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OFP Client
Handles sending and receiving Open Floor Protocol envelopes via HTTPS
"""
import requests
import logging
import json
from typing import Dict, Optional
from .models import Envelope, DialogEvent
logger = logging.getLogger(__name__)
class OFPClient:
"""Client for sending OFP envelopes to conveners and other assistants"""
def __init__(self, speaker_uri: str, service_url: str, manifest: Dict):
self.speaker_uri = speaker_uri
self.service_url = service_url
self.manifest = manifest
logger.info(f"OFP Client initialized for {speaker_uri}")
def send_envelope(self, recipient_url: str, envelope: Envelope, timeout: int = 10) -> bool:
"""Send OFP envelope to recipient via HTTPS POST"""
try:
payload = envelope.to_payload()
logger.debug(f"Sending envelope to {recipient_url}: {json.dumps(payload, indent=2)}")
response = requests.post(
recipient_url,
json=payload,
headers={
'Content-Type': 'application/json',
'User-Agent': 'OFP-BadWord-Sentinel/1.0'
},
timeout=timeout
)
response.raise_for_status()
logger.info(f"✓ Envelope sent successfully to {recipient_url}")
return True
except requests.exceptions.Timeout:
logger.error(f"✗ Timeout sending envelope to {recipient_url}")
return False
except requests.exceptions.RequestException as e:
logger.error(f"✗ Failed to send envelope to {recipient_url}: {e}")
return False
except Exception as e:
logger.error(f"✗ Unexpected error sending envelope: {e}")
return False
def send_private_alert(
self,
convener_uri: str,
convener_url: str,
conversation_id: str,
alert_data: Dict
) -> bool:
"""Send private alert to convener about profanity detection"""
try:
# Create alert text as JSON
alert_text = json.dumps(alert_data, indent=2)
# Create dialog event for the alert
alert_event = DialogEvent.create_text_event(
speaker_uri=self.speaker_uri,
text=alert_text
)
# Create envelope with private utterance event
envelope = Envelope(
schema={"version": "1.0.0"},
conversation={"id": conversation_id},
sender={"speakerUri": self.speaker_uri},
events=[{
"eventType": "utterance",
"to": {
"speakerUri": convener_uri,
"private": True # CRITICAL: Only convener sees this
},
"parameters": {
"dialogEvent": alert_event.to_dict()
}
}]
)
logger.info(f"Sending private alert to convener: {convener_uri}")
return self.send_envelope(convener_url, envelope)
except Exception as e:
logger.error(f"Error creating private alert: {e}")
return False
def send_public_message(
self,
conversation_id: str,
recipient_url: str,
text: str
) -> bool:
"""Send public message to the floor (visible to all participants)"""
try:
dialog_event = DialogEvent.create_text_event(
speaker_uri=self.speaker_uri,
text=text
)
envelope = Envelope(
schema={"version": "1.0.0"},
conversation={"id": conversation_id},
sender={"speakerUri": self.speaker_uri},
events=[{
"eventType": "utterance",
"parameters": {
"dialogEvent": dialog_event.to_dict()
}
}]
)
return self.send_envelope(recipient_url, envelope)
except Exception as e:
logger.error(f"Error sending public message: {e}")
return False
def request_floor(
self,
conversation_id: str,
convener_url: str,
convener_uri: str
) -> bool:
"""Request speaking floor from convener"""
envelope = Envelope(
schema={"version": "1.0.0"},
conversation={"id": conversation_id},
sender={"speakerUri": self.speaker_uri},
events=[{
"eventType": "floorRequest",
"to": {
"speakerUri": convener_uri
}
}]
)
return self.send_envelope(convener_url, envelope)
def get_manifest(self) -> Dict:
"""Return assistant manifest"""
return self.manifest
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