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-rw-r--r--build-root/emacs-lisp/plugin-main-skel.el49
-rw-r--r--plugins/flowperpkt-plugin/flowperpkt/flowperpkt.c16
-rw-r--r--plugins/ioam-plugin/ioam/export/ioam_export.c16
-rw-r--r--plugins/ioam-plugin/ioam/lib-pot/pot_api.c16
-rw-r--r--plugins/ioam-plugin/ioam/lib-trace/trace_api.c16
-rw-r--r--plugins/lb-plugin/lb/api.c16
-rw-r--r--plugins/sample-plugin/sample/sample.c16
-rw-r--r--plugins/snat-plugin/Makefile.am7
-rw-r--r--plugins/snat-plugin/snat/snat.c17
-rw-r--r--vlib-api/vlibapi/api.h21
-rw-r--r--vlib-api/vlibapi/api_shared.c19
-rw-r--r--vlib-api/vlibmemory/memclnt.api3
-rw-r--r--vlib-api/vlibmemory/memory_shared.c60
-rw-r--r--vlib-api/vlibmemory/memory_vlib.c42
-rw-r--r--vpp-api-test/vat/api_format.c63
-rw-r--r--vpp-api/Makefile.am15
-rw-r--r--vpp-api/configure.ac2
-rw-r--r--vpp-api/python/Makefile.am3
-rwxr-xr-xvpp-api/python/pneum/api-gen.py351
-rw-r--r--vpp-api/python/pneum/pneum.c58
-rw-r--r--vpp-api/python/pneum/pneum.h8
-rw-r--r--vpp-api/python/pneum/test_pneum.c2
-rw-r--r--vpp-api/python/vpp_papi/pneum_wrap.c69
-rw-r--r--vpp/vpp-api/api.c40
-rw-r--r--vppapigen/lex.c105
-rw-r--r--vppapigen/lex.h1
-rw-r--r--vppapigen/node.c146
-rw-r--r--vppapigen/node.h4
28 files changed, 680 insertions, 501 deletions
diff --git a/build-root/emacs-lisp/plugin-main-skel.el b/build-root/emacs-lisp/plugin-main-skel.el
index 196f8653817..47240695d4f 100644
--- a/build-root/emacs-lisp/plugin-main-skel.el
+++ b/build-root/emacs-lisp/plugin-main-skel.el
@@ -23,7 +23,7 @@ nil
'(setq PLUGIN-NAME (upcase plugin-name))
"
/*
- * " plugin-name ".c - skeleton vpp engine plug-in
+ * " plugin-name ".c - skeleton vpp engine plug-in
*
* Copyright (c) <current-year> <your-organization>
* Licensed under the Apache License, Version 2.0 (the \"License\");
@@ -52,18 +52,18 @@ nil
/* define message structures */
#define vl_typedefs
-#include <" plugin-name "/" plugin-name "_all_api_h.h>
+#include <" plugin-name "/" plugin-name "_all_api_h.h>
#undef vl_typedefs
/* define generated endian-swappers */
#define vl_endianfun
-#include <" plugin-name "/" plugin-name "_all_api_h.h>
+#include <" plugin-name "/" plugin-name "_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
-#include <" plugin-name "/" plugin-name "_all_api_h.h>
+#include <" plugin-name "/" plugin-name "_all_api_h.h>
#undef vl_printfun
/* Get the API version number */
@@ -71,7 +71,7 @@ nil
#include <" plugin-name "/" plugin-name "_all_api_h.h>
#undef vl_api_version
-/*
+/*
* A handy macro to set up a message reply.
* Assumes that the following variables are available:
* mp - pointer to request message
@@ -100,14 +100,14 @@ do { \\
#define foreach_" plugin-name "_plugin_api_msg \\
_(" PLUGIN-NAME "_ENABLE_DISABLE, " plugin-name "_enable_disable)
-/*
+/*
* This routine exists to convince the vlib plugin framework that
* we haven't accidentally copied a random .dll into the plugin directory.
*
* Also collects global variable pointers passed from the vpp engine
*/
-clib_error_t *
+clib_error_t *
vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h,
int from_early_init)
{
@@ -130,7 +130,7 @@ int " plugin-name "_enable_disable (" plugin-name "_main_t * sm, u32 sw_if_index
int rv = 0;
/* Utterly wrong? */
- if (pool_is_free_index (sm->vnet_main->interface_main.sw_interfaces,
+ if (pool_is_free_index (sm->vnet_main->interface_main.sw_interfaces,
sw_if_index))
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
@@ -138,7 +138,7 @@ int " plugin-name "_enable_disable (" plugin-name "_main_t * sm, u32 sw_if_index
sw = vnet_get_sw_interface (sm->vnet_main, sw_if_index);
if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
-
+
vnet_feature_enable_disable (\"device-input\", \"" plugin-name "\",
sw_if_index, enable_disable, 0, 0);
@@ -153,7 +153,7 @@ static clib_error_t *
" plugin-name "_main_t * sm = &" plugin-name "_main;
u32 sw_if_index = ~0;
int enable_disable = 1;
-
+
int rv;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) {
@@ -168,7 +168,7 @@ static clib_error_t *
if (sw_if_index == ~0)
return clib_error_return (0, \"Please specify an interface...\");
-
+
rv = " plugin-name "_enable_disable (sm, sw_if_index, enable_disable);
switch(rv) {
@@ -176,7 +176,7 @@ static clib_error_t *
break;
case VNET_API_ERROR_INVALID_SW_IF_INDEX:
- return clib_error_return
+ return clib_error_return
(0, \"Invalid interface, only works on physical ports\");
break;
@@ -193,7 +193,7 @@ static clib_error_t *
VLIB_CLI_COMMAND (" plugin-name "_enable_disable_command, static) = {
.path = \"" plugin-name " enable-disable\",
- .short_help =
+ .short_help =
\"" plugin-name " enable-disable <interface-name> [disable]\",
.function = " plugin-name "_enable_disable_command_fn,
};
@@ -206,9 +206,9 @@ static void vl_api_" plugin-name "_enable_disable_t_handler
" plugin-name "_main_t * sm = &" plugin-name "_main;
int rv;
- rv = " plugin-name "_enable_disable (sm, ntohl(mp->sw_if_index),
+ rv = " plugin-name "_enable_disable (sm, ntohl(mp->sw_if_index),
(int) (mp->enable_disable));
-
+
REPLY_MACRO(VL_API_" PLUGIN-NAME "_ENABLE_DISABLE_REPLY);
}
@@ -224,13 +224,26 @@ static clib_error_t *
vl_noop_handler, \\
vl_api_##n##_t_endian, \\
vl_api_##n##_t_print, \\
- sizeof(vl_api_##n##_t), 1);
+ sizeof(vl_api_##n##_t), 1);
foreach_" plugin-name "_plugin_api_msg;
#undef _
return 0;
}
+#define vl_msg_name_crc_list
+#include <" plugin-name "/" plugin-name "_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (" plugin-name "_main_t * sm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
+ foreach_vl_msg_name_crc_" plugin-name" ;
+#undef _
+}
+
static clib_error_t * " plugin-name "_init (vlib_main_t * vm)
{
" plugin-name "_main_t * sm = &" plugin-name "_main;
@@ -240,7 +253,7 @@ static clib_error_t * " plugin-name "_init (vlib_main_t * vm)
name = format (0, \"" plugin-name "_%08x%c\", api_version, 0);
/* Ask for a correctly-sized block of API message decode slots */
- sm->msg_id_base = vl_msg_api_get_msg_ids
+ sm->msg_id_base = vl_msg_api_get_msg_ids
((char *) name, VL_MSG_FIRST_AVAILABLE);
error = " plugin-name "_plugin_api_hookup (vm);
@@ -252,7 +265,7 @@ static clib_error_t * " plugin-name "_init (vlib_main_t * vm)
VLIB_INIT_FUNCTION (" plugin-name "_init);
-VNET_FEATURE_INIT (" plugin-name ", static) =
+VNET_FEATURE_INIT (" plugin-name ", static) =
{
.arc_name = \"device-input\",
.node_name = \"" plugin-name "\",
diff --git a/plugins/flowperpkt-plugin/flowperpkt/flowperpkt.c b/plugins/flowperpkt-plugin/flowperpkt/flowperpkt.c
index dbdb189865d..529b9195b46 100644
--- a/plugins/flowperpkt-plugin/flowperpkt/flowperpkt.c
+++ b/plugins/flowperpkt-plugin/flowperpkt/flowperpkt.c
@@ -438,6 +438,19 @@ flowperpkt_plugin_api_hookup (vlib_main_t * vm)
return 0;
}
+#define vl_msg_name_crc_list
+#include <flowperpkt/flowperpkt_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (flowperpkt_main_t * fm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + fm->msg_id_base);
+ foreach_vl_msg_name_crc_flowperpkt;
