#include "vswitchd/vswitch-idl.h"
#include "timeval.h"
#include "util.h"
-
#include "vlog.h"
-#define THIS_MODULE VLM_vsctl
+
+VLOG_DEFINE_THIS_MODULE(vsctl)
/* vsctl_fatal() also logs the error, so it is preferred in this file. */
#define ovs_fatal please_use_vsctl_fatal_instead_of_ovs_fatal
int
main(int argc, char *argv[])
{
+ extern struct vlog_module VLM_reconnect;
struct ovsdb_idl *idl;
struct vsctl_command *commands;
size_t n_commands;
set_program_name(argv[0]);
signal(SIGPIPE, SIG_IGN);
- time_init();
- vlog_init();
- vlog_set_levels(VLM_ANY_MODULE, VLF_CONSOLE, VLL_WARN);
- vlog_set_levels(VLM_reconnect, VLF_ANY_FACILITY, VLL_WARN);
+ vlog_set_levels(NULL, VLF_CONSOLE, VLL_WARN);
+ vlog_set_levels(&VLM_reconnect, VLF_ANY_FACILITY, VLL_WARN);
ovsrec_init();
/* Log our arguments. This is often valuable for debugging systems. */
break;
case OPT_NO_SYSLOG:
- vlog_set_levels(VLM_vsctl, VLF_SYSLOG, VLL_WARN);
+ vlog_set_levels(&VLM_vsctl, VLF_SYSLOG, VLL_WARN);
break;
case OPT_NO_WAIT:
message = xvasprintf(format, args);
va_end(args);
- vlog_set_levels(VLM_vsctl, VLF_CONSOLE, VLL_EMER);
+ vlog_set_levels(&VLM_vsctl, VLF_CONSOLE, VLL_EMER);
VLOG_ERR("%s", message);
ovs_error(0, "%s", message);
vsctl_exit(EXIT_FAILURE);
\n\
Database commands:\n\
list TBL [REC] list RECord (or all records) in TBL\n\
- get TBL REC COL[:KEY] print values of COLumns in RECORD in TBL\n\
+ get TBL REC COL[:KEY] print values of COLumns in RECord in TBL\n\
set TBL REC COL[:KEY]=VALUE set COLumn values in RECord in TBL\n\
add TBL REC COL [KEY=]VALUE add (KEY=)VALUE to COLumn in RECord in TBL\n\
remove TBL REC COL [KEY=]VALUE remove (KEY=)VALUE from COLumn\n\
clear TBL REC COL clear values from COLumn in RECord in TBL\n\
create TBL COL[:KEY]=VALUE create and initialize new record\n\
- destroy TBL REC delete REC from TBL\n\
+ destroy TBL REC delete RECord from TBL\n\
+ wait-until TBL REC [COL[:KEY]=VALUE] wait until condition is true\n\
Potentially unsafe database commands require --force option.\n\
\n\
Options:\n\
}
} else {
const struct ovsdb_idl_row *row;
- unsigned int best_score = 0;
-
- /* It might make sense to relax this assertion. */
- assert(id->name_column->type.key.type == OVSDB_TYPE_STRING);
referrer = NULL;
for (row = ovsdb_idl_first_row(ctx->idl, id->table);
- row != NULL && best_score != UINT_MAX;
+ row != NULL;
row = ovsdb_idl_next_row(row))
{
- struct ovsdb_datum name;
-
- ovsdb_idl_txn_read(row, id->name_column, &name);
- if (name.n == 1) {
- unsigned int score = score_partial_match(name.keys[0].string,
- record_id);
- if (score > best_score) {
- referrer = row;
- best_score = score;
- } else if (score == best_score) {
- referrer = NULL;
+ const struct ovsdb_datum *name;
+
+ name = ovsdb_idl_get(row, id->name_column,
+ OVSDB_TYPE_STRING, OVSDB_TYPE_VOID);
+ if (name->n == 1 && !strcmp(name->keys[0].string, record_id)) {
+ if (referrer) {
+ vsctl_fatal("multiple rows in %s match \"%s\"",
+ table->class->name, record_id);
}
+ referrer = row;
}
- ovsdb_datum_destroy(&name, &id->name_column->type);
- }
- if (best_score && !referrer) {
- vsctl_fatal("multiple rows in %s match \"%s\"",
- table->class->name, record_id);
}
}
if (!referrer) {
final = NULL;
if (id->uuid_column) {
- struct ovsdb_datum uuid;
-
- assert(id->uuid_column->type.key.type == OVSDB_TYPE_UUID);
- assert(id->uuid_column->type.value.type == OVSDB_TYPE_VOID);
+ const struct ovsdb_datum *uuid;
- ovsdb_idl_txn_read(referrer, id->uuid_column, &uuid);
- if (uuid.n == 1) {
+ uuid = ovsdb_idl_get(referrer, id->uuid_column,
+ OVSDB_TYPE_UUID, OVSDB_TYPE_VOID);
+ if (uuid->n == 1) {
final = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class,
- &uuid.keys[0].uuid);
+ &uuid->keys[0].uuid);
}
- ovsdb_datum_destroy(&uuid, &id->uuid_column->type);
} else {
final = referrer;
}
}
static const struct ovsdb_idl_row *
-get_row(struct vsctl_context *ctx,
- const struct vsctl_table_class *table, const char *record_id)
+get_row (struct vsctl_context *ctx,
+ const struct vsctl_table_class *table, const char *record_id)
{
const struct ovsdb_idl_row *row;
struct uuid uuid;
}
}
+static char *
+missing_operator_error(const char *arg, const char **allowed_operators,
+ size_t n_allowed)
+{
+ struct ds s;
+
+ ds_init(&s);
+ ds_put_format(&s, "%s: argument does not end in ", arg);
+ ds_put_format(&s, "\"%s\"", allowed_operators[0]);
+ if (n_allowed == 2) {
+ ds_put_format(&s, " or \"%s\"", allowed_operators[1]);
+ } else if (n_allowed > 2) {
+ size_t i;
+
+ for (i = 1; i < n_allowed - 1; i++) {
+ ds_put_format(&s, ", \"%s\"", allowed_operators[i]);
+ }
+ ds_put_format(&s, ", or \"%s\"", allowed_operators[i]);
+ }
+ ds_put_format(&s, " followed by a value.");
+
+ return ds_steal_cstr(&s);
+}
+
+/* Breaks 'arg' apart into a number of fields in the following order:
+ *
+ * - If 'columnp' is nonnull, the name of a column in 'table'. The column
+ * is stored into '*columnp'. The column name may be abbreviated.
+ *
+ * - If 'keyp' is nonnull, optionally a key string. (If both 'columnp'
+ * and 'keyp' are nonnull, then the column and key names are expected to
+ * be separated by ':'). The key is stored as a malloc()'d string into
+ * '*keyp', or NULL if no key is present in 'arg'.
+ *
+ * - If 'valuep' is nonnull, an operator followed by a value string. The
+ * allowed operators are the 'n_allowed' string in 'allowed_operators',
+ * or just "=" if 'n_allowed' is 0. If 'operatorp' is nonnull, then the
+ * operator is stored into '*operatorp' (one of the pointers from
+ * 'allowed_operators' is stored; nothing is malloc()'d). The value is
+ * stored as a malloc()'d string into '*valuep', or NULL if no value is
+ * present in 'arg'.
+ *
+ * At least 'columnp' or 'keyp' must be nonnull.
+ *
+ * On success, returns NULL. On failure, returned a malloc()'d string error
+ * message and stores NULL into all of the nonnull output arguments. */
static char * WARN_UNUSED_RESULT
-parse_column_key_value(const char *arg, const struct vsctl_table_class *table,
- const struct ovsdb_idl_column **columnp,
- char **keyp, char **valuep)
+parse_column_key_value(const char *arg,
+ const struct vsctl_table_class *table,
+ const struct ovsdb_idl_column **columnp, char **keyp,
+ const char **operatorp,
+ const char **allowed_operators, size_t n_allowed,
+ char **valuep)
{
const char *p = arg;
char *error;
assert(columnp || keyp);
+ assert(!(operatorp && !valuep));
if (keyp) {
*keyp = NULL;
}
}
/* Parse value string. */
- if (*p == '=') {
- if (!valuep) {
- error = xasprintf("%s: value not accepted here", arg);
+ if (valuep) {
+ const char *best;
+ size_t best_len;
+ size_t i;
+
+ if (!allowed_operators) {
+ static const char *equals = "=";
+ allowed_operators = =
+ n_allowed = 1;
+ }
+
+ best = NULL;
+ best_len = 0;
+ for (i = 0; i < n_allowed; i++) {
+ const char *op = allowed_operators[i];
+ size_t op_len = strlen(op);
+
+ if (op_len > best_len && !strncmp(op, p, op_len) && p[op_len]) {
+ best_len = op_len;
+ best = op;
+ }
+ }
+ if (!best) {
+ error = missing_operator_error(arg, allowed_operators, n_allowed);
goto error;
}
- *valuep = xstrdup(p + 1);
+
+ if (operatorp) {
+ *operatorp = best;
+ }
+ *valuep = xstrdup(p + best_len);
} else {
if (valuep) {
*valuep = NULL;
if (valuep) {
free(*valuep);
*valuep = NULL;
+ if (operatorp) {
+ *operatorp = NULL;
+ }
}
return error;
}
row = must_get_row(ctx, table, record_id);
for (i = 3; i < ctx->argc; i++) {
const struct ovsdb_idl_column *column;
- struct ovsdb_datum datum;
+ const struct ovsdb_datum *datum;
char *key_string;
/* Special case for obtaining the UUID of a row. We can't just do this
}
die_if_error(parse_column_key_value(ctx->argv[i], table,
- &column, &key_string, NULL));
+ &column, &key_string,
+ NULL, NULL, 0, NULL));
- ovsdb_idl_txn_read(row, column, &datum);
+ datum = ovsdb_idl_read(row, column);
if (key_string) {
union ovsdb_atom key;
unsigned int idx;
&column->type.key,
key_string, ctx->symtab));
- idx = ovsdb_datum_find_key(&datum, &key,
+ idx = ovsdb_datum_find_key(datum, &key,
column->type.key.type);
if (idx == UINT_MAX) {
if (!if_exists) {
column->name);
}
} else {
- ovsdb_atom_to_string(&datum.values[idx],
+ ovsdb_atom_to_string(&datum->values[idx],
column->type.value.type, out);
}
ovsdb_atom_destroy(&key, column->type.key.type);
} else {
- ovsdb_datum_to_string(&datum, &column->type, out);
+ ovsdb_datum_to_string(datum, &column->type, out);
}
ds_put_char(out, '\n');
- ovsdb_datum_destroy(&datum, &column->type);
free(key_string);
}
UUID_ARGS(&row->uuid));
for (i = 0; i < table->class->n_columns; i++) {
const struct ovsdb_idl_column *column = &table->class->columns[i];
- struct ovsdb_datum datum;
+ const struct ovsdb_datum *datum;
- ovsdb_idl_txn_read(row, column, &datum);
+ datum = ovsdb_idl_read(row, column);
ds_put_format(out, "%-20s: ", column->name);
- ovsdb_datum_to_string(&datum, &column->type, out);
+ ovsdb_datum_to_string(datum, &column->type, out);
ds_put_char(out, '\n');
-
- ovsdb_datum_destroy(&datum, &column->type);
}
}
char *error;
error = parse_column_key_value(arg, table, &column, &key_string,
- &value_string);
+ NULL, NULL, 0, &value_string);
die_if_error(error);
if (!value_string) {
vsctl_fatal("%s: missing value", arg);
if (key_string) {
union ovsdb_atom key, value;
- struct ovsdb_datum old, new;
+ struct ovsdb_datum datum;
if (column->type.value.type == OVSDB_TYPE_VOID) {
vsctl_fatal("cannot specify key to set for non-map column %s",
die_if_error(ovsdb_atom_from_string(&value, &column->type.value,
value_string, symtab));
- ovsdb_datum_init_empty(&new);
- ovsdb_datum_add_unsafe(&new, &key, &value, &column->type);
+ ovsdb_datum_init_empty(&datum);
+ ovsdb_datum_add_unsafe(&datum, &key, &value, &column->type);
ovsdb_atom_destroy(&key, column->type.key.type);
ovsdb_atom_destroy(&value, column->type.value.type);
- ovsdb_idl_txn_read(row, column, &old);
- ovsdb_datum_union(&old, &new, &column->type, true);
- ovsdb_idl_txn_write(row, column, &old);
-
- ovsdb_datum_destroy(&new, &column->type);
+ ovsdb_datum_union(&datum, ovsdb_idl_read(row, column),
+ &column->type, false);
+ ovsdb_idl_txn_write(row, column, &datum);
} else {
struct ovsdb_datum datum;
die_if_error(get_column(table, column_name, &column));
type = &column->type;
- ovsdb_idl_txn_read(row, column, &old);
+ ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
for (i = 4; i < ctx->argc; i++) {
struct ovsdb_type add_type;
struct ovsdb_datum add;
die_if_error(get_column(table, column_name, &column));
type = &column->type;
- ovsdb_idl_txn_read(row, column, &old);
+ ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
for (i = 4; i < ctx->argc; i++) {
struct ovsdb_type rm_type;
struct ovsdb_datum rm;
}
}
}
+
+static bool
+is_condition_satified(const struct vsctl_table_class *table,
+ const struct ovsdb_idl_row *row, const char *arg,
+ struct ovsdb_symbol_table *symtab)
+{
+ static const char *operators[] = {
+ "=", "!=", "<", ">", "<=", ">="
+ };
+
+ const struct ovsdb_idl_column *column;
+ const struct ovsdb_datum *have_datum;
+ char *key_string, *value_string;
+ const char *operator;
+ unsigned int idx;
+ char *error;
+ int cmp = 0;
+
+ error = parse_column_key_value(arg, table, &column, &key_string,
+ &operator, operators, ARRAY_SIZE(operators),
+ &value_string);
+ die_if_error(error);
+ if (!value_string) {
+ vsctl_fatal("%s: missing value", arg);
+ }
+
+ have_datum = ovsdb_idl_read(row, column);
+ if (key_string) {
+ union ovsdb_atom want_key, want_value;
+
+ if (column->type.value.type == OVSDB_TYPE_VOID) {
+ vsctl_fatal("cannot specify key to check for non-map column %s",
+ column->name);
+ }
+
+ die_if_error(ovsdb_atom_from_string(&want_key, &column->type.key,
+ key_string, symtab));
+ die_if_error(ovsdb_atom_from_string(&want_value, &column->type.value,
+ value_string, symtab));
+
+ idx = ovsdb_datum_find_key(have_datum,
+ &want_key, column->type.key.type);
+ if (idx != UINT_MAX) {
+ cmp = ovsdb_atom_compare_3way(&have_datum->values[idx],
+ &want_value,
+ column->type.value.type);
+ }
+
+ ovsdb_atom_destroy(&want_key, column->type.key.type);
+ ovsdb_atom_destroy(&want_value, column->type.value.type);
+ } else {
+ struct ovsdb_datum want_datum;
+
+ die_if_error(ovsdb_datum_from_string(&want_datum, &column->type,
+ value_string, symtab));
+ idx = 0;
+ cmp = ovsdb_datum_compare_3way(have_datum, &want_datum,
+ &column->type);
+ ovsdb_datum_destroy(&want_datum, &column->type);
+ }
+
+ free(key_string);
+ free(value_string);
+
+ return (idx == UINT_MAX ? false
+ : !strcmp(operator, "=") ? cmp == 0
+ : !strcmp(operator, "!=") ? cmp != 0
+ : !strcmp(operator, "<") ? cmp < 0
+ : !strcmp(operator, ">") ? cmp > 0
+ : !strcmp(operator, "<=") ? cmp <= 0
+ : !strcmp(operator, ">=") ? cmp >= 0
+ : (abort(), 0));
+}
+
+static void
+cmd_wait_until(struct vsctl_context *ctx)
+{
+ const char *table_name = ctx->argv[1];
+ const char *record_id = ctx->argv[2];
+ const struct vsctl_table_class *table;
+ const struct ovsdb_idl_row *row;
+ int i;
+
+ table = get_table(table_name);
+
+ row = get_row(ctx, table, record_id);
+ if (!row) {
+ ctx->try_again = true;
+ return;
+ }
+
+ for (i = 3; i < ctx->argc; i++) {
+ if (!is_condition_satified(table, row, ctx->argv[i], ctx->symtab)) {
+ ctx->try_again = true;
+ return;
+ }
+ }
+}
\f
static struct json *
where_uuid_equals(const struct uuid *uuid)
const char *unused;
struct vsctl_command *c;
int64_t next_cfg = 0;
- char *error;
+ char *error = NULL;
txn = the_idl_txn = ovsdb_idl_txn_create(idl);
if (dry_run) {
{"clear", 3, INT_MAX, cmd_clear, NULL, ""},
{"create", 2, INT_MAX, cmd_create, post_create, "--id="},
{"destroy", 1, INT_MAX, cmd_destroy, NULL, "--if-exists"},
+ {"wait-until", 2, INT_MAX, cmd_wait_until, NULL, ""},
{NULL, 0, 0, NULL, NULL, NULL},
};
git://git.onelab.eu / sliver-openvswitch.git / blobdiff