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authorGerd Hoffmann <kraxel@redhat.com>2009-09-10 10:58:50 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2009-09-11 10:19:49 -0500
commit7591c5c19951def341139c3874bdc7289f9813d1 (patch)
tree74200b7e910ead8627262b22c39bbf5faf1c212b /qemu-char.c
parent6ea314d91439741e95772dfbab98b4135e04bebb (diff)
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convert mux chardev to QemuOpts.
new cmd line syntax: you can add mux=1 to any chardev to enable muxing, then attach it multiple times, like this: -chardev pty,name=mux,mux=on Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'qemu-char.c')
-rw-r--r--qemu-char.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/qemu-char.c b/qemu-char.c
index 3240e13..a7e6cf7 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2230,6 +2230,11 @@ static QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename)
if (NULL == opts)
return NULL;
+ if (strstart(filename, "mon:", &p)) {
+ filename = p;
+ qemu_opt_set(opts, "mux", "on");
+ }
+
if (strcmp(filename, "null") == 0 ||
strcmp(filename, "pty") == 0 ||
strcmp(filename, "msmouse") == 0 ||
@@ -2378,8 +2383,18 @@ CharDriverState *qemu_chr_open_opts(QemuOpts *opts,
if (!chr->filename)
chr->filename = qemu_strdup(qemu_opt_get(opts, "backend"));
chr->init = init;
- chr->label = qemu_strdup(qemu_opts_id(opts));
TAILQ_INSERT_TAIL(&chardevs, chr, next);
+
+ if (qemu_opt_get_bool(opts, "mux", 0)) {
+ CharDriverState *base = chr;
+ int len = strlen(qemu_opts_id(opts)) + 6;
+ base->label = qemu_malloc(len);
+ snprintf(base->label, len, "%s-base", qemu_opts_id(opts));
+ chr = qemu_chr_open_mux(base);
+ chr->filename = base->filename;
+ TAILQ_INSERT_TAIL(&chardevs, chr, next);
+ }
+ chr->label = qemu_strdup(qemu_opts_id(opts));
return chr;
}
@@ -2391,21 +2406,16 @@ CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*i
opts = qemu_chr_parse_compat(label, filename);
if (opts) {
- return qemu_chr_open_opts(opts, init);
+ chr = qemu_chr_open_opts(opts, init);
+ if (qemu_opt_get_bool(opts, "mux", 0)) {
+ monitor_init(chr, MONITOR_USE_READLINE);
+ }
+ return chr;
}
if (strstart(filename, "udp:", &p)) {
chr = qemu_chr_open_udp(p);
} else
- if (strstart(filename, "mon:", &p)) {
- chr = qemu_chr_open(label, p, NULL);
- if (chr) {
- chr = qemu_chr_open_mux(chr);
- monitor_init(chr, MONITOR_USE_READLINE);
- } else {
- printf("Unable to open driver: %s\n", p);
- }
- } else
{
chr = NULL;
}