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-rw-r--r--hicn-plugin/src/test/vpp.c555
1 files changed, 555 insertions, 0 deletions
diff --git a/hicn-plugin/src/test/vpp.c b/hicn-plugin/src/test/vpp.c
new file mode 100644
index 000000000..fc96e6e16
--- /dev/null
+++ b/hicn-plugin/src/test/vpp.c
@@ -0,0 +1,555 @@
+/*
+ * Copyright (c) 2022 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.
+ */
+
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <sched.h>
+
+#include <vppinfra/cpu.h>
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vlib/threads.h>
+#include <vnet/plugin/plugin.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vpp/vnet/config.h>
+#include <vlibmemory/memclnt.api_enum.h> /* To get the last static message id */
+#include <limits.h>
+
+/*
+ * Load plugins from /usr/lib/vpp_plugins by default
+ */
+char *vlib_plugin_path = NULL;
+char *vat_plugin_path = NULL;
+
+static void
+vpp_find_plugin_path ()
+{
+ extern char *vat_plugin_path;
+ char *p, path[PATH_MAX];
+ int rv;
+ u8 *s;
+
+ /* find executable path */
+ if ((rv = readlink ("/proc/self/exe", path, PATH_MAX - 1)) == -1)
+ return;
+
+ /* readlink doesn't provide null termination */
+ path[rv] = 0;
+
+ /* strip filename */
+ if ((p = strrchr (path, '/')) == 0)
+ return;
+ *p = 0;
+
+ /* strip bin/ */
+ if ((p = strrchr (path, '/')) == 0)
+ return;
+ *p = 0;
+
+ s = format (0, "%s/" CLIB_LIB_DIR "/vpp_plugins", path, path);
+ vec_add1 (s, 0);
+ vlib_plugin_path = (char *) s;
+
+ s = format (0, "%s/" CLIB_LIB_DIR "/vpp_api_test_plugins", path, path);
+ vec_add1 (s, 0);
+ vat_plugin_path = (char *) s;
+}
+
+static void
+vpe_main_init (vlib_main_t *vm)
+{
+#if VPP_API_TEST_BUILTIN > 0
+ void vat_plugin_hash_create (void);
+#endif
+
+ if (CLIB_DEBUG > 0)
+ vlib_unix_cli_set_prompt ("DBGvpp# ");
+ else
+ vlib_unix_cli_set_prompt ("vpp# ");
+
+ /* Turn off network stack components which we don't want */
+ vlib_mark_init_function_complete (vm, srp_init);
+
+ /*
+ * Create the binary api plugin hashes before loading plugins
+ */
+#if VPP_API_TEST_BUILTIN > 0
+ vat_plugin_hash_create ();
+#endif
+
+ if (!vlib_plugin_path)
+ vpp_find_plugin_path ();
+}
+
+/*
+ * Default path for runtime data
+ */
+char *vlib_default_runtime_dir = "vpp";
+
+int
+vpp_init_internal (int argc, char *argv[])
+{
+ int i;
+ void vl_msg_api_set_first_available_msg_id (u16);
+ uword main_heap_size = (1ULL << 30);
+ u8 *sizep;
+ u32 size;
+ clib_mem_page_sz_t main_heap_log2_page_sz = CLIB_MEM_PAGE_SZ_DEFAULT;
+ clib_mem_page_sz_t default_log2_hugepage_sz = CLIB_MEM_PAGE_SZ_UNKNOWN;
+ unformat_input_t input, sub_input;
+ u8 *s = 0, *v = 0;
+ int main_core = 1;
+ cpu_set_t cpuset;
+ void *main_heap;
+
+#if __x86_64__
+ CLIB_UNUSED (const char *msg) =
+ "ERROR: This binary requires CPU with %s extensions.\n";
+#define _(a, b) \
+ if (!clib_cpu_supports_##a ()) \
+ { \
+ fprintf (stderr, msg, b); \
+ exit (1); \
+ }
+
+#if __AVX2__
+ _ (avx2, "AVX2")
+#endif
+#if __AVX__
+ _ (avx, "AVX")
+#endif
+#if __SSE4_2__
+ _ (sse42, "SSE4.2")
+#endif
+#if __SSE4_1__
+ _ (sse41, "SSE4.1")
+#endif
+#if __SSSE3__
+ _ (ssse3, "SSSE3")
+#endif
+#if __SSE3__
+ _ (sse3, "SSE3")
+#endif
+#undef _
+#endif
+ /*
+ * Load startup config from file.
