[docker-syncd-mlnx] add new mlnx-sfpd daemon to docker-syncd-mlnx (#1841)
* This new daemon will listen to the SDK for the SDK change event, * after got a SFP change event will publish a notification via DB. modified: platform/mellanox/docker-syncd-mlnx-rpc.mk modified: platform/mellanox/docker-syncd-mlnx.mk modified: platform/mellanox/docker-syncd-mlnx/start.sh modified: platform/mellanox/docker-syncd-mlnx/supervisord.conf new file: platform/mellanox/mlnx-sfpd.mk new file: platform/mellanox/mlnx-sfpd/scripts/mlnx-sfpd new file: platform/mellanox/mlnx-sfpd/setup.py modified: platform/mellanox/rules.mk signed-off-by Liu Kebo kebol@mellanox.com
This commit is contained in:
Kebo Liu
lguohan
parent
92eb7b47b2
commit
117dc2b008
@ -2,7 +2,7 @@
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DOCKER_SYNCD_MLNX_RPC = docker-syncd-mlnx-rpc.gz
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$(DOCKER_SYNCD_MLNX_RPC)_PATH = $(PLATFORM_PATH)/docker-syncd-mlnx-rpc
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$(DOCKER_SYNCD_MLNX_RPC)_DEPENDS += $(SYNCD_RPC) $(LIBTHRIFT)
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$(DOCKER_SYNCD_MLNX_RPC)_DEPENDS += $(SYNCD_RPC) $(LIBTHRIFT) $(MLNX_SFPD)
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$(DOCKER_SYNCD_MLNX_RPC)_LOAD_DOCKERS += $(DOCKER_SYNCD_MLNX)
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SONIC_DOCKER_IMAGES += $(DOCKER_SYNCD_MLNX_RPC)
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ifeq ($(ENABLE_SYNCD_RPC),y)
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@ -2,7 +2,7 @@
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DOCKER_SYNCD_MLNX = docker-syncd-mlnx.gz
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$(DOCKER_SYNCD_MLNX)_PATH = $(PLATFORM_PATH)/docker-syncd-mlnx
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$(DOCKER_SYNCD_MLNX)_DEPENDS += $(SYNCD) $(PYTHON_SDK_API)
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$(DOCKER_SYNCD_MLNX)_DEPENDS += $(SYNCD) $(PYTHON_SDK_API) $(MLNX_SFPD)
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$(DOCKER_SYNCD_MLNX)_LOAD_DOCKERS += $(DOCKER_CONFIG_ENGINE)
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SONIC_DOCKER_IMAGES += $(DOCKER_SYNCD_MLNX)
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ifneq ($(ENABLE_SYNCD_RPC),y)
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@ -5,3 +5,5 @@ rm -f /var/run/rsyslogd.pid
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supervisorctl start rsyslogd
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supervisorctl start syncd
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supervisorctl start mlnx-sfpd
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@ -26,3 +26,11 @@ autostart=false
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autorestart=false
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stdout_logfile=syslog
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stderr_logfile=syslog
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[program:mlnx-sfpd]
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command=/usr/bin/mlnx-sfpd
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priority=4
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autostart=false
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autorestart=false
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stdout_logfile=syslog
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stderr_logfile=syslog
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5
platform/mellanox/mlnx-sfpd.mk
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5
platform/mellanox/mlnx-sfpd.mk
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@ -0,0 +1,5 @@
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# mlnx-sfpd (SONiC MLNX platform sfp event monitoring daemon) Debian package
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MLNX_SFPD = python-mlnx-sfpd_1.0-1_all.deb
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$(MLNX_SFPD)_SRC_PATH = $(PLATFORM_PATH)/mlnx-sfpd
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SONIC_PYTHON_STDEB_DEBS += $(MLNX_SFPD)
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199
platform/mellanox/mlnx-sfpd/scripts/mlnx-sfpd
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199
platform/mellanox/mlnx-sfpd/scripts/mlnx-sfpd
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@ -0,0 +1,199 @@
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#!/usr/bin/env python
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'''
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This code is for a mlnx platform specific daemon, mlnx-sfpd.
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Which listen to the SDK for the SFP change event and post the event to DB.
