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-rw-r--r--vlib-api/Makefile.am3
-rw-r--r--vlib-api/vlibapi/api.h4
-rw-r--r--vlib-api/vlibapi/node_serialize.c141
-rw-r--r--vpp-api-test/vat/api_format.c193
-rw-r--r--vpp-api-test/vat/vat.h5
-rw-r--r--vpp/api/api.c32
-rw-r--r--vpp/api/vpe.api25
7 files changed, 398 insertions, 5 deletions
diff --git a/vlib-api/Makefile.am b/vlib-api/Makefile.am
index f72d23aa72e..a1fab44c687 100644
--- a/vlib-api/Makefile.am
+++ b/vlib-api/Makefile.am
@@ -20,7 +20,8 @@ lib_LTLIBRARIES = libvlibapi.la libvlibmemory.la libvlibmemoryclient.la \
libvlibapi_la_SOURCES = \
vlibapi/api.h \
- vlibapi/api_shared.c
+ vlibapi/api_shared.c \
+ vlibapi/node_serialize.c
nobase_include_HEADERS = vlibapi/api.h
diff --git a/vlib-api/vlibapi/api.h b/vlib-api/vlibapi/api.h
index f620d950d8e..1f45a05738c 100644
--- a/vlib-api/vlibapi/api.h
+++ b/vlib-api/vlibapi/api.h
@@ -215,6 +215,10 @@ int vl_msg_api_pd_handler (void *mp, int rv);
void vl_msg_api_set_first_available_msg_id (u16 first_avail);
u16 vl_msg_api_get_msg_ids (char * name, int n);
+/* node_serialize.c prototypes */
+u8 * vlib_node_serialize (vlib_node_main_t *nm, u8 * vector);
+vlib_node_t ** vlib_node_unserialize (u8 * vector);
+
#define VLIB_API_INIT_FUNCTION(x) VLIB_DECLARE_INIT_FUNCTION(x,api_init)
#endif /* included_api_h */
diff --git a/vlib-api/vlibapi/node_serialize.c b/vlib-api/vlibapi/node_serialize.c
new file mode 100644
index 00000000000..d4fbd502398
--- /dev/null
+++ b/vlib-api/vlibapi/node_serialize.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2016 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 <vlib/vlib.h>
+
+#include <vppinfra/serialize.h>
+
+/*
+ * Serialize a vlib_node_main_t. Appends the result to vector.
+ * Pass 0 to create a new vector, use vec_reset_length(vector)
+ * to recycle a vector / avoid memory allocation, etc.
+ * Switch heaps before/after to serialize into API client shared memory.
+ */
+
+u8 * vlib_node_serialize (vlib_node_main_t *nm, u8 * vector)
+{
+ serialize_main_t _sm, *sm=&_sm;
+ vlib_node_t * node;
+ int i, j;
+ u8 * cstemp = 0;
+
+ serialize_open_vector (sm, vector);
+
+ serialize_likely_small_unsigned_integer (sm, vec_len(nm->nodes));
+ for (i = 0; i < vec_len (nm->nodes); i++)
+ {
+ node = nm->nodes[i];
+ vec_reset_length (cstemp);
+ cstemp = vec_dup(node->name);
+ vec_add1(cstemp, 0);
+ serialize_cstring (sm, (char *)cstemp);
+ serialize_likely_small_unsigned_integer (sm, vec_len(node->next_nodes));
+ for (j = 0; j < vec_len (node->next_nodes); j++)
+ serialize_likely_small_unsigned_integer (sm, node->next_nodes[j]);
+ }
+ vec_free(cstemp);
+
+ return (serialize_close_vector (sm));
+}
+
+vlib_node_t ** vlib_node_unserialize (u8 * vector)
+{
+ serialize_main_t _sm, *sm=&_sm;
+ u32 nnodes, nnexts;
+ vlib_node_t * node;
+ vlib_node_t ** nodes = 0;
+ int i, j;
+
+ serialize_open_vector (sm, vector);
+
+ nnodes = unserialize_likely_small_unsigned_integer (sm);
+
+ vec_validate (nodes, nnodes-1);
+
+ for (i = 0; i < nnodes; i++)
+ {
+ node = 0;
+ vec_validate (node,0);
+ nodes[i] = node;
+ unserialize_cstring (sm, (char **)&node->name);
+
+ nnexts = unserialize_likely_small_unsigned_integer (sm);
+ if (nnexts > 0)
+ vec_validate (node->next_nodes, nnexts-1);
+ for (j = 0; j < vec_len (node->next_nodes); j++)
+ node->next_nodes[j] =
+ unserialize_likely_small_unsigned_integer (sm);
+ }
+ return nodes;
+}
+
+
+#if CLIB_DEBUG > 0
+
+static clib_error_t *
+test_node_serialize_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_node_main_t * nm = &vm->node_main;
+ u8 * vector = 0;
+ vlib_node_t ** nodes;
+ vlib_node_t * node;
+ vlib_node_t * next_node;
+ int i, j;
+
+ /*
+ * Keep the number of memcpy ops to a minimum (e.g. 1).
