| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| #include <qpid/dispatch/ctools.h> |
| #include "agent_config_link_route.h" |
| #include "route_control.h" |
| #include <stdio.h> |
| |
| #define QDR_CONFIG_LINK_ROUTE_NAME 0 |
| #define QDR_CONFIG_LINK_ROUTE_IDENTITY 1 |
| #define QDR_CONFIG_LINK_ROUTE_TYPE 2 |
| #define QDR_CONFIG_LINK_ROUTE_PREFIX 3 |
| #define QDR_CONFIG_LINK_ROUTE_DISTRIBUTION 4 |
| #define QDR_CONFIG_LINK_ROUTE_CONNECTION 5 |
| #define QDR_CONFIG_LINK_ROUTE_CONTAINER_ID 6 |
| #define QDR_CONFIG_LINK_ROUTE_DIR 7 |
| |
| const char *qdr_config_link_route_columns[] = |
| {"name", |
| "identity", |
| "type", |
| "prefix", |
| "distribution", |
| "connection", |
| "containerId", |
| "dir", |
| 0}; |
| |
| |
| static void qdr_config_link_route_insert_column_CT(qdr_link_route_t *lr, int col, qd_composed_field_t *body, bool as_map) |
| { |
| const char *text = 0; |
| const char *key; |
| |
| if (as_map) |
| qd_compose_insert_string(body, qdr_config_link_route_columns[col]); |
| |
| switch(col) { |
| case QDR_CONFIG_LINK_ROUTE_NAME: |
| if (lr->name) |
| qd_compose_insert_string(body, lr->name); |
| else |
| qd_compose_insert_null(body); |
| break; |
| |
| case QDR_CONFIG_LINK_ROUTE_IDENTITY: { |
| char id_str[100]; |
| snprintf(id_str, 100, "%ld", lr->identity); |
| qd_compose_insert_string(body, id_str); |
| break; |
| } |
| |
| case QDR_CONFIG_LINK_ROUTE_TYPE: |
| qd_compose_insert_string(body, "org.apache.qpid.dispatch.config.linkRoute"); |
| break; |
| |
| case QDR_CONFIG_LINK_ROUTE_PREFIX: |
| key = (const char*) qd_hash_key_by_handle(lr->addr->hash_handle); |
| if (key && (key[0] == 'C' || key[0] == 'D')) |
| qd_compose_insert_string(body, &key[1]); |
| else |
| qd_compose_insert_null(body); |
| break; |
| |
| case QDR_CONFIG_LINK_ROUTE_DISTRIBUTION: |
| switch (lr->treatment) { |
| case QD_TREATMENT_LINK_BALANCED: text = "linkBalanced"; break; |
| default: |
| text = 0; |
| } |
| |
| if (text) |
| qd_compose_insert_string(body, text); |
| else |
| qd_compose_insert_null(body); |
| |
| break; |
| |
| case QDR_CONFIG_LINK_ROUTE_CONNECTION: |
| case QDR_CONFIG_LINK_ROUTE_CONTAINER_ID: |
| if (lr->conn_id) { |
| key = (const char*) qd_hash_key_by_handle(lr->conn_id->hash_handle); |
| if (key && key[0] == 'L' && col == QDR_CONFIG_LINK_ROUTE_CONNECTION) { |
| qd_compose_insert_string(body, &key[1]); |
| break; |
| } |
| if (key && key[0] == 'C' && col == QDR_CONFIG_LINK_ROUTE_CONTAINER_ID) { |
| qd_compose_insert_string(body, &key[1]); |
| break; |
| } |
| } |
| qd_compose_insert_null(body); |
| break; |
| |
| case QDR_CONFIG_LINK_ROUTE_DIR: |
| text = lr->dir == QD_INCOMING ? "in" : "out"; |
| qd_compose_insert_string(body, text); |
| break; |
| } |
| } |
| |
| |
| static void qdr_agent_write_config_link_route_CT(qdr_query_t *query, qdr_link_route_t *lr) |
| { |
| qd_composed_field_t *body = query->body; |
| |
| qd_compose_start_list(body); |
| int i = 0; |
| while (query->columns[i] >= 0) { |
| qdr_config_link_route_insert_column_CT(lr, query->columns[i], body, false); |
| i++; |
| } |
| qd_compose_end_list(body); |
| } |
| |
| |
| static void qdr_manage_advance_config_link_route_CT(qdr_query_t *query, qdr_link_route_t *lr) |
| { |
| query->next_offset++; |
| lr = DEQ_NEXT(lr); |
| query->more = !!lr; |
| } |
| |
| |
| void qdra_config_link_route_get_first_CT(qdr_core_t *core, qdr_query_t *query, int offset) |
| { |
| // |
| // Queries that get this far will always succeed. |
| // |
| query->status = QD_AMQP_OK; |
| |
| // |
| // If the offset goes beyond the set of objects, end the query now. |
| // |
| if (offset >= DEQ_SIZE(core->link_routes)) { |