+ * usage: vpp -c /etc/vpp/startup.conf
+ */
+ if ((argc == 3) && !strncmp (argv[1], "-c", 2))
+ {
+ FILE *fp;
+ char inbuf[4096];
+ int argc_ = 1;
+ char **argv_ = NULL;
+ char *arg = NULL;
+ char *p;
+
+ fp = fopen (argv[2], "r");
+ if (fp == NULL)
+ {
+ fprintf (stderr, "open configuration file '%s' failed\n", argv[2]);
+ return 1;
+ }
+ argv_ = calloc (1, sizeof (char *));
+ if (argv_ == NULL)
+ {
+ fclose (fp);
+ return 1;
+ }
+ arg = strndup (argv[0], 1024);
+ if (arg == NULL)
+ {
+ fclose (fp);
+ free (argv_);
+ return 1;
+ }
+ argv_[0] = arg;
+
+ while (1)
+ {
+ if (fgets (inbuf, 4096, fp) == 0)
+ break;
+ p = strtok (inbuf, " \t\n");
+ while (p != NULL)
+ {
+ if (*p == '#')
+ break;
+ argc_++;
+ char **tmp = realloc (argv_, argc_ * sizeof (char *));
+ if (tmp == NULL)
+ return 1;
+ argv_ = tmp;
+ arg = strndup (p, 1024);
+ if (arg == NULL)
+ return 1;
+ argv_[argc_ - 1] = arg;
+ p = strtok (NULL, " \t\n");
+ }
+ }
+
+ fclose (fp);
+
+ char **tmp = realloc (argv_, (argc_ + 1) * sizeof (char *));
+ if (tmp == NULL)
+ return 1;
+ argv_ = tmp;
+ argv_[argc_] = NULL;
+
+ argc = argc_;
+ argv = argv_;
+ }
+
+ /*
+ * Look for and parse the "heapsize" config parameter.
+ * Manual since none of the clib infra has been bootstrapped yet.
+ *
+ * Format: heapsize <nn>[mM][gG]
+ */
+
+ for (i = 1; i < (argc - 1); i++)
+ {
+ if (!strncmp (argv[i], "plugin_path", 11))
+ {
+ if (i < (argc - 1))
+ vlib_plugin_path = argv[++i];
+ }
+ if (!strncmp (argv[i], "test_plugin_path", 16))
+ {
+ if (i < (argc - 1))
+ vat_plugin_path = argv[++i];
+ }
+ else if (!strncmp (argv[i], "heapsize", 8))
+ {
+ sizep = (u8 *) argv[i + 1];
+ size = 0;
+ while (*sizep >= '0' && *sizep <= '9')
+ {
+ size *= 10;
+ size += *sizep++ - '0';
+ }
+ if (size == 0)
+ {
+ fprintf (
+ stderr,
+ "warning: heapsize parse error '%s', use default %lld\n",
+ argv[i], (long long int) main_heap_size);
+ goto defaulted;
+ }
+
+ main_heap_size = size;
+
+ if (*sizep == 'g' || *sizep == 'G')
+ main_heap_size <<= 30;
+ else if (*sizep == 'm' || *sizep == 'M')
+ main_heap_size <<= 20;
+ }
+ else if (!strncmp (argv[i], "main-core", 9))
+ {
+ if (i < (argc - 1))
+ {
+ errno = 0;
+ unsigned long x = strtol (argv[++i], 0, 0);
+ if (errno == 0)
+ main_core = x;
+ }
+ }
+ }
+defaulted:
+
+ /* temporary heap */
+ clib_mem_init (0, 1 << 20);
+ unformat_init_command_line (&input, (char **) argv);
+
+ while (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&input, "memory %v", &v))
+ {
+ unformat_init_vector (&sub_input, v);
+ v = 0;
+ while (unformat_check_input (&sub_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&sub_input, "main-heap-size %U",
+ unformat_memory_size, &main_heap_size))
+ ;
+ else if (unformat (&sub_input, "main-heap-page-size %U",
