mirror of https://github.com/yandex/odyssey.git
804 lines
22 KiB
C
804 lines
22 KiB
C
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/*
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* Odissey.
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*
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* Advanced PostgreSQL connection pooler.
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*/
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include <ctype.h>
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#include <signal.h>
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#include <machinarium.h>
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#include <shapito.h>
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#include "sources/macro.h"
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#include "sources/version.h"
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#include "sources/atomic.h"
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#include "sources/list.h"
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#include "sources/pid.h"
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#include "sources/id.h"
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#include "sources/log_file.h"
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#include "sources/log_system.h"
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#include "sources/logger.h"
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#include "sources/daemon.h"
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#include "sources/scheme.h"
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#include "sources/scheme_mgr.h"
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#include "sources/config.h"
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#include "sources/msg.h"
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#include "sources/system.h"
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#include "sources/instance.h"
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#include "sources/server.h"
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#include "sources/server_pool.h"
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#include "sources/client.h"
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#include "sources/client_pool.h"
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#include "sources/route_id.h"
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#include "sources/route.h"
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#include "sources/route_pool.h"
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#include "sources/io.h"
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#include "sources/router.h"
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#include "sources/pooler.h"
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#include "sources/relay.h"
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#include "sources/frontend.h"
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#include "sources/backend.h"
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#include "sources/console.h"
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#include "sources/parser.h"
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typedef struct
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{
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od_consolestatus_t status;
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od_client_t *client;
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char *request;
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int request_len;
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machine_queue_t *response;
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} od_msgconsole_t;
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enum
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{
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OD_LSHOW,
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OD_LSTATS,
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OD_LSERVERS,
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OD_LCLIENTS,
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OD_LLISTS,
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OD_LSET
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};
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static od_keyword_t od_console_keywords[] =
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{
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od_keyword("show", OD_LSHOW),
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od_keyword("stats", OD_LSTATS),
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od_keyword("servers", OD_LSERVERS),
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od_keyword("clients", OD_LCLIENTS),
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od_keyword("lists", OD_LLISTS),
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od_keyword("set", OD_LSET),
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{ 0, 0, 0 }
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};
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static inline int
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od_console_show_stats_add(shapito_stream_t *stream,
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char *database,
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int database_len,
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od_serverstat_t *total,
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od_serverstat_t *avg)
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{
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int offset;
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offset = shapito_be_write_data_row(stream);
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int rc;
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rc = shapito_be_write_data_row_add(stream, offset, database, database_len);
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if (rc == -1)
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return -1;
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char data[64];
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int data_len;
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/* total_requests */
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data_len = snprintf(data, sizeof(data), "%" PRIu64, total->count_request);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* total_received */
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data_len = snprintf(data, sizeof(data), "%" PRIu64, total->recv_client);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* total_sent */
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data_len = snprintf(data, sizeof(data), "%" PRIu64, total->recv_server);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* total_query_time */
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data_len = snprintf(data, sizeof(data), "%" PRIu64, total->query_time);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* avg_req */
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data_len = snprintf(data, sizeof(data), "%" PRIu64, avg->count_request);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* avg_recv */
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data_len = snprintf(data, sizeof(data), "%" PRIu64, avg->recv_client);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* avg_sent */
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data_len = snprintf(data, sizeof(data), "%" PRIu64, avg->recv_server);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* avg_query */
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data_len = snprintf(data, sizeof(data), "%" PRIu64, avg->query_time);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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return 0;
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}
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static int
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od_console_show_stats_callback(char *database,
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int database_len,
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od_serverstat_t *total,
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od_serverstat_t *avg, void *arg)
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{
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od_client_t *client = arg;
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return od_console_show_stats_add(&client->stream,
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database, database_len,
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total, avg);
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}
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static inline int
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od_console_show_stats(od_client_t *client)
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{
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od_router_t *router = client->system->router;
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shapito_stream_t *stream = &client->stream;
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shapito_stream_reset(stream);
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int rc;
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rc = shapito_be_write_row_descriptionf(stream, "sllllllll",
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"database",
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"total_requests",
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"total_received",
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"total_sent",
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"total_query_time",
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"avg_req",
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"avg_recv",
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"avg_sent",
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"avg_query");
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if (rc == -1)
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return -1;
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rc = od_routepool_stats(&router->route_pool,
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od_console_show_stats_callback,
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client);
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if (rc == -1)
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return -1;
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rc = shapito_be_write_complete(stream, "SHOW", 5);
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if (rc == -1)
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return -1;
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rc = shapito_be_write_ready(stream, 'I');
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if (rc == -1)
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return -1;
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return 0;
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}
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static inline int
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od_console_show_servers_callback(od_server_t *server, void *arg)
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{
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shapito_stream_t *stream = arg;
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od_route_t *route = server->route;
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int offset;
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offset = shapito_be_write_data_row(stream);
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char data[64];
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int data_len;
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/* type */
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data_len = snprintf(data, sizeof(data), "S");
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int rc;
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* user */
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rc = shapito_be_write_data_row_add(stream, offset,
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route->id.user,
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route->id.user_len - 1);
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if (rc == -1)
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return -1;
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/* database */
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rc = shapito_be_write_data_row_add(stream, offset,
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route->id.database,
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route->id.database_len - 1);
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if (rc == -1)
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return -1;
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/* state */
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char *state = "";
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if (server->state == OD_SIDLE)
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state = "idle";
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else
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if (server->state == OD_SACTIVE)
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state = "active";
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rc = shapito_be_write_data_row_add(stream, offset,
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state,
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strlen(state));
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if (rc == -1)
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return -1;
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/* addr */
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od_getpeername(server->io, data, sizeof(data), 1, 0);
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data_len = strlen(data);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* port */
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od_getpeername(server->io, data, sizeof(data), 0, 1);
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data_len = strlen(data);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* local_addr */
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od_getsockname(server->io, data, sizeof(data), 1, 0);
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data_len = strlen(data);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* local_port */
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od_getsockname(server->io, data, sizeof(data), 0, 1);
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data_len = strlen(data);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* connect_time */
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rc = shapito_be_write_data_row_add(stream, offset, NULL, -1);
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if (rc == -1)
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return -1;
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/* request_time */
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rc = shapito_be_write_data_row_add(stream, offset, NULL, -1);
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if (rc == -1)
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return -1;
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/* ptr */
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data_len = snprintf(data, sizeof(data), "%s%.*s",
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server->id.id_prefix,
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(signed)sizeof(server->id.id), server->id.id);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* link */
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data_len = snprintf(data, sizeof(data), "%s", "");
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* remote_pid */
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data_len = snprintf(data, sizeof(data), "0");
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* tls */
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data_len = snprintf(data, sizeof(data), "%s", "");
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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return 0;
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}
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static inline int
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od_console_show_servers(od_client_t *client)
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{
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od_router_t *router = client->system->router;
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shapito_stream_t *stream = &client->stream;
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shapito_stream_reset(stream);
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int rc;
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rc = shapito_be_write_row_descriptionf(stream, "sssssdsdssssds",
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"type",
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"user",
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"database",
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"state",
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"addr",
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"port",
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"local_addr",
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"local_port",
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"connect_time",
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"request_time",
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"ptr",
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"link",
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"remote_pid",
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"tls");
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if (rc == -1)
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return -1;
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od_routepool_server_foreach(&router->route_pool, OD_SIDLE,
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od_console_show_servers_callback,
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stream);
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od_routepool_server_foreach(&router->route_pool, OD_SACTIVE,
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od_console_show_servers_callback,
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stream);
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rc = shapito_be_write_complete(stream, "SHOW", 5);
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if (rc == -1)
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return -1;
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rc = shapito_be_write_ready(stream, 'I');
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if (rc == -1)
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return -1;
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return 0;
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}
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static inline int
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od_console_show_clients_callback(od_client_t *client, void *arg)
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{
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shapito_stream_t *stream = arg;
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(void)client;
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(void)stream;
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(void)arg;
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int offset;
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offset = shapito_be_write_data_row(stream);
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char data[64];
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int data_len;
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/* type */
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data_len = snprintf(data, sizeof(data), "C");
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int rc;
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* user */
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rc = shapito_be_write_data_row_add(stream, offset,
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shapito_parameter_value(client->startup.user),
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client->startup.user->value_len - 1);
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if (rc == -1)
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return -1;
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/* database */
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rc = shapito_be_write_data_row_add(stream, offset,
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shapito_parameter_value(client->startup.database),
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client->startup.database->value_len - 1);
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if (rc == -1)
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return -1;
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/* state */
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char *state = "";
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if (client->state == OD_CACTIVE)
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state = "active";
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else
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if (client->state == OD_CPENDING)
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state = "pending";
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else
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if (client->state == OD_CQUEUE)
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state = "queue";
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rc = shapito_be_write_data_row_add(stream, offset,
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state,
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strlen(state));
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if (rc == -1)
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return -1;
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/* addr */
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od_getpeername(client->io, data, sizeof(data), 1, 0);
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data_len = strlen(data);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* port */
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od_getpeername(client->io, data, sizeof(data), 0, 1);
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data_len = strlen(data);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* local_addr */
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od_getsockname(client->io, data, sizeof(data), 1, 0);
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data_len = strlen(data);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* local_port */
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od_getsockname(client->io, data, sizeof(data), 0, 1);
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data_len = strlen(data);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* connect_time */
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rc = shapito_be_write_data_row_add(stream, offset, NULL, -1);
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if (rc == -1)
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return -1;
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/* request_time */
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rc = shapito_be_write_data_row_add(stream, offset, NULL, -1);
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if (rc == -1)
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return -1;
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/* ptr */
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data_len = snprintf(data, sizeof(data), "%s%.*s",
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client->id.id_prefix,
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(signed)sizeof(client->id.id), client->id.id);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* link */
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data_len = snprintf(data, sizeof(data), "%s", "");
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* remote_pid */
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data_len = snprintf(data, sizeof(data), "0");
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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/* tls */
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data_len = snprintf(data, sizeof(data), "%s", "");
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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return 0;
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}
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static inline int
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od_console_show_clients(od_client_t *client)
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{
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od_router_t *router = client->system->router;
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shapito_stream_t *stream = &client->stream;
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shapito_stream_reset(stream);
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int rc;
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rc = shapito_be_write_row_descriptionf(stream, "sssssdsdssssds",
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"type",
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"user",
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"database",
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"state",
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"addr",
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"port",
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"local_addr",
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"local_port",
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"connect_time",
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"request_time",
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"ptr",
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"link",
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"remote_pid",
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"tls");
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if (rc == -1)
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return -1;
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od_routepool_client_foreach(&router->route_pool, OD_CACTIVE,
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od_console_show_clients_callback,
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stream);
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od_routepool_client_foreach(&router->route_pool, OD_CPENDING,
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od_console_show_clients_callback,
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stream);
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od_routepool_client_foreach(&router->route_pool, OD_CQUEUE,
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od_console_show_clients_callback,
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stream);
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rc = shapito_be_write_complete(stream, "SHOW", 5);
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if (rc == -1)
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return -1;
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rc = shapito_be_write_ready(stream, 'I');
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if (rc == -1)
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return -1;
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return 0;
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}
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static inline int
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od_console_show_lists_add(shapito_stream_t *stream, char *list, int items)
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{
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int offset;
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offset = shapito_be_write_data_row(stream);
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/* list */
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int rc;
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rc = shapito_be_write_data_row_add(stream, offset, list, strlen(list));
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if (rc == -1)
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return -1;
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/* items */
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char data[64];
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int data_len;
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data_len = snprintf(data, sizeof(data), "%d", items);
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rc = shapito_be_write_data_row_add(stream, offset, data, data_len);
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if (rc == -1)
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return -1;
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return 0;
|
|
}
|
|
|
|
static inline int
|
|
od_console_show_lists_callback(od_server_t *server, void *arg)
|
|
{
|
|
(void)server;
|
|
int *used_servers = arg;
|
|
(*used_servers)++;
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
od_console_show_lists(od_client_t *client)
|
|
{
|
|
od_router_t *router = client->system->router;
|
|
shapito_stream_t *stream = &client->stream;
|
|
shapito_stream_reset(stream);
|
|
|
|
int used_servers = 0;
|
|
od_routepool_server_foreach(&router->route_pool, OD_SIDLE,
|
|
od_console_show_lists_callback,
|
|
&used_servers);
|
|
od_routepool_server_foreach(&router->route_pool, OD_SACTIVE,
|
|
od_console_show_lists_callback,
|
|
&used_servers);
|
|
|
|
int rc;
|
|
rc = shapito_be_write_row_descriptionf(stream, "sd",
|
|
"list",
|
|
"items");
|
|
if (rc == -1)
|
|
return -1;
|
|
/* databases */
|
|
rc = od_console_show_lists_add(stream, "databases", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* users */
|
|
rc = od_console_show_lists_add(stream, "users", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* pools */
|
|
rc = od_console_show_lists_add(stream, "pools", router->route_pool.count);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* free_clients */
|
|
rc = od_console_show_lists_add(stream, "free_clients", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* used_clients */
|
|
rc = od_console_show_lists_add(stream, "used_clients", router->clients);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* login_clients */
|
|
rc = od_console_show_lists_add(stream, "login_clients", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* free_servers */
|
|
rc = od_console_show_lists_add(stream, "free_servers", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* used_servers */
|
|
rc = od_console_show_lists_add(stream, "used_servers", used_servers);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* dns_names */
|
|
rc = od_console_show_lists_add(stream, "dns_names", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* dns_zones */
|
|
rc = od_console_show_lists_add(stream, "dns_zones", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* dns_queries */
|
|
rc = od_console_show_lists_add(stream, "dns_queries", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
/* dns_pending */
|
|
rc = od_console_show_lists_add(stream, "dns_pending", 0);
|
|
if (rc == -1)
|
|
return -1;
|
|
rc = shapito_be_write_complete(stream, "SHOW", 5);
|
|
if (rc == -1)
|
|
return -1;
|
|
rc = shapito_be_write_ready(stream, 'I');
|
|
if (rc == -1)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
od_console_query_show(od_client_t *client, od_parser_t *parser)
|
|
{
|
|
od_token_t token;
|
|
int rc;
|
|
rc = od_parser_next(parser, &token);
|
|
switch (rc) {
|
|
case OD_PARSER_KEYWORD:
|
|
break;
|
|
case OD_PARSER_EOF:
|
|
default:
|
|
return -1;
|
|
}
|
|
od_keyword_t *keyword;
|
|
keyword = od_keyword_match(od_console_keywords, &token);
|
|
if (keyword == NULL)
|
|
return -1;
|
|
switch (keyword->id) {
|
|
case OD_LSTATS:
|
|
return od_console_show_stats(client);
|
|
case OD_LSERVERS:
|
|
return od_console_show_servers(client);
|
|
case OD_LCLIENTS:
|
|
return od_console_show_clients(client);
|
|
case OD_LLISTS:
|
|
return od_console_show_lists(client);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static inline int
|
|
od_console_query_set(od_client_t *client, od_parser_t *parser)
|
|
{
|
|
shapito_stream_t *stream = &client->stream;
|
|
shapito_stream_reset(stream);
|
|
(void)parser;
|
|
int rc;
|
|
rc = shapito_be_write_complete(stream, "SET", 4);
|
|
if (rc == -1)
|
|
return -1;
|
|
rc = shapito_be_write_ready(stream, 'I');
|
|
if (rc == -1)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
od_console_query(od_console_t *console, od_msgconsole_t *msg_console)
|
|
{
|
|
od_instance_t *instance = console->system->instance;
|
|
od_client_t *client = msg_console->client;
|
|
int rc;
|
|
|
|
uint32_t query_len;
|
|
char *query;
|
|
rc = shapito_be_read_query(&query, &query_len, msg_console->request,
|
|
msg_console->request_len);
|
|
if (rc == -1)
|
|
goto bad_command;
|
|
|
|
od_debug_client(&instance->logger, &client->id, "console",
|
|
"%.*s", query_len, query);
|
|
|
|
od_parser_t parser;
|
|
od_parser_init(&parser, query, query_len);
|
|
|
|
od_token_t token;
|
|
rc = od_parser_next(&parser, &token);
|
|
switch (rc) {
|
|
case OD_PARSER_KEYWORD:
|
|
break;
|
|
case OD_PARSER_EOF:
|
|
default:
|
|
goto bad_command;
|
|
}
|
|
od_keyword_t *keyword;
|
|
keyword = od_keyword_match(od_console_keywords, &token);
|
|
if (keyword == NULL)
|
|
goto bad_command;
|
|
switch (keyword->id) {
|
|
case OD_LSHOW:
|
|
rc = od_console_query_show(client, &parser);
|
|
if (rc == -1)
|
|
goto bad_command;
|
|
break;
|
|
case OD_LSET:
|
|
rc = od_console_query_set(client, &parser);
|
|
if (rc == -1)
|
|
goto bad_command;
|
|
break;
|
|
default:
|
|
goto bad_command;
|
|
}
|
|
|
|
return 0;
|
|
|
|
bad_command:
|
|
od_error_client(&instance->logger, &client->id, "console",
|
|
"bad console command");
|
|
shapito_stream_reset(&client->stream);
|
|
od_frontend_errorf(client, SHAPITO_SYNTAX_ERROR, "bad console command");
|
|
shapito_be_write_ready(&client->stream, 'I');
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
od_console(void *arg)
|
|
{
|
|
od_console_t *console = arg;
|
|
od_instance_t *instance = console->system->instance;
|
|
(void)instance;
|
|
|
|
for (;;) {
|
|
machine_msg_t *msg;
|
|
msg = machine_queue_get(console->queue, UINT32_MAX);
|
|
if (msg == NULL)
|
|
break;
|
|
od_msg_t msg_type;
|
|
msg_type = machine_msg_get_type(msg);
|
|
switch (msg_type) {
|
|
case OD_MCONSOLE_REQUEST:
|
|
{
|
|
od_msgconsole_t *msg_console;
|
|
msg_console = machine_msg_get_data(msg);
|
|
int rc;
|
|
rc = od_console_query(console, msg_console);
|
|
if (rc == -1) {
|
|
msg_console->status = OD_CERROR;
|
|
} else {
|
|
msg_console->status = OD_COK;
|
|
}
|
|
machine_queue_put(msg_console->response, msg);
|
|
break;
|
|
}
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int od_console_init(od_console_t *console, od_system_t *system)
|
|
{
|
|
od_instance_t *instance = system->instance;
|
|
console->system = system;
|
|
console->queue = machine_queue_create();
|
|
if (console->queue == NULL) {
|
|
od_error(&instance->logger, "console", "failed to create queue");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int od_console_start(od_console_t *console)
|
|
{
|
|
od_instance_t *instance = console->system->instance;
|
|
int64_t coroutine_id;
|
|
coroutine_id = machine_coroutine_create(od_console, console);
|
|
if (coroutine_id == -1) {
|
|
od_error(&instance->logger, "console", "failed to start console coroutine");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static od_consolestatus_t
|
|
od_console_do(od_client_t *client, od_msg_t msg_type, char *request, int request_len,
|
|
int wait_for_response)
|
|
{
|
|
od_console_t *console = client->system->console;
|
|
|
|
/* send request to console */
|
|
machine_msg_t *msg;
|
|
msg = machine_msg_create(msg_type, sizeof(od_msgconsole_t));
|
|
if (msg == NULL)
|
|
return OD_CERROR;
|
|
od_msgconsole_t *msg_console;
|
|
msg_console = machine_msg_get_data(msg);
|
|
msg_console->status = OD_CERROR;
|
|
msg_console->client = client;
|
|
msg_console->request = request;
|
|
msg_console->request_len = request_len;
|
|
msg_console->response = NULL;
|
|
|
|
/* create response queue */
|
|
machine_queue_t *response;
|
|
if (wait_for_response) {
|
|
response = machine_queue_create();
|
|
if (response == NULL) {
|
|
machine_msg_free(msg);
|
|
return OD_CERROR;
|
|
}
|
|
msg_console->response = response;
|
|
}
|
|
machine_queue_put(console->queue, msg);
|
|
|
|
if (! wait_for_response)
|
|
return OD_COK;
|
|
|
|
/* wait for reply */
|
|
msg = machine_queue_get(response, UINT32_MAX);
|
|
if (msg == NULL) {
|
|
/* todo: */
|
|
abort();
|
|
machine_queue_free(response);
|
|
return OD_CERROR;
|
|
}
|
|
msg_console = machine_msg_get_data(msg);
|
|
od_consolestatus_t status;
|
|
status = msg_console->status;
|
|
machine_queue_free(response);
|
|
machine_msg_free(msg);
|
|
return status;
|
|
}
|
|
|
|
od_consolestatus_t
|
|
od_console_request(od_client_t *client, char *request, int request_len)
|
|
{
|
|
return od_console_do(client, OD_MCONSOLE_REQUEST, request, request_len, 1);
|
|
}
|