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'''
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from __future__ import print_function
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import sys, errno
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import os
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import time
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import syslog
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import signal
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import json
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from python_sdk_api.sx_api import *
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from swsssdk import SonicV2Connector
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VERSION = '1.0'
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SYSLOG_IDENTIFIER = "mlnx-sfpd"
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REDIS_HOSTIP = "127.0.0.1"
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SDK_SFP_STATE_IN = 0x1
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SDK_SFP_STATE_OUT = 0x2
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STATUS_PLUGIN = '1'
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STATUS_PLUGOUT = '0'
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STATUS_UNKNOWN = '2'
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sfp_value_status_dict = {SDK_SFP_STATE_IN:STATUS_PLUGIN, SDK_SFP_STATE_OUT:STATUS_PLUGOUT}
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#========================== Syslog wrappers ==========================
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def log_info(msg, also_print_to_console=False):
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syslog.openlog(SYSLOG_IDENTIFIER)
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syslog.syslog(syslog.LOG_INFO, msg)
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syslog.closelog()
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if also_print_to_console:
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print(msg)
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def log_warning(msg, also_print_to_console=False):
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syslog.openlog(SYSLOG_IDENTIFIER)
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syslog.syslog(syslog.LOG_WARNING, msg)
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syslog.closelog()
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if also_print_to_console:
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print(msg)
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def log_error(msg, also_print_to_console=False):
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syslog.openlog(SYSLOG_IDENTIFIER)
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syslog.syslog(syslog.LOG_ERR, msg)
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syslog.closelog()
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if also_print_to_console:
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print(msg)
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#========================== Signal Handling ==========================
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def signal_handler(sig, frame):
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if sig == signal.SIGHUP:
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log_info("Caught SIGHUP - ignoring...")
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return
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elif sig == signal.SIGINT:
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log_info("Caught SIGINT - exiting...")
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sys.exit(128 + sig)
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elif sig == signal.SIGTERM:
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log_info("Caught SIGTERM - exiting...")
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sys.exit(128 + sig)
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else:
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log_warning("Caught unhandled signal '" + sig + "'")
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def sx_recv(fd_p, handle):
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# recv parameters
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pkt_size = 2000
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pkt_size_p = new_uint32_t_p()
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uint32_t_p_assign(pkt_size_p, pkt_size)
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pkt = new_uint8_t_arr(pkt_size)
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recv_info_p = new_sx_receive_info_t_p()
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pmpe_t = sx_event_pmpe_t()
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logical_port_list = new_sx_port_log_id_t_arr(4)
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port_attributes_list = new_sx_port_attributes_t_arr(64)
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port_cnt_p = new_uint32_t_p()
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uint32_t_p_assign(port_cnt_p,64)
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label_port_list = []
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rc = sx_lib_host_ifc_recv(fd_p, pkt, pkt_size_p, recv_info_p)
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if rc != 0:
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log_error("event receive exit with error, rc %d" % rc)
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exit(rc)
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pmpe_t = recv_info_p.event_info.pmpe
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port_list_size = pmpe_t.list_size
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logical_port_list = pmpe_t.log_port_list
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module_state = pmpe_t.module_state
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for i in range(0, port_list_size):
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logical_port = sx_port_log_id_t_arr_getitem(logical_port_list, i)
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rc = sx_api_port_device_get(handle, 1 , 0, port_attributes_list, port_cnt_p)
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port_cnt = uint32_t_p_value(port_cnt_p)
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for i in range(0,port_cnt):
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port_attributes = sx_port_attributes_t_arr_getitem(port_attributes_list,i)
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if port_attributes.log_port == logical_port:
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lable_port = port_attributes.port_mapping.module_port
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break
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label_port_list.append(lable_port)
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return label_port_list, module_state
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def send_sfp_notification(db, interface, state):
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sfp_notify = [interface,state]
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msg = json.dumps(sfp_notify,separators=(',',':'))
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db.publish('STATE_DB','TRANSCEIVER_NOTIFY', msg)
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return
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# main start
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def main():
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# Register our signal handlers
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signal.signal(signal.SIGHUP, signal_handler)
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signal.signal(signal.SIGINT, signal_handler)
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signal.signal(signal.SIGTERM, signal_handler)
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#open SDK handler
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log_info("starting mlnx-sfpd...")
