X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=ovsdb%2Fovsdb-client.c;h=800d3e1729867db5ca5ee0928fec0a8c2149c630;hb=fb115f912bf9e608e32606ea0a5bae6e11c9fbfa;hp=8502f19bec14464ffc9c6996a404036bfdae5fe3;hpb=772387d560e565abf212d5863698a6834f501639;p=openvswitch diff --git a/ovsdb/ovsdb-client.c b/ovsdb/ovsdb-client.c index 8502f19b..800d3e17 100644 --- a/ovsdb/ovsdb-client.c +++ b/ovsdb/ovsdb-client.c @@ -1,5 +1,5 @@ /* - * 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. @@ -32,6 +32,7 @@ #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" @@ -45,24 +46,8 @@ 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; - -/* --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; - -/* --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[]; @@ -84,22 +69,21 @@ static void 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); @@ -112,28 +96,6 @@ parse_options(int argc, char *argv[]) } 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(); @@ -147,13 +109,13 @@ parse_options(int argc, char *argv[]) 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); @@ -179,6 +141,9 @@ usage(void) " 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" @@ -196,7 +161,8 @@ usage(void) 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(); @@ -249,7 +215,7 @@ open_jsonrpc(const char *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); } @@ -303,396 +269,6 @@ fetch_schema(const char *server, const char *database) return schema; } -struct column { - char *heading; -}; - -struct cell { - /* Literal text. */ - char *text; - - /* JSON. */ - struct json *json; - const struct ovsdb_type *type; -}; - -static const char * -cell_to_text(const struct cell *cell_) -{ - struct cell *cell = (struct cell *) cell_; - if (!cell->text) { - if (cell->json) { - if (data_format == DF_JSON || !cell->type) { - cell->text = json_to_string(cell->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, cell->type, cell->json, - NULL); - if (!error) { - ds_init(&s); - ovsdb_datum_to_string(&datum, cell->type, &s); - ovsdb_datum_destroy(&datum, cell->type); - cell->text = ds_steal_cstr(&s); - } else { - cell->text = json_to_string(cell->json, JSSF_SORT); - } - } else { - NOT_REACHED(); - } - } else { - cell->text = xstrdup(""); - } - } - - return cell->text; -} - -static void -cell_destroy(struct cell *cell) -{ - free(cell->text); - json_destroy(cell->json); -} - -struct table { - struct cell *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++) { - cell_destroy(&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); - va_end(args); -} - -static struct cell * -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++) { - struct cell *cell = table_cell__(table, y, x); - memset(cell, 0, sizeof *cell); - } -} - -static struct cell * -table_add_cell(struct table *table) -{ - size_t x, y; - - assert(table->n_rows > 0); - assert(table->current_column < table->n_columns); - - x = table->current_column++; - y = table->n_rows - 1; - - return table_cell__(table, y, x); -} - -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; - int *widths; - size_t x, y; - - if (n++ > 0) { - putchar('\n'); - } - - if (table->caption) { - puts(table->caption); - } - - widths = xmalloc(table->n_columns * sizeof *widths); - for (x = 0; x < table->n_columns; x++) { - const struct column *column = &table->columns[x]; - - widths[x] = strlen(column->heading); - for (y = 0; y < table->n_rows; y++) { - const char *text = cell_to_text(table_cell__(table, y, x)); - size_t length = strlen(text); - - if (length > widths[x]) - widths[x] = length; - } - } - - 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", widths[x], column->heading); - } - table_print_table_line__(&line); - - for (x = 0; x < table->n_columns; x++) { - if (x) { - ds_put_char(&line, ' '); - } - ds_put_char_multiple(&line, '-', widths[x]); - } - table_print_table_line__(&line); - } - - for (y = 0; y < table->n_rows; y++) { - for (x = 0; x < table->n_columns; x++) { - const char *text = cell_to_text(table_cell__(table, y, x)); - if (x) { - ds_put_char(&line, ' '); - } - ds_put_format(&line, "%-*s", widths[x], text); - } - table_print_table_line__(&line); - } - - ds_destroy(&line); - free(widths); -} - -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("%.*s", UUID_LEN, p, 8, p); - p += UUID_LEN; - } else { - table_escape_html_text__(p, 1); - p++; - } - } - printf("\n", element); -} - -static void -table_print_html__(const struct table *table) -{ - size_t x, y; - - fputs("\n", stdout); - - if (table->caption) { - table_print_html_cell__("caption", table->caption); - } - - if (output_headings) { - fputs(" \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(" \n", stdout); - } - - for (y = 0; y < table->n_rows; y++) { - fputs(" \n", stdout); - for (x = 0; x < table->n_columns; x++) { - const char *content = cell_to_text(table_cell__(table, y, x)); - - if (!strcmp(table->columns[x].heading, "_uuid")) { - fputs(" \n", stdout); - } else { - table_print_html_cell__("td", content); - } - } - fputs(" \n", stdout); - } - - fputs("
", stdout); - table_escape_html_text__(content, 8); - fputs("
\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__(cell_to_text(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; - } -} static void do_list_dbs(int argc OVS_UNUSED, char *argv[]) @@ -733,6 +309,14 @@ do_get_schema(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[]) { @@ -750,7 +334,7 @@ do_list_tables(int argc OVS_UNUSED, char *argv[]) table_add_cell(&t)->text = xstrdup(ts->name); } ovsdb_schema_destroy(schema); - table_print(&t); + table_print(&t, &table_style); } static void @@ -787,7 +371,7 @@ do_list_columns(int argc OVS_UNUSED, char *argv[]) } } ovsdb_schema_destroy(schema); - table_print(&t); + table_print(&t, &table_style); } static void @@ -808,7 +392,7 @@ do_transact(int argc OVS_UNUSED, char *argv[]) } 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'); @@ -895,7 +479,7 @@ monitor_print(struct json *table_updates, monitor_print_row(new, "new", "", columns, &t); } } - table_print(&t); + table_print(&t, &table_style); table_destroy(&t); } @@ -1206,7 +790,7 @@ dump_table(const struct ovsdb_table_schema *ts, struct json_array *rows) cell->type = &columns[x]->type; } } - table_print(&t); + table_print(&t, &table_style); table_destroy(&t); } @@ -1296,6 +880,7 @@ do_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED) 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 },