/*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011, 2012 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 <limits.h>
#include "column.h"
#include "compiler.h"
#include "daemon.h"
+#include "dirs.h"
#include "dynamic-string.h"
#include "json.h"
#include "jsonrpc.h"
+#include "lib/table.h"
#include "ovsdb.h"
#include "ovsdb-data.h"
#include "ovsdb-error.h"
#include "sort.h"
+#include "sset.h"
#include "stream.h"
#include "stream-ssl.h"
#include "table.h"
#include "timeval.h"
#include "util.h"
-
#include "vlog.h"
-#define THIS_MODULE VLM_ovsdb_client
-/* --format: Output formatting. */
-static enum {
- FMT_TABLE, /* Textual table. */
- FMT_HTML, /* HTML table. */
- FMT_CSV /* Comma-separated lines. */
-} output_format;
+VLOG_DEFINE_THIS_MODULE(ovsdb_client);
-/* --no-headings: Whether table output should include headings. */
-static int output_headings = true;
+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. */
+};
-/* --pretty: Flags to pass to json_to_string(). */
-static int json_flags = JSSF_SORT;
+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[]);
+};
-/* --data: Format of data in output tables. */
-static enum {
- DF_STRING, /* String format. */
- DF_JSON, /* JSON. */
-} data_format;
+/* --timestamp: Print a timestamp before each update on "monitor" command? */
+static bool timestamp;
-static const struct command all_commands[];
+/* Format for table output. */
+static struct table_style table_style = TABLE_STYLE_DEFAULT;
+
+static const struct ovsdb_client_command all_commands[];
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);
int
main(int argc, char *argv[])
{
+ const struct ovsdb_client_command *command;
+ const char *database;
+ struct jsonrpc *rpc;
+
proctitle_init(argc, argv);
set_program_name(argv[0]);
- time_init();
- vlog_init();
parse_options(argc, argv);
signal(SIGPIPE, SIG_IGN);
- run_command(argc - optind, argv + optind, all_commands);
+
+ if (optind >= argc) {
+ ovs_fatal(0, "missing command name; use --help for help");
+ }
+
+ for (command = 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++;
+
+ if (command->need != NEED_NONE) {
+ if (argc - optind > command->min_args
+ && (isalpha((unsigned char) argv[optind][0])
+ && strchr(argv[optind], ':'))) {
+ rpc = open_jsonrpc(argv[optind++]);
+ } else {
+ char *sock = xasprintf("unix:%s/db.sock", ovs_rundir());
+ rpc = open_jsonrpc(sock);
+ free(sock);
+ }
+ } else {
+ rpc = NULL;
+ }
+
+ if (command->need == NEED_DATABASE) {
+ struct sset dbs;
+
+ sset_init(&dbs);
+ fetch_dbs(rpc, &dbs);
+ if (argc - optind > command->min_args
+ && sset_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")) {
+ database = "Open_vSwitch";
+ } else {
+ ovs_fatal(0, "no default database for `%s' command, please "
+ "specify a database name", command->name);
+ }
+ sset_destroy(&dbs);
+ } else {
+ database = NULL;
+ }
+
+ if (argc - optind < command->min_args ||
+ argc - optind > command->max_args) {
+ VLOG_FATAL("invalid syntax for '%s' (use --help for help)",
+ command->name);
+ }
+
+ command->handler(rpc, database, argc - optind, argv + optind);
+
+ 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,
+ DAEMON_OPTION_ENUMS,
+ TABLE_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'},
+ {"verbose", optional_argument, NULL, 'v'},
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'V'},
+ {"timestamp", no_argument, NULL, OPT_TIMESTAMP},
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);
}
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':
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 '?':
exit(EXIT_FAILURE);
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 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"
+ "\n transact [SERVER] TRANSACTION\n"
" run TRANSACTION (a JSON array of operations) 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 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 dump [SERVER] [DATABASE]\n"
+ " dump contents of DATABASE on SERVER to stdout\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"
+ " (\"table\", \"html\", \"csv\", "
+ "or \"json\")\n"
" --no-headings omit table heading row\n"
- " --pretty pretty-print JSON in output");
+ " --pretty pretty-print JSON in output\n"
+ " --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 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);
}
static void
print_json(struct json *json)
{
- char *string = json_to_string(json, json_flags);
+ char *string = json_to_string(json, table_style.json_flags);
fputs(string, stdout);
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)
-{
- struct ovsdb_schema *schema;
- struct jsonrpc *rpc;
-
- rpc = open_jsonrpc(server);
- schema = fetch_schema_from_rpc(rpc, database);
- jsonrpc_close(rpc);
-
- return schema;
-}
-\f
-struct column {
- char *heading;
- int width;
-};
-
-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;
-};
-
-static void
-table_init(struct table *table)
-{
- memset(table, 0, sizeof *table);
-}
-
-static void
-table_destroy(struct table *table)
-{
- size_t i;
-
- for (i = 0; i < table->n_columns; i++) {
- free(table->columns[i].heading);
- }
- free(table->columns);
-
- for (i = 0; i < table->n_columns * table->n_rows; i++) {
- free(table->cells[i]);
- }
- free(table->cells);
-
- free(table->caption);
-}
-
-static void
-table_set_caption(struct table *table, char *caption)
-{
- free(table->caption);
- table->caption = caption;
-}
-
-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, ...)
-{
- struct column *column;
- va_list args;
-
- assert(!table->n_rows);
- if (table->n_columns >= table->allocated_columns) {
- table->columns = x2nrealloc(table->columns, &table->allocated_columns,
- sizeof *table->columns);
- }
- column = &table->columns[table->n_columns++];
-
- va_start(args, heading);
- column->heading = xvasprintf(heading, args);
- column->width = strlen(column->heading);
- va_end(args);
-}
-
-static char **
-table_cell__(const struct table *table, size_t row, size_t column)
-{
- return &table->cells[column + row * table->n_columns];
-}
-
-static void
-table_add_row(struct table *table)
-{
- size_t x, y;
-
- if (table->n_rows >= table->allocated_rows) {
- table->cells = x2nrealloc(table->cells, &table->allocated_rows,
- table->n_columns * sizeof *table->cells);
- }
-
- y = table->n_rows++;
- table->current_column = 0;
- for (x = 0; x < table->n_columns; x++) {
- *table_cell__(table, y, x) = NULL;
- }
-}
-
static void
-table_add_cell_nocopy(struct table *table, char *s)
-{
- size_t x, y;
- int length;
-
- assert(table->n_rows > 0);
- assert(table->current_column < table->n_columns);
-
- x = table->current_column++;
- y = table->n_rows - 1;
- *table_cell__(table, y, x) = s;
-
- length = strlen(s);
- if (length > table->columns[x].width) {
- table->columns[x].width = length;
- }
-}
-
-static void
-table_add_cell(struct table *table, const char *format, ...)
-{
- va_list args;
-
- va_start(args, format);
- table_add_cell_nocopy(table, xvasprintf(format, args));
- va_end(args);
-}
-
-static void
-table_print_table_line__(struct ds *line)
-{
- puts(ds_cstr(line));
- ds_clear(line);
-}
-
-static void
-table_print_table__(const struct table *table)
-{
- 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);
-}
-
-static void
-table_escape_html_text__(const char *s, size_t n)
-{
- 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;
- }
- }
-}
-
-static void
-table_print_html_cell__(const char *element, const char *content)
-{
- const char *p;
-
- printf(" <%s>", element);
- for (p = content; *p; ) {
- struct uuid uuid;
-
- 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++;
- }
- }
- printf("</%s>\n", element);
-}
-
-static void
-table_print_html__(const struct table *table)
-{
- size_t x, y;
-
- fputs("<table border=1>\n", stdout);
-
- if (table->caption) {
- table_print_html_cell__("caption", table->caption);
- }
-
- 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);
- }
-
- 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);
-
- 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);
- }
- }
- fputs(" </tr>\n", stdout);
- }
-
- fputs("</table>\n", stdout);
-}
-
-static void
-table_print_csv_cell__(const char *content)
-{
- 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;
- }
- }
- putchar('"');
- }
-}
-
-static void
-table_print_csv__(const struct table *table)
-{
- static int n = 0;
- size_t x, y;
-
- if (n++ > 0) {
- putchar('\n');
- }
-
- if (table->caption) {
- puts(table->caption);
- }
-
- 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');
- }
-
- 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[])
+fetch_dbs(struct jsonrpc *rpc, struct sset *dbs)
{
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");
- }
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
if (reply->result->type != JSON_ARRAY) {
ovs_fatal(0, "list_dbs response is not array");
}
if (name->type != JSON_STRING) {
ovs_fatal(0, "list_dbs response %zu is not string", i);
}
- puts(name->u.string);
+ sset_add(dbs, name->u.string);
}
jsonrpc_msg_destroy(reply);
}
+\f
+static void
+do_list_dbs(struct jsonrpc *rpc, const char *database OVS_UNUSED,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ const char *db_name;
+ struct sset dbs;
+
+ sset_init(&dbs);
+ fetch_dbs(rpc, &dbs);
+ SSET_FOR_EACH (db_name, &dbs) {
+ puts(db_name);
+ }
+ sset_destroy(&dbs);
+}
static void
-do_get_schema(int argc OVS_UNUSED, char *argv[])
+do_get_schema(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
- struct ovsdb_schema *schema = fetch_schema(argv[1], argv[2]);
+ struct ovsdb_schema *schema = fetch_schema(rpc, database);
print_and_free_json(ovsdb_schema_to_json(schema));
ovsdb_schema_destroy(schema);
}
static void
-do_list_tables(int argc OVS_UNUSED, char *argv[])
+do_get_schema_version(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ struct ovsdb_schema *schema = fetch_schema(rpc, database);
+ puts(schema->version);
+ ovsdb_schema_destroy(schema);
+}
+
+static void
+do_list_tables(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
struct ovsdb_schema *schema;
struct shash_node *node;
struct table t;
- schema = fetch_schema(argv[1], argv[2]);
+ 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;
table_add_row(&t);
- table_add_cell(&t, ts->name);
+ table_add_cell(&t)->text = xstrdup(ts->name);
}
ovsdb_schema_destroy(schema);
- table_print(&t);
+ table_print(&t, &table_style);
}
static void
-do_list_columns(int argc OVS_UNUSED, char *argv[])
+do_list_columns(struct jsonrpc *rpc, const char *database,
+ int argc OVS_UNUSED, char *argv[])
{
