class P2PCallPlugin(PluginBase):
""" This base class for plugin """
def __init__(self, proxy_config, backend_server_mgr, pyramid_config):
super().__init__(proxy_config, backend_server_mgr, pyramid_config)
self.config = self.read_config(
os.path.join(proxy_config['general']['configs_folder'],
'janus-proxy.plugin.p2pcall.yml'))
# set up DAO
from januscloud.proxy.dao.mem_videocall_user_dao import MemVideoCallUserDao
if self.config['general']['user_db'] == 'memory':
self.user_dao = MemVideoCallUserDao()
else:
raise JanusCloudError(
'user_db url {} not support by videocall plugin'.format(
self.config['general']['user_db']),
JANUS_ERROR_NOT_IMPLEMENTED)
self.api_base_url = self.get_api_base_url(proxy_config)
#print('api_base_url:', self.api_base_url)
includeme(pyramid_config)
pyramid_config.registry.p2pcall_plugin = self
log.info('{} initialized!'.format(JANUS_P2PCALL_NAME))
def get_version(self):
return JANUS_P2PCALL_VERSION
def get_version_string(self):
return JANUS_P2PCALL_VERSION_STRING
def get_description(self):
return JANUS_P2PCALL_DESCRIPTION
def get_name(self):
return JANUS_P2PCALL_NAME
def get_author(self):
return JANUS_P2PCALL_AUTHOR
def get_package(self):
return JANUS_P2PCALL_PACKAGE
def create_handle(self,
handle_id,
session,
opaque_id=None,
*args,
**kwargs):
return P2PCallHandle(handle_id, session, self, opaque_id, *args,
**kwargs)
def handle_async_event(self, to_user, from_user, async_event):
p2pcall_user = self.user_dao.get_by_username(to_user)
if p2pcall_user is None:
raise JanusCloudError(
'Username \'{}\' doesn\'t exist'.format(to_user),
JANUS_P2PCALL_ERROR_NO_SUCH_USERNAME)
if p2pcall_user.handle is None:
raise JanusCloudError('Not support relay http request',
JANUS_P2PCALL_ERROR_INVALID_REQUEST)
log.debug(
'an async event ({}) from \'{}\' to \'{}\' is received by http API'
.format(async_event, from_user, to_user))
p2pcall_user.handle.on_async_event(from_user, async_event)
@staticmethod
def read_config(config_file):
p2pcall_config_schema = Schema({
Optional("general"):
Default(
{
Optional("user_db"): Default(StrVal(), default='memory'),
AutoDel(str): object # for all other key we don't care
},
default={}),
DoNotCare(str):
object # for all other key we don't care
})
#print('config file:', config_file)
if config_file is None or config_file == '':
config = p2pcall_config_schema.validate({})
else:
config = parse_config(config_file, p2pcall_config_schema)
# check other configure option is valid or not
return config
@staticmethod
def get_api_base_url(proxy_config):
server_addr = None
server_name = proxy_config['general']['server_name'].strip()
if len(
server_name
) > 0 and server_name != '127.0.0.1' and 'localhost' not in server_name:
server_addr = server_name
# try:
# ip = socket.gethostbyname(server_name)
# if ip and ip not in {'127.0.0.1', '0.0.0.0'}:
# server_addr = server_name
# except socket.error as e:
# # server_name is not a valid host domain name
# pass
listen_addr, sep, port = proxy_config['admin_api'][
'http_listen'].strip().partition(':')
if server_addr is None and listen_addr != '0.0.0.0':
server_addr = listen_addr.strip()
if server_addr is None:
server_addr = get_host_ip()
return 'http://' + server_addr + ':' + str(
port) + JANUS_P2PCALL_API_BASE_PATH
class VideoCallPlugin(PluginBase):
def __init__(self, proxy_config, backend_server_mgr, pyramid_config):
super().__init__(proxy_config, backend_server_mgr, pyramid_config)
self.config = self.read_config(
os.path.join(proxy_config['general']['configs_folder'],
'janus-proxy.plugin.videocall.yml'))
self.backend_server_mgr = backend_server_mgr
# set up DAO
from januscloud.proxy.dao.mem_videocall_user_dao import MemVideoCallUserDao
if self.config['general']['user_db'] == 'memory':
self.user_dao = MemVideoCallUserDao()
else:
raise JanusCloudError(
'user_db url {} not support by videocall plugin'.format(
self.config['general']['user_db']),
JANUS_ERROR_NOT_IMPLEMENTED)
self.api_base_url = self.get_api_base_url(proxy_config)
#print('api_base_url:', self.api_base_url)
includeme(pyramid_config)
pyramid_config.registry.videocall_plugin = self
log.info('{} initialized!'.format(JANUS_VIDEOCALL_NAME))
def get_version(self):
return JANUS_VIDEOCALL_VERSION
def get_version_string(self):
return JANUS_VIDEOCALL_VERSION_STRING
def get_description(self):
return JANUS_VIDEOCALL_DESCRIPTION
def get_name(self):
return JANUS_VIDEOCALL_NAME
def get_author(self):
return JANUS_VIDEOCALL_AUTHOR
def get_package(self):
return JANUS_VIDEOCALL_PACKAGE
def create_handle(self,
handle_id,
session,
opaque_id=None,
*args,
**kwargs):
return VideoCallHandle(handle_id, session, self, opaque_id, *args,
**kwargs)
def call_peer(self,
peer_username,
caller_username,
backend_server_url,
backend_keepalive_interval=10):
peer = self.user_dao.get_by_username(peer_username)
if peer is None:
raise JanusCloudError(
'Username \'{}\' doesn\'t exist'.format(peer_username),
JANUS_VIDEOCALL_ERROR_NO_SUCH_USERNAME)
if peer.handle:
# the peer is handled by self
peer.handle.handle_incoming_call(caller_username,
backend_server_url)
elif peer.api_url:
# the peer is handled by the other janus-proxy
caller = self.user_dao.get_by_username(caller_username)
if caller is None or caller.handle is None:
raise JanusCloudError('Not support relay http request',
JANUS_VIDEOCALL_ERROR_INVALID_REQUEST)
r = requests.post(peer.api_url,
data={
'caller_username':
caller_username,
'backend_server_url':
backend_server_url,
'backend_keepalive_interval':
str(backend_keepalive_interval)
})
if r.status_code != requests.codes.ok:
try:
text = r.json()['info']
except Exception:
text = r.text
raise JanusCloudError(text, r.status_code)
@staticmethod
def read_config(config_file):
videocall_config_schema = Schema({
Optional("general"):
Default(
{
Optional("user_db"): Default(StrVal(), default='memory'),
AutoDel(str): object # for all other key we don't care
},
default={}),
DoNotCare(str):
object # for all other key we don't care
})
#print('config file:', config_file)
if config_file is None or config_file == '':
config = videocall_config_schema.validate({})
else:
config = parse_config(config_file, videocall_config_schema)
# check other configure option is valid or not
return config
@staticmethod
def get_api_base_url(proxy_config):
server_addr = None
server_name = proxy_config['general']['server_name'].strip()
if len(
server_name
) > 0 and server_name != '127.0.0.1' and 'localhost' not in server_name:
server_addr = server_name
# try:
# ip = socket.gethostbyname(server_name)
# if ip and ip not in {'127.0.0.1', '0.0.0.0'}:
# server_addr = server_name
# except socket.error as e:
# # server_name is not a valid host domain name
# pass
listen_addr, sep, port = proxy_config['admin_api'][
'http_listen'].strip().partition(':')
if server_addr is None and listen_addr.strip() != '0.0.0.0':
server_addr = listen_addr.strip()
if server_addr is None:
server_addr = get_host_ip()
return 'http://' + server_addr + ':' + str(
port) + JANUS_VIDEOCALL_API_BASE_PATH