* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+#include "qemu/osdep.h"
#include "qemu-common.h"
+#include "qemu/cutils.h"
#include "monitor/monitor.h"
#include "sysemu/sysemu.h"
+#include "sysemu/block-backend.h"
#include "qemu/error-report.h"
#include "qemu/timer.h"
#include "sysemu/char.h"
#include "qapi/qmp-input-visitor.h"
#include "qapi/qmp-output-visitor.h"
#include "qapi-visit.h"
+#include "qemu/base64.h"
+#include "io/channel-socket.h"
+#include "io/channel-file.h"
+#include "io/channel-tls.h"
+#include "sysemu/replay.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <time.h>
-#include <errno.h>
-#include <sys/time.h>
#include <zlib.h>
#ifndef _WIN32
#include <netinet/in.h>
#include <net/if.h>
#include <arpa/inet.h>
-#include <dirent.h>
#include <netdb.h>
#include <sys/select.h>
#ifdef CONFIG_BSD
-#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#include <dev/ppbus/ppi.h>
#include <dev/ppbus/ppbconf.h>
#include <linux/parport.h>
#endif
#ifdef __sun__
-#include <sys/stat.h>
#include <sys/ethernet.h>
#include <sys/sockio.h>
#include <netinet/arp.h>
#define READ_BUF_LEN 4096
#define READ_RETRIES 10
-#define CHR_MAX_FILENAME_SIZE 256
#define TCP_MAX_FDS 16
/***********************************************************/
/* Socket address helpers */
-static void qapi_copy_SocketAddress(SocketAddress **p_dest,
- SocketAddress *src)
-{
- QmpOutputVisitor *qov;
- QmpInputVisitor *qiv;
- Visitor *ov, *iv;
- QObject *obj;
-
- *p_dest = NULL;
-
- qov = qmp_output_visitor_new();
- ov = qmp_output_get_visitor(qov);
- visit_type_SocketAddress(ov, &src, NULL, &error_abort);
- obj = qmp_output_get_qobject(qov);
- qmp_output_visitor_cleanup(qov);
- if (!obj) {
- return;
- }
-
- qiv = qmp_input_visitor_new(obj);
- iv = qmp_input_get_visitor(qiv);
- visit_type_SocketAddress(iv, p_dest, NULL, &error_abort);
- qmp_input_visitor_cleanup(qiv);
- qobject_decref(obj);
-}
-static int SocketAddress_to_str(char *dest, int max_len,
- const char *prefix, SocketAddress *addr,
- bool is_listen, bool is_telnet)
+static char *SocketAddress_to_str(const char *prefix, SocketAddress *addr,
+ bool is_listen, bool is_telnet)
{
- switch (addr->kind) {
+ switch (addr->type) {
case SOCKET_ADDRESS_KIND_INET:
- return snprintf(dest, max_len, "%s%s:%s:%s%s", prefix,
- is_telnet ? "telnet" : "tcp", addr->inet->host,
- addr->inet->port, is_listen ? ",server" : "");
+ return g_strdup_printf("%s%s:%s:%s%s", prefix,
+ is_telnet ? "telnet" : "tcp",
+ addr->u.inet.data->host,
+ addr->u.inet.data->port,
+ is_listen ? ",server" : "");
break;
case SOCKET_ADDRESS_KIND_UNIX:
- return snprintf(dest, max_len, "%sunix:%s%s", prefix,
- addr->q_unix->path, is_listen ? ",server" : "");
+ return g_strdup_printf("%sunix:%s%s", prefix,
+ addr->u.q_unix.data->path,
+ is_listen ? ",server" : "");
break;
case SOCKET_ADDRESS_KIND_FD:
- return snprintf(dest, max_len, "%sfd:%s%s", prefix, addr->fd->str,
- is_listen ? ",server" : "");
+ return g_strdup_printf("%sfd:%s%s", prefix, addr->u.fd.data->str,
+ is_listen ? ",server" : "");
break;
default:
abort();
}
}
-static int sockaddr_to_str(char *dest, int max_len,
- struct sockaddr_storage *ss, socklen_t ss_len,
- struct sockaddr_storage *ps, socklen_t ps_len,
- bool is_listen, bool is_telnet)
+static char *sockaddr_to_str(struct sockaddr_storage *ss, socklen_t ss_len,
+ struct sockaddr_storage *ps, socklen_t ps_len,
+ bool is_listen, bool is_telnet)
{
char shost[NI_MAXHOST], sserv[NI_MAXSERV];
char phost[NI_MAXHOST], pserv[NI_MAXSERV];
switch (ss->ss_family) {
#ifndef _WIN32
case AF_UNIX:
- return snprintf(dest, max_len, "unix:%s%s",
- ((struct sockaddr_un *)(ss))->sun_path,
- is_listen ? ",server" : "");
+ return g_strdup_printf("unix:%s%s",
+ ((struct sockaddr_un *)(ss))->sun_path,
+ is_listen ? ",server" : "");
#endif
case AF_INET6:
left = "[";
sserv, sizeof(sserv), NI_NUMERICHOST | NI_NUMERICSERV);
getnameinfo((struct sockaddr *) ps, ps_len, phost, sizeof(phost),
pserv, sizeof(pserv), NI_NUMERICHOST | NI_NUMERICSERV);
- return snprintf(dest, max_len, "%s:%s%s%s:%s%s <-> %s%s%s:%s",
- is_telnet ? "telnet" : "tcp",
- left, shost, right, sserv,
- is_listen ? ",server" : "",
- left, phost, right, pserv);
+ return g_strdup_printf("%s:%s%s%s:%s%s <-> %s%s%s:%s",
+ is_telnet ? "telnet" : "tcp",
+ left, shost, right, sserv,
+ is_listen ? ",server" : "",
+ left, phost, right, pserv);
default:
- return snprintf(dest, max_len, "unknown");
+ return g_strdup_printf("unknown");
}
}
static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs =
QTAILQ_HEAD_INITIALIZER(chardevs);
-CharDriverState *qemu_chr_alloc(void)
+static void qemu_chr_free_common(CharDriverState *chr);
+
+CharDriverState *qemu_chr_alloc(ChardevCommon *backend, Error **errp)
{
CharDriverState *chr = g_malloc0(sizeof(CharDriverState));
qemu_mutex_init(&chr->chr_write_lock);
+
+ if (backend->has_logfile) {
+ int flags = O_WRONLY | O_CREAT;
+ if (backend->has_logappend &&
+ backend->logappend) {
+ flags |= O_APPEND;
+ } else {
+ flags |= O_TRUNC;
+ }
+ chr->logfd = qemu_open(backend->logfile, flags, 0666);
+ if (chr->logfd < 0) {
+ error_setg_errno(errp, errno,
+ "Unable to open logfile %s",
+ backend->logfile);
+ g_free(chr);
+ return NULL;
+ }
+ } else {
+ chr->logfd = -1;
