mirror of
https://github.com/Dispatcharr/Dispatcharr.git
synced 2026-07-18 17:16:26 +00:00
617 lines
28 KiB
Python
617 lines
28 KiB
Python
import json
|
|
import threading
|
|
import time
|
|
import random
|
|
import re
|
|
from django.http import StreamingHttpResponse, JsonResponse, HttpResponseRedirect
|
|
from django.views.decorators.csrf import csrf_exempt
|
|
from django.shortcuts import get_object_or_404
|
|
from apps.proxy.config import TSConfig as Config
|
|
from .server import ProxyServer
|
|
from .channel_status import ChannelStatus
|
|
from .stream_generator import create_stream_generator
|
|
from .utils import get_client_ip
|
|
from .redis_keys import RedisKeys
|
|
import logging
|
|
from apps.channels.models import Channel, Stream
|
|
from apps.m3u.models import M3UAccount, M3UAccountProfile
|
|
from core.models import UserAgent, CoreSettings, PROXY_PROFILE_NAME
|
|
from rest_framework.decorators import api_view, permission_classes
|
|
from rest_framework.permissions import IsAuthenticated
|
|
from .constants import ChannelState, EventType, StreamType, ChannelMetadataField
|
|
from .config_helper import ConfigHelper
|
|
from .services.channel_service import ChannelService
|
|
from .url_utils import generate_stream_url, transform_url, get_stream_info_for_switch, get_stream_object, get_alternate_streams
|
|
from .utils import get_logger
|
|
from uuid import UUID
|
|
import gevent
|
|
|
|
logger = get_logger()
|
|
|
|
|
|
@api_view(['GET'])
|
|
def stream_ts(request, channel_id):
|
|
"""Stream TS data to client with immediate response and keep-alive packets during initialization"""
|
|
channel = get_stream_object(channel_id)
|
|
|
|
client_user_agent = None
|
|
proxy_server = ProxyServer.get_instance()
|
|
|
|
try:
|
|
# Generate a unique client ID
|
|
client_id = f"client_{int(time.time() * 1000)}_{random.randint(1000, 9999)}"
|
|
client_ip = get_client_ip(request)
|
|
logger.info(f"[{client_id}] Requested stream for channel {channel_id}")
|
|
|
|
# Extract client user agent early
|
|
for header in ['HTTP_USER_AGENT', 'User-Agent', 'user-agent']:
|
|
if (header in request.META):
|
|
client_user_agent = request.META[header]
|
|
logger.debug(f"[{client_id}] Client connected with user agent: {client_user_agent}")
|
|
break
|
|
|
|
# Check if we need to reinitialize the channel
|
|
needs_initialization = True
|
|
channel_state = None
|
|
|
|
# Get current channel state from Redis if available
|
|
if proxy_server.redis_client:
|
|
metadata_key = RedisKeys.channel_metadata(channel_id)
|
|
if proxy_server.redis_client.exists(metadata_key):
|
|
metadata = proxy_server.redis_client.hgetall(metadata_key)
|
|
state_field = ChannelMetadataField.STATE.encode('utf-8')
|
|
if state_field in metadata:
|
|
channel_state = metadata[state_field].decode('utf-8')
|
|
|
|
# Only skip initialization if channel is in a healthy state
|
|
valid_states = [ChannelState.ACTIVE, ChannelState.WAITING_FOR_CLIENTS]
|
|
if channel_state in valid_states:
|
|
# Verify the owner is still active
|
|
owner_field = ChannelMetadataField.OWNER.encode('utf-8')
|
|
if owner_field in metadata:
|
|
owner = metadata[owner_field].decode('utf-8')
|
|
owner_heartbeat_key = f"ts_proxy:worker:{owner}:heartbeat"
|
|
if proxy_server.redis_client.exists(owner_heartbeat_key):
|
|
# Owner is active and channel is in good state
|
|
needs_initialization = False
|
|
logger.info(f"[{client_id}] Channel {channel_id} in state {channel_state} with active owner {owner}")
|
|
|
|
# Start initialization if needed
|
|
channel_initializing = False
