3:53 a.m.
This refactoring is simply so the exact same options can be reused in
another program.
---
src/Makefile.am | 1 +
src/main.c | 70 +------------------------------
src/options.h | 109 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 111 insertions(+), 69 deletions(-)
diff --git a/src/Makefile.am b/src/Makefile.am
index c094ed4..3490c0f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -46,6 +46,7 @@ nbdkit_SOURCES = \
log-stderr.c \
log-syslog.c \
main.c \
+ options.h \
plugins.c \
protocol.h \
sockets.c \
diff --git a/src/main.c b/src/main.c
index 224955b..0c7dbce 100644
--- a/src/main.c
+++ b/src/main.c
@@ -55,11 +55,11 @@
#include <dlfcn.h>
#include "internal.h"
+#include "options.h"
#include "exit-with-parent.h"
#define FIRST_SOCKET_ACTIVATION_FD 3 /* defined by systemd ABI */
-static int is_short_name (const char *);
static char *make_random_fifo (void);
static struct backend *open_plugin_so (size_t i, const char *filename, int short_name);
static struct backend *open_filter_so (struct backend *next, size_t i, const char
*filename, int short_name);
@@ -114,67 +114,6 @@ struct backend *backend;
static char *random_fifo_dir = NULL;
static char *random_fifo = NULL;
-enum {
- HELP_OPTION = CHAR_MAX + 1,
- DUMP_CONFIG_OPTION,
- DUMP_PLUGIN_OPTION,
- EXIT_WITH_PARENT_OPTION,
- FILTER_OPTION,
- LOG_OPTION,
- LONG_OPTIONS_OPTION,
- RUN_OPTION,
- SELINUX_LABEL_OPTION,
- SHORT_OPTIONS_OPTION,
- TLS_OPTION,
- TLS_CERTIFICATES_OPTION,
- TLS_PSK_OPTION,
- TLS_VERIFY_PEER_OPTION,
-};
-
-static const char *short_options = "D:e:fg:i:nop:P:rst:u:U:vV";
-static const struct option long_options[] = {
- { "debug", required_argument, NULL, 'D' },
- { "dump-config", no_argument, NULL, DUMP_CONFIG_OPTION },
- { "dump-plugin", no_argument, NULL, DUMP_PLUGIN_OPTION },
- { "exit-with-parent", no_argument, NULL, EXIT_WITH_PARENT_OPTION },
- { "export", required_argument, NULL, 'e' },
- { "export-name", required_argument, NULL, 'e' },
- { "exportname", required_argument, NULL, 'e' },
- { "filter", required_argument, NULL, FILTER_OPTION },
- { "foreground", no_argument, NULL, 'f' },
- { "no-fork", no_argument, NULL, 'f' },
- { "group", required_argument, NULL, 'g' },
- { "help", no_argument, NULL, HELP_OPTION },
- { "ip-addr", required_argument, NULL, 'i' },
- { "ipaddr", required_argument, NULL, 'i' },
- { "log", required_argument, NULL, LOG_OPTION },
- { "long-options", no_argument, NULL, LONG_OPTIONS_OPTION },
- { "new-style", no_argument, NULL, 'n' },
- { "newstyle", no_argument, NULL, 'n' },
- { "old-style", no_argument, NULL, 'o' },
- { "oldstyle", no_argument, NULL, 'o' },
- { "pid-file", required_argument, NULL, 'P' },
- { "pidfile", required_argument, NULL, 'P' },
- { "port", required_argument, NULL, 'p' },
- { "read-only", no_argument, NULL, 'r' },
- { "readonly", no_argument, NULL, 'r' },
- { "run", required_argument, NULL, RUN_OPTION },
- { "selinux-label", required_argument, NULL, SELINUX_LABEL_OPTION },
- { "short-options", no_argument, NULL, SHORT_OPTIONS_OPTION },
- { "single", no_argument, NULL, 's' },
- { "stdin", no_argument, NULL, 's' },
- { "threads", required_argument, NULL, 't' },
- { "tls", required_argument, NULL, TLS_OPTION },
- { "tls-certificates", required_argument, NULL, TLS_CERTIFICATES_OPTION },
- { "tls-psk", required_argument, NULL, TLS_PSK_OPTION },
- { "tls-verify-peer", no_argument, NULL, TLS_VERIFY_PEER_OPTION },
- { "unix", required_argument, NULL, 'U' },
- { "user", required_argument, NULL, 'u' },
- { "verbose", no_argument, NULL, 'v' },
- { "version", no_argument, NULL, 'V' },
- { NULL },
-};
-
static void
usage (void)
{
@@ -748,13 +687,6 @@ main (int argc, char *argv[])
exit (EXIT_SUCCESS);
}
-/* Is it a plugin or filter name relative to the plugindir/filterdir? */
-static int
-is_short_name (const char *filename)
-{
- return strchr (filename, '.') == NULL && strchr (filename, '/')
== NULL;
-}
-
/* Implementation of '-U -' */
static char *
make_random_fifo (void)
diff --git a/src/options.h b/src/options.h
new file mode 100644
index 0000000..2bbc96e
--- /dev/null
+++ b/src/options.h
@@ -0,0 +1,109 @@
+/* nbdkit
+ * Copyright (C) 2013-2018 Red Hat Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of Red Hat nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef NBDKIT_OPTIONS_H
+#define NBDKIT_OPTIONS_H
+
+#include <getopt.h>
+#include <limits.h>
+#include <string.h>
+
+enum {
+ HELP_OPTION = CHAR_MAX + 1,
+ DUMP_CONFIG_OPTION,
+ DUMP_PLUGIN_OPTION,
+ EXIT_WITH_PARENT_OPTION,
+ FILTER_OPTION,
+ LOG_OPTION,
+ LONG_OPTIONS_OPTION,
+ RUN_OPTION,
+ SELINUX_LABEL_OPTION,
+ SHORT_OPTIONS_OPTION,
+ TLS_OPTION,
+ TLS_CERTIFICATES_OPTION,
+ TLS_PSK_OPTION,
+ TLS_VERIFY_PEER_OPTION,
+};
+
+static const char *short_options = "D:e:fg:i:nop:P:rst:u:U:vV";
+static const struct option long_options[] = {
+ { "debug", required_argument, NULL, 'D' },
+ { "dump-config", no_argument, NULL, DUMP_CONFIG_OPTION },
+ { "dump-plugin", no_argument, NULL, DUMP_PLUGIN_OPTION },
+ { "exit-with-parent", no_argument, NULL, EXIT_WITH_PARENT_OPTION },
+ { "export", required_argument, NULL, 'e' },
+ { "export-name", required_argument, NULL, 'e' },
+ { "exportname", required_argument, NULL, 'e' },
+ { "filter", required_argument, NULL, FILTER_OPTION },
+ { "foreground", no_argument, NULL, 'f' },
+ { "no-fork", no_argument, NULL, 'f' },
+ { "group", required_argument, NULL, 'g' },
+ { "help", no_argument, NULL, HELP_OPTION },
+ { "ip-addr", required_argument, NULL, 'i' },
+ { "ipaddr", required_argument, NULL, 'i' },
+ { "log", required_argument, NULL, LOG_OPTION },
+ { "long-options", no_argument, NULL, LONG_OPTIONS_OPTION },
+ { "new-style", no_argument, NULL, 'n' },
+ { "newstyle", no_argument, NULL, 'n' },
+ { "old-style", no_argument, NULL, 'o' },
+ { "oldstyle", no_argument, NULL, 'o' },
+ { "pid-file", required_argument, NULL, 'P' },
+ { "pidfile", required_argument, NULL, 'P' },
+ { "port", required_argument, NULL, 'p' },
+ { "read-only", no_argument, NULL, 'r' },
+ { "readonly", no_argument, NULL, 'r' },
+ { "run", required_argument, NULL, RUN_OPTION },
+ { "selinux-label", required_argument, NULL, SELINUX_LABEL_OPTION },
+ { "short-options", no_argument, NULL, SHORT_OPTIONS_OPTION },
+ { "single", no_argument, NULL, 's' },
+ { "stdin", no_argument, NULL, 's' },
+ { "threads", required_argument, NULL, 't' },
+ { "tls", required_argument, NULL, TLS_OPTION },
+ { "tls-certificates", required_argument, NULL, TLS_CERTIFICATES_OPTION },
+ { "tls-psk", required_argument, NULL, TLS_PSK_OPTION },
+ { "tls-verify-peer", no_argument, NULL, TLS_VERIFY_PEER_OPTION },
+ { "unix", required_argument, NULL, 'U' },
+ { "user", required_argument, NULL, 'u' },
+ { "verbose", no_argument, NULL, 'v' },
+ { "version", no_argument, NULL, 'V' },
+ { NULL },
+};
+
+/* Is it a plugin or filter name relative to the plugindir/filterdir? */
+static inline int
+is_short_name (const char *filename)
+{
+ return strchr (filename, '.') == NULL && strchr (filename, '/')
== NULL;
+}
+
+#endif /* NBDKIT_OPTIONS_H */
--
2.19.0.rc0