+ unformat_log2_page_size,
+ &main_heap_log2_page_sz))
+ ;
+ else if (unformat (&sub_input, "default-hugepage-size %U",
+ unformat_log2_page_size,
+ &default_log2_hugepage_sz))
+ ;
+ else
+ {
+ fformat (stderr, "unknown 'memory' config input '%U'\n",
+ format_unformat_error, &sub_input);
+ exit (1);
+ }
+ }
+ unformat_free (&sub_input);
+ }
+ else if (!unformat (&input, "%s %v", &s, &v))
+ break;
+
+ vec_reset_length (s);
+ vec_reset_length (v);
+ }
+ vec_free (s);
+ vec_free (v);
+
+ unformat_free (&input);
+
+ /* set process affinity for main thread */
+ CPU_ZERO (&cpuset);
+ CPU_SET (main_core, &cpuset);
+ pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
+
+ /* Set up the plugin message ID allocator right now... */
+ vl_msg_api_set_first_available_msg_id (VL_MSG_MEMCLNT_LAST + 1);
+
+ /* destroy temporary heap and create main one */
+ clib_mem_destroy ();
+
+ if ((main_heap = clib_mem_init_with_page_size (main_heap_size,
+ main_heap_log2_page_sz)))
+ {
+ /* Figure out which numa runs the main thread */
+ __os_numa_index = clib_get_current_numa_node ();
+
+ if (default_log2_hugepage_sz != CLIB_MEM_PAGE_SZ_UNKNOWN)
+ clib_mem_set_log2_default_hugepage_size (default_log2_hugepage_sz);
+
+ /* and use the main heap as that numa's numa heap */
+ clib_mem_set_per_numa_heap (main_heap);
+ vlib_main_init ();
+ vpe_main_init (vlib_get_first_main ());
+ return 0;
+ }
+ else
+ {
+ {
+ int rv __attribute__ ((unused)) =
+ write (2, "Main heap allocation failure!\r\n", 31);
+ }
+ return 1;
+ }
+}
+
+static clib_error_t *
+memory_config (vlib_main_t *vm, unformat_input_t *input)
+{
+ return 0;
+}
+
+VLIB_CONFIG_FUNCTION (memory_config, "memory");
+
+static clib_error_t *
+heapsize_config (vlib_main_t *vm, unformat_input_t *input)
+{
+ return 0;
+}
+
+VLIB_CONFIG_FUNCTION (heapsize_config, "heapsize");
+
+static clib_error_t *
+placeholder_path_config (vlib_main_t *vm, unformat_input_t *input)
+{
+ u8 *junk;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "%s", &junk))
+ {
+ vec_free (junk);
+ return 0;
+ }
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ }
+ return 0;
+}
+
+static clib_error_t *
+plugin_path_config (vlib_main_t *vm, unformat_input_t *input)
+{
+ return placeholder_path_config (vm, input);
+}
+
+VLIB_CONFIG_FUNCTION (plugin_path_config, "plugin_path");
+
+static clib_error_t *
+test_plugin_path_config (vlib_main_t *vm, unformat_input_t *input)
+{
+ return placeholder_path_config (vm, input);
+}
+
+VLIB_CONFIG_FUNCTION (test_plugin_path_config, "test_plugin_path");
+
+void vl_msg_api_post_mortem_dump (void);
+void vlib_post_mortem_dump (void);
+
+void
+os_panic (void)
+{
+ vl_msg_api_post_mortem_dump ();
+ vlib_post_mortem_dump ();
+ abort ();
+}
+
+void vhost_user_unmap_all (void) __attribute__ ((weak));
+void
+vhost_user_unmap_all (void)
+{
+}
+
+void
+os_exit (int code)
+{
+ static int recursion_block;
+
+ if (code)
+ {
+ if (recursion_block)
+ abort ();
+
+ recursion_block = 1;
+
+ vl_msg_api_post_mortem_dump ();
+ vlib_post_mortem_dump ();
+ vhost_user_unmap_all ();
+ abort ();
+ }
+ exit (code);
+}
+
+#ifdef BARRIER_TRACING
+void
+vl_msg_api_barrier_trace_context (const char *context)
+{
+ vlib_worker_threads[0].barrier_context = context;
+}
+#endif
+
+void
+vl_msg_api_barrier_sync (void)
+{
+ vlib_worker_thread_barrier_sync (vlib_get_main ());
+}
+
+void
+vl_msg_api_barrier_release (void)
+{
+ vlib_worker_thread_barrier_release (vlib_get_main ());
+}
+
+/* This application needs 1 thread stack for the stats pthread */
+u32
+vlib_app_num_thread_stacks_needed (void)
+{
+ return 1;
+}
+
+/*
+ * Depending on the configuration selected above,
+ * it may be necessary to generate stub graph nodes.
+ * It is never OK to ignore "node 'x' refers to unknown node 'y'
+ * messages!
+ */
+
+#include <vppinfra/bihash_8_8.h>
+
+static clib_error_t *
+show_bihash_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ int i;
+ clib_bihash_8_8_t *h;
+ int verbose = 0;
+
+ if (unformat (input, "verbose"))
+ verbose = 1;
+
+ for (i = 0; i < vec_len (clib_all_bihashes); i++)
+ {
+ h = (clib_bihash_8_8_t *) clib_all_bihashes[i];
+ vlib_cli_output (vm, "\n%U", h->fmt_fn, h, verbose);
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_bihash_command, static) = {
+ .path = "show bihash",
+ .short_help = "show bihash",
+ .function = show_bihash_command_fn,
+};
+/* *INDENT-ON* */
+
+#ifdef CLIB_SANITIZE_ADDR
+/* default options for Address Sanitizer */
+const char *
+__asan_default_options (void)
+{
+ return VPP_SANITIZE_ADDR_OPTIONS;
+}
+#endif /* CLIB_SANITIZE_ADDR */
+
+/***********************************
+ * Missing Symbol in vpp libraries
+ ***********************************/
+
+typedef struct stat_segment_directory_entry_s stat_segment_directory_entry_t;
+typedef void (*stat_segment_update_fn) (stat_segment_directory_entry_t *e,
+ u32 i);
+clib_error_t *
+stat_segment_register_gauge (u8 *name, stat_segment_update_fn update_fn,
+ u32 caller_index)
+{
+ return NULL;
+}
+
+u8 *
+format_vl_api_address_union (u8 *s, va_list *args)
+{
+ return NULL;
+}
+
+int
+vpp_init ()
+{
+#define N_ARGS 3
+#define BUFFER_LEN 1024
+ // Get executable path
+ char buffer[BUFFER_LEN];
+ int ret = readlink ("/proc/self/exe", buffer, BUFFER_LEN);
+
+ ASSERT (ret < BUFFER_LEN);
+
+ buffer[ret] = '\0';
+
+ char *argv[N_ARGS] = { buffer, "unix { nodaemon }", NULL };
+ return vpp_init_internal (N_ARGS - 1, argv);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */