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-rwxr-xr-xsrc/vnet/session/session_cli.c494
1 files changed, 494 insertions, 0 deletions
diff --git a/src/vnet/session/session_cli.c b/src/vnet/session/session_cli.c
new file mode 100755
index 00000000..8c30a1df
--- /dev/null
+++ b/src/vnet/session/session_cli.c
@@ -0,0 +1,494 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * 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 <vnet/session/application.h>
+#include <vnet/session/session.h>
+
+u8 *
+format_stream_session_fifos (u8 * s, va_list * args)
+{
+ stream_session_t *ss = va_arg (*args, stream_session_t *);
+ int verbose = va_arg (*args, int);
+ session_fifo_event_t _e, *e = &_e;
+ u8 found;
+
+ s = format (s, " Rx fifo: %U", format_svm_fifo, ss->server_rx_fifo, 1);
+ if (verbose > 2 && ss->server_rx_fifo->has_event)
+ {
+ found = session_node_lookup_fifo_event (ss->server_rx_fifo, e);
+ s = format (s, " session node event: %s\n",
+ found ? "found" : "not found");
+ }
+ s = format (s, " Tx fifo: %U", format_svm_fifo, ss->server_tx_fifo, 1);
+ if (verbose > 2 && ss->server_tx_fifo->has_event)
+ {
+ found = session_node_lookup_fifo_event (ss->server_tx_fifo, e);
+ s = format (s, " session node event: %s\n",
+ found ? "found" : "not found");
+ }
+ return s;
+}
+
+/**
+ * Format stream session as per the following format
+ *
+ * verbose:
+ * "Connection", "Rx fifo", "Tx fifo", "Session Index"
+ * non-verbose:
+ * "Connection"
+ */
+u8 *
+format_stream_session (u8 * s, va_list * args)
+{
+ stream_session_t *ss = va_arg (*args, stream_session_t *);
+ int verbose = va_arg (*args, int);
+ transport_proto_vft_t *tp_vft;
+ u8 *str = 0;
+ tp_vft = session_get_transport_vft (ss->session_type);
+
+ if (verbose == 1 && ss->session_state >= SESSION_STATE_ACCEPTING)
+ str = format (0, "%-10u%-10u%-10lld",
+ svm_fifo_max_dequeue (ss->server_rx_fifo),
+ svm_fifo_max_enqueue (ss->server_tx_fifo),
+ stream_session_get_index (ss));
+
+ if (ss->session_state == SESSION_STATE_READY
+ || ss->session_state == SESSION_STATE_ACCEPTING
+ || ss->session_state == SESSION_STATE_CLOSED)
+ {
+ s = format (s, "%U", tp_vft->format_connection, ss->connection_index,
+ ss->thread_index, verbose);
+ if (verbose == 1)
+ s = format (s, "%v", str);
+ if (verbose > 1)
+ s = format (s, "%U", format_stream_session_fifos, ss, verbose);
+ }
+ else if (ss->session_state == SESSION_STATE_LISTENING)
+ {
+ s = format (s, "%-40U%v", tp_vft->format_listener, ss->connection_index,
+ str);
+ }
+ else if (ss->session_state == SESSION_STATE_CONNECTING)
+ {
+ s = format (s, "%-40U%v", tp_vft->format_half_open,
+ ss->connection_index, str);
+ }
+ else
+ {
+ clib_warning ("Session in state: %d!", ss->session_state);
+ }
+ vec_free (str);
+
+ return s;
+}
+
+uword
+unformat_stream_session_id (unformat_input_t * input, va_list * args)
+{
+ u8 *proto = va_arg (*args, u8 *);
+ ip46_address_t *lcl = va_arg (*args, ip46_address_t *);
+ ip46_address_t *rmt = va_arg (*args, ip46_address_t *);
+ u16 *lcl_port = va_arg (*args, u16 *);
+ u16 *rmt_port = va_arg (*args, u16 *);
+ u8 *is_ip4 = va_arg (*args, u8 *);
+ u8 tuple_is_set = 0;
+
+ memset (lcl, 0, sizeof (*lcl));
+ memset (rmt, 0, sizeof (*rmt));
+
+ if (unformat (input, "tcp"))
+ {
+ *proto = TRANSPORT_PROTO_TCP;
+ }
+ if (unformat (input, "udp"))
+ {
+ *proto = TRANSPORT_PROTO_UDP;
+ }
+ if (unformat (input, "%U:%d->%U:%d", unformat_ip4_address, &lcl->ip4,
+ lcl_port, unformat_ip4_address, &rmt->ip4, rmt_port))
+ {
+ *is_ip4 = 1;
+ tuple_is_set = 1;
+ }
+ else if (unformat (input, "%U:%d->%U:%d", unformat_ip6_address, &lcl->ip6,
+ lcl_port, unformat_ip6_address, &rmt->ip6, rmt_port))
+ {
+ *is_ip4 = 0;
+ tuple_is_set = 1;
+ }
+
+ return tuple_is_set;
+}
+
+uword
+unformat_stream_session (unformat_input_t * input, va_list * args)
+{
+ stream_session_t **result = va_arg (*args, stream_session_t **);
+ stream_session_t *s;
+ u8 proto = ~0;
+ ip46_address_t lcl, rmt;
+ u32 lcl_port = 0, rmt_port = 0;
+ u8 is_ip4 = 0, s_type = ~0;
+
+ if (!unformat (input, "%U", unformat_stream_session_id, &proto, &lcl, &rmt,
+ &lcl_port, &rmt_port, &is_ip4))
+ return 0;
+
+ s_type = session_type_from_proto_and_ip (proto, is_ip4);
+ if (is_ip4)
+ s = stream_session_lookup4 (&lcl.ip4, &rmt.ip4,
+ clib_host_to_net_u16 (lcl_port),
+ clib_host_to_net_u16 (rmt_port), s_type);
+ else
+ s = stream_session_lookup6 (&lcl.ip6, &rmt.ip6,
+ clib_host_to_net_u16 (lcl_port),
+ clib_host_to_net_u16 (rmt_port), s_type);
+ if (s)
+ {
+ *result = s;
+ return 1;
+ }
+ return 0;
+}
+
+uword
+unformat_transport_connection (unformat_input_t * input, va_list * args)
+{
+ transport_connection_t **result = va_arg (*args, transport_connection_t **);
+ u32 suggested_proto = va_arg (*args, u32);
+ transport_connection_t *tc;
+ u8 proto = ~0;
+ ip46_address_t lcl, rmt;
+ u32 lcl_port = 0, rmt_port = 0;
+ u8 is_ip4 = 0, s_type = ~0;
+
+ if (!unformat (input, "%U", unformat_stream_session_id, &proto, &lcl, &rmt,
+ &lcl_port, &rmt_port, &is_ip4))
+ return 0;
+
+ proto = (proto == (u8) ~ 0) ? suggested_proto : proto;
+ if (proto == (u8) ~ 0)
+ return 0;
+ s_type = session_type_from_proto_and_ip (proto, is_ip4);
+ if (is_ip4)
+ tc = stream_session_lookup_transport4 (&lcl.ip4, &rmt.ip4,
+ clib_host_to_net_u16 (lcl_port),
+ clib_host_to_net_u16 (rmt_port),
+ s_type);
+ else
+ tc = stream_session_lookup_transport6 (&lcl.ip6, &rmt.ip6,
+ clib_host_to_net_u16 (lcl_port),
+ clib_host_to_net_u16 (rmt_port),
+ s_type);
+
+ if (tc)
+ {
+ *result = tc;
+ return 1;
+ }
+ return 0;
+}
+
+static clib_error_t *
+show_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ session_manager_main_t *smm = &session_manager_main;
+ int verbose = 0, i;
+ stream_session_t *pool;
+ stream_session_t *s;
+ u8 *str = 0, one_session = 0;
+
+ if (!smm->is_enabled)
+ {
+ return clib_error_return (0, "session layer is not enabled");
+ }
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "verbose %d", &verbose))
+ ;
+ else if (unformat (input, "verbose"))
+ verbose = 1;
+ else if (unformat (input, "%U", unformat_stream_session, &s))
+ {
+ one_session = 1;
+ }
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ if (one_session)
+ {
+ vlib_cli_output (vm, "%U", format_stream_session, s, 3);
+ return 0;
+ }
+
+ for (i = 0; i < vec_len (smm->sessions); i++)
+ {
+ u32 once_per_pool;
+ pool = smm->sessions[i];
+
+ once_per_pool = 1;
+
+ if (pool_elts (pool))
+ {
+
+ vlib_cli_output (vm, "Thread %d: %d active sessions",
+ i, pool_elts (pool));
+ if (verbose)
+ {
+ if (once_per_pool && verbose == 1)
+ {
+ str = format (str, "%-50s%-15s%-10s%-10s%-10s",
+ "Connection", "State", "Rx-f", "Tx-f",
+ "S-idx");
+ vlib_cli_output (vm, "%v", str);
+ vec_reset_length (str);
+ once_per_pool = 0;
+ }
+
+ /* *INDENT-OFF* */
+ pool_foreach (s, pool,
+ ({
+ vec_reset_length (str);
+ str = format (str, "%U", format_stream_session, s, verbose);
+ vlib_cli_output (vm, "%v", str);
+ }));
+ /* *INDENT-ON* */
+ }
+ }
+ else
+ vlib_cli_output (vm, "Thread %d: no active sessions", i);
+ vec_reset_length (str);
+ }
+ vec_free (str);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (vlib_cli_show_session_command) =
+{
+ .path = "show session",
+ .short_help = "show session [verbose [nnn]]",
+ .function = show_session_command_fn,
+};
+/* *INDENT-ON* */
+
+static int
+clear_session (stream_session_t * s)
+{
+ application_t *server = application_get (s->app_index);
+ server->cb_fns.session_disconnect_callback (s);
+ return 0;
+}
+
+static clib_error_t *
+clear_session_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ session_manager_main_t *smm = &session_manager_main;
+ u32 thread_index = 0, clear_all = 0;
+ u32 session_index = ~0;
+ stream_session_t **pool, *session;
+
+ if (!smm->is_enabled)
+ {
+ return clib_error_return (0, "session layer is not enabled");
+ }
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "thread %d", &thread_index))
+ ;
+ else if (unformat (input, "session %d", &session_index))
+ ;
+ else if (unformat (input, "all"))
+ clear_all = 1;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ if (!clear_all && session_index == ~0)
+ return clib_error_return (0, "session <nn> required, but not set.");
+
+ if (session_index != ~0)
+ {
+ session = stream_session_get_if_valid (session_index, thread_index);
+ if (!session)
+ return clib_error_return (0, "no session %d on thread %d",
+ session_index, thread_index);
+ clear_session (session);
+ }
+
+ if (clear_all)
+ {
+ /* *INDENT-OFF* */
+ vec_foreach (pool, smm->sessions)
+ {
+ pool_foreach(session, *pool, ({
+ clear_session (session);
+ }));
+ };
+ /* *INDENT-ON* */
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (clear_session_command, static) =
+{
+ .path = "clear session",
+ .short_help = "clear session thread <thread> session <index>",
+ .function = clear_session_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+show_session_fifo_trace_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ stream_session_t *s = 0;
+ u8 is_rx = 0, *str = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "%U", unformat_stream_session, &s))
+ ;
+ else if (unformat (input, "rx"))
+ is_rx = 1;
+ else if (unformat (input, "tx"))
+ is_rx = 0;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ if (!SVM_FIFO_TRACE)
+ {
+ vlib_cli_output (vm, "fifo tracing not enabled");
+ return 0;
+ }
+
+ if (!s)
+ {
+ vlib_cli_output (vm, "could not find session");
+ return 0;
+ }
+
+ str = is_rx ?
+ svm_fifo_dump_trace (str, s->server_rx_fifo) :
+ svm_fifo_dump_trace (str, s->server_tx_fifo);
+
+ vlib_cli_output (vm, "%v", str);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_session_fifo_trace_command, static) =
+{
+ .path = "show session fifo trace",
+ .short_help = "show session fifo trace <session>",
+ .function = show_session_fifo_trace_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+session_replay_fifo_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ stream_session_t *s = 0;
+ u8 is_rx = 0, *str = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "%U", unformat_stream_session, &s))
+ ;
+ else if (unformat (input, "rx"))
+ is_rx = 1;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ if (!SVM_FIFO_TRACE)
+ {
+ vlib_cli_output (vm, "fifo tracing not enabled");
+ return 0;
+ }
+
+ if (!s)
+ {
+ vlib_cli_output (vm, "could not find session");
+ return 0;
+ }
+
+ str = is_rx ?
+ svm_fifo_replay (str, s->server_rx_fifo, 0, 1) :
+ svm_fifo_replay (str, s->server_tx_fifo, 0, 1);
+
+ vlib_cli_output (vm, "%v", str);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (session_replay_fifo_trace_command, static) =
+{
+ .path = "session replay fifo",
+ .short_help = "session replay fifo <session>",
+ .function = session_replay_fifo_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+session_enable_disable_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u8 is_en = 1;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "enable"))
+ is_en = 1;
+ else if (unformat (input, "disable"))
+ is_en = 0;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ return vnet_session_enable_disable (vm, is_en);
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (session_enable_disable_command, static) =
+{
+ .path = "session",
+ .short_help = "session [enable|disable]",
+ .function = session_enable_disable_fn,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */