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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>
This commit is contained in:
Kevin Wolf 2020-01-29 11:22:36 +01:00 committed by Markus Armbruster
parent 9ced5c7c20
commit c3e9555182
4 changed files with 52 additions and 45 deletions
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3
include/monitor/monitor.h
View File

@ -10,12 +10,15 @@ typedef struct MonitorHMP MonitorHMP;
#define QMP_REQ_QUEUE_LEN_MAX 8
extern QemuOptsList qemu_mon_opts;
bool monitor_cur_is_qmp(void);
void monitor_init_globals(void);
void monitor_init_globals_core(void);
void monitor_init_qmp(Chardev *chr, bool pretty);
void monitor_init_hmp(Chardev *chr, bool use_readline);
int monitor_init_opts(QemuOpts *opts, Error **errp);
void monitor_cleanup(void);
int monitor_suspend(Monitor *mon);

1
include/sysemu/sysemu.h
View File

@ -125,7 +125,6 @@ extern QemuOptsList qemu_netdev_opts;
extern QemuOptsList qemu_nic_opts;
extern QemuOptsList qemu_net_opts;
extern QemuOptsList qemu_global_opts;
extern QemuOptsList qemu_mon_opts;
extern QemuOptsList qemu_semihosting_config_opts;
#endif

48
monitor/monitor.c
View File

@ -609,6 +609,54 @@ void monitor_init_globals_core(void)
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",

45
vl.c
View File

@ -2127,50 +2127,7 @@ static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
static int mon_init_func(void *opaque, 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;
return monitor_init_opts(opts, errp);
}
static void monitor_parse(const char *optarg, const char *mode, bool pretty)