--- /dev/null
+/*************************************************************************
+*
+* Copyright 2020 highstreet technologies GmbH and others
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+***************************************************************************/
+
+#define _GNU_SOURCE
+
+#include "manager.h"
+#include "utils/log_utils.h"
+#include "utils/sys_utils.h"
+#include <stdio.h>
+#include <assert.h>
+
+#include <sysrepo.h>
+#include <sysrepo/values.h>
+
+#include "core/framework.h"
+#include "core/session.h"
+#include "core/context.h"
+#include "core/docker.h"
+
+#define NTS_MANAGER_MODULE "nts-manager"
+#define NTS_SIMULATION_SCHEMA_XPATH "/nts-manager:simulation"
+#define NTS_FUNCTION_LIST_SCHEMA_XPATH "/nts-manager:simulation/network-functions/network-function"
+#define NTS_SDN_CONTROLLER_CONFIG_XPATH "/nts-manager:simulation/sdn-controller"
+#define NTS_VES_ENDPOINT_CONFIG_XPATH "/nts-manager:simulation/ves-endpoint"
+
+static manager_network_function_type *manager_context = 0;
+static int manager_installed_function_types_count = 0;
+
+static int manager_populate_sysrepo_network_function_list(void);
+static int manager_populate_static_status(void);
+
+static void manager_context_free(manager_network_function_type *context);
+
+static int manager_process_change(int context_index, manager_network_function_type *new_context);
+static int manager_change_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, sr_event_t event, uint32_t request_id, void *private_data);
+static int manager_instances_get_items_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, const char *request_xpath, uint32_t request_id, struct lyd_node **parent, void *private_data);
+static int manager_stats_get_items_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, const char *request_xpath, uint32_t request_id, struct lyd_node **parent, void *private_data);
+
+int manager_run(void) {
+ assert_session();
+
+ log_message(1, LOG_COLOR_BOLD_YELLOW"\nrunning as MANAGER daemon...\n"LOG_COLOR_RESET);
+
+ manager_operations_init();
+ docker_device_init();
+
+ //get installed function types
+ struct lys_node_leaf *elem = (struct lys_node_leaf *)ly_ctx_get_node(session_context, 0, NTS_FUNCTION_LIST_SCHEMA_XPATH"/function-type", 0);
+ if(elem == 0) {
+ log_error("ly_ctx_get_node failed for xpath: %s", NTS_FUNCTION_LIST_SCHEMA_XPATH"/function-type");
+ return NTS_ERR_FAILED;
+ }
+
+ struct lys_ident **found = 0;
+ manager_installed_function_types_count = context_get_identity_leafs_of_type(elem->type.info.ident.ref[0], &found);
+ if(!manager_installed_function_types_count) {
+ log_error("error network functions");
+ return NTS_ERR_FAILED;
+ }
+
+ //initial list population
+ manager_context = (manager_network_function_type *)malloc(sizeof(manager_network_function_type) * manager_installed_function_types_count);
+ for(int i = 0; i < manager_installed_function_types_count; i++) {
+ manager_context[i].instance = 0;
+
+ manager_context[i].function_type = found[i];
+ asprintf(&manager_context[i].function_type_string, "%s:%s", found[i]->module->name, found[i]->name);
+ manager_context[i].docker_image_name = manager_context[i].function_type->ref;
+ manager_context[i].started_instances = 0;
+ manager_context[i].mounted_instances = 0;
+ manager_context[i].mount_point_addressing_method = strdup("docker-mapping");
+ manager_context[i].docker_instance_name = strdup(manager_context[i].function_type->name);
+ manager_context[i].docker_version_tag = strdup("");
+ manager_context[i].docker_repository = strdup("");
+ }
+ free(found);
+
+ //do initial sysrepo list population
+ int rc = manager_populate_sysrepo_network_function_list();
+ if(rc != NTS_ERR_OK) {
+ log_error("manager_populate_sysrepo_network_function_list failed");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = manager_populate_static_status();
+ if(rc != NTS_ERR_OK) {
+ log_error("manager_populate_static_status failed");
+ return NTS_ERR_FAILED;
+ }
+
+ //subscribe to any changes on the list
+ rc = sr_module_change_subscribe(session_running, NTS_MANAGER_MODULE, NTS_SIMULATION_SCHEMA_XPATH, manager_change_cb, NULL, 0, SR_SUBSCR_CTX_REUSE, &session_subscription);
+ if(rc != SR_ERR_OK) {
+ log_error("could not subscribe to simulation changes");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = sr_oper_get_items_subscribe(session_running, NTS_MANAGER_MODULE, NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_instances_get_items_cb, NULL, SR_SUBSCR_CTX_REUSE, &session_subscription);
+ if(rc != SR_ERR_OK) {
+ log_error("could not subscribe to oper faults");
+ return 0;
+ }
+
+ rc = sr_oper_get_items_subscribe(session_running, NTS_MANAGER_MODULE, NTS_SIMULATION_SCHEMA_XPATH, manager_stats_get_items_cb, NULL, SR_SUBSCR_CTX_REUSE, &session_subscription);
+ if(rc != SR_ERR_OK) {
+ log_error("could not subscribe to oper faults");
+ return 0;
+ }
+
+ //daemonize
+ while(!framework_sigint) {
+ sleep(1);
+ }
+
+ for(int i = 0; i < manager_installed_function_types_count; i++) {
+ while(manager_context[i].started_instances) {
+ manager_stop_instance(&manager_context[i]);
+ }
+ manager_context_free(&manager_context[i]);
+ }
+
+ free(manager_context);
+
+ return NTS_ERR_OK;
+}
+
+static int manager_populate_sysrepo_network_function_list(void) {
+ //check whether everything is already populated, read and update (if previously ran)
+ sr_val_t *values = 0;
+ size_t value_count = 0;
+ int rc = sr_get_items(session_running, NTS_FUNCTION_LIST_SCHEMA_XPATH, 0, 0, &values, &value_count);
+ if(rc != SR_ERR_OK) {
+ log_error("get items failed");
+ return NTS_ERR_FAILED;
+ }
+
+ //either get values, or if data inconclusive, delete everything
+ if(value_count) {
+ log_message(2, "nts-manager instances found (%d). cleaning up for fresh start...\n", value_count);
+
+ for(int i = 0; i < value_count; i++) {
+ rc = sr_delete_item(session_running, values[i].xpath, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_delete_item failed");
+ return NTS_ERR_FAILED;
+ }
+ }
+ rc = sr_apply_changes(session_running, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_apply_changes failed");
+ return NTS_ERR_FAILED;
+ }
+ }
+
+ //populate everything if needed
+ for(int i = 0; i < manager_installed_function_types_count; i++) {
+ char *xpath = 0;
+
+ asprintf(&xpath, "%s[function-type='%s']/function-type", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
+ rc = sr_set_item_str(session_running, xpath, (const char *)manager_context[i].function_type_string, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+ free(xpath);
+
+ asprintf(&xpath, "%s[function-type='%s']/started-instances", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
+ rc = sr_set_item_str(session_running, xpath, "0", 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+ free(xpath);
+
+ asprintf(&xpath, "%s[function-type='%s']/mounted-instances", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
+ rc = sr_set_item_str(session_running, xpath, "0", 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+ free(xpath);
+
+ asprintf(&xpath, "%s[function-type='%s']/mount-point-addressing-method", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
+ rc = sr_set_item_str(session_running, xpath, (const char*)manager_context[i].mount_point_addressing_method, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+ free(xpath);
+
+ asprintf(&xpath, "%s[function-type='%s']/docker-instance-name", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
+ rc = sr_set_item_str(session_running, xpath, (const char*)manager_context[i].docker_instance_name, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+ free(xpath);
+
+ asprintf(&xpath, "%s[function-type='%s']/docker-version-tag", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
+ rc = sr_set_item_str(session_running, xpath, (const char*)manager_context[i].docker_version_tag, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+ free(xpath);
+
+ asprintf(&xpath, "%s[function-type='%s']/docker-repository", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
+ rc = sr_set_item_str(session_running, xpath, (const char*)manager_context[i].docker_repository, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+ free(xpath);
+ }
+
+ char int_to_str[30];
+
+ //setup sdn-controller defaults
+ rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-ip", (const char*)framework_environment.sdn_controller_ip, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ sprintf(int_to_str, "%d", framework_environment.sdn_controller_port);
+ rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-port", (const char*)int_to_str, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ sprintf(int_to_str, "%d", framework_environment.sdn_controller_callhome_port);
+ rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-netconf-call-home-port", (const char*)int_to_str, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-username", (const char*)framework_environment.sdn_controller_username, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = sr_set_item_str(session_running, NTS_SDN_CONTROLLER_CONFIG_XPATH"/controller-password", (const char*)framework_environment.sdn_controller_password, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ //setup ves-endpoint details
+ rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-protocol", (const char*)framework_environment.ves_endpoint_protocol, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-ip", (const char*)framework_environment.ves_endpoint_ip, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ sprintf(int_to_str, "%d", framework_environment.ves_endpoint_port);
+ rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-port", (const char*)int_to_str, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-auth-method", (const char*)framework_environment.ves_endpoint_auth_method, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-username", (const char*)framework_environment.ves_endpoint_username, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-password", (const char*)framework_environment.ves_endpoint_password, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ rc = sr_set_item_str(session_running, NTS_VES_ENDPOINT_CONFIG_XPATH"/ves-endpoint-certificate", (const char*)framework_environment.ves_endpoint_certificate, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ //apply all changes
+ rc = sr_apply_changes(session_running, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_apply_changes failed");
+ return NTS_ERR_FAILED;
+ }
+
+ return NTS_ERR_OK;
+}
+
+static int manager_populate_static_status(void) {
+ assert_session();
+
+ char int_to_str[30];
+
+ //setup sdn-controller defaults
+ sprintf(int_to_str, "%d", framework_environment.host_base_port);
+ int rc = sr_set_item_str(session_operational, NTS_SIMULATION_SCHEMA_XPATH"/base-port", (const char*)int_to_str, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ sprintf(int_to_str, "%d", framework_environment.ssh_connections);
+ rc = sr_set_item_str(session_operational, NTS_SIMULATION_SCHEMA_XPATH"/ssh-connections", (const char*)int_to_str, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ sprintf(int_to_str, "%d", framework_environment.tls_connections);
+ rc = sr_set_item_str(session_operational, NTS_SIMULATION_SCHEMA_XPATH"/tls-connections", (const char*)int_to_str, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_set_item_str failed");
+ return NTS_ERR_FAILED;
+ }
+
+ //apply all changes
+ rc = sr_apply_changes(session_operational, 0, 0);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_apply_changes failed");
+ return NTS_ERR_FAILED;
+ }
+
+ return NTS_ERR_OK;
+}
+
+static void manager_context_free(manager_network_function_type *context) {
+ assert(context);
+
+ free(context->function_type_string);
+ free(context->mount_point_addressing_method);
+ free(context->docker_instance_name);
+ free(context->docker_version_tag);
+ free(context->docker_repository);
+}
+
+//take note that this happens in the sysrepo thread
+static int manager_process_change(int context_index, manager_network_function_type *new_context) {
+ assert(context_index < manager_installed_function_types_count);
+ assert(new_context);
+
+ manager_network_function_type *current_context = &manager_context[context_index];
+ int rc = 0;
+
+ current_context->data_changed |= new_context->data_changed;
+
+ //process changes, and update data in current_context to resemble new_context
+ if(new_context->docker_instance_name != 0) {
+ free(current_context->docker_instance_name);
+ current_context->docker_instance_name = strdup(new_context->docker_instance_name);
+ }
+
+ if(new_context->docker_version_tag != 0) {
+ free(current_context->docker_version_tag);
+ current_context->docker_version_tag = strdup(new_context->docker_version_tag);
+ }
+
+ if(new_context->docker_repository != 0) {
+ free(current_context->docker_repository);
+ current_context->docker_repository = strdup(new_context->docker_repository);
+ }
+
+ if(new_context->mount_point_addressing_method != 0) {
+ free(current_context->mount_point_addressing_method);
+ current_context->mount_point_addressing_method = strdup(new_context->mount_point_addressing_method);
+ }
+
+ if(new_context->started_instances != -1) {
+ if(new_context->started_instances < current_context->started_instances) {
+ //remove started instances
+ while(current_context->started_instances > new_context->started_instances) {
+ log_message(2, "stopping instance of type %s\n", current_context->function_type_string);
+ rc = manager_stop_instance(current_context);
+ if(rc != NTS_ERR_OK) {
+ log_error("manager_stop_instance failed");
+ return NTS_ERR_FAILED;
+ }
+ }
+ }
+ else if(new_context->started_instances > current_context->started_instances) {
+ //add started instances
+ while(current_context->started_instances < new_context->started_instances) {
+ log_message(2, "staring instance of type %s\n", current_context->function_type_string);
+ rc = manager_start_instance(current_context);
+ if(rc != NTS_ERR_OK) {
+ log_error("manager_start_instance failed");
+ return NTS_ERR_FAILED;
+ }
+ }
+ }
+ }
+
+ if(new_context->mounted_instances != -1) {
+ if(new_context->mounted_instances < current_context->mounted_instances) {
+ //remove mounted instances
+ while(current_context->mounted_instances > new_context->mounted_instances) {
+ log_message(2, "unmounting instance of type %s\n", current_context->function_type_string);
+ rc = manager_unmount_instance(current_context);
+ if(rc != NTS_ERR_OK) {
+ log_error("manager_unmount_instance failed");
+ return NTS_ERR_FAILED;
+ }
+ }
+ }
+ else if(new_context->mounted_instances > current_context->mounted_instances) {
+ //add mounted instances
+ while(current_context->mounted_instances < new_context->mounted_instances) {
+ log_message(2, "mouting instance of type %s\n", current_context->function_type_string);
+ rc = manager_mount_instance(current_context);
+ if(rc != NTS_ERR_OK) {
+ log_error("manager_mount_instance failed");
+ return NTS_ERR_FAILED;
+ }
+ }
+ }
+ }
+
+ return NTS_ERR_OK;
+}
+
