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From: Bruce Richardson <bruce.richardson@intel.com>
To: dev@dpdk.org
Cc: david.marchand@redhat.com, rjarry@redhat.com,
	Bruce Richardson <bruce.richardson@intel.com>,
	Maxime Coquelin <maxime.coquelin@redhat.com>,
	Chenbo Xia <chenbo.xia@intel.com>
Subject: [PATCH v4 7/7] examples/vdpa: auto-generate cmdline boilerplate
Date: Mon, 16 Oct 2023 15:06:12 +0100	[thread overview]
Message-ID: <20231016140612.664853-8-bruce.richardson@intel.com> (raw)
In-Reply-To: <20231016140612.664853-1-bruce.richardson@intel.com>

Use the dpdk-cmdline-gen script to autogenerate all the boilerplate
structs and defines for the commandline part of the app.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 examples/vdpa/Makefile      |  12 ++--
 examples/vdpa/commands.list |   5 ++
 examples/vdpa/main.c        | 131 ++----------------------------------
 examples/vdpa/meson.build   |   7 ++
 4 files changed, 27 insertions(+), 128 deletions(-)
 create mode 100644 examples/vdpa/commands.list

diff --git a/examples/vdpa/Makefile b/examples/vdpa/Makefile
index d974db4f40..aa60a000cf 100644
--- a/examples/vdpa/Makefile
+++ b/examples/vdpa/Makefile
@@ -6,6 +6,7 @@ APP = vdpa
 
 # all source are stored in SRCS-y
 SRCS-y := main.c
+SRC-DEPS := build/commands.h
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
 PKGCONF ?= pkg-config
@@ -23,10 +24,13 @@ static: build/$(APP)-static
 	ln -sf $(APP)-static build/$(APP)
 
 PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
-CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
+CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk) -I build/
 LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
 LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
 
+build/commands.h: commands.list Makefile
+	dpdk-cmdline-gen.py -o $@ --context-name=main_ctx $<
+
 ifeq ($(MAKECMDGOALS),static)
 # check for broken pkg-config
 ifeq ($(shell echo $(LDFLAGS_STATIC) | grep 'whole-archive.*l:lib.*no-whole-archive'),)
@@ -35,10 +39,10 @@ $(error "Cannot generate statically-linked binaries with this version of pkg-con
 endif
 endif
 
-build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
+build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build $(SRC-DEPS)
 	$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
 
-build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
+build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build $(SRC-DEPS)
 	$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
 
 build:
@@ -46,5 +50,5 @@ build:
 
 .PHONY: clean
 clean:
-	rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
+	rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared build/*.h
 	test -d build && rmdir -p build || true
diff --git a/examples/vdpa/commands.list b/examples/vdpa/commands.list
new file mode 100644
index 0000000000..0d83b7c0e9
--- /dev/null
+++ b/examples/vdpa/commands.list
@@ -0,0 +1,5 @@
+help                                    # show help
+list                                    # list all available vdpa devices
+create <STRING>socket_path <STRING>bdf  # create a new vdpa port
+stats <STRING>bdf <UINT32>qid           # show device statistics
+quit                                    # exit application
diff --git a/examples/vdpa/main.c b/examples/vdpa/main.c
index 4d3203f3a7..289db26498 100644
--- a/examples/vdpa/main.c
+++ b/examples/vdpa/main.c
@@ -16,11 +16,8 @@
 #include <rte_pci.h>
 #include <rte_string_fns.h>
 
-#include <cmdline_parse.h>
 #include <cmdline_socket.h>
-#include <cmdline_parse_string.h>
-#include <cmdline_parse_num.h>
-#include <cmdline.h>
+#include "commands.h"  /* auto-generated file from commands.list */
 #include "vdpa_blk_compact.h"
 
 #define MAX_PATH_LEN 128
@@ -301,14 +298,9 @@ signal_handler(int signum)
 	}
 }
 
-/* interactive cmds */
+/* interactive cmd functions */
 
-/* *** Help command with introduction. *** */
-struct cmd_help_result {
-	cmdline_fixed_string_t help;
-};
-
-static void cmd_help_parsed(__rte_unused void *parsed_result,
+void cmd_help_parsed(__rte_unused void *parsed_result,
 		struct cmdline *cl,
 		__rte_unused void *data)
 {
@@ -325,25 +317,7 @@ static void cmd_help_parsed(__rte_unused void *parsed_result,
 	);
 }
 
-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,
-	.data = NULL,
-	.help_str = "show help",
-	.tokens = {
-		(void *)&cmd_help_help,
-		NULL,
-	},
-};
-
-/* *** List all available vdpa devices *** */
-struct cmd_list_result {
-	cmdline_fixed_string_t action;
-};
-
-static void cmd_list_vdpa_devices_parsed(
+void cmd_list_parsed(
 		__rte_unused void *parsed_result,
 		struct cmdline *cl,
 		__rte_unused void *data)
@@ -376,27 +350,7 @@ static void cmd_list_vdpa_devices_parsed(
 	}
 }
 
-cmdline_parse_token_string_t cmd_action_list =
-	TOKEN_STRING_INITIALIZER(struct cmd_list_result, action, "list");
-
-cmdline_parse_inst_t cmd_list_vdpa_devices = {
-	.f = cmd_list_vdpa_devices_parsed,
-	.data = NULL,
-	.help_str = "list all available vdpa devices",
-	.tokens = {
-		(void *)&cmd_action_list,
-		NULL,
-	},
-};
-
-/* *** Create new vdpa port *** */
-struct cmd_create_result {
-	cmdline_fixed_string_t action;
-	cmdline_fixed_string_t socket_path;
-	cmdline_fixed_string_t bdf;
-};
-
-static void cmd_create_vdpa_port_parsed(void *parsed_result,
+void cmd_create_parsed(void *parsed_result,
 		struct cmdline *cl,
 		__rte_unused void *data)
 {
@@ -417,33 +371,7 @@ static void cmd_create_vdpa_port_parsed(void *parsed_result,
 		devcnt++;
 }
 
-cmdline_parse_token_string_t cmd_action_create =
-	TOKEN_STRING_INITIALIZER(struct cmd_create_result, action, "create");
-cmdline_parse_token_string_t cmd_socket_path =
-	TOKEN_STRING_INITIALIZER(struct cmd_create_result, socket_path, NULL);
-cmdline_parse_token_string_t cmd_bdf =
-	TOKEN_STRING_INITIALIZER(struct cmd_create_result, bdf, NULL);
-
-cmdline_parse_inst_t cmd_create_vdpa_port = {
-	.f = cmd_create_vdpa_port_parsed,
-	.data = NULL,
-	.help_str = "create a new vdpa port",
-	.tokens = {
-		(void *)&cmd_action_create,
-		(void *)&cmd_socket_path,
-		(void *)&cmd_bdf,
-		NULL,
-	},
-};
-
-/* *** STATS *** */
-struct cmd_stats_result {
-	cmdline_fixed_string_t stats;
-	cmdline_fixed_string_t bdf;
-	uint16_t qid;
-};
-
-static void cmd_device_stats_parsed(void *parsed_result, struct cmdline *cl,
+void cmd_stats_parsed(void *parsed_result, struct cmdline *cl,
 				    __rte_unused void *data)
 {
 	struct cmd_stats_result *res = parsed_result;
@@ -525,31 +453,7 @@ static void cmd_device_stats_parsed(void *parsed_result, struct cmdline *cl,
 	}
 }
 
-cmdline_parse_token_string_t cmd_device_stats_ =
-	TOKEN_STRING_INITIALIZER(struct cmd_stats_result, stats, "stats");
-cmdline_parse_token_string_t cmd_device_bdf =
-	TOKEN_STRING_INITIALIZER(struct cmd_stats_result, bdf, NULL);
-cmdline_parse_token_num_t cmd_queue_id =
-	TOKEN_NUM_INITIALIZER(struct cmd_stats_result, qid, RTE_UINT32);
-
-cmdline_parse_inst_t cmd_device_stats = {
-	.f = cmd_device_stats_parsed,
-	.data = NULL,
-	.help_str = "stats: show device statistics",
-	.tokens = {
-		(void *)&cmd_device_stats_,
-		(void *)&cmd_device_bdf,
-		(void *)&cmd_queue_id,
-		NULL,
-	},
-};
-
-/* *** QUIT *** */
-struct cmd_quit_result {
-	cmdline_fixed_string_t quit;
-};
-
-static void cmd_quit_parsed(__rte_unused void *parsed_result,
+void cmd_quit_parsed(__rte_unused void *parsed_result,
 		struct cmdline *cl,
 		__rte_unused void *data)
 {
@@ -557,27 +461,6 @@ static void cmd_quit_parsed(__rte_unused void *parsed_result,
 	cmdline_quit(cl);
 }
 
-cmdline_parse_token_string_t cmd_quit_quit =
-	TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
-
-cmdline_parse_inst_t cmd_quit = {
-	.f = cmd_quit_parsed,
-	.data = NULL,
-	.help_str = "quit: exit application",
-	.tokens = {
-		(void *)&cmd_quit_quit,
-		NULL,
-	},
-};
-cmdline_parse_ctx_t main_ctx[] = {
-	(cmdline_parse_inst_t *)&cmd_help,
-	(cmdline_parse_inst_t *)&cmd_list_vdpa_devices,
-	(cmdline_parse_inst_t *)&cmd_create_vdpa_port,
-	(cmdline_parse_inst_t *)&cmd_device_stats,
-	(cmdline_parse_inst_t *)&cmd_quit,
-	NULL,
-};
-
 int
 main(int argc, char *argv[])
 {
diff --git a/examples/vdpa/meson.build b/examples/vdpa/meson.build
index bd086050dc..a48028da4d 100644
--- a/examples/vdpa/meson.build
+++ b/examples/vdpa/meson.build
@@ -16,3 +16,10 @@ allow_experimental_apis = true
 sources = files(
         'main.c',
 )
+cmd_h = custom_target('commands_hdr',
+	output: 'commands.h',
+	input: files('commands.list'),
+	capture: true,
+	command: [cmdline_gen_cmd, '--context-name=main_ctx', '@INPUT@']
+)
+sources += cmd_h
-- 
2.39.2


  parent reply	other threads:[~2023-10-16 14:07 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-02 17:00 [RFC PATCH 0/1] make cmdline library easier to use Bruce Richardson
2023-08-02 17:00 ` [RFC PATCH 1/1] cmdline/dpdk-cmdline-gen: generate boilerplate for simple cmds Bruce Richardson
2023-08-02 18:05 ` [RFC PATCH 0/1] make cmdline library easier to use Stephen Hemminger
2023-08-03  8:11   ` Bruce Richardson
2023-09-18 13:03 ` [RFC PATCH v2 0/5] use script to simplify use of cmdline lib Bruce Richardson
2023-09-18 13:03   ` [RFC PATCH v2 1/5] buildtools/dpdk-cmdline-gen: generate boilerplate for simple cmds Bruce Richardson
2023-09-18 13:03   ` [RFC PATCH v2 2/5] examples/simple_mp: auto-generate cmdline boilerplate Bruce Richardson
2023-09-18 13:03   ` [RFC PATCH v2 3/5] examples/hotplug_mp: " Bruce Richardson
2023-09-18 13:03   ` [RFC PATCH v2 4/5] buildtools/dpdk-cmdline-gen: add IP address support Bruce Richardson
2023-09-18 13:03   ` [RFC PATCH v2 5/5] examples/bond: auto-generate cmdline boilerplate Bruce Richardson
2023-10-11 13:33 ` [PATCH v3 0/5] document and simplify use of cmdline Bruce Richardson
2023-10-11 13:33   ` [PATCH v3 1/5] doc/prog_guide: new chapter on cmdline library Bruce Richardson
2023-10-11 13:33   ` [PATCH v3 2/5] buildtools: script to generate cmdline boilerplate Bruce Richardson
2023-10-13 12:23     ` Robin Jarry
2023-10-13 12:43       ` Bruce Richardson
2023-10-11 13:33   ` [PATCH v3 3/5] examples/simple_mp: auto-generate " Bruce Richardson
2023-10-11 13:33   ` [PATCH v3 4/5] examples/hotplug_mp: " Bruce Richardson
2023-10-11 13:33   ` [PATCH v3 5/5] examples/bond: " Bruce Richardson
2023-10-12 13:21   ` [PATCH v3 0/5] document and simplify use of cmdline David Marchand
2023-10-12 13:47     ` Bruce Richardson
2023-10-12 13:51     ` Bruce Richardson
2023-10-16 14:06 ` [PATCH v4 0/7] " Bruce Richardson
2023-10-16 14:06   ` [PATCH v4 1/7] doc/prog_guide: new chapter on cmdline library Bruce Richardson
2023-10-16 14:06   ` [PATCH v4 2/7] buildtools: script to generate cmdline boilerplate Bruce Richardson
2023-10-16 14:06   ` [PATCH v4 3/7] ci: allow use of DPDK tools when building examples Bruce Richardson
2023-10-17 12:24     ` Aaron Conole
2023-10-17 12:28       ` Bruce Richardson
2023-10-16 14:06   ` [PATCH v4 4/7] examples/simple_mp: auto-generate cmdline boilerplate Bruce Richardson
2023-10-16 14:06   ` [PATCH v4 5/7] examples/hotplug_mp: " Bruce Richardson
2023-10-16 14:06   ` [PATCH v4 6/7] examples/bond: " Bruce Richardson
2023-10-16 14:06   ` Bruce Richardson [this message]
2023-10-17  7:10   ` [PATCH v4 0/7] document and simplify use of cmdline David Marchand
2023-10-17  8:29     ` Bruce Richardson
2023-10-17 12:16       ` Bruce Richardson
2023-10-17 16:23       ` David Marchand
2023-10-17 17:02         ` Bruce Richardson
2023-10-17 17:08         ` Bruce Richardson
2023-10-18 11:21           ` David Marchand
2023-10-18 11:37             ` Bruce Richardson
2023-10-17 12:13 ` [PATCH v5 0/9] " Bruce Richardson
2023-10-17 12:13   ` [PATCH v5 1/9] doc/prog_guide: new chapter on cmdline library Bruce Richardson
2023-10-17 12:13   ` [PATCH v5 2/9] buildtools: script to generate cmdline boilerplate Bruce Richardson
2023-10-25 13:04     ` Robin Jarry
2023-10-25 13:33       ` Bruce Richardson
2023-10-17 12:13   ` [PATCH v5 3/9] ci: allow use of DPDK tools when building examples Bruce Richardson
2023-10-17 14:08     ` Aaron Conole
2023-10-17 12:13   ` [PATCH v5 4/9] examples/simple_mp: auto-generate cmdline boilerplate Bruce Richardson
2023-10-17 12:13   ` [PATCH v5 5/9] examples/hotplug_mp: " Bruce Richardson
2023-10-17 12:13   ` [PATCH v5 6/9] examples/bond: " Bruce Richardson
2023-10-17 12:13   ` [PATCH v5 7/9] examples/vdpa: " Bruce Richardson
2023-10-17 12:13   ` [PATCH v5 8/9] buildtools/dpdk-cmdline-gen: support option strings Bruce Richardson
2023-10-17 12:13   ` [PATCH v5 9/9] examples/ntb: auto-generate cmdline boilerplate Bruce Richardson
2023-10-23 13:15 ` [PATCH v6 0/9] document and simplify use of cmdline Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 1/9] doc/prog_guide: new chapter on cmdline library Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 2/9] buildtools: script to generate cmdline boilerplate Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 3/9] ci: allow use of DPDK tools when building examples Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 4/9] examples/simple_mp: auto-generate cmdline boilerplate Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 5/9] examples/hotplug_mp: " Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 6/9] examples/bond: " Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 7/9] examples/vdpa: " Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 8/9] buildtools/dpdk-cmdline-gen: support option strings Bruce Richardson
2023-10-23 13:15   ` [PATCH v6 9/9] examples/ntb: auto-generate cmdline boilerplate Bruce Richardson
2023-10-27 11:01 ` [PATCH v7 0/9] document and simplify use of cmdline Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 1/9] doc/prog_guide: new chapter on cmdline library Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 2/9] buildtools: script to generate cmdline boilerplate Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 3/9] ci: allow use of DPDK tools when building examples Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 4/9] examples/simple_mp: auto-generate cmdline boilerplate Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 5/9] examples/hotplug_mp: " Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 6/9] examples/bond: " Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 7/9] examples/vdpa: " Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 8/9] buildtools/dpdk-cmdline-gen: support option strings Bruce Richardson
2023-10-27 11:01   ` [PATCH v7 9/9] examples/ntb: auto-generate cmdline boilerplate Bruce Richardson
2023-11-10 14:16   ` [PATCH v7 0/9] document and simplify use of cmdline David Marchand

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