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ovs/vtep/vtep-ctl.c
James Raphael Tiovalen bc79a7bf03 treewide: Add ovs_assert to check for null pointers. 
This patch adds an assortment of `ovs_assert` statements to check for
null pointers. We use assertions since it should be impossible for any
of these pointers to be NULL.

Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: James Raphael Tiovalen <jamestiotio@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
2023-09-01 22:15:05 +02:00

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/*
* Copyright (c) 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include <ctype.h>
#include <errno.h>
#include <float.h>
#include <getopt.h>
#include <inttypes.h>
#include <signal.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "db-ctl-base.h"
#include "command-line.h"
#include "compiler.h"
#include "openvswitch/dynamic-string.h"
#include "fatal-signal.h"
#include "hash.h"
#include "openvswitch/json.h"
#include "ovsdb-data.h"
#include "ovsdb-idl.h"
#include "openvswitch/poll-loop.h"
#include "process.h"
#include "stream.h"
#include "stream-ssl.h"
#include "smap.h"
#include "sset.h"
#include "svec.h"
#include "vtep/vtep-idl.h"
#include "table.h"
#include "timeval.h"
#include "util.h"
#include "openvswitch/vconn.h"
#include "openvswitch/vlog.h"
VLOG_DEFINE_THIS_MODULE(vtep_ctl);
struct vtep_ctl_context;
/* --db: The database server to contact. */
static const char *db;
/* --oneline: Write each command's output as a single line? */
static bool oneline;
/* --dry-run: Do not commit any changes. */
static bool dry_run;
/* --timeout: Time to wait for a connection to 'db'. */
static unsigned int timeout;
/* Format for table output. */
static struct table_style table_style = TABLE_STYLE_DEFAULT;
/* The IDL we're using and the current transaction, if any.
* This is for use by vtep_ctl_exit() only, to allow it to clean up.
* Other code should use its context arguments. */
static struct ovsdb_idl *the_idl;
static struct ovsdb_idl_txn *the_idl_txn;
OVS_NO_RETURN static void vtep_ctl_exit(int status);
static void vtep_ctl_cmd_init(void);
OVS_NO_RETURN static void usage(void);
static void parse_options(int argc, char *argv[], struct shash *local_options);
static void run_prerequisites(struct ctl_command[], size_t n_commands,
struct ovsdb_idl *);
static bool do_vtep_ctl(const char *args, struct ctl_command *, size_t n,
struct ovsdb_idl *);
static struct vtep_ctl_lswitch *find_lswitch(struct vtep_ctl_context *,
const char *name,
bool must_exist);
static struct vtep_ctl_lrouter *find_lrouter(struct vtep_ctl_context *,
const char *name,
bool must_exist);
int
main(int argc, char *argv[])
{
struct ovsdb_idl *idl;
struct ctl_command *commands;
struct shash local_options;
unsigned int seqno;
size_t n_commands;
set_program_name(argv[0]);
fatal_ignore_sigpipe();
vlog_set_levels(NULL, VLF_CONSOLE, VLL_WARN);
vlog_set_levels_from_string_assert("reconnect:warn");
vtep_ctl_cmd_init();
/* Parse command line. */
char *args = process_escape_args(argv);
shash_init(&local_options);
parse_options(argc, argv, &local_options);
char *error = ctl_parse_commands(argc - optind, argv + optind,
&local_options, &commands, &n_commands);
if (error) {
ctl_fatal("%s", error);
}
VLOG(ctl_might_write_to_db(commands, n_commands) ? VLL_INFO : VLL_DBG,
"Called as %s", args);
ctl_timeout_setup(timeout);
/* Initialize IDL. */
idl = the_idl = ovsdb_idl_create(db, &vteprec_idl_class, false, false);
run_prerequisites(commands, n_commands, idl);
/* Execute the commands.
*
* 'seqno' is the database sequence number for which we last tried to
* execute our transaction. There's no point in trying to commit more than
* once for any given sequence number, because if the transaction fails
* it's because the database changed and we need to obtain an up-to-date
* view of the database before we try the transaction again. */
seqno = ovsdb_idl_get_seqno(idl);
for (;;) {
ovsdb_idl_run(idl);
if (!ovsdb_idl_is_alive(idl)) {
int retval = ovsdb_idl_get_last_error(idl);
ctl_fatal("%s: database connection failed (%s)",
db, ovs_retval_to_string(retval));
}
if (seqno != ovsdb_idl_get_seqno(idl)) {
seqno = ovsdb_idl_get_seqno(idl);
if (do_vtep_ctl(args, commands, n_commands, idl)) {
free(args);
exit(EXIT_SUCCESS);
}
}
if (seqno == ovsdb_idl_get_seqno(idl)) {
ovsdb_idl_wait(idl);
poll_block();
}
}
}
static void
parse_options(int argc, char *argv[], struct shash *local_options)
{
enum {
OPT_DB = UCHAR_MAX + 1,
OPT_ONELINE,
OPT_NO_SYSLOG,
OPT_DRY_RUN,
OPT_PEER_CA_CERT,
OPT_LOCAL,
VLOG_OPTION_ENUMS,
TABLE_OPTION_ENUMS,
SSL_OPTION_ENUMS,
};
static const struct option global_long_options[] = {
{"db", required_argument, NULL, OPT_DB},
{"no-syslog", no_argument, NULL, OPT_NO_SYSLOG},
{"dry-run", no_argument, NULL, OPT_DRY_RUN},
{"oneline", no_argument, NULL, OPT_ONELINE},
{"timeout", required_argument, NULL, 't'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
VLOG_LONG_OPTIONS,
TABLE_LONG_OPTIONS,
STREAM_SSL_LONG_OPTIONS,
{"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT},
{NULL, 0, NULL, 0},
};
const int n_global_long_options = ARRAY_SIZE(global_long_options) - 1;
char *tmp, *short_options;
struct option *options;
size_t allocated_options;
size_t n_options;
size_t i;
tmp = ovs_cmdl_long_options_to_short_options(global_long_options);
short_options = xasprintf("+%s", tmp);
free(tmp);
/* We want to parse both global and command-specific options here, but
* getopt_long() isn't too convenient for the job. We copy our global
* options into a dynamic array, then append all of the command-specific
* options. */
options = xmemdup(global_long_options, sizeof global_long_options);
allocated_options = ARRAY_SIZE(global_long_options);
n_options = n_global_long_options;
ctl_add_cmd_options(&options, &n_options, &allocated_options, OPT_LOCAL);
for (;;) {
int idx;
int c;
c = getopt_long(argc, argv, short_options, options, &idx);
if (c == -1) {
break;
}
switch (c) {
case OPT_DB:
db = optarg;
break;
case OPT_ONELINE:
oneline = true;
break;
case OPT_NO_SYSLOG:
vlog_set_levels(&this_module, VLF_SYSLOG, VLL_WARN);
break;
case OPT_DRY_RUN:
dry_run = true;
break;
case OPT_LOCAL:
if (shash_find(local_options, options[idx].name)) {
ctl_fatal("'%s' option specified multiple times",
options[idx].name);
}
shash_add_nocopy(local_options,
xasprintf("--%s", options[idx].name),
nullable_xstrdup(optarg));
break;
case 'h':
usage();
case 'V':
ovs_print_version(0, 0);
printf("DB Schema %s\n", vteprec_get_db_version());
exit(EXIT_SUCCESS);
case 't':
if (!str_to_uint(optarg, 10, &timeout) || !timeout) {
ctl_fatal("value %s on -t or --timeout is invalid", optarg);
}
break;
VLOG_OPTION_HANDLERS
TABLE_OPTION_HANDLERS(&table_style)
STREAM_SSL_OPTION_HANDLERS
case OPT_PEER_CA_CERT:
stream_ssl_set_peer_ca_cert_file(optarg);
break;
case '?':
exit(EXIT_FAILURE);
default:
abort();
}
}
free(short_options);
if (!db) {
db = ctl_default_db();
}
for (i = n_global_long_options; options[i].name; i++) {
free(CONST_CAST(char *, options[i].name));
}
free(options);
}
/* Frees the current transaction and the underlying IDL and then calls
* exit(status).
*
* Freeing the transaction and the IDL is not strictly necessary, but it makes
* for a clean memory leak report from valgrind in the normal case. That makes
* it easier to notice real memory leaks. */
static void
vtep_ctl_exit(int status)
{
if (the_idl_txn) {
ovsdb_idl_txn_abort(the_idl_txn);
ovsdb_idl_txn_destroy(the_idl_txn);
}
ovsdb_idl_destroy(the_idl);
exit(status);
}
static void
usage(void)
{
printf("\
%s: VTEP configuration utility\n\
usage: %s [OPTIONS] COMMAND [ARG...]\n\
\n\
VTEP commands:\n\
show print overview of database contents\n\
\n\
Manager commands:\n\
get-manager print the managers\n\
del-manager delete the managers\n\
[--inactivity-probe=MSECS]\n\
set-manager TARGET... set the list of managers to TARGET...\n\
\n\
Physical Switch commands:\n\
add-ps PS create a new physical switch named PS\n\
del-ps PS delete PS and all of its ports\n\
list-ps print the names of all the physical switches\n\
ps-exists PS exit 2 if PS does not exist\n\
\n\
Port commands:\n\
list-ports PS print the names of all the ports on PS\n\
add-port PS PORT add network device PORT to PS\n\
del-port PS PORT delete PORT from PS\n\
\n\
Logical Switch commands:\n\
add-ls LS create a new logical switch named LS\n\
del-ls LS delete LS and all of its ports\n\
list-ls print the names of all the logical switches\n\
ls-exists LS exit 2 if LS does not exist\n\
bind-ls PS PORT VLAN LS bind LS to VLAN on PORT\n\
unbind-ls PS PORT VLAN unbind logical switch on VLAN from PORT\n\
list-bindings PS PORT list bindings for PORT on PS\n\
set-replication-mode LS MODE set replication mode on LS\n\
get-replication-mode LS get replication mode on LS\n\
\n\
Logical Router commands:\n\
add-lr LR create a new logical router named LR\n\
del-lr LR delete LR\n\
list-lr print the names of all the logical routers\n\
lr-exists LR exit 2 if LR does not exist\n\
\n\
MAC binding commands:\n\
add-ucast-local LS MAC [ENCAP] IP add ucast local entry in LS\n\
del-ucast-local LS MAC del ucast local entry from LS\n\
add-mcast-local LS MAC [ENCAP] IP add mcast local entry in LS\n\
del-mcast-local LS MAC [ENCAP] IP del mcast local entry from LS\n\
clear-local-macs LS clear local mac entries\n\
list-local-macs LS list local mac entries\n\
add-ucast-remote LS MAC [ENCAP] IP add ucast remote entry in LS\n\
del-ucast-remote LS MAC del ucast remote entry from LS\n\
add-mcast-remote LS MAC [ENCAP] IP add mcast remote entry in LS\n\
del-mcast-remote LS MAC [ENCAP] IP del mcast remote entry from LS\n\
clear-remote-macs LS clear remote mac entries\n\
list-remote-macs LS list remote mac entries\n\
\n\
%s\
%s\
\n\
Options:\n\
--db=DATABASE connect to DATABASE\n\
(default: %s)\n\
-t, --timeout=SECS wait at most SECS seconds\n\
--dry-run do not commit changes to database\n\
--oneline print exactly one line of output per command\n",
program_name, program_name, ctl_get_db_cmd_usage(),
ctl_list_db_tables_usage(), ctl_default_db());
table_usage();
vlog_usage();
printf("\
--no-syslog equivalent to --verbose=vtep_ctl:syslog:warn\n");
stream_usage("database", true, true, false);
printf("\n\
Other options:\n\
-h, --help display this help message\n\
-V, --version display version information\n");
exit(EXIT_SUCCESS);
}
static struct cmd_show_table cmd_show_tables[] = {
{&vteprec_table_global,
NULL,
{&vteprec_global_col_managers,
&vteprec_global_col_switches,
NULL},
{NULL, NULL, NULL}
},
{&vteprec_table_manager,
&vteprec_manager_col_target,
{&vteprec_manager_col_is_connected,
NULL,
NULL},
{NULL, NULL, NULL}
},
{&vteprec_table_physical_switch,
&vteprec_physical_switch_col_name,
{&vteprec_physical_switch_col_management_ips,
&vteprec_physical_switch_col_tunnel_ips,
&vteprec_physical_switch_col_ports},
{NULL, NULL, NULL}
},
{&vteprec_table_physical_port,
&vteprec_physical_port_col_name,
{&vteprec_physical_port_col_vlan_bindings,
NULL,
NULL},
{NULL, NULL, NULL}
},
{&vteprec_table_logical_switch,
&vteprec_logical_switch_col_name,
{NULL,
NULL,
NULL},
{NULL, NULL, NULL}
},
{NULL, NULL, {NULL, NULL, NULL}, {NULL, NULL, NULL}}
};
/* vtep-ctl specific context. Inherits the 'struct ctl_context' as base. */
struct vtep_ctl_context {
struct ctl_context base;
/* Modifiable state. */
const struct vteprec_global *vtep_global;
bool verified_ports;
/* A cache of the contents of the database.
*
* A command that needs to use any of this information must first
* call vtep_ctl_context_populate_cache(). A command that changes
* anything that could invalidate the cache must either call
* vtep_ctl_context_invalidate_cache() or manually update the cache
* to maintain its correctness. */
bool cache_valid;
struct shash pswitches; /* Maps from physical switch name to
* struct vtep_ctl_pswitch. */
struct shash ports; /* Maps from port name to struct vtep_ctl_port. */
struct shash lswitches; /* Maps from logical switch name to
* struct vtep_ctl_lswitch. */
struct shash plocs; /* Maps from "<encap>+<dst_ip>" to
* struct vteprec_physical_locator. */
struct shash lrouters; /* Maps from logical router name to
* struct vtep_ctl_lrouter. */
};
/* Casts 'base' into 'struct vtep_ctl_context'. */
static struct vtep_ctl_context *
vtep_ctl_context_cast(struct ctl_context *base)
{
return CONTAINER_OF(base, struct vtep_ctl_context, base);
}
struct vtep_ctl_pswitch {
const struct vteprec_physical_switch *ps_cfg;
char *name;
struct ovs_list ports; /* Contains "struct vteprec_physical_port"s. */
};
struct vtep_ctl_port {
struct ovs_list ports_node; /* In struct vtep_ctl_pswitch's 'ports' list. */
const struct vteprec_physical_port *port_cfg;
struct vtep_ctl_pswitch *ps;
struct shash bindings; /* Maps from vlan to vtep_ctl_lswitch. */
};
struct vtep_ctl_lswitch {
const struct vteprec_logical_switch *ls_cfg;
char *name;
struct shash ucast_local; /* Maps from mac to vteprec_ucast_macs_local. */
struct shash ucast_remote; /* Maps from mac to vteprec_ucast_macs_remote.*/
struct shash mcast_local; /* Maps from mac to vtep_ctl_mcast_mac. */
struct shash mcast_remote; /* Maps from mac to vtep_ctl_mcast_mac. */
};
struct vtep_ctl_lrouter {
const struct vteprec_logical_router *lr_cfg;
char *name;
};
struct vtep_ctl_mcast_mac {
const struct vteprec_mcast_macs_local *local_cfg;
const struct vteprec_mcast_macs_remote *remote_cfg;
const struct vteprec_physical_locator_set *ploc_set_cfg;
struct ovs_list locators; /* Contains 'vtep_ctl_ploc's. */
};
struct vtep_ctl_ploc {
struct ovs_list locators_node; /* In struct vtep_ctl_ploc_set's 'locators'
list. */
const struct vteprec_physical_locator *ploc_cfg;
};
static void
verify_ports(struct vtep_ctl_context *vtepctl_ctx)
{
if (!vtepctl_ctx->verified_ports) {
const struct vteprec_physical_switch *ps;
vteprec_global_verify_switches(vtepctl_ctx->vtep_global);
VTEPREC_PHYSICAL_SWITCH_FOR_EACH (ps, vtepctl_ctx->base.idl) {
vteprec_physical_switch_verify_ports(ps);
}
vtepctl_ctx->verified_ports = true;
}
}
static struct vtep_ctl_port *
add_port_to_cache(struct vtep_ctl_context *vtepctl_ctx,
struct vtep_ctl_pswitch *ps,
struct vteprec_physical_port *port_cfg)
{
char *cache_name = xasprintf("%s+%s", ps->name, port_cfg->name);
struct vtep_ctl_port *port;
port = xmalloc(sizeof *port);
ovs_list_push_back(&ps->ports, &port->ports_node);
port->port_cfg = port_cfg;
port->ps = ps;
shash_add(&vtepctl_ctx->ports, cache_name, port);
free(cache_name);
shash_init(&port->bindings);
return port;
}
static void
del_cached_port(struct vtep_ctl_context *vtepctl_ctx,
struct vtep_ctl_port *port)
{
char *cache_name = xasprintf("%s+%s", port->ps->name, port->port_cfg->name);
ovs_list_remove(&port->ports_node);
shash_find_and_delete(&vtepctl_ctx->ports, cache_name);
vteprec_physical_port_delete(port->port_cfg);
shash_destroy(&port->bindings);
free(cache_name);
free(port);
}
static void
add_pswitch_to_cache(struct vtep_ctl_context *vtepctl_ctx,
struct vteprec_physical_switch *ps_cfg)
{
struct vtep_ctl_pswitch *ps = xmalloc(sizeof *ps);
ps->ps_cfg = ps_cfg;
ps->name = xstrdup(ps_cfg->name);
ovs_list_init(&ps->ports);
shash_add(&vtepctl_ctx->pswitches, ps->name, ps);
}
static void
vtep_delete_pswitch(const struct vteprec_global *vtep_global,
const struct vteprec_physical_switch *ps)
{
struct vteprec_physical_switch **pswitches;
size_t i, n;
pswitches = xmalloc(sizeof *vtep_global->switches
* vtep_global->n_switches);
for (i = n = 0; i < vtep_global->n_switches; i++) {
if (vtep_global->switches[i] != ps) {
pswitches[n++] = vtep_global->switches[i];
}
}
vteprec_global_set_switches(vtep_global, pswitches, n);
free(pswitches);
}
static void
del_cached_pswitch(struct vtep_ctl_context *ctx, struct vtep_ctl_pswitch *ps)
{
ovs_assert(ovs_list_is_empty(&ps->ports));
if (ps->ps_cfg) {
vteprec_physical_switch_delete(ps->ps_cfg);
vtep_delete_pswitch(ctx->vtep_global, ps->ps_cfg);
}
shash_find_and_delete(&ctx->pswitches, ps->name);
free(ps->name);
free(ps);
}
static struct vtep_ctl_lswitch *
add_lswitch_to_cache(struct vtep_ctl_context *vtepctl_ctx,
const struct vteprec_logical_switch *ls_cfg)
{
struct vtep_ctl_lswitch *ls = xmalloc(sizeof *ls);
ls->ls_cfg = ls_cfg;
ls->name = xstrdup(ls_cfg->name);
shash_add(&vtepctl_ctx->lswitches, ls->name, ls);
shash_init(&ls->ucast_local);
shash_init(&ls->ucast_remote);
shash_init(&ls->mcast_local);
shash_init(&ls->mcast_remote);
return ls;
}
static void
del_cached_lswitch(struct vtep_ctl_context *ctx, struct vtep_ctl_lswitch *ls)
{
if (ls->ls_cfg) {
vteprec_logical_switch_delete(ls->ls_cfg);
}
shash_find_and_delete(&ctx->lswitches, ls->name);
free(ls->name);
free(ls);
}
static void
commit_ls_bindings(struct vtep_ctl_port *port)
{
struct vteprec_logical_switch **binding_values;
int64_t *binding_keys;
size_t n_bindings;
struct shash_node *node;
int i;
n_bindings = shash_count(&port->bindings);
binding_keys = xmalloc(n_bindings * sizeof *binding_keys);
binding_values = xmalloc(n_bindings * sizeof *binding_values);
i = 0;
SHASH_FOR_EACH(node, &port->bindings) {
struct vtep_ctl_lswitch *ls_entry = node->data;
binding_keys[i] = strtoll(node->name, NULL, 0);
binding_values[i] = (struct vteprec_logical_switch *)ls_entry->ls_cfg;
i++;
}
vteprec_physical_port_set_vlan_bindings(port->port_cfg,
binding_keys, binding_values,
n_bindings);
free(binding_values);
free(binding_keys);
}
static void
add_ls_binding_to_cache(struct vtep_ctl_port *port,
const char *vlan,
struct vtep_ctl_lswitch *ls)
{
if (shash_find(&port->bindings, vlan)) {
ctl_fatal("multiple bindings for vlan %s", vlan);
}
shash_add(&port->bindings, vlan, ls);
}
static void
del_cached_ls_binding(struct vtep_ctl_port *port, const char *vlan)
{
if (!shash_find(&port->bindings, vlan)) {
ctl_fatal("no binding for vlan %s", vlan);
}
shash_find_and_delete(&port->bindings, vlan);
}
static struct vtep_ctl_lrouter *
add_lrouter_to_cache(struct vtep_ctl_context *vtepctl_ctx,
const struct vteprec_logical_router *lr_cfg)
{
struct vtep_ctl_lrouter *lr = xmalloc(sizeof *lr);
lr->lr_cfg = lr_cfg;
lr->name = xstrdup(lr_cfg->name);
shash_add(&vtepctl_ctx->lrouters, lr->name, lr);
return lr;
}
static void
del_cached_lrouter(struct vtep_ctl_context *ctx, struct vtep_ctl_lrouter *lr)
{
if (lr->lr_cfg) {
vteprec_logical_router_delete(lr->lr_cfg);
}
shash_find_and_delete(&ctx->lrouters, lr->name);
free(lr->name);
free(lr);
}
static struct vteprec_physical_locator *
find_ploc(struct vtep_ctl_context *vtepctl_ctx, const char *encap,
const char *dst_ip)
{
struct vteprec_physical_locator *ploc;
char *name = xasprintf("%s+%s", encap, dst_ip);
ovs_assert(vtepctl_ctx->cache_valid);
ploc = shash_find_data(&vtepctl_ctx->plocs, name);
free(name);
return ploc;
}
static void
add_ploc_to_cache(struct vtep_ctl_context *vtepctl_ctx,
struct vteprec_physical_locator *ploc)
{
char *name = xasprintf("%s+%s", ploc->encapsulation_type, ploc->dst_ip);
struct vteprec_physical_locator *orig_ploc;
orig_ploc = find_ploc(vtepctl_ctx, ploc->encapsulation_type, ploc->dst_ip);
if (!orig_ploc) {
shash_add(&vtepctl_ctx->plocs, name, ploc);
}
free(name);
}
static void
add_ploc_to_mcast_mac(struct vtep_ctl_mcast_mac *mcast_mac,
struct vteprec_physical_locator *ploc_cfg)
{
struct vtep_ctl_ploc *ploc;
ploc = xmalloc(sizeof *ploc);
ploc->ploc_cfg = ploc_cfg;
ovs_list_push_back(&mcast_mac->locators, &ploc->locators_node);
}
static void
del_ploc_from_mcast_mac(struct vtep_ctl_mcast_mac *mcast_mac,
struct vteprec_physical_locator *ploc_cfg)
{
struct vtep_ctl_ploc *ploc;
LIST_FOR_EACH (ploc, locators_node, &mcast_mac->locators) {
if (ploc->ploc_cfg == ploc_cfg) {
ovs_list_remove(&ploc->locators_node);
free(ploc);
return;
}
}
}
static struct vtep_ctl_mcast_mac *
add_mcast_mac_to_cache(struct vtep_ctl_context *vtepctl_ctx,
struct vtep_ctl_lswitch *ls, const char *mac,
struct vteprec_physical_locator_set *ploc_set_cfg,
bool local)
{
struct vtep_ctl_mcast_mac *mcast_mac;
struct shash *mcast_shash;
size_t i;
mcast_mac = xmalloc(sizeof *mcast_mac);
mcast_shash = local ? &ls->mcast_local : &ls->mcast_remote;
mcast_mac->ploc_set_cfg = ploc_set_cfg;
ovs_list_init(&mcast_mac->locators);
shash_add(mcast_shash, mac, mcast_mac);
for (i = 0; i < ploc_set_cfg->n_locators; i++) {
struct vteprec_physical_locator *ploc_cfg;
ploc_cfg = ploc_set_cfg->locators[i];
add_ploc_to_mcast_mac(mcast_mac, ploc_cfg);
add_ploc_to_cache(vtepctl_ctx, ploc_cfg);
}
return mcast_mac;
}
static void
vtep_ctl_context_invalidate_cache(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct shash_node *node;
if (!vtepctl_ctx->cache_valid) {
return;
}
vtepctl_ctx->cache_valid = false;
SHASH_FOR_EACH (node, &vtepctl_ctx->pswitches) {
struct vtep_ctl_pswitch *ps = node->data;
free(ps->name);
free(ps);
}
shash_destroy(&vtepctl_ctx->pswitches);
SHASH_FOR_EACH (node, &vtepctl_ctx->ports) {
struct vtep_ctl_port *port = node->data;
shash_destroy(&port->bindings);
}
shash_destroy_free_data(&vtepctl_ctx->ports);
SHASH_FOR_EACH (node, &vtepctl_ctx->lswitches) {
struct vtep_ctl_lswitch *ls = node->data;
struct shash_node *node2;
shash_destroy(&ls->ucast_local);
shash_destroy(&ls->ucast_remote);
SHASH_FOR_EACH_SAFE (node2, &ls->mcast_local) {
struct vtep_ctl_mcast_mac *mcast_mac = node2->data;
struct vtep_ctl_ploc *ploc;
LIST_FOR_EACH_SAFE (ploc, locators_node,
&mcast_mac->locators) {
free(ploc);
}
free(mcast_mac);
}
shash_destroy(&ls->mcast_local);
SHASH_FOR_EACH_SAFE (node2, &ls->mcast_remote) {
struct vtep_ctl_mcast_mac *mcast_mac = node2->data;
struct vtep_ctl_ploc *ploc;
LIST_FOR_EACH_SAFE (ploc, locators_node,
&mcast_mac->locators) {
free(ploc);
}
free(mcast_mac);
}
shash_destroy(&ls->mcast_remote);
free(ls->name);
free(ls);
}
shash_destroy(&vtepctl_ctx->lswitches);
shash_destroy(&vtepctl_ctx->plocs);
SHASH_FOR_EACH (node, &vtepctl_ctx->lrouters) {
struct vtep_ctl_lrouter *lr = node->data;
free(lr->name);
free(lr);
}
shash_destroy(&vtepctl_ctx->lrouters);
}
static void
pre_get_info(struct ctl_context *ctx)
{
ovsdb_idl_add_column(ctx->idl, &vteprec_global_col_switches);
ovsdb_idl_add_column(ctx->idl, &vteprec_physical_switch_col_name);
ovsdb_idl_add_column(ctx->idl, &vteprec_physical_switch_col_ports);
ovsdb_idl_add_column(ctx->idl, &vteprec_physical_switch_col_tunnels);
ovsdb_idl_add_column(ctx->idl, &vteprec_physical_port_col_name);
ovsdb_idl_add_column(ctx->idl, &vteprec_physical_port_col_vlan_bindings);
ovsdb_idl_add_column(ctx->idl, &vteprec_logical_switch_col_name);
ovsdb_idl_add_column(ctx->idl,
&vteprec_logical_switch_col_replication_mode);
ovsdb_idl_add_column(ctx->idl, &vteprec_logical_router_col_name);
ovsdb_idl_add_column(ctx->idl, &vteprec_ucast_macs_local_col_MAC);
ovsdb_idl_add_column(ctx->idl, &vteprec_ucast_macs_local_col_locator);
ovsdb_idl_add_column(ctx->idl,
&vteprec_ucast_macs_local_col_logical_switch);
ovsdb_idl_add_column(ctx->idl, &vteprec_ucast_macs_remote_col_MAC);
ovsdb_idl_add_column(ctx->idl, &vteprec_ucast_macs_remote_col_locator);
ovsdb_idl_add_column(ctx->idl,
&vteprec_ucast_macs_remote_col_logical_switch);
ovsdb_idl_add_column(ctx->idl, &vteprec_mcast_macs_local_col_MAC);
ovsdb_idl_add_column(ctx->idl,
&vteprec_mcast_macs_local_col_locator_set);
ovsdb_idl_add_column(ctx->idl,
&vteprec_mcast_macs_local_col_logical_switch);
ovsdb_idl_add_column(ctx->idl, &vteprec_mcast_macs_remote_col_MAC);
ovsdb_idl_add_column(ctx->idl,
&vteprec_mcast_macs_remote_col_locator_set);
ovsdb_idl_add_column(ctx->idl,
&vteprec_mcast_macs_remote_col_logical_switch);