| query->more = false; |
| qdr_agent_enqueue_response_CT(core, query); |
| return; |
| } |
| |
| // |
| // Run to the object at the offset. |
| // |
| qdr_link_route_t *lr = DEQ_HEAD(core->link_routes); |
| for (int i = 0; i < offset && lr; i++) |
| lr = DEQ_NEXT(lr); |
| assert(lr); |
| |
| // |
| // Write the columns of the object into the response body. |
| // |
| qdr_agent_write_config_link_route_CT(query, lr); |
| |
| // |
| // Advance to the next link_route |
| // |
| query->next_offset = offset; |
| qdr_manage_advance_config_link_route_CT(query, lr); |
| |
| // |
| // Enqueue the response. |
| // |
| qdr_agent_enqueue_response_CT(core, query); |
| } |
| |
| |
| void qdra_config_link_route_get_next_CT(qdr_core_t *core, qdr_query_t *query) |
| { |
| qdr_link_route_t *lr = 0; |
| |
| if (query->next_offset < DEQ_SIZE(core->link_routes)) { |
| lr = DEQ_HEAD(core->link_routes); |
| for (int i = 0; i < query->next_offset && lr; i++) |
| lr = DEQ_NEXT(lr); |
| } |
| |
| if (lr) { |
| // |
| // Write the columns of the addr entity into the response body. |
| // |
| qdr_agent_write_config_link_route_CT(query, lr); |
| |
| // |
| // Advance to the next object |
| // |
| qdr_manage_advance_config_link_route_CT(query, lr); |
| } else |
| query->more = false; |
| |
| // |
| // Enqueue the response. |
| // |
| qdr_agent_enqueue_response_CT(core, query); |
| } |
| |
| |
| static const char *qdra_link_route_treatment_CT(qd_parsed_field_t *field, qd_address_treatment_t *trt) |
| { |
| if (field) { |
| qd_field_iterator_t *iter = qd_parse_raw(field); |
| if (qd_field_iterator_equal(iter, (unsigned char*) "linkBalanced")) { |
| *trt = QD_TREATMENT_LINK_BALANCED; |
| return 0; |
| } |
| return "Invalid value for 'distribution'"; |
| } |
| |
| *trt = QD_TREATMENT_LINK_BALANCED; |
| return 0; |
| } |
| |
| |
| static const char *qdra_link_route_direction_CT(qd_parsed_field_t *field, qd_direction_t *dir) |
| { |
| if (field) { |
| qd_field_iterator_t *iter = qd_parse_raw(field); |
| if (qd_field_iterator_equal(iter, (unsigned char*) "in")) { |
| *dir = QD_INCOMING; |
| return 0; |
| } else if (qd_field_iterator_equal(iter, (unsigned char*) "out")) { |
| *dir = QD_OUTGOING; |
| return 0; |
| } |
| return "Invalid value for 'dir'"; |
| } |
| return "Missing value for 'dir'"; |
| } |
| |
| |
| static qdr_link_route_t *qdr_link_route_config_find_by_identity_CT(qdr_core_t *core, qd_field_iterator_t *identity) |
| { |
| if (!identity) |
| return 0; |
| |
| qdr_link_route_t *rc = DEQ_HEAD(core->link_routes); |
| while (rc) { |
| // Convert the passed in identity to a char* |
| char id[100]; |
| snprintf(id, 100, "%ld", rc->identity); |
| if (qd_field_iterator_equal(identity, (const unsigned char*) id)) |
| break; |
| rc = DEQ_NEXT(rc); |
| } |
| |
| return rc; |
| |
| } |
| |
| |
| static qdr_link_route_t *qdr_link_route_config_find_by_name_CT(qdr_core_t *core, qd_field_iterator_t *name) |
| { |
| if (!name) |
| return 0; |
| |
| qdr_link_route_t *rc = DEQ_HEAD(core->link_routes); |
| while (rc) { // Sometimes the name can be null |
| if (rc->name && qd_field_iterator_equal(name, (const unsigned char*) rc->name)) |
| break; |
| rc = DEQ_NEXT(rc); |
| } |
| |
| return rc; |
| } |
| |
| |
| void qdra_config_link_route_delete_CT(qdr_core_t *core, |
| qdr_query_t *query, |
| qd_field_iterator_t *name, |
| qd_field_iterator_t *identity) |
| { |
| qdr_link_route_t *lr = 0; |
| |
| if (!name && !identity) |
| query->status = QD_AMQP_BAD_REQUEST; |
| else { |
| if (identity) |
| lr = qdr_link_route_config_find_by_identity_CT(core, identity); |
| else if (name) |
| lr = qdr_link_route_config_find_by_name_CT(core, name); |
