            "properties": {
              "qoeScore": {"type": "number"},
              "initialBuffering": {"type": "number"},
              "reBuffFreq": {"type": "number"},
              "stallRatio": {"type": "number"}
            },
            "additionalProperties": false
          },
          "resources": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "cellIdList": {
                  "type": "array",
                  "minItems": 1,
                  "uniqueItems": true,
                  "items": {
                    "type": "string"
                  }
                },
                "preference": {
                  "type": "string",
                  "enum": [
                    "SHALL",
                    "PREFER",
                    "AVOID",
                    "FORBID"
                  ]
                },
                "primary": {"type": "boolean"}
              },
              "additionalProperties": false,
              "required": ["cellIdList", "preference"]
            }
          }
        },
        "minProperties": 2,
        "additionalProperties": false,
        "required": ["scope"]
      }'

Result:

200:

The policy type was either created or updated for policy type id: STD_PolicyModelUnconstrained_0.2.0
DELETE

Delete a policy type.

URL path:

/policytypes/{policy-type-id}

Parameters:

None.

Responses:

200:

policy type successfully deleted for policy type id: <policy-type-id>

Examples:

Call:

curl -X DELETE "http://localhost:8085/policytype?id=Policy%201&ric=ric1&service=Service%201&type=STD_PolicyModelUnconstrained_0.2.0"

Result:

200:

policy type successfully deleted for policy type id: STD_PolicyModelUnconstrained_0.2.0

/{policyId}/{enforceStatus}

PUT

Set a status to a policy instance with an enforceStatus parameter only.

URL path:

/{policyId}/{enforceStatus}

Parameters:

None.

Responses:

200:

Status updated for policy: <policyId>

Examples:

Call:

curl -X PUT "http://localhost:8085/Policy1/ENFORCED

Result:

200:

Status updated for policy: Policy1

/{policyId}/{enforceStatus}/{enforceReason}

PUT

Send a status to a policy instance with both enforceStatus and enforceReason.

URL path:

/{policyId}/{enforceStatus}/{enforceReason}

Parameters:

None.

Responses:

200:

Status updated for policy: <policyId>

Examples:

Call:

curl -X PUT "http://localhost:8085/Policy1/NOT_ENFORCED/100"

Result:

200:

Status updated for policy: Policy1