ovsdb_idl_add_column(ctx->idl,
&vteprec_physical_locator_set_col_locators);
ovsdb_idl_add_column(ctx->idl,
&vteprec_physical_locator_col_dst_ip);
ovsdb_idl_add_column(ctx->idl,
&vteprec_physical_locator_col_encapsulation_type);
ovsdb_idl_add_column(ctx->idl, &vteprec_tunnel_col_local);
ovsdb_idl_add_column(ctx->idl, &vteprec_tunnel_col_remote);
}
static void
vtep_ctl_context_populate_cache(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
const struct vteprec_global *vtep_global = vtepctl_ctx->vtep_global;
const struct vteprec_logical_switch *ls_cfg;
const struct vteprec_logical_router *lr_cfg;
const struct vteprec_ucast_macs_local *ucast_local_cfg;
const struct vteprec_ucast_macs_remote *ucast_remote_cfg;
const struct vteprec_mcast_macs_local *mcast_local_cfg;
const struct vteprec_mcast_macs_remote *mcast_remote_cfg;
const struct vteprec_tunnel *tunnel_cfg;
struct sset pswitches, ports, lswitches;
struct sset lrouters;
size_t i;
if (vtepctl_ctx->cache_valid) {
/* Cache is already populated. */
return;
}
vtepctl_ctx->cache_valid = true;
shash_init(&vtepctl_ctx->pswitches);
shash_init(&vtepctl_ctx->ports);
shash_init(&vtepctl_ctx->lswitches);
shash_init(&vtepctl_ctx->plocs);
shash_init(&vtepctl_ctx->lrouters);
sset_init(&pswitches);
sset_init(&ports);
for (i = 0; i < vtep_global->n_switches; i++) {
struct vteprec_physical_switch *ps_cfg = vtep_global->switches[i];
size_t j;
if (!sset_add(&pswitches, ps_cfg->name)) {
VLOG_WARN("%s: database contains duplicate physical switch name",
ps_cfg->name);
continue;
}
add_pswitch_to_cache(vtepctl_ctx, ps_cfg);
for (j = 0; j < ps_cfg->n_ports; j++) {
struct vteprec_physical_port *port_cfg = ps_cfg->ports[j];
if (!sset_add(&ports, port_cfg->name)) {
/* Duplicate port name. (We will warn about that later.) */
continue;
}
}
}
sset_destroy(&pswitches);
sset_destroy(&ports);
sset_init(&lswitches);
VTEPREC_LOGICAL_SWITCH_FOR_EACH (ls_cfg, ctx->idl) {
if (!sset_add(&lswitches, ls_cfg->name)) {
VLOG_WARN("%s: database contains duplicate logical switch name",
ls_cfg->name);
continue;
}
add_lswitch_to_cache(vtepctl_ctx, ls_cfg);
}
sset_destroy(&lswitches);
sset_init(&lrouters);
VTEPREC_LOGICAL_ROUTER_FOR_EACH (lr_cfg, ctx->idl) {
if (!sset_add(&lrouters, lr_cfg->name)) {
VLOG_WARN("%s: database contains duplicate logical router name",
lr_cfg->name);
continue;
}
add_lrouter_to_cache(vtepctl_ctx, lr_cfg);
}
sset_destroy(&lrouters);
VTEPREC_UCAST_MACS_LOCAL_FOR_EACH (ucast_local_cfg, ctx->idl) {
struct vtep_ctl_lswitch *ls;
if (!ucast_local_cfg->logical_switch) {
continue;
}
ls = find_lswitch(vtepctl_ctx, ucast_local_cfg->logical_switch->name,
false);
if (!ls) {
continue;
}
if (ucast_local_cfg->locator) {
add_ploc_to_cache(vtepctl_ctx, ucast_local_cfg->locator);
}
shash_add(&ls->ucast_local, ucast_local_cfg->MAC, ucast_local_cfg);
}
VTEPREC_UCAST_MACS_REMOTE_FOR_EACH (ucast_remote_cfg, ctx->idl) {
struct vtep_ctl_lswitch *ls;
if (!ucast_remote_cfg->logical_switch) {
continue;
}
ls = find_lswitch(vtepctl_ctx, ucast_remote_cfg->logical_switch->name,
false);
if (!ls) {
continue;
}
if (ucast_remote_cfg->locator) {
add_ploc_to_cache(vtepctl_ctx, ucast_remote_cfg->locator);
}
shash_add(&ls->ucast_remote, ucast_remote_cfg->MAC, ucast_remote_cfg);
}
VTEPREC_MCAST_MACS_LOCAL_FOR_EACH (mcast_local_cfg, ctx->idl) {
struct vtep_ctl_mcast_mac *mcast_mac;
struct vtep_ctl_lswitch *ls;
if (!mcast_local_cfg->logical_switch) {
continue;
}
ls = find_lswitch(vtepctl_ctx, mcast_local_cfg->logical_switch->name,
false);
if (!ls) {
continue;
}
mcast_mac = add_mcast_mac_to_cache(vtepctl_ctx, ls, mcast_local_cfg->MAC,
mcast_local_cfg->locator_set,
true);
mcast_mac->local_cfg = mcast_local_cfg;
}
VTEPREC_MCAST_MACS_REMOTE_FOR_EACH (mcast_remote_cfg, ctx->idl) {
struct vtep_ctl_mcast_mac *mcast_mac;
struct vtep_ctl_lswitch *ls;
if (!mcast_remote_cfg->logical_switch) {
continue;
}
ls = find_lswitch(vtepctl_ctx, mcast_remote_cfg->logical_switch->name,
false);
if (!ls) {
continue;
}
mcast_mac = add_mcast_mac_to_cache(vtepctl_ctx, ls, mcast_remote_cfg->MAC,
mcast_remote_cfg->locator_set,
false);
mcast_mac->remote_cfg = mcast_remote_cfg;
}
VTEPREC_TUNNEL_FOR_EACH (tunnel_cfg, ctx->idl) {
if (tunnel_cfg->local) {
add_ploc_to_cache(vtepctl_ctx, tunnel_cfg->local);
}
if (tunnel_cfg->remote) {
add_ploc_to_cache(vtepctl_ctx, tunnel_cfg->remote);
}
}
sset_init(&pswitches);
for (i = 0; i < vtep_global->n_switches; i++) {
struct vteprec_physical_switch *ps_cfg = vtep_global->switches[i];
struct vtep_ctl_pswitch *ps;
size_t j;
if (!sset_add(&pswitches, ps_cfg->name)) {
continue;
}
ps = shash_find_data(&vtepctl_ctx->pswitches, ps_cfg->name);
ovs_assert(ps);
for (j = 0; j < ps_cfg->n_ports; j++) {
struct vteprec_physical_port *port_cfg = ps_cfg->ports[j];
struct vtep_ctl_port *port;
size_t k;
port = shash_find_data(&vtepctl_ctx->ports, port_cfg->name);
if (port) {
if (port_cfg == port->port_cfg) {
VLOG_WARN("%s: port is in multiple physical switches "
"(%s and %s)",
port_cfg->name, ps->name, port->ps->name);
} else {
/* Log as an error because this violates the database's
* uniqueness constraints, so the database server shouldn't
* have allowed it. */
VLOG_ERR("%s: database contains duplicate port name",
port_cfg->name);
}
continue;
}
port = add_port_to_cache(vtepctl_ctx, ps, port_cfg);
for (k = 0; k < port_cfg->n_vlan_bindings; k++) {
struct vtep_ctl_lswitch *ls;
char *vlan;
vlan = xasprintf("%"PRId64, port_cfg->key_vlan_bindings[k]);
if (shash_find(&port->bindings, vlan)) {
ctl_fatal("multiple bindings for vlan %s", vlan);
}
ls_cfg = port_cfg->value_vlan_bindings[k];
ls = find_lswitch(vtepctl_ctx, ls_cfg->name, true);
shash_add_nocopy(&port->bindings, vlan, ls);
}
}
}
sset_destroy(&pswitches);
}
static struct vtep_ctl_pswitch *
find_pswitch(struct vtep_ctl_context *vtepctl_ctx, const char *name, bool must_exist)
{
struct vtep_ctl_pswitch *ps;
ovs_assert(vtepctl_ctx->cache_valid);
ps = shash_find_data(&vtepctl_ctx->pswitches, name);
if (must_exist && !ps) {
ctl_fatal("no physical switch named %s", name);
}
vteprec_global_verify_switches(vtepctl_ctx->vtep_global);
return ps;
}
static struct vtep_ctl_port *
find_port(struct vtep_ctl_context *vtepctl_ctx, const char *ps_name,
const char *port_name, bool must_exist)
{
char *cache_name = xasprintf("%s+%s", ps_name, port_name);
struct vtep_ctl_port *port;
ovs_assert(vtepctl_ctx->cache_valid);
port = shash_find_data(&vtepctl_ctx->ports, cache_name);
if (port && !strcmp(port_name, port->ps->name)) {
port = NULL;
}
free(cache_name);
if (must_exist && !port) {
ctl_fatal("no port named %s", port_name);
}
verify_ports(vtepctl_ctx);
return port;
}
static void
pswitch_insert_port(const struct vteprec_physical_switch *ps,
struct vteprec_physical_port *port)
{
struct vteprec_physical_port **ports;
size_t i;
ports = xmalloc(sizeof *ps->ports * (ps->n_ports + 1));
for (i = 0; i < ps->n_ports; i++) {
ports[i] = ps->ports[i];
}
ports[ps->n_ports] = port;
vteprec_physical_switch_set_ports(ps, ports, ps->n_ports + 1);
free(ports);
}
static void
pswitch_delete_port(const struct vteprec_physical_switch *ps,
const struct vteprec_physical_port *port)
{
struct vteprec_physical_port **ports;
size_t i, n;
ports = xmalloc(sizeof *ps->ports * ps->n_ports);
for (i = n = 0; i < ps->n_ports; i++) {
if (ps->ports[i] != port) {
ports[n++] = ps->ports[i];
}
}
vteprec_physical_switch_set_ports(ps, ports, n);
free(ports);
}
static void
vtep_insert_pswitch(const struct vteprec_global *vtep_global,
struct vteprec_physical_switch *ps)
{
struct vteprec_physical_switch **pswitches;
size_t i;
pswitches = xmalloc(sizeof *vtep_global->switches
* (vtep_global->n_switches + 1));
for (i = 0; i < vtep_global->n_switches; i++) {
pswitches[i] = vtep_global->switches[i];
}
pswitches[vtep_global->n_switches] = ps;
vteprec_global_set_switches(vtep_global, pswitches,
vtep_global->n_switches + 1);
free(pswitches);
}
static void
cmd_add_ps(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
const char *ps_name = ctx->argv[1];
bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
struct vteprec_physical_switch *ps;
vtep_ctl_context_populate_cache(ctx);
if (find_pswitch(vtepctl_ctx, ps_name, false)) {
if (!may_exist) {
ctl_fatal("cannot create physical switch %s because it "
"already exists", ps_name);
}
return;
}
ps = vteprec_physical_switch_insert(ctx->txn);
vteprec_physical_switch_set_name(ps, ps_name);
vtep_insert_pswitch(vtepctl_ctx->vtep_global, ps);
vtep_ctl_context_invalidate_cache(ctx);
}
static void
del_port(struct vtep_ctl_context *vtepctl_ctx, struct vtep_ctl_port *port)
{
pswitch_delete_port(port->ps->ps_cfg, port->port_cfg);
del_cached_port(vtepctl_ctx, port);
}
static void
del_pswitch(struct vtep_ctl_context *vtepctl_ctx, struct vtep_ctl_pswitch *ps)
{
struct vtep_ctl_port *port;
LIST_FOR_EACH_SAFE (port, ports_node, &ps->ports) {
del_port(vtepctl_ctx, port);
}
del_cached_pswitch(vtepctl_ctx, ps);
}
static void
cmd_del_ps(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
bool must_exist = !shash_find(&ctx->options, "--if-exists");
struct vtep_ctl_pswitch *ps;
vtep_ctl_context_populate_cache(ctx);
ps = find_pswitch(vtepctl_ctx, ctx->argv[1], must_exist);
if (ps) {
del_pswitch(vtepctl_ctx, ps);
}
}
static void
output_sorted(struct svec *svec, struct ds *output)
{
const char *name;
size_t i;
svec_sort(svec);
SVEC_FOR_EACH (i, name, svec) {
ds_put_format(output, "%s\n", name);
}
}
static void
cmd_list_ps(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct shash_node *node;
struct svec pswitches;
vtep_ctl_context_populate_cache(ctx);
svec_init(&pswitches);
SHASH_FOR_EACH (node, &vtepctl_ctx->pswitches) {
struct vtep_ctl_pswitch *ps = node->data;
svec_add(&pswitches, ps->name);
}
output_sorted(&pswitches, &ctx->output);
svec_destroy(&pswitches);
}
static void
cmd_ps_exists(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
vtep_ctl_context_populate_cache(ctx);
if (!find_pswitch(vtepctl_ctx, ctx->argv[1], false)) {
vtep_ctl_exit(2);
}
}
static void
cmd_list_ports(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_pswitch *ps;
struct vtep_ctl_port *port;
struct svec ports;
vtep_ctl_context_populate_cache(ctx);
ps = find_pswitch(vtepctl_ctx, ctx->argv[1], true);
vteprec_physical_switch_verify_ports(ps->ps_cfg);
svec_init(&ports);
LIST_FOR_EACH (port, ports_node, &ps->ports) {
if (strcmp(port->port_cfg->name, ps->name)) {
svec_add(&ports, port->port_cfg->name);
}
}
output_sorted(&ports, &ctx->output);
svec_destroy(&ports);
}
static void
add_port(struct ctl_context *ctx, const char *ps_name,
const char *port_name, bool may_exist)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_port *vtep_ctl_port;
struct vtep_ctl_pswitch *ps;
struct vteprec_physical_port *port;
vtep_ctl_context_populate_cache(ctx);
vtep_ctl_port = find_port(vtepctl_ctx, ps_name, port_name, false);
if (vtep_ctl_port) {
if (!may_exist) {
ctl_fatal("cannot create a port named %s on %s because a "
"port with that name already exists",
port_name, ps_name);
}
return;
}
ps = find_pswitch(vtepctl_ctx, ps_name, true);
port = vteprec_physical_port_insert(ctx->txn);
vteprec_physical_port_set_name(port, port_name);
pswitch_insert_port(ps->ps_cfg, port);
add_port_to_cache(vtepctl_ctx, ps, port);
}
static void
cmd_add_port(struct ctl_context *ctx)
{
bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
add_port(ctx, ctx->argv[1], ctx->argv[2], may_exist);
}
static void
cmd_del_port(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
bool must_exist = !shash_find(&ctx->options, "--if-exists");
struct vtep_ctl_port *port;
vtep_ctl_context_populate_cache(ctx);
port = find_port(vtepctl_ctx, ctx->argv[1], ctx->argv[2], must_exist);
if (port) {
if (ctx->argc == 3) {
struct vtep_ctl_pswitch *ps;
ps = find_pswitch(vtepctl_ctx, ctx->argv[1], true);
if (port->ps != ps) {
ctl_fatal("physical switch %s does not have a port %s",
ctx->argv[1], ctx->argv[2]);
}
}
del_port(vtepctl_ctx, port);
}
}
static struct vtep_ctl_lswitch *
find_lswitch(struct vtep_ctl_context *vtepctl_ctx,
const char *name, bool must_exist)
{
struct vtep_ctl_lswitch *ls;
ovs_assert(vtepctl_ctx->cache_valid);
ls = shash_find_data(&vtepctl_ctx->lswitches, name);
if (must_exist && !ls) {
ctl_fatal("no logical switch named %s", name);
}
return ls;
}
static void
cmd_add_ls(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
const char *ls_name = ctx->argv[1];
bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
struct vteprec_logical_switch *ls;
vtep_ctl_context_populate_cache(ctx);
if (find_lswitch(vtepctl_ctx, ls_name, false)) {
if (!may_exist) {
ctl_fatal("cannot create logical switch %s because it "
"already exists", ls_name);
}
return;
}
ls = vteprec_logical_switch_insert(ctx->txn);
vteprec_logical_switch_set_name(ls, ls_name);
vtep_ctl_context_invalidate_cache(ctx);
}
static void
del_lswitch(struct vtep_ctl_context *vtepctl_ctx, struct vtep_ctl_lswitch *ls)
{
del_cached_lswitch(vtepctl_ctx, ls);
}
static void
cmd_del_ls(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
bool must_exist = !shash_find(&ctx->options, "--if-exists");
struct vtep_ctl_lswitch *ls;
vtep_ctl_context_populate_cache(ctx);
ls = find_lswitch(vtepctl_ctx, ctx->argv[1], must_exist);
if (ls) {
del_lswitch(vtepctl_ctx, ls);
}
}
static void
cmd_list_ls(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct shash_node *node;
struct svec lswitches;
vtep_ctl_context_populate_cache(ctx);
svec_init(&lswitches);
SHASH_FOR_EACH (node, &vtepctl_ctx->lswitches) {
struct vtep_ctl_lswitch *ls = node->data;
svec_add(&lswitches, ls->name);
}
output_sorted(&lswitches, &ctx->output);
svec_destroy(&lswitches);
}
static void
cmd_ls_exists(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
vtep_ctl_context_populate_cache(ctx);
if (!find_lswitch(vtepctl_ctx, ctx->argv[1], false)) {
vtep_ctl_exit(2);
}
}
static void
cmd_list_bindings(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
const struct shash_node *node;
struct vtep_ctl_port *port;
struct svec bindings;
vtep_ctl_context_populate_cache(ctx);
port = find_port(vtepctl_ctx, ctx->argv[1], ctx->argv[2], true);
svec_init(&bindings);
SHASH_FOR_EACH (node, &port->bindings) {
struct vtep_ctl_lswitch *lswitch = node->data;
char *binding;
binding = xasprintf("%04lld %s", strtoll(node->name, NULL, 0),
lswitch->name);
svec_add_nocopy(&bindings, binding);
}
output_sorted(&bindings, &ctx->output);
svec_destroy(&bindings);
}
static void
cmd_bind_ls(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_lswitch *ls;
struct vtep_ctl_port *port;
const char *vlan;
vtep_ctl_context_populate_cache(ctx);
port = find_port(vtepctl_ctx, ctx->argv[1], ctx->argv[2], true);
vlan = ctx->argv[3];
ls = find_lswitch(vtepctl_ctx, ctx->argv[4], true);
add_ls_binding_to_cache(port, vlan, ls);
commit_ls_bindings(port);
vtep_ctl_context_invalidate_cache(ctx);
}
static void
cmd_unbind_ls(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_port *port;
const char *vlan;
vtep_ctl_context_populate_cache(ctx);
port = find_port(vtepctl_ctx, ctx->argv[1], ctx->argv[2], true);
vlan = ctx->argv[3];
del_cached_ls_binding(port, vlan);
commit_ls_bindings(port);
vtep_ctl_context_invalidate_cache(ctx);
}
static void
cmd_set_replication_mode(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_lswitch *ls;
const char *ls_name = ctx->argv[1];
vtep_ctl_context_populate_cache(ctx);
if (strcmp(ctx->argv[2], "service_node") &&
strcmp(ctx->argv[2], "source_node")) {
ctl_fatal("Replication mode must be 'service_node' or 'source_node'");
}
ls = find_lswitch(vtepctl_ctx, ls_name, true);
vteprec_logical_switch_set_replication_mode(ls->ls_cfg, ctx->argv[2]);
vtep_ctl_context_invalidate_cache(ctx);
}
static void
cmd_get_replication_mode(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_lswitch *ls;
const char *ls_name = ctx->argv[1];
vtep_ctl_context_populate_cache(ctx);
ls = find_lswitch(vtepctl_ctx, ls_name, true);
ds_put_format(&ctx->output, "%s\n", ls->ls_cfg->replication_mode);
}
static struct vtep_ctl_lrouter *
find_lrouter(struct vtep_ctl_context *vtepctl_ctx,
const char *name, bool must_exist)
{
struct vtep_ctl_lrouter *lr;
ovs_assert(vtepctl_ctx->cache_valid);
lr = shash_find_data(&vtepctl_ctx->lrouters, name);
if (must_exist && !lr) {
ctl_fatal("no logical router named %s", name);
}
return lr;
}
static void
cmd_add_lr(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
const char *lr_name = ctx->argv[1];
bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
struct vteprec_logical_router *lr;
vtep_ctl_context_populate_cache(ctx);
if (find_lrouter(vtepctl_ctx, lr_name, false)) {
if (!may_exist) {
ctl_fatal("cannot create logical router %s because it "
"already exists", lr_name);
}
return;
}
lr = vteprec_logical_router_insert(ctx->txn);
vteprec_logical_router_set_name(lr, lr_name);
vtep_ctl_context_invalidate_cache(ctx);
}
static void
del_lrouter(struct vtep_ctl_context *vtepctl_ctx, struct vtep_ctl_lrouter *lr)
{
del_cached_lrouter(vtepctl_ctx, lr);
}
static void
cmd_del_lr(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
bool must_exist = !shash_find(&ctx->options, "--if-exists");
struct vtep_ctl_lrouter *lr;
vtep_ctl_context_populate_cache(ctx);
lr = find_lrouter(vtepctl_ctx, ctx->argv[1], must_exist);
if (lr) {
del_lrouter(vtepctl_ctx, lr);
}
}
static void
cmd_list_lr(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct shash_node *node;
struct svec lrouters;
vtep_ctl_context_populate_cache(ctx);
svec_init(&lrouters);
SHASH_FOR_EACH (node, &vtepctl_ctx->lrouters) {
struct vtep_ctl_lrouter *lr = node->data;
svec_add(&lrouters, lr->name);
}
output_sorted(&lrouters, &ctx->output);
svec_destroy(&lrouters);
}
static void
cmd_lr_exists(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
vtep_ctl_context_populate_cache(ctx);
if (!find_lrouter(vtepctl_ctx, ctx->argv[1], false)) {
vtep_ctl_exit(2);
}
}
static void
add_ucast_entry(struct ctl_context *ctx, bool local)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_lswitch *ls;
const char *mac;
const char *encap;
const char *dst_ip;
struct vteprec_physical_locator *ploc_cfg;
vtep_ctl_context_populate_cache(ctx);
ls = find_lswitch(vtepctl_ctx, ctx->argv[1], true);
mac = ctx->argv[2];
if (ctx->argc == 4) {
encap = "vxlan_over_ipv4";
dst_ip = ctx->argv[3];
} else {
encap = ctx->argv[3];
dst_ip = ctx->argv[4];
}
ploc_cfg = find_ploc(vtepctl_ctx, encap, dst_ip);
if (!ploc_cfg) {
ploc_cfg = vteprec_physical_locator_insert(ctx->txn);
vteprec_physical_locator_set_dst_ip(ploc_cfg, dst_ip);
vteprec_physical_locator_set_encapsulation_type(ploc_cfg, encap);
add_ploc_to_cache(vtepctl_ctx, ploc_cfg);
}
if (local) {
struct vteprec_ucast_macs_local *ucast_cfg;
ucast_cfg = shash_find_data(&ls->ucast_local, mac);
if (!ucast_cfg) {
ucast_cfg = vteprec_ucast_macs_local_insert(ctx->txn);
vteprec_ucast_macs_local_set_MAC(ucast_cfg, mac);
vteprec_ucast_macs_local_set_logical_switch(ucast_cfg, ls->ls_cfg);
shash_add(&ls->ucast_local, mac, ucast_cfg);
}
vteprec_ucast_macs_local_set_locator(ucast_cfg, ploc_cfg);
} else {
struct vteprec_ucast_macs_remote *ucast_cfg;
ucast_cfg = shash_find_data(&ls->ucast_remote, mac);
if (!ucast_cfg) {
ucast_cfg = vteprec_ucast_macs_remote_insert(ctx->txn);
vteprec_ucast_macs_remote_set_MAC(ucast_cfg, mac);
vteprec_ucast_macs_remote_set_logical_switch(ucast_cfg, ls->ls_cfg);
shash_add(&ls->ucast_remote, mac, ucast_cfg);
}
vteprec_ucast_macs_remote_set_locator(ucast_cfg, ploc_cfg);
}
vtep_ctl_context_invalidate_cache(ctx);
}
static void
cmd_add_ucast_local(struct ctl_context *ctx)
{
add_ucast_entry(ctx, true);
}
static void
cmd_add_ucast_remote(struct ctl_context *ctx)
{
add_ucast_entry(ctx, false);
}
static void
del_ucast_entry(struct ctl_context *ctx, bool local)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_lswitch *ls;
struct shash *ucast_shash;
struct shash_node *node;
vtep_ctl_context_populate_cache(ctx);
ls = find_lswitch(vtepctl_ctx, ctx->argv[1], true);
ucast_shash = local ? &ls->ucast_local : &ls->ucast_remote;
node = shash_find(ucast_shash, ctx->argv[2]);
if (!node) {
return;
}
if (local) {
struct vteprec_ucast_macs_local *ucast_cfg = node->data;
vteprec_ucast_macs_local_delete(ucast_cfg);
} else {
struct vteprec_ucast_macs_remote *ucast_cfg = node->data;
vteprec_ucast_macs_remote_delete(ucast_cfg);
}
shash_delete(ucast_shash, node);
vtep_ctl_context_invalidate_cache(ctx);
}
static void
cmd_del_ucast_local(struct ctl_context *ctx)
{
del_ucast_entry(ctx, true);
}
static void
cmd_del_ucast_remote(struct ctl_context *ctx)
{
del_ucast_entry(ctx, false);
}
static void
commit_mcast_entries(struct vtep_ctl_mcast_mac *mcast_mac)
{
struct vtep_ctl_ploc *ploc;
struct vteprec_physical_locator **locators = NULL;
size_t n_locators;
int i;
n_locators = ovs_list_size(&mcast_mac->locators);
ovs_assert(n_locators);
locators = xmalloc(n_locators * sizeof *locators);
i = 0;
LIST_FOR_EACH (ploc, locators_node, &mcast_mac->locators) {
locators[i] = (struct vteprec_physical_locator *)ploc->ploc_cfg;
i++;
}
vteprec_physical_locator_set_set_locators(mcast_mac->ploc_set_cfg,
locators,
n_locators);
free(locators);
}
static void
add_mcast_entry(struct ctl_context *ctx,
struct vtep_ctl_lswitch *ls, const char *mac,
const char *encap, const char *dst_ip, bool local)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct shash *mcast_shash;
struct vtep_ctl_mcast_mac *mcast_mac;
struct vteprec_physical_locator *ploc_cfg;
struct vteprec_physical_locator_set *ploc_set_cfg;
mcast_shash = local ? &ls->mcast_local : &ls->mcast_remote;
/* Physical locator sets are immutable, so allocate a new one. */
ploc_set_cfg = vteprec_physical_locator_set_insert(ctx->txn);
mcast_mac = shash_find_data(mcast_shash, mac);
if (!mcast_mac) {
mcast_mac = add_mcast_mac_to_cache(vtepctl_ctx, ls, mac, ploc_set_cfg,
local);
if (local) {
mcast_mac->local_cfg = vteprec_mcast_macs_local_insert(ctx->txn);
vteprec_mcast_macs_local_set_MAC(mcast_mac->local_cfg, mac);
vteprec_mcast_macs_local_set_locator_set(mcast_mac->local_cfg,
ploc_set_cfg);
vteprec_mcast_macs_local_set_logical_switch(mcast_mac->local_cfg,
ls->ls_cfg);
mcast_mac->remote_cfg = NULL;
} else {
mcast_mac->remote_cfg = vteprec_mcast_macs_remote_insert(ctx->txn);
vteprec_mcast_macs_remote_set_MAC(mcast_mac->remote_cfg, mac);
vteprec_mcast_macs_remote_set_locator_set(mcast_mac->remote_cfg,
ploc_set_cfg);
vteprec_mcast_macs_remote_set_logical_switch(mcast_mac->remote_cfg,
ls->ls_cfg);
mcast_mac->local_cfg = NULL;
}
} else {
mcast_mac->ploc_set_cfg = ploc_set_cfg;
if (local) {
vteprec_mcast_macs_local_set_locator_set(mcast_mac->local_cfg,
ploc_set_cfg);
} else {
vteprec_mcast_macs_remote_set_locator_set(mcast_mac->remote_cfg,
ploc_set_cfg);
}
}
ploc_cfg = find_ploc(vtepctl_ctx, encap, dst_ip);
if (!ploc_cfg) {
ploc_cfg = vteprec_physical_locator_insert(ctx->txn);
vteprec_physical_locator_set_dst_ip(ploc_cfg, dst_ip);
vteprec_physical_locator_set_encapsulation_type(ploc_cfg, encap);
add_ploc_to_cache(vtepctl_ctx, ploc_cfg);
}
add_ploc_to_mcast_mac(mcast_mac, ploc_cfg);
commit_mcast_entries(mcast_mac);
}
static void
del_mcast_entry(struct ctl_context *ctx,
struct vtep_ctl_lswitch *ls, const char *mac,
const char *encap, const char *dst_ip, bool local)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_mcast_mac *mcast_mac;
struct shash *mcast_shash;
struct vteprec_physical_locator *ploc_cfg;
struct vteprec_physical_locator_set *ploc_set_cfg;
mcast_shash = local ? &ls->mcast_local : &ls->mcast_remote;
mcast_mac = shash_find_data(mcast_shash, mac);
if (!mcast_mac) {
return;
}
ploc_cfg = find_ploc(vtepctl_ctx, encap, dst_ip);
if (!ploc_cfg) {
/* Couldn't find the physical locator, so just ignore. */
return;
}
/* Physical locator sets are immutable, so allocate a new one. */
ploc_set_cfg = vteprec_physical_locator_set_insert(ctx->txn);
mcast_mac->ploc_set_cfg = ploc_set_cfg;
del_ploc_from_mcast_mac(mcast_mac, ploc_cfg);
if (ovs_list_is_empty(&mcast_mac->locators)) {
struct shash_node *node = shash_find(mcast_shash, mac);
vteprec_physical_locator_set_delete(ploc_set_cfg);
if (local) {
vteprec_mcast_macs_local_delete(mcast_mac->local_cfg);
} else {
vteprec_mcast_macs_remote_delete(mcast_mac->remote_cfg);
}
free(node->data);
shash_delete(mcast_shash, node);
} else {
if (local) {
vteprec_mcast_macs_local_set_locator_set(mcast_mac->local_cfg,
ploc_set_cfg);
} else {
vteprec_mcast_macs_remote_set_locator_set(mcast_mac->remote_cfg,
ploc_set_cfg);
}
commit_mcast_entries(mcast_mac);
}
}
static void
add_del_mcast_entry(struct ctl_context *ctx, bool add, bool local)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_lswitch *ls;
const char *mac;
const char *encap;
const char *dst_ip;
vtep_ctl_context_populate_cache(ctx);
ls = find_lswitch(vtepctl_ctx, ctx->argv[1], true);
mac = ctx->argv[2];
if (ctx->argc == 4) {
encap = "vxlan_over_ipv4";
dst_ip = ctx->argv[3];
} else {
encap = ctx->argv[3];
dst_ip = ctx->argv[4];
}
if (add) {
add_mcast_entry(ctx, ls, mac, encap, dst_ip, local);
} else {
del_mcast_entry(ctx, ls, mac, encap, dst_ip, local);
}
vtep_ctl_context_invalidate_cache(ctx);
}
static void
cmd_add_mcast_local(struct ctl_context *ctx)
{
add_del_mcast_entry(ctx, true, true);
}
static void
cmd_add_mcast_remote(struct ctl_context *ctx)
{
add_del_mcast_entry(ctx, true, false);
}
static void
cmd_del_mcast_local(struct ctl_context *ctx)
{
add_del_mcast_entry(ctx, false, true);
}
static void
cmd_del_mcast_remote(struct ctl_context *ctx)
{
add_del_mcast_entry(ctx, false, false);
}
static void
clear_macs(struct ctl_context *ctx, bool local)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_lswitch *ls;
const struct shash_node *node;
struct shash *ucast_shash;
struct shash *mcast_shash;
vtep_ctl_context_populate_cache(ctx);
ls = find_lswitch(vtepctl_ctx, ctx->argv[1], true);
ucast_shash = local ? &ls->ucast_local : &ls->ucast_remote;
mcast_shash = local ? &ls->mcast_local : &ls->mcast_remote;
SHASH_FOR_EACH (node, ucast_shash) {
if (local) {
struct vteprec_ucast_macs_local *ucast_cfg = node->data;
vteprec_ucast_macs_local_delete(ucast_cfg);
} else {
struct vteprec_ucast_macs_remote *ucast_cfg = node->data;
vteprec_ucast_macs_remote_delete(ucast_cfg);
}
}
SHASH_FOR_EACH (node, mcast_shash) {
struct vtep_ctl_mcast_mac *mcast_mac = node->data;
if (local) {
vteprec_mcast_macs_local_delete(mcast_mac->local_cfg);
} else {
vteprec_mcast_macs_remote_delete(mcast_mac->remote_cfg);
}
}
vtep_ctl_context_invalidate_cache(ctx);
}
static void
cmd_clear_local_macs(struct ctl_context *ctx)
{
clear_macs(ctx, true);
}
static void
cmd_clear_remote_macs(struct ctl_context *ctx)
{
clear_macs(ctx, false);
}
static void
list_macs(struct ctl_context *ctx, bool local)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
struct vtep_ctl_lswitch *ls;
const struct shash_node *node;
struct shash *ucast_shash;
struct svec ucast_macs;
struct shash *mcast_shash;
struct svec mcast_macs;
vtep_ctl_context_populate_cache(ctx);
ls = find_lswitch(vtepctl_ctx, ctx->argv[1], true);
ucast_shash = local ? &ls->ucast_local : &ls->ucast_remote;
mcast_shash = local ? &ls->mcast_local : &ls->mcast_remote;
svec_init(&ucast_macs);
SHASH_FOR_EACH (node, ucast_shash) {
struct vteprec_ucast_macs_local *ucast_local = node->data;
struct vteprec_ucast_macs_remote *ucast_remote = node->data;
struct vteprec_physical_locator *ploc_cfg;
char *entry;
ploc_cfg = local ? ucast_local->locator : ucast_remote->locator;
entry = xasprintf(" %s -> %s/%s", node->name,
ploc_cfg->encapsulation_type, ploc_cfg->dst_ip);
svec_add_nocopy(&ucast_macs, entry);
}
ds_put_format(&ctx->output, "ucast-mac-%s\n", local ? "local" : "remote");
output_sorted(&ucast_macs, &ctx->output);
ds_put_char(&ctx->output, '\n');
svec_destroy(&ucast_macs);
svec_init(&mcast_macs);
SHASH_FOR_EACH (node, mcast_shash) {
struct vtep_ctl_mcast_mac *mcast_mac = node->data;
struct vtep_ctl_ploc *ploc;
char *entry;
LIST_FOR_EACH (ploc, locators_node, &mcast_mac->locators) {
entry = xasprintf(" %s -> %s/%s", node->name,
ploc->ploc_cfg->encapsulation_type,
ploc->ploc_cfg->dst_ip);
svec_add_nocopy(&mcast_macs, entry);
}
}
ds_put_format(&ctx->output, "mcast-mac-%s\n", local ? "local" : "remote");
output_sorted(&mcast_macs, &ctx->output);
ds_put_char(&ctx->output, '\n');
svec_destroy(&mcast_macs);
}
static void
cmd_list_local_macs(struct ctl_context *ctx)
{
list_macs(ctx, true);
}
static void
cmd_list_remote_macs(struct ctl_context *ctx)
{
list_macs(ctx, false);
}
static void
verify_managers(const struct vteprec_global *vtep_global)
{
size_t i;
vteprec_global_verify_managers(vtep_global);
for (i = 0; i < vtep_global->n_managers; ++i) {
const struct vteprec_manager *mgr = vtep_global->managers[i];
vteprec_manager_verify_target(mgr);
}
}
static void
pre_manager(struct ctl_context *ctx)
{
ovsdb_idl_add_column(ctx->idl, &vteprec_global_col_managers);
ovsdb_idl_add_column(ctx->idl, &vteprec_manager_col_target);
ovsdb_idl_add_column(ctx->idl, &vteprec_manager_col_inactivity_probe);
}
static void
cmd_get_manager(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
const struct vteprec_global *vtep_global = vtepctl_ctx->vtep_global;
struct svec targets;
size_t i;
verify_managers(vtep_global);
/* Print the targets in sorted order for reproducibility. */
svec_init(&targets);
for (i = 0; i < vtep_global->n_managers; i++) {
svec_add(&targets, vtep_global->managers[i]->target);
}
svec_sort_unique(&targets);
for (i = 0; i < targets.n; i++) {
ds_put_format(&ctx->output, "%s\n", targets.names[i]);
}
svec_destroy(&targets);
}
static void
delete_managers(const struct vtep_ctl_context *vtepctl_ctx)
{
const struct vteprec_global *vtep_global = vtepctl_ctx->vtep_global;
size_t i;
/* Delete Manager rows pointed to by 'managers' column. */
for (i = 0; i < vtep_global->n_managers; i++) {
vteprec_manager_delete(vtep_global->managers[i]);
}
/* Delete 'Manager' row refs in 'managers' column. */
vteprec_global_set_managers(vtep_global, NULL, 0);
}
static void
cmd_del_manager(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
const struct vteprec_global *vtep_global = vtepctl_ctx->vtep_global;
verify_managers(vtep_global);
delete_managers(vtepctl_ctx);
}
static void
insert_managers(struct vtep_ctl_context *vtepctl_ctx, char *targets[],
size_t n, struct shash *options)
{
struct vteprec_manager **managers;
size_t i;
const char *inactivity_probe = shash_find_data(options,
"--inactivity-probe");
/* Insert each manager in a new row in Manager table. */
managers = xmalloc(n * sizeof *managers);
for (i = 0; i < n; i++) {
if (stream_verify_name(targets[i]) && pstream_verify_name(targets[i])) {
VLOG_WARN("target type \"%s\" is possibly erroneous", targets[i]);
}
managers[i] = vteprec_manager_insert(vtepctl_ctx->base.txn);
vteprec_manager_set_target(managers[i], targets[i]);
if (inactivity_probe) {
int64_t msecs = atoll(inactivity_probe);
vteprec_manager_set_inactivity_probe(managers[i], &msecs, 1);
}
}
/* Store uuids of new Manager rows in 'managers' column. */
vteprec_global_set_managers(vtepctl_ctx->vtep_global, managers, n);
free(managers);
}
static void
cmd_set_manager(struct ctl_context *ctx)
{
struct vtep_ctl_context *vtepctl_ctx = vtep_ctl_context_cast(ctx);
const size_t n = ctx->argc - 1;
verify_managers(vtepctl_ctx->vtep_global);
delete_managers(vtepctl_ctx);
insert_managers(vtepctl_ctx, &ctx->argv[1], n, &ctx->options);
}
/* Parameter commands. */
static const struct ctl_table_class tables[VTEPREC_N_TABLES] = {
[VTEPREC_TABLE_LOGICAL_SWITCH].row_ids[0]
= {&vteprec_logical_switch_col_name, NULL, NULL},
[VTEPREC_TABLE_MANAGER].row_ids[0]
= {&vteprec_manager_col_target, NULL, NULL},
[VTEPREC_TABLE_PHYSICAL_PORT].row_ids[0]
= {&vteprec_physical_port_col_name, NULL, NULL},
[VTEPREC_TABLE_PHYSICAL_SWITCH].row_ids[0]
= {&vteprec_physical_switch_col_name, NULL, NULL},
[VTEPREC_TABLE_LOGICAL_ROUTER].row_ids[0]
= {&vteprec_logical_router_col_name, NULL, NULL},
};
static void
vtep_ctl_context_init_command(struct vtep_ctl_context *vtepctl_ctx,
struct ctl_command *command, bool last_command)
{
ctl_context_init_command(&vtepctl_ctx->base, command, last_command);
vtepctl_ctx->verified_ports = false;
}
static void
vtep_ctl_context_init(struct vtep_ctl_context *vtepctl_ctx,
struct ctl_command *command,
struct ovsdb_idl *idl, struct ovsdb_idl_txn *txn,
const struct vteprec_global *vtep_global,
struct ovsdb_symbol_table *symtab)
{
ctl_context_init(&vtepctl_ctx->base, command, idl, txn, symtab,
vtep_ctl_context_invalidate_cache);
if (command) {
vtepctl_ctx->verified_ports = false;
}
vtepctl_ctx->vtep_global = vtep_global;
vtepctl_ctx->cache_valid = false;
}
static void
vtep_ctl_context_done_command(struct vtep_ctl_context *vtepctl_ctx,
struct ctl_command *command)
{
ctl_context_done_command(&vtepctl_ctx->base, command);
}
static void
vtep_ctl_context_done(struct vtep_ctl_context *vtepctl_ctx,
struct ctl_command *command)
{
ctl_context_done(&vtepctl_ctx->base, command);
}
static void
run_prerequisites(struct ctl_command *commands, size_t n_commands,
struct ovsdb_idl *idl)
{
struct ctl_command *c;
ovsdb_idl_add_table(idl, &vteprec_table_global);
for (c = commands; c < &commands[n_commands]; c++) {
if (c->syntax->prerequisites) {
struct vtep_ctl_context vtepctl_ctx;
ds_init(&c->output);
c->table = NULL;
vtep_ctl_context_init(&vtepctl_ctx, c, idl, NULL, NULL, NULL);
(c->syntax->prerequisites)(&vtepctl_ctx.base);
if (vtepctl_ctx.base.error) {
ctl_fatal("%s", vtepctl_ctx.base.error);
}
vtep_ctl_context_done(&vtepctl_ctx, c);
ovs_assert(!c->output.string);
ovs_assert(!c->table);
}
}
}
static bool
do_vtep_ctl(const char *args, struct ctl_command *commands,
size_t n_commands, struct ovsdb_idl *idl)
{
struct ovsdb_idl_txn *txn;
const struct vteprec_global *vtep_global;
enum ovsdb_idl_txn_status status;
struct ovsdb_symbol_table *symtab;
struct vtep_ctl_context vtepctl_ctx;
struct ctl_command *c;
struct shash_node *node;
char *error = NULL;
txn = the_idl_txn = ovsdb_idl_txn_create(idl);
if (dry_run) {
ovsdb_idl_txn_set_dry_run(txn);
}
ovsdb_idl_txn_add_comment(txn, "vtep-ctl: %s", args);
vtep_global = vteprec_global_first(idl);
if (!vtep_global) {
/* XXX add verification that table is empty */
vtep_global = vteprec_global_insert(txn);
}
symtab = ovsdb_symbol_table_create();
for (c = commands; c < &commands[n_commands]; c++) {
ds_init(&c->output);
c->table = NULL;
}
vtep_ctl_context_init(&vtepctl_ctx, NULL, idl, txn, vtep_global, symtab);
for (c = commands; c < &commands[n_commands]; c++) {
vtep_ctl_context_init_command(&vtepctl_ctx, c,
c == &commands[n_commands - 1]);
if (c->syntax->run) {
(c->syntax->run)(&vtepctl_ctx.base);
}
if (vtepctl_ctx.base.error) {
ctl_fatal("%s", vtepctl_ctx.base.error);
}
vtep_ctl_context_done_command(&vtepctl_ctx, c);
if (vtepctl_ctx.base.try_again) {
vtep_ctl_context_done(&vtepctl_ctx, NULL);
goto try_again;
}
}
vtep_ctl_context_done(&vtepctl_ctx, NULL);
SHASH_FOR_EACH (node, &symtab->sh) {
struct ovsdb_symbol *symbol = node->data;
if (!symbol->created) {
ctl_fatal("row id \"%s\" is referenced but never created "
"(e.g. with \"-- --id=%s create ...\")",
node->name, node->name);
}
if (!symbol->strong_ref) {
if (!symbol->weak_ref) {
VLOG_WARN("row id \"%s\" was created but no reference to it "
"was inserted, so it will not actually appear in "
"the database", node->name);
} else {
VLOG_WARN("row id \"%s\" was created but only a weak "
"reference to it was inserted, so it will not "
"actually appear in the database", node->name);
}
}
}
status = ovsdb_idl_txn_commit_block(txn);
if (status == TXN_UNCHANGED || status == TXN_SUCCESS) {
for (c = commands; c < &commands[n_commands]; c++) {
if (c->syntax->postprocess) {
vtep_ctl_context_init(&vtepctl_ctx, c, idl, txn, vtep_global, symtab);
(c->syntax->postprocess)(&vtepctl_ctx.base);
if (vtepctl_ctx.base.error) {
ctl_fatal("%s", vtepctl_ctx.base.error);
}
vtep_ctl_context_done(&vtepctl_ctx, c);
}
}
}
error = xstrdup(ovsdb_idl_txn_get_error(txn));
ovsdb_idl_txn_destroy(txn);
txn = the_idl_txn = NULL;
switch (status) {
case TXN_UNCOMMITTED:
case TXN_INCOMPLETE:
OVS_NOT_REACHED();
case TXN_ABORTED:
/* Should not happen--we never call ovsdb_idl_txn_abort(). */
ctl_fatal("transaction aborted");
case TXN_UNCHANGED:
case TXN_SUCCESS:
break;
case TXN_TRY_AGAIN:
goto try_again;
case TXN_ERROR:
ctl_fatal("transaction error: %s", error);
case TXN_NOT_LOCKED:
/* Should not happen--we never call ovsdb_idl_set_lock(). */
ctl_fatal("database not locked");
default:
OVS_NOT_REACHED();
}
free(error);
ovsdb_symbol_table_destroy(symtab);
for (c = commands; c < &commands[n_commands]; c++) {
struct ds *ds = &c->output;
if (c->table) {
table_print(c->table, &table_style);
} else if (oneline) {
size_t j;
ds_chomp(ds, '\n');
for (j = 0; j < ds->length; j++) {
int ch = ds->string[j];
switch (ch) {
case '\n':
fputs("\\n", stdout);
break;
case '\\':
fputs("\\\\", stdout);
break;
default:
putchar(ch);
}
}
putchar('\n');
} else {
fputs(ds_cstr(ds), stdout);
}
ds_destroy(&c->output);
table_destroy(c->table);
free(c->table);
shash_destroy_free_data(&c->options);
}
free(commands);
ovsdb_idl_destroy(idl);
return true;
try_again:
/* Our transaction needs to be rerun, or a prerequisite was not met. Free
* resources and return so that the caller can try again. */
if (txn) {
ovsdb_idl_txn_abort(txn);
ovsdb_idl_txn_destroy(txn);
}
ovsdb_symbol_table_destroy(symtab);
for (c = commands; c < &commands[n_commands]; c++) {
ds_destroy(&c->output);
table_destroy(c->table);
free(c->table);
}
free(error);
return false;
}
static const struct ctl_command_syntax vtep_commands[] = {
/* Physical Switch commands. */
{"add-ps", 1, 1, NULL, pre_get_info, cmd_add_ps, NULL, "--may-exist", RW},
{"del-ps", 1, 1, NULL, pre_get_info, cmd_del_ps, NULL, "--if-exists", RW},
{"list-ps", 0, 0, NULL, pre_get_info, cmd_list_ps, NULL, "", RO},
{"ps-exists", 1, 1, NULL, pre_get_info, cmd_ps_exists, NULL, "", RO},
/* Port commands. */
{"list-ports", 1, 1, NULL, pre_get_info, cmd_list_ports, NULL, "", RO},
{"add-port", 2, 2, NULL, pre_get_info, cmd_add_port, NULL, "--may-exist",
RW},
{"del-port", 2, 2, NULL, pre_get_info, cmd_del_port, NULL, "--if-exists",
RW},
/* Logical Switch commands. */
{"add-ls", 1, 1, NULL, pre_get_info, cmd_add_ls, NULL, "--may-exist", RW},
{"del-ls", 1, 1, NULL, pre_get_info, cmd_del_ls, NULL, "--if-exists", RW},
{"list-ls", 0, 0, NULL, pre_get_info, cmd_list_ls, NULL, "", RO},
{"ls-exists", 1, 1, NULL, pre_get_info, cmd_ls_exists, NULL, "", RO},
{"list-bindings", 2, 2, NULL, pre_get_info, cmd_list_bindings, NULL, "", RO},
{"bind-ls", 4, 4, NULL, pre_get_info, cmd_bind_ls, NULL, "", RO},
{"unbind-ls", 3, 3, NULL, pre_get_info, cmd_unbind_ls, NULL, "", RO},
{"set-replication-mode", 2, 2, "LS MODE", pre_get_info,
cmd_set_replication_mode, NULL, "", RW},
{"get-replication-mode", 1, 1, "LS", pre_get_info,
cmd_get_replication_mode, NULL, "", RO},
/* Logical Router commands. */
{"add-lr", 1, 1, NULL, pre_get_info, cmd_add_lr, NULL, "--may-exist", RW},
{"del-lr", 1, 1, NULL, pre_get_info, cmd_del_lr, NULL, "--if-exists", RW},
{"list-lr", 0, 0, NULL, pre_get_info, cmd_list_lr, NULL, "", RO},
{"lr-exists", 1, 1, NULL, pre_get_info, cmd_lr_exists, NULL, "", RO},
/* MAC binding commands. */
{"add-ucast-local", 3, 4, NULL, pre_get_info, cmd_add_ucast_local, NULL,
"", RW},
{"del-ucast-local", 2, 2, NULL, pre_get_info, cmd_del_ucast_local, NULL,
"", RW},
{"add-mcast-local", 3, 4, NULL, pre_get_info, cmd_add_mcast_local, NULL,
"", RW},
{"del-mcast-local", 3, 4, NULL, pre_get_info, cmd_del_mcast_local, NULL,
"", RW},
{"clear-local-macs", 1, 1, NULL, pre_get_info, cmd_clear_local_macs, NULL,
"", RO},
{"list-local-macs", 1, 1, NULL, pre_get_info, cmd_list_local_macs, NULL,
"", RO},
{"add-ucast-remote", 3, 4, NULL, pre_get_info, cmd_add_ucast_remote, NULL,
"", RW},
{"del-ucast-remote", 2, 2, NULL, pre_get_info, cmd_del_ucast_remote, NULL,
"", RW},
{"add-mcast-remote", 3, 4, NULL, pre_get_info, cmd_add_mcast_remote, NULL,
"", RW},
{"del-mcast-remote", 3, 4, NULL, pre_get_info, cmd_del_mcast_remote, NULL,
"", RW},
{"clear-remote-macs", 1, 1, NULL, pre_get_info, cmd_clear_remote_macs, NULL,
"", RO},
{"list-remote-macs", 1, 1, NULL, pre_get_info, cmd_list_remote_macs, NULL,
"", RO},
/* Manager commands. */
{"get-manager", 0, 0, NULL, pre_manager, cmd_get_manager, NULL, "", RO},
{"del-manager", 0, 0, NULL, pre_manager, cmd_del_manager, NULL, "", RW},
{"set-manager", 1, INT_MAX, NULL, pre_manager, cmd_set_manager, NULL,
"--inactivity-probe=", RW},
{NULL, 0, 0, NULL, NULL, NULL, NULL, NULL, RO},
};
/* Registers vsctl and common db commands. */
static void
vtep_ctl_cmd_init(void)
{
ctl_init(&vteprec_idl_class, vteprec_table_classes, tables,
cmd_show_tables, vtep_ctl_exit);
ctl_register_commands(vtep_commands);
}
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