+#undef _
+}
+
/**
* @brief Set up the API message handling tables
* @param vm vlib_main_t * vlib main data structure pointer
@@ -462,6 +475,9 @@ flowperpkt_init (vlib_main_t * vm)
/* Hook up message handlers */
error = flowperpkt_plugin_api_hookup (vm);
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (fm, &api_main);
+
vec_free (name);
/* Decide how many worker threads we have */
diff --git a/plugins/ioam-plugin/ioam/export/ioam_export.c b/plugins/ioam-plugin/ioam/export/ioam_export.c
index 9efcab05487..e51c43eb4c1 100644
--- a/plugins/ioam-plugin/ioam/export/ioam_export.c
+++ b/plugins/ioam-plugin/ioam/export/ioam_export.c
@@ -176,6 +176,19 @@ ioam_export_plugin_api_hookup (vlib_main_t * vm)
return 0;
}
+#define vl_msg_name_crc_list
+#include <ioam/export/ioam_export_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (ioam_export_main_t * sm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
+ foreach_vl_msg_name_crc_ioam_export;
+#undef _
+}
+
static clib_error_t *
set_ioam_export_ipfix_command_fn (vlib_main_t * vm,
unformat_input_t * input,
@@ -247,6 +260,9 @@ ioam_export_init (vlib_main_t * vm)
error = ioam_export_plugin_api_hookup (vm);
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (em, &api_main);
+
/* Hook this export node to ip6-hop-by-hop */
ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop");
em->my_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, node_index);
diff --git a/plugins/ioam-plugin/ioam/lib-pot/pot_api.c b/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
index 95be9e02adf..484f223603e 100644
--- a/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
+++ b/plugins/ioam-plugin/ioam/lib-pot/pot_api.c
@@ -206,6 +206,19 @@ pot_plugin_api_hookup (vlib_main_t *vm)
return 0;
}
+#define vl_msg_name_crc_list
+#include <ioam/lib-pot/pot_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (pot_main_t * sm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
+ foreach_vl_msg_name_crc_pot;
+#undef _
+}
+
static clib_error_t * pot_init (vlib_main_t * vm)
{
pot_main_t * sm = &pot_main;
@@ -222,6 +235,9 @@ static clib_error_t * pot_init (vlib_main_t * vm)
error = pot_plugin_api_hookup (vm);
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (sm, &api_main);
+
vec_free(name);
return error;
diff --git a/plugins/ioam-plugin/ioam/lib-trace/trace_api.c b/plugins/ioam-plugin/ioam/lib-trace/trace_api.c
index b98e65fb320..32c8e23fae3 100644
--- a/plugins/ioam-plugin/ioam/lib-trace/trace_api.c
+++ b/plugins/ioam-plugin/ioam/lib-trace/trace_api.c
@@ -178,6 +178,19 @@ trace_plugin_api_hookup (vlib_main_t * vm)
return 0;
}
+#define vl_msg_name_crc_list
+#include <ioam/lib-trace/trace_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (trace_main_t * sm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
+ foreach_vl_msg_name_crc_trace;
+#undef _
+}
+
static clib_error_t *
trace_init (vlib_main_t * vm)
{
@@ -195,6 +208,9 @@ trace_init (vlib_main_t * vm)
error = trace_plugin_api_hookup (vm);
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (sm, &api_main);
+
vec_free (name);
return error;
diff --git a/plugins/lb-plugin/lb/api.c b/plugins/lb-plugin/lb/api.c
index 56806d25d0c..06c53fa1005 100644
--- a/plugins/lb-plugin/lb/api.c
+++ b/plugins/lb-plugin/lb/api.c
@@ -47,6 +47,19 @@ typedef enum {
#include <lb/lb.api.h>
#undef vl_api_version
+#define vl_msg_name_crc_list
+#include <lb/lb.api.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (lb_main_t * lbm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + lbm->msg_id_base);
+ foreach_vl_msg_name_crc_lb;
+#undef _
+}
+
/* Macro to finish up custom dump fns */
#define FINISH \
vec_add1 (s, 0); \
@@ -206,6 +219,9 @@ static clib_error_t * lb_api_init (vlib_main_t * vm)
foreach_lb_plugin_api_msg;
#undef _
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (lbm, &api_main);
+
return 0;
}
diff --git a/plugins/sample-plugin/sample/sample.c b/plugins/sample-plugin/sample/sample.c
index 321b66c0fb1..603cb2d0ee4 100644
--- a/plugins/sample-plugin/sample/sample.c
+++ b/plugins/sample-plugin/sample/sample.c
@@ -210,6 +210,19 @@ sample_plugin_api_hookup (vlib_main_t *vm)
return 0;
}
+#define vl_msg_name_crc_list
+#include <sample/sample_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (sample_main_t * sm, api_main_t *am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
+ foreach_vl_msg_name_crc_sample;
+#undef _
+}
+
static clib_error_t * sample_init (vlib_main_t * vm)
{
sample_main_t * sm = &sample_main;
@@ -224,6 +237,9 @@ static clib_error_t * sample_init (vlib_main_t * vm)
error = sample_plugin_api_hookup (vm);
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (sm, &api_main);
+
vec_free(name);
return error;
diff --git a/plugins/snat-plugin/Makefile.am b/plugins/snat-plugin/Makefile.am
index 9f41193a708..0a0fff86486 100644
--- a/plugins/snat-plugin/Makefile.am
+++ b/plugins/snat-plugin/Makefile.am
@@ -39,8 +39,8 @@ SUFFIXES = .api.h .api
%.py: %.api
$(info Creating Python binding for $@)
- $(CC) $(CPPFLAGS) -E -P -C -x c $< \
- | vppapigen --input - --python - \
+ $(CC) $(CPPFLAGS) -E -P -C -x c $< \
+ | vppapigen --input - --python - \
| pyvppapigen.py --input - > $@
pyapidir = ${prefix}/vpp_papi_plugins
@@ -59,7 +59,8 @@ install-data-hook:
@(cd $(vpppluginsdir) && $(RM) $(vppplugins_LTLIBRARIES))
@(cd $(vppapitestpluginsdir) && $(RM) $(vppapitestplugins_LTLIBRARIES))
-
+apidir = $(prefix)/snat
+api_DATA = snat/snat.api
#
# Java code generation
diff --git a/plugins/snat-plugin/snat/snat.c b/plugins/snat-plugin/snat/snat.c
index 66c03817ca0..2956e24f054 100644
--- a/plugins/snat-plugin/snat/snat.c
+++ b/plugins/snat-plugin/snat/snat.c
@@ -955,6 +955,19 @@ snat_plugin_api_hookup (vlib_main_t *vm)
return 0;
}
+#define vl_msg_name_crc_list
+#include <snat/snat_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (snat_main_t * sm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
+ foreach_vl_msg_name_crc_snat;
+#undef _
+}
+
static void plugin_custom_dump_configure (snat_main_t * sm)
{
#define _(n,f) sm->api_main->msg_print_handlers \
@@ -985,6 +998,10 @@ static clib_error_t * snat_init (vlib_main_t * vm)
sm->api_main = &api_main;
error = snat_plugin_api_hookup (vm);
+
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (sm, &api_main);
+
plugin_custom_dump_configure (sm);
vec_free(name);
diff --git a/vlib-api/vlibapi/api.h b/vlib-api/vlibapi/api.h
index a932bf42177..10ca443b434 100644
--- a/vlib-api/vlibapi/api.h
+++ b/vlib-api/vlibapi/api.h
@@ -87,11 +87,14 @@ typedef struct
u8 **traces;
} vl_api_trace_t;
-typedef CLIB_PACKED (struct
- {
- u8 endian; u8 wrapped;
- u32 nitems;
- }) vl_api_trace_file_header_t;
+/* *INDENT-OFF* */
+typedef CLIB_PACKED
+(struct
+ {
+ u8 endian; u8 wrapped;
+ u32 nitems;
+}) vl_api_trace_file_header_t;
+/* *INDENT-ON* */
typedef enum
{
@@ -132,6 +135,8 @@ typedef struct
struct vl_shmem_hdr_ *shmem_hdr;
vl_api_registration_t **vl_clients;
+ u8 *serialized_message_table_in_shmem;
+
/* For plugin msg allocator */
u16 first_available_msg_id;
@@ -178,6 +183,9 @@ typedef struct
i32 vlib_signal;
+ /* client side message index hash table */
+ uword *msg_index_by_name_and_crc;
+
char *region_name;
char *root_path;
} api_main_t;
@@ -188,6 +196,7 @@ typedef struct
{
int id;
char *name;
+ u32 crc;
void *handler;
void *cleanup;
void *endian;
@@ -242,6 +251,8 @@ 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);
+void vl_msg_api_add_msg_name_crc (api_main_t * am, char *string, u32 id);
+u32 vl_api_get_msg_index (u8 * name_and_crc);
/* node_serialize.c prototypes */
u8 *vlib_node_serialize (vlib_node_main_t * nm, u8 * vector,
diff --git a/vlib-api/vlibapi/api_shared.c b/vlib-api/vlibapi/api_shared.c
index 511f693849d..2b2d81c2735 100644
--- a/vlib-api/vlibapi/api_shared.c
+++ b/vlib-api/vlibapi/api_shared.c
@@ -1312,6 +1312,25 @@ vl_msg_api_get_msg_ids (char *name, int n)
return rv;
}
+void
+vl_msg_api_add_msg_name_crc (api_main_t * am, char *string, u32 id)
+{
+ uword *p;
+
+ if (am->msg_index_by_name_and_crc == 0)
+ am->msg_index_by_name_and_crc = hash_create_string (0, sizeof (uword));
+
+ p = hash_get_mem (am->msg_index_by_name_and_crc, string);
+ if (p)
+ {
+ clib_warning ("attempt to redefine '%s' ignored...", string);
+ return;
+ }
+
+ hash_set_mem (am->msg_index_by_name_and_crc, string, id);
+}
+
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/vlib-api/vlibmemory/memclnt.api b/vlib-api/vlibmemory/memclnt.api
index c2758238a96..2f654caf2c1 100644
--- a/vlib-api/vlibmemory/memclnt.api
+++ b/vlib-api/vlibmemory/memclnt.api
@@ -28,9 +28,10 @@ define memclnt_create {
define memclnt_create_reply {
i32 response; /* Non-negative = success */
- u64 handle; /* handle by which vlib knows this client */
+ u64 handle; /* handle by which vlib knows this client */
u32 index; /* index, used e.g. by API trace replay */
u32 context; /* opaque value from the create request */
+ u64 message_table; /* serialized message table in shmem */
};
/*
diff --git a/vlib-api/vlibmemory/memory_shared.c b/vlib-api/vlibmemory/memory_shared.c
index 134fcd52c84..6adc69fc05f 100644
--- a/vlib-api/vlibmemory/memory_shared.c
+++ b/vlib-api/vlibmemory/memory_shared.c
@@ -541,28 +541,62 @@ vl_msg_api_send_shmem_nolock (unix_shared_memory_queue_t * q, u8 * elem)
static void
vl_api_memclnt_create_reply_t_handler (vl_api_memclnt_create_reply_t * mp)
{
+ serialize_main_t _sm, *sm = &_sm;
api_main_t *am = &api_main;
- int rv;
+ u8 *tblv;
+ u32 nmsgs;
+ int i;
+ u8 *name_and_crc;
+ u32 msg_index;
am->my_client_index = mp->index;
am->my_registration = (vl_api_registration_t *) (uword) mp->handle;
- rv = ntohl (mp->response);
+ /* Clean out any previous hash table (unlikely) */
+ if (am->msg_index_by_name_and_crc)
+ {
+ int i;
+ u8 **keys = 0;
+ hash_pair_t *hp;
+ /* *INDENT-OFF* */
+ hash_foreach_pair (hp, am->msg_index_by_name_and_crc,
+ ({
+ vec_add1 (keys, (u8 *) hp->key);
+ }));
+ /* *INDENT-ON* */
+ for (i = 0; i < vec_len (keys); i++)
+ vec_free (keys[i]);
+ vec_free (keys);
+ }
- if (rv < 0)
- clib_warning ("WARNING: API mismatch detected");
-}
+ am->msg_index_by_name_and_crc = hash_create_string (0, sizeof (uword));
-void vl_client_add_api_signatures (vl_api_memclnt_create_t * mp)
- __attribute__ ((weak));
+ /* Recreate the vnet-side API message handler table */
+ tblv = (u8 *) mp->message_table;
+ serialize_open_vector (sm, tblv);
+ unserialize_integer (sm, &nmsgs, sizeof (u32));
-void
-vl_client_add_api_signatures (vl_api_memclnt_create_t * mp)
+ for (i = 0; i < nmsgs; i++)
+ {
+ msg_index = unserialize_likely_small_unsigned_integer (sm);
+ unserialize_cstring (sm, (char **) &name_and_crc);
+ hash_set_mem (am->msg_index_by_name_and_crc, name_and_crc, msg_index);
+ }
+}
+
+u32
+vl_api_get_msg_index (u8 * name_and_crc)
{
- int i;
+ api_main_t *am = &api_main;
+ uword *p;
- for (i = 0; i < ARRAY_LEN (mp->api_versions); i++)
- mp->api_versions[i] = 0;
+ if (am->msg_index_by_name_and_crc)
+ {
+ p = hash_get_mem (am->msg_index_by_name_and_crc, name_and_crc);
+ if (p)
+ return p[0];
+ }
+ return ~0;
}
int
@@ -617,8 +651,6 @@ vl_client_connect (char *name, int ctx_quota, int input_queue_size)
mp->input_queue = (uword) vl_input_queue;
strncpy ((char *) mp->name, name, sizeof (mp->name) - 1);
- vl_client_add_api_signatures (mp);
-
vl_msg_api_send_shmem (shmem_hdr->vl_input_queue, (u8 *) & mp);
while (1)
diff --git a/vlib-api/vlibmemory/memory_vlib.c b/vlib-api/vlibmemory/memory_vlib.c
index ca3eb141f7e..5f97f1611d1 100644
--- a/vlib-api/vlibmemory/memory_vlib.c
+++ b/vlib-api/vlibmemory/memory_vlib.c
@@ -100,13 +100,28 @@ vl_msg_api_send (vl_api_registration_t * rp, u8 * elem)
}
}
-int vl_msg_api_version_check (vl_api_memclnt_create_t * mp)
- __attribute__ ((weak));
-
-int
-vl_msg_api_version_check (vl_api_memclnt_create_t * mp)
+u8 *
+vl_api_serialize_message_table (api_main_t * am, u8 * vector)
{
- return 0;
+ serialize_main_t _sm, *sm = &_sm;
+ hash_pair_t *hp;
+ u32 nmsg = hash_elts (am->msg_index_by_name_and_crc);
+
+ serialize_open_vector (sm, vector);
+
+ /* serialize the count */
+ serialize_integer (sm, nmsg, sizeof (u32));
+
+ hash_foreach_pair (hp, am->msg_index_by_name_and_crc, (
+ {
+ serialize_likely_small_unsigned_integer
+ (sm, hp->value[0]);
+ serialize_cstring
+ (sm,
+ (char *) hp->key);
+ }));
+
+ return serialize_close_vector (sm);
}
/*
@@ -120,12 +135,10 @@ vl_api_memclnt_create_t_handler (vl_api_memclnt_create_t * mp)
vl_api_memclnt_create_reply_t *rp;
svm_region_t *svm;
unix_shared_memory_queue_t *q;
- int rv;
+ int rv = 0;
void *oldheap;
api_main_t *am = &api_main;
-
- /* Indicate API version mismatch if appropriate */
- rv = vl_msg_api_version_check (mp);
+ u8 *serialized_message_table = 0;
/*
* This is tortured. Maintain a vlib-address-space private
@@ -157,6 +170,9 @@ vl_api_memclnt_create_t_handler (vl_api_memclnt_create_t * mp)
svm = am->vlib_rp;
+ if (am->serialized_message_table_in_shmem == 0)
+ serialized_message_table = vl_api_serialize_message_table (am, 0);
+
pthread_mutex_lock (&svm->mutex);
oldheap = svm_push_data_heap (svm);
*regpp = clib_mem_alloc (sizeof (vl_api_registration_t));
@@ -171,10 +187,15 @@ vl_api_memclnt_create_t_handler (vl_api_memclnt_create_t * mp)
regp->name = format (0, "%s", mp->name);
vec_add1 (regp->name, 0);
+ if (serialized_message_table)
+ am->serialized_message_table_in_shmem =
+ vec_dup (serialized_message_table);
pthread_mutex_unlock (&svm->mutex);
svm_pop_heap (oldheap);
+ vec_free (serialized_message_table);
+
rp = vl_msg_api_alloc (sizeof (*rp));
rp->_vl_msg_id = ntohs (VL_API_MEMCLNT_CREATE_REPLY);
rp->handle = (uword) regp;
@@ -183,6 +204,7 @@ vl_api_memclnt_create_t_handler (vl_api_memclnt_create_t * mp)
am->shmem_hdr->application_restarts);
rp->context = mp->context;
rp->response = ntohl (rv);
+ rp->message_table = (u64) am->serialized_message_table_in_shmem;
vl_msg_api_send_shmem (q, (u8 *) & rp);
}
diff --git a/vpp-api-test/vat/api_format.c b/vpp-api-test/vat/api_format.c
index 3d7ce4686c8..00bb976b2bf 100644
--- a/vpp-api-test/vat/api_format.c