+static int manager_change_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, sr_event_t event, uint32_t request_id, void *private_data) {
+ sr_change_iter_t *it = 0;
+ int rc = SR_ERR_OK;
+ sr_change_oper_t oper;
+ sr_val_t *old_value = 0;
+ sr_val_t *new_value = 0;
+
+ if(event == SR_EV_CHANGE) {
+ manager_network_function_type new_context;
+ new_context.function_type = 0; //not to be used. use only from current_context
+ new_context.function_type_string = 0; //not to be used. use only from current_context
+ int index = -1;
+
+ rc = sr_get_changes_iter(session, NTS_FUNCTION_LIST_SCHEMA_XPATH"//.", &it);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_get_changes_iter failed");
+ return SR_ERR_VALIDATION_FAILED;
+ }
+
+ while((rc = sr_get_change_next(session, it, &oper, &old_value, &new_value)) == SR_ERR_OK) {
+ char *ov = sr_val_to_str(old_value);
+ char *nv = sr_val_to_str(new_value);
+
+ //get function type and index
+ char *function_type_string = strdup(strstr(new_value->xpath, "function-type='") + 15);
+ *strchr(function_type_string, '\'') = 0;
+
+ //if context is new
+ if((new_context.function_type_string == 0) || (strcmp(new_context.function_type_string, function_type_string) != 0)) {
+
+ if(new_context.function_type_string != 0) {
+ if(manager_process_change(index, &new_context) != NTS_ERR_OK) {
+ manager_context_free(&new_context);
+ return SR_ERR_VALIDATION_FAILED;
+ }
+
+ manager_context_free(&new_context);
+ }
+
+ //-1 means no change
+ new_context.function_type_string = function_type_string;
+ new_context.started_instances = -1;
+ new_context.mounted_instances = -1;
+ new_context.mount_point_addressing_method = 0;
+ new_context.docker_instance_name = 0;
+ new_context.docker_version_tag = 0;
+ new_context.docker_repository = 0;
+
+ new_context.data_changed = false;
+
+ //find intex in manager_context[]
+ for(int i = 0; i < manager_installed_function_types_count; i++) {
+ if(strcmp(function_type_string, manager_context[i].function_type_string) == 0) {
+ index = i;
+ break;
+ }
+ }
+ }
+
+ char *leaf_path = strdup(strstr(new_value->xpath, "']/") + 3);
+ if(strcmp(leaf_path, "started-instances") == 0) {
+ new_context.started_instances = new_value->data.uint16_val;
+ }
+ else if(strcmp(leaf_path, "mounted-instances") == 0) {
+ new_context.mounted_instances = new_value->data.uint16_val;
+ }
+ else if(strcmp(leaf_path, "mount-point-addressing-method") == 0) {
+ new_context.mount_point_addressing_method = strdup(nv);
+ }
+ else if(strcmp(leaf_path, "docker-instance-name") == 0) {
+ new_context.docker_instance_name = strdup(nv);
+ }
+ else if(strcmp(leaf_path, "docker-version-tag") == 0) {
+ new_context.docker_version_tag = strdup(nv);
+ }
+ else if(strcmp(leaf_path, "docker-repository") == 0) {
+ new_context.docker_repository = strdup(nv);
+ }
+ else {
+ new_context.data_changed = true;
+ }
+
+ free(leaf_path);
+ free(ov);
+ free(nv);
+ sr_free_val(old_value);
+ sr_free_val(new_value);
+ }
+
+ sr_free_change_iter(it);
+
+ if(index != -1) {
+ if(manager_process_change(index, &new_context) != NTS_ERR_OK) {
+ manager_context_free(&new_context);
+ return SR_ERR_VALIDATION_FAILED;
+ }
+
+ manager_context_free(&new_context);
+ }
+ }
+ else if(event == SR_EV_DONE) {
+ bool global_change = true;
+
+ rc = sr_get_changes_iter(session, NTS_SIMULATION_SCHEMA_XPATH"//.", &it);
+ if(rc != SR_ERR_OK) {
+ log_error("sr_get_changes_iter failed");
+ return SR_ERR_VALIDATION_FAILED;
+ }
+
+ while((rc = sr_get_change_next(session, it, &oper, &old_value, &new_value)) == SR_ERR_OK) {
+ if(strstr(new_value->xpath, NTS_FUNCTION_LIST_SCHEMA_XPATH) == new_value->xpath) {
+ global_change = false;
+ sr_free_val(old_value);
+ sr_free_val(new_value);
+ break;
+ }
+
+ sr_free_val(old_value);
+ sr_free_val(new_value);
+ }
+
+ sr_free_change_iter(it);
+
+ // commit all updates
+ for(int i = 0; i < manager_installed_function_types_count; i++) {
+ for(int j = 0; j < manager_context[i].started_instances; j++) {
+ if(global_change || manager_context[i].data_changed || (manager_context[i].instance[j].is_configured == false)) {
+ log_message(2, "configuring instance %d of type %s\n", j, manager_context[i].function_type_string);
+ rc = manager_config_instance(&manager_context[i], &manager_context[i].instance[j]);
+ if(rc != NTS_ERR_OK) {
+ log_error("manager_config_instance failed");
+ }
+ }
+ }
+
+ manager_context[i].data_changed = false;
+ }
+ global_change = false;
+ }
+
+ return SR_ERR_OK;
+}
+
+static int manager_instances_get_items_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, const char *request_xpath, uint32_t request_id, struct lyd_node **parent, void *private_data) {
+
+ char value[100];
+
+ *parent = lyd_new_path(NULL, sr_get_context(sr_session_get_connection(session)), NTS_FUNCTION_LIST_SCHEMA_XPATH, 0, 0, 0);
+ if(*parent == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+
+ for(int i = 0; i < manager_installed_function_types_count; i++) {
+ char *ftype_path = 0;
+ asprintf(&ftype_path, "%s[function-type='%s']/instances/instance", NTS_FUNCTION_LIST_SCHEMA_XPATH, manager_context[i].function_type_string);
+ for(int j = 0; j < manager_context[i].started_instances; j++) {
+ char *instance_path = 0;
+ asprintf(&instance_path, "%s[name='%s']", ftype_path, manager_context[i].instance[j].name);
+
+ char *full_path = 0;
+
+ asprintf(&full_path, "%s/mount-point-addressing-method", instance_path);
+ if(lyd_new_path(*parent, NULL, full_path, manager_context[i].instance[j].mount_point_addressing_method, 0, 0) == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+ free(full_path);
+
+ asprintf(&full_path, "%s/networking/docker-ip", instance_path);
+ if(lyd_new_path(*parent, NULL, full_path, manager_context[i].instance[j].docker_ip, 0, 0) == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+ free(full_path);
+
+ asprintf(&full_path, "%s/networking/docker-port", instance_path);
+ sprintf(value, "%d", manager_context[i].instance[j].docker_port);
+ if(lyd_new_path(*parent, NULL, full_path, value, 0, 0) == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+ free(full_path);
+
+ asprintf(&full_path, "%s/networking/host-ip", instance_path);
+ if(lyd_new_path(*parent, NULL, full_path, manager_context[i].instance[j].host_ip, 0, 0) == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+ free(full_path);
+
+ asprintf(&full_path, "%s/networking/host-port", instance_path);
+ sprintf(value, "%d", manager_context[i].instance[j].host_port);
+ if(lyd_new_path(*parent, NULL, full_path, value, 0, 0) == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+ free(full_path);
+
+ free(instance_path);
+ }
+ free(ftype_path);
+ }
+
+ return SR_ERR_OK;
+}
+
+static int manager_stats_get_items_cb(sr_session_ctx_t *session, const char *module_name, const char *xpath, const char *request_xpath, uint32_t request_id, struct lyd_node **parent, void *private_data) {
+
+ char value[128];
+
+ *parent = lyd_new_path(NULL, sr_get_context(sr_session_get_connection(session)), NTS_SIMULATION_SCHEMA_XPATH, 0, 0, 0);
+ if(*parent == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+
+ docker_usage_t usage = docker_usage_get(manager_context, manager_installed_function_types_count);
+
+ sprintf(value, "%.2f", usage.cpu);
+ if(lyd_new_path(*parent, NULL, NTS_SIMULATION_SCHEMA_XPATH"/cpu-usage", value, 0, 0) == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+
+ sprintf(value, "%.0f", usage.mem);
+ if(lyd_new_path(*parent, NULL, NTS_SIMULATION_SCHEMA_XPATH"/mem-usage", value, 0, 0) == 0) {
+ return SR_ERR_OPERATION_FAILED;
+ }
+
+ return SR_ERR_OK;
+}
Code Review / sim / o1-interface.git / blobdiff