+ }
+
return chr;
}
qemu_chr_be_event(s, CHR_EVENT_OPENED);
}
+
+/* Not reporting errors from writing to logfile, as logs are
+ * defined to be "best effort" only */
+static void qemu_chr_fe_write_log(CharDriverState *s,
+ const uint8_t *buf, size_t len)
+{
+ size_t done = 0;
+ ssize_t ret;
+
+ if (s->logfd < 0) {
+ return;
+ }
+
+ while (done < len) {
+ retry:
+ ret = write(s->logfd, buf + done, len - done);
+ if (ret == -1 && errno == EAGAIN) {
+ g_usleep(100);
+ goto retry;
+ }
+
+ if (ret <= 0) {
+ return;
+ }
+ done += ret;
+ }
+}
+
+static int qemu_chr_fe_write_buffer(CharDriverState *s, const uint8_t *buf, int len, int *offset)
+{
+ int res = 0;
+ *offset = 0;
+
+ qemu_mutex_lock(&s->chr_write_lock);
+ while (*offset < len) {
+ retry:
+ res = s->chr_write(s, buf + *offset, len - *offset);
+ if (res < 0 && errno == EAGAIN) {
+ g_usleep(100);
+ goto retry;
+ }
+
+ if (res <= 0) {
+ break;
+ }
+
+ *offset += res;
+ }
+ if (*offset > 0) {
+ qemu_chr_fe_write_log(s, buf, *offset);
+ }
+ qemu_mutex_unlock(&s->chr_write_lock);
+
+ return res;
+}
+
int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len)
{
int ret;
+ if (s->replay && replay_mode == REPLAY_MODE_PLAY) {
+ int offset;
+ replay_char_write_event_load(&ret, &offset);
+ assert(offset <= len);
+ qemu_chr_fe_write_buffer(s, buf, offset, &offset);
+ return ret;
+ }
+
qemu_mutex_lock(&s->chr_write_lock);
ret = s->chr_write(s, buf, len);
+
+ if (ret > 0) {
+ qemu_chr_fe_write_log(s, buf, ret);
+ }
+
qemu_mutex_unlock(&s->chr_write_lock);
+
+ if (s->replay && replay_mode == REPLAY_MODE_RECORD) {
+ replay_char_write_event_save(ret, ret < 0 ? 0 : ret);
+ }
+
return ret;
}
int qemu_chr_fe_write_all(CharDriverState *s, const uint8_t *buf, int len)
{
- int offset = 0;
- int res = 0;
+ int offset;
+ int res;
- qemu_mutex_lock(&s->chr_write_lock);
- while (offset < len) {
- do {
- res = s->chr_write(s, buf + offset, len - offset);
- if (res == -1 && errno == EAGAIN) {
- g_usleep(100);
- }
- } while (res == -1 && errno == EAGAIN);
+ if (s->replay && replay_mode == REPLAY_MODE_PLAY) {
+ replay_char_write_event_load(&res, &offset);
+ assert(offset <= len);
+ qemu_chr_fe_write_buffer(s, buf, offset, &offset);
+ return res;
+ }
- if (res <= 0) {
- break;
- }
+ res = qemu_chr_fe_write_buffer(s, buf, len, &offset);
- offset += res;
+ if (s->replay && replay_mode == REPLAY_MODE_RECORD) {
+ replay_char_write_event_save(res, offset);
}
- qemu_mutex_unlock(&s->chr_write_lock);
if (res < 0) {
return res;
if (!s->chr_sync_read) {
return 0;
}
+
+ if (s->replay && replay_mode == REPLAY_MODE_PLAY) {
+ return replay_char_read_all_load(buf);
+ }
while (offset < len) {
- do {
- res = s->chr_sync_read(s, buf + offset, len - offset);
- if (res == -1 && errno == EAGAIN) {
- g_usleep(100);
- }
- } while (res == -1 && errno == EAGAIN);
+ retry:
+ res = s->chr_sync_read(s, buf + offset, len - offset);
+ if (res == -1 && errno == EAGAIN) {
+ g_usleep(100);
+ goto retry;
+ }
if (res == 0) {
break;
}
if (res < 0) {
+ if (s->replay && replay_mode == REPLAY_MODE_RECORD) {
+ replay_char_read_all_save_error(res);
+ }
return res;
}
}
}
+ if (s->replay && replay_mode == REPLAY_MODE_RECORD) {
+ replay_char_read_all_save_buf(buf, offset);
+ }
return offset;
}
int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg)
{
- if (!s->chr_ioctl)
- return -ENOTSUP;
- return s->chr_ioctl(s, cmd, arg);
+ int res;
+ if (!s->chr_ioctl || s->replay) {
+ res = -ENOTSUP;
+ } else {
+ res = s->chr_ioctl(s, cmd, arg);
+ }
+
+ return res;
}
int qemu_chr_be_can_write(CharDriverState *s)
return s->chr_can_read(s->handler_opaque);
}
-void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len)
+void qemu_chr_be_write_impl(CharDriverState *s, uint8_t *buf, int len)
{
if (s->chr_read) {
s->chr_read(s->handler_opaque, buf, len);
}
}
+void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len)
+{
+ if (s->replay) {
+ if (replay_mode == REPLAY_MODE_PLAY) {
+ return;
+ }
+ replay_chr_be_write(s, buf, len);
+ } else {
+ qemu_chr_be_write_impl(s, buf, len);
+ }
+}
+
int qemu_chr_fe_get_msgfd(CharDriverState *s)
{
int fd;
- return (qemu_chr_fe_get_msgfds(s, &fd, 1) == 1) ? fd : -1;
+ int res = (qemu_chr_fe_get_msgfds(s, &fd, 1) == 1) ? fd : -1;
+ if (s->replay) {
+ fprintf(stderr,
+ "Replay: get msgfd is not supported for serial devices yet\n");
+ exit(1);
+ }
+ return res;
}
int qemu_chr_fe_get_msgfds(CharDriverState *s, int *fds, int len)
return len;
}
-static CharDriverState *qemu_chr_open_null(void)
+static CharDriverState *qemu_chr_open_null(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
CharDriverState *chr;
+ ChardevCommon *common = backend->u.null.data;
- chr = qemu_chr_alloc();
+ chr = qemu_chr_alloc(common, errp);
+ if (!chr) {
+ return NULL;
+ }
chr->chr_write = null_chr_write;
chr->explicit_be_open = true;
return chr;
break;
}
case 's':
- bdrv_commit_all();
+ blk_commit_all();
break;
case 'b':
qemu_chr_be_event(chr, CHR_EVENT_BREAK);
return d->drv->chr_add_watch(d->drv, cond);
}
-static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
+static CharDriverState *qemu_chr_open_mux(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret, Error **errp)
{
- CharDriverState *chr;
+ ChardevMux *mux = backend->u.mux.data;
+ CharDriverState *chr, *drv;
MuxDriver *d;
+ ChardevCommon *common = qapi_ChardevMux_base(mux);
+
+ drv = qemu_chr_find(mux->chardev);
+ if (drv == NULL) {
+ error_setg(errp, "mux: base chardev %s not found", mux->chardev);
+ return NULL;
+ }
- chr = qemu_chr_alloc();
- d = g_malloc0(sizeof(MuxDriver));
+ chr = qemu_chr_alloc(common, errp);
+ if (!chr) {
+ return NULL;
+ }
+ d = g_new0(MuxDriver, 1);
chr->opaque = d;
d->drv = drv;
}
-#ifdef _WIN32
-int send_all(int fd, const void *buf, int len1)
-{
- int ret, len;
-
- len = len1;
- while (len > 0) {
- ret = send(fd, buf, len, 0);
- if (ret < 0) {
- errno = WSAGetLastError();
- if (errno != WSAEWOULDBLOCK) {
- return -1;
- }
- } else if (ret == 0) {
- break;
- } else {
- buf += ret;
- len -= ret;
- }
- }
- return len1 - len;
-}
-
-#else
-
-int send_all(int fd, const void *_buf, int len1)
-{
- int ret, len;
- const uint8_t *buf = _buf;
-
- len = len1;
- while (len > 0) {
- ret = write(fd, buf, len);
- if (ret < 0) {
- if (errno != EINTR && errno != EAGAIN)
- return -1;
- } else if (ret == 0) {
- break;
- } else {
- buf += ret;
- len -= ret;
- }
- }
- return len1 - len;
-}
-
-int recv_all(int fd, void *_buf, int len1, bool single_read)
-{
- int ret, len;
- uint8_t *buf = _buf;
-
- len = len1;
- while ((len > 0) && (ret = read(fd, buf, len)) != 0) {
- if (ret < 0) {
- if (errno != EINTR && errno != EAGAIN) {
- return -1;
- }
- continue;
- } else {
- if (single_read) {
- return ret;
- }
- buf += ret;
- len -= ret;
- }
- }
- return len1 - len;
-}
-
-#endif /* !_WIN32 */
-
typedef struct IOWatchPoll
{
GSource parent;
- GIOChannel *channel;
+ QIOChannel *ioc;
GSource *src;
IOCanReadHandler *fd_can_read;
}
if (now_active) {
- iwp->src = g_io_create_watch(iwp->channel,
- G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL);
+ iwp->src = qio_channel_create_watch(
+ iwp->ioc, G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL);
g_source_set_callback(iwp->src, iwp->fd_read, iwp->opaque, NULL);
g_source_attach(iwp->src, NULL);
} else {
};
/* Can only be used for read */
-static guint io_add_watch_poll(GIOChannel *channel,
+static guint io_add_watch_poll(QIOChannel *ioc,
IOCanReadHandler *fd_can_read,
- GIOFunc fd_read,
+ QIOChannelFunc fd_read,
gpointer user_data)
{
IOWatchPoll *iwp;
iwp = (IOWatchPoll *) g_source_new(&io_watch_poll_funcs, sizeof(IOWatchPoll));
iwp->fd_can_read = fd_can_read;
iwp->opaque = user_data;
- iwp->channel = channel;
+ iwp->ioc = ioc;
iwp->fd_read = (GSourceFunc) fd_read;
iwp->src = NULL;
}
}
-#ifndef _WIN32
-static GIOChannel *io_channel_from_fd(int fd)
-{
- GIOChannel *chan;
-
- if (fd == -1) {
- return NULL;
- }
-
- chan = g_io_channel_unix_new(fd);
-
- g_io_channel_set_encoding(chan, NULL, NULL);
- g_io_channel_set_buffered(chan, FALSE);
- return chan;
-}
-#endif
-
-static GIOChannel *io_channel_from_socket(int fd)
+static int io_channel_send_full(QIOChannel *ioc,
+ const void *buf, size_t len,
+ int *fds, size_t nfds)
{
- GIOChannel *chan;
+ size_t offset = 0;
- if (fd == -1) {
- return NULL;
- }
+ while (offset < len) {
+ ssize_t ret = 0;
+ struct iovec iov = { .iov_base = (char *)buf + offset,
+ .iov_len = len - offset };
+
+ ret = qio_channel_writev_full(
+ ioc, &iov, 1,
+ fds, nfds, NULL);
+ if (ret == QIO_CHANNEL_ERR_BLOCK) {
+ if (offset) {
+ return offset;
+ }
-#ifdef _WIN32
- chan = g_io_channel_win32_new_socket(fd);
-#else
- chan = g_io_channel_unix_new(fd);
-#endif
+ errno = EAGAIN;
+ return -1;
+ } else if (ret < 0) {
+ errno = EINVAL;
+ return -1;
+ }
- g_io_channel_set_encoding(chan, NULL, NULL);
- g_io_channel_set_buffered(chan, FALSE);
+ offset += ret;
+ }
- return chan;
+ return offset;
}
-static int io_channel_send(GIOChannel *fd, const void *buf, size_t len)
-{
- size_t offset = 0;
- GIOStatus status = G_IO_STATUS_NORMAL;
-
- while (offset < len && status == G_IO_STATUS_NORMAL) {
- gsize bytes_written = 0;
-
- status = g_io_channel_write_chars(fd, buf + offset, len - offset,
- &bytes_written, NULL);
- offset += bytes_written;
- }
- if (offset > 0) {
- return offset;
- }
- switch (status) {
- case G_IO_STATUS_NORMAL:
- g_assert(len == 0);
- return 0;
- case G_IO_STATUS_AGAIN:
- errno = EAGAIN;
- return -1;
- default:
- break;
- }
- errno = EINVAL;
- return -1;
+#ifndef _WIN32
+static int io_channel_send(QIOChannel *ioc, const void *buf, size_t len)
+{
+ return io_channel_send_full(ioc, buf, len, NULL, 0);
}
-#ifndef _WIN32
typedef struct FDCharDriver {
CharDriverState *chr;
- GIOChannel *fd_in, *fd_out;
+ QIOChannel *ioc_in, *ioc_out;
int max_size;
} FDCharDriver;
{
FDCharDriver *s = chr->opaque;
- return io_channel_send(s->fd_out, buf, len);
+ return io_channel_send(s->ioc_out, buf, len);
}
-static gboolean fd_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque)
+static gboolean fd_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque)
{
CharDriverState *chr = opaque;
FDCharDriver *s = chr->opaque;
int len;
uint8_t buf[READ_BUF_LEN];
- GIOStatus status;
- gsize bytes_read;
+ ssize_t ret;
len = sizeof(buf);
if (len > s->max_size) {
return TRUE;
}
- status = g_io_channel_read_chars(chan, (gchar *)buf,
- len, &bytes_read, NULL);
- if (status == G_IO_STATUS_EOF) {
+ ret = qio_channel_read(
+ chan, (gchar *)buf, len, NULL);
