diff options
-rw-r--r-- | vpp/vnet/main.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/vpp/vnet/main.c b/vpp/vnet/main.c index 09adfea3..da1ec9a4 100644 --- a/vpp/vnet/main.c +++ b/vpp/vnet/main.c @@ -143,6 +143,65 @@ int main (int argc, char * argv[]) u32 size; void vlib_set_get_handoff_structure_cb (void *cb); + /* + * Load startup config from file. + * usage: vpe -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) + return 1; + arg = strndup(argv[0], 1024); + if (arg == NULL) + 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. |