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authorFlorin Coras <fcoras@cisco.com>2021-03-03 12:58:57 -0800
committerDamjan Marion <dmarion@me.com>2021-03-04 10:59:11 +0000
commit1334761e1e558b2107e62ffe60ce81bd2ce5780c (patch)
treefefd64974aa0fafe5910a5597b683ad9344176d4 /src/plugins/hs_apps/echo_server.c
parent8d462190587f78658c8a9e33ed4f35c2d873965f (diff)
hsa: fix builtin echo apps with multiple workers
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I9507b5a9755e938b4d1da657bed3a8681a056427
Diffstat (limited to 'src/plugins/hs_apps/echo_server.c')
-rw-r--r--src/plugins/hs_apps/echo_server.c54
1 files changed, 41 insertions, 13 deletions
diff --git a/src/plugins/hs_apps/echo_server.c b/src/plugins/hs_apps/echo_server.c
index da79cb40745..63150d5a8d8 100644
--- a/src/plugins/hs_apps/echo_server.c
+++ b/src/plugins/hs_apps/echo_server.c
@@ -449,12 +449,23 @@ static clib_error_t *
echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
+ session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
echo_server_main_t *esm = &echo_server_main;
u8 server_uri_set = 0, *appns_id = 0;
u64 tmp, appns_flags = 0, appns_secret = 0;
char *default_uri = "tcp://0.0.0.0/1234";
- int rv, is_stop = 0;
- session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
+ int rv, is_stop = 0, barrier_acq_needed = 0;
+ clib_error_t *error = 0;
+
+ /* The request came over the binary api and the inband cli handler
+ * is not mp_safe. Drop the barrier to make sure the workers are not
+ * blocked.
+ */
+ if (vlib_num_workers () && vlib_thread_is_main_w_barrier ())
+ {
+ barrier_acq_needed = 1;
+ vlib_worker_thread_barrier_release (vm);
+ }
esm->no_echo = 0;
esm->fifo_size = 64 << 10;
@@ -484,8 +495,11 @@ echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
unformat_memory_size, &tmp))
{
if (tmp >= 0x100000000ULL)
- return clib_error_return
- (0, "private segment size %lld (%llu) too large", tmp, tmp);
+ {
+ error = clib_error_return (
+ 0, "private segment size %lld (%llu) too large", tmp, tmp);
+ goto cleanup;
+ }
esm->private_segment_size = tmp;
}
else if (unformat (input, "appns %_%v%_", &appns_id))
@@ -504,8 +518,11 @@ echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
else if (unformat (input, "tls-engine %d", &esm->tls_engine))
;
else
- return clib_error_return (0, "failed: unknown input `%U'",
- format_unformat_error, input);
+ {
+ error = clib_error_return (0, "failed: unknown input `%U'",
+ format_unformat_error, input);
+ goto cleanup;
+ }
}
if (is_stop)
@@ -513,15 +530,17 @@ echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
if (esm->app_index == (u32) ~ 0)
{
clib_warning ("server not running");
- return clib_error_return (0, "failed: server not running");
+ error = clib_error_return (0, "failed: server not running");
+ goto cleanup;
}
rv = echo_server_detach ();
if (rv)
{
clib_warning ("failed: detach");
- return clib_error_return (0, "failed: server detach %d", rv);
+ error = clib_error_return (0, "failed: server detach %d", rv);
+ goto cleanup;
}
- return 0;
+ goto cleanup;
}
vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
@@ -533,19 +552,28 @@ echo_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
}
if ((rv = parse_uri ((char *) esm->server_uri, &sep)))
- return clib_error_return (0, "Uri parse error: %d", rv);
+ {
+ error = clib_error_return (0, "Uri parse error: %d", rv);
+ goto cleanup;
+ }
esm->transport_proto = sep.transport_proto;
esm->is_dgram = (sep.transport_proto == TRANSPORT_PROTO_UDP);
rv = echo_server_create (vm, appns_id, appns_flags, appns_secret);
- vec_free (appns_id);
if (rv)
{
vec_free (esm->server_uri);
- return clib_error_return (0, "failed: server_create returned %d", rv);
+ error = clib_error_return (0, "failed: server_create returned %d", rv);
+ goto cleanup;
}
- return 0;
+cleanup:
+ vec_free (appns_id);
+
+ if (barrier_acq_needed)
+ vlib_worker_thread_barrier_sync (vm);
+
+ return error;
}
/* *INDENT-OFF* */