def update_vaps(self):
"""Update active VAPs."""
for tenant in RUNTIME.tenants.values():
# tenant does not use shared VAPs
if tenant.bssid_type == T_TYPE_UNIQUE:
continue
# wtp not in this tenant
if self.wtp.addr not in tenant.wtps:
continue
for block in self.wtp.supports:
bssid = tenant.generate_bssid(block.hwaddr)
# vap has already been created
if bssid in tenant.vaps:
continue
vap = VAP(bssid, block, tenant)
self.send_add_vap(vap)
tenant.vaps[bssid] = vap
def _handle_status_vap(self, wtp, status):
"""Handle an incoming STATUS_VAP message.
Args:
status, a STATUS_VAP message
Returns:
None
"""
bssid = EtherAddress(status.bssid)
ssid = SSID(status.ssid)
tenant = RUNTIME.load_tenant(ssid)
if not tenant:
self.log.info("VAP %s from unknown tenant %s", bssid, ssid)
return
# Check if block is valid
valid = wtp.get_block(status.hwaddr, status.channel, status.band)
if not valid:
self.log.warning("No valid intersection found. Removing VAP.")
wtp.connection.send_del_vap(bssid)
return
# If the VAP does not exists, then create a new one
if bssid not in tenant.vaps:
vap = VAP(bssid, valid, tenant)
tenant.vaps[bssid] = vap
vap = tenant.vaps[bssid]
self.log.info("VAP status %s", vap)
def _handle_status_vap(cls, wtp, status):
"""Handle an incoming STATUS_VAP message.
Args:
status, a STATUS_VAP message
Returns:
None
"""
if not wtp.connection:
LOG.info("VAP Status from disconnected WTP %s", wtp.addr)
return
net_bssid_addr = EtherAddress(status.net_bssid)
ssid = SSID(status.ssid)
tenant = RUNTIME.load_tenant(ssid)
if not tenant:
LOG.info("VAP %s from unknown tenant %s", net_bssid_addr, ssid)
return
incoming = ResourceBlock(wtp, EtherAddress(status.hwaddr),
status.channel, status.band)
LOG.info("VAP status update from %s", net_bssid_addr)
# If the VAP does not exists, then create a new one
if net_bssid_addr not in tenant.vaps:
vap = VAP(net_bssid_addr, incoming, wtp, tenant)
tenant.vaps[net_bssid_addr] = vap
vap = tenant.vaps[net_bssid_addr]
LOG.info("VAP status %s", vap)
def update_vaps(self):
"""Update active VAPs."""
for project in self.manager.projects_manager.projects.values():
# project does not have wifi_props
if not project.wifi_props:
continue
# project does not use shared VAPs
if project.wifi_props.bssid_type == T_BSSID_TYPE_UNIQUE:
continue
for block in self.device.blocks.values():
bssid = project.generate_bssid(block.hwaddr)
# vap has already been created
if bssid in self.manager.vaps:
continue
vap = VAP(bssid, block, project.wifi_props.ssid)
self.send_add_vap(vap)
self.manager.vaps[bssid] = vap
def _handle_hello(self, wtp, hello):
"""Handle an incoming HELLO message.
Args:
hello, a HELLO message
Returns:
None
"""
LOG.info("Hello from %s WTP %s seq %u", self.addr[0], wtp.addr,
hello.seq)
# New connection
if not wtp.connection:
# set pointer to pnfdev object
self.wtp = wtp
# set connection
wtp.connection = self
# Update WTP params
wtp.period = hello.period
wtp.last_seen = hello.seq
wtp.last_seen_ts = time.time()
# Upon connection to the controller, the WTP must be provided
# with the list of shared VAP
for tenant in RUNTIME.tenants.values():
# tenant does not use shared VAPs
if tenant.bssid_type == T_TYPE_UNIQUE:
continue
# wtp not in this tenant
if wtp.addr not in tenant.wtps:
continue
tenant_id = tenant.tenant_id
tokens = [tenant_id.hex[0:12][i:i + 2] for i in range(0, 12, 2)]
base_bssid = EtherAddress(':'.join(tokens))
for block in wtp.supports:
net_bssid = generate_bssid(base_bssid, block.hwaddr)
# vap has already been created
if net_bssid in RUNTIME.tenants[tenant_id].vaps:
continue
vap = VAP(net_bssid, block, wtp, tenant)
self.send_add_vap(vap)
RUNTIME.tenants[tenant_id].vaps[net_bssid] = vap
def _handle_status_vap(cls, status):
"""Handle an incoming STATUS_VAP message.
Args:
status, a STATUS_VAP message
Returns:
None
"""
wtp_addr = EtherAddress(status.wtp)
try:
wtp = RUNTIME.wtps[wtp_addr]
except KeyError:
LOG.info("VAP Status from unknown WTP %s", wtp_addr)
return
if not wtp.connection:
LOG.info("VAP Status from disconnected WTP %s", wtp_addr)
return
net_bssid_addr = EtherAddress(status.net_bssid)
ssid = SSID(status.ssid)
tenant_id = None
for tenant in RUNTIME.tenants.values():
if tenant.tenant_name == ssid:
tenant_id = tenant.tenant_id
break
if not tenant_id:
LOG.info("VAP %s from unknown tenant %s", net_bssid_addr, ssid)
return
tenant = RUNTIME.tenants[tenant_id]
vap = None
hwaddr = EtherAddress(status.hwaddr)
block = ResourceBlock(wtp, hwaddr, status.channel, status.band)
ssid = status.ssid
LOG.info("VAP %s status update block %s", net_bssid_addr, block)
# If the VAP does not exists, then create a new one
if net_bssid_addr not in tenant.vaps:
tenant.vaps[net_bssid_addr] = \
VAP(net_bssid_addr, block, wtp, tenant)
vap = tenant.vaps[net_bssid_addr]
LOG.info("VAP status %s", vap)
def send_vaps(self):
"""Send VAPs configurations.
Upon connection to the controller, the WTP must be provided
with the list of shared VAPs
Args:
None
Returns:
None
"""
for tenant in RUNTIME.tenants.values():
# tenant does not use shared VAPs
if tenant.bssid_type == T_TYPE_UNIQUE:
continue
# wtp not in this tenant
if self.wtp.addr not in tenant.wtps:
continue
tenant_id = tenant.tenant_id
tokens = [tenant_id.hex[0:12][i:i + 2] for i in range(0, 12, 2)]
base_bssid = EtherAddress(':'.join(tokens))
for block in self.wtp.supports:
net_bssid = generate_bssid(base_bssid, block.hwaddr)
# vap has already been created
if net_bssid in RUNTIME.tenants[tenant_id].vaps:
continue
vap = VAP(net_bssid, block, self.wtp, tenant)
self.send_add_vap(vap)
RUNTIME.tenants[tenant_id].vaps[net_bssid] = vap
def _handle_vap_status_response(self, status):
"""Handle an incoming STATUS_VAP message."""
bssid = EtherAddress(status.bssid)
ssid = SSID(status.ssid)
project = self.manager.projects_manager.load_project_by_ssid(ssid)
if not project:
self.log.warning("Unable to find SSID %s", ssid)
self.send_del_vap(bssid)
return
# If the VAP does not exists, then create a new one
if bssid not in self.manager.vaps:
incoming = self.device.blocks[status.iface_id]
self.manager.vaps[bssid] = VAP(bssid, incoming,
project.wifi_props.ssid)
vap = self.manager.vaps[bssid]
self.log.info("VAP status %s", vap)
def _handle_hello(self, hello):
"""Handle an incoming HELLO message.
Args:
hello, a HELLO message
Returns:
None
"""
wtp_addr = EtherAddress(hello.wtp)
try:
wtp = RUNTIME.wtps[wtp_addr]
except KeyError:
LOG.info("Hello from unknown WTP (%s)", wtp_addr)
return
LOG.info("Hello from %s seq %u", self.addr[0], hello.seq)
# compute delta if not new connection
if wtp.connection:
delta = time.time() - wtp.last_seen_ts
# uplink
ul_bytes = hello.uplink_bytes - wtp.uplink_bytes
wtp.uplink_bytes_per_second = int(ul_bytes / delta) * 8
# downlink
dl_bytes = hello.downlink_bytes - wtp.downlink_bytes
wtp.downlink_bytes_per_second = int(dl_bytes / delta) * 8
# If this is a new connection, then send caps request
if not wtp.connection:
# set wtp before connection because it is used when the
# connection attribute of the PNFDev object is set
self.wtp = wtp
wtp.connection = self
# Update WTP params
wtp.period = hello.period
wtp.last_seen = hello.seq
wtp.uplink_bytes = hello.uplink_bytes
wtp.downlink_bytes = hello.downlink_bytes
wtp.last_seen_ts = time.time()
# Upon connection to the controller, the WTP must be provided
# with the list of shared VAP
for tenant in RUNTIME.tenants.values():
# tenant does not use shared VAPs
if tenant.bssid_type == T_TYPE_UNIQUE:
continue
# wtp not in this tenant
if wtp_addr not in tenant.wtps:
continue
tenant_id = tenant.tenant_id
tokens = [tenant_id.hex[0:12][i:i + 2] for i in range(0, 12, 2)]
base_bssid = EtherAddress(':'.join(tokens))
for block in wtp.supports:
net_bssid = generate_bssid(base_bssid, block.hwaddr)
# vap has already been created
if net_bssid in RUNTIME.tenants[tenant_id].vaps:
continue
vap = VAP(net_bssid, block, wtp, tenant)
self.send_add_vap(vap)
RUNTIME.tenants[tenant_id].vaps[net_bssid] = vap
