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vtep-ctl.c
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vtep-ctl.c
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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 "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 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 void 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;
char *args;
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();
/* Log our arguments. This is often valuable for debugging systems. */
args = process_escape_args(argv);
VLOG(ctl_might_write_to_db(argv) ? VLL_INFO : VLL_DBG, "Called as %s", args);
/* Parse command line. */
shash_init(&local_options);
parse_options(argc, argv, &local_options);
commands = ctl_parse_commands(argc - optind, argv + optind, &local_options,
&n_commands);
if (timeout) {
time_alarm(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);
do_vtep_ctl(args, commands, n_commands, idl);
}
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':
timeout = strtoul(optarg, NULL, 10);
if (timeout < 0) {
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\
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\
\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_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, *next_node2;
shash_destroy(&ls->ucast_local);
shash_destroy(&ls->ucast_remote);
SHASH_FOR_EACH_SAFE (node2, next_node2, &ls->mcast_local) {
struct vtep_ctl_mcast_mac *mcast_mac = node2->data;
struct vtep_ctl_ploc *ploc, *next_ploc;
LIST_FOR_EACH_SAFE (ploc, next_ploc, locators_node,
&mcast_mac->locators) {
free(ploc);
}
free(mcast_mac);
}
shash_destroy(&ls->mcast_local);
SHASH_FOR_EACH_SAFE (node2, next_node2, &ls->mcast_remote) {
struct vtep_ctl_mcast_mac *mcast_mac = node2->data;
struct vtep_ctl_ploc *ploc, *next_ploc;
LIST_FOR_EACH_SAFE (ploc, next_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;
}