/*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#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 "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;
-
-/* --no-headings: Whether table output should include headings. */
-static int output_headings = true;
-/* --pretty: Flags to pass to json_to_string(). */
-static int json_flags = JSSF_SORT;
+VLOG_DEFINE_THIS_MODULE(ovsdb_client);
-/* --data: Format of data in output tables. */
-static enum {
- DF_STRING, /* String format. */
- DF_JSON, /* JSON. */
-} data_format;
+/* Format for table output. */
+static struct table_style table_style = TABLE_STYLE_DEFAULT;
static const struct command all_commands[];
{
proctitle_init(argc, argv);
set_program_name(argv[0]);
- vlog_init();
parse_options(argc, argv);
signal(SIGPIPE, SIG_IGN);
run_command(argc - optind, argv + optind, all_commands);
parse_options(int argc, char *argv[])
{
enum {
- OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1
+ OPT_BOOTSTRAP_CA_CERT = UCHAR_MAX + 1,
+ 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'},
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();
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 '?':
exit(EXIT_FAILURE);
" list databases available on SERVER\n"
"\n get-schema SERVER DATABASE\n"
" retrieve schema for DATABASE from SERVER\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"
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");
daemon_usage();
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);
}
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[])
ovsdb_schema_destroy(schema);
}
+static void
+do_get_schema_version(int argc OVS_UNUSED, char *argv[])
+{
+ struct ovsdb_schema *schema = fetch_schema(argv[1], argv[2]);
+ puts(schema->version);
+ ovsdb_schema_destroy(schema);
+}
+
static void
do_list_tables(int argc OVS_UNUSED, char *argv[])
{
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
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
}
if (reply->error) {
ovs_fatal(error, "transaction returned error: %s",
- json_to_string(reply->error, json_flags));
+ json_to_string(reply->error, table_style.json_flags));
}
print_json(reply->result);
putchar('\n');
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
monitor_print_row(struct json *row, const char *type, const char *uuid,
const struct ovsdb_column_set *columns, struct table *t)
}
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;
}
}
}
monitor_print_row(new, "new", "", columns, &t);
}
}
- table_print(&t);
+ table_print(&t, &table_style);
table_destroy(&t);
}
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;
}
}
- table_print(&t);
+ table_print(&t, &table_style);
table_destroy(&t);
}
static const struct command all_commands[] = {
{ "list-dbs", 1, 1, do_list_dbs },
{ "get-schema", 2, 2, do_get_schema },
+ { "get-schema-version", 2, 2, do_get_schema_version },
{ "list-tables", 2, 2, do_list_tables },
{ "list-columns", 2, 3, do_list_columns },
{ "transact", 2, 2, do_transact },