+++ b/vpp-api-test/vat/api_format.c
@@ -16535,6 +16535,67 @@ dump_node_table (vat_main_t * vam)
}
static int
+value_sort_cmp (void *a1, void *a2)
+{
+ name_sort_t *n1 = a1;
+ name_sort_t *n2 = a2;
+
+ if (n1->value < n2->value)
+ return -1;
+ if (n1->value > n2->value)
+ return 1;
+ return 0;
+}
+
+
+static int
+dump_msg_api_table (vat_main_t * vam)
+{
+ api_main_t *am = &api_main;
+ name_sort_t *nses = 0, *ns;
+ hash_pair_t *hp;
+ int i;
+
+ /* *INDENT-OFF* */
+ hash_foreach_pair (hp, am->msg_index_by_name_and_crc,
+ ({
+ vec_add2 (nses, ns, 1);
+ ns->name = (u8 *)(hp->key);
+ ns->value = (u32) hp->value[0];
+ }));
+ /* *INDENT-ON* */
+
+ vec_sort_with_function (nses, value_sort_cmp);
+
+ for (i = 0; i < vec_len (nses); i++)
+ fformat (vam->ofp, " [%d]: %s\n", nses[i].value, nses[i].name);
+ vec_free (nses);
+ return 0;
+}
+
+static int
+get_msg_id (vat_main_t * vam)
+{
+ u8 *name_and_crc;
+ u32 message_index;
+
+ if (unformat (vam->input, "%s", &name_and_crc))
+ {
+ message_index = vl_api_get_msg_index (name_and_crc);
+ if (message_index == ~0)
+ {
+ fformat (vam->ofp, " '%s' not found\n", name_and_crc);
+ return 0;
+ }
+ fformat (vam->ofp, " '%s' has message index %d\n",
+ name_and_crc, message_index);
+ return 0;
+ }
+ errmsg ("name_and_crc required...\n");
+ return 0;
+}
+
+static int
search_node_table (vat_main_t * vam)
{
unformat_input_t *line_input = vam->input;
@@ -16971,6 +17032,8 @@ _(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") \
+_(dump_msg_api_table, "usage: dump_msg_api_table") \
+_(get_msg_id, "usage: get_msg_id name_and_crc") \
_(echo, "usage: echo <message>") \
_(exec, "usage: exec <vpe-debug-CLI-command>") \
_(exec_inband, "usage: exec_inband <vpe-debug-CLI-command>") \
diff --git a/vpp-api/Makefile.am b/vpp-api/Makefile.am
index 1812b63765c..310bd2321eb 100644
--- a/vpp-api/Makefile.am
+++ b/vpp-api/Makefile.am
@@ -1,2 +1,17 @@
AUTOMAKE_OPTIONS = foreign
SUBDIRS = python java
+
+api_json_dir = $(abs_builddir)/vpp-api
+api_srcs:=$(shell find $(prefix)/../ -name '*.api')
+api_json:=$(patsubst %.api,$(api_json_dir)/%.api.json,$(notdir $(api_srcs)))
+
+define define_compile_rules
+$(api_json_dir)/%.api.json: $(1)%.api
+ @echo " + Generating '$$<'"
+ @mkdir -p $$(@D)
+ $(CC) $$(CPPFLAGS) -E -P -C -x c $$< | vppapigen --input - --json $$@
+endef
+
+$(foreach directory,$(dir $(api_srcs)),$(eval $(call define_compile_rules,$(directory))))
+
+BUILT_SOURCES = $(api_json)
diff --git a/vpp-api/configure.ac b/vpp-api/configure.ac
index 0a052cf9c5d..3d7bf251108 100644
--- a/vpp-api/configure.ac
+++ b/vpp-api/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(vpp-api, 1.0.0)
+AC_INIT(vpp-api, 1.1.0)
LT_INIT
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SUBDIRS([java])
diff --git a/vpp-api/python/Makefile.am b/vpp-api/python/Makefile.am
index 59b1b9220bd..d2c3fb5dd4e 100644
--- a/vpp-api/python/Makefile.am
+++ b/vpp-api/python/Makefile.am
@@ -52,7 +52,8 @@ install-exec-local: $(srcdir)/vpp_papi/vpe.py $(srcdir)/vpp_papi/memclnt.py
cd $(srcdir); \
mkdir -p $(prefix)/lib/python2.7/site-packages; \
PYTHONUSERBASE=$(prefix) \
- python setup.py build_ext -L $(prefix)/lib64 install --user
+ python setup.py build_ext -L $(prefix)/lib64 \
+ -I $(prefix)/../vppinfra/include/ install --user
#
# Test client
diff --git a/vpp-api/python/pneum/api-gen.py b/vpp-api/python/pneum/api-gen.py
deleted file mode 100755
index 445683523de..00000000000
--- a/vpp-api/python/pneum/api-gen.py
+++ /dev/null
@@ -1,351 +0,0 @@
-#!/usr/bin/env python
-#
-# 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.
-#
-
-import argparse, sys, os, importlib, pprint
-
-parser = argparse.ArgumentParser(description='VPP Python API generator')
-parser.add_argument('-i', action="store", dest="inputfile")
-parser.add_argument('-c', '--cfile', action="store")
-args = parser.parse_args()
-
-sys.path.append(".")
-
-inputfile = args.inputfile.replace('.py', '')
-cfg = importlib.import_module(inputfile, package=None)
-
-# https://docs.python.org/3/library/struct.html
-format_struct = {'u8': 'B',
- 'u16' : 'H',
- 'u32' : 'I',
- 'i32' : 'i',
- 'u64' : 'Q',
- 'f64' : 'd',
- 'vl_api_fib_path_t' : 'IIBBBBBBBBBBBBBBBBBBBBB',
- 'vl_api_ip4_fib_counter_t' : 'IBQQ',
- 'vl_api_ip6_fib_counter_t' : 'QQBQQ',
- 'vl_api_lisp_adjacency_t' : 'B' * 35,
- };
-#
-# NB: If new types are introduced in vpe.api, these must be updated.
-#
-type_size = {'u8': 1,
- 'u16' : 2,
- 'u32' : 4,
- 'i32' : 4,
- 'u64' : 8,
- 'f64' : 8,
- 'vl_api_fib_path_t' : 29,
- 'vl_api_ip4_fib_counter_t' : 21,
- 'vl_api_ip6_fib_counter_t' : 33,
- 'vl_api_lisp_adjacency_t' : 35,
-};
-
-def get_args(t):
- argslist = []
- for i in t:
- if i[1][0] == '_':
- argslist.append(i[1][1:])
- else:
- argslist.append(i[1])
-
- return argslist
-
-def get_pack(t):
- zeroarray = False
- bytecount = 0
- pack = '>'
- tup = u''
- j = -1
- for i in t:
- j += 1
- if len(i) is 3 or len(i) is 4: # TODO: add support for variable length arrays (VPP-162)
- size = type_size[i[0]]
- bytecount += size * int(i[2])
- # Check if we have a zero length array
- if i[2] == '0':
- tup += 'msg[' + str(bytecount) + ':],'
- zeroarray = True
- continue
- if size == 1:
- n = i[2] * size
- pack += str(n) + 's'
- tup += 'tr[' + str(j) + '],'
- continue
- pack += format_struct[i[0]] * int(i[2])
- tup += 'tr[' + str(j) + ':' + str(j + int(i[2])) + '],'
- j += int(i[2]) - 1
- else:
- bytecount += type_size[i[0]]
- pack += format_struct[i[0]]
- tup += 'tr[' + str(j) + '],'
- return pack, bytecount, tup, zeroarray
-
-def get_reply_func(f):
- if f['name']+'_reply' in func_name:
- return func_name[f['name']+'_reply']
- if f['name'].find('_dump') > 0:
- r = f['name'].replace('_dump','_details')
- if r in func_name:
- return func_name[r]
- return None
-
-def get_enums():
- # Read enums from stdin
- enums_by_name = {}
- enums_by_index = {}
- i = 1
- for l in sys.stdin:
- l = l.replace(',\n','')
- print l, "=", i
-
- l = l.replace('VL_API_','').lower()
- enums_by_name[l] = i
- enums_by_index[i] = l
-
- i += 1
- return enums_by_name, enums_by_index
-
-def get_definitions():
- # Pass 1
- func_list = []
- func_name = {}
- i = 1
- for a in cfg.messages:
- pack, packlen, tup, zeroarray = get_pack(a[1:])
- func_name[a[0]] = dict([('name', a[0]), ('pack', pack), ('packlen', packlen), ('tup', tup), ('args', get_args(a[1:])),
- ('zeroarray', zeroarray)])
- func_list.append(func_name[a[0]]) # Indexed by name
- return func_list, func_name
-
-def generate_c_macros(func_list, enums_by_name):
- file = open(args.cfile, 'w+')
- print >>file, "#define foreach_api_msg \\"
- for f in func_list:
- if not f['name'] in enums_by_name:
- continue
- print >>file, "_(" + f['name'].upper() + ", " + f['name'] + ") \\"
- print >>file, '''
-void pneum_set_handlers(void) {
-#define _(N,n) \\
- api_func_table[VL_API_##N] = sizeof(vl_api_##n##_t);
- foreach_api_msg;
-#undef _
-}
- '''
-
-#
-# Print array with a hash of 'decode' and 'multipart'
-# Simplify to do only decode for now. And deduce multipart from _dump?
-#
-def decode_function_print(name, args, pack, packlen, tup):
-
- print(u'def ' + name + u'_decode(msg):')
- print(u" n = namedtuple('" + name + "', '" + ', '.join(args) + "')" +
- '''
- if not n:
- return None
- ''')
- print(u" tr = unpack('" + pack + "', msg[:" + str(packlen) + "])")
- print(u" r = n._make((" + tup + "))" +
- '''
- if not r:
- return None
- return r
- ''')
-
-def function_print(name, id, args, pack, multipart, zeroarray):
- if len(args) < 4:
- print "def", name + "(async = False):"
- else:
- print "def", name + "(" + ', '.join(args[3:]) + ", async = False):"
- print " global waiting_for_reply"
- print " context = get_context(" + id + ")"
-
- print '''
- results[context] = {}
- results[context]['e'] = threading.Event()
- results[context]['e'].clear()
- results[context]['r'] = []
- waiting_for_reply = True
- '''
- if multipart == True:
- print " results[context]['m'] = True"
-
- if zeroarray == True:
- print " vpp_api.write(pack('" + pack + "', " + id + ", 0, context, " + ', '.join(args[3:-1]) + ") + " + args[-1] + ")"
- else:
- print " vpp_api.write(pack('" + pack + "', " + id + ", 0, context, " + ', '.join(args[3:]) + "))"
-
- if multipart == True:
- print " vpp_api.write(pack('>HII', VL_API_CONTROL_PING, 0, context))"
-
- print '''
- if not async:
- results[context]['e'].wait(5)
- return results[context]['r']
- return context
- '''
-
-#
-# Should dynamically create size
-#
-def api_table_print (name, msg_id):
- f = name + '_decode'
- print('api_func_table[' + msg_id + '] = ' + f)
-
-#
-# Generate the main Python file
-#
-
-print '''
-
-#
-# AUTO-GENERATED FILE. PLEASE DO NOT EDIT.
-#
-import sys, time, threading, signal, os, logging
-from struct import *
-from collections import namedtuple
-
-#
-# Import C API shared object
-#
-import vpp_api
-
-context = 0
-results = {}
-waiting_for_reply = False
-
-#
-# XXX: Make this return a unique number
-#
-def get_context(id):
- global context
- context += 1
- return context
-
-def msg_handler(msg):
- global result, context, event_callback, waiting_for_reply
- if not msg:
- logging.warning('vpp_api.read failed')
- return
-
- id = unpack('>H', msg[0:2])
- logging.debug('Received message', id[0])
- if id[0] == VL_API_RX_THREAD_EXIT:
- logging.info("We got told to leave")
- return;
-
- #
- # Decode message and returns a tuple.
- #
- logging.debug('api_func', api_func_table[id[0]])
- r = api_func_table[id[0]](msg)
- if not r:
- logging.warning('Message decode failed', id[0])
- return
-
- if 'context' in r._asdict():
- if r.context > 0:
- context = r.context
-
- #
- # XXX: Call provided callback for event
- # Are we guaranteed to not get an event during processing of other messages?
- # How to differentiate what's a callback message and what not? Context = 0?
- #
- logging.debug('R:', context, r, waiting_for_reply)
- if waiting_for_reply == False:
- event_callback(r)
- return
-
- #
- # Collect results until control ping
- #
- if id[0] == VL_API_CONTROL_PING_REPLY:
- results[context]['e'].set()
- waiting_for_reply = False
- return
- if not context in results:
- logging.warning('Not expecting results for this context', context)
- return
- if 'm' in results[context]:
- results[context]['r'].append(r)
- return
-
- results[context]['r'] = r
- results[context]['e'].set()
- waiting_for_reply = False
-
-def connect(name):
- signal.alarm(3) # 3 second
- rv = vpp_api.connect(name, msg_handler)
- signal.alarm(0)
- logging.info("Connect:", rv)
- return rv
-
-def disconnect():
- rv = vpp_api.disconnect()
- logging.info("Disconnected")
- return rv
-
-def register_event_callback(callback):
- global event_callback
- event_callback = callback
-'''
-
-enums_by_name, enums_by_index = get_enums()
-func_list, func_name = get_definitions()
-
-#
-# Not needed with the new msg_size field.
-# generate_c_macros(func_list, enums_by_name)
-#
-
-pp = pprint.PrettyPrinter(indent=4)
-#print 'enums_by_index =', pp.pprint(enums_by_index)
-#print 'func_name =', pp.pprint(func_name)
-
-# Pass 2
-
-#
-# 1) The VPE API lacks a clear definition of what messages are reply messages
-# 2) Length is missing, and has to be pre-known or in case of variable sized ones calculated per message type
-#
-for f in func_list:
- #if f['name'].find('_reply') > 0 or f['name'].find('_details') > 0:
- decode_function_print(f['name'], f['args'], f['pack'], f['packlen'], f['tup'])
-
- #r = get_reply_func(f)
- #if not r:
- # #
- # # XXX: Functions here are not taken care of. E.g. events
- # #
- # print('Missing function', f)
- # continue
-
- if f['name'].find('_dump') > 0:
- f['multipart'] = True
- else:
- f['multipart'] = False
- msg_id_in = 'VL_API_' + f['name'].upper()
- function_print(f['name'], msg_id_in, f['args'], f['pack'], f['multipart'], f['zeroarray'])
-
-
-print "api_func_table = [0] * 10000"
-for f in func_list:
- # if f['name'].find('_reply') > 0 or f['name'].find('_details') > 0:
- msg_id_in = 'VL_API_' + f['name'].upper()
- api_table_print(f['name'], msg_id_in)
diff --git a/vpp-api/python/pneum/pneum.c b/vpp-api/python/pneum/pneum.c
index ebe47b2f419..3b5455304e5 100644
--- a/vpp-api/python/pneum/pneum.c
+++ b/vpp-api/python/pneum/pneum.c
@@ -52,7 +52,7 @@ typedef struct {
pneum_main_t pneum_main;
-extern int wrap_pneum_callback(char *data, int len);
+pneum_callback_t pneum_callback;
/*
* Satisfy external references when -lvlib is not available.
@@ -62,24 +62,16 @@ void vlib_cli_output (struct vlib_main_t * vm, char * fmt, ...)
clib_warning ("vlib_cli_output called...");
}
-#define vl_api_version(n,v) static u32 vpe_api_version = v;
-#include <vpp-api/vpe.api.h>
-#undef vl_api_version
void
-vl_client_add_api_signatures (vl_api_memclnt_create_t *mp)
+pneum_free (void * msg)
{
- /*
- * Send the main API signature in slot 0. This bit of code must
- * match the checks in ../vpe/api/api.c: vl_msg_api_version_check().
- */
- mp->api_versions[0] = clib_host_to_net_u32 (vpe_api_version);
+ vl_msg_api_free (msg);
}
static void
pneum_api_handler (void *msg)
{
u16 id = ntohs(*((u16 *)msg));
-
if (id == VL_API_RX_THREAD_EXIT) {
pneum_main_t *pm = &pneum_main;
vl_msg_api_free(msg);
@@ -91,8 +83,9 @@ pneum_api_handler (void *msg)
clib_warning("Message ID %d has wrong length: %d\n", id, l);
/* Call Python callback */
- (void)wrap_pneum_callback(msg, l);
- vl_msg_api_free(msg);
+ ASSERT(pneum_callback);
+ (pneum_callback)(msg, l);
+ pneum_free(msg);
}
static void *
@@ -115,8 +108,22 @@ pneum_rx_thread_fn (void *arg)
pthread_exit(0);
}
+uword *
+pneum_msg_table_get_hash (void)
+{
+ api_main_t *am = &api_main;
+ return (am->msg_index_by_name_and_crc);
+}
+
int
-pneum_connect (char * name, char * chroot_prefix)
+pneum_msg_table_size(void)
+{
+ api_main_t *am = &api_main;
+ return hash_elts(am->msg_index_by_name_and_crc);
+}
+
+int
+pneum_connect (char * name, char * chroot_prefix, pneum_callback_t cb)
{
int rv = 0;
pneum_main_t *pm = &pneum_main;
@@ -134,12 +141,15 @@ pneum_connect (char * name, char * chroot_prefix)
return (-1);
}
- /* Start the rx queue thread */
- rv = pthread_create(&pm->rx_thread_handle, NULL, pneum_rx_thread_fn, 0);
- if (rv) {
- clib_warning("pthread_create returned %d", rv);
- vl_client_api_unmap();
- return (-1);
+ if (cb) {
+ /* Start the rx queue thread */
+ rv = pthread_create(&pm->rx_thread_handle, NULL, pneum_rx_thread_fn, 0);
+ if (rv) {
+ clib_warning("pthread_create returned %d", rv);
+ vl_client_api_unmap();
+ return (-1);
+ }
+ pneum_callback = cb;
}
pm->connected_to_vlib = 1;
@@ -164,6 +174,7 @@ pneum_disconnect (void)
if (pm->connected_to_vlib) {
vl_client_disconnect();
vl_client_api_unmap();
+ pneum_callback = 0;
}
memset (pm, 0, sizeof (*pm));
@@ -175,8 +186,11 @@ pneum_read (char **p, int *l)
{
unix_shared_memory_queue_t *q;
api_main_t *am = &api_main;
+ pneum_main_t *pm = &pneum_main;
uword msg;
+ if (!pm->connected_to_vlib) return -1;
+
*l = 0;
if (am->our_pid == 0) return (-1);
@@ -219,7 +233,9 @@ pneum_write (char *p, int l)
api_main_t *am = &api_main;
vl_api_header_t *mp = vl_msg_api_alloc(l);
unix_shared_memory_queue_t *q;
+ pneum_main_t *pm = &pneum_main;
+ if (!pm->connected_to_vlib) return -1;
if (!mp) return (-1);
memcpy(mp, p, l);
mp->client_index = pneum_client_index();
@@ -228,7 +244,7 @@ pneum_write (char *p, int l)
if (rv != 0) {
printf("vpe_api_write fails: %d\n", rv);
/* Clear message */
- vl_msg_api_free(mp);
+ pneum_free(mp);
}
return (rv);
}
diff --git a/vpp-api/python/pneum/pneum.h b/vpp-api/python/pneum/pneum.h
index 75b10f8df45..00585eb72e5 100644
--- a/vpp-api/python/pneum/pneum.h
+++ b/vpp-api/python/pneum/pneum.h
@@ -15,9 +15,15 @@
#ifndef included_pneum_h
#define included_pneum_h
-int pneum_connect(char * name, char * chroot_prefix);
+#include <vppinfra/types.h>
+
+typedef void (*pneum_callback_t)(unsigned char * data, int len);
+int pneum_connect(char * name, char * chroot_prefix, pneum_callback_t cb);
int pneum_disconnect(void);
int pneum_read(char **data, int *l);
int pneum_write(char *data, int len);
+void pneum_free(void * msg);
+uword * pneum_msg_table_get_hash (void);
+int pneum_msg_table_size(void);
#endif
diff --git a/vpp-api/python/pneum/test_pneum.c b/vpp-api/python/pneum/test_pneum.c
index 20c29a7e754..49107197f88 100644
--- a/vpp-api/python/pneum/test_pneum.c
+++ b/vpp-api/python/pneum/test_pneum.c
@@ -76,7 +76,7 @@ int main (int argc, char ** argv)
vl_api_show_version_t message;
vl_api_show_version_t *mp;
int async = 1;
- int rv = pneum_connect("pneum_client", NULL);
+ int rv = pneum_connect("pneum_client", NULL, NULL);
if (rv != 0) {
printf("Connect failed: %d\n", rv);
diff --git a/vpp-api/python/vpp_papi/pneum_wrap.c b/vpp-api/python/vpp_papi/pneum_wrap.c
index 18c4f233869..5763707b517 100644
--- a/vpp-api/python/vpp_papi/pneum_wrap.c
+++ b/vpp-api/python/vpp_papi/pneum_wrap.c
@@ -15,11 +15,12 @@
#include <Python.h>
#include "../pneum/pneum.h"
+#include <vppinfra/hash.h>
static PyObject *pneum_callback = NULL;
-int
-wrap_pneum_callback (char *data, int len)
+static void
+wrap_pneum_callback (unsigned char * data, int len)
{
PyGILState_STATE gstate;
PyObject *result;//, *arglist;
@@ -38,7 +39,6 @@ wrap_pneum_callback (char *data, int len)
PyErr_Print();
PyGILState_Release(gstate);
- return (0);
}
static PyObject *
@@ -46,22 +46,28 @@ wrap_connect (PyObject *self, PyObject *args)
{
char * name, * chroot_prefix = NULL;
int rv;
- PyObject * temp;
+ PyObject * temp = NULL;
+ pneum_callback_t cb = NULL;
- if (!PyArg_ParseTuple(args, "sO|s:wrap_connect", &name, &temp, &chroot_prefix))
+ if (!PyArg_ParseTuple(args, "s|Os:wrap_connect",
+ &name, &temp, &chroot_prefix))
return (NULL);
- if (!PyCallable_Check(temp)) {
- PyErr_SetString(PyExc_TypeError, "parameter must be callable");
- return NULL;
- }
-
- Py_XINCREF(temp); /* Add a reference to new callback */
- Py_XDECREF(pneum_callback); /* Dispose of previous callback */
- pneum_callback = temp; /* Remember new callback */
-
+ if (temp)
+ {
+ if (!PyCallable_Check(temp))
+ {
+ PyErr_SetString(PyExc_TypeError, "parameter must be callable");
+ return NULL;
+ }
+
+ Py_XINCREF(temp); /* Add a reference to new callback */
+ Py_XDECREF(pneum_callback); /* Dispose of previous callback */
+ pneum_callback = temp; /* Remember new callback */
+ cb = wrap_pneum_callback;
+ }
Py_BEGIN_ALLOW_THREADS
- rv = pneum_connect(name, chroot_prefix);
+ rv = pneum_connect(name, chroot_prefix, cb);
Py_END_ALLOW_THREADS
return PyLong_FromLong(rv);
}
@@ -90,8 +96,6 @@ wrap_write (PyObject *self, PyObject *args)
return PyLong_FromLong(rv);
}
-void vl_msg_api_free(void *);
-
static PyObject *
wrap_read (PyObject *self, PyObject *args)
{
@@ -110,15 +114,44 @@ wrap_read (PyObject *self, PyObject *args)
#endif
if (!ret) { Py_RETURN_NONE; }
- vl_msg_api_free(data);
+ pneum_free(data);
return ret;
}
+static PyObject *
+wrap_msg_table (PyObject *self, PyObject *args)
+{
+ int i = 0, rv = 0;
+ hash_pair_t *hp;
+ uword *h = pneum_msg_table_get_hash();
+ PyObject *ret = PyList_New(pneum_msg_table_size());
+ if (!ret) goto error;
+ hash_foreach_pair (hp, h,
+ ({
+ PyObject *item = PyTuple_New(2);
+ if (!item) goto error;
+ rv = PyTuple_SetItem(item, 0, PyLong_FromLong((u32)hp->value[0]));
+ if (rv) goto error;
+ rv = PyTuple_SetItem(item, 1, PyString_FromString((char *)hp->key));
+ if (rv) goto error;
+ PyList_SetItem(ret, i, item);
+ i++;
+ }));
+
+ return ret;
+
+ error:
+ /* TODO: Raise exception */
+ printf("msg_table failed");
+ Py_RETURN_NONE;
+}
+
static PyMethodDef vpp_api_Methods[] = {
{"connect", wrap_connect, METH_VARARGS, "Connect to the VPP API."},
{"disconnect", wrap_disconnect, METH_VARARGS, "Disconnect from the VPP API."},
{"write", wrap_write, METH_VARARGS, "Write data to the VPP API."},
{"read", wrap_read, METH_VARARGS, "Read data from the VPP API."},
+ {"msg_table", wrap_msg_table, METH_VARARGS, "Get API dictionary."},
{NULL, NULL, 0, NULL} /* Sentinel */
};
diff --git a/vpp/vpp-api/api.c b/vpp/vpp-api/api.c
index da2d3bb1a6e..ad5d43be079 100644
--- a/vpp/vpp-api/api.c
+++ b/vpp/vpp-api/api.c
@@ -9245,6 +9245,8 @@ static void vl_api_##nn##_t_handler ( \
vl_msg_api_free (mp); \
}
+static void setup_message_id_table (api_main_t * am);
+
/*
* vpe_api_hookup
* Add vpe's API message handlers to the table.
@@ -9252,7 +9254,6 @@ static void vl_api_##nn##_t_handler ( \
* added the client registration handlers.
* See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
*/
-
static clib_error_t *
vpe_api_hookup (vlib_main_t * vm)
{
@@ -9306,6 +9307,11 @@ vpe_api_hookup (vlib_main_t * vm)
am->is_mp_safe[VL_API_IP_ADD_DEL_ROUTE] = 1;
am->is_mp_safe[VL_API_GET_NODE_GRAPH] = 1;
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (am);
+
return 0;
}
@@ -9459,24 +9465,6 @@ get_unformat_vnet_sw_interface (void)
return (void *) &unformat_vnet_sw_interface;
}
-#undef vl_api_version
-#define vl_api_version(n,v) static u32 vpe_api_version = v;
-#include <vpp-api/vpe.api.h>
-#undef vl_api_version
-
-int
-vl_msg_api_version_check (vl_api_memclnt_create_t * mp)
-{
- if (clib_host_to_net_u32 (mp->api_versions[0]) != vpe_api_version)
- {
- clib_warning ("vpe API mismatch: 0x%08x instead of 0x%08x",
- clib_host_to_net_u32 (mp->api_versions[0]),
- vpe_api_version);
- return -1;
- }
- return 0;
-}
-
static u8 *
format_arp_event (u8 * s, va_list * args)
{
@@ -9540,6 +9528,20 @@ VLIB_CLI_COMMAND (show_ip_arp_nd_events, static) = {
};
/* *INDENT-ON* */
+#define vl_msg_name_crc_list
+#include <vpp-api/vpe_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (api_main_t * am)
+{
+#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+ foreach_vl_msg_name_crc_memclnt;
+ foreach_vl_msg_name_crc_vpe;
+#undef _
+}
+
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/vppapigen/lex.c b/vppapigen/lex.c
index b011044dd01..e807d46b9a0 100644
--- a/vppapigen/lex.c
+++ b/vppapigen/lex.c
@@ -28,7 +28,7 @@
#include "node.h"
#include "gram.h"
-FILE *ifp, *ofp, *pythonfp;
+FILE *ifp, *ofp, *pythonfp, *jsonfp;
char *vlib_app_name = "vpp";
int dump_tree;
time_t starttime;
@@ -36,6 +36,7 @@ char *input_filename;
char *current_filename;
int current_filename_allocated;
unsigned long input_crc;
+unsigned long message_crc;
int yydebug;
/*
@@ -258,6 +259,7 @@ int main (int argc, char **argv)
int curarg = 1;
char *ofile=0;
char *pythonfile=0;
+ char *jsonfile=0;
char *show_name=0;
while (curarg < argc) {
@@ -349,6 +351,27 @@ int main (int argc, char **argv)
}
continue;
}
+ if (!strncmp (argv [curarg], "--json", 6)) {
+ curarg++;
+ if (curarg < argc) {
+ if (!strcmp(argv[curarg], "-")) {
+ jsonfp = stdout;
+ } else {
+ jsonfp = fopen(argv[curarg], "w");
+ jsonfile = argv[curarg];
+ }
+ if (jsonfp == NULL) {
+ fprintf (stderr, "Couldn't open JSON output file %s\n",
+ argv[curarg]);
+ exit (1);
+ }
+ curarg++;
+ } else {
+ fprintf(stderr, "Missing filename after --json\n");
+ exit(1);
+ }
+ continue;
+ }
if (!strncmp (argv [curarg], "--app", 4)) {
curarg++;
if (curarg < argc) {
@@ -370,6 +393,9 @@ int main (int argc, char **argv)
if (pythonfp == NULL) {
pythonfile = 0;
}
+ if (jsonfp == NULL) {
+ jsonfile = 0;
+ }
if (ifp == NULL) {
fprintf(stderr, "No input file specified...\n");
exit(1);
@@ -391,6 +417,10 @@ int main (int argc, char **argv)
printf ("Python bindings written to %s\n", pythonfile);
fclose (pythonfp);
}
+ if (jsonfile) {
+ printf ("JSON bindings written to %s\n", jsonfile);
+ fclose (jsonfp);
+ }
}
else {
fclose (ifp);
@@ -404,6 +434,10 @@ int main (int argc, char **argv)
printf ("Removing %s\n", pythonfile);
unlink (pythonfile);
}
+ if (jsonfile) {
+ printf ("Removing %s\n", jsonfile);
+ unlink (jsonfile);
+ }
exit (1);
}
exit (0);
@@ -415,7 +449,8 @@ int main (int argc, char **argv)
static void usage (char *progname)
{
fprintf (stderr,
- "usage: %s --input <filename> [--output <filename>] [--python <filename>]\n%s",
+ "usage: %s --input <filename> [--output <filename>] "
+ "[--json <filename>] [--python <filename>]\n%s",
progname,
" [--yydebug] [--dump-tree]\n");
exit (1);
@@ -818,18 +853,18 @@ int yylex (void)
*/
unsigned long crc = input_crc;
int node_type = yylex_1 ();
+ unsigned long crc2 = message_crc;
+ int use_helper_string = 0;
+ unsigned short code;
switch (node_type) {
case PRIMTYPE:
case NAME:
case NUMBER:
case STRING:
- case HELPER_STRING: {
- /* We know these types accumulated token text into namebuf */
- /* HELPER_STRING may still contain C comments. Argh. */
- crc = crc_eliding_c_comments (namebuf, crc);
+ case HELPER_STRING:
+ use_helper_string = 1;
break;
- }
/* Other node types have no "substate" */
/* This code is written in this curious fashion because we
@@ -837,30 +872,25 @@ int yylex (void)
* values a particular version of lex/bison assigned to various states.
*/
- /* case NAME: crc = CRC16 (crc, 257); break; */
- case RPAR: crc = CRC16 (crc, 258); break;
- case LPAR: crc = CRC16 (crc, 259); break;
- case SEMI: crc = CRC16 (crc, 260); break;
- case LBRACK: crc = CRC16 (crc, 261); break;
- case RBRACK: crc = CRC16 (crc, 262); break;
- /* case NUMBER: crc = CRC16 (crc, 263); break; */
- /* case PRIMTYPE: crc = CRC16 (crc, 264); break; */
- case BARF: crc = CRC16 (crc, 265); break;
- case TPACKED: crc = CRC16 (crc, 266); break;
- case DEFINE: crc = CRC16 (crc, 267); break;
- case LCURLY: crc = CRC16 (crc, 268); break;
- case RCURLY: crc = CRC16 (crc, 269); break;
- /* case STRING: crc = CRC16 (crc, 270); break; */
- case UNION: crc = CRC16 (crc, 271); break;
- /* case HELPER_STRING: crc = CRC16 (crc, 272); break; */
- case COMMA: crc = CRC16 (crc, 273); break;
- case NOVERSION: crc = CRC16 (crc, 274); break;
- case MANUAL_PRINT: crc = CRC16 (crc, 275); break;
- case MANUAL_ENDIAN: crc = CRC16 (crc, 276); break;
- case TYPEONLY: crc = CRC16 (crc, 278); break;
- case DONT_TRACE: crc = CRC16 (crc, 279); break;
+ case RPAR: code = 258; break;
+ case LPAR: code = 259; break;
+ case SEMI: code = 260; break;
+ case LBRACK: code = 261; break;
+ case RBRACK: code = 262; break;
+ case BARF: code = 265; break;
+ case TPACKED: code = 266; break;
+ case DEFINE: code = 267; break;
+ case LCURLY: code = 268; break;
+ case RCURLY: code = 269; break;
+ case UNION: code = 271; break;
+ case COMMA: code = 273; break;
+ case NOVERSION: code = 274; break;
+ case MANUAL_PRINT: code = 275; break;
+ case MANUAL_ENDIAN: code = 276; break;
+ case TYPEONLY: code = 278; break;
+ case DONT_TRACE: code = 279; break;
- case EOF: crc = CRC16 (crc, ~0); break; /* hysterical compatibility */
+ case EOF: code = ~0; break; /* hysterical compatibility */
default:
fprintf(stderr, "yylex: node_type %d missing state CRC cookie\n",
@@ -868,11 +898,23 @@ int yylex (void)
exit(1);
}
+ if (use_helper_string)
+ {
+ /* We know these types accumulated token text into namebuf */
+ /* HELPER_STRING may still contain C comments. Argh. */
+ crc = crc_eliding_c_comments (namebuf, crc);
+ crc2 = crc_eliding_c_comments (namebuf, crc2);
+ } else
+ {
+ crc = CRC16 (crc, code);
+ crc2 = CRC16 (crc2, code);
+ }
+
input_crc = crc;
+ message_crc = crc2;
return (node_type);
}
-
/*
* name_check -- see if the name we just ate
* matches a known keyword. If so, set yylval
@@ -943,6 +985,7 @@ static int name_check (const char *s, YYSTYPE *token_value)
return (TPACKED);
case NODE_DEFINE:
+ message_crc = 0;
*token_value = make_node(subclass_id);
return(DEFINE);
diff --git a/vppapigen/lex.h b/vppapigen/lex.h
index 5bf38fe8093..e9b0954c0b9 100644
--- a/vppapigen/lex.h
+++ b/vppapigen/lex.h
@@ -45,5 +45,6 @@ enum lex_state {
#define MAXNAME 64000
extern unsigned long input_crc;
+extern unsigned long message_crc;
#endif /* _LEX_H_ */
diff --git a/vppapigen/node.c b/vppapigen/node.c
index fa7146ae497..4460fd5f933 100644
--- a/vppapigen/node.c
+++ b/vppapigen/node.c
@@ -18,6 +18,7 @@
*/
#include <stdio.h>
+#include <stdbool.h>
#include <ctype.h>
#include <time.h>
#include <string.h>
@@ -33,6 +34,7 @@
FILE *ofp;
FILE *pythonfp;
+FILE *jsonfp;
time_t starttime;
char *vlib_app_name;
char *input_filename;
@@ -130,6 +132,12 @@ void primtype_recursive_generate(node_t *this, enum passid which, FILE *ofp,
fputs("', ", pythonfp);
break;
+ case JSON_PASS:
+ fputs("[\"", jsonfp);
+ fputs((char *)type_name, jsonfp);
+ fputs("\", ", jsonfp);
+ break;
+
default:
fprintf(stderr, "primtype_recursive_generate: unimp pass %d\n", which);
break;
@@ -377,6 +385,24 @@ void node_define_generate (node_t *this, enum passid which, FILE *fp)
fprintf(fp, "),\n\n");
break;
+ case JSON_PASS:
+ fprintf(fp, "[\"%s\",\n", CDATA0);
+ child = this->deeper;
+ indent += 4;
+ while (child) {
+ node_vft_t *vftp = the_vft[child->type];
+ indent_me(fp);
+ vftp->generate(child, which, fp);
+ child = child->peer;
+ fprintf(fp, ",\n");
+ }
+ indent_me(fp);
+ fprintf (fp, "{\"crc\" : \"0x%08x\"}\n", (u32)(u64)CDATA3);
+ indent -= 4;
+ indent_me(fp);
+ fprintf(fp, "]");
+ break;
+
default:
fprintf(stderr, "node_define_generate: unimp pass %d\n", which);
break;
@@ -537,6 +563,10 @@ void node_scalar_generate (node_t *this, enum passid which, FILE *fp)
fprintf(fp, "'%s'),\n", CDATA0);
break;
+ case JSON_PASS:
+ fprintf(fp, "\"%s\"]", CDATA0);
+ break;
+
default:
fprintf(stderr, "node_scalar_generate: unimp pass %d\n", which);
}
@@ -658,6 +688,14 @@ void node_vector_generate (node_t *this, enum passid which, FILE *fp)
}
break;
+ case JSON_PASS:
+ if (CDATA2 != 0) { /* variable length vector */
+ fprintf(fp, "\"%s\", %d, \"%s\"]", CDATA0, IDATA1, CDATA2);
+ } else {
+ fprintf(fp, "\"%s\", %d]", CDATA0, IDATA1);
+ }
+ break;
+
default:
fprintf(stderr, "node_vector_generate: unimp pass %d\n", which);
}
@@ -746,6 +784,15 @@ void node_complex_generate (node_t *this, enum passid which, FILE *fp)
}
break;
+ case JSON_PASS:
+ fprintf(fp, "[\"%s\", ", CDATA0);
+ deeper = this->deeper;
+ if (deeper) {
+ vftp = the_vft[deeper->type];
+ vftp->generate(deeper, which, fp);
+ }
+ break;
+
default:
fprintf(stderr, "node_complex_generate unimp pass %d...\n", which);
break;
@@ -879,6 +926,7 @@ YYSTYPE add_define (YYSTYPE a1, YYSTYPE a2)
np = make_node(NODE_DEFINE);
np->data[0] = a1;
+ np->data[3] = (void *) message_crc;
deeper((YYSTYPE)np, a2);
return ((YYSTYPE) np);
}
@@ -1065,15 +1113,11 @@ void generate_top_boilerplate(FILE *fp)
fprintf (fp, " * Input file: %s\n", input_filename);
fprintf (fp, " * Automatically generated: please edit the input file ");
fprintf (fp, "NOT this file!\n");
-
- /* Moron Acme trigger workaround */
- fprintf (fp, " * %syright (c) %s by Cisco Systems, Inc.\n", "Cop",
- &datestring[20]);
fprintf (fp, " */\n\n");
fprintf (fp, "#if defined(vl_msg_id)||defined(vl_union_id)||");
fprintf (fp, "defined(vl_printfun) \\\n ||defined(vl_endianfun)||");
fprintf (fp, " defined(vl_api_version)||defined(vl_typedefs) \\\n");
- fprintf (fp, " ||defined(vl_msg_name)\n");
+ fprintf (fp, " ||defined(vl_msg_name)||defined(vl_msg_name_crc_list)\n");
fprintf (fp, "/* ok, something was selected */\n");
fprintf (fp, "#else\n");
fprintf (fp, "#warning no content included from %s\n", input_filename);
@@ -1141,6 +1185,37 @@ void generate_msg_names(YYSTYPE a1, FILE *fp)
fprintf (fp, "#endif\n\n");
}
+void generate_msg_name_crc_list (YYSTYPE a1, FILE *fp)
+{
+ node_t *np = (node_t *)a1;
+ char *unique_suffix, *cp;
+
+ unique_suffix = sxerox(fixed_name);
+
+ cp = unique_suffix;
+ while (*cp && (*cp != '.'))
+ cp++;
+ if (*cp == '.')
+ *cp = 0;
+
+ fprintf (fp, "\n/****** Message name, crc list ******/\n\n");
+
+ fprintf (fp, "#ifdef vl_msg_name_crc_list\n");
+ fprintf (fp, "#define foreach_vl_msg_name_crc_%s ", unique_suffix);
+
+ while (np) {
+ if (np->type == NODE_DEFINE) {
+ if (!(np->flags & NODE_FLAG_TYPEONLY)) {
+ fprintf (fp, "\\\n_(VL_API_%s, %s, %08x) ",
+ uppercase (np->data[0]), (i8 *) np->data[0],
+ (u32)(u64)np->data[3]);
+ }
+ }
+ np = np->peer;
+ }
+ fprintf (fp, "\n#endif\n\n");
+}
+
void generate_typedefs(YYSTYPE a1, FILE *fp)
{
node_t *np = (node_t *)a1;
@@ -1341,6 +1416,47 @@ void generate_python_msg_definitions(YYSTYPE a1, FILE *fp)
fprintf (fp, "\n]\n");
}
+static bool
+is_typeonly_check(node_t *np, bool typeonly)
+{
+ bool is_typeonly = (np->flags & NODE_FLAG_TYPEONLY);
+ return (is_typeonly == typeonly);
+}
+
+static void
+generate_json_definitions(YYSTYPE a1, FILE *fp, bool typeonly)
+{
+ node_t *np = (node_t *)a1;
+ node_vft_t *vftp;
+ indent_me(fp);
+ if (typeonly)
+ fprintf (fp, "\"types\" : [\n");
+ else
+ fprintf (fp, "\"messages\" : [\n");
+
+ /* Walk the top-level node-list */
+ bool comma = false;
+ indent += 4;
+ while (np) {
+ if (np->type == NODE_DEFINE && is_typeonly_check(np, typeonly)) {
+ /* Yeah, this is pedantic */
+ vftp = the_vft[np->type];
+ indent_me(fp);
+ vftp->generate(np, JSON_PASS, fp);
+ comma = true;
+ }
+ np = np->peer;
+ if (comma && np &&
+ np->type == NODE_DEFINE && is_typeonly_check(np, typeonly))
+ fprintf (fp, ",\n");
+
+ }
+ indent -= 4;
+ fprintf (fp, "\n");
+ indent_me(fp);
+ fprintf(fp, "]");
+}
+
void generate_python_typeonly_definitions(YYSTYPE a1, FILE *fp)
{
node_t *np = (node_t *)a1;
@@ -1368,6 +1484,22 @@ void generate_python(YYSTYPE a1, FILE *fp)
fprintf (fp, "vl_api_version = 0x%08x\n\n", (unsigned int)input_crc);
}
+void generate_json(YYSTYPE a1, FILE *fp)
+{
+ fprintf (fp, "{\n");
+ indent += 4;
+ generate_json_definitions(a1, fp, true);
+ fprintf (fp, ",\n");
+ generate_json_definitions(a1, fp, false);
+
+ /*
+ * API CRC signature
+ */
+ fprintf (fp, ",\n\"vl_api_version\" :\"0x%08x\"\n",
+ (unsigned int)input_crc);
+ fprintf (fp, "}\n");
+}
+
void generate(YYSTYPE a1)
{
if (dump_tree) {
@@ -1381,6 +1513,7 @@ void generate(YYSTYPE a1)
generate_msg_ids(a1, ofp);
generate_msg_names(a1, ofp);
+ generate_msg_name_crc_list(a1, ofp);
generate_typedefs(a1, ofp);
generate_uniondefs(a1, ofp);
generate_printfun(a1, ofp);
@@ -1391,4 +1524,7 @@ void generate(YYSTYPE a1)
if (pythonfp) {
generate_python(a1, pythonfp);
}
+ if (jsonfp) {
+ generate_json(a1, jsonfp);
+ }
}
diff --git a/vppapigen/node.h b/vppapigen/node.h
index f80985e1009..297d603615b 100644
--- a/vppapigen/node.h
+++ b/vppapigen/node.h
@@ -61,6 +61,7 @@ enum passid {
ENDIANFUN_PASS,
PRINTFUN_PASS,
PYTHON_PASS,
+ JSON_PASS,
};
extern void *make_node (enum node_subclass type);
@@ -70,13 +71,14 @@ typedef struct node_ {
struct node_ *peer;
struct node_ *deeper;
int flags;
- void *data[3];
+ void *data[4];
} node_t;
/* To shut up gcc-4.2.x warnings */
#define CDATA0 ((char *)(this->data[0]))
#define IDATA1 ((int)(uword)(this->data[1]))
#define CDATA2 ((char *)(this->data[2]))
+#define CDATA3 ((char *)(this->data[3]))
#define NODE_FLAG_MANUAL_PRINT (1<<0)
#define NODE_FLAG_MANUAL_ENDIAN (1<<1)