- const char *table_name = argv[3];
+ const char *table_name = argv[0];
struct ovsdb_schema *schema;
struct shash_node *table_node;
struct table t;
- schema = fetch_schema(argv[1], argv[2]);
+ schema = fetch_schema(rpc, database);
table_init(&t);
if (!table_name) {
table_add_column(&t, "Table");
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)->text = xstrdup(ts->name);
}
- table_add_cell(&t, column->name);
- table_add_cell_nocopy(&t, json_to_string(type, JSSF_SORT));
-
- json_destroy(type);
+ table_add_cell(&t)->text = xstrdup(column->name);
+ table_add_cell(&t)->json = ovsdb_type_to_json(&column->type);
}
}
}
ovsdb_schema_destroy(schema);
- table_print(&t);
+ table_print(&t, &table_style);
}
static void
-do_transact(int argc OVS_UNUSED, char *argv[])
+do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED,
+ int argc OVS_UNUSED, char *argv[])
{
struct jsonrpc_msg *request, *reply;
struct json *transaction;
- struct jsonrpc *rpc;
- int error;
- transaction = parse_json(argv[2]);
+ transaction = parse_json(argv[0]);
- 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));
- }
+ check_txn(jsonrpc_transact_block(rpc, request, &reply), &reply);
print_json(reply->result);
putchar('\n');
jsonrpc_msg_destroy(reply);
- jsonrpc_close(rpc);
-}
-
-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();
- }
}
static void
}
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;
}
}
}
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");
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[])
+add_column(const char *server, const struct ovsdb_column *column,
+ struct ovsdb_column_set *columns, struct json *columns_json)
{
- 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;
-
- rpc = open_jsonrpc(server);
-
- 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);
+ 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));
+}
- if (argc >= 5 && *argv[4] != '\0') {
- char *save_ptr = NULL;
- char *token;
-
- for (token = strtok_r(argv[4], ",", &save_ptr); token != NULL;
- token = strtok_r(NULL, ",", &save_ptr)) {
+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->u.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;
-
- initial = insert = delete = modify = false;
-
- 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;
- }
- }
-
- select = json_object_create();
+ 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));
- } else {
- select = NULL;
+ json_object_put(mr, "select", select);
}
- 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);
+ return mr;
+}
+
+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 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;
+
+ 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);
+ }
+
+ monitor_request_array = json_array_create_empty();
+ if (argc > 1) {
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ json_array_add(
+ monitor_request_array,
+ parse_monitor_columns(argv[i], server, database, table,
+ &columns));
+ }
+ } else {
+ /* 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));
}
monitor_requests = json_object_create();
- json_object_put(monitor_requests, table_name, monitor_request);
+ json_object_put(monitor_requests, table_name, monitor_request_array);
monitor = json_array_create_3(json_string_create(database),
json_null_create(), monitor_requests);
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);
+ daemon_save_fd(STDOUT_FILENO);
daemonize();
- dup2(fd, STDOUT_FILENO);
- close(fd);
}
} else if (msg->type == JSONRPC_NOTIFY
&& !strcmp(msg->method, "update")) {
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_)
{
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 OVS_UNUSED, char *argv[] OVS_UNUSED)
{
- 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;
size_t n_tables;
size_t i;
- rpc = open_jsonrpc(server);
-
- schema = fetch_schema_from_rpc(rpc, database);
+ schema = fetch_schema(rpc, database);
tables = shash_sort(&schema->tables);
n_tables = shash_count(&schema->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
dump_table(ts, &rows->u.array);
}
+
+ jsonrpc_msg_destroy(reply);
+ free(tables);
+ ovsdb_schema_destroy(schema);
}
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 },
+/* All command handlers (except for "help") are expected to take an optional
+ * server socket name (e.g. "unix:...") as their first argument. The socket
+ * name argument must be included in max_args (but left out of min_args). The
+ * command name and socket name are not included in the arguments passed to the
+ * handler: the argv[0] passed to the handler is the first argument after the
+ * optional server socket name. The connection to the server is available as
+ * global variable 'rpc'. */
+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 },
+ { "list-tables", NEED_DATABASE, 0, 0, do_list_tables },
+ { "list-columns", NEED_DATABASE, 0, 1, do_list_columns },
+ { "transact", NEED_RPC, 1, 1, do_transact },
+ { "monitor", NEED_DATABASE, 1, INT_MAX, do_monitor },
+ { "dump", NEED_DATABASE, 0, 0, do_dump },
+
+ { "help", NEED_NONE, 0, INT_MAX, do_help },
+
+ { NULL, 0, 0, 0, NULL },
};