diff options
Diffstat (limited to 'src/seastar/dpdk/examples/cmdline')
| -rw-r--r-- | src/seastar/dpdk/examples/cmdline/Makefile | 62 | ||||
| -rw-r--r-- | src/seastar/dpdk/examples/cmdline/commands.c | 229 | ||||
| -rw-r--r-- | src/seastar/dpdk/examples/cmdline/commands.h | 10 | ||||
| -rw-r--r-- | src/seastar/dpdk/examples/cmdline/main.c | 41 | ||||
| -rw-r--r-- | src/seastar/dpdk/examples/cmdline/meson.build | 11 | ||||
| -rw-r--r-- | src/seastar/dpdk/examples/cmdline/parse_obj_list.c | 112 | ||||
| -rw-r--r-- | src/seastar/dpdk/examples/cmdline/parse_obj_list.h | 58 |
7 files changed, 523 insertions, 0 deletions
diff --git a/src/seastar/dpdk/examples/cmdline/Makefile b/src/seastar/dpdk/examples/cmdline/Makefile new file mode 100644 index 000000000..a03dfa8ee --- /dev/null +++ b/src/seastar/dpdk/examples/cmdline/Makefile @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2010-2014 Intel Corporation + +# binary name +APP = cmdline + +# all source are stored in SRCS-y +SRCS-y := main.c commands.c parse_obj_list.c + +# Build using pkg-config variables if possible +$(shell pkg-config --exists libdpdk) +ifeq ($(.SHELLSTATUS),0) + +all: shared +.PHONY: shared static +shared: build/$(APP)-shared + ln -sf $(APP)-shared build/$(APP) +static: build/$(APP)-static + ln -sf $(APP)-static build/$(APP) + +PC_FILE := $(shell pkg-config --path libdpdk) +CFLAGS += -O3 $(shell pkg-config --cflags libdpdk) +LDFLAGS_SHARED = $(shell pkg-config --libs libdpdk) +LDFLAGS_STATIC = -Wl,-Bstatic $(shell pkg-config --static --libs libdpdk) + +build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build + $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED) + +build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build + $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC) + +build: + @mkdir -p $@ + +.PHONY: clean +clean: + rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared + rmdir --ignore-fail-on-non-empty build + +else + +ifeq ($(RTE_SDK),) +$(error "Please define RTE_SDK environment variable") +endif + +# Default target, detect a build directory, by looking for a path with a .config +RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config))))) + +include $(RTE_SDK)/mk/rte.vars.mk + +# binary name +APP = cmdline + +# all source are stored in SRCS-y +SRCS-y := main.c commands.c parse_obj_list.c + +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) + +include $(RTE_SDK)/mk/rte.extapp.mk + +endif diff --git a/src/seastar/dpdk/examples/cmdline/commands.c b/src/seastar/dpdk/examples/cmdline/commands.c new file mode 100644 index 000000000..e96739f34 --- /dev/null +++ b/src/seastar/dpdk/examples/cmdline/commands.c @@ -0,0 +1,229 @@ +/* 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, +}; diff --git a/src/seastar/dpdk/examples/cmdline/commands.h b/src/seastar/dpdk/examples/cmdline/commands.h new file mode 100644 index 000000000..791204547 --- /dev/null +++ b/src/seastar/dpdk/examples/cmdline/commands.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation + */ + +#ifndef _COMMANDS_H_ +#define _COMMANDS_H_ + +extern cmdline_parse_ctx_t main_ctx[]; + +#endif /* _COMMANDS_H_ */ diff --git a/src/seastar/dpdk/examples/cmdline/main.c b/src/seastar/dpdk/examples/cmdline/main.c new file mode 100644 index 000000000..f2f2e5a2f --- /dev/null +++ b/src/seastar/dpdk/examples/cmdline/main.c @@ -0,0 +1,41 @@ +/* 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 <string.h> +#include <stdint.h> +#include <errno.h> +#include <termios.h> +#include <sys/queue.h> + +#include <cmdline_rdline.h> +#include <cmdline_parse.h> +#include <cmdline_socket.h> +#include <cmdline.h> + +#include <rte_memory.h> +#include <rte_eal.h> +#include <rte_debug.h> + +#include "commands.h" + +int main(int argc, char **argv) +{ + int ret; + struct cmdline *cl; + + ret = rte_eal_init(argc, argv); + if (ret < 0) + rte_panic("Cannot init EAL\n"); + + cl = cmdline_stdin_new(main_ctx, "example> "); + if (cl == NULL) + rte_panic("Cannot create cmdline instance\n"); + cmdline_interact(cl); + cmdline_stdin_exit(cl); + + return 0; +} diff --git a/src/seastar/dpdk/examples/cmdline/meson.build b/src/seastar/dpdk/examples/cmdline/meson.build new file mode 100644 index 000000000..a8608c21a --- /dev/null +++ b/src/seastar/dpdk/examples/cmdline/meson.build @@ -0,0 +1,11 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017 Intel Corporation + +# meson file, for building this example as part of a main DPDK build. +# +# To build this example as a standalone application with an already-installed +# DPDK instance, use 'make' + +sources = files( + 'commands.c', 'main.c', 'parse_obj_list.c' +) diff --git a/src/seastar/dpdk/examples/cmdline/parse_obj_list.c b/src/seastar/dpdk/examples/cmdline/parse_obj_list.c new file mode 100644 index 000000000..5d29f9d59 --- /dev/null +++ b/src/seastar/dpdk/examples/cmdline/parse_obj_list.c @@ -0,0 +1,112 @@ +/* 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 <inttypes.h> +#include <stdarg.h> +#include <errno.h> +#include <ctype.h> +#include <string.h> +#include <netinet/in.h> + +#include <cmdline_parse.h> +#include <cmdline_parse_ipaddr.h> + +#include <rte_string_fns.h> + +#include "parse_obj_list.h" + +/* This file is an example of extension of libcmdline. It provides an + * example of objects stored in a list. */ + +struct cmdline_token_ops token_obj_list_ops = { + .parse = parse_obj_list, + .complete_get_nb = complete_get_nb_obj_list, + .complete_get_elt = complete_get_elt_obj_list, + .get_help = get_help_obj_list, +}; + +int +parse_obj_list(cmdline_parse_token_hdr_t *tk, const char *buf, void *res, + unsigned ressize) +{ + struct token_obj_list *tk2 = (struct token_obj_list *)tk; + struct token_obj_list_data *tkd = &tk2->obj_list_data; + struct object *o; + unsigned int token_len = 0; + + if (*buf == 0) + return -1; + + if (res && ressize < sizeof(struct object *)) + return -1; + + while(!cmdline_isendoftoken(buf[token_len])) + token_len++; + + SLIST_FOREACH(o, tkd->list, next) { + if (token_len != strnlen(o->name, OBJ_NAME_LEN_MAX)) + continue; + if (strncmp(buf, o->name, token_len)) + continue; + break; + } + if (!o) /* not found */ + return -1; + + /* store the address of object in structure */ + if (res) + *(struct object **)res = o; + + return token_len; +} + +int complete_get_nb_obj_list(cmdline_parse_token_hdr_t *tk) +{ + struct token_obj_list *tk2 = (struct token_obj_list *)tk; + struct token_obj_list_data *tkd = &tk2->obj_list_data; + struct object *o; + int ret = 0; + + SLIST_FOREACH(o, tkd->list, next) { + ret ++; + } + return ret; +} + +int complete_get_elt_obj_list(cmdline_parse_token_hdr_t *tk, + int idx, char *dstbuf, unsigned int size) +{ + struct token_obj_list *tk2 = (struct token_obj_list *)tk; + struct token_obj_list_data *tkd = &tk2->obj_list_data; + struct object *o; + int i = 0; + unsigned len; + + SLIST_FOREACH(o, tkd->list, next) { + if (i++ == idx) + break; + } + if (!o) + return -1; + + len = strnlen(o->name, OBJ_NAME_LEN_MAX); + if ((len + 1) > size) + return -1; + + if (dstbuf) + strlcpy(dstbuf, o->name, size); + + return 0; +} + + +int get_help_obj_list(__attribute__((unused)) cmdline_parse_token_hdr_t *tk, + char *dstbuf, unsigned int size) +{ + snprintf(dstbuf, size, "Obj-List"); + return 0; +} diff --git a/src/seastar/dpdk/examples/cmdline/parse_obj_list.h b/src/seastar/dpdk/examples/cmdline/parse_obj_list.h new file mode 100644 index 000000000..6516d3e2c --- /dev/null +++ b/src/seastar/dpdk/examples/cmdline/parse_obj_list.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation. + * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org> + * All rights reserved. + */ + +#ifndef _PARSE_OBJ_LIST_H_ +#define _PARSE_OBJ_LIST_H_ + +/* This file is an example of extension of libcmdline. It provides an + * example of objects stored in a list. */ + +#include <sys/queue.h> +#include <cmdline_parse.h> + +#define OBJ_NAME_LEN_MAX 64 + +struct object { + SLIST_ENTRY(object) next; + char name[OBJ_NAME_LEN_MAX]; + cmdline_ipaddr_t ip; +}; + +/* define struct object_list */ +SLIST_HEAD(object_list, object); + +/* data is a pointer to a list */ +struct token_obj_list_data { + struct object_list *list; +}; + +struct token_obj_list { + struct cmdline_token_hdr hdr; + struct token_obj_list_data obj_list_data; +}; +typedef struct token_obj_list parse_token_obj_list_t; + +extern struct cmdline_token_ops token_obj_list_ops; + +int parse_obj_list(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res, + unsigned ressize); +int complete_get_nb_obj_list(cmdline_parse_token_hdr_t *tk); +int complete_get_elt_obj_list(cmdline_parse_token_hdr_t *tk, int idx, + char *dstbuf, unsigned int size); +int get_help_obj_list(cmdline_parse_token_hdr_t *tk, char *dstbuf, unsigned int size); + +#define TOKEN_OBJ_LIST_INITIALIZER(structure, field, obj_list_ptr) \ +{ \ + .hdr = { \ + .ops = &token_obj_list_ops, \ + .offset = offsetof(structure, field), \ + }, \ + .obj_list_data = { \ + .list = obj_list_ptr, \ + }, \ +} + +#endif /* _PARSE_OBJ_LIST_H_ */ |