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-rw-r--r--qemu-storage-daemon.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/qemu-storage-daemon.c b/qemu-storage-daemon.c
new file mode 100644
index 0000000000..fc4aef572b
--- /dev/null
+++ b/qemu-storage-daemon.c
@@ -0,0 +1,127 @@
+/*
+ * QEMU storage daemon
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2019 Kevin Wolf <kwolf@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+
+#include <getopt.h>
+
+#include "block/block.h"
+#include "crypto/init.h"
+
+#include "qapi/error.h"
+#include "qemu-common.h"
+#include "qemu-version.h"
+#include "qemu/config-file.h"
+#include "qemu/error-report.h"
+#include "qemu/log.h"
+#include "qemu/main-loop.h"
+#include "qemu/module.h"
+
+#include "trace/control.h"
+
+static void help(void)
+{
+ printf(
+"Usage: %s [options]\n"
+"QEMU storage daemon\n"
+"\n"
+" -h, --help display this help and exit\n"
+" -T, --trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n"
+" specify tracing options\n"
+" -V, --version output version information and exit\n"
+"\n"
+QEMU_HELP_BOTTOM "\n",
+ error_get_progname());
+}
+
+static void process_options(int argc, char *argv[])
+{
+ int c;
+
+ static const struct option long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"trace", required_argument, NULL, 'T'},
+ {"version", no_argument, NULL, 'V'},
+ {0, 0, 0, 0}
+ };
+
+ /*
+ * In contrast to the system emulator, options are processed in the order
+ * they are given on the command lines. This means that things must be
+ * defined first before they can be referenced in another option.
+ */
+ while ((c = getopt_long(argc, argv, "hT:V", long_options, NULL)) != -1) {
+ switch (c) {
+ case '?':
+ exit(EXIT_FAILURE);
+ case 'h':
+ help();
+ exit(EXIT_SUCCESS);
+ case 'T':
+ {
+ char *trace_file = trace_opt_parse(optarg);
+ trace_init_file(trace_file);
+ g_free(trace_file);
+ break;
+ }
+ case 'V':
+ printf("qemu-storage-daemon version "
+ QEMU_FULL_VERSION "\n" QEMU_COPYRIGHT "\n");
+ exit(EXIT_SUCCESS);
+ default:
+ g_assert_not_reached();
+ }
+ }
+ if (optind != argc) {
+ error_report("Unexpected argument: %s", argv[optind]);
+ exit(EXIT_FAILURE);
+ }
+}
+
+int main(int argc, char *argv[])
+{
+#ifdef CONFIG_POSIX
+ signal(SIGPIPE, SIG_IGN);
+#endif
+
+ error_init(argv[0]);
+ qemu_init_exec_dir(argv[0]);
+
+ module_call_init(MODULE_INIT_QOM);
+ module_call_init(MODULE_INIT_TRACE);
+ qemu_add_opts(&qemu_trace_opts);
+ qcrypto_init(&error_fatal);
+ bdrv_init();
+
+ if (!trace_init_backends()) {
+ return EXIT_FAILURE;
+ }
+ qemu_set_log(LOG_TRACE);
+
+ qemu_init_main_loop(&error_fatal);
+ process_options(argc, argv);
+
+ return EXIT_SUCCESS;
+}