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/*
* rdma.c RDMA tool
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Authors: Leon Romanovsky <leonro@mellanox.com>
*/
#include "rdma.h"
#include "SNAPSHOT.h"
static void help(char *name)
{
pr_out("Usage: %s [ OPTIONS ] OBJECT { COMMAND | help }\n"
"where OBJECT := { dev | link | help }\n"
" OPTIONS := { -V[ersion] | -d[etails] | -j[son] | -p[retty]}\n", name);
}
static int cmd_help(struct rd *rd)
{
help(rd->filename);
return 0;
}
static int rd_cmd(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, cmd_help },
{ "help", cmd_help },
{ "dev", cmd_dev },
{ "link", cmd_link },
{ 0 }
};
return rd_exec_cmd(rd, cmds, "object");
}
static int rd_init(struct rd *rd, int argc, char **argv, char *filename)
{
uint32_t seq;
int ret;
rd->filename = filename;
rd->argc = argc;
rd->argv = argv;
INIT_LIST_HEAD(&rd->dev_map_list);
if (rd->json_output) {
rd->jw = jsonw_new(stdout);
if (!rd->jw) {
pr_err("Failed to create JSON writer\n");
return -ENOMEM;
}
jsonw_pretty(rd->jw, rd->pretty_output);
}
rd->buff = malloc(MNL_SOCKET_BUFFER_SIZE);
if (!rd->buff)
return -ENOMEM;
rd_prepare_msg(rd, RDMA_NLDEV_CMD_GET,
&seq, (NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP));
ret = rd_send_msg(rd);
if (ret)
return ret;
return rd_recv_msg(rd, rd_dev_init_cb, rd, seq);
}
static void rd_free(struct rd *rd)
{
if (rd->json_output)
jsonw_destroy(&rd->jw);
free(rd->buff);
rd_free_devmap(rd);
}
int main(int argc, char **argv)
{
static const struct option long_options[] = {
{ "version", no_argument, NULL, 'V' },
{ "help", no_argument, NULL, 'h' },
{ "json", no_argument, NULL, 'j' },
{ "pretty", no_argument, NULL, 'p' },
{ "details", no_argument, NULL, 'd' },
{ NULL, 0, NULL, 0 }
};
bool pretty_output = false;
bool show_details = false;
bool json_output = false;
char *filename;
struct rd rd;
int opt;
int err;
filename = basename(argv[0]);
while ((opt = getopt_long(argc, argv, "Vhdpj",
long_options, NULL)) >= 0) {
switch (opt) {
case 'V':
printf("%s utility, iproute2-ss%s\n",
filename, SNAPSHOT);
return EXIT_SUCCESS;
case 'p':
pretty_output = true;
break;
case 'd':
show_details = true;
break;
case 'j':
json_output = true;
break;
case 'h':
help(filename);
return EXIT_SUCCESS;
default:
pr_err("Unknown option.\n");
help(filename);
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
rd.show_details = show_details;
rd.json_output = json_output;
rd.pretty_output = pretty_output;
err = rd_init(&rd, argc, argv, filename);
if (err)
goto out;
err = rd_cmd(&rd);
out:
/* Always cleanup */
rd_free(&rd);
return err ? EXIT_FAILURE : EXIT_SUCCESS;
}
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