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rc, handle = sx_api_open(None)
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retry_time = 1
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while rc != SX_STATUS_SUCCESS:
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time.sleep(2**retry_time)
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retry_time += 1
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rc, handle = sx_api_open(None)
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if retry_time > 20:
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log_error("Failed to open api handle.\nPlease check that SDK is running.")
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sys.exit(errno.EACCES)
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#open recv fd
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rx_fd_p = new_sx_fd_t_p()
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rc = sx_api_host_ifc_open(handle, rx_fd_p)
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if rc != 0:
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log_error("sx_api_host_ifc_open exit with error, rc %d" % rc)
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exit(rc)
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# set up general host ifc parameters
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swid = 0
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cmd = SX_ACCESS_CMD_REGISTER
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uc_p = new_sx_user_channel_t_p()
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uc_p.type = SX_USER_CHANNEL_TYPE_FD
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uc_p.channel.fd = rx_fd_p
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trap_id = SX_TRAP_ID_PMPE
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rc = sx_api_host_ifc_trap_id_register_set(handle, cmd, swid, trap_id, uc_p)
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if rc != 0:
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log_error("sx_api_host_ifc_trap_id_register_set exit with error, rc %d" % rc)
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exit(rc)
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#connect to state db for notification sending
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state_db = SonicV2Connector(host=REDIS_HOSTIP)
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state_db.connect(state_db.STATE_DB)
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#main loop for sfp event listening
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log_info("mlnx-sfpd started")
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while True:
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state = STATUS_UNKNOWN
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port_list, module_state = sx_recv(rx_fd_p, handle)
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if module_state in sfp_value_status_dict: state = sfp_value_status_dict[module_state]
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if state != STATUS_UNKNOWN:
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for port in port_list:
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log_info("SFP on port %d state %s" % (port, state))
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send_sfp_notification(state_db, str(port), state)
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log_info("sfp change event handling done")
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'''
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# TODO: clean open handlers before exit, need find out which errors can be raised by SDK in this case.
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# unregister trap id
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cmd = SX_ACCESS_CMD_DEREGISTER
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rc = sx_api_host_ifc_trap_id_register_set(handle, cmd, swid, trap_id, uc_p)
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if rc != 0:
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log_error("sx_api_host_ifc_trap_id_register_set exit with error, rc %d" % rc)
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exit(rc)
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# close read fp
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rc = sx_api_host_ifc_close(handle, rx_fd_p)
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if rc != 0:
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log_error("sx_api_host_ifc_close exit with error, rc %d" % rc)
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exit(rc)
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# close sdk handler
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rc = sx_api_close(handle)
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if rc != 0:
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log_error("exit with error, rc %d" % rc)
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exit(rc)
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log_info("mlnx-sfpd exited")
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'''
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if __name__ == '__main__':
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main()
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28
platform/mellanox/mlnx-sfpd/setup.py
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28
platform/mellanox/mlnx-sfpd/setup.py
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from setuptools import setup
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setup(
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name='mlnx-sfpd',
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version='1.0',
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description='SFP event mmonitoring daemon for SONiC on mellanox platform',
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license='Apache 2.0',
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author='SONiC Community',
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url='https://github.com/Azure/sonic-buildimage/',
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maintainer='Kebo Liu',
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maintainer_email='kebol@mellanox.com',
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scripts=[
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'scripts/mlnx-sfpd',
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],
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classifiers=[
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'Development Status :: 4 - Beta',
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'Environment :: No Input/Output (Daemon)',
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'Intended Audience :: Developers',
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'Intended Audience :: Information Technology',
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'Intended Audience :: System Administrators',
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'License :: OSI Approved :: Apache Software License',
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'Natural Language :: English',
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'Operating System :: POSIX :: Linux',
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'Programming Language :: Python :: 2.7',
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'Topic :: System :: Hardware',
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],
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keywords='sonic SONiC SFP sfp MELLANOX mellanox daemon SFPD sfpd',
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)
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@ -10,6 +10,7 @@ include $(PLATFORM_PATH)/one-image.mk
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include $(PLATFORM_PATH)/libsaithrift-dev.mk
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include $(PLATFORM_PATH)/python-saithrift.mk
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include $(PLATFORM_PATH)/docker-ptf-mlnx.mk
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include $(PLATFORM_PATH)/mlnx-sfpd.mk
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SONIC_ALL += $(SONIC_ONE_IMAGE) \
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$(DOCKER_FPM)
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