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[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
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@@ -5,3 +5,5 @@ rm -f /var/run/rsyslogd.pid | |
| supervisorctl start rsyslogd | ||
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| supervisorctl start syncd | ||
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| supervisorctl start mlnx-sfpd | ||
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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 | ||
| $(MLNX_SFPD)_SRC_PATH = $(PLATFORM_PATH)/mlnx-sfpd | ||
| SONIC_PYTHON_STDEB_DEBS += $(MLNX_SFPD) |
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| #!/usr/bin/env python | ||
| ''' | ||
| This code is for a mlnx platform specific daemon, mlnx-sfpd. | ||
| Which listen to the SDK for the SFP change event and post the event to DB. | ||
| ''' | ||
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| from __future__ import print_function | ||
| import sys, errno | ||
| import os | ||
| import time | ||
| import syslog | ||
| import signal | ||
| import json | ||
| from python_sdk_api.sx_api import * | ||
| 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 | ||
| SDK_SFP_STATE_OUT = 0x2 | ||
| STATUS_PLUGIN = '1' | ||
| STATUS_PLUGOUT = '0' | ||
| 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): | ||
| syslog.openlog(SYSLOG_IDENTIFIER) | ||
| syslog.syslog(syslog.LOG_INFO, msg) | ||
| syslog.closelog() | ||
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| if also_print_to_console: | ||
| print(msg) | ||
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| def log_warning(msg, also_print_to_console=False): | ||
| syslog.openlog(SYSLOG_IDENTIFIER) | ||
| syslog.syslog(syslog.LOG_WARNING, msg) | ||
| syslog.closelog() | ||
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| if also_print_to_console: | ||
| print(msg) | ||
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| def log_error(msg, also_print_to_console=False): | ||
| syslog.openlog(SYSLOG_IDENTIFIER) | ||
| syslog.syslog(syslog.LOG_ERR, msg) | ||
| syslog.closelog() | ||
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| if also_print_to_console: | ||
| print(msg) | ||
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| #========================== Signal Handling ========================== | ||
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| def signal_handler(sig, frame): | ||
| if sig == signal.SIGHUP: | ||
| log_info("Caught SIGHUP - ignoring...") | ||
| return | ||
| elif sig == signal.SIGINT: | ||
| log_info("Caught SIGINT - exiting...") | ||
| sys.exit(128 + sig) | ||
| elif sig == signal.SIGTERM: | ||
| log_info("Caught SIGTERM - exiting...") | ||
| sys.exit(128 + sig) | ||
| else: | ||
| log_warning("Caught unhandled signal '" + sig + "'") | ||
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| def sx_recv(fd_p, handle): | ||
| # recv parameters | ||
| pkt_size = 2000 | ||
| pkt_size_p = new_uint32_t_p() | ||
| uint32_t_p_assign(pkt_size_p, pkt_size) | ||
| pkt = new_uint8_t_arr(pkt_size) | ||
| recv_info_p = new_sx_receive_info_t_p() | ||
| pmpe_t = sx_event_pmpe_t() | ||
| logical_port_list = new_sx_port_log_id_t_arr(4) | ||
| port_attributes_list = new_sx_port_attributes_t_arr(64) | ||
| port_cnt_p = new_uint32_t_p() | ||
| uint32_t_p_assign(port_cnt_p,64) | ||
| label_port_list = [] | ||
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| rc = sx_lib_host_ifc_recv(fd_p, pkt, pkt_size_p, recv_info_p) | ||
| if rc != 0: | ||
| log_error("event receive exit with error, rc %d" % rc) | ||
| exit(rc) | ||
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| pmpe_t = recv_info_p.event_info.pmpe | ||
| port_list_size = pmpe_t.list_size | ||
| logical_port_list = pmpe_t.log_port_list | ||
| module_state = pmpe_t.module_state | ||
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| for i in range(0, port_list_size): | ||
| logical_port = sx_port_log_id_t_arr_getitem(logical_port_list, i) | ||
| rc = sx_api_port_device_get(handle, 1 , 0, port_attributes_list, port_cnt_p) | ||
| port_cnt = uint32_t_p_value(port_cnt_p) | ||
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| for i in range(0,port_cnt): | ||
| port_attributes = sx_port_attributes_t_arr_getitem(port_attributes_list,i) | ||
| if port_attributes.log_port == logical_port: | ||
| lable_port = port_attributes.port_mapping.module_port | ||
| break | ||
| 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): | ||
| sfp_notify = [interface,state] | ||
| msg = json.dumps(sfp_notify,separators=(',',':')) | ||
| db.publish('STATE_DB','TRANSCEIVER_NOTIFY', msg) | ||
| return | ||
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| # main start | ||
| def main(): | ||
| # Register our signal handlers | ||
| signal.signal(signal.SIGHUP, signal_handler) | ||
| signal.signal(signal.SIGINT, signal_handler) | ||
| signal.signal(signal.SIGTERM, signal_handler) | ||
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| #open SDK handler | ||
| log_info("starting mlnx-sfpd...") | ||
| rc, handle = sx_api_open(None) | ||
| retry_time = 1 | ||
| while rc != SX_STATUS_SUCCESS: | ||
| time.sleep(2**retry_time) | ||
| retry_time += 1 | ||
| rc, handle = sx_api_open(None) | ||
| if retry_time > 20: | ||
| log_error("Failed to open api handle.\nPlease check that SDK is running.") | ||
| sys.exit(errno.EACCES) | ||
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| #open recv fd | ||
| rx_fd_p = new_sx_fd_t_p() | ||
| rc = sx_api_host_ifc_open(handle, rx_fd_p) | ||
| if rc != 0: | ||
| log_error("sx_api_host_ifc_open exit with error, rc %d" % rc) | ||
| exit(rc) | ||
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| # set up general host ifc parameters | ||
| swid = 0 | ||
| cmd = SX_ACCESS_CMD_REGISTER | ||
| uc_p = new_sx_user_channel_t_p() | ||
| uc_p.type = SX_USER_CHANNEL_TYPE_FD | ||
| uc_p.channel.fd = rx_fd_p | ||
| 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) | ||
| if rc != 0: | ||
| log_error("sx_api_host_ifc_trap_id_register_set exit with error, rc %d" % rc) | ||
| exit(rc) | ||
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| #connect to state db for notification sending | ||
| state_db = SonicV2Connector(host=REDIS_HOSTIP) | ||
| state_db.connect(state_db.STATE_DB) | ||
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| #main loop for sfp event listening | ||
| log_info("mlnx-sfpd started") | ||
| while True: | ||
| state = STATUS_UNKNOWN | ||
| port_list, module_state = sx_recv(rx_fd_p, handle) | ||
| if module_state in sfp_value_status_dict: state = sfp_value_status_dict[module_state] | ||
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| if state != STATUS_UNKNOWN: | ||
| for port in port_list: | ||
| log_info("SFP on port %d state %s" % (port, state)) | ||
| send_sfp_notification(state_db, str(port), state) | ||
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| log_info("sfp change event handling done") | ||
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| ''' | ||
| # TODO: clean open handlers before exit, need find out which errors can be raised by SDK in this case. | ||
| # unregister trap id | ||
| cmd = SX_ACCESS_CMD_DEREGISTER | ||
| rc = sx_api_host_ifc_trap_id_register_set(handle, cmd, swid, trap_id, uc_p) | ||
| if rc != 0: | ||
| log_error("sx_api_host_ifc_trap_id_register_set exit with error, rc %d" % rc) | ||
| exit(rc) | ||
| # close read fp | ||
| rc = sx_api_host_ifc_close(handle, rx_fd_p) | ||
| if rc != 0: | ||
| log_error("sx_api_host_ifc_close exit with error, rc %d" % rc) | ||
| exit(rc) | ||
| # close sdk handler | ||
| rc = sx_api_close(handle) | ||
| if rc != 0: | ||
| log_error("exit with error, rc %d" % rc) | ||
| exit(rc) | ||
| log_info("mlnx-sfpd exited") | ||
| ''' | ||
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| if __name__ == '__main__': | ||
| main() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| from setuptools import setup | ||
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| setup( | ||
| name='mlnx-sfpd', | ||
| version='1.0', | ||
| description='SFP event mmonitoring daemon for SONiC on mellanox platform', | ||
| license='Apache 2.0', | ||
| author='SONiC Community', | ||
| url='https://github.com/Azure/sonic-buildimage/', | ||
| maintainer='Kebo Liu', | ||
| maintainer_email='kebol@mellanox.com', | ||
| scripts=[ | ||
| 'scripts/mlnx-sfpd', | ||
| ], | ||
| classifiers=[ | ||
| 'Development Status :: 4 - Beta', | ||
| 'Environment :: No Input/Output (Daemon)', | ||
| 'Intended Audience :: Developers', | ||
| 'Intended Audience :: Information Technology', | ||
| 'Intended Audience :: System Administrators', | ||
| 'License :: OSI Approved :: Apache Software License', | ||
| 'Natural Language :: English', | ||
| 'Operating System :: POSIX :: Linux', | ||
| 'Programming Language :: Python :: 2.7', | ||
| 'Topic :: System :: Hardware', | ||
| ], | ||
| keywords='sonic SONiC SFP sfp MELLANOX mellanox daemon SFPD sfpd', | ||
| ) |
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