+ * The current size of the serialized vector is
+ * slightly under 4K.
+ */
+ vec_validate (vector, 4095);
+ vec_reset_length (vector);
+
+ vector = vlib_node_serialize (nm, vector);
+
+ nodes = vlib_node_unserialize (vector);
+
+ vec_free (vector);
+
+ for (i = 0; i < vec_len(nodes); i++)
+ {
+ node = nodes[i];
+
+ vlib_cli_output (vm, "[%d] %s", i, node->name);
+ for (j = 0; j < vec_len (node->next_nodes); j++)
+ {
+ if (node->next_nodes[j] != ~0)
+ next_node = nodes[node->next_nodes[j]];
+ vlib_cli_output (vm, " [%d] %s", j, next_node->name);
+ }
+ }
+
+ for (i = 0; i < vec_len(nodes); i++)
+ {
+ vec_free (nodes[i]->name);
+ vec_free (nodes[i]->next_nodes);
+ vec_free (nodes[i]);
+ }
+ vec_free(nodes);
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (test_node_serialize_node, static) = {
+ .path = "test node serialize",
+ .short_help = "test node serialize",
+ .function = test_node_serialize_command_fn,
+};
+#endif
diff --git a/vpp-api-test/vat/api_format.c b/vpp-api-test/vat/api_format.c
index 4283586e307..13b2c0d64b9 100644
--- a/vpp-api-test/vat/api_format.c
+++ b/vpp-api-test/vat/api_format.c
@@ -635,10 +635,23 @@ static void vl_api_cli_reply_t_handler_json
{
vat_main_t * vam = &vat_main;
vat_json_node_t node;
+ api_main_t * am = &api_main;
+ void * oldheap;
+ u8 * reply;
vat_json_init_object(&node);
vat_json_object_add_int(&node, "retval", ntohl(mp->retval));
- vat_json_object_add_uint(&node, "reply_in_shmem", ntohl(mp->reply_in_shmem));
+ vat_json_object_add_uint(&node, "reply_in_shmem",
+ ntohl(mp->reply_in_shmem));
+ /* Toss the shared-memory original... */
+ pthread_mutex_lock (&am->vlib_rp->mutex);
+ oldheap = svm_push_data_heap (am->vlib_rp);
+
+ reply = (u8 *)(mp->reply_in_shmem);
+ vec_free (reply);
+
+ svm_pop_heap (oldheap);
+ pthread_mutex_unlock (&am->vlib_rp->mutex);
vat_json_print(vam->ofp, &node);
vat_json_free(&node);
@@ -1723,6 +1736,94 @@ static void vl_api_get_first_msg_id_reply_t_handler_json
vam->result_ready = 1;
}
+static void vl_api_get_node_graph_reply_t_handler
+(vl_api_get_node_graph_reply_t * mp)
+{
+ vat_main_t * vam = &vat_main;
+ api_main_t * am = &api_main;
+ i32 retval = ntohl(mp->retval);
+ u8 * pvt_copy, * reply;
+ void * oldheap;
+ vlib_node_t * node;
+ int i;
+
+ if (vam->async_mode) {
+ vam->async_errors += (retval < 0);
+ } else {
+ vam->retval = retval;
+ vam->result_ready = 1;
+ }
+
+ /* "Should never happen..." */
+ if (retval != 0)
+ return;
+
+ reply = (u8 *)(mp->reply_in_shmem);
+ pvt_copy = vec_dup (reply);
+
+ /* Toss the shared-memory original... */
+ pthread_mutex_lock (&am->vlib_rp->mutex);
+ oldheap = svm_push_data_heap (am->vlib_rp);
+
+ vec_free (reply);
+
+ svm_pop_heap (oldheap);
+ pthread_mutex_unlock (&am->vlib_rp->mutex);
+
+ if (vam->graph_nodes) {
+ hash_free (vam->graph_node_index_by_name);
+
+ for (i = 0; i < vec_len (vam->graph_nodes); i++) {
+ node = vam->graph_nodes[i];
+ vec_free (node->name);
+ vec_free (node->next_nodes);
+ vec_free (node);
+ }
+ vec_free(vam->graph_nodes);
+ }
+
+ vam->graph_node_index_by_name = hash_create_string (0, sizeof(uword));
+ vam->graph_nodes = vlib_node_unserialize (pvt_copy);
+ vec_free (pvt_copy);
+
+ for (i = 0; i < vec_len (vam->graph_nodes); i++) {
+ node = vam->graph_nodes[i];
+ hash_set_mem (vam->graph_node_index_by_name, node->name, i);
+ }
+}
+
+static void vl_api_get_node_graph_reply_t_handler_json
+(vl_api_get_node_graph_reply_t * mp)
+{
+ vat_main_t * vam = &vat_main;
+ api_main_t * am = &api_main;
+ void * oldheap;
+ vat_json_node_t node;
+ u8 * reply;
+
+ /* $$$$ make this real? */
+ vat_json_init_object(&node);
+ vat_json_object_add_int(&node, "retval", ntohl(mp->retval));
+ vat_json_object_add_uint(&node, "reply_in_shmem", mp->reply_in_shmem);
+
+ reply = (u8 *)(mp->reply_in_shmem);
+
+ /* Toss the shared-memory original... */
+ pthread_mutex_lock (&am->vlib_rp->mutex);
+ oldheap = svm_push_data_heap (am->vlib_rp);
+
+ vec_free (reply);
+
+ svm_pop_heap (oldheap);
+ pthread_mutex_unlock (&am->vlib_rp->mutex);
+
+ vat_json_print(vam->ofp, &node);
+ vat_json_free(&node);
+
+ vam->retval = ntohl(mp->retval);
+ vam->result_ready = 1;
+}
+
#define vl_api_vnet_ip4_fib_counters_t_endian vl_noop_handler
#define vl_api_vnet_ip4_fib_counters_t_print vl_noop_handler
#define vl_api_vnet_ip6_fib_counters_t_endian vl_noop_handler
@@ -1946,7 +2047,8 @@ _(WANT_INTERFACE_EVENTS_REPLY, want_interface_events_reply) \
_(WANT_STATS_REPLY, want_stats_reply) \
_(GET_FIRST_MSG_ID_REPLY, get_first_msg_id_reply) \
_(COP_INTERFACE_ENABLE_DISABLE_REPLY, cop_interface_enable_disable_reply) \
-_(COP_WHITELIST_ENABLE_DISABLE_REPLY, cop_whitelist_enable_disable_reply)
+_(COP_WHITELIST_ENABLE_DISABLE_REPLY, cop_whitelist_enable_disable_reply) \
+_(GET_NODE_GRAPH_REPLY, get_node_graph_reply)
/* M: construct, but don't yet send a message */
@@ -8488,6 +8590,19 @@ static int api_cop_whitelist_enable_disable (vat_main_t * vam)
W;
}
+static int api_get_node_graph (vat_main_t * vam)
+{
+ vl_api_get_node_graph_t * mp;
+ f64 timeout;
+
+ M(GET_NODE_GRAPH, get_node_graph);
+
+ /* send it... */
+ S;
+ /* Wait for the reply */
+ W;
+}
+
static int q_or_quit (vat_main_t * vam)
{
longjmp (vam->jump_buf, 1);
@@ -8623,6 +8738,75 @@ static int dump_macro_table (vat_main_t * vam)
return 0;
}
+static int dump_node_table (vat_main_t * vam)
+{
+ int i, j;
+ vlib_node_t * node, * next_node;
+
+ if (vec_len (vam->graph_nodes) == 0) {
+ fformat (vam->ofp, "Node table empty, issue get_node_graph...\n");
