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-rw-r--r--src/plugins/snat/snat.api35
-rw-r--r--src/plugins/snat/snat.c69
-rw-r--r--src/plugins/snat/snat_test.c52
3 files changed, 153 insertions, 3 deletions
diff --git a/src/plugins/snat/snat.api b/src/plugins/snat/snat.api
index 5990eae5a24..e92675de867 100644
--- a/src/plugins/snat/snat.api
+++ b/src/plugins/snat/snat.api
@@ -565,3 +565,38 @@ autoreply define snat_det_close_session_in {
u8 ext_addr[16];
u16 ext_port;
};
+
+/** \brief Dump S-NAT deterministic sessions
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_ip4 - 1 if address type is IPv4
+ @param user_addr - address of an inside user whose sessions to dump
+*/
+define snat_det_session_dump {
+ u32 client_index;
+ u32 context;
+ u8 is_ip4;
+ u8 user_addr[16];
+};
+
+/** \brief S-NAT deterministic sessions reply
+ @param context - sender context, to match reply w/ request
+ @param is_ip4 - 1 if address type is IPv4
+ @param in_port - inside port
+ @param ext_addr - external host address
+ @param ext_port - external host port
+ @param out_port - outside NAT port
+ @param state - session state
+ @param expire - session expiration timestamp
+*/
+define snat_det_session_details {
+ u32 client_index;
+ u32 context;
+ u8 is_ip4;
+ u16 in_port;
+ u8 ext_addr[16];
+ u16 ext_port;
+ u16 out_port;
+ u8 state;
+ u32 expire;
+};
diff --git a/src/plugins/snat/snat.c b/src/plugins/snat/snat.c
index 594afa62c80..c6783e47b6d 100644
--- a/src/plugins/snat/snat.c
+++ b/src/plugins/snat/snat.c
@@ -1811,6 +1811,72 @@ static void *vl_api_snat_det_close_session_in_t_print
FINISH;
}
+static void
+send_snat_det_session_details
+(snat_det_session_t * s, unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_snat_det_session_details_t * rmp;
+ snat_main_t * sm = &snat_main;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+ memset (rmp, 0, sizeof (*rmp));
+ rmp->_vl_msg_id = ntohs (VL_API_SNAT_DET_SESSION_DETAILS+sm->msg_id_base);
+ rmp->is_ip4 = 1;
+ rmp->in_port = s->in_port;
+ clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4);
+ rmp->ext_port = s->out.ext_host_port;
+ rmp->out_port = s->out.out_port;
+ rmp->state = s->state;
+ rmp->expire = ntohl (s->expire);
+ rmp->context = context;
+
+ vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
+static void
+vl_api_snat_det_session_dump_t_handler
+(vl_api_snat_det_session_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q;
+ snat_main_t * sm = &snat_main;
+ ip4_address_t user_addr;
+ snat_det_map_t * dm;
+ snat_det_session_t * s, empty_ses;
+ u16 i;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ return;
+ if (!mp->is_ip4)
+ return;
+
+ memset (&empty_ses, 0, sizeof (empty_ses));
+ clib_memcpy (&user_addr, mp->user_addr, 4);
+ dm = snat_det_map_by_user (sm, &user_addr);
+ if (!dm)
+ return;
+
+ s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen);
+ for (i = 0; i < SNAT_DET_SES_PER_USER; i++)
+ {
+ if (s->out.as_u64)
+ send_snat_det_session_details (s, q, mp->context);
+ s++;
+ }
+}
+
+static void *vl_api_snat_det_session_dump_t_print
+(vl_api_snat_det_session_dump_t * mp, void * handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: snat_det_session_dump ");
+ s = format (s, "user_addr %U\n",
+ format_ip4_address, mp->user_addr);
+
+ FINISH;
+}
+
/* List of message types that this plugin understands */
#define foreach_snat_plugin_api_msg \
_(SNAT_ADD_ADDRESS_RANGE, snat_add_address_range) \
@@ -1835,7 +1901,8 @@ _(SNAT_DET_MAP_DUMP, snat_det_map_dump) \
_(SNAT_DET_SET_TIMEOUTS, snat_det_set_timeouts) \
_(SNAT_DET_GET_TIMEOUTS, snat_det_get_timeouts) \
_(SNAT_DET_CLOSE_SESSION_OUT, snat_det_close_session_out) \
-_(SNAT_DET_CLOSE_SESSION_IN, snat_det_close_session_in)
+_(SNAT_DET_CLOSE_SESSION_IN, snat_det_close_session_in) \
+_(SNAT_DET_SESSION_DUMP, snat_det_session_dump)
/* Set up the API message handling tables */
diff --git a/src/plugins/snat/snat_test.c b/src/plugins/snat/snat_test.c
index 14e8d1990b7..905b8fac66c 100644
--- a/src/plugins/snat/snat_test.c
+++ b/src/plugins/snat/snat_test.c
@@ -121,7 +121,8 @@ _(SNAT_DET_GET_TIMEOUTS_REPLY, snat_det_get_timeouts_reply) \
_(SNAT_DET_CLOSE_SESSION_OUT_REPLY, \
snat_det_close_session_out_reply) \
_(SNAT_DET_CLOSE_SESSION_IN_REPLY, \
- snat_det_close_session_in_reply)
+ snat_det_close_session_in_reply) \
+_(SNAT_DET_SESSION_DETAILS, snat_det_session_details)
static int api_snat_add_address_range (vat_main_t * vam)
{
@@ -1033,6 +1034,52 @@ static int api_snat_det_close_session_in (vat_main_t * vam)
return ret;
}
+static void vl_api_snat_det_session_details_t_handler
+ (vl_api_snat_det_session_details_t *mp)
+{
+ snat_test_main_t * sm = &snat_test_main;
+ vat_main_t *vam = sm->vat_main;
+
+ fformat(vam->ofp, "deterministic session, external host address %U, "
+ "external host port %d, outer port %d, inside port %d",
+ format_ip4_address, mp->ext_addr, mp->ext_port,
+ mp->out_port, mp->in_port);
+}
+
+static int api_snat_det_session_dump(vat_main_t * vam)
+{
+ unformat_input_t* i = vam->input;
+ vl_api_snat_det_session_dump_t * mp;
+ vl_api_snat_control_ping_t *mp_ping;
+ ip4_address_t user_addr;
+ int ret;
+
+ if (vam->json_output)
+ {
+ clib_warning ("JSON output not supported for snat_det_session_dump");
+ return -99;
+ }
+
+ if (unformat (i, "user_addr %U", unformat_ip4_address, &user_addr))
+ ;
+ else
+ {
+ clib_warning ("unknown input '%U'", format_unformat_error, i);
+ return -99;
+ }
+
+ M(SNAT_DET_SESSION_DUMP, mp);
+ clib_memcpy (&mp->user_addr, &user_addr, 4);
+ S(mp);
+
+ /* Use a control ping for synchronization */
+ M(SNAT_CONTROL_PING, mp_ping);
+ S(mp_ping);
+
+ W (ret);
+ return ret;
+}
+
/*
* List of messages that the api test plugin sends,
* and that the data plane plugin processes
@@ -1069,7 +1116,8 @@ _(snat_det_get_timeouts, "") \
_(snat_det_close_session_out, "<out_addr>:<out_port> " \
"<ext_addr>:<ext_port>") \
_(snat_det_close_session_in, "<in_addr>:<in_port> " \
- "<out_addr>:<out_port>")
+ "<out_addr>:<out_port>") \
+_(snat_det_session_dump, "ip_address <user_addr>")
static void
snat_vat_api_hookup (vat_main_t *vam)