def sr_plugin_init_cb(session):
ctx = {}
ctx["yang_model"] = yang_model
ctx["sess"] = session
ctx["sub"] = sr.Subscribe(session)
ctx["config_file"] = "network"
ctx["uci_sections"] = ["interface"]
ctx["map"] = table_sr_uci
rc = load_startup_datastore(ctx)
if sr.SR_ERR_OK != rc:
return sr.SR_ERR_INTERNAL
rc = sync_datastores(ctx)
if sr.SR_ERR_OK != rc:
return sr.SR_ERR_INTERNAL
# subscribe for changes in running config */
ctx["sub"].module_change_subscribe(ctx["yang_model"], module_change_cb, ctx)
print "\n\n ========== READING STARTUP CONFIG: ==========\n"
try:
print_current_config(session, yang_model);
except Exception as e:
print e
print "\n\n ========== STARTUP CONFIG APPLIED AS RUNNING ==========\n"
sr.global_loop()
return rc
def module_change_cb(sess, module_name, event, private_ctx):
print "\n\n ========== CONFIG HAS CHANGED, CURRENT RUNNING CONFIG: ==========\n"
try:
print "\n\n ========== Notification " + ev_to_str(
event) + " =============================================\n"
if (sr.SR_EV_APPLY == event):
print "\n ========== CONFIG HAS CHANGED, CURRENT RUNNING CONFIG: ==========\n"
print_current_config(sess, module_name)
print "\n ========== CHANGES: =============================================\n"
change_path = "/" + module_name + ":*"
subscribe = sr.Subscribe(sess)
it = subscribe.get_changes_iter(change_path)
while True:
change = subscribe.get_change_next(it)
if change == None:
break
print_change(change.oper(), change.old_val(), change.new_val())
print "\n\n ========== END OF CHANGES =======================================\n"
except Exception as e:
print e
return sr.SR_ERR_OK
def createDataTreeLargeExampleModule(count, datastore):
"""
Add data to example-module.
"""
conn = sr.Connection("load test")
sess = sr.Session(conn, datastore)
subs = sr.Subscribe(sess)
for i in xrange(count):
xpath = "/example-module:container/list[key1='key" + str(i) + "'][key2='key" + str(i) +"']/leaf"
val = sr.Val("leaf" + str(i), sr.SR_STRING_T)
sess.set_item(xpath, val)
sess.commit()
def createDataTreeLargeIETFinterfacesModule(count, datastore):
"""
Add data to ietf-interfaces.
"""
conn = sr.Connection("load test")
sess = sr.Session(conn, datastore)
subs = sr.Subscribe(sess)
for i in xrange(count):
xpath = "/ietf-interfaces:interfaces/interface[name='eth" + str(
i) + "']"
xpath_ip = xpath + "/ietf-ip:ipv4/address[ip='192.168.1." + str(
i) + "]"
x_name = xpath + "/name"
x_type = xpath + "/type"
x_desc = xpath + "/description"
x_enabled = xpath + "/enabled"
x_ipv4_enabled = xpath + "/ietf-ip:ipv4/enabled"
x_ipv4_mtu = xpath + "/ietf-ip:ipv4/mtu"
x_ipv4_forward = xpath + "/ietf-ip:ipv4/forwarding"
x_prefix_len = xpath_ip + "/prefix-length"
val = sr.Val("Ethernet 0", sr.SR_STRING_T)
sess.set_item(x_desc, val)
val = sr.Val("ethernetCsmacd", sr.SR_IDENTITYREF_T)
sess.set_item(x_type, val)
val = sr.Val(True, sr.SR_BOOL_T)
sess.set_item(x_enabled, val)
val = sr.Val(True, sr.SR_BOOL_T)
sess.set_item(x_ipv4_enabled, val)
val = sr.Val(1500, sr.SR_UINT16_T)
sess.set_item(x_ipv4_mtu, val)
val = sr.Val(False, sr.SR_BOOL_T)
sess.set_item(x_ipv4_forward, val)
sess.commit()
def clearDataTree(module_name, datastore):
"""
Clear yang model.
"""
conn = sr.Connection("clear")
sess = sr.Session(conn, datastore)
subs = sr.Subscribe(sess)
xpath = "/" + module_name + ":*//*"
values = sess.get_items(xpath)
if values == None:
return
for i in xrange(values.val_cnt()):
sess.delete_item(values.val(i).xpath())
sess.commit()
except Exception as e:
six.print_(e)
try:
module_name = "test"
xpath = "/test:hello"
# connect to sysrepo
conn = sr.Connection("example_application")
# start session
sess = sr.Session(conn)
# subscribe for changes in running config */
subscribe = sr.Subscribe(sess)
six.print_("\n ========== SUBSCRIBE TO RPC CALL ==========")
subscribe.rpc_subscribe(xpath, test_rpc_cb)
in_vals = sr.Vals(1)
in_vals.val(0).set(xpath + "/name", "Laura", sr.SR_STRING_T)
six.print_("\n ========== START RPC CALL ==========")
out_vals = sess.rpc_send(xpath, in_vals)
six.print_("\n ========== PRINT RETURN VALUE ==========")
for n in range(out_vals.val_cnt()):
print_value(out_vals.val(n))
six.print_("\n ========== END PROGRAM ==========\n")