+ return 0;
+ }
+
+ for (i = 0; i < vec_len (vam->graph_nodes); i++) {
+ node = vam->graph_nodes[i];
+ fformat (vam->ofp, "[%d] %s\n", i, node->name);
+ for (j = 0; j < vec_len (node->next_nodes); j++) {
+ if (node->next_nodes[j] != ~0) {
+ next_node = vam->graph_nodes[node->next_nodes[j]];
+ fformat (vam->ofp, " [%d] %s\n", j, next_node->name);
+ }
+ }
+ }
+ return 0;
+}
+
+static int search_node_table (vat_main_t * vam)
+{
+ unformat_input_t * line_input = vam->input;
+ u8 * node_to_find;
+ int j;
+ vlib_node_t * node, * next_node;
+ uword * p;
+
+ if (vam->graph_node_index_by_name == 0) {
+ fformat (vam->ofp, "Node table empty, issue get_node_graph...\n");
+ return 0;
+ }
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
+ if (unformat (line_input, "%s", &node_to_find)) {
+ vec_add1 (node_to_find, 0);
+ p = hash_get_mem (vam->graph_node_index_by_name, node_to_find);
+ if (p == 0) {
+ fformat (vam->ofp, "%s not found...\n", node_to_find);
+ goto out;
+ }
+ node = vam->graph_nodes[p[0]];
+ fformat (vam->ofp, "[%d] %s\n", p[0], node->name);
+ for (j = 0; j < vec_len (node->next_nodes); j++) {
+ if (node->next_nodes[j] != ~0) {
+ next_node = vam->graph_nodes[node->next_nodes[j]];
+ fformat (vam->ofp, " [%d] %s\n", j, next_node->name);
+ }
+ }
+ }
+
+ else {
+ clib_warning ("parse error '%U'", format_unformat_error,
+ line_input);
+ return -99;
+ }
+
+ out:
+ vec_free(node_to_find);
+
+ }
+
+ return 0;
+}
+
+
static int script (vat_main_t * vam)
{
u8 * s = 0;
@@ -8870,7 +9054,8 @@ _(want_stats,"enable|disable") \
_(get_first_msg_id, "client <name>") \
_(cop_interface_enable_disable, "<intfc> | sw_if_index <nn> [disable]") \
_(cop_whitelist_enable_disable, "<intfc> | sw_if_index <nn>\n" \
- "fib-id <nn> [ip4][ip6][default]")
+ "fib-id <nn> [ip4][ip6][default]") \
+_(get_node_graph, " ")
/* List of command functions, CLI names map directly to functions */
#define foreach_cli_function \
@@ -8881,11 +9066,13 @@ _(dump_ipv4_table, "usage: dump_ipv4_table") \
_(dump_ipv6_table, "usage: dump_ipv6_table") \
_(dump_stats_table, "usage: dump_stats_table") \
_(dump_macro_table, "usage: dump_macro_table ") \
+_(dump_node_table, "usage: dump_node_table") \
_(echo, "usage: echo <message>") \
_(exec, "usage: exec <vpe-debug-CLI-command>") \
_(help, "usage: help") \
_(q, "usage: quit") \
_(quit, "usage: quit") \
+_(search_node_table, "usage: search_node_table <name>...") \
_(set, "usage: set <variable-name> <value>") \
_(script, "usage: script <file-name>") \
_(unset, "usage: unset <variable-name>")
diff --git a/vpp-api-test/vat/vat.h b/vpp-api-test/vat/vat.h
index 0d012cf2d32..b32d9ffc754 100644
--- a/vpp-api-test/vat/vat.h
+++ b/vpp-api-test/vat/vat.h
@@ -94,6 +94,10 @@ typedef struct {
/* subinterface table */
sw_interface_subif_t * sw_if_subif_table;
+ /* Graph node table */
+ uword * graph_node_index_by_name;
+ vlib_node_t ** graph_nodes;
+
/* ip tables */
ip_details_t * ip_details_by_sw_if_index[2];
@@ -115,6 +119,7 @@ typedef struct {
/* Errors by number */
uword * error_string_by_error_number;
+
/* Main thread can spin (w/ timeout) here if needed */
u32 async_mode;
u32 async_errors;
diff --git a/vpp/api/api.c b/vpp/api/api.c
index 1390291bb85..e14eef6375c 100644
--- a/vpp/api/api.c
+++ b/vpp/api/api.c
@@ -310,7 +310,8 @@ _(MAP_DOMAIN_DUMP, map_domain_dump) \
_(MAP_RULE_DUMP, map_rule_dump) \
_(MAP_SUMMARY_STATS, map_summary_stats) \
_(COP_INTERFACE_ENABLE_DISABLE, cop_interface_enable_disable) \
-_(COP_WHITELIST_ENABLE_DISABLE, cop_whitelist_enable_disable)
+_(COP_WHITELIST_ENABLE_DISABLE, cop_whitelist_enable_disable) \
+_(GET_NODE_GRAPH, get_node_graph)
#define QUOTE_(x) #x
#define QUOTE(x) QUOTE_(x)
@@ -4905,6 +4906,35 @@ static void vl_api_cop_whitelist_enable_disable_t_handler
REPLY_MACRO(VL_API_COP_WHITELIST_ENABLE_DISABLE_REPLY);
}
+static void vl_api_get_node_graph_t_handler
+(vl_api_get_node_graph_t * mp)
+{
+ int rv = 0;
+ u8 * vector = 0;
+ api_main_t * am = &api_main;
+ vlib_main_t * vm = vlib_get_main();
+ void * oldheap;
+ vl_api_get_node_graph_reply_t * rmp;
+
+ pthread_mutex_lock (&am->vlib_rp->mutex);
+ oldheap = svm_push_data_heap (am->vlib_rp);
+
+ /*
+ * Keep the number of memcpy ops to a minimum (e.g. 1).
+ * The current size of the serialized vector is
+ * slightly under 4K.
+ */
+ vec_validate (vector, 4095);
+ vec_reset_length (vector);
+
+ vector = vlib_node_serialize (&vm->node_main, vector);
+
+ svm_pop_heap (oldheap);
+ pthread_mutex_unlock (&am->vlib_rp->mutex);
+
+ REPLY_MACRO2(VL_API_GET_NODE_GRAPH_REPLY,
+ rmp->reply_in_shmem = (uword) vector);
+}
#define BOUNCE_HANDLER(nn) \
static void vl_api_##nn##_t_handler ( \
diff --git a/vpp/api/vpe.api b/vpp/api/vpe.api
index bc3e107f0c0..d76a5c8eb88 100644
--- a/vpp/api/vpe.api
+++ b/vpp/api/vpe.api
@@ -2809,3 +2809,28 @@ define cop_whitelist_enable_disable_reply {
i32 retval;
};
+/** \brief get_node_graph - get a copy of the vpp node graph
+ including the current set of graph arcs.
+
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+
+define get_node_graph {
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief get_node_graph_reply
+ @param context - returned sender context, to match reply w/ request
+ @param retval - return code
+ @param reply_in_shmem - result from vlib_node_serialize, in shared
+ memory. Process with vlib_node_unserialize, remember to switch
+ heaps and free the result.
+*/
+
+define get_node_graph_reply {
+ u32 context;
+ i32 retval;
+ u64 reply_in_shmem;
+};