+ if (ret == 0) {
remove_fd_in_watch(chr);
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
return FALSE;
}
- if (status == G_IO_STATUS_NORMAL) {
- qemu_chr_be_write(chr, buf, bytes_read);
+ if (ret > 0) {
+ qemu_chr_be_write(chr, buf, ret);
}
return TRUE;
static GSource *fd_chr_add_watch(CharDriverState *chr, GIOCondition cond)
{
FDCharDriver *s = chr->opaque;
- return g_io_create_watch(s->fd_out, cond);
+ return qio_channel_create_watch(s->ioc_out, cond);
}
static void fd_chr_update_read_handler(CharDriverState *chr)
FDCharDriver *s = chr->opaque;
remove_fd_in_watch(chr);
- if (s->fd_in) {
- chr->fd_in_tag = io_add_watch_poll(s->fd_in, fd_chr_read_poll,
+ if (s->ioc_in) {
+ chr->fd_in_tag = io_add_watch_poll(s->ioc_in,
+ fd_chr_read_poll,
fd_chr_read, chr);
}
}
FDCharDriver *s = chr->opaque;
remove_fd_in_watch(chr);
- if (s->fd_in) {
- g_io_channel_unref(s->fd_in);
+ if (s->ioc_in) {
+ object_unref(OBJECT(s->ioc_in));
}
- if (s->fd_out) {
- g_io_channel_unref(s->fd_out);
+ if (s->ioc_out) {
+ object_unref(OBJECT(s->ioc_out));
}
g_free(s);
}
/* open a character device to a unix fd */
-static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
+static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out,
+ ChardevCommon *backend, Error **errp)
{
CharDriverState *chr;
FDCharDriver *s;
- chr = qemu_chr_alloc();
- s = g_malloc0(sizeof(FDCharDriver));
- s->fd_in = io_channel_from_fd(fd_in);
- s->fd_out = io_channel_from_fd(fd_out);
+ chr = qemu_chr_alloc(backend, errp);
+ if (!chr) {
+ return NULL;
+ }
+ s = g_new0(FDCharDriver, 1);
+ s->ioc_in = QIO_CHANNEL(qio_channel_file_new_fd(fd_in));
+ s->ioc_out = QIO_CHANNEL(qio_channel_file_new_fd(fd_out));
qemu_set_nonblock(fd_out);
s->chr = chr;
chr->opaque = s;
return chr;
}
-static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts)
+static CharDriverState *qemu_chr_open_pipe(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
+ ChardevHostdev *opts = backend->u.pipe.data;
int fd_in, fd_out;
- char filename_in[CHR_MAX_FILENAME_SIZE];
- char filename_out[CHR_MAX_FILENAME_SIZE];
+ char *filename_in;
+ char *filename_out;
const char *filename = opts->device;
+ ChardevCommon *common = qapi_ChardevHostdev_base(opts);
- if (filename == NULL) {
- fprintf(stderr, "chardev: pipe: no filename given\n");
- return NULL;
- }
- snprintf(filename_in, CHR_MAX_FILENAME_SIZE, "%s.in", filename);
- snprintf(filename_out, CHR_MAX_FILENAME_SIZE, "%s.out", filename);
+ filename_in = g_strdup_printf("%s.in", filename);
+ filename_out = g_strdup_printf("%s.out", filename);
TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY));
TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY));
+ g_free(filename_in);
+ g_free(filename_out);
if (fd_in < 0 || fd_out < 0) {
if (fd_in >= 0)
close(fd_in);
close(fd_out);
TFR(fd_in = fd_out = qemu_open(filename, O_RDWR | O_BINARY));
if (fd_in < 0) {
+ error_setg_file_open(errp, errno, filename);
return NULL;
}
}
- return qemu_chr_open_fd(fd_in, fd_out);
+ return qemu_chr_open_fd(fd_in, fd_out, common, errp);
}
/* init terminal so that we can grab keys */
fd_chr_close(chr);
}
-static CharDriverState *qemu_chr_open_stdio(ChardevStdio *opts)
+static CharDriverState *qemu_chr_open_stdio(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
+ ChardevStdio *opts = backend->u.stdio.data;
CharDriverState *chr;
struct sigaction act;
+ ChardevCommon *common = qapi_ChardevStdio_base(opts);
if (is_daemonized()) {
- error_report("cannot use stdio with -daemonize");
+ error_setg(errp, "cannot use stdio with -daemonize");
return NULL;
}
if (stdio_in_use) {
- error_report("cannot use stdio by multiple character devices");
- exit(1);
+ error_setg(errp, "cannot use stdio by multiple character devices");
+ return NULL;
}
stdio_in_use = true;
act.sa_handler = term_stdio_handler;
sigaction(SIGCONT, &act, NULL);
- chr = qemu_chr_open_fd(0, 1);
+ chr = qemu_chr_open_fd(0, 1, common, errp);
chr->chr_close = qemu_chr_close_stdio;
chr->chr_set_echo = qemu_chr_set_echo_stdio;
if (opts->has_signal) {
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
|| defined(__GLIBC__)
-#define HAVE_CHARDEV_TTY 1
+#define HAVE_CHARDEV_SERIAL 1
+#define HAVE_CHARDEV_PTY 1
typedef struct {
- GIOChannel *fd;
+ QIOChannel *ioc;
int read_bytes;
/* Protected by the CharDriverState chr_write_lock. */
{
PtyCharDriver *s = chr->opaque;
GPollFD pfd;
+ int rc;
+ QIOChannelFile *fioc = QIO_CHANNEL_FILE(s->ioc);
- pfd.fd = g_io_channel_unix_get_fd(s->fd);
+ pfd.fd = fioc->fd;
pfd.events = G_IO_OUT;
pfd.revents = 0;
- g_poll(&pfd, 1, 0);
+ do {
+ rc = g_poll(&pfd, 1, 0);
+ } while (rc == -1 && errno == EINTR);
+ assert(rc >= 0);
+
if (pfd.revents & G_IO_HUP) {
pty_chr_state(chr, 0);
} else {
return 0;
}
}
- return io_channel_send(s->fd, buf, len);
+ return io_channel_send(s->ioc, buf, len);
}
static GSource *pty_chr_add_watch(CharDriverState *chr, GIOCondition cond)
if (!s->connected) {
return NULL;
}
- return g_io_create_watch(s->fd, cond);
+ return qio_channel_create_watch(s->ioc, cond);
}
static int pty_chr_read_poll(void *opaque)
return s->read_bytes;
}
-static gboolean pty_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque)
+static gboolean pty_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque)
{
CharDriverState *chr = opaque;
PtyCharDriver *s = chr->opaque;
- gsize size, len;
+ gsize len;
uint8_t buf[READ_BUF_LEN];
- GIOStatus status;
+ ssize_t ret;
len = sizeof(buf);
if (len > s->read_bytes)
if (len == 0) {
return TRUE;
}
- status = g_io_channel_read_chars(s->fd, (gchar *)buf, len, &size, NULL);
- if (status != G_IO_STATUS_NORMAL) {
+ ret = qio_channel_read(s->ioc, (char *)buf, len, NULL);
+ if (ret <= 0) {
pty_chr_state(chr, 0);
return FALSE;
} else {
pty_chr_state(chr, 1);
- qemu_chr_be_write(chr, buf, size);
+ qemu_chr_be_write(chr, buf, ret);
}
return TRUE;
}
s->open_tag = g_idle_add(qemu_chr_be_generic_open_func, chr);
}
if (!chr->fd_in_tag) {
- chr->fd_in_tag = io_add_watch_poll(s->fd, pty_chr_read_poll,
+ chr->fd_in_tag = io_add_watch_poll(s->ioc,
+ pty_chr_read_poll,
pty_chr_read, chr);
}
}
static void pty_chr_close(struct CharDriverState *chr)
{
PtyCharDriver *s = chr->opaque;
- int fd;
qemu_mutex_lock(&chr->chr_write_lock);
pty_chr_state(chr, 0);
- fd = g_io_channel_unix_get_fd(s->fd);
- g_io_channel_unref(s->fd);
- close(fd);
+ object_unref(OBJECT(s->ioc));
if (s->timer_tag) {
g_source_remove(s->timer_tag);
s->timer_tag = 0;
}
static CharDriverState *qemu_chr_open_pty(const char *id,
- ChardevReturn *ret)
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
CharDriverState *chr;
PtyCharDriver *s;
int master_fd, slave_fd;
char pty_name[PATH_MAX];
+ ChardevCommon *common = backend->u.pty.data;
master_fd = qemu_openpty_raw(&slave_fd, pty_name);
if (master_fd < 0) {
+ error_setg_errno(errp, errno, "Failed to create PTY");
return NULL;
}
close(slave_fd);
qemu_set_nonblock(master_fd);
- chr = qemu_chr_alloc();
+ chr = qemu_chr_alloc(common, errp);
+ if (!chr) {
+ close(master_fd);
+ return NULL;
+ }
chr->filename = g_strdup_printf("pty:%s", pty_name);
ret->pty = g_strdup(pty_name);
fprintf(stderr, "char device redirected to %s (label %s)\n",
pty_name, id);
- s = g_malloc0(sizeof(PtyCharDriver));
+ s = g_new0(PtyCharDriver, 1);
chr->opaque = s;
chr->chr_write = pty_chr_write;
chr->chr_update_read_handler = pty_chr_update_read_handler;
chr->chr_add_watch = pty_chr_add_watch;
chr->explicit_be_open = true;
- s->fd = io_channel_from_fd(master_fd);
+ s->ioc = QIO_CHANNEL(qio_channel_file_new_fd(master_fd));
s->timer_tag = 0;
return chr;
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
{
FDCharDriver *s = chr->opaque;
+ QIOChannelFile *fioc = QIO_CHANNEL_FILE(s->ioc_in);
switch(cmd) {
case CHR_IOCTL_SERIAL_SET_PARAMS:
{
QEMUSerialSetParams *ssp = arg;
- tty_serial_init(g_io_channel_unix_get_fd(s->fd_in),
+ tty_serial_init(fioc->fd,
ssp->speed, ssp->parity,
ssp->data_bits, ssp->stop_bits);
}
{
int enable = *(int *)arg;
if (enable) {
- tcsendbreak(g_io_channel_unix_get_fd(s->fd_in), 1);
+ tcsendbreak(fioc->fd, 1);
}
}
break;
{
int sarg = 0;
int *targ = (int *)arg;
- ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMGET, &sarg);
+ ioctl(fioc->fd, TIOCMGET, &sarg);
*targ = 0;
if (sarg & TIOCM_CTS)
*targ |= CHR_TIOCM_CTS;
{
int sarg = *(int *)arg;
int targ = 0;
- ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMGET, &targ);
+ ioctl(fioc->fd, TIOCMGET, &targ);
targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR
| CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS);
if (sarg & CHR_TIOCM_CTS)
targ |= TIOCM_DTR;
if (sarg & CHR_TIOCM_RTS)
targ |= TIOCM_RTS;
- ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMSET, &targ);
+ ioctl(fioc->fd, TIOCMSET, &targ);
}
break;
default:
static void qemu_chr_close_tty(CharDriverState *chr)
{
- FDCharDriver *s = chr->opaque;
- int fd = -1;
-
- if (s) {
- fd = g_io_channel_unix_get_fd(s->fd_in);
- }
-
fd_chr_close(chr);
-
- if (fd >= 0) {
- close(fd);
- }
}
-static CharDriverState *qemu_chr_open_tty_fd(int fd)
+static CharDriverState *qemu_chr_open_tty_fd(int fd,
+ ChardevCommon *backend,
+ Error **errp)
{
CharDriverState *chr;
tty_serial_init(fd, 115200, 'N', 8, 1);
- chr = qemu_chr_open_fd(fd, fd);
+ chr = qemu_chr_open_fd(fd, fd, backend, errp);
chr->chr_ioctl = tty_serial_ioctl;
chr->chr_close = qemu_chr_close_tty;
return chr;
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
-static CharDriverState *qemu_chr_open_pp_fd(int fd)
+static CharDriverState *qemu_chr_open_pp_fd(int fd,
+ ChardevCommon *backend,
+ Error **errp)
{
CharDriverState *chr;
ParallelCharDriver *drv;
if (ioctl(fd, PPCLAIM) < 0) {
+ error_setg_errno(errp, errno, "not a parallel port");
close(fd);
return NULL;
}
- drv = g_malloc0(sizeof(ParallelCharDriver));
- drv->fd = fd;
- drv->mode = IEEE1284_MODE_COMPAT;
+ chr = qemu_chr_alloc(backend, errp);
+ if (!chr) {
+ return NULL;
+ }
- chr = qemu_chr_alloc();
+ drv = g_new0(ParallelCharDriver, 1);
+ chr->opaque = drv;
chr->chr_write = null_chr_write;
chr->chr_ioctl = pp_ioctl;
chr->chr_close = pp_close;
- chr->opaque = drv;
+
+ drv->fd = fd;
+ drv->mode = IEEE1284_MODE_COMPAT;
return chr;
}
return 0;
}
-static CharDriverState *qemu_chr_open_pp_fd(int fd)
+static CharDriverState *qemu_chr_open_pp_fd(int fd,
+ ChardevCommon *backend,
+ Error **errp)
{
CharDriverState *chr;
- chr = qemu_chr_alloc();
+ chr = qemu_chr_alloc(backend, errp);
+ if (!chr) {
+ return NULL;
+ }
chr->opaque = (void *)(intptr_t)fd;
chr->chr_write = null_chr_write;
chr->chr_ioctl = pp_ioctl;
#else /* _WIN32 */
+#define HAVE_CHARDEV_SERIAL 1
+
typedef struct {
int max_size;
HANDLE hcom, hrecv, hsend;
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
-static int win_chr_init(CharDriverState *chr, const char *filename)
+static int win_chr_init(CharDriverState *chr, const char *filename, Error **errp)
{
WinCharState *s = chr->opaque;
COMMCONFIG comcfg;
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!s->hsend) {
- fprintf(stderr, "Failed CreateEvent\n");
+ error_setg(errp, "Failed CreateEvent");
goto fail;
}
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!s->hrecv) {
- fprintf(stderr, "Failed CreateEvent\n");
+ error_setg(errp, "Failed CreateEvent");
goto fail;
}
s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
if (s->hcom == INVALID_HANDLE_VALUE) {
- fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
+ error_setg(errp, "Failed CreateFile (%lu)", GetLastError());
s->hcom = NULL;
goto fail;
}
if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
- fprintf(stderr, "Failed SetupComm\n");
+ error_setg(errp, "Failed SetupComm");
goto fail;
}
CommConfigDialog(filename, NULL, &comcfg);
if (!SetCommState(s->hcom, &comcfg.dcb)) {
- fprintf(stderr, "Failed SetCommState\n");
+ error_setg(errp, "Failed SetCommState");
goto fail;
}
if (!SetCommMask(s->hcom, EV_ERR)) {
- fprintf(stderr, "Failed SetCommMask\n");
+ error_setg(errp, "Failed SetCommMask");
goto fail;
}
cto.ReadIntervalTimeout = MAXDWORD;
if (!SetCommTimeouts(s->hcom, &cto)) {
- fprintf(stderr, "Failed SetCommTimeouts\n");
+ error_setg(errp, "Failed SetCommTimeouts");
goto fail;
}
if (!ClearCommError(s->hcom, &err, &comstat)) {
- fprintf(stderr, "Failed ClearCommError\n");
+ error_setg(errp, "Failed ClearCommError");
goto fail;
}
qemu_add_polling_cb(win_chr_poll, chr);
return 0;
}
-static CharDriverState *qemu_chr_open_win_path(const char *filename)
+static CharDriverState *qemu_chr_open_win_path(const char *filename,
+ ChardevCommon *backend,
+ Error **errp)
{
CharDriverState *chr;
WinCharState *s;
- chr = qemu_chr_alloc();
- s = g_malloc0(sizeof(WinCharState));
+ chr = qemu_chr_alloc(backend, errp);
+ if (!chr) {
+ return NULL;
+ }
+ s = g_new0(WinCharState, 1);
chr->opaque = s;
chr->chr_write = win_chr_write;
chr->chr_close = win_chr_close;
- if (win_chr_init(chr, filename) < 0) {
+ if (win_chr_init(chr, filename, errp) < 0) {
g_free(s);
- g_free(chr);
+ qemu_chr_free_common(chr);
return NULL;
}
return chr;
return 0;
}
-static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
+static int win_chr_pipe_init(CharDriverState *chr, const char *filename,
+ Error **errp)
{
WinCharState *s = chr->opaque;
OVERLAPPED ov;
int ret;
DWORD size;
- char openname[CHR_MAX_FILENAME_SIZE];
+ char *openname;
s->fpipe = TRUE;
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!s->hsend) {
- fprintf(stderr, "Failed CreateEvent\n");
+ error_setg(errp, "Failed CreateEvent");
goto fail;
}
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!s->hrecv) {
- fprintf(stderr, "Failed CreateEvent\n");
+ error_setg(errp, "Failed CreateEvent");
goto fail;
}
- snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
+ openname = g_strdup_printf("\\\\.\\pipe\\%s", filename);
s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
PIPE_WAIT,
MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
+ g_free(openname);
if (s->hcom == INVALID_HANDLE_VALUE) {
- fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
+ error_setg(errp, "Failed CreateNamedPipe (%lu)", GetLastError());
s->hcom = NULL;
goto fail;
}
ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
ret = ConnectNamedPipe(s->hcom, &ov);
if (ret) {
- fprintf(stderr, "Failed ConnectNamedPipe\n");
+ error_setg(errp, "Failed ConnectNamedPipe");
goto fail;
}
ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
if (!ret) {
- fprintf(stderr, "Failed GetOverlappedResult\n");
+ error_setg(errp, "Failed GetOverlappedResult");
if (ov.hEvent) {
CloseHandle(ov.hEvent);
ov.hEvent = NULL;
}
-static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts)
+static CharDriverState *qemu_chr_open_pipe(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
+ ChardevHostdev *opts = backend->u.pipe.data;
const char *filename = opts->device;
CharDriverState *chr;
WinCharState *s;
+ ChardevCommon *common = qapi_ChardevHostdev_base(opts);
- chr = qemu_chr_alloc();
- s = g_malloc0(sizeof(WinCharState));
+ chr = qemu_chr_alloc(common, errp);
+ if (!chr) {
+ return NULL;
+ }
+ s = g_new0(WinCharState, 1);
chr->opaque = s;
chr->chr_write = win_chr_write;
chr->chr_close = win_chr_close;
- if (win_chr_pipe_init(chr, filename) < 0) {
+ if (win_chr_pipe_init(chr, filename, errp) < 0) {
g_free(s);
- g_free(chr);
+ qemu_chr_free_common(chr);
return NULL;
}
return chr;
}
-static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
+static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out,
+ ChardevCommon *backend,
+ Error **errp)
{
CharDriverState *chr;
WinCharState *s;
- chr = qemu_chr_alloc();
- s = g_malloc0(sizeof(WinCharState));
+ chr = qemu_chr_alloc(backend, errp);
+ if (!chr) {
+ return NULL;
+ }
+ s = g_new0(WinCharState, 1);
s->hcom = fd_out;
chr->opaque = s;
chr->chr_write = win_chr_write;
return chr;
}
-static CharDriverState *qemu_chr_open_win_con(void)
+static CharDriverState *qemu_chr_open_win_con(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
- return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
+ ChardevCommon *common = backend->u.console.data;
+ return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE),
+ common, errp);
}
static int win_stdio_write(CharDriverState *chr, const uint8_t *buf, int len)
g_free(chr);
}
-static CharDriverState *qemu_chr_open_stdio(ChardevStdio *opts)
+static CharDriverState *qemu_chr_open_stdio(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
CharDriverState *chr;
WinStdioCharState *stdio;
DWORD dwMode;
int is_console = 0;
+ ChardevCommon *common = qapi_ChardevStdio_base(backend->u.stdio.data);
- chr = qemu_chr_alloc();
- stdio = g_malloc0(sizeof(WinStdioCharState));
+ chr = qemu_chr_alloc(common, errp);
+ if (!chr) {
+ return NULL;
+ }
+ stdio = g_new0(WinStdioCharState, 1);
stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE);
if (stdio->hStdIn == INVALID_HANDLE_VALUE) {
- fprintf(stderr, "cannot open stdio: invalid handle\n");
- exit(1);
+ error_setg(errp, "cannot open stdio: invalid handle");
+ return NULL;
}
is_console = GetConsoleMode(stdio->hStdIn, &dwMode) != 0;
if (is_console) {
if (qemu_add_wait_object(stdio->hStdIn,
win_stdio_wait_func, chr)) {
- fprintf(stderr, "qemu_add_wait_object: failed\n");
+ error_setg(errp, "qemu_add_wait_object: failed");
+ goto err1;
}
} else {
DWORD dwId;
stdio->hInputReadyEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
stdio->hInputDoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
- stdio->hInputThread = CreateThread(NULL, 0, win_stdio_thread,
- chr, 0, &dwId);
-
- if (stdio->hInputThread == INVALID_HANDLE_VALUE
- || stdio->hInputReadyEvent == INVALID_HANDLE_VALUE
+ if (stdio->hInputReadyEvent == INVALID_HANDLE_VALUE
|| stdio->hInputDoneEvent == INVALID_HANDLE_VALUE) {
- fprintf(stderr, "cannot create stdio thread or event\n");
- exit(1);
+ error_setg(errp, "cannot create event");
+ goto err2;
}
if (qemu_add_wait_object(stdio->hInputReadyEvent,
win_stdio_thread_wait_func, chr)) {
- fprintf(stderr, "qemu_add_wait_object: failed\n");
+ error_setg(errp, "qemu_add_wait_object: failed");
+ goto err2;
+ }
+ stdio->hInputThread = CreateThread(NULL, 0, win_stdio_thread,
+ chr, 0, &dwId);
+
+ if (stdio->hInputThread == INVALID_HANDLE_VALUE) {
+ error_setg(errp, "cannot create stdio thread");
+ goto err3;
}
}
qemu_chr_fe_set_echo(chr, false);
return chr;
+
+err3:
+ qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL);
+err2:
+ CloseHandle(stdio->hInputReadyEvent);
+ CloseHandle(stdio->hInputDoneEvent);
+err1:
+ qemu_del_wait_object(stdio->hStdIn, NULL, NULL);
+ return NULL;
}
#endif /* !_WIN32 */
/* UDP Net console */
typedef struct {
- int fd;
- GIOChannel *chan;
+ QIOChannel *ioc;
uint8_t buf[READ_BUF_LEN];
int bufcnt;
int bufptr;
static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
NetCharDriver *s = chr->opaque;
- gsize bytes_written;
- GIOStatus status;
-
- status = g_io_channel_write_chars(s->chan, (const gchar *)buf, len, &bytes_written, NULL);
- if (status == G_IO_STATUS_EOF) {
- return 0;
- } else if (status != G_IO_STATUS_NORMAL) {
- return -1;
- }
- return bytes_written;
+ return qio_channel_write(
+ s->ioc, (const char *)buf, len, NULL);
}
static int udp_chr_read_poll(void *opaque)
return s->max_size;
}
-static gboolean udp_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque)
+static gboolean udp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque)
{
CharDriverState *chr = opaque;
NetCharDriver *s = chr->opaque;
- gsize bytes_read = 0;
- GIOStatus status;
+ ssize_t ret;
if (s->max_size == 0) {
return TRUE;
}
- status = g_io_channel_read_chars(s->chan, (gchar *)s->buf, sizeof(s->buf),
- &bytes_read, NULL);
- s->bufcnt = bytes_read;
- s->bufptr = s->bufcnt;
- if (status != G_IO_STATUS_NORMAL) {
+ 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) {
NetCharDriver *s = chr->opaque;
remove_fd_in_watch(chr);
- if (s->chan) {
- chr->fd_in_tag = io_add_watch_poll(s->chan, udp_chr_read_poll,
+ if (s->ioc) {
+ chr->fd_in_tag = io_add_watch_poll(s->ioc,
+ udp_chr_read_poll,
udp_chr_read, chr);
}
}
NetCharDriver *s = chr->opaque;
remove_fd_in_watch(chr);
- if (s->chan) {
- g_io_channel_unref(s->chan);
- closesocket(s->fd);
+ if (s->ioc) {
+ object_unref(OBJECT(s->ioc));
}
g_free(s);
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
-static CharDriverState *qemu_chr_open_udp_fd(int fd)
+static CharDriverState *qemu_chr_open_udp(QIOChannelSocket *sioc,
+ ChardevCommon *backend,
+ Error **errp)
{
CharDriverState *chr = NULL;
NetCharDriver *s = NULL;
- chr = qemu_chr_alloc();
- s = g_malloc0(sizeof(NetCharDriver));
+ chr = qemu_chr_alloc(backend, errp);
+ if (!chr) {
+ return NULL;
+ }
+ s = g_new0(NetCharDriver, 1);
- s->fd = fd;
- s->chan = io_channel_from_socket(s->fd);
+ s->ioc = QIO_CHANNEL(sioc);
s->bufcnt = 0;
s->bufptr = 0;
chr->opaque = s;
/* TCP Net console */
typedef struct {
-
- GIOChannel *chan, *listen_chan;
+ QIOChannel *ioc; /* Client I/O channel */
+ QIOChannelSocket *sioc; /* Client master channel */
+ QIOChannelSocket *listen_ioc;
guint listen_tag;
- int fd, listen_fd;
+ QCryptoTLSCreds *tls_creds;
int connected;
int max_size;
int do_telnetopt;
int do_nodelay;
int is_unix;
int *read_msgfds;
- int read_msgfds_num;
+ size_t read_msgfds_num;
int *write_msgfds;
- int write_msgfds_num;
+ size_t write_msgfds_num;
SocketAddress *addr;
bool is_listen;
qemu_chr_socket_restart_timer(chr);
}
-static gboolean tcp_chr_accept(GIOChannel *chan, GIOCondition cond, void *opaque);
+static gboolean tcp_chr_accept(QIOChannel *chan,
+ GIOCondition cond,
+ void *opaque);
-#ifndef _WIN32
-static int unix_send_msgfds(CharDriverState *chr, const uint8_t *buf, int len)
+/* Called with chr_write_lock held. */
+static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
TCPCharDriver *s = chr->opaque;
- struct msghdr msgh;
- struct iovec iov;
- int r;
-
- size_t fd_size = s->write_msgfds_num * sizeof(int);
- char control[CMSG_SPACE(fd_size)];
- struct cmsghdr *cmsg;
+ if (s->connected) {
+ int ret = io_channel_send_full(s->ioc, buf, len,
+ s->write_msgfds,
+ s->write_msgfds_num);
+
+ /* free the written msgfds, no matter what */
+ if (s->write_msgfds_num) {
+ g_free(s->write_msgfds);
+ s->write_msgfds = 0;
+ s->write_msgfds_num = 0;
+ }
- memset(&msgh, 0, sizeof(msgh));
- memset(control, 0, sizeof(control));
-
- /* set the payload */
- iov.iov_base = (uint8_t *) buf;
- iov.iov_len = len;
-
- msgh.msg_iov = &iov;
- msgh.msg_iovlen = 1;
-
- msgh.msg_control = control;
- msgh.msg_controllen = sizeof(control);
-
- cmsg = CMSG_FIRSTHDR(&msgh);
-
- cmsg->cmsg_len = CMSG_LEN(fd_size);
- cmsg->cmsg_level = SOL_SOCKET;
- cmsg->cmsg_type = SCM_RIGHTS;
- memcpy(CMSG_DATA(cmsg), s->write_msgfds, fd_size);
-
- do {
- r = sendmsg(s->fd, &msgh, 0);
- } while (r < 0 && errno == EINTR);
-
- /* free the written msgfds, no matter what */
- if (s->write_msgfds_num) {
- g_free(s->write_msgfds);
- s->write_msgfds = 0;
- s->write_msgfds_num = 0;
- }
-
- return r;
-}
-#endif
-
-/* Called with chr_write_lock held. */
-static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
-{
- TCPCharDriver *s = chr->opaque;
- if (s->connected) {
-#ifndef _WIN32
- if (s->is_unix && s->write_msgfds_num) {
- return unix_send_msgfds(chr, buf, len);
- } else
-#endif
- {
- return io_channel_send(s->chan, buf, len);
- }
+ return ret;
} else {
/* XXX: indicate an error ? */
return len;
{
TCPCharDriver *s = chr->opaque;
- /* clear old pending fd array */
- if (s->write_msgfds) {
- g_free(s->write_msgfds);
+ if (!qio_channel_has_feature(s->ioc,
+ QIO_CHANNEL_FEATURE_FD_PASS)) {
+ return -1;
}
+ /* clear old pending fd array */
+ g_free(s->write_msgfds);
+ s->write_msgfds = NULL;
if (num) {
- s->write_msgfds = g_malloc(num * sizeof(int));
+ s->write_msgfds = g_new(int, num);
memcpy(s->write_msgfds, fds, num * sizeof(int));
}
return 0;
}
-#ifndef _WIN32
-static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg)
+static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len)
{
TCPCharDriver *s = chr->opaque;
- struct cmsghdr *cmsg;
-
- for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {
- int fd_size, i;
-
- if (cmsg->cmsg_len < CMSG_LEN(sizeof(int)) ||
- cmsg->cmsg_level != SOL_SOCKET ||
- cmsg->cmsg_type != SCM_RIGHTS) {
- continue;
- }
-
- fd_size = cmsg->cmsg_len - CMSG_LEN(0);
+ struct iovec iov = { .iov_base = buf, .iov_len = len };
+ int ret;
+ size_t i;
+ int *msgfds = NULL;
+ size_t msgfds_num = 0;
+
+ if (qio_channel_has_feature(s->ioc, QIO_CHANNEL_FEATURE_FD_PASS)) {
+ ret = qio_channel_readv_full(s->ioc, &iov, 1,
+ &msgfds, &msgfds_num,
+ NULL);
+ } else {
+ ret = qio_channel_readv_full(s->ioc, &iov, 1,
+ NULL, NULL,
+ NULL);
+ }
- if (!fd_size) {
- continue;
- }
+ if (ret == QIO_CHANNEL_ERR_BLOCK) {
+ errno = EAGAIN;
+ ret = -1;
+ } else if (ret == -1) {
+ errno = EIO;
+ }
+ if (msgfds_num) {
/* close and clean read_msgfds */
for (i = 0; i < s->read_msgfds_num; i++) {
close(s->read_msgfds[i]);
g_free(s->read_msgfds);
}
- s->read_msgfds_num = fd_size / sizeof(int);
- s->read_msgfds = g_malloc(fd_size);
- memcpy(s->read_msgfds, CMSG_DATA(cmsg), fd_size);
-
- for (i = 0; i < s->read_msgfds_num; i++) {
- int fd = s->read_msgfds[i];
- if (fd < 0) {
- continue;
- }
-
- /* O_NONBLOCK is preserved across SCM_RIGHTS so reset it */
- qemu_set_block(fd);
-
- #ifndef MSG_CMSG_CLOEXEC
- qemu_set_cloexec(fd);
- #endif
- }
+ s->read_msgfds = msgfds;
+ s->read_msgfds_num = msgfds_num;
}
-}
-
-static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len)
-{
- TCPCharDriver *s = chr->opaque;
- struct msghdr msg = { NULL, };
- struct iovec iov[1];
- union {
- struct cmsghdr cmsg;
- char control[CMSG_SPACE(sizeof(int) * TCP_MAX_FDS)];
- } msg_control;
- int flags = 0;
- ssize_t ret;
- iov[0].iov_base = buf;
- iov[0].iov_len = len;
+ for (i = 0; i < s->read_msgfds_num; i++) {
+ int fd = s->read_msgfds[i];
+ if (fd < 0) {
+ continue;
+ }
- msg.msg_iov = iov;
- msg.msg_iovlen = 1;
- msg.msg_control = &msg_control;
- msg.msg_controllen = sizeof(msg_control);
+ /* O_NONBLOCK is preserved across SCM_RIGHTS so reset it */
+ qemu_set_block(fd);
-#ifdef MSG_CMSG_CLOEXEC
- flags |= MSG_CMSG_CLOEXEC;
+#ifndef MSG_CMSG_CLOEXEC
+ qemu_set_cloexec(fd);
#endif
- do {
- ret = recvmsg(s->fd, &msg, flags);
- } while (ret == -1 && errno == EINTR);
-
- if (ret > 0 && s->is_unix) {
- unix_process_msgