This commit implements 'device' sub command to operate the target device.
This sub command consists of several operations and parser for the
operation will be implemented in future commits.
Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
---
efw-downloader/src/main.c | 4 ++
efw-downloader/src/meson.build | 2 +
efw-downloader/src/subcmd-device.c | 77 ++++++++++++++++++++++++++++++
efw-downloader/src/subcmds.h | 8 ++++
4 files changed, 91 insertions(+)
create mode 100644 efw-downloader/src/subcmd-device.c
create mode 100644 efw-downloader/src/subcmds.h
diff --git a/efw-downloader/src/main.c b/efw-downloader/src/main.c
index 499e67e..e150cc8 100644
--- a/efw-downloader/src/main.c
+++ b/efw-downloader/src/main.c
@@ -4,6 +4,8 @@
#include <stdlib.h>
#include <string.h>
+#include "subcmds.h"
+
static void print_help()
{
printf("Usage\n"
@@ -11,6 +13,7 @@ static void print_help()
"\n"
"where:\n"
" SUBCOMMAND:\n"
+ " device: operate for device for unit on IEEE 1394 bus\n"
" help: print help\n"
" OPTIONS: optional arguments dependent on the subcommand\n");
}
@@ -22,6 +25,7 @@ int main(int argc, char **argv)
size_t size;
int (*op)(int argc, char **argv);
} *entry, entries[] = {
+ { "device", sizeof("device"), subcmd_device },
};
const char *subcmd;
int i;
diff --git a/efw-downloader/src/meson.build b/efw-downloader/src/meson.build
index ca894d9..07a6182 100644
--- a/efw-downloader/src/meson.build
+++ b/efw-downloader/src/meson.build
@@ -14,10 +14,12 @@ hinawa = dependency('hinawa',
sources = [
'main.c',
'efw-proto.c',
+ 'subcmd-device.c',
]
headers = [
'efw-proto.h',
+ 'subcmds.h',
]
gnome = import('gnome')
diff --git a/efw-downloader/src/subcmd-device.c b/efw-downloader/src/subcmd-device.c
new file mode 100644
index 0000000..739944e
--- /dev/null
+++ b/efw-downloader/src/subcmd-device.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2020 Takashi Sakamoto
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "efw-proto.h"
+
+static int print_help()
+{
+ printf("Usage\n"
+ " efw-downloader device CDEV OPERATION ARGUMENTS\n"
+ "\n"
+ "where:\n"
+ " CDEV: The firewire character device corresponding to the node for transaction\n"
+ " OPERATION:\n"
+ " help: print this help message\n"
+ " ARGUMENTS:\n"
+ " depending on OPERATION\n"
+ "\n");
+ return EXIT_FAILURE;
+}
+
+static int parse_args(int argc, char **argv, const char **path, const char **op_name)
+{
+ if (argc < 2)
+ return -EINVAL;
+ assert(strncmp(argv[1], "device", sizeof("device")) == 0);
+
+ if (argc < 3)
+ return -EINVAL;
+ *path = argv[2];
+
+ if (argc < 4)
+ return -EINVAL;
+ *op_name = argv[3];
+
+ return 0;
+}
+
+int subcmd_device(int argc, char **argv)
+{
+ struct {
+ const char *name;
+ size_t size;
+ void (*op)(int argc, char **argv, EfwProto *proto, GError **error);
+ } *entry, entries[] = {
+ };
+ GError *error = NULL;
+ const char *path;
+ const char *op_name;
+ EfwProto *proto;
+ int err;
+ int i;
+
+ err = parse_args(argc, argv, &path, &op_name);
+ if (err < 0)
+ return print_help(0, NULL, NULL, NULL);
+
+ for (i = 0; i < G_N_ELEMENTS(entries); ++i) {
+ entry = entries + i;
+ if (strncmp(op_name, entry->name, entry->size) == 0)
+ break;
+ }
+ if (i == G_N_ELEMENTS(entries))
+ return print_help();
+
+ entry->op(argc, argv, proto, &error);
+
+ if (error != NULL) {
+ g_clear_error(&error);
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
diff --git a/efw-downloader/src/subcmds.h b/efw-downloader/src/subcmds.h
new file mode 100644
index 0000000..f10c420
--- /dev/null
+++ b/efw-downloader/src/subcmds.h
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2020 Takashi Sakamoto
+#ifndef __SUBCMDS_H__
+#define __SUBCMDS_H__
+
+int subcmd_device(int argc, char **argv);
+
+#endif
--
2.25.1
