/*
- * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 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 <getopt.h>
#include "daemon.h"
#include "dirs.h"
#include "dynamic-string.h"
+#include "fatal-signal.h"
#include "json.h"
#include "jsonrpc.h"
#include "lib/table.h"
#include "ovsdb.h"
#include "ovsdb-data.h"
#include "ovsdb-error.h"
+#include "poll-loop.h"
#include "sort.h"
-#include "sset.h"
+#include "svec.h"
#include "stream.h"
#include "stream-ssl.h"
#include "table.h"
#include "timeval.h"
+#include "unixctl.h"
#include "util.h"
#include "vlog.h"
/* Format for table output. */
static struct table_style table_style = TABLE_STYLE_DEFAULT;
-static const struct ovsdb_client_command all_commands[];
+static const struct ovsdb_client_command *get_all_commands(void);
static void usage(void) NO_RETURN;
static void parse_options(int argc, char *argv[]);
static struct jsonrpc *open_jsonrpc(const char *server);
-static void fetch_dbs(struct jsonrpc *, struct sset *dbs);
+static void fetch_dbs(struct jsonrpc *, struct svec *dbs);
int
main(int argc, char *argv[])
proctitle_init(argc, argv);
set_program_name(argv[0]);
parse_options(argc, argv);
- signal(SIGPIPE, SIG_IGN);
+ fatal_ignore_sigpipe();
if (optind >= argc) {
ovs_fatal(0, "missing command name; use --help for help");
}
- for (command = all_commands; ; command++) {
+ for (command = get_all_commands(); ; command++) {
if (!command->name) {
VLOG_FATAL("unknown command '%s'; use --help for help",
argv[optind]);
}
if (command->need == NEED_DATABASE) {
- struct sset dbs;
+ struct svec dbs;
- sset_init(&dbs);
+ svec_init(&dbs);
fetch_dbs(rpc, &dbs);
if (argc - optind > command->min_args
- && sset_contains(&dbs, argv[optind])) {
+ && svec_contains(&dbs, argv[optind])) {
database = argv[optind++];
- } else if (sset_count(&dbs) == 1) {
- database = xstrdup(SSET_FIRST(&dbs));
- } else if (sset_contains(&dbs, "Open_vSwitch")) {
+ } else if (dbs.n == 1) {
+ database = xstrdup(dbs.names[0]);
+ } else if (svec_contains(&dbs, "Open_vSwitch")) {
database = "Open_vSwitch";
} else {
ovs_fatal(0, "no default database for `%s' command, please "
"specify a database name", command->name);
}
- sset_destroy(&dbs);
+ svec_destroy(&dbs);
} else {
database = NULL;
}
enum {
OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1,
OPT_TIMESTAMP,
+ VLOG_OPTION_ENUMS,
DAEMON_OPTION_ENUMS,
TABLE_OPTION_ENUMS
};
- static struct option long_options[] = {
- {"verbose", optional_argument, NULL, 'v'},
+ static const struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
{"timestamp", no_argument, NULL, OPT_TIMESTAMP},
+ VLOG_LONG_OPTIONS,
DAEMON_LONG_OPTIONS,
#ifdef HAVE_OPENSSL
{"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT},
ovs_print_version(0, 0);
exit(EXIT_SUCCESS);
- case 'v':
- vlog_set_verbosity(optarg);
- break;
-
+ VLOG_OPTION_HANDLERS
DAEMON_OPTION_HANDLERS
-
TABLE_OPTION_HANDLERS(&table_style)
-
STREAM_SSL_OPTION_HANDLERS
case OPT_BOOTSTRAP_CA_CERT:
" 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 [SERVER] [DATABASE] ALL\n"
+ " monitor all changes to all columns in all tables\n"
+ " in DATBASE on SERVER.\n"
"\n dump [SERVER] [DATABASE]\n"
" dump contents of DATABASE on SERVER to stdout\n"
"\nThe default SERVER is unix:%s/db.sock.\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 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), &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);
}
{
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);
}
static void
-fetch_dbs(struct jsonrpc *rpc, struct sset *dbs)
+fetch_dbs(struct jsonrpc *rpc, struct svec *dbs)
{
struct jsonrpc_msg *request, *reply;
- int error;
size_t i;
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");
- }
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
if (reply->result->type != JSON_ARRAY) {
ovs_fatal(0, "list_dbs response is not array");
}
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);
+ ovs_fatal(0, "list_dbs response %"PRIuSIZE" is not string", i);
}
- sset_add(dbs, name->u.string);
+ svec_add(dbs, name->u.string);
}
jsonrpc_msg_destroy(reply);
+ svec_sort(dbs);
}
\f
static void
int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
const char *db_name;
- struct sset dbs;
+ struct svec dbs;
+ size_t i;
- sset_init(&dbs);
+ svec_init(&dbs);
fetch_dbs(rpc, &dbs);
- SSET_FOR_EACH (db_name, &dbs) {
+ SVEC_FOR_EACH (i, db_name, &dbs) {
puts(db_name);
}
- sset_destroy(&dbs);
+ svec_destroy(&dbs);
}
static void
{
struct jsonrpc_msg *request, *reply;
struct json *transaction;
- int error;
transaction = parse_json(argv[0]);
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, table_style.json_flags));
- }
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
print_json(reply->result);
putchar('\n');
jsonrpc_msg_destroy(reply);
}
+\f
+/* "monitor" command. */
+
+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,
}
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);
- table_set_timestamp(&t, timestamp);
-
- 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++) {
table_destroy(&t);
}
+static void
+monitor_print(struct json *table_updates,
+ const struct monitored_table *mts, size_t n_mts,
+ bool initial)
+{
+ size_t i;
+
+ if (table_updates->type != JSON_OBJECT) {
+ ovs_error(0, "<table-updates> 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_updates),
+ mt->table->name);
+ if (table_update) {
+ monitor_print_table(table_update, mt,
+ n_mts > 1 ? xstrdup(mt->table->name) : NULL,
+ initial);
+ }
+ }
+}
+
static void
add_column(const char *server, const struct ovsdb_column *column,
struct ovsdb_column_set *columns, struct json *columns_json)
}
free(nodes);
- add_column(server, ovsdb_table_schema_get_column(table,"_version"),
+ add_column(server, ovsdb_table_schema_get_column(table, "_version"),
columns, columns_json);
}
}
static void
-do_monitor(struct jsonrpc *rpc, const char *database,
- int argc, char *argv[])
+ovsdb_client_exit(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *exiting_)
{
- const char *server = jsonrpc_get_name(rpc);
- const char *table_name = argv[0];
- struct ovsdb_column_set columns = OVSDB_COLUMN_SET_INITIALIZER;
- struct ovsdb_table_schema *table;
- struct ovsdb_schema *schema;
- struct jsonrpc_msg *request;
- struct json *monitor, *monitor_request_array,
- *monitor_requests, *request_id;
+ bool *exiting = exiting_;
+ *exiting = true;
+ unixctl_command_reply(conn, NULL);
+}
- schema = fetch_schema(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);
+static void
+ovsdb_client_block(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
+{
+ bool *blocked = blocked_;
+
+ 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
+add_monitored_table(int argc, char *argv[],
+ const char *server, const char *database,
+ 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;
+ 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) {
json_array_add(
monitor_request_array,
parse_monitor_columns(argv[i], server, database, table,
- &columns));
+ &mt->columns));
}
} else {
- /* Allocate a writable empty string since parse_monitor_columns() is
- * going to strtok() it and that's risky with literal "". */
+ /* Allocate a writable empty string since parse_monitor_columns()
+ * is going to strtok() it and that's risky with literal "". */
char empty[] = "";
json_array_add(
monitor_request_array,
- parse_monitor_columns(empty, server, database, table, &columns));
+ parse_monitor_columns(empty, server, database,
+ table, &mt->columns));
+ }
+
+ json_object_put(monitor_requests, table->name, monitor_request_array);
+}
+
+static void
+do_monitor(struct jsonrpc *rpc, const char *database,
+ int argc, char *argv[])
+{
+ const char *server = jsonrpc_get_name(rpc);
+ const char *table_name = argv[0];
+ struct unixctl_server *unixctl;
+ struct ovsdb_schema *schema;
+ struct jsonrpc_msg *request;
+ struct json *monitor, *monitor_requests, *request_id;
+ bool exiting = false;
+ bool blocked = false;
+
+ struct monitored_table *mts;
+ size_t n_mts, allocated_mts;
+
+ daemon_save_fd(STDOUT_FILENO);
+ daemonize_start();
+ 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);
+ } else {
+ unixctl = NULL;
}
+ schema = fetch_schema(rpc, database);
+
monitor_requests = json_object_create();
- json_object_put(monitor_requests, table_name, monitor_request_array);
+
+ 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, 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;
+
+ for (i = 0; i < n; i++) {
+ struct ovsdb_table_schema *table = nodes[i]->data;
+
+ add_monitored_table(argc, argv, server, database, table,
+ monitor_requests,
+ &mts, &n_mts, &allocated_mts);
+ }
+ free(nodes);
+ }
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;
- error = jsonrpc_recv_block(rpc, &msg);
- if (error) {
- ovsdb_schema_destroy(schema);
- 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)) {
- 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);
+ 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);
}
- } 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);
+
+ 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, mts, n_mts, true);
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->u.array.n == 2
+ && params->u.array.elems[0]->type == JSON_NULL) {
+ monitor_print(params->u.array.elems[1], mts, n_mts, false);
+ fflush(stdout);
+ }
}
+ jsonrpc_msg_destroy(msg);
+ }
+
+ if (exiting) {
+ break;
}
- jsonrpc_msg_destroy(msg);
+
+ jsonrpc_run(rpc);
+ jsonrpc_wait(rpc);
+ if (!blocked) {
+ jsonrpc_recv_wait(rpc);
+ }
+ unixctl_server_wait(unixctl);
+ poll_block();
}
}
struct shash *row;
if (rows->elems[y]->type != JSON_OBJECT) {
- ovs_fatal(0, "row %zu in table %s response is not a JSON object: "
+ ovs_fatal(0, "row %"PRIuSIZE" in table %s response is not a JSON object: "
"%s", y, ts->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",
+ ovs_fatal(0, "row %"PRIuSIZE" in table %s response lacks %s column",
y, ts->name, columns[x]->name);
}
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_style);
table_destroy(&t);
+
+ free(data);
+ free(columns);
}
static void
struct jsonrpc_msg *request, *reply;
struct ovsdb_schema *schema;
struct json *transaction;
- int error;
const struct shash_node **tables;
size_t n_tables;
/* 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",
+ 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++) {
dump_table(ts, &rows->u.array);
}
+
+ jsonrpc_msg_destroy(reply);
+ free(tables);
+ ovsdb_schema_destroy(schema);
}
static void
{ NULL, 0, 0, 0, NULL },
};
+
+static const struct ovsdb_client_command *get_all_commands(void)
+{
+ return all_commands;
+}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff