diff options
author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2016-12-12 18:48:09 +0300 |
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committer | Marc-André Lureau <marcandre.lureau@redhat.com> | 2017-01-31 23:31:21 +0400 |
commit | 3b4482a26dd6d722004fcb7ee031064ee50288e3 (patch) | |
tree | b1b7342852a071fea78568a608f68203f0e45f19 /chardev/char.c | |
parent | d24ca4b8c58e515abacacaeeb588b141cd8fad8b (diff) |
char: move udp chardev in its own file
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'chardev/char.c')
-rw-r--r-- | chardev/char.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/chardev/char.c b/chardev/char.c index 73b6663aa4..05fceb0d73 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -1513,100 +1513,6 @@ static const TypeInfo char_console_type_info = { #endif /* !_WIN32 */ -/***********************************************************/ -/* UDP Net console */ - -typedef struct { - Chardev parent; - QIOChannel *ioc; - uint8_t buf[CHR_READ_BUF_LEN]; - int bufcnt; - int bufptr; - int max_size; -} UdpChardev; - -#define UDP_CHARDEV(obj) OBJECT_CHECK(UdpChardev, (obj), TYPE_CHARDEV_UDP) - -/* Called with chr_write_lock held. */ -static int udp_chr_write(Chardev *chr, const uint8_t *buf, int len) -{ - UdpChardev *s = UDP_CHARDEV(chr); - - return qio_channel_write( - s->ioc, (const char *)buf, len, NULL); -} - -static int udp_chr_read_poll(void *opaque) -{ - Chardev *chr = CHARDEV(opaque); - UdpChardev *s = UDP_CHARDEV(opaque); - - s->max_size = qemu_chr_be_can_write(chr); - - /* If there were any stray characters in the queue process them - * first - */ - while (s->max_size > 0 && s->bufptr < s->bufcnt) { - qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); - s->bufptr++; - s->max_size = qemu_chr_be_can_write(chr); - } - return s->max_size; -} - -static gboolean udp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) -{ - Chardev *chr = CHARDEV(opaque); - UdpChardev *s = UDP_CHARDEV(opaque); - ssize_t ret; - - if (s->max_size == 0) { - return TRUE; - } - ret = qio_channel_read( - s->ioc, (char *)s->buf, sizeof(s->buf), NULL); - if (ret <= 0) { - remove_fd_in_watch(chr); - return FALSE; - } - s->bufcnt = ret; - - s->bufptr = 0; - while (s->max_size > 0 && s->bufptr < s->bufcnt) { - qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); - s->bufptr++; - s->max_size = qemu_chr_be_can_write(chr); - } - - return TRUE; -} - -static void udp_chr_update_read_handler(Chardev *chr, - GMainContext *context) -{ - UdpChardev *s = UDP_CHARDEV(chr); - - remove_fd_in_watch(chr); - if (s->ioc) { - chr->fd_in_tag = io_add_watch_poll(chr, s->ioc, - udp_chr_read_poll, - udp_chr_read, chr, - context); - } -} - -static void char_udp_finalize(Object *obj) -{ - Chardev *chr = CHARDEV(obj); - UdpChardev *s = UDP_CHARDEV(obj); - - remove_fd_in_watch(chr); - if (s->ioc) { - object_unref(OBJECT(s->ioc)); - } - qemu_chr_be_event(chr, CHR_EVENT_CLOSED); -} - int qemu_chr_wait_connected(Chardev *chr, Error **errp) { ChardevClass *cc = CHARDEV_GET_CLASS(chr); @@ -1905,65 +1811,6 @@ static const TypeInfo char_pipe_type_info = { .class_init = char_pipe_class_init, }; -static void qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend, - Error **errp) -{ - const char *host = qemu_opt_get(opts, "host"); - const char *port = qemu_opt_get(opts, "port"); - const char *localaddr = qemu_opt_get(opts, "localaddr"); - const char *localport = qemu_opt_get(opts, "localport"); - bool has_local = false; - SocketAddress *addr; - ChardevUdp *udp; - - backend->type = CHARDEV_BACKEND_KIND_UDP; - if (host == NULL || strlen(host) == 0) { - host = "localhost"; - } - if (port == NULL || strlen(port) == 0) { - error_setg(errp, "chardev: udp: remote port not specified"); - return; - } - if (localport == NULL || strlen(localport) == 0) { - localport = "0"; - } else { - has_local = true; - } - if (localaddr == NULL || strlen(localaddr) == 0) { - localaddr = ""; - } else { - has_local = true; - } - - udp = backend->u.udp.data = g_new0(ChardevUdp, 1); - qemu_chr_parse_common(opts, qapi_ChardevUdp_base(udp)); - - addr = g_new0(SocketAddress, 1); - addr->type = SOCKET_ADDRESS_KIND_INET; - addr->u.inet.data = g_new(InetSocketAddress, 1); - *addr->u.inet.data = (InetSocketAddress) { - .host = g_strdup(host), - .port = g_strdup(port), - .has_ipv4 = qemu_opt_get(opts, "ipv4"), - .ipv4 = qemu_opt_get_bool(opts, "ipv4", 0), - .has_ipv6 = qemu_opt_get(opts, "ipv6"), - .ipv6 = qemu_opt_get_bool(opts, "ipv6", 0), - }; - udp->remote = addr; - - if (has_local) { - udp->has_local = true; - addr = g_new0(SocketAddress, 1); - addr->type = SOCKET_ADDRESS_KIND_INET; - addr->u.inet.data = g_new(InetSocketAddress, 1); - *addr->u.inet.data = (InetSocketAddress) { - .host = g_strdup(localaddr), - .port = g_strdup(localport), - }; - udp->local = addr; - } -} - static const ChardevClass *char_get_class(const char *driver, Error **errp) { ObjectClass *oc; @@ -2610,50 +2457,6 @@ static const TypeInfo char_serial_type_info = { }; #endif -static void qmp_chardev_open_udp(Chardev *chr, - ChardevBackend *backend, - bool *be_opened, - Error **errp) -{ - ChardevUdp *udp = backend->u.udp.data; - QIOChannelSocket *sioc = qio_channel_socket_new(); - char *name; - UdpChardev *s = UDP_CHARDEV(chr); - - if (qio_channel_socket_dgram_sync(sioc, - udp->local, udp->remote, - errp) < 0) { - object_unref(OBJECT(sioc)); - return; - } - - name = g_strdup_printf("chardev-udp-%s", chr->label); - qio_channel_set_name(QIO_CHANNEL(sioc), name); - g_free(name); - - s->ioc = QIO_CHANNEL(sioc); - /* be isn't opened until we get a connection */ - *be_opened = false; -} - -static void char_udp_class_init(ObjectClass *oc, void *data) -{ - ChardevClass *cc = CHARDEV_CLASS(oc); - - cc->parse = qemu_chr_parse_udp; - cc->open = qmp_chardev_open_udp; - cc->chr_write = udp_chr_write; - cc->chr_update_read_handler = udp_chr_update_read_handler; -} - -static const TypeInfo char_udp_type_info = { - .name = TYPE_CHARDEV_UDP, - .parent = TYPE_CHARDEV, - .instance_size = sizeof(UdpChardev), - .instance_finalize = char_udp_finalize, - .class_init = char_udp_class_init, -}; - bool qemu_chr_has_feature(Chardev *chr, ChardevFeature feature) { @@ -2755,7 +2558,6 @@ void qemu_chr_cleanup(void) static void register_types(void) { type_register_static(&char_type_info); - type_register_static(&char_udp_type_info); type_register_static(&char_file_type_info); type_register_static(&char_stdio_type_info); #ifdef HAVE_CHARDEV_SERIAL |