| |
| if (lr) { |
| qdr_route_del_link_route_CT(core, lr); |
| query->status = QD_AMQP_NO_CONTENT; |
| } else |
| query->status = QD_AMQP_NOT_FOUND; |
| } |
| |
| // |
| // Enqueue the response. |
| // |
| qdr_agent_enqueue_response_CT(core, query); |
| } |
| |
| void qdra_config_link_route_create_CT(qdr_core_t *core, |
| qd_field_iterator_t *name, |
| qdr_query_t *query, |
| qd_parsed_field_t *in_body) |
| { |
| while (true) { |
| // |
| // Ensure there isn't a duplicate name and that the body is a map |
| // |
| qdr_link_route_t *lr = DEQ_HEAD(core->link_routes); |
| while (lr) { |
| if (name && lr->name && qd_field_iterator_equal(name, (const unsigned char*) lr->name)) |
| break; |
| lr = DEQ_NEXT(lr); |
| } |
| |
| if (!!lr) { |
| query->status = QD_AMQP_BAD_REQUEST; |
| query->status.description = "Name conflicts with an existing entity"; |
| break; |
| } |
| |
| if (!qd_parse_is_map(in_body)) { |
| query->status = QD_AMQP_BAD_REQUEST; |
| break; |
| } |
| |
| // |
| // Extract the fields from the request |
| // |
| qd_parsed_field_t *prefix_field = qd_parse_value_by_key(in_body, qdr_config_link_route_columns[QDR_CONFIG_LINK_ROUTE_PREFIX]); |
| qd_parsed_field_t *distrib_field = qd_parse_value_by_key(in_body, qdr_config_link_route_columns[QDR_CONFIG_LINK_ROUTE_DISTRIBUTION]); |
| qd_parsed_field_t *connection_field = qd_parse_value_by_key(in_body, qdr_config_link_route_columns[QDR_CONFIG_LINK_ROUTE_CONNECTION]); |
| qd_parsed_field_t *container_field = qd_parse_value_by_key(in_body, qdr_config_link_route_columns[QDR_CONFIG_LINK_ROUTE_CONTAINER_ID]); |
| qd_parsed_field_t *dir_field = qd_parse_value_by_key(in_body, qdr_config_link_route_columns[QDR_CONFIG_LINK_ROUTE_DIR]); |
| |
| // |
| // Prefix and dir fields are mandatory. Fail if they're not both here. |
| // |
| if (!prefix_field || !dir_field) { |
| query->status = QD_AMQP_BAD_REQUEST; |
| break; |
| } |
| |
| qd_direction_t dir; |
| const char *error = qdra_link_route_direction_CT(dir_field, &dir); |
| if (error) { |
| query->status = QD_AMQP_BAD_REQUEST; |
| query->status.description = error; |
| break; |
| } |
| |
| qd_address_treatment_t trt; |
| error = qdra_link_route_treatment_CT(distrib_field, &trt); |
| if (error) { |
| query->status = QD_AMQP_BAD_REQUEST; |
| query->status.description = error; |
| break; |
| } |
| |
| // |
| // The request is good. Create the entity. |
| // |
| bool is_container = !!container_field; |
| qd_parsed_field_t *in_use_conn = is_container ? container_field : connection_field; |
| |
| lr = qdr_route_add_link_route_CT(core, name, prefix_field, in_use_conn, is_container, trt, dir); |
| |
| // |
| // Compose the result map for the response. |
| // |
| if (query->body) { |
| qd_compose_start_map(query->body); |
| for (int col = 0; col < QDR_CONFIG_LINK_ROUTE_COLUMN_COUNT; col++) |
| qdr_config_link_route_insert_column_CT(lr, col, query->body, true); |
| qd_compose_end_map(query->body); |
| } |
| |
| query->status = QD_AMQP_CREATED; |
| break; |
| } |
| |
| // |
| // Enqueue the response if there is a body. If there is no body, this is a management |
| // operation created internally by the configuration file parser. |
| // |
| if (query->body) { |
| // |
| // If there was an error in processing the create, insert a NULL value into the body. |
| // |
| if (query->status.status / 100 > 2) |
| qd_compose_insert_null(query->body); |
| qdr_agent_enqueue_response_CT(core, query); |
| } else { |
| if (query->status.status / 100 > 2) |
| qd_log(core->log, QD_LOG_ERROR, "Error configuring linkRoute: %s", query->status.description); |
| qdr_query_free(query); |
| } |
| } |
