monitor: Move monitor option parsing to monitor/monitor.c
Both the system emulators and tools with QMP support (specifically, the
planned storage daemon) will need to parse monitor options, so move that
code to monitor/monitor.c, which can be linked into binaries that aren't
a system emulator.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200129102239.31435-2-kwolf@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
diff --git a/monitor/monitor.c b/monitor/monitor.c
index 12898b6..c1a6c44 100644
--- a/monitor/monitor.c
+++ b/monitor/monitor.c
@@ -609,6 +609,54 @@
NULL);
}
+int monitor_init_opts(QemuOpts *opts, Error **errp)
+{
+ Chardev *chr;
+ bool qmp;
+ bool pretty = false;
+ const char *chardev;
+ const char *mode;
+
+ mode = qemu_opt_get(opts, "mode");
+ if (mode == NULL) {
+ mode = "readline";
+ }
+ if (strcmp(mode, "readline") == 0) {
+ qmp = false;
+ } else if (strcmp(mode, "control") == 0) {
+ qmp = true;
+ } else {
+ error_setg(errp, "unknown monitor mode \"%s\"", mode);
+ return -1;
+ }
+
+ if (!qmp && qemu_opt_get(opts, "pretty")) {
+ warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
+ "and will be removed in future versions");
+ }
+ if (qemu_opt_get_bool(opts, "pretty", 0)) {
+ pretty = true;
+ }
+
+ chardev = qemu_opt_get(opts, "chardev");
+ if (!chardev) {
+ error_report("chardev is required");
+ exit(1);
+ }
+ chr = qemu_chr_find(chardev);
+ if (chr == NULL) {
+ error_setg(errp, "chardev \"%s\" not found", chardev);
+ return -1;
+ }
+
+ if (qmp) {
+ monitor_init_qmp(chr, pretty);
+ } else {
+ monitor_init_hmp(chr, true);
+ }
+ return 0;
+}
+
QemuOptsList qemu_mon_opts = {
.name = "mon",
.implied_opt_name = "chardev",
