[ceph.git] / ceph / src / seastar / dpdk / examples / cmdline / commands.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2010-2014 Intel Corporation.
 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
 * All rights reserved.
 */

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <errno.h>
#include <netinet/in.h>
#include <termios.h>
#ifndef __linux__
	#ifdef __FreeBSD__
		#include <sys/socket.h>
	#else
		#include <net/socket.h>
	#endif
#endif

#include <cmdline_rdline.h>
#include <cmdline_parse.h>
#include <cmdline_parse_ipaddr.h>
#include <cmdline_parse_num.h>
#include <cmdline_parse_string.h>
#include <cmdline.h>

#include <rte_string_fns.h>

#include "parse_obj_list.h"

struct object_list global_obj_list;

/* not defined under linux */
#ifndef NIPQUAD
#define NIPQUAD_FMT "%u.%u.%u.%u"
#define NIPQUAD(addr)				\
	(unsigned)((unsigned char *)&addr)[0],	\
	(unsigned)((unsigned char *)&addr)[1],	\
	(unsigned)((unsigned char *)&addr)[2],	\
	(unsigned)((unsigned char *)&addr)[3]
#endif

#ifndef NIP6
#define NIP6_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x"
#define NIP6(addr)					\
	(unsigned)((addr).s6_addr[0]),			\
	(unsigned)((addr).s6_addr[1]),			\
	(unsigned)((addr).s6_addr[2]),			\
	(unsigned)((addr).s6_addr[3]),			\
	(unsigned)((addr).s6_addr[4]),			\
	(unsigned)((addr).s6_addr[5]),			\
	(unsigned)((addr).s6_addr[6]),			\
	(unsigned)((addr).s6_addr[7]),			\
	(unsigned)((addr).s6_addr[8]),			\
	(unsigned)((addr).s6_addr[9]),			\
	(unsigned)((addr).s6_addr[10]),			\
	(unsigned)((addr).s6_addr[11]),			\
	(unsigned)((addr).s6_addr[12]),			\
	(unsigned)((addr).s6_addr[13]),			\
	(unsigned)((addr).s6_addr[14]),			\
	(unsigned)((addr).s6_addr[15])
#endif


/**********************************************************/

struct cmd_obj_del_show_result {
	cmdline_fixed_string_t action;
	struct object *obj;
};

static void cmd_obj_del_show_parsed(void *parsed_result,
				    struct cmdline *cl,
				    __attribute__((unused)) void *data)
{
	struct cmd_obj_del_show_result *res = parsed_result;
	char ip_str[INET6_ADDRSTRLEN];

	if (res->obj->ip.family == AF_INET)
		snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT,
			 NIPQUAD(res->obj->ip.addr.ipv4));
	else
		snprintf(ip_str, sizeof(ip_str), NIP6_FMT,
			 NIP6(res->obj->ip.addr.ipv6));

	if (strcmp(res->action, "del") == 0) {
		SLIST_REMOVE(&global_obj_list, res->obj, object, next);
		cmdline_printf(cl, "Object %s removed, ip=%s\n",
			       res->obj->name, ip_str);
		free(res->obj);
	}
	else if (strcmp(res->action, "show") == 0) {
		cmdline_printf(cl, "Object %s, ip=%s\n",
			       res->obj->name, ip_str);
	}
}

cmdline_parse_token_string_t cmd_obj_action =
	TOKEN_STRING_INITIALIZER(struct cmd_obj_del_show_result,
				 action, "show#del");
parse_token_obj_list_t cmd_obj_obj =
	TOKEN_OBJ_LIST_INITIALIZER(struct cmd_obj_del_show_result, obj,
				   &global_obj_list);

cmdline_parse_inst_t cmd_obj_del_show = {
	.f = cmd_obj_del_show_parsed,  /* function to call */
	.data = NULL,      /* 2nd arg of func */
	.help_str = "Show/del an object",
	.tokens = {        /* token list, NULL terminated */
		(void *)&cmd_obj_action,
		(void *)&cmd_obj_obj,
		NULL,
	},
};

