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/*
* Copyright (c) 2015 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 <dlfcn.h>
#include <vppinfra/format.h>
void vlib_cli_output (void * vm, char * fmt, ...)
{ clib_warning ("%s", fmt); }
/*
* build system finesse hack
* since we can't build everything in one build system, this
* hack exists to make sure that the invoked program runs against
* the right libraries.
*/
int main (int argc, char ** argv)
{
void *handle, *main_handle;
int (*fp)(int argc, char **argv);
int rv;
/* n1k_harness <plugin-name> <plugin args> */
if (argc < 2) {
fformat (stderr, "usage: %s <plugin-name> [<plugin-args>...]\n",
argv[0]);
exit (1);
}
handle = dlopen (argv[1], RTLD_LAZY);
/*
* Note: this can happen if the plugin has an undefined symbol reference,
* so print a warning. Otherwise, the poor slob won't know what happened.
* Ask me how I know that...
*/
if (handle == 0)
{
clib_warning ("%s", dlerror());
exit(1);
}
main_handle = dlsym (handle, "plugin_main");
if (main_handle == 0) {
clib_warning ("plugin_main(int argc, char **argv) missing...\n");
exit(1);
}
fp = main_handle;
rv = (*fp)(argc-2, argv+2);
return rv;
}
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