diff options
Diffstat (limited to 'src/vat2')
| -rw-r--r-- | src/vat2/main.c | 154 | ||||
| -rw-r--r-- | src/vat2/plugin.c | 5 | ||||
| -rw-r--r-- | src/vat2/vat2.h | 10 |
3 files changed, 101 insertions, 68 deletions
diff --git a/src/vat2/main.c b/src/vat2/main.c index 1aea690ef24..bf415854db1 100644 --- a/src/vat2/main.c +++ b/src/vat2/main.c @@ -30,6 +30,8 @@ #include <limits.h> #include "vat2.h" +bool vat2_debug; + /* * Filter these messages as they are used to manage the API connection to VPP */ @@ -60,9 +62,8 @@ filter_message (char *msgname) uword *function_by_name; bool debug = false; -char *vat2_plugin_path; -static void -vat2_find_plugin_path () +static u8 * +vat2_find_plugin_path (void) { char *p, path[PATH_MAX]; int rv; @@ -70,44 +71,56 @@ vat2_find_plugin_path () /* find executable path */ if ((rv = readlink ("/proc/self/exe", path, PATH_MAX - 1)) == -1) - return; + return 0; /* readlink doesn't provide null termination */ path[rv] = 0; /* strip filename */ if ((p = strrchr (path, '/')) == 0) - return; + return 0; *p = 0; /* strip bin/ */ if ((p = strrchr (path, '/')) == 0) - return; + return 0; *p = 0; s = format (0, "%s/" CLIB_LIB_DIR "/vat2_plugins", path, path); vec_add1 (s, 0); - vat2_plugin_path = (char *) s; + return s; } void vac_callback (unsigned char *data, int len) { - u16 result_msg_id = ntohs(*((u16 *)data)); - DBG("Received something async: %d\n", result_msg_id); + u16 result_msg_id = ntohs (*((u16 *) data)); + DBG ("Received something async: %d\n", result_msg_id); } -int vat2_load_plugins (char *path, char *filter, int *loaded); +int vat2_load_plugins (u8 *path, char *filter, int *loaded); static int -register_function (void) +register_function (char *pluginpath) { int loaded; + u8 *vat2_plugin_path = 0; + + if (pluginpath == 0) + { + vat2_plugin_path = vat2_find_plugin_path (); + } + else + { + vat2_plugin_path = format (0, "%s", pluginpath); + vec_add1 (vat2_plugin_path, 0); + } + DBG ("Plugin Path %s\n", vat2_plugin_path); + int rv = vat2_load_plugins (vat2_plugin_path, 0, &loaded); + DBG ("Loaded %u plugins\n", loaded); + + vec_free (vat2_plugin_path); - vat2_find_plugin_path(); - DBG("Plugin Path %s\n", vat2_plugin_path); - int rv = vat2_load_plugins(vat2_plugin_path, 0, &loaded); - DBG("Loaded %u plugins\n", loaded); return rv; } @@ -248,29 +261,31 @@ print_help (void) " message\n" "--dump-apis List all APIs available in VAT2 (might " "not reflect running VPP)\n" + "--plugin-path Pluing path" "\n"; printf ("%s", help_string); } -int main (int argc, char **argv) +int +main (int argc, char **argv) { /* Create a heap of 64MB */ clib_mem_init (0, 64 << 20); - char *filename = 0, *prefix = 0, *template = 0; + char *filename = 0, *prefix = 0, *template = 0, *pluginpath = 0; int index; int c; opterr = 0; cJSON *o = 0; int option_index = 0; bool dump_api = false; - bool debug = false; char *msgname = 0; static struct option long_options[] = { { "debug", no_argument, 0, 'd' }, - { "prefix", required_argument, 0, 'p' }, + { "prefix", required_argument, 0, 's' }, { "file", required_argument, 0, 'f' }, { "dump-apis", no_argument, 0, 0 }, { "template", required_argument, 0, 't' }, + { "plugin-path", required_argument, 0, 'p' }, { 0, 0, 0, 0 } }; @@ -284,17 +299,20 @@ int main (int argc, char **argv) dump_api = true; break; case 'd': - debug = true; + vat2_debug = true; break; case 't': template = optarg; break; - case 'p': + case 's': prefix = optarg; break; case 'f': filename = optarg; break; + case 'p': + pluginpath = optarg; + break; case '?': print_help (); return 1; @@ -303,7 +321,7 @@ int main (int argc, char **argv) } } DBG ("debug = %d, filename = %s, template = %s, shared memory prefix: %s\n", - debug, filename, template, prefix); + vat2_debug, filename, template, prefix); for (index = optind; index < argc; index++) DBG ("Non-option argument %s\n", argv[index]); @@ -318,11 +336,12 @@ int main (int argc, char **argv) /* Load plugins */ function_by_name = hash_create_string (0, sizeof (uword)); - int res = register_function(); - if (res < 0) { - fprintf(stderr, "%s: loading plugins failed\n", argv[0]); - exit(-1); - } + int res = register_function (pluginpath); + if (res < 0) + { + fprintf (stderr, "%s: loading plugins failed\n", argv[0]); + exit (-1); + } if (template) { @@ -341,13 +360,16 @@ int main (int argc, char **argv) { msgname = argv[index]; } - if (argc == (index + 2)) { - o = cJSON_Parse(argv[index+1]); - if (!o) { - fprintf(stderr, "%s: Failed parsing JSON input: %s\n", argv[0], cJSON_GetErrorPtr()); - exit(-1); + if (argc == (index + 2)) + { + o = cJSON_Parse (argv[index + 1]); + if (!o) + { + fprintf (stderr, "%s: Failed parsing JSON input: %s\n", argv[0], + cJSON_GetErrorPtr ()); + exit (-1); + } } - } if (!msgname && !filename) { @@ -356,7 +378,8 @@ int main (int argc, char **argv) } /* Read message from file */ - if (filename) { + if (filename) + { if (argc > index) { fprintf (stderr, "%s: Superfluous arguments when filename given\n", @@ -364,37 +387,41 @@ int main (int argc, char **argv) exit (-1); } - FILE *f = fopen(filename, "r"); - size_t chunksize, bufsize; - size_t n_read = 0; - size_t n; + FILE *f = fopen (filename, "r"); + size_t chunksize, bufsize; + size_t n_read = 0; + size_t n; - if (!f) { - fprintf(stderr, "%s: can't open file: %s\n", argv[0], filename); - exit(-1); - } + if (!f) + { + fprintf (stderr, "%s: can't open file: %s\n", argv[0], filename); + exit (-1); + } - chunksize = bufsize = 1024; - char *buf = malloc(bufsize); - while ((n = fread (buf + n_read, 1, chunksize, f))) - { - n_read += n; - if (n == chunksize) - { - bufsize += chunksize; - buf = realloc (buf, bufsize); - } - } - fclose(f); - if (n_read) { - o = cJSON_Parse(buf); - if (!o) { - fprintf(stderr, "%s: Failed parsing JSON input: %s\n", argv[0], cJSON_GetErrorPtr()); - exit(-1); - } + chunksize = bufsize = 1024; + char *buf = malloc (bufsize); + while ((n = fread (buf + n_read, 1, chunksize, f))) + { + n_read += n; + if (n == chunksize) + { + bufsize += chunksize; + buf = realloc (buf, bufsize); + } + } + fclose (f); + if (n_read) + { + o = cJSON_Parse (buf); + if (!o) + { + fprintf (stderr, "%s: Failed parsing JSON input: %s\n", argv[0], + cJSON_GetErrorPtr ()); + exit (-1); + } + } + free (buf); } - free (buf); - } if (!o) { @@ -422,7 +449,6 @@ int main (int argc, char **argv) } } cJSON_Delete (o); - vac_disconnect(); + vac_disconnect (); exit (0); - } diff --git a/src/vat2/plugin.c b/src/vat2/plugin.c index 3ad870519da..aaaf6940ef3 100644 --- a/src/vat2/plugin.c +++ b/src/vat2/plugin.c @@ -76,8 +76,9 @@ load_one_plugin (plugin_info_t * pi) return 0; } +/* Takes a vector as argument */ static u8 ** -split_plugin_path (char *plugin_path) +split_plugin_path (u8 *plugin_path) { int i; u8 **rv = 0; @@ -104,7 +105,7 @@ split_plugin_path (char *plugin_path) } int -vat2_load_plugins (char *path, char *filter, int *loaded) +vat2_load_plugins (u8 *path, char *filter, int *loaded) { DIR *dp; struct dirent *entry; diff --git a/src/vat2/vat2.h b/src/vat2/vat2.h index d477b7279b3..acdb85368cc 100644 --- a/src/vat2/vat2.h +++ b/src/vat2/vat2.h @@ -3,9 +3,15 @@ #include <stdbool.h> -extern bool debug; +extern bool vat2_debug; -#define DBG(fmt, args...) do {if (debug) fprintf(stderr, fmt, ## args); } while(0) +#define DBG(fmt, args...) \ + do \ + { \ + if (vat2_debug) \ + fprintf (stderr, fmt, ##args); \ + } \ + while (0) #define ERR(fmt, args...) fprintf(stderr, "VAT2: %s:%d:%s(): " fmt, \ __FILE__, __LINE__, __func__, ##args) |