/**********************************************************/

struct cmd_obj_add_result {
	cmdline_fixed_string_t action;
	cmdline_fixed_string_t name;
	cmdline_ipaddr_t ip;
};

static void cmd_obj_add_parsed(void *parsed_result,
			       struct cmdline *cl,
			       __attribute__((unused)) void *data)
{
	struct cmd_obj_add_result *res = parsed_result;
	struct object *o;
	char ip_str[INET6_ADDRSTRLEN];

	SLIST_FOREACH(o, &global_obj_list, next) {
		if (!strcmp(res->name, o->name)) {
			cmdline_printf(cl, "Object %s already exist\n", res->name);
			return;
		}
		break;
	}

	o = malloc(sizeof(*o));
	if (!o) {
		cmdline_printf(cl, "mem error\n");
		return;
	}
	strlcpy(o->name, res->name, sizeof(o->name));
	o->ip = res->ip;
	SLIST_INSERT_HEAD(&global_obj_list, o, next);

	if (o->ip.family == AF_INET)
		snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT,
			 NIPQUAD(o->ip.addr.ipv4));
	else
		snprintf(ip_str, sizeof(ip_str), NIP6_FMT,
			 NIP6(o->ip.addr.ipv6));

	cmdline_printf(cl, "Object %s added, ip=%s\n",
		       o->name, ip_str);
}

cmdline_parse_token_string_t cmd_obj_action_add =
	TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, action, "add");
cmdline_parse_token_string_t cmd_obj_name =
	TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, name, NULL);
cmdline_parse_token_ipaddr_t cmd_obj_ip =
	TOKEN_IPADDR_INITIALIZER(struct cmd_obj_add_result, ip);

cmdline_parse_inst_t cmd_obj_add = {
	.f = cmd_obj_add_parsed,  /* function to call */
	.data = NULL,      /* 2nd arg of func */
	.help_str = "Add an object (name, val)",
	.tokens = {        /* token list, NULL terminated */
		(void *)&cmd_obj_action_add,
		(void *)&cmd_obj_name,
		(void *)&cmd_obj_ip,
		NULL,
	},
};

/**********************************************************/

struct cmd_help_result {
	cmdline_fixed_string_t help;
};

static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
			    struct cmdline *cl,
			    __attribute__((unused)) void *data)
{
	cmdline_printf(cl,
		       "Demo example of command line interface in RTE\n\n"
		       "This is a readline-like interface that can be used to\n"
		       "debug your RTE application. It supports some features\n"
		       "of GNU readline like completion, cut/paste, and some\n"
		       "other special bindings.\n\n"
		       "This demo shows how rte_cmdline library can be\n"
		       "extended to handle a list of objects. There are\n"
		       "3 commands:\n"
		       "- add obj_name IP\n"
		       "- del obj_name\n"
		       "- show obj_name\n\n");
}

cmdline_parse_token_string_t cmd_help_help =
	TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");

cmdline_parse_inst_t cmd_help = {
	.f = cmd_help_parsed,  /* function to call */
	.data = NULL,      /* 2nd arg of func */
	.help_str = "show help",
	.tokens = {        /* token list, NULL terminated */
		(void *)&cmd_help_help,
		NULL,
	},
};


/**********************************************************/
/**********************************************************/
/****** CONTEXT (list of instruction) */

cmdline_parse_ctx_t main_ctx[] = {
	(cmdline_parse_inst_t *)&cmd_obj_del_show,
	(cmdline_parse_inst_t *)&cmd_obj_add,
	(cmdline_parse_inst_t *)&cmd_help,
	NULL,
};
Commit	Line	Data
9f95a23c TL	1	/* SPDX-License-Identifier: BSD-3-Clause
9f95a23c TL	2	* Copyright(c) 2010-2014 Intel Corporation.
7c673cae FG	3	* Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
7c673cae FG	4	* All rights reserved.
7c673cae FG	5	*/
	6
	7	#include <stdio.h>
	8	#include <stdint.h>
	9	#include <string.h>
	10	#include <stdlib.h>
	11	#include <stdarg.h>
	12	#include <errno.h>
	13	#include <netinet/in.h>
	14	#include <termios.h>
	15	#ifndef __linux__
	16	#ifdef __FreeBSD__
	17	#include <sys/socket.h>
	18	#else
	19	#include <net/socket.h>
	20	#endif
	21	#endif
	22
	23	#include <cmdline_rdline.h>
	24	#include <cmdline_parse.h>
	25	#include <cmdline_parse_ipaddr.h>
	26	#include <cmdline_parse_num.h>
	27	#include <cmdline_parse_string.h>
	28	#include <cmdline.h>
	29
	30	#include <rte_string_fns.h>
	31
	32	#include "parse_obj_list.h"
	33
	34	struct object_list global_obj_list;
	35
	36	/* not defined under linux */
	37	#ifndef NIPQUAD
	38	#define NIPQUAD_FMT "%u.%u.%u.%u"
	39	#define NIPQUAD(addr) \
	40	(unsigned)((unsigned char *)&addr)[0], \
	41	(unsigned)((unsigned char *)&addr)[1], \
	42	(unsigned)((unsigned char *)&addr)[2], \
	43	(unsigned)((unsigned char *)&addr)[3]
	44	#endif
	45
	46	#ifndef NIP6
	47	#define NIP6_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x"
	48	#define NIP6(addr) \
	49	(unsigned)((addr).s6_addr[0]), \
	50	(unsigned)((addr).s6_addr[1]), \
	51	(unsigned)((addr).s6_addr[2]), \
	52	(unsigned)((addr).s6_addr[3]), \
	53	(unsigned)((addr).s6_addr[4]), \
	54	(unsigned)((addr).s6_addr[5]), \
	55	(unsigned)((addr).s6_addr[6]), \
	56	(unsigned)((addr).s6_addr[7]), \
	57	(unsigned)((addr).s6_addr[8]), \
	58	(unsigned)((addr).s6_addr[9]), \
	59	(unsigned)((addr).s6_addr[10]), \
	60	(unsigned)((addr).s6_addr[11]), \
	61	(unsigned)((addr).s6_addr[12]), \
	62	(unsigned)((addr).s6_addr[13]), \
	63	(unsigned)((addr).s6_addr[14]), \
	64	(unsigned)((addr).s6_addr[15])
	65	#endif
	66
	67
	68	/**********************************************************/
69
70	struct cmd_obj_del_show_result {
71	cmdline_fixed_string_t action;
72	struct object *obj;
73	};
74
75	static void cmd_obj_del_show_parsed(void *parsed_result,
76	struct cmdline *cl,
77	__attribute__((unused)) void *data)
78	{
79	struct cmd_obj_del_show_result *res = parsed_result;
80	char ip_str[INET6_ADDRSTRLEN];
81
82	if (res->obj->ip.family == AF_INET)
83	snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT,
84	NIPQUAD(res->obj->ip.addr.ipv4));
85	else
86	snprintf(ip_str, sizeof(ip_str), NIP6_FMT,
87	NIP6(res->obj->ip.addr.ipv6));
88
89	if (strcmp(res->action, "del") == 0) {
90	SLIST_REMOVE(&global_obj_list, res->obj, object, next);
91	cmdline_printf(cl, "Object %s removed, ip=%s\n",
92	res->obj->name, ip_str);
93	free(res->obj);
94	}
95	else if (strcmp(res->action, "show") == 0) {
96	cmdline_printf(cl, "Object %s, ip=%s\n",
97	res->obj->name, ip_str);
98	}
99	}
100
101	cmdline_parse_token_string_t cmd_obj_action =
102	TOKEN_STRING_INITIALIZER(struct cmd_obj_del_show_result,
103	action, "show#del");
104	parse_token_obj_list_t cmd_obj_obj =
105	TOKEN_OBJ_LIST_INITIALIZER(struct cmd_obj_del_show_result, obj,
106	&global_obj_list);
107
108	cmdline_parse_inst_t cmd_obj_del_show = {
109	.f = cmd_obj_del_show_parsed, /* function to call */
110	.data = NULL, /* 2nd arg of func */
111	.help_str = "Show/del an object",
112	.tokens = { /* token list, NULL terminated */
113	(void *)&cmd_obj_action,
114	(void *)&cmd_obj_obj,
115	NULL,
116	},
117	};
118
119	/**********************************************************/
120
121	struct cmd_obj_add_result {
122	cmdline_fixed_string_t action;
123	cmdline_fixed_string_t name;
124	cmdline_ipaddr_t ip;
125	};
126
127	static void cmd_obj_add_parsed(void *parsed_result,
128	struct cmdline *cl,
129	__attribute__((unused)) void *data)
130	{
131	struct cmd_obj_add_result *res = parsed_result;
132	struct object *o;
133	char ip_str[INET6_ADDRSTRLEN];
134
135	SLIST_FOREACH(o, &global_obj_list, next) {
136	if (!strcmp(res->name, o->name)) {
137	cmdline_printf(cl, "Object %s already exist\n", res->name);
138	return;
139	}
140	break;
141	}
142
143	o = malloc(sizeof(*o));
144	if (!o) {
145	cmdline_printf(cl, "mem error\n");
146	return;
147	}
9f95a23c	148	strlcpy(o->name, res->name, sizeof(o->name));
7c673cae FG	149	o->ip = res->ip;
	150	SLIST_INSERT_HEAD(&global_obj_list, o, next);
	151
	152	if (o->ip.family == AF_INET)
	153	snprintf(ip_str, sizeof(ip_str), NIPQUAD_FMT,
	154	NIPQUAD(o->ip.addr.ipv4));
	155	else
	156	snprintf(ip_str, sizeof(ip_str), NIP6_FMT,
	157	NIP6(o->ip.addr.ipv6));
	158
	159	cmdline_printf(cl, "Object %s added, ip=%s\n",
	160	o->name, ip_str);
	161	}
	162
	163	cmdline_parse_token_string_t cmd_obj_action_add =
	164	TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, action, "add");
	165	cmdline_parse_token_string_t cmd_obj_name =
	166	TOKEN_STRING_INITIALIZER(struct cmd_obj_add_result, name, NULL);
	167	cmdline_parse_token_ipaddr_t cmd_obj_ip =
	168	TOKEN_IPADDR_INITIALIZER(struct cmd_obj_add_result, ip);
	169
	170	cmdline_parse_inst_t cmd_obj_add = {
	171	.f = cmd_obj_add_parsed, /* function to call */
	172	.data = NULL, /* 2nd arg of func */
	173	.help_str = "Add an object (name, val)",
	174	.tokens = { /* token list, NULL terminated */
	175	(void *)&cmd_obj_action_add,
	176	(void *)&cmd_obj_name,
	177	(void *)&cmd_obj_ip,
	178	NULL,
	179	},
	180	};
	181
	182	/**********************************************************/
	183
	184	struct cmd_help_result {
	185	cmdline_fixed_string_t help;
	186	};
	187
	188	static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
	189	struct cmdline *cl,
	190	__attribute__((unused)) void *data)
	191	{
	192	cmdline_printf(cl,
	193	"Demo example of command line interface in RTE\n\n"
	194	"This is a readline-like interface that can be used to\n"
	195	"debug your RTE application. It supports some features\n"
	196	"of GNU readline like completion, cut/paste, and some\n"
	197	"other special bindings.\n\n"
	198	"This demo shows how rte_cmdline library can be\n"
	199	"extended to handle a list of objects. There are\n"
	200	"3 commands:\n"
	201	"- add obj_name IP\n"
	202	"- del obj_name\n"
	203	"- show obj_name\n\n");
	204	}
	205
	206	cmdline_parse_token_string_t cmd_help_help =
	207	TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
	208
	209	cmdline_parse_inst_t cmd_help = {
	210	.f = cmd_help_parsed, /* function to call */
	211	.data = NULL, /* 2nd arg of func */
	212	.help_str = "show help",
213	.tokens = { /* token list, NULL terminated */
214	(void *)&cmd_help_help,
215	NULL,
216	},
217	};
218
219
220	/**********************************************************/
221	/**********************************************************/
222	/****** CONTEXT (list of instruction) */
223
224	cmdline_parse_ctx_t main_ctx[] = {
225	(cmdline_parse_inst_t *)&cmd_obj_del_show,
226	(cmdline_parse_inst_t *)&cmd_obj_add,
227	(cmdline_parse_inst_t *)&cmd_help,
228	NULL,
229	};