/*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009-2017 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <config.h>
-#include <assert.h>
+#include <ctype.h>
#include <errno.h>
+#include <fcntl.h>
#include <getopt.h>
#include <limits.h>
#include <signal.h>
#include "column.h"
#include "compiler.h"
#include "daemon.h"
-#include "dynamic-string.h"
-#include "json.h"
+#include "dirs.h"
+#include "openvswitch/dynamic-string.h"
+#include "fatal-signal.h"
+#include "file.h"
+#include "openvswitch/json.h"
#include "jsonrpc.h"
+#include "lib/table.h"
+#include "log.h"
#include "ovsdb.h"
#include "ovsdb-data.h"
#include "ovsdb-error.h"
+#include "ovsdb-session.h"
+#include "openvswitch/poll-loop.h"
+#include "row.h"
#include "sort.h"
+#include "svec.h"
+#include "storage.h"
#include "stream.h"
#include "stream-ssl.h"
#include "table.h"
+#include "transaction.h"
+#include "monitor.h"
+#include "condition.h"
#include "timeval.h"
+#include "unixctl.h"
#include "util.h"
+#include "openvswitch/vlog.h"
-#include "vlog.h"
-#define THIS_MODULE VLM_ovsdb_client
+VLOG_DEFINE_THIS_MODULE(ovsdb_client);
-/* --format: Output formatting. */
-static enum {
- FMT_TABLE, /* Textual table. */
- FMT_HTML, /* HTML table. */
- FMT_CSV /* Comma-separated lines. */
-} output_format;
+enum args_needed {
+ NEED_NONE, /* No JSON-RPC connection or database name needed. */
+ NEED_RPC, /* JSON-RPC connection needed. */
+ NEED_DATABASE /* JSON-RPC connection and database name needed. */
+};
+
+struct ovsdb_client_command {
+ const char *name;
+ enum args_needed need;
+ int min_args;
+ int max_args;
+ void (*handler)(struct jsonrpc *rpc, const char *database,
+ int argc, char *argv[]);
+};
+
+/* --timestamp: Print a timestamp before each update on "monitor" command? */
+static bool timestamp;
+
+/* --db-change-aware, --no-db-change-aware: Enable db_change_aware feature for
+ * "monitor" command?
+ *
+ * -1 (default): Use db_change_aware if available.
+ * 0: Disable db_change_aware.
+ * 1: Require db_change_aware.
+ *
+ * (This option is undocumented because anything other than the default is
+ * expected to be useful only for testing that the db_change_aware feature
+ * actually works.) */
+static int db_change_aware = -1;
+
+/* --force: Ignore schema differences for "restore" command? */
+static bool force;
-/* --no-headings: Whether table output should include headings. */
-static int output_headings = true;
+/* --leader-only, --no-leader-only: Only accept the leader in a cluster. */
+static bool leader_only = true;
-/* --pretty: Flags to pass to json_to_string(). */
-static int json_flags = JSSF_SORT;
+/* Format for table output. */
+static struct table_style table_style = TABLE_STYLE_DEFAULT;
-/* --data: Format of data in output tables. */
-static enum {
- DF_STRING, /* String format. */
- DF_JSON, /* JSON. */
-} data_format;
+static const struct ovsdb_client_command *get_all_commands(void);
-static const struct command all_commands[];
+static struct json *parse_json(const char *);
-static void usage(void) NO_RETURN;
+OVS_NO_RETURN static void usage(void);
static void parse_options(int argc, char *argv[]);
+static struct jsonrpc *open_jsonrpc(const char *server);
+static void fetch_dbs(struct jsonrpc *, struct svec *dbs);
+static bool should_stay_connected(const char *server, const char *database,
+ const struct uuid *cid,
+ const struct jsonrpc_msg *reply);
+struct jsonrpc_msg *create_database_info_request(const char *database);
+
+static char *
+default_remote(void)
+{
+ return xasprintf("unix:%s/db.sock", ovs_rundir());
+}
+
+static int
+open_rpc(int min_args, enum args_needed need,
+ int argc, char *argv[], struct jsonrpc **rpcp, char **databasep)
+{
+ struct svec remotes = SVEC_EMPTY_INITIALIZER;
+ struct uuid cid = UUID_ZERO;
+
+ /* First figure out the remote(s). If the first command-line argument has
+ * the form of a remote, use it, otherwise use the default. */
+ int argidx = 0;
+ if (argc > min_args && (isalpha((unsigned char) argv[0][0])
+ && strchr(argv[0], ':'))) {
+ ovsdb_session_parse_remote(argv[argidx++], &remotes, &cid);
+ } else {
+ svec_add_nocopy(&remotes, default_remote());
+ }
+
+ /* Handle the case where there's one remote. In this case, if we need a
+ * database name, we try to figure out a default if none was specified
+ * explicitly. */
+ char *database = *databasep;
+ if (remotes.n == 1) {
+ struct jsonrpc *rpc = open_jsonrpc(remotes.names[0]);
+ svec_destroy(&remotes);
+
+ if (need == NEED_DATABASE && !database) {
+ struct svec dbs;
+
+ svec_init(&dbs);
+ fetch_dbs(rpc, &dbs);
+ if (argc - argidx > min_args
+ && svec_contains(&dbs, argv[argidx])) {
+ database = xstrdup(argv[argidx++]);
+ } else if (svec_contains(&dbs, "Open_vSwitch")) {
+ database = xstrdup("Open_vSwitch");
+ } else {
+ size_t n = 0;
+ const char *best = NULL;
+ for (size_t i = 0; i < dbs.n; i++) {
+ if (dbs.names[i][0] != '_') {
+ best = dbs.names[i];
+ n++;
+ }
+ }
+ if (n != 1) {
+ jsonrpc_close(rpc);
+ ovs_fatal(0, "could not find a default database, "
+ "please specify a database name");
+ }
+ database = xstrdup(best);
+ }
+ svec_destroy(&dbs);
+ }
+ *rpcp = rpc;
+ *databasep = database;
+
+ return argidx;
+ }
+
+ /* If there's more than one remote, and we need a database name, then it
+ * must be specified explicitly. It's too likely to cause surprising
+ * behavior if we try to pick a default across several servers. */
+ if (!database && need == NEED_DATABASE) {
+ if (argc - argidx > min_args) {
+ database = xstrdup(argv[argidx++]);
+ } else {
+ ovs_fatal(0, "database name is required with multiple remotes");
+ }
+ }
+
+ /* We have multiple remotes. Connect to them in a random order and choose
+ * the first one that is up and hosts the database we want (if any) in an
+ * acceptable state. */
+ struct jsonrpc_session *js = jsonrpc_session_open_multiple(
+ &remotes, false);
+ svec_destroy(&remotes);
+
+ unsigned int seqno = 0;
+ struct json *id = NULL;
+ for (;;) {
+ jsonrpc_session_run(js);
+ if (!jsonrpc_session_is_alive(js)) {
+ ovs_fatal(0, "no servers were available");
+ }
+
+ if (seqno != jsonrpc_session_get_seqno(js)
+ && jsonrpc_session_is_connected(js)) {
+ if (!database) {
+ break;
+ }
+
+ seqno = jsonrpc_session_get_seqno(js);
+ struct jsonrpc_msg *txn = create_database_info_request(database);
+ json_destroy(id);
+ id = json_clone(txn->id);
+ jsonrpc_session_send(js, txn);
+ }
+
+ struct jsonrpc_msg *reply = jsonrpc_session_recv(js);
+ if (reply && id && reply->id && json_equal(id, reply->id)) {
+ if (reply->type == JSONRPC_REPLY
+ && should_stay_connected(jsonrpc_session_get_name(js),
+ database, &cid, reply)) {
+ jsonrpc_msg_destroy(reply);
+ break;
+ }
+ jsonrpc_session_force_reconnect(js);
+ }
+ jsonrpc_msg_destroy(reply);
+
+ jsonrpc_session_recv_wait(js);
+ jsonrpc_session_wait(js);
+ poll_block();
+ }
+ json_destroy(id);
+
+ *rpcp = jsonrpc_session_steal(js);
+ *databasep = database;
+ return argidx;
+}
int
main(int argc, char *argv[])
{
- proctitle_init(argc, argv);
+ const struct ovsdb_client_command *command;
+ ovs_cmdl_proctitle_init(argc, argv);
set_program_name(argv[0]);
- time_init();
- vlog_init();
+ service_start(&argc, &argv);
parse_options(argc, argv);
- signal(SIGPIPE, SIG_IGN);
- run_command(argc - optind, argv + optind, all_commands);
+ fatal_ignore_sigpipe();
+
+ daemon_become_new_user(false);
+ if (optind >= argc) {
+ ovs_fatal(0, "missing command name; use --help for help");
+ }
+
+ for (command = get_all_commands(); ; command++) {
+ if (!command->name) {
+ VLOG_FATAL("unknown command '%s'; use --help for help",
+ argv[optind]);
+ } else if (!strcmp(command->name, argv[optind])) {
+ break;
+ }
+ }
+ optind++;
+
+ char *database = NULL;
+ struct jsonrpc *rpc = NULL;
+ if (command->need != NEED_NONE) {
+ optind += open_rpc(command->min_args, command->need,
+ argc - optind, argv + optind, &rpc, &database);
+ }
+
+
+ if (argc - optind < command->min_args ||
+ argc - optind > command->max_args) {
+ free(database);
+ VLOG_FATAL("invalid syntax for '%s' (use --help for help)",
+ command->name);
+ }
+
+ command->handler(rpc, database, argc - optind, argv + optind);
+
+ free(database);
+ jsonrpc_close(rpc);
+
+ if (ferror(stdout)) {
+ VLOG_FATAL("write to stdout failed");
+ }
+ if (ferror(stderr)) {
+ VLOG_FATAL("write to stderr failed");
+ }
+
return 0;
}
parse_options(int argc, char *argv[])
{
enum {
- OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1
+ OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1,
+ OPT_TIMESTAMP,
+ OPT_FORCE,
+ OPT_LEADER_ONLY,
+ OPT_NO_LEADER_ONLY,
+ VLOG_OPTION_ENUMS,
+ DAEMON_OPTION_ENUMS,
+ TABLE_OPTION_ENUMS,
+ SSL_OPTION_ENUMS,
};
- static struct option long_options[] = {
- {"format", required_argument, 0, 'f'},
- {"data", required_argument, 0, 'd'},
- {"no-headings", no_argument, &output_headings, 0},
- {"pretty", no_argument, &json_flags, JSSF_PRETTY | JSSF_SORT},
- {"verbose", optional_argument, 0, 'v'},
- {"help", no_argument, 0, 'h'},
- {"version", no_argument, 0, 'V'},
+ static const struct option long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'V'},
+ {"timestamp", no_argument, NULL, OPT_TIMESTAMP},
+ {"force", no_argument, NULL, OPT_FORCE},
+ {"timeout", required_argument, NULL, 't'},
+ {"db-change-aware", no_argument, &db_change_aware, 1},
+ {"no-db-change-aware", no_argument, &db_change_aware, 0},
+ {"leader-only", no_argument, NULL, OPT_LEADER_ONLY},
+ {"no-leader-only", no_argument, NULL, OPT_NO_LEADER_ONLY},
+ VLOG_LONG_OPTIONS,
DAEMON_LONG_OPTIONS,
#ifdef HAVE_OPENSSL
- {"bootstrap-ca-cert", required_argument, 0, OPT_BOOTSTRAP_CA_CERT},
- STREAM_SSL_LONG_OPTIONS
+ {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT},
+ STREAM_SSL_LONG_OPTIONS,
#endif
- {0, 0, 0, 0},
+ TABLE_LONG_OPTIONS,
+ {NULL, 0, NULL, 0},
};
- char *short_options = long_options_to_short_options(long_options);
+ char *short_options = ovs_cmdl_long_options_to_short_options(long_options);
+ unsigned int timeout = 0;
+
+ table_style.format = TF_TABLE;
for (;;) {
int c;
}
switch (c) {
- case 'f':
- if (!strcmp(optarg, "table")) {
- output_format = FMT_TABLE;
- } else if (!strcmp(optarg, "html")) {
- output_format = FMT_HTML;
- } else if (!strcmp(optarg, "csv")) {
- output_format = FMT_CSV;
- } else {
- ovs_fatal(0, "unknown output format \"%s\"", optarg);
- }
- break;
-
- case 'd':
- if (!strcmp(optarg, "string")) {
- data_format = DF_STRING;
- } else if (!strcmp(optarg, "json")) {
- data_format = DF_JSON;
- } else {
- ovs_fatal(0, "unknown data format \"%s\"", optarg);
- }
- break;
-
case 'h':
usage();
case 'V':
- OVS_PRINT_VERSION(0, 0);
+ ovs_print_version(0, 0);
exit(EXIT_SUCCESS);
- case 'v':
- vlog_set_verbosity(optarg);
- break;
-
+ VLOG_OPTION_HANDLERS
DAEMON_OPTION_HANDLERS
-
-#ifdef HAVE_OPENSSL
+ TABLE_OPTION_HANDLERS(&table_style)
STREAM_SSL_OPTION_HANDLERS
case OPT_BOOTSTRAP_CA_CERT:
stream_ssl_set_ca_cert_file(optarg, true);
break;
-#endif
+
+ case OPT_TIMESTAMP:
+ timestamp = true;
+ break;
+
+ case OPT_FORCE:
+ force = true;
+ break;
+
+ case 't':
+ if (!str_to_uint(optarg, 10, &timeout) || !timeout) {
+ ovs_fatal(0, "value %s on -t or --timeout is invalid", optarg);
+ }
+ break;
+
+ case OPT_LEADER_ONLY:
+ leader_only = true;
+ break;
+
+ case OPT_NO_LEADER_ONLY:
+ leader_only = false;
+ break;
case '?':
exit(EXIT_FAILURE);
}
}
free(short_options);
+
+ ctl_timeout_setup(timeout);
}
static void
printf("%s: Open vSwitch database JSON-RPC client\n"
"usage: %s [OPTIONS] COMMAND [ARG...]\n"
"\nValid commands are:\n"
- "\n list-dbs SERVER\n"
+ "\n list-dbs [SERVER]\n"
" list databases available on SERVER\n"
- "\n get-schema SERVER DATABASE\n"
+ "\n get-schema [SERVER] [DATABASE]\n"
" retrieve schema for DATABASE from SERVER\n"
- "\n list-tables SERVER DATABASE\n"
+ "\n get-schema-version [SERVER] [DATABASE]\n"
+ " retrieve schema for DATABASE from SERVER and report only its\n"
+ " version number on stdout\n"
+ "\n get-schema-cksum [SERVER] [DATABASE]\n"
+ " retrieve schema for DATABASE from SERVER and report only its\n"
+ " checksum on stdout\n"
+ "\n list-tables [SERVER] [DATABASE]\n"
" list tables for DATABASE on SERVER\n"
- "\n list-columns SERVER DATABASE [TABLE]\n"
+ "\n list-columns [SERVER] [DATABASE] [TABLE]\n"
" list columns in TABLE (or all tables) in DATABASE on SERVER\n"
- "\n transact SERVER TRANSACTION\n"
- " run TRANSACTION (a JSON array of operations) on SERVER\n"
+ "\n transact [SERVER] TRANSACTION\n"
+ " run TRANSACTION (params for \"transact\" request) on SERVER\n"
" and print the results as JSON on stdout\n"
- "\n monitor SERVER DATABASE TABLE [COLUMN,...] [SELECT,...]\n"
- " monitor contents of (COLUMNs in) TABLE in DATABASE on SERVER\n"
- " Valid SELECTs are: initial, insert, delete, modify\n"
- "\n dump SERVER DATABASE\n"
- " dump contents of DATABASE on SERVER to stdout\n",
- program_name, program_name);
+ "\n query [SERVER] TRANSACTION\n"
+ " run TRANSACTION (params for \"transact\" request) on SERVER,\n"
+ " as read-only, and print the results as JSON on stdout\n"
+ "\n monitor [SERVER] [DATABASE] TABLE [COLUMN,...]...\n"
+ " monitor contents of COLUMNs in TABLE in DATABASE on SERVER.\n"
+ " COLUMNs may include !initial, !insert, !delete, !modify\n"
+ " to avoid seeing the specified kinds of changes.\n"
+ "\n monitor-cond [SERVER] [DATABASE] CONDITION TABLE [COLUMN,...]...\n"
+ " monitor contents that match CONDITION of COLUMNs in TABLE in\n"
+ " DATABASE on SERVER.\n"
+ " COLUMNs may include !initial, !insert, !delete, !modify\n"
+ " to avoid seeing the specified kinds of changes.\n"
+ "\n monitor-cond-since [SERVER] [DATABASE] [LASTID] CONDITION TABLE [COLUMN,...]...\n"
+ " monitor contents that match CONDITION of COLUMNs in TABLE in\n"
+ " DATABASE on SERVER, since change after LASTID.\n"
+ " LASTID specifies transaction ID after which the monitoring\n"
+ " starts, which works only for cluster mode. If ignored, it\n"
+ " defaults to an all-zero uuid.\n"
+ " Other arguments are the same as in monitor-cond.\n"
+ "\n convert [SERVER] SCHEMA\n"
+ " convert database on SERVER named in SCHEMA to SCHEMA.\n"
+ "\n needs-conversion [SERVER] SCHEMA\n"
+ " tests whether SCHEMA's db on SERVER needs conversion.\n"
+ "\n monitor [SERVER] [DATABASE] ALL\n"
+ " monitor all changes to all columns in all tables\n"
+ "\n wait [SERVER] DATABASE STATE\n"
+ " wait until DATABASE reaches STATE "
+ "(\"added\" or \"connected\" or \"removed\")\n"
+ " in DATBASE on SERVER.\n"
+ "\n dump [SERVER] [DATABASE]\n"
+ " dump contents of DATABASE on SERVER to stdout\n"
+ "\n backup [SERVER] [DATABASE] > SNAPSHOT\n"
+ " dump database contents in the form of a database file\n"
+ "\n [--force] restore [SERVER] [DATABASE] < SNAPSHOT\n"
+ " restore database contents from a database file\n"
+ "\n lock [SERVER] LOCK\n"
+ " create or wait for LOCK in SERVER\n"
+ "\n steal [SERVER] LOCK\n"
+ " steal LOCK from SERVER\n"
+ "\n unlock [SERVER] LOCK\n"
+ " unlock LOCK from SERVER\n"
+ "\nThe default SERVER is unix:%s/db.sock.\n"
+ "The default DATABASE is Open_vSwitch.\n",
+ program_name, program_name, ovs_rundir());
stream_usage("SERVER", true, true, true);
- printf("\nOutput formatting options:\n"
- " -f, --format=FORMAT set output formatting to FORMAT\n"
- " (\"table\", \"html\", or \"csv\"\n"
- " --no-headings omit table heading row\n"
- " --pretty pretty-print JSON in output");
+ table_usage();
+ printf(" --timestamp timestamp \"monitor\" output");
daemon_usage();
vlog_usage();
printf("\nOther options:\n"
exit(EXIT_SUCCESS);
}
\f
+static void
+check_txn(int error, struct jsonrpc_msg **reply_)
+{
+ struct jsonrpc_msg *reply = *reply_;
+
+ if (error) {
+ ovs_fatal(error, "transaction failed");
+ }
+
+ if (reply->error) {
+ ovs_fatal(error, "transaction returned error: %s",
+ json_to_string(reply->error, table_style.json_flags));
+ }
+}
+
static struct json *
parse_json(const char *s)
{
struct json *json = json_from_string(s);
if (json->type == JSON_STRING) {
- ovs_fatal(0, "\"%s\": %s", s, json->u.string);
+ ovs_fatal(0, "\"%s\": %s", s, json->string);
}
return json;
}
struct stream *stream;
int error;
- error = stream_open_block(jsonrpc_stream_open(server, &stream), &stream);
+ error = stream_open_block(jsonrpc_stream_open(server, &stream,
+ DSCP_DEFAULT), -1, &stream);
if (error == EAFNOSUPPORT) {
struct pstream *pstream;
- error = jsonrpc_pstream_open(server, &pstream);
+ error = jsonrpc_pstream_open(server, &pstream, DSCP_DEFAULT);
if (error) {
ovs_fatal(error, "failed to connect or listen to \"%s\"", server);
}
static void
print_json(struct json *json)
{
- char *string = json_to_string(json, json_flags);
- fputs(string, stdout);
+ char *string = json_to_string(json, table_style.json_flags);
+ puts(string);
free(string);
}
}
static struct ovsdb_schema *
-fetch_schema_from_rpc(struct jsonrpc *rpc, const char *database)
+fetch_schema(struct jsonrpc *rpc, const char *database)
{
struct jsonrpc_msg *request, *reply;
struct ovsdb_schema *schema;
- int error;
request = jsonrpc_create_request("get_schema",
json_array_create_1(
json_string_create(database)),
NULL);
- error = jsonrpc_transact_block(rpc, request, &reply);
- if (error) {
- ovs_fatal(error, "transaction failed");
- }
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
check_ovsdb_error(ovsdb_schema_from_json(reply->result, &schema));
jsonrpc_msg_destroy(reply);
return schema;
}
-static struct ovsdb_schema *
-fetch_schema(const char *server, const char *database)
+static void
+fetch_dbs(struct jsonrpc *rpc, struct svec *dbs)
{
- struct ovsdb_schema *schema;
- struct jsonrpc *rpc;
+ struct jsonrpc_msg *request, *reply;
+ size_t i;
- rpc = open_jsonrpc(server);
- schema = fetch_schema_from_rpc(rpc, database);
- jsonrpc_close(rpc);
+ request = jsonrpc_create_request("list_dbs", json_array_create_empty(),
+ NULL);
- return schema;
-}
-\f
-struct column {
- char *heading;
- int width;
-};
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
+ if (reply->result->type != JSON_ARRAY) {
+ ovs_fatal(0, "list_dbs response is not array");
+ }
-struct table {
- char **cells;
- struct column *columns;
- size_t n_columns, allocated_columns;
- size_t n_rows, allocated_rows;
- size_t current_column;
- char *caption;
-};
+ for (i = 0; i < reply->result->array.n; i++) {
+ const struct json *name = reply->result->array.elems[i];
-static void
-table_init(struct table *table)
+ if (name->type != JSON_STRING) {
+ ovs_fatal(0, "list_dbs response %"PRIuSIZE" is not string", i);
+ }
+ svec_add(dbs, name->string);
+ }
+ jsonrpc_msg_destroy(reply);
+ svec_sort(dbs);
+}
+
+static const char *
+parse_string_column(const struct json *row, const char *column_name)
{
- memset(table, 0, sizeof *table);
+ const struct json *column = shash_find_data(json_object(row), column_name);
+ return column && column->type == JSON_STRING ? json_string(column) : "";
}
-static void
-table_destroy(struct table *table)
+static int
+parse_boolean_column(const struct json *row, const char *column_name)
{
- size_t i;
+ const struct json *column = shash_find_data(json_object(row), column_name);
+ return (!column ? -1
+ : column->type == JSON_TRUE ? true
+ : column->type == JSON_FALSE ? false
+ : -1);
+}
- for (i = 0; i < table->n_columns; i++) {
- free(table->columns[i].heading);
+static struct uuid
+parse_uuid_column(const struct json *row, const char *column_name)
+{
+ const struct json *column = shash_find_data(json_object(row), column_name);
+ if (!column) {
+ return UUID_ZERO;
}
- free(table->columns);
- for (i = 0; i < table->n_columns * table->n_rows; i++) {
- free(table->cells[i]);
+ struct ovsdb_type type = { OVSDB_BASE_UUID_INIT, OVSDB_BASE_VOID_INIT,
+ 0, 1 };
+ struct ovsdb_datum datum;
+ struct ovsdb_error *error = ovsdb_datum_from_json(&datum, &type, column,
+ NULL);
+ if (error) {
+ ovsdb_error_destroy(error);
+ return UUID_ZERO;
}
- free(table->cells);
-
- free(table->caption);
+ struct uuid uuid = datum.n > 0 ? datum.keys[0].uuid : UUID_ZERO;
+ ovsdb_datum_destroy(&datum, &type);
+ return uuid;
}
-static void
-table_set_caption(struct table *table, char *caption)
+struct jsonrpc_msg *
+create_database_info_request(const char *database)
{
- free(table->caption);
- table->caption = caption;
+ struct json *op = json_object_create();
+ json_object_put_string(op, "op", "select");
+ json_object_put_string(op, "table", "Database");
+ struct json *condition = json_array_create_3(
+ json_string_create("name"),
+ json_string_create("=="),
+ json_string_create(database));
+ json_object_put(op, "where", json_array_create_1(condition));
+ struct json *txn = json_array_create_2(
+ json_string_create("_Server"), op);
+ return jsonrpc_create_request("transact", txn, NULL);
}
-static void
-table_add_column(struct table *table, const char *heading, ...)
- PRINTF_FORMAT(2, 3);
-
-static void
-table_add_column(struct table *table, const char *heading, ...)
+static const struct json *
+parse_database_info_reply(const struct jsonrpc_msg *reply, const char *server,
+ const char *database, const struct uuid *cid)
{
- struct column *column;
- va_list args;
+ const struct json *result = reply->result;
+ if (result->type != JSON_ARRAY
+ || result->array.n != 1
+ || result->array.elems[0]->type != JSON_OBJECT) {
+ VLOG_WARN("%s: unexpected reply to _Server request for %s",
+ server, database);
+ return NULL;
+ }
- assert(!table->n_rows);
- if (table->n_columns >= table->allocated_columns) {
- table->columns = x2nrealloc(table->columns, &table->allocated_columns,
- sizeof *table->columns);
+ const struct json *op_result = result->array.elems[0];
+ const struct json *rows = shash_find_data(json_object(op_result), "rows");
+ if (!rows || rows->type != JSON_ARRAY) {
+ VLOG_WARN("%s: missing \"rows\" member in _Server reply for %s",
+ server, database);
+ return NULL;
}
- column = &table->columns[table->n_columns++];
- va_start(args, heading);
- column->heading = xvasprintf(heading, args);
- column->width = strlen(column->heading);
- va_end(args);
-}
+ for (size_t i = 0; i < rows->array.n; i++) {
+ const struct json *row = rows->array.elems[i];
+ if (row->type != JSON_OBJECT) {
+ VLOG_WARN("%s: bad row in _Server reply for %s",
+ server, database);
+ continue;
+ }
-static char **
-table_cell__(const struct table *table, size_t row, size_t column)
-{
- return &table->cells[column + row * table->n_columns];
-}
+ if (strcmp(parse_string_column(row, "name"), database)) {
+ continue;
+ }
-static void
-table_add_row(struct table *table)
-{
- size_t x, y;
+ if (cid && !uuid_is_zero(cid)) {
+ struct uuid cid2 = parse_uuid_column(row, "cid");
+ if (!uuid_equals(cid, &cid2)) {
+ continue;
+ }
+ }
- if (table->n_rows >= table->allocated_rows) {
- table->cells = x2nrealloc(table->cells, &table->allocated_rows,
- table->n_columns * sizeof *table->cells);
+ return row;
}
- y = table->n_rows++;
- table->current_column = 0;
- for (x = 0; x < table->n_columns; x++) {
- *table_cell__(table, y, x) = NULL;
- }
+ /* No such database. */
+ return NULL;
}
-static void
-table_add_cell_nocopy(struct table *table, char *s)
+/* Parses 'reply', a JSON-RPC reply to our request asking for the status of
+ * 'database' on 'server'. Determines whether this server is acceptable for
+ * the transaction we want to make and returns true if so or false to
+ * disconnect and try a different server. */
+static bool
+should_stay_connected(const char *server, const char *database,
+ const struct uuid *cid, const struct jsonrpc_msg *reply)
{
- size_t x, y;
- int length;
+ const struct json *row = parse_database_info_reply(reply, server,
+ database, cid);
+ if (!row) {
+ /* No such database. */
+ return false;
+ }
- assert(table->n_rows > 0);
- assert(table->current_column < table->n_columns);
+ if (strcmp(parse_string_column(row, "model"), "clustered")) {
+ /* Always accept standalone databases. */
+ return true;
+ }
- x = table->current_column++;
- y = table->n_rows - 1;
- *table_cell__(table, y, x) = s;
+ if (!parse_boolean_column(row, "connected")) {
+ /* Reject disconnected servers. */
+ return false;
+ }
- length = strlen(s);
- if (length > table->columns[x].width) {
- table->columns[x].width = length;
+ if (leader_only && !parse_boolean_column(row, "leader")) {
+ /* Reject if not leader.. */
+ return false;
}
-}
+ return true;
+}
+\f
static void
-table_add_cell(struct table *table, const char *format, ...)
+do_list_dbs(struct jsonrpc *rpc, const char *database OVS_UNUSED,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
- va_list args;
+ const char *db_name;
+ struct svec dbs;
+ size_t i;
- va_start(args, format);
- table_add_cell_nocopy(table, xvasprintf(format, args));
- va_end(args);
+ svec_init(&dbs);
+ fetch_dbs(rpc, &dbs);
+ SVEC_FOR_EACH (i, db_name, &dbs) {
+ puts(db_name);
+ }
+ svec_destroy(&dbs);
}
static void
-table_print_table_line__(struct ds *line)
+do_get_schema(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
- puts(ds_cstr(line));
- ds_clear(line);
+ struct ovsdb_schema *schema = fetch_schema(rpc, database);
+ print_and_free_json(ovsdb_schema_to_json(schema));
+ ovsdb_schema_destroy(schema);
}
static void
-table_print_table__(const struct table *table)
+do_get_schema_version(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
- static int n = 0;
- struct ds line = DS_EMPTY_INITIALIZER;
- size_t x, y;
-
- if (n++ > 0) {
- putchar('\n');
- }
-
- if (output_headings) {
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
- if (x) {
- ds_put_char(&line, ' ');
- }
- ds_put_format(&line, "%-*s", column->width, column->heading);
- }
- table_print_table_line__(&line);
-
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
- int i;
-
- if (x) {
- ds_put_char(&line, ' ');
- }
- for (i = 0; i < column->width; i++) {
- ds_put_char(&line, '-');
- }
- }
- table_print_table_line__(&line);
- }
-
- for (y = 0; y < table->n_rows; y++) {
- for (x = 0; x < table->n_columns; x++) {
- const char *cell = *table_cell__(table, y, x);
- if (x) {
- ds_put_char(&line, ' ');
- }
- ds_put_format(&line, "%-*s", table->columns[x].width, cell);
- }
- table_print_table_line__(&line);
- }
-
- ds_destroy(&line);
+ struct ovsdb_schema *schema = fetch_schema(rpc, database);
+ puts(schema->version);
+ ovsdb_schema_destroy(schema);
}
static void
-table_escape_html_text__(const char *s, size_t n)
+do_get_schema_cksum(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
- size_t i;
-
- for (i = 0; i < n; i++) {
- char c = s[i];
-
- switch (c) {
- case '&':
- fputs("&", stdout);
- break;
- case '<':
- fputs("<", stdout);
- break;
- case '>':
- fputs(">", stdout);
- break;
- case '"':
- fputs(""", stdout);
- break;
- default:
- putchar(c);
- break;
- }
- }
+ struct ovsdb_schema *schema = fetch_schema(rpc, database);
+ puts(schema->cksum);
+ ovsdb_schema_destroy(schema);
}
static void
-table_print_html_cell__(const char *element, const char *content)
+do_list_tables(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
- const char *p;
+ struct ovsdb_schema *schema;
+ struct shash_node *node;
+ struct table t;
- printf(" <%s>", element);
- for (p = content; *p; ) {
- struct uuid uuid;
+ schema = fetch_schema(rpc, database);
+ table_init(&t);
+ table_add_column(&t, "Table");
+ SHASH_FOR_EACH (node, &schema->tables) {
+ struct ovsdb_table_schema *ts = node->data;
- if (uuid_from_string_prefix(&uuid, p)) {
- printf("<a href=\"#%.*s\">%.*s</a>", UUID_LEN, p, 8, p);
- p += UUID_LEN;
- } else {
- table_escape_html_text__(p, 1);
- p++;
- }
+ table_add_row(&t);
+ table_add_cell(&t)->text = xstrdup(ts->name);
}
- printf("</%s>\n", element);
+ ovsdb_schema_destroy(schema);
+ table_print(&t, &table_style);
+ table_destroy(&t);
}
static void
-table_print_html__(const struct table *table)
+do_list_columns(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[])
{
- size_t x, y;
-
- fputs("<table border=1>\n", stdout);
+ const char *table_name = argv[0];
+ struct ovsdb_schema *schema;
+ struct shash_node *table_node;
+ struct table t;
- if (table->caption) {
- table_print_html_cell__("caption", table->caption);
+ schema = fetch_schema(rpc, database);
+ table_init(&t);
+ if (!table_name) {
+ table_add_column(&t, "Table");
}
+ table_add_column(&t, "Column");
+ table_add_column(&t, "Type");
+ SHASH_FOR_EACH (table_node, &schema->tables) {
+ struct ovsdb_table_schema *ts = table_node->data;
- if (output_headings) {
- fputs(" <tr>\n", stdout);
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
- table_print_html_cell__("th", column->heading);
- }
- fputs(" </tr>\n", stdout);
- }
+ if (!table_name || !strcmp(table_name, ts->name)) {
+ struct shash_node *column_node;
- for (y = 0; y < table->n_rows; y++) {
- fputs(" <tr>\n", stdout);
- for (x = 0; x < table->n_columns; x++) {
- const char *content = *table_cell__(table, y, x);
+ SHASH_FOR_EACH (column_node, &ts->columns) {
+ const struct ovsdb_column *column = column_node->data;
- if (!strcmp(table->columns[x].heading, "_uuid")) {
- fputs(" <td><a name=\"", stdout);
- table_escape_html_text__(content, strlen(content));
- fputs("\">", stdout);
- table_escape_html_text__(content, 8);
- fputs("</a></td>\n", stdout);
- } else {
- table_print_html_cell__("td", content);
+ table_add_row(&t);
+ if (!table_name) {
+ table_add_cell(&t)->text = xstrdup(ts->name);
+ }
+ table_add_cell(&t)->text = xstrdup(column->name);
+ table_add_cell(&t)->json = ovsdb_type_to_json(&column->type);
}
}
- fputs(" </tr>\n", stdout);
}
-
- fputs("</table>\n", stdout);
+ ovsdb_schema_destroy(schema);
+ table_print(&t, &table_style);
+ table_destroy(&t);
}
static void
-table_print_csv_cell__(const char *content)
+send_db_change_aware(struct jsonrpc *rpc)
{
- const char *p;
-
- if (!strpbrk(content, "\n\",")) {
- fputs(content, stdout);
- } else {
- putchar('"');
- for (p = content; *p != '\0'; p++) {
- switch (*p) {
- case '"':
- fputs("\"\"", stdout);
- break;
- default:
- putchar(*p);
- break;
- }
+ if (db_change_aware != 0) {
+ struct jsonrpc_msg *request = jsonrpc_create_request(
+ "set_db_change_aware",
+ json_array_create_1(json_boolean_create(true)),
+ NULL);
+ struct jsonrpc_msg *reply;
+ int error = jsonrpc_transact_block(rpc, request, &reply);
+ if (error) {
+ ovs_fatal(error, "%s: error setting db_change_aware",
+ jsonrpc_get_name(rpc));
+ }
+ if (reply->type == JSONRPC_ERROR && db_change_aware == 1) {
+ ovs_fatal(0, "%s: set_db_change_aware failed (%s)",
+ jsonrpc_get_name(rpc), json_to_string(reply->error, 0));
}
- putchar('"');
+ jsonrpc_msg_destroy(reply);
}
}
-static void
-table_print_csv__(const struct table *table)
+static struct json *
+do_transact__(int argc, char *argv[], struct json *transaction)
{
- static int n = 0;
- size_t x, y;
-
- if (n++ > 0) {
- putchar('\n');
+ struct jsonrpc_msg *request, *reply;
+ if (transaction->type != JSON_ARRAY
+ || !transaction->array.n
+ || transaction->array.elems[0]->type != JSON_STRING) {
+ ovs_fatal(0, "not a valid OVSDB query");
}
+ const char *db_name = json_string(transaction->array.elems[0]);
- if (table->caption) {
- puts(table->caption);
- }
+ struct jsonrpc *rpc;
+ char *database = CONST_CAST(char *, db_name);
+ open_rpc(1, NEED_DATABASE, argc, argv, &rpc, &database);
- if (output_headings) {
- for (x = 0; x < table->n_columns; x++) {
- const struct column *column = &table->columns[x];
- if (x) {
- putchar(',');
- }
- table_print_csv_cell__(column->heading);
- }
- putchar('\n');
+ if (db_change_aware == 1) {
+ send_db_change_aware(rpc);
}
+ daemon_save_fd(STDOUT_FILENO);
+ daemon_save_fd(STDERR_FILENO);
+ daemonize();
- for (y = 0; y < table->n_rows; y++) {
- for (x = 0; x < table->n_columns; x++) {
- if (x) {
- putchar(',');
- }
- table_print_csv_cell__(*table_cell__(table, y, x));
- }
- putchar('\n');
- }
-}
-
-static void
-table_print(const struct table *table)
-{
- switch (output_format) {
- case FMT_TABLE:
- table_print_table__(table);
- break;
-
- case FMT_HTML:
- table_print_html__(table);
- break;
-
- case FMT_CSV:
- table_print_csv__(table);
- break;
- }
-}
-\f
-static void
-do_list_dbs(int argc OVS_UNUSED, char *argv[])
-{
- struct jsonrpc_msg *request, *reply;
- struct jsonrpc *rpc;
- int error;
- size_t i;
-
- rpc = open_jsonrpc(argv[1]);
- request = jsonrpc_create_request("list_dbs", json_array_create_empty(),
- NULL);
- error = jsonrpc_transact_block(rpc, request, &reply);
- if (error) {
- ovs_fatal(error, "transaction failed");
- }
-
- if (reply->result->type != JSON_ARRAY) {
- ovs_fatal(0, "list_dbs response is not array");
- }
-
- for (i = 0; i < reply->result->u.array.n; i++) {
- const struct json *name = reply->result->u.array.elems[i];
-
- if (name->type != JSON_STRING) {
- ovs_fatal(0, "list_dbs response %zu is not string", i);
- }
- puts(name->u.string);
- }
+ request = jsonrpc_create_request("transact", transaction, NULL);
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
+ struct json *result = json_clone(reply->result);
jsonrpc_msg_destroy(reply);
-}
+ jsonrpc_close(rpc);
-static void
-do_get_schema(int argc OVS_UNUSED, char *argv[])
-{
- struct ovsdb_schema *schema = fetch_schema(argv[1], argv[2]);
- print_and_free_json(ovsdb_schema_to_json(schema));
- ovsdb_schema_destroy(schema);
+ return result;
}
static void
-do_list_tables(int argc OVS_UNUSED, char *argv[])
+do_transact(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED,
+ int argc, char *argv[])
{
- struct ovsdb_schema *schema;
- struct shash_node *node;
- struct table t;
-
- schema = fetch_schema(argv[1], argv[2]);
- table_init(&t);
- table_add_column(&t, "Table");
- SHASH_FOR_EACH (node, &schema->tables) {
- struct ovsdb_table_schema *ts = node->data;
-
- table_add_row(&t);
- table_add_cell(&t, ts->name);
- }
- ovsdb_schema_destroy(schema);
- table_print(&t);
+ print_and_free_json(do_transact__(argc, argv, parse_json(argv[argc - 1])));
}
static void
-do_list_columns(int argc OVS_UNUSED, char *argv[])
+do_query(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED,
+ int argc, char *argv[])
{
- const char *table_name = argv[3];
- struct ovsdb_schema *schema;
- struct shash_node *table_node;
- struct table t;
+ struct json *transaction = parse_json(argv[argc - 1]);
- schema = fetch_schema(argv[1], argv[2]);
- table_init(&t);
- if (!table_name) {
- table_add_column(&t, "Table");
+ if (transaction->type != JSON_ARRAY) {
+ ovs_fatal(0, "not a valid OVSDB query");
}
- table_add_column(&t, "Column");
- table_add_column(&t, "Type");
- SHASH_FOR_EACH (table_node, &schema->tables) {
- struct ovsdb_table_schema *ts = table_node->data;
- if (!table_name || !strcmp(table_name, ts->name)) {
- struct shash_node *column_node;
-
- SHASH_FOR_EACH (column_node, &ts->columns) {
- const struct ovsdb_column *column = column_node->data;
- struct json *type = ovsdb_type_to_json(&column->type);
-
- table_add_row(&t);
- if (!table_name) {
- table_add_cell(&t, ts->name);
- }
- table_add_cell(&t, column->name);
- table_add_cell_nocopy(&t, json_to_string(type, JSSF_SORT));
-
- json_destroy(type);
- }
+ /* Append an "abort" operation to the query. */
+ struct json *abort_op = json_object_create();
+ json_object_put_string(abort_op, "op", "abort");
+ json_array_add(transaction, abort_op);
+ size_t abort_idx = transaction->array.n - 2;
+
+ /* Run query. */
+ struct json *result = do_transact__(argc, argv, transaction);
+
+ /* If the "abort" operation ended the transaction, remove its result. */
+ if (result->type == JSON_ARRAY
+ && result->array.n == abort_idx + 1
+ && result->array.elems[abort_idx]->type == JSON_OBJECT) {
+ struct json *op_result = result->array.elems[abort_idx];
+ struct json *error = shash_find_data(json_object(op_result), "error");
+ if (error
+ && error->type == JSON_STRING
+ && !strcmp(json_string(error), "aborted")) {
+ result->array.n--;
+ json_destroy(op_result);
}
}
- ovsdb_schema_destroy(schema);
- table_print(&t);
-}
-static void
-do_transact(int argc OVS_UNUSED, char *argv[])
-{
- struct jsonrpc_msg *request, *reply;
- struct json *transaction;
- struct jsonrpc *rpc;
- int error;
-
- transaction = parse_json(argv[2]);
-
- rpc = open_jsonrpc(argv[1]);
- request = jsonrpc_create_request("transact", transaction, NULL);
- error = jsonrpc_transact_block(rpc, request, &reply);
- if (error) {
- ovs_fatal(error, "transaction failed");
- }
- if (reply->error) {
- ovs_fatal(error, "transaction returned error: %s",
- json_to_string(reply->error, json_flags));
- }
- print_json(reply->result);
- putchar('\n');
- jsonrpc_msg_destroy(reply);
- jsonrpc_close(rpc);
+ /* Print the result. */
+ print_and_free_json(result);
}
+\f
+/* "monitor" command. */
-static char *
-format_json(const struct json *json, const struct ovsdb_type *type)
-{
- if (data_format == DF_JSON) {
- return json_to_string(json, JSSF_SORT);
- } else if (data_format == DF_STRING) {
- struct ovsdb_datum datum;
- struct ovsdb_error *error;
- struct ds s;
-
- error = ovsdb_datum_from_json(&datum, type, json, NULL);
- if (error) {
- return json_to_string(json, JSSF_SORT);
- }
-
- ds_init(&s);
- ovsdb_datum_to_string(&datum, type, &s);
- ovsdb_datum_destroy(&datum, type);
- return ds_steal_cstr(&s);
- } else {
- NOT_REACHED();
- }
-}
+struct monitored_table {
+ struct ovsdb_table_schema *table;
+ struct ovsdb_column_set columns;
+};
static void
monitor_print_row(struct json *row, const char *type, const char *uuid,
}
table_add_row(t);
- table_add_cell(t, uuid);
- table_add_cell(t, type);
+ table_add_cell(t)->text = xstrdup(uuid);
+ table_add_cell(t)->text = xstrdup(type);
for (i = 0; i < columns->n_columns; i++) {
const struct ovsdb_column *column = columns->columns[i];
struct json *value = shash_find_data(json_object(row), column->name);
+ struct cell *cell = table_add_cell(t);
if (value) {
- table_add_cell_nocopy(t, format_json(value, &column->type));
- } else {
- table_add_cell(t, "");
+ cell->json = json_clone(value);
+ cell->type = &column->type;
}
}
}
static void
-monitor_print(struct json *table_updates,
- const struct ovsdb_table_schema *table,
- const struct ovsdb_column_set *columns, bool initial)
+monitor_print_table(struct json *table_update,
+ const struct monitored_table *mt, char *caption,
+ bool initial)
{
- struct json *table_update;
+ const struct ovsdb_table_schema *table = mt->table;
+ const struct ovsdb_column_set *columns = &mt->columns;
struct shash_node *node;
struct table t;
size_t i;
- table_init(&t);
-
- if (table_updates->type != JSON_OBJECT) {
- ovs_error(0, "<table-updates> is not object");
- return;
- }
- table_update = shash_find_data(json_object(table_updates), table->name);
- if (!table_update) {
- return;
- }
if (table_update->type != JSON_OBJECT) {
- ovs_error(0, "<table-update> is not object");
+ ovs_error(0, "<table-update> for table %s is not object", table->name);
return;
}
+ table_init(&t);
+ table_set_timestamp(&t, timestamp);
+ table_set_caption(&t, caption);
+
table_add_column(&t, "row");
table_add_column(&t, "action");
for (i = 0; i < columns->n_columns; i++) {
monitor_print_row(new, "new", "", columns, &t);
}
}
- table_print(&t);
+ table_print(&t, &table_style);
table_destroy(&t);
}
static void
-do_monitor(int argc, char *argv[])
+monitor_print(struct json *table_updates,
+ const struct monitored_table *mts, size_t n_mts,
+ bool initial)
{
- const char *server = argv[1];
- const char *database = argv[2];
- const char *table_name = argv[3];
- struct ovsdb_column_set columns = OVSDB_COLUMN_SET_INITIALIZER;
- struct ovsdb_table_schema *table;
- struct ovsdb_schema *schema;
- struct jsonrpc_msg *request;
- struct jsonrpc *rpc;
- struct json *select, *monitor, *monitor_request, *monitor_requests,
- *request_id;
+ size_t i;
- rpc = open_jsonrpc(server);
+ if (table_updates->type != JSON_OBJECT) {
+ ovs_error(0, "<table-updates> is not object");
+ return;
+ }
- schema = fetch_schema_from_rpc(rpc, database);
- table = shash_find_data(&schema->tables, table_name);
- if (!table) {
- ovs_fatal(0, "%s: %s does not have a table named \"%s\"",
- server, database, table_name);
+ for (i = 0; i < n_mts; i++) {
+ const struct monitored_table *mt = &mts[i];
+ struct json *table_update = shash_find_data(json_object(table_updates),
+ mt->table->name);
+ if (table_update) {
+ monitor_print_table(table_update, mt,
+ n_mts > 1 ? xstrdup(mt->table->name) : NULL,
+ initial);
+ }
+ }
+}
+
+static void
+monitor2_print_row(struct json *row, const char *type, const char *uuid,
+ const struct ovsdb_column_set *columns, struct table *t)
+{
+ if (!strcmp(type, "delete")) {
+ if (row->type != JSON_NULL) {
+ ovs_error(0, "delete method does not expect <row>");
+ return;
+ }
+
+ table_add_row(t);
+ table_add_cell(t)->text = xstrdup(uuid);
+ table_add_cell(t)->text = xstrdup(type);
+ } else {
+ if (!row || row->type != JSON_OBJECT) {
+ ovs_error(0, "<row> is not object");
+ return;
+ }
+ monitor_print_row(row, type, uuid, columns, t);
+ }
+}
+
+static void
+monitor2_print_table(struct json *table_update2,
+ const struct monitored_table *mt, char *caption)
+{
+ const struct ovsdb_table_schema *table = mt->table;
+ const struct ovsdb_column_set *columns = &mt->columns;
+ struct shash_node *node;
+ struct table t;
+
+ if (table_update2->type != JSON_OBJECT) {
+ ovs_error(0, "<table-update> for table %s is not object", table->name);
+ return;
+ }
+
+ table_init(&t);
+ table_set_timestamp(&t, timestamp);
+ table_set_caption(&t, caption);
+
+ table_add_column(&t, "row");
+ table_add_column(&t, "action");
+ for (size_t i = 0; i < columns->n_columns; i++) {
+ table_add_column(&t, "%s", columns->columns[i]->name);
+ }
+ SHASH_FOR_EACH (node, json_object(table_update2)) {
+ struct json *row_update2 = node->data;
+ const char *operation;
+ struct json *row;
+ const char *ops[] = {"delete", "initial", "modify", "insert"};
+
+ if (row_update2->type != JSON_OBJECT) {
+ ovs_error(0, "<row-update2> is not object");
+ continue;
+ }
+
+ /* row_update2 contains one of objects indexed by ops[] */
+ for (int i = 0; i < ARRAY_SIZE(ops); i++) {
+ operation = ops[i];
+ row = shash_find_data(json_object(row_update2), operation);
+
+ if (row) {
+ monitor2_print_row(row, operation, node->name, columns, &t);
+ break;
+ }
+ }
+ }
+ table_print(&t, &table_style);
+ table_destroy(&t);
+}
+
+static void
+monitor2_print(struct json *table_updates2,
+ const struct monitored_table *mts, size_t n_mts)
+{
+ size_t i;
+
+ if (table_updates2->type != JSON_OBJECT) {
+ ovs_error(0, "<table-updates2> is not object");
+ return;
+ }
+
+ for (i = 0; i < n_mts; i++) {
+ const struct monitored_table *mt = &mts[i];
+ struct json *table_update = shash_find_data(
+ json_object(table_updates2),
+ mt->table->name);
+ if (table_update) {
+ monitor2_print_table(table_update, mt,
+ n_mts > 1 ? xstrdup(mt->table->name) : NULL);
+ }
+ }
+}
+
+static void
+monitor3_print(struct json *result,
+ const struct monitored_table *mts, size_t n_mts)
+{
+ if (result->type != JSON_ARRAY) {
+ ovs_error(0, "<result> is not array");
}
- if (argc >= 5 && *argv[4] != '\0') {
- char *save_ptr = NULL;
- char *token;
+ if (result->array.n != 3) {
+ ovs_error(0, "<result> should have 3 elements, but has %"PRIuSIZE".",
+ result->array.n);
+ }
+
+ bool found = json_boolean(result->array.elems[0]);
+ const char *last_id = json_string(result->array.elems[1]);
+ printf("found: %s, last_id: %s\n", found ? "true" : "false", last_id);
+
+ struct json *table_updates2 = result->array.elems[2];
+ monitor2_print(table_updates2, mts, n_mts);
+}
+
+static void
+monitor3_notify_print(const char *last_id, struct json *table_updates2,
+ const struct monitored_table *mts, size_t n_mts)
+{
+ printf("\nlast_id: %s", last_id);
+ monitor2_print(table_updates2, mts, n_mts);
+}
- for (token = strtok_r(argv[4], ",", &save_ptr); token != NULL;
- token = strtok_r(NULL, ",", &save_ptr)) {
+static void
+add_column(const char *server, const struct ovsdb_column *column,
+ struct ovsdb_column_set *columns, struct json *columns_json)
+{
+ if (ovsdb_column_set_contains(columns, column->index)) {
+ ovs_fatal(0, "%s: column \"%s\" mentioned multiple times",
+ server, column->name);
+ }
+ ovsdb_column_set_add(columns, column);
+ json_array_add(columns_json, json_string_create(column->name));
+}
+
+static struct json *
+parse_monitor_columns(char *arg, const char *server, const char *database,
+ const struct ovsdb_table_schema *table,
+ struct ovsdb_column_set *columns)
+{
+ bool initial, insert, delete, modify;
+ struct json *mr, *columns_json;
+ char *save_ptr = NULL;
+ char *token;
+
+ mr = json_object_create();
+ columns_json = json_array_create_empty();
+ json_object_put(mr, "columns", columns_json);
+
+ initial = insert = delete = modify = true;
+ for (token = strtok_r(arg, ",", &save_ptr); token != NULL;
+ token = strtok_r(NULL, ",", &save_ptr)) {
+ if (!strcmp(token, "!initial")) {
+ initial = false;
+ } else if (!strcmp(token, "!insert")) {
+ insert = false;
+ } else if (!strcmp(token, "!delete")) {
+ delete = false;
+ } else if (!strcmp(token, "!modify")) {
+ modify = false;
+ } else {
const struct ovsdb_column *column;
+
column = ovsdb_table_schema_get_column(table, token);
if (!column) {
ovs_fatal(0, "%s: table \"%s\" in %s does not have a "
"column named \"%s\"",
- server, table_name, database, token);
+ server, table->name, database, token);
}
- ovsdb_column_set_add(&columns, column);
+ add_column(server, column, columns, columns_json);
}
- } else {
+ }
+
+ if (columns_json->array.n == 0) {
const struct shash_node **nodes;
size_t i, n;
const struct ovsdb_column *column = nodes[i]->data;
if (column->index != OVSDB_COL_UUID
&& column->index != OVSDB_COL_VERSION) {
- ovsdb_column_set_add(&columns, column);
+ add_column(server, column, columns, columns_json);
}
}
free(nodes);
- ovsdb_column_set_add(&columns,
- ovsdb_table_schema_get_column(table, "_version"));
+ add_column(server, ovsdb_table_schema_get_column(table, "_version"),
+ columns, columns_json);
}
- if (argc >= 6 && *argv[5] != '\0') {
- bool initial, insert, delete, modify;
- char *save_ptr = NULL;
- char *token;
+ if (!initial || !insert || !delete || !modify) {
+ struct json *select = json_object_create();
+ json_object_put(select, "initial", json_boolean_create(initial));
+ json_object_put(select, "insert", json_boolean_create(insert));
+ json_object_put(select, "delete", json_boolean_create(delete));
+ json_object_put(select, "modify", json_boolean_create(modify));
+ json_object_put(mr, "select", select);
+ }
+
+ return mr;
+}
+
+static void
+ovsdb_client_exit(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *exiting_)
+{
+ bool *exiting = exiting_;
+ *exiting = true;
+ unixctl_command_reply(conn, NULL);
+}
- initial = insert = delete = modify = false;
+static void
+ovsdb_client_block(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
+{
+ bool *blocked = blocked_;
- for (token = strtok_r(argv[5], ",", &save_ptr); token != NULL;
- token = strtok_r(NULL, ",", &save_ptr)) {
- if (!strcmp(token, "initial")) {
- initial = true;
- } else if (!strcmp(token, "insert")) {
- insert = true;
- } else if (!strcmp(token, "delete")) {
- delete = true;
- } else if (!strcmp(token, "modify")) {
- modify = true;
+ if (!*blocked) {
+ *blocked = true;
+ unixctl_command_reply(conn, NULL);
+ } else {
+ unixctl_command_reply(conn, "already blocking");
+ }
+}
+
+static void
+ovsdb_client_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
+{
+ bool *blocked = blocked_;
+
+ if (*blocked) {
+ *blocked = false;
+ unixctl_command_reply(conn, NULL);
+ } else {
+ unixctl_command_reply(conn, "already unblocked");
+ }
+}
+
+static void
+ovsdb_client_cond_change(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[], void *rpc_)
+{
+ struct jsonrpc *rpc = rpc_;
+ struct json *monitor_cond_update_requests = json_object_create();
+ struct json *monitor_cond_update_request = json_object_create();
+ struct json *params;
+ struct jsonrpc_msg *request;
+
+ json_object_put(monitor_cond_update_request, "where",
+ json_from_string(argv[2]));
+ json_object_put(monitor_cond_update_requests,
+ argv[1],
+ json_array_create_1(monitor_cond_update_request));
+
+ params = json_array_create_3(json_null_create(),json_null_create(),
+ monitor_cond_update_requests);
+
+ request = jsonrpc_create_request("monitor_cond_change", params, NULL);
+ jsonrpc_send(rpc, request);
+
+ VLOG_DBG("cond change %s %s", argv[1], argv[2]);
+ unixctl_command_reply(conn, "condition changed");
+}
+
+static void
+add_monitored_table(int argc, char *argv[],
+ const char *server, const char *database,
+ struct json *condition,
+ struct ovsdb_table_schema *table,
+ struct json *monitor_requests,
+ struct monitored_table **mts,
+ size_t *n_mts, size_t *allocated_mts)
+{
+ struct json *monitor_request_array, *mr;
+ struct monitored_table *mt;
+
+ if (*n_mts >= *allocated_mts) {
+ *mts = x2nrealloc(*mts, allocated_mts, sizeof **mts);
+ }
+ mt = &(*mts)[(*n_mts)++];
+ mt->table = table;
+ ovsdb_column_set_init(&mt->columns);
+
+ monitor_request_array = json_array_create_empty();
+ if (argc > 1) {
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ mr = parse_monitor_columns(argv[i], server, database, table,
+ &mt->columns);
+ if (i == 1 && condition) {
+ json_object_put(mr, "where", condition);
}
+ json_array_add(monitor_request_array, mr);
+ }
+ } else {
+ /* Allocate a writable empty string since parse_monitor_columns()
+ * is going to strtok() it and that's risky with literal "". */
+ char empty[] = "";
+
+ mr = parse_monitor_columns(empty, server, database,
+ table, &mt->columns);
+ if (condition) {
+ json_object_put(mr, "where", condition);
}
+ json_array_add(monitor_request_array, mr);
+ }
+
+ json_object_put(monitor_requests, table->name, monitor_request_array);
+}
+
+static void
+destroy_monitored_table(struct monitored_table *mts, size_t n)
+{
+ int i;
+
+ for (i = 0; i < n; i++) {
+ struct monitored_table *mt = &mts[i];
+ ovsdb_column_set_destroy(&mt->columns);
+ }
+
+ free(mts);
+}
+
+static void
+do_monitor__(struct jsonrpc *rpc, const char *database,
+ enum ovsdb_monitor_version version,
+ int argc, char *argv[], struct json *condition,
+ const struct uuid *last_id)
+{
+ const char *server = jsonrpc_get_name(rpc);
+ const char *table_name = argv[0];
+ struct unixctl_server *unixctl;
+ struct ovsdb_schema *schema;
+ struct json *monitor, *monitor_requests, *request_id;
+ bool exiting = false;
+ bool blocked = false;
+
+ struct monitored_table *mts;
+ size_t n_mts, allocated_mts;
+
+ ovs_assert(version < OVSDB_MONITOR_VERSION_MAX);
+
+ daemon_save_fd(STDOUT_FILENO);
+ daemon_save_fd(STDERR_FILENO);
+ daemonize_start(false);
+ if (get_detach()) {
+ int error;
+
+ error = unixctl_server_create(NULL, &unixctl);
+ if (error) {
+ ovs_fatal(error, "failed to create unixctl server");
+ }
+
+ unixctl_command_register("exit", "", 0, 0,
+ ovsdb_client_exit, &exiting);
+ unixctl_command_register("ovsdb-client/block", "", 0, 0,
+ ovsdb_client_block, &blocked);
+ unixctl_command_register("ovsdb-client/unblock", "", 0, 0,
+ ovsdb_client_unblock, &blocked);
+ unixctl_command_register("ovsdb-client/cond_change", "TABLE COND", 2, 2,
+ ovsdb_client_cond_change, rpc);
+ } else {
+ unixctl = NULL;
+ }
+
+ schema = fetch_schema(rpc, database);
+
+ monitor_requests = json_object_create();
+
+ mts = NULL;
+ n_mts = allocated_mts = 0;
+ if (strcmp(table_name, "ALL")) {
+ struct ovsdb_table_schema *table;
+
+ table = shash_find_data(&schema->tables, table_name);
+ if (!table) {
+ ovs_fatal(0, "%s: %s does not have a table named \"%s\"",
+ server, database, table_name);
+ }
+
+ add_monitored_table(argc, argv, server, database, condition, table,
+ monitor_requests, &mts, &n_mts, &allocated_mts);
+ } else {
+ size_t n = shash_count(&schema->tables);
+ const struct shash_node **nodes = shash_sort(&schema->tables);
+ size_t i;
+
+ if (condition) {
+ ovs_fatal(0, "ALL tables are not allowed with condition");
+ }
+
+ for (i = 0; i < n; i++) {
+ struct ovsdb_table_schema *table = nodes[i]->data;
+
+ add_monitored_table(argc, argv, server, database, NULL, table,
+ monitor_requests,
+ &mts, &n_mts, &allocated_mts);
+ }
+ free(nodes);
+ }
+
+ send_db_change_aware(rpc);
+
+ monitor = json_array_create_3(json_string_create(database),
+ json_null_create(), monitor_requests);
+ const char *method;
+ switch (version) {
+ case OVSDB_MONITOR_V1:
+ method = "monitor";
+ break;
+ case OVSDB_MONITOR_V2:
+ method = "monitor_cond";
+ break;
+ case OVSDB_MONITOR_V3:
+ method = "monitor_cond_since";
+ struct json *json_last_id = json_string_create_nocopy(
+ xasprintf(UUID_FMT, UUID_ARGS(last_id)));
+ json_array_add(monitor, json_last_id);
+ break;
+ case OVSDB_MONITOR_VERSION_MAX:
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ struct jsonrpc_msg *request;
+ request = jsonrpc_create_request(method, monitor, NULL);
+ request_id = json_clone(request->id);
+ jsonrpc_send(rpc, request);
+
+ for (;;) {
+ unixctl_server_run(unixctl);
+ while (!blocked) {
+ struct jsonrpc_msg *msg;
+ int error;
+
+ error = jsonrpc_recv(rpc, &msg);
+ if (error == EAGAIN) {
+ break;
+ } else if (error) {
+ ovs_fatal(error, "%s: receive failed", server);
+ }
+
+ if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
+ jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params),
+ msg->id));
+ } else if (msg->type == JSONRPC_REPLY
+ && json_equal(msg->id, request_id)) {
+ switch(version) {
+ case OVSDB_MONITOR_V1:
+ monitor_print(msg->result, mts, n_mts, true);
+ break;
+ case OVSDB_MONITOR_V2:
+ monitor2_print(msg->result, mts, n_mts);
+ break;
+ case OVSDB_MONITOR_V3:
+ monitor3_print(msg->result, mts, n_mts);
+ break;
+ case OVSDB_MONITOR_VERSION_MAX:
+ default:
+ OVS_NOT_REACHED();
+ }
+ fflush(stdout);
+ daemonize_complete();
+ } else if (msg->type == JSONRPC_NOTIFY
+ && !strcmp(msg->method, "update")) {
+ struct json *params = msg->params;
+ if (params->type == JSON_ARRAY
+ && params->array.n == 2
+ && params->array.elems[0]->type == JSON_NULL) {
+ monitor_print(params->array.elems[1], mts, n_mts, false);
+ fflush(stdout);
+ }
+ } else if (msg->type == JSONRPC_NOTIFY
+ && version == OVSDB_MONITOR_V2
+ && !strcmp(msg->method, "update2")) {
+ struct json *params = msg->params;
+ if (params->type == JSON_ARRAY
+ && params->array.n == 2
+ && params->array.elems[0]->type == JSON_NULL) {
+ monitor2_print(params->array.elems[1], mts, n_mts);
+ fflush(stdout);
+ }
+ } else if (msg->type == JSONRPC_NOTIFY
+ && version == OVSDB_MONITOR_V3
+ && !strcmp(msg->method, "update3")) {
+ struct json *params = msg->params;
+ if (params->type == JSON_ARRAY
+ && params->array.n == 3
+ && params->array.elems[0]->type == JSON_NULL) {
+ monitor3_notify_print(json_string(params->array.elems[1]),
+ params->array.elems[2], mts, n_mts);
+ fflush(stdout);
+ }
+ } else if (msg->type == JSONRPC_NOTIFY
+ && !strcmp(msg->method, "monitor_canceled")) {
+ ovs_fatal(0, "%s: %s database was removed",
+ server, database);
+ }
+ jsonrpc_msg_destroy(msg);
+ }
+
+ if (exiting) {
+ break;
+ }
+
+ jsonrpc_run(rpc);
+ jsonrpc_wait(rpc);
+ if (!blocked) {
+ jsonrpc_recv_wait(rpc);
+ }
+ unixctl_server_wait(unixctl);
+ poll_block();
+ }
+
+ json_destroy(request_id);
+ unixctl_server_destroy(unixctl);
+ ovsdb_schema_destroy(schema);
+ destroy_monitored_table(mts, n_mts);
+}
+
+static void
+do_monitor(struct jsonrpc *rpc, const char *database,
+ int argc, char *argv[])
+{
+ do_monitor__(rpc, database, OVSDB_MONITOR_V1, argc, argv, NULL, NULL);
+}
+
+static void
+do_monitor_cond__(struct jsonrpc *rpc, const char *database,
+ enum ovsdb_monitor_version version,
+ struct uuid *last_id, int argc, char *argv[])
+{
+ struct ovsdb_condition cnd;
+ struct json *condition = NULL;
+ struct ovsdb_schema *schema;
+ struct ovsdb_table_schema *table;
+ const char *table_name = argv[1];
+
+ ovs_assert(argc > 1);
+ schema = fetch_schema(rpc, database);
+ table = shash_find_data(&schema->tables, table_name);
+ if (!table) {
+ ovs_fatal(0, "%s does not have a table named \"%s\"",
+ database, table_name);
+ }
+ condition = parse_json(argv[0]);
+ check_ovsdb_error(ovsdb_condition_from_json(table, condition,
+ NULL, &cnd));
+ ovsdb_condition_destroy(&cnd);
+ do_monitor__(rpc, database, version, --argc, ++argv, condition,
+ last_id);
+ ovsdb_schema_destroy(schema);
+}
+
+static void
+do_monitor_cond(struct jsonrpc *rpc, const char *database,
+ int argc, char *argv[])
+{
+ do_monitor_cond__(rpc, database, OVSDB_MONITOR_V2, NULL, argc, argv);
+}
+
+static void
+do_monitor_cond_since(struct jsonrpc *rpc, const char *database,
+ int argc, char *argv[])
+{
+ ovs_assert(argc > 1);
+ struct uuid last_id;
+ if (uuid_from_string(&last_id, argv[0])) {
+ argc--;
+ argv++;
+ }
+ do_monitor_cond__(rpc, database, OVSDB_MONITOR_V3, &last_id, argc, argv);
+}
+
+static bool
+is_database_clustered(struct jsonrpc *rpc, const char *database)
+{
+ struct jsonrpc_msg *reply;
+ check_txn(jsonrpc_transact_block(rpc,
+ create_database_info_request(database),
+ &reply), &reply);
+
+ const struct json *row = parse_database_info_reply(
+ reply, jsonrpc_get_name(rpc), database, NULL);
+ bool clustered = !strcmp(parse_string_column(row, "model"), "clustered");
+ jsonrpc_msg_destroy(reply);
+ return clustered;
+}
+
+static void
+do_convert(struct jsonrpc *rpc, const char *database_ OVS_UNUSED,
+ int argc, char *argv[])
+{
+ const char *schema_file_name = argv[argc - 1];
+ struct ovsdb_schema *new_schema;
+ check_ovsdb_error(ovsdb_schema_from_file(schema_file_name, &new_schema));
+
+ char *database = new_schema->name;
+ open_rpc(1, NEED_DATABASE, argc, argv, &rpc, &database);
- select = json_object_create();
- json_object_put(select, "initial", json_boolean_create(initial));
- json_object_put(select, "insert", json_boolean_create(insert));
- json_object_put(select, "delete", json_boolean_create(delete));
- json_object_put(select, "modify", json_boolean_create(modify));
- } else {
- select = NULL;
+ if (is_database_clustered(rpc, database)) {
+ ovsdb_schema_persist_ephemeral_columns(new_schema, schema_file_name);
}
- monitor_request = json_object_create();
- json_object_put(monitor_request,
- "columns", ovsdb_column_set_to_json(&columns));
- if (select) {
- json_object_put(monitor_request, "select", select);
- }
+ send_db_change_aware(rpc);
- monitor_requests = json_object_create();
- json_object_put(monitor_requests, table_name, monitor_request);
+ struct jsonrpc_msg *request, *reply;
+ request = jsonrpc_create_request(
+ "convert",
+ json_array_create_2(json_string_create(new_schema->name),
+ ovsdb_schema_to_json(new_schema)), NULL);
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
+ jsonrpc_msg_destroy(reply);
+ ovsdb_schema_destroy(new_schema);
+ jsonrpc_close(rpc);
+}
- monitor = json_array_create_3(json_string_create(database),
- json_null_create(), monitor_requests);
- request = jsonrpc_create_request("monitor", monitor, NULL);
- request_id = json_clone(request->id);
- jsonrpc_send(rpc, request);
- for (;;) {
- struct jsonrpc_msg *msg;
- int error;
+static void
+do_needs_conversion(struct jsonrpc *rpc, const char *database_ OVS_UNUSED,
+ int argc OVS_UNUSED, char *argv[])
+{
+ struct ovsdb_schema *schema1;
+ check_ovsdb_error(ovsdb_schema_from_file(argv[0], &schema1));
- error = jsonrpc_recv_block(rpc, &msg);
- if (error) {
- ovsdb_schema_destroy(schema);
- ovs_fatal(error, "%s: receive failed", server);
- }
+ char *database = schema1->name;
+ open_rpc(1, NEED_DATABASE, argc, argv, &rpc, &database);
- if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
- jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params),
- msg->id));
- } else if (msg->type == JSONRPC_REPLY
- && json_equal(msg->id, request_id)) {
- monitor_print(msg->result, table, &columns, true);
- fflush(stdout);
- if (get_detach()) {
- /* daemonize() closes the standard file descriptors. We output
- * to stdout, so we need to save and restore STDOUT_FILENO. */
- int fd = dup(STDOUT_FILENO);
- daemonize();
- dup2(fd, STDOUT_FILENO);
- close(fd);
- }
- } else if (msg->type == JSONRPC_NOTIFY
- && !strcmp(msg->method, "update")) {
- struct json *params = msg->params;
- if (params->type == JSON_ARRAY
- && params->u.array.n == 2
- && params->u.array.elems[0]->type == JSON_NULL) {
- monitor_print(params->u.array.elems[1],
- table, &columns, false);
- fflush(stdout);
- }
- }
- jsonrpc_msg_destroy(msg);
+ if (is_database_clustered(rpc, database)) {
+ ovsdb_schema_persist_ephemeral_columns(schema1, argv[0]);
}
+
+ struct ovsdb_schema *schema2 = fetch_schema(rpc, schema1->name);
+ puts(ovsdb_schema_equal(schema1, schema2) ? "no" : "yes");
+ ovsdb_schema_destroy(schema1);
+ ovsdb_schema_destroy(schema2);
+ jsonrpc_close(rpc);
}
struct dump_table_aux {
aux->data[b_y] = tmp;
}
-static char *
-format_data(const struct ovsdb_datum *datum, const struct ovsdb_type *type)
-{
- if (data_format == DF_JSON) {
- struct json *json = ovsdb_datum_to_json(datum, type);
- char *s = json_to_string(json, JSSF_SORT);
- json_destroy(json);
- return s;
- } else if (data_format == DF_STRING) {
- struct ds s;
-
- ds_init(&s);
- ovsdb_datum_to_string(datum, type, &s);
- return ds_steal_cstr(&s);
- } else {
- NOT_REACHED();
- }
-}
-
static int
compare_columns(const void *a_, const void *b_)
{
}
static void
-dump_table(const struct ovsdb_table_schema *ts, struct json_array *rows)
+dump_table(const char *table_name, const struct shash *cols,
+ struct json_array *rows)
{
const struct ovsdb_column **columns;
size_t n_columns;
size_t x, y;
/* Sort columns by name, for reproducibility. */
- columns = xmalloc(shash_count(&ts->columns) * sizeof *columns);
+ columns = xmalloc(shash_count(cols) * sizeof *columns);
n_columns = 0;
- SHASH_FOR_EACH (node, &ts->columns) {
+ SHASH_FOR_EACH (node, cols) {
struct ovsdb_column *column = node->data;
if (strcmp(column->name, "_version")) {
columns[n_columns++] = column;
struct shash *row;
if (rows->elems[y]->type != JSON_OBJECT) {
- ovs_fatal(0, "row %zu in table %s response is not a JSON object: "
- "%s", y, ts->name, json_to_string(rows->elems[y], 0));
+ ovs_fatal(0, "row %"PRIuSIZE" in table %s response is not a JSON object: "
+ "%s", y, table_name, json_to_string(rows->elems[y], 0));
}
row = json_object(rows->elems[y]);
for (x = 0; x < n_columns; x++) {
const struct json *json = shash_find_data(row, columns[x]->name);
if (!json) {
- ovs_fatal(0, "row %zu in table %s response lacks %s column",
- y, ts->name, columns[x]->name);
+ ovs_fatal(0, "row %"PRIuSIZE" in table %s response lacks %s column",
+ y, table_name, columns[x]->name);
}
- check_ovsdb_error(ovsdb_datum_from_json(&data[y][x],
- &columns[x]->type,
- json, NULL));
+ check_ovsdb_error(ovsdb_unconstrained_datum_from_json(
+ &data[y][x], &columns[x]->type, json));
}
}
/* Add column headings. */
table_init(&t);
- table_set_caption(&t, xasprintf("%s table", ts->name));
+ table_set_caption(&t, xasprintf("%s table", table_name));
for (x = 0; x < n_columns; x++) {
table_add_column(&t, "%s", columns[x]->name);
}
for (y = 0; y < rows->n; y++) {
table_add_row(&t);
for (x = 0; x < n_columns; x++) {
- table_add_cell_nocopy(&t, format_data(&data[y][x],
- &columns[x]->type));
+ struct cell *cell = table_add_cell(&t);
+ cell->json = ovsdb_datum_to_json(&data[y][x], &columns[x]->type);
+ cell->type = &columns[x]->type;
+ ovsdb_datum_destroy(&data[y][x], &columns[x]->type);
}
+ free(data[y]);
}
- table_print(&t);
+ table_print(&t, &table_style);
table_destroy(&t);
+
+ free(data);
+ free(columns);
}
static void
-do_dump(int argc OVS_UNUSED, char *argv[])
+do_dump(struct jsonrpc *rpc, const char *database,
+ int argc, char *argv[])
{
- const char *server = argv[1];
- const char *database = argv[2];
-
struct jsonrpc_msg *request, *reply;
struct ovsdb_schema *schema;
struct json *transaction;
- struct jsonrpc *rpc;
- int error;
- const struct shash_node **tables;
+ const struct shash_node *node, **tables;
size_t n_tables;
+ struct ovsdb_table_schema *tschema;
+ const struct shash *columns;
+ struct shash custom_columns;
size_t i;
- rpc = open_jsonrpc(server);
-
- schema = fetch_schema_from_rpc(rpc, database);
- tables = shash_sort(&schema->tables);
- n_tables = shash_count(&schema->tables);
+ shash_init(&custom_columns);
+ schema = fetch_schema(rpc, database);
+ if (argc) {
+ node = shash_find(&schema->tables, argv[0]);
+ if (!node) {
+ ovs_fatal(0, "No table \"%s\" found.", argv[0]);
+ }
+ tables = xmemdup(&node, sizeof node);
+ n_tables = 1;
+ tschema = tables[0]->data;
+ for (i = 1; i < argc; i++) {
+ node = shash_find(&tschema->columns, argv[i]);
+ if (!node) {
+ ovs_fatal(0, "Table \"%s\" has no column %s.", argv[0], argv[i]);
+ }
+ shash_add(&custom_columns, argv[i], node->data);
+ }
+ } else {
+ tables = shash_sort(&schema->tables);
+ n_tables = shash_count(&schema->tables);
+ }
/* Construct transaction to retrieve entire database. */
transaction = json_array_create_1(json_string_create(database));
for (i = 0; i < n_tables; i++) {
const struct ovsdb_table_schema *ts = tables[i]->data;
- struct json *op, *columns;
- struct shash_node *node;
+ struct json *op, *jcolumns;
- columns = json_array_create_empty();
- SHASH_FOR_EACH (node, &ts->columns) {
+ if (argc > 1) {
+ columns = &custom_columns;
+ } else {
+ columns = &ts->columns;
+ }
+ jcolumns = json_array_create_empty();
+ SHASH_FOR_EACH (node, columns) {
const struct ovsdb_column *column = node->data;
if (strcmp(column->name, "_version")) {
- json_array_add(columns, json_string_create(column->name));
+ json_array_add(jcolumns, json_string_create(column->name));
}
}
json_object_put_string(op, "op", "select");
json_object_put_string(op, "table", tables[i]->name);
json_object_put(op, "where", json_array_create_empty());
- json_object_put(op, "columns", columns);
+ json_object_put(op, "columns", jcolumns);
json_array_add(transaction, op);
}
/* Send request, get reply. */
request = jsonrpc_create_request("transact", transaction, NULL);
- error = jsonrpc_transact_block(rpc, request, &reply);
- if (error) {
- ovs_fatal(error, "transaction failed");
- }
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
/* Print database contents. */
if (reply->result->type != JSON_ARRAY
- || reply->result->u.array.n != n_tables) {
- ovs_fatal(0, "reply is not array of %zu elements: %s",
+ || reply->result->array.n != n_tables) {
+ ovs_fatal(0, "reply is not array of %"PRIuSIZE" elements: %s",
n_tables, json_to_string(reply->result, 0));
}
for (i = 0; i < n_tables; i++) {
const struct ovsdb_table_schema *ts = tables[i]->data;
- const struct json *op_result = reply->result->u.array.elems[i];
+ const struct json *op_result = reply->result->array.elems[i];
struct json *rows;
if (op_result->type != JSON_OBJECT
ts->name, json_to_string(op_result, 0));
}
- dump_table(ts, &rows->u.array);
+ if (argc > 1) {
+ dump_table(tables[i]->name, &custom_columns, &rows->array);
+ } else {
+ dump_table(tables[i]->name, &ts->columns, &rows->array);
+ }
+ }
+
+ jsonrpc_msg_destroy(reply);
+ shash_destroy(&custom_columns);
+ free(tables);
+ ovsdb_schema_destroy(schema);
+}
+
+static void
+print_and_free_log_record(struct json *record)
+{
+ struct ds header = DS_EMPTY_INITIALIZER;
+ struct ds data = DS_EMPTY_INITIALIZER;
+ ovsdb_log_compose_record(record, OVSDB_MAGIC, &header, &data);
+ fwrite(header.string, header.length, 1, stdout);
+ fwrite(data.string, data.length, 1, stdout);
+ ds_destroy(&data);
+ ds_destroy(&header);
+ json_destroy(record);
+}
+
+static void
+set_binary_mode(FILE *stream OVS_UNUSED)
+{
+#ifdef _WIN32
+ fflush(stream);
+ /* On Windows set binary mode on the file descriptor to avoid
+ * translation (i.e. CRLF line endings). */
+ if (_setmode(_fileno(stream), O_BINARY) == -1) {
+ ovs_fatal(errno, "could not set binary mode on fd %d",
+ _fileno(stream));
+ }
+#endif
+}
+
+static void
+do_backup(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ if (isatty(STDOUT_FILENO)) {
+ ovs_fatal(0, "not writing backup to a terminal; "
+ "please redirect stdout to a file");
+ }
+ set_binary_mode(stdout);
+
+ /* Get schema. */
+ struct ovsdb_schema *schema = fetch_schema(rpc, database);
+
+ /* Construct transaction to retrieve all tables. */
+ struct json *txn = json_array_create_1(json_string_create(database));
+ struct shash_node *node;
+ SHASH_FOR_EACH (node, &schema->tables) {
+ const char *table_name = node->name;
+ const struct ovsdb_table_schema *table = node->data;
+
+ /* Get all the columns except _version and the ephemeral ones.
+ *
+ * We don't omit tables that only have ephemeral columns because of the
+ * possibility that other tables references rows in those tables; that
+ * is, even if all the columns are ephemeral, the rows themselves are
+ * not. */
+ struct json *columns = json_array_create_empty();
+ struct shash_node *node2;
+ SHASH_FOR_EACH (node2, &table->columns) {
+ const struct ovsdb_column *column = node2->data;
+
+ if (column->persistent) {
+ if (!columns) {
+ columns = json_array_create_empty();
+ }
+ json_array_add(columns, json_string_create(column->name));
+ }
+ }
+
+ struct json *op = json_object_create();
+ json_object_put_string(op, "op", "select");
+ json_object_put_string(op, "table", table_name);
+ json_object_put(op, "where", json_array_create_empty());
+ json_object_put(op, "columns", columns);
+ json_array_add(txn, op);
+ }
+
+ /* Send request, get reply. */
+ struct jsonrpc_msg *rq = jsonrpc_create_request("transact", txn, NULL);
+ struct jsonrpc_msg *reply;
+ check_txn(jsonrpc_transact_block(rpc, rq, &reply), &reply);
+
+ /* Print schema record. */
+ print_and_free_log_record(ovsdb_schema_to_json(schema));
+
+ /* Print database transaction record. */
+ if (reply->result->type != JSON_ARRAY
+ || reply->result->array.n != shash_count(&schema->tables)) {
+ ovs_fatal(0, "reply is not array of %"PRIuSIZE" elements: %s",
+ shash_count(&schema->tables),
+ json_to_string(reply->result, 0));
+ }
+ struct json *output_txn = json_object_create();
+
+ size_t i = 0;
+ SHASH_FOR_EACH (node, &schema->tables) {
+ const char *table_name = node->name;
+ const struct ovsdb_table_schema *table = node->data;
+ const struct json *op_result = reply->result->array.elems[i++];
+ struct json *rows;
+
+ if (op_result->type != JSON_OBJECT
+ || !(rows = shash_find_data(json_object(op_result), "rows"))
+ || rows->type != JSON_ARRAY) {
+ ovs_fatal(0, "%s table reply is not an object with a \"rows\" "
+ "member array: %s",
+ table->name, json_to_string(op_result, 0));
+ }
+
+ if (!rows->array.n) {
+ continue;
+ }
+
+ struct json *output_rows = json_object_create();
+ for (size_t j = 0; j < rows->array.n; j++) {
+ struct json *row = rows->array.elems[j];
+ if (row->type != JSON_OBJECT) {
+ ovs_fatal(0, "%s table reply row is not an object: %s",
+ table_name, json_to_string(row, 0));
+ }
+
+ struct json *uuid_json = shash_find_and_delete(json_object(row),
+ "_uuid");
+ if (!uuid_json) {
+ ovs_fatal(0, "%s table reply row lacks _uuid member: %s",
+ table_name, json_to_string(row, 0));
+ }
+
+ const struct ovsdb_base_type uuid_base = OVSDB_BASE_UUID_INIT;
+ union ovsdb_atom atom;
+ check_ovsdb_error(ovsdb_atom_from_json(&atom, &uuid_base,
+ uuid_json, NULL));
+
+ char uuid_s[UUID_LEN + 1];
+ snprintf(uuid_s, sizeof uuid_s, UUID_FMT, UUID_ARGS(&atom.uuid));
+ json_object_put(output_rows, uuid_s, json_clone(row));
+ json_destroy(uuid_json);
+ }
+ json_object_put(output_txn, table_name, output_rows);
+ }
+ output_txn = ovsdb_file_txn_annotate(
+ output_txn, "produced by \"ovsdb-client backup\"");
+ print_and_free_log_record(output_txn);
+
+ ovsdb_schema_destroy(schema);
+ jsonrpc_msg_destroy(reply);
+}
+
+static void
+check_transaction_reply(struct jsonrpc_msg *reply)
+{
+ if (reply->result->type != JSON_ARRAY) {
+ ovs_fatal(0, "result is not array");
+ }
+ for (size_t i = 0; i < json_array(reply->result)->n; i++) {
+ struct json *json = json_array(reply->result)->elems[i];
+ if (json->type != JSON_OBJECT) {
+ ovs_fatal(0, "result array element is not object");
+ }
+ struct shash *object = json_object(json);
+ if (shash_find(object, "error")) {
+ ovs_fatal(0, "server returned error reply: %s",
+ json_to_string(json, JSSF_SORT));
+ }
+ }
+}
+
+static void
+do_restore(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ if (isatty(STDIN_FILENO)) {
+ ovs_fatal(0, "not reading backup from a terminal; "
+ "please redirect stdin from a file");
+ }
+ set_binary_mode(stdin);
+
+ struct ovsdb *backup = ovsdb_file_read("/dev/stdin", false);
+ ovsdb_storage_close(backup->storage);
+ backup->storage = NULL;
+
+ struct ovsdb_schema *online_schema = fetch_schema(rpc, database);
+ if (!ovsdb_schema_equal(backup->schema, online_schema)) {
+ struct ds s = DS_EMPTY_INITIALIZER;
+ if (strcmp(backup->schema->version, online_schema->version)) {
+ ds_put_format(&s, "backup schema has version \"%s\" but "
+ "database schema has version \"%s\"",
+ backup->schema->version, online_schema->version);
+ } else {
+ ds_put_format(&s, "backup schema and database schema are "
+ "both version %s but still differ",
+ backup->schema->version);
+ }
+ if (!force) {
+ ovs_fatal(0, "%s (use --force to override differences, or "
+ "\"ovsdb-client convert\" to change the schema)",
+ ds_cstr(&s));
+ }
+ VLOG_INFO("%s", ds_cstr(&s));
+ ds_destroy(&s);
+ }
+ ovsdb_schema_destroy(online_schema);
+
+ struct json *txn = json_array_create_empty();
+ json_array_add(txn, json_string_create(backup->schema->name));
+ struct shash_node *node;
+ SHASH_FOR_EACH (node, &backup->tables) {
+ const char *table_name = node->name;
+ struct ovsdb_table *table = node->data;
+
+ struct json *del_op = json_object_create();
+ json_object_put_string(del_op, "op", "delete");
+ json_object_put_string(del_op, "table", table_name);
+ json_object_put(del_op, "where", json_array_create_empty());
+ json_array_add(txn, del_op);
+
+ const struct ovsdb_row *row;
+ HMAP_FOR_EACH (row, hmap_node, &table->rows) {
+ struct json *ins_op = json_object_create();
+ json_object_put_string(ins_op, "op", "insert");
+ json_object_put_string(ins_op, "table", table_name);
+ json_object_put(ins_op, "uuid-name",
+ json_string_create_nocopy(
+ ovsdb_data_row_name(ovsdb_row_get_uuid(row))));
+ struct json *row_json = json_object_create();
+ json_object_put(ins_op, "row", row_json);
+
+ struct shash_node *node2;
+ SHASH_FOR_EACH (node2, &table->schema->columns) {
+ const struct ovsdb_column *column = node2->data;
+ const struct ovsdb_datum *datum = &row->fields[column->index];
+ const struct ovsdb_type *type = &column->type;
+ if (column->persistent
+ && column->index >= OVSDB_N_STD_COLUMNS
+ && !ovsdb_datum_is_default(datum, type)) {
+ struct json *value = ovsdb_datum_to_json_with_row_names(
+ datum, type);
+ json_object_put(row_json, column->name, value);
+ }
+ }
+ json_array_add(txn, ins_op);
+ }
}
+ ovsdb_destroy(backup);
+ struct jsonrpc_msg *rq = jsonrpc_create_request("transact", txn, NULL);
+ struct jsonrpc_msg *reply;
+ check_txn(jsonrpc_transact_block(rpc, rq, &reply), &reply);
+ check_transaction_reply(reply);
+ jsonrpc_msg_destroy(reply);
}
+
static void
-do_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+do_help(struct jsonrpc *rpc OVS_UNUSED, const char *database OVS_UNUSED,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
usage();
}
-static const struct command all_commands[] = {
- { "list-dbs", 1, 1, do_list_dbs },
- { "get-schema", 2, 2, do_get_schema },
- { "list-tables", 2, 2, do_list_tables },
- { "list-columns", 2, 3, do_list_columns },
- { "transact", 2, 2, do_transact },
- { "monitor", 3, 5, do_monitor },
- { "dump", 2, 2, do_dump },
- { "help", 0, INT_MAX, do_help },
- { NULL, 0, 0, NULL },
+\f
+/* "lock" command. */
+
+struct ovsdb_client_lock_req {
+ const char *method;
+ char *lock;
+};
+
+static void
+lock_req_init(struct ovsdb_client_lock_req *lock_req,
+ const char *method, const char *lock_name)
+{
+ if (lock_req->method || lock_req->lock) {
+ return;
+ }
+ lock_req->method = method;
+ lock_req->lock = xstrdup(lock_name);
+}
+
+static bool
+lock_req_is_set(struct ovsdb_client_lock_req *lock_req)
+{
+ return lock_req->method;
+}
+
+static void
+lock_req_destroy(struct ovsdb_client_lock_req *lock_req)
+{
+ free(lock_req->lock);
+ lock_req->method = NULL;
+ lock_req->lock = NULL;
+}
+
+/* Create a lock class request. Caller is responsible for free
+ * the 'request' message. */
+static struct jsonrpc_msg *
+create_lock_request(struct ovsdb_client_lock_req *lock_req)
+{
+ struct json *locks, *lock;
+
+ locks = json_array_create_empty();
+ lock = json_string_create(lock_req->lock);
+ json_array_add(locks, lock);
+
+ return jsonrpc_create_request(lock_req->method, locks, NULL);
+}
+
+static void
+ovsdb_client_lock(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[], void *lock_req_)
+{
+ struct ovsdb_client_lock_req *lock_req = lock_req_;
+ lock_req_init(lock_req, "lock", argv[1]);
+ unixctl_command_reply(conn, NULL);
+}
+
+static void
+ovsdb_client_unlock(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[], void *lock_req_)
+{
+ struct ovsdb_client_lock_req *lock_req = lock_req_;
+ lock_req_init(lock_req, "unlock", argv[1]);
+ unixctl_command_reply(conn, NULL);
+}
+
+static void
+ovsdb_client_steal(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[], void *lock_req_)
+{
+ struct ovsdb_client_lock_req *lock_req = lock_req_;
+ lock_req_init(lock_req, "steal", argv[1]);
+ unixctl_command_reply(conn, NULL);
+}
+
+static void
+do_lock(struct jsonrpc *rpc, const char *method, const char *lock)
+{
+ struct ovsdb_client_lock_req lock_req = {NULL, NULL};
+ struct unixctl_server *unixctl;
+ struct jsonrpc_msg *request;
+ struct json *request_id = NULL;
+ bool exiting = false;
+ bool enable_lock_request = true; /* Don't send another request before
+ getting a reply of the previous
+ request. */
+ daemon_save_fd(STDOUT_FILENO);
+ daemonize_start(false);
+ lock_req_init(&lock_req, method, lock);
+
+ if (get_detach()) {
+ int error;
+
+ error = unixctl_server_create(NULL, &unixctl);
+ if (error) {
+ ovs_fatal(error, "failed to create unixctl server");
+ }
+
+ unixctl_command_register("unlock", "LOCK", 1, 1,
+ ovsdb_client_unlock, &lock_req);
+ unixctl_command_register("steal", "LOCK", 1, 1,
+ ovsdb_client_steal, &lock_req);
+ unixctl_command_register("lock", "LOCK", 1, 1,
+ ovsdb_client_lock, &lock_req);
+ unixctl_command_register("exit", "", 0, 0,
+ ovsdb_client_exit, &exiting);
+ } else {
+ unixctl = NULL;
+ }
+
+ for (;;) {
+ struct jsonrpc_msg *msg;
+ int error;
+
+ unixctl_server_run(unixctl);
+ if (enable_lock_request && lock_req_is_set(&lock_req)) {
+ request = create_lock_request(&lock_req);
+ request_id = json_clone(request->id);
+ jsonrpc_send(rpc, request);
+ lock_req_destroy(&lock_req);
+ }
+
+ error = jsonrpc_recv(rpc, &msg);
+ if (error == EAGAIN) {
+ goto no_msg;
+ } else if (error) {
+ ovs_fatal(error, "%s: receive failed", jsonrpc_get_name(rpc));
+ }
+
+ if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
+ jsonrpc_send(rpc, jsonrpc_create_reply(json_clone(msg->params),
+ msg->id));
+ } else if (msg->type == JSONRPC_REPLY
+ && json_equal(msg->id, request_id)) {
+ print_json(msg->result);
+ fflush(stdout);
+ enable_lock_request = true;
+ json_destroy(request_id);
+ request_id = NULL;
+ daemonize_complete();
+ } else if (msg->type == JSONRPC_NOTIFY) {
+ puts(msg->method);
+ print_json(msg->params);
+ fflush(stdout);
+ }
+
+ jsonrpc_msg_destroy(msg);
+
+no_msg:
+ if (exiting) {
+ break;
+ }
+
+ jsonrpc_run(rpc);
+ jsonrpc_wait(rpc);
+ jsonrpc_recv_wait(rpc);
+
+ unixctl_server_wait(unixctl);
+ poll_block();
+ }
+
+ json_destroy(request_id);
+ unixctl_server_destroy(unixctl);
+}
+
+static void
+do_lock_create(struct jsonrpc *rpc, const char *database OVS_UNUSED,
+ int argc OVS_UNUSED, char *argv[])
+{
+ do_lock(rpc, "lock", argv[0]);
+}
+
+static void
+do_lock_steal(struct jsonrpc *rpc, const char *database OVS_UNUSED,
+ int argc OVS_UNUSED, char *argv[])
+{
+ do_lock(rpc, "steal", argv[0]);
+}
+
+static void
+do_lock_unlock(struct jsonrpc *rpc, const char *database OVS_UNUSED,
+ int argc OVS_UNUSED, char *argv[])
+{
+ do_lock(rpc, "unlock", argv[0]);
+}
+
+enum ovsdb_client_wait_type {
+ WAIT_CONNECTED,
+ WAIT_ADDED,
+ WAIT_REMOVED
+};
+
+static struct jsonrpc_msg *
+compose_wait_transaction(enum ovsdb_client_wait_type type,
+ const char *database)
+{
+ struct json *txn = json_array_create_empty();
+ json_array_add(txn, json_string_create("_Server"));
+
+ struct json *op = json_object_create();
+ json_array_add(txn, op);
+ json_object_put_string(op, "op", "wait");
+ json_object_put_string(op, "table", "Database");
+ json_object_put(op, "where",
+ json_array_create_1(
+ json_array_create_3(
+ json_string_create("name"),
+ json_string_create("=="),
+ json_string_create(database))));
+
+ if (type == WAIT_CONNECTED) {
+ /* Wait until connected == true. */
+ json_object_put(op, "columns",
+ json_array_create_1(json_string_create("connected")));
+ json_object_put_string(op, "until", "==");
+
+ struct json *row = json_object_create();
+ json_object_put(row, "connected", json_boolean_create(true));
+ json_object_put(op, "rows", json_array_create_1(row));
+ } else {
+ ovs_assert(type == WAIT_ADDED || type == WAIT_REMOVED);
+
+ /* Wait until such a row exists, or not, respectively. */
+ json_object_put(op, "columns", json_array_create_empty());
+ json_object_put_string(op, "until", "==");
+ json_object_put(op, "rows",
+ (type == WAIT_ADDED
+ ? json_array_create_1(json_object_create())
+ : json_array_create_empty()));
+ }
+ return jsonrpc_create_request("transact", txn, NULL);
+}
+
+static void
+do_wait(struct jsonrpc *rpc_unused OVS_UNUSED,
+ const char *database_unused OVS_UNUSED,
+ int argc, char *argv[])
+{
+ const char *database = argv[argc - 2];
+ const char *state = argv[argc - 1];
+
+ enum ovsdb_client_wait_type type;
+ if (!strcmp(state, "connected")) {
+ type = WAIT_CONNECTED;
+ } else if (!strcmp(state, "added")) {
+ type = WAIT_ADDED;
+ } else if (!strcmp(state, "removed")) {
+ type = WAIT_REMOVED;
+ } else {
+ ovs_fatal(0, "%s: unknown state", state);
+ }
+
+ char *remote = argc > 2 ? xstrdup(argv[0]) : default_remote();
+ struct jsonrpc_session *js = jsonrpc_session_open(remote, true);
+ free(remote);
+
+ unsigned int seqno = 0;
+ struct json *sdca_id = NULL;
+ struct json *txn_id = NULL;
+ for (;;) {
+ jsonrpc_session_run(js);
+
+ if (seqno != jsonrpc_session_get_seqno(js)
+ && jsonrpc_session_is_connected(js)) {
+ seqno = jsonrpc_session_get_seqno(js);
+
+ /* Send set_db_change_aware request. */
+ struct jsonrpc_msg *rq = jsonrpc_create_request(
+ "set_db_change_aware",
+ json_array_create_1(json_boolean_create(true)),
+ NULL);
+ json_destroy(sdca_id);
+ sdca_id = json_clone(rq->id);
+ jsonrpc_session_send(js, rq);
+
+ /* Send transaction. */
+ rq = compose_wait_transaction(type, database);
+ json_destroy(txn_id);
+ txn_id = json_clone(rq->id);
+ jsonrpc_session_send(js, rq);
+ }
+
+ struct jsonrpc_msg *reply = jsonrpc_session_recv(js);
+ if (reply && reply->id) {
+ if (sdca_id && json_equal(sdca_id, reply->id)) {
+ if (reply->type == JSONRPC_ERROR) {
+ ovs_error(0, "%s: set_db_change_aware failed (%s)",
+ jsonrpc_session_get_name(js),
+ json_to_string(reply->error, 0));
+ jsonrpc_msg_destroy(reply);
+ exit(EXIT_FAILURE);
+ }
+ } else if (txn_id && json_equal(txn_id, reply->id)) {
+ check_transaction_reply(reply);
+ jsonrpc_msg_destroy(reply);
+ exit(0);
+ }
+ }
+ jsonrpc_msg_destroy(reply);
+
+ jsonrpc_session_recv_wait(js);
+ jsonrpc_session_wait(js);
+ poll_block();
+ }
+}
+
+/* Command handlers may take an optional server socket name (e.g. "unix:...")
+ * and an optional database name (e.g. Open_vSwitch) as their initial
+ * arguments. The NEED_* element indicates what a particular command needs.
+ * These optional arguments should not be included in min_args or max_args, and
+ * they are not included in the argc and argv arguments passed to the handler:
+ * the argv[0] passed to the handler is the first argument after the optional
+ * server socket name. */
+static const struct ovsdb_client_command all_commands[] = {
+ { "list-dbs", NEED_RPC, 0, 0, do_list_dbs },
+ { "get-schema", NEED_DATABASE, 0, 0, do_get_schema },
+ { "get-schema-version", NEED_DATABASE, 0, 0, do_get_schema_version },
+ { "get-schema-cksum", NEED_DATABASE, 0, 0, do_get_schema_cksum },
+ { "list-tables", NEED_DATABASE, 0, 0, do_list_tables },
+ { "list-columns", NEED_DATABASE, 0, 1, do_list_columns },
+ { "transact", NEED_NONE, 1, 2, do_transact },
+ { "query", NEED_NONE, 1, 2, do_query },
+ { "monitor", NEED_DATABASE, 1, INT_MAX, do_monitor },
+ { "monitor-cond", NEED_DATABASE, 2, 3, do_monitor_cond },
+ { "monitor-cond-since", NEED_DATABASE, 2, 4, do_monitor_cond_since },
+ { "wait", NEED_NONE, 2, 3, do_wait },
+ { "convert", NEED_NONE, 1, 2, do_convert },
+ { "needs-conversion", NEED_NONE, 1, 2, do_needs_conversion },
+ { "dump", NEED_DATABASE, 0, INT_MAX, do_dump },
+ { "backup", NEED_DATABASE, 0, 0, do_backup },
+ { "restore", NEED_DATABASE, 0, 0, do_restore },
+ { "lock", NEED_RPC, 1, 1, do_lock_create },
+ { "steal", NEED_RPC, 1, 1, do_lock_steal },
+ { "unlock", NEED_RPC, 1, 1, do_lock_unlock },
+ { "help", NEED_NONE, 0, INT_MAX, do_help },
+
+ { NULL, 0, 0, 0, NULL },
};
+
+static const struct ovsdb_client_command *get_all_commands(void)
+{
+ return all_commands;
+}