|
|
if needs_initialization or not proxy_server.check_if_channel_exists(channel_id):
|
|
# Force cleanup of any previous instance
|
|
if channel_state in [ChannelState.ERROR, ChannelState.STOPPING, ChannelState.STOPPED]:
|
|
logger.warning(f"[{client_id}] Channel {channel_id} in state {channel_state}, forcing cleanup")
|
|
proxy_server.stop_channel(channel_id)
|
|
|
|
# Initialize the channel (but don't wait for completion)
|
|
logger.info(f"[{client_id}] Starting channel {channel_id} initialization")
|
|
|
|
# Use max retry attempts and connection timeout from config
|
|
max_retries = ConfigHelper.max_retries()
|
|
retry_timeout = ConfigHelper.connection_timeout()
|
|
wait_start_time = time.time()
|
|
|
|
stream_url = None
|
|
stream_user_agent = None
|
|
transcode = False
|
|
profile_value = None
|
|
error_reason = None
|
|
|
|
# Try to get a stream with configured retries
|
|
for attempt in range(max_retries):
|
|
stream_url, stream_user_agent, transcode, profile_value = generate_stream_url(channel_id)
|
|
|
|
if stream_url is not None:
|
|
logger.info(f"[{client_id}] Successfully obtained stream for channel {channel_id}")
|
|
break
|
|
|
|
# If we failed because there are no streams assigned, don't retry
|
|
_, _, error_reason = channel.get_stream()
|
|
if error_reason and 'maximum connection limits' not in error_reason:
|
|
logger.warning(f"[{client_id}] Can't retry - error not related to connection limits: {error_reason}")
|
|
break
|
|
|
|
# Don't exceed the overall connection timeout
|
|
if time.time() - wait_start_time > retry_timeout:
|
|
logger.warning(f"[{client_id}] Connection wait timeout exceeded ({retry_timeout}s)")
|
|
break
|
|
|
|
# Wait before retrying (using exponential backoff with a cap)
|
|
wait_time = min(0.5 * (2 ** attempt), 2.0) # Caps at 2 seconds
|
|
logger.info(f"[{client_id}] Waiting {wait_time:.1f}s for a connection to become available (attempt {attempt+1}/{max_retries})")
|
|
gevent.sleep(wait_time) # FIXED: Using gevent.sleep instead of time.sleep
|
|
|
|
if stream_url is None:
|
|
# Make sure to release any stream locks that might have been acquired
|
|
if hasattr(channel, 'streams') and channel.streams.exists():
|
|
for stream in channel.streams.all():
|
|
try:
|
|
stream.release_stream()
|
|
logger.info(f"[{client_id}] Released stream {stream.id} for channel {channel_id}")
|
|
except Exception as e:
|
|
logger.error(f"[{client_id}] Error releasing stream: {e}")
|
|
|
|
# Get the specific error message if available
|
|
wait_duration = f"{int(time.time() - wait_start_time)}s"
|
|
error_msg = error_reason if error_reason else 'No available streams for this channel'
|
|
return JsonResponse({
|
|
'error': error_msg,
|
|
'waited': wait_duration
|
|
}, status=503) # 503 Service Unavailable is appropriate here
|
|
|
|
# Get the stream ID from the channel
|
|
stream_id, m3u_profile_id, _ = channel.get_stream()
|
|
logger.info(f"Channel {channel_id} using stream ID {stream_id}, m3u account profile ID {m3u_profile_id}")
|
|
|
|
# Generate transcode command if needed
|
|
stream_profile = channel.get_stream_profile()
|
|
if stream_profile.is_redirect():
|
|
# Validate the stream URL before redirecting
|
|
from .url_utils import validate_stream_url, get_alternate_streams, get_stream_info_for_switch
|
|
|
|
# Try initial URL
|
|
logger.info(f"[{client_id}] Validating redirect URL: {stream_url}")
|
|
is_valid, final_url, status_code, message = validate_stream_url(
|
|
stream_url,
|
|
user_agent=stream_user_agent,
|
|
timeout=(5, 5)
|
|
)
|
|
|
|
# If first URL doesn't validate, try alternates
|
|
if not is_valid:
|
|
logger.warning(f"[{client_id}] Primary stream URL failed validation: {message}")
|
|
|
|
# Track tried streams to avoid loops
|
|
tried_streams = {stream_id}
|
|
|
|
# Get alternate streams
|
|
alternates = get_alternate_streams(channel_id, stream_id)
|
|
|
|
# Try each alternate until one works
|
|
for alt in alternates:
|
|
if alt['stream_id'] in tried_streams:
|
|
continue
|
|
|
|
tried_streams.add(alt['stream_id'])
|
|
|
|
# Get stream info
|
|
alt_info = get_stream_info_for_switch(channel_id, alt['stream_id'])
|
|
if 'error' in alt_info:
|
|
logger.warning(f"[{client_id}] Error getting alternate stream info: {alt_info['error']}")
|
|
continue
|
|
|
|
# Validate the alternate URL
|
|
logger.info(f"[{client_id}] Trying alternate stream #{alt['stream_id']}: {alt_info['url']}")
|
|
is_valid, final_url, status_code, message = validate_stream_url(
|
|
alt_info['url'],
|
|
user_agent=alt_info['user_agent'],
|
|
timeout=(5, 5)
|
|
)
|
|
|
|
if is_valid:
|
|
logger.info(f"[{client_id}] Alternate stream #{alt['stream_id']} validated successfully")
|
|
break
|
|
else:
|
|
logger.warning(f"[{client_id}] Alternate stream #{alt['stream_id']} failed validation: {message}")
|
|
# Release stream lock before redirecting
|
|
channel.release_stream()
|
|
# Final decision based on validation results
|
|
if is_valid:
|
|
logger.info(f"[{client_id}] Redirecting to validated URL: {final_url} ({message})")
|
|
return HttpResponseRedirect(final_url)
|
|
else:
|
|
logger.error(f"[{client_id}] All available redirect URLs failed validation")
|
|
return JsonResponse({
|
|
'error': 'All available streams failed validation'
|
|
}, status=502) # 502 Bad Gateway
|
|
|
|
# Initialize channel with the stream's user agent (not the client's)
|
|
success = ChannelService.initialize_channel(
|
|
channel_id, stream_url, stream_user_agent, transcode, profile_value, stream_id, m3u_profile_id
|
|
)
|
|
|
|
if not success:
|
|
return JsonResponse({'error': 'Failed to initialize channel'}, status=500)
|
|
|
|
# If we're the owner, wait for connection to establish
|
|
if proxy_server.am_i_owner(channel_id):
|
|
manager = proxy_server.stream_managers.get(channel_id)
|
|
if manager:
|
|
wait_start = time.time()
|
|
timeout = ConfigHelper.connection_timeout()
|
|
while not manager.connected:
|
|
if time.time() - wait_start > timeout:
|
|
proxy_server.stop_channel(channel_id)
|
|
return JsonResponse({'error': 'Connection timeout'}, status=504)
|
|
|
|
# Check if this manager should keep retrying or stop
|
|
if not manager.should_retry():
|
|
# Check channel state in Redis to make a better decision
|
|
metadata_key = RedisKeys.channel_metadata(channel_id)
|
|
current_state = None
|
|
|
|
if proxy_server.redis_client:
|
|
try:
|
|
state_bytes = proxy_server.redis_client.hget(metadata_key, ChannelMetadataField.STATE)
|
|
if state_bytes:
|
|
current_state = state_bytes.decode('utf-8')
|
|
logger.debug(f"[{client_id}] Current state of channel {channel_id}: {current_state}")
|
|
except Exception as e:
|
|
logger.warning(f"[{client_id}] Error getting channel state: {e}")
|
|
|
|
# Allow normal transitional states to continue
|
|
if current_state in [ChannelState.INITIALIZING, ChannelState.CONNECTING]:
|
|
logger.info(f"[{client_id}] Channel {channel_id} is in {current_state} state, continuing to wait")
|
|
# Reset wait timer to allow the transition to complete
|
|
wait_start = time.time()
|
|
continue
|
|
|
|
# Check if we're switching URLs
|
|
if hasattr(manager, 'url_switching') and manager.url_switching:
|
|
logger.info(f"[{client_id}] Stream manager is currently switching URLs for channel {channel_id}")
|
|
# Reset wait timer to give the switch a chance
|
|
wait_start = time.time()
|
|
continue
|
|
|
|
# If we reach here, we've exhausted retries and the channel isn't in a valid transitional state
|
|
logger.warning(f"[{client_id}] Channel {channel_id} failed to connect and is not in transitional state")
|
|
proxy_server.stop_channel(channel_id)
|
|
return JsonResponse({'error': 'Failed to connect'}, status=502)
|
|
|
|
gevent.sleep(0.1) # FIXED: Using gevent.sleep instead of time.sleep
|
|
|
|
logger.info(f"[{client_id}] Successfully initialized channel {channel_id}")
|
|
channel_initializing = True
|
|
|
|
# Register client - can do this regardless of initialization state
|
|
# Create local resources if needed
|
|
if channel_id not in proxy_server.stream_buffers or channel_id not in proxy_server.client_managers:
|
|
logger.debug(f"[{client_id}] Channel {channel_id} exists in Redis but not initialized in this worker - initializing now")
|
|
|
|
# Get URL from Redis metadata
|
|
url = None
|
|
stream_user_agent = None # Initialize the variable
|
|
|
|
if proxy_server.redis_client:
|
|
metadata_key = RedisKeys.channel_metadata(channel_id)
|
|
url_bytes = proxy_server.redis_client.hget(metadata_key, ChannelMetadataField.URL)
|
|
ua_bytes = proxy_server.redis_client.hget(metadata_key, ChannelMetadataField.USER_AGENT)
|
|
profile_bytes = proxy_server.redis_client.hget(metadata_key, ChannelMetadataField.STREAM_PROFILE)
|
|
|
|
if url_bytes:
|
|
url = url_bytes.decode('utf-8')
|
|
if ua_bytes:
|
|
stream_user_agent = ua_bytes.decode('utf-8')
|
|
# Extract transcode setting from Redis
|
|
if profile_bytes:
|
|
profile_str = profile_bytes.decode('utf-8')
|
|
use_transcode = (profile_str == PROXY_PROFILE_NAME or profile_str == 'None')
|
|
logger.debug(f"Using profile '{profile_str}' for channel {channel_id}, transcode={use_transcode}")
|
|
else:
|
|
# Default settings when profile not found in Redis
|
|
profile_str = 'None' # Default profile name
|
|
use_transcode = False # Default to direct streaming without transcoding
|
|
logger.debug(f"No profile found in Redis for channel {channel_id}, defaulting to transcode={use_transcode}")
|
|
|
|
# Use client_user_agent as fallback if stream_user_agent is None
|
|
success = proxy_server.initialize_channel(url, channel_id, stream_user_agent or client_user_agent, use_transcode)
|
|
if not success:
|
|
logger.error(f"[{client_id}] Failed to initialize channel {channel_id} locally")
|
|
return JsonResponse({'error': 'Failed to initialize channel locally'}, status=500)
|
|
|
|
logger.info(f"[{client_id}] Successfully initialized channel {channel_id} locally")
|
|
|
|
# Register client
|
|
buffer = proxy_server.stream_buffers[channel_id]
|
|
client_manager = proxy_server.client_managers[channel_id]
|
|
client_manager.add_client(client_id, client_ip, client_user_agent)
|
|
logger.info(f"[{client_id}] Client registered with channel {channel_id}")
|
|
|
|
# Create a stream generator for this client
|
|
generate = create_stream_generator(
|
|
channel_id, client_id, client_ip, client_user_agent, channel_initializing
|
|
)
|
|
|
|
# Return the StreamingHttpResponse from the main function
|
|
response = StreamingHttpResponse(
|
|
streaming_content=generate(),
|
|
content_type='video/mp2t'
|
|
)
|
|
response['Cache-Control'] = 'no-cache'
|
|
return response
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error in stream_ts: {e}", exc_info=True)
|
|
return JsonResponse({'error': str(e)}, status=500)
|
|
|
|
@csrf_exempt
|
|
@api_view(['POST'])
|
|
@permission_classes([IsAuthenticated])
|
|
def change_stream(request, channel_id):
|
|
"""Change stream URL for existing channel with enhanced diagnostics"""
|
|
proxy_server = ProxyServer.get_instance()
|
|
|
|
try:
|
|
data = json.loads(request.body)
|
|
new_url = data.get('url')
|
|
user_agent = data.get('user_agent')
|
|
stream_id = data.get('stream_id')
|
|
|
|
# If stream_id is provided, get the URL and user_agent from it
|
|
if stream_id:
|
|
logger.info(f"Stream ID {stream_id} provided, looking up stream info for channel {channel_id}")
|
|
stream_info = get_stream_info_for_switch(channel_id, stream_id)
|
|
|
|
if 'error' in stream_info:
|
|
return JsonResponse({
|
|
'error': stream_info['error'],
|
|
'stream_id': stream_id
|
|
}, status=404)
|
|
|
|
# Use the info from the stream
|
|
new_url = stream_info['url']
|
|
user_agent = stream_info['user_agent']
|
|
m3u_profile_id = stream_info.get('m3u_profile_id')
|
|
# Stream ID will be passed to change_stream_url later
|
|
elif not new_url:
|
|
return JsonResponse({'error': 'Either url or stream_id must be provided'}, status=400)
|
|
|
|
logger.info(f"Attempting to change stream for channel {channel_id} to {new_url}")
|
|
|
|
# Use the service layer instead of direct implementation
|
|
# Pass stream_id to ensure proper connection tracking
|
|
result = ChannelService.change_stream_url(channel_id, new_url, user_agent, stream_id, m3u_profile_id)
|
|
|
|
# Get the stream manager before updating URL
|
|
stream_manager = proxy_server.stream_managers.get(channel_id)
|
|
|
|
# If we have a stream manager, reset its tried_stream_ids when manually changing streams
|
|
if stream_manager:
|
|
# Reset tried streams when manually switching URL via API
|
|
stream_manager.tried_stream_ids = set()
|
|
logger.debug(f"Reset tried stream IDs for channel {channel_id} during manual stream change")
|
|
|
|
if result.get('status') == 'error':
|
|
return JsonResponse({
|
|
'error': result.get('message', 'Unknown error'),
|
|
'diagnostics': result.get('diagnostics', {})
|
|
}, status=404)
|
|
|
|
# Format response based on whether it was a direct update or event-based
|
|
response_data = {
|
|
'message': 'Stream changed successfully',
|
|
'channel': channel_id,
|
|
'url': new_url,
|
|
'owner': result.get('direct_update', False),
|
|
'worker_id': proxy_server.worker_id
|
|
}
|
|
|
|
# Include stream_id in response if it was used
|
|
if stream_id:
|
|
response_data['stream_id'] = stream_id
|
|
|
|
return JsonResponse(response_data)
|
|
|
|
except json.JSONDecodeError:
|
|
return JsonResponse({'error': 'Invalid JSON'}, status=400)
|
|
except Exception as e:
|
|
logger.error(f"Failed to change stream: {e}", exc_info=True)
|
|
return JsonResponse({'error': str(e)}, status=500)
|
|
|
|
@api_view(['GET'])
|
|
@permission_classes([IsAuthenticated])
|
|
def channel_status(request, channel_id=None):
|
|
"""
|
|
Returns status information about channels with detail level based on request:
|
|
- /status/ returns basic summary of all channels
|
|
- /status/{channel_id} returns detailed info about specific channel
|
|
"""
|
|
proxy_server = ProxyServer.get_instance()
|
|
|
|
try:
|
|
# Check if Redis is available
|
|
if not proxy_server.redis_client:
|
|
return JsonResponse({'error': 'Redis connection not available'}, status=500)
|
|
|
|
# Handle single channel or all channels
|
|
if channel_id:
|
|
# Detailed info for specific channel
|
|
channel_info = ChannelStatus.get_detailed_channel_info(channel_id)
|
|
if channel_info:
|
|
return JsonResponse(channel_info)
|
|
else:
|
|
return JsonResponse({'error': f'Channel {channel_id} not found'}, status=404)
|
|
else:
|
|
# Basic info for all channels
|
|
channel_pattern = "ts_proxy:channel:*:metadata"
|
|
all_channels = []
|
|
|
|
# Extract channel IDs from keys
|
|
cursor = 0
|
|
while True:
|
|
cursor, keys = proxy_server.redis_client.scan(cursor, match=channel_pattern)
|
|
for key in keys:
|
|
channel_id_match = re.search(r"ts_proxy:channel:(.*):metadata", key.decode('utf-8'))
|
|
if channel_id_match:
|
|
ch_id = channel_id_match.group(1)
|
|
channel_info = ChannelStatus.get_basic_channel_info(ch_id)
|
|
if channel_info:
|
|
all_channels.append(channel_info)
|
|
|
|
if cursor == 0:
|
|
break
|
|
|
|
return JsonResponse({'channels': all_channels, 'count': len(all_channels)})
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error in channel_status: {e}", exc_info=True)
|
|
return JsonResponse({'error': str(e)}, status=500)
|
|
|
|
@csrf_exempt
|
|
@api_view(['POST', 'DELETE'])
|
|
@permission_classes([IsAuthenticated])
|
|
def stop_channel(request, channel_id):
|
|
"""Stop a channel and release all associated resources using PubSub events"""
|
|
try:
|
|
logger.info(f"Request to stop channel {channel_id} received")
|
|
|
|
# Use the service layer instead of direct implementation
|
|
result = ChannelService.stop_channel(channel_id)
|
|
|
|
if result.get('status') == 'error':
|
|
return JsonResponse({'error': result.get('message', 'Unknown error')}, status=404)
|
|
|
|
return JsonResponse({
|
|
'message': 'Channel stop request sent',
|
|
'channel_id': channel_id,
|
|
'previous_state': result.get('previous_state')
|
|
})
|
|
|
|
except Exception as e:
|
|
logger.error(f"Failed to stop channel: {e}", exc_info=True)
|
|
return JsonResponse({'error': str(e)}, status=500)
|
|
|
|
@csrf_exempt
|
|
@api_view(['POST'])
|
|
@permission_classes([IsAuthenticated])
|
|
def stop_client(request, channel_id):
|
|
"""Stop a specific client connection using existing client management"""
|
|
try:
|
|
# Parse request body to get client ID
|
|
data = json.loads(request.body)
|
|
client_id = data.get('client_id')
|
|
|
|
if not client_id:
|
|
return JsonResponse({'error': 'No client_id provided'}, status=400)
|
|
|
|
# Use the service layer instead of direct implementation
|
|
result = ChannelService.stop_client(channel_id, client_id)
|
|
|
|
if result.get('status') == 'error':
|
|
return JsonResponse({'error': result.get('message')}, status=404)
|
|
|
|
return JsonResponse({
|
|
'message': 'Client stop request processed',
|
|
'channel_id': channel_id,
|
|
'client_id': client_id,
|
|
'locally_processed': result.get('locally_processed', False)
|
|
})
|
|
|
|
except json.JSONDecodeError:
|
|
return JsonResponse({'error': 'Invalid JSON'}, status=400)
|
|
except Exception as e:
|
|
logger.error(f"Failed to stop client: {e}", exc_info=True)
|
|
return JsonResponse({'error': str(e)}, status=500)
|
|
|
|
@csrf_exempt
|
|
@api_view(['POST'])
|
|
@permission_classes([IsAuthenticated])
|
|
def next_stream(request, channel_id):
|
|
"""Switch to the next available stream for a channel"""
|
|
proxy_server = ProxyServer.get_instance()
|
|
|
|
try:
|
|
logger.info(f"Request to switch to next stream for channel {channel_id} received")
|
|
|
|
# Check if the channel exists
|
|
channel = get_stream_object(channel_id)
|
|
|
|
# First check if channel is active in Redis
|
|
current_stream_id = None
|
|
profile_id = None
|
|
|
|
if proxy_server.redis_client:
|
|
metadata_key = RedisKeys.channel_metadata(channel_id)
|
|
if proxy_server.redis_client.exists(metadata_key):
|
|
# Get current stream ID from Redis
|
|
stream_id_bytes = proxy_server.redis_client.hget(metadata_key, ChannelMetadataField.STREAM_ID)
|
|
if stream_id_bytes:
|
|
current_stream_id = int(stream_id_bytes.decode('utf-8'))
|
|
logger.info(f"Found current stream ID {current_stream_id} in Redis for channel {channel_id}")
|
|
|
|
# Get M3U profile from Redis if available
|
|
profile_id_bytes = proxy_server.redis_client.hget(metadata_key, ChannelMetadataField.M3U_PROFILE)
|
|
if profile_id_bytes:
|
|
profile_id = int(profile_id_bytes.decode('utf-8'))
|
|
logger.info(f"Found M3U profile ID {profile_id} in Redis for channel {channel_id}")
|
|
|
|
if not current_stream_id:
|
|
# Channel is not running
|
|
return JsonResponse({'error': 'No current stream found for channel'}, status=404)
|
|
|
|
# Get all streams for this channel in their defined order
|
|
streams = list(channel.streams.all().order_by('channelstream__order'))
|
|
|
|
if len(streams) <= 1:
|
|
return JsonResponse({
|
|
'error': 'No alternate streams available for this channel',
|
|
'current_stream_id': current_stream_id
|
|
}, status=404)
|
|
|
|
# Find the current stream's position in the list
|
|
current_index = None
|
|
for i, stream in enumerate(streams):
|
|
if stream.id == current_stream_id:
|
|
current_index = i
|
|
break
|
|
|
|
if current_index is None:
|
|
logger.warning(f"Current stream ID {current_stream_id} not found in channel's streams list")
|
|
# Fall back to the first stream that's not the current one
|
|
next_stream = next((s for s in streams if s.id != current_stream_id), None)
|
|
if not next_stream:
|
|
return JsonResponse({
|
|
'error': 'Could not find current stream in channel list',
|
|
'current_stream_id': current_stream_id
|
|
}, status=404)
|
|
else:
|
|
# Get the next stream in the rotation (with wrap-around)
|
|
next_index = (current_index + 1) % len(streams)
|
|
next_stream = streams[next_index]
|
|
|
|
next_stream_id = next_stream.id
|
|
logger.info(f"Rotating to next stream ID {next_stream_id} for channel {channel_id}")
|
|
|
|
# Get full stream info including URL for the next stream
|
|
stream_info = get_stream_info_for_switch(channel_id, next_stream_id)
|
|
|
|
if 'error' in stream_info:
|
|
return JsonResponse({
|
|
'error': stream_info['error'],
|
|
'current_stream_id': current_stream_id,
|
|
'next_stream_id': next_stream_id
|
|
}, status=404)
|
|
|
|
# Now use the ChannelService to change the stream URL
|
|
result = ChannelService.change_stream_url(
|
|
channel_id,
|
|
stream_info['url'],
|
|
stream_info['user_agent'],
|
|
next_stream_id # Pass the stream_id to be stored in Redis
|
|
)
|
|
|
|
if result.get('status') == 'error':
|
|
return JsonResponse({
|
|
'error': result.get('message', 'Unknown error'),
|
|
'diagnostics': result.get('diagnostics', {}),
|
|
'current_stream_id': current_stream_id,
|
|
'next_stream_id': next_stream_id
|
|
}, status=404)
|
|
|
|
# Format success response
|
|
response_data = {
|
|
'message': 'Stream switched to next available',
|
|
'channel': channel_id,
|
|
'previous_stream_id': current_stream_id,
|
|
'new_stream_id': next_stream_id,
|
|
'new_url': stream_info['url'],
|
|
'owner': result.get('direct_update', False),
|
|
'worker_id': proxy_server.worker_id
|
|
}
|
|
|
|
return JsonResponse(response_data)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Failed to switch to next stream: {e}", exc_info=True)
|
|
return JsonResponse({'error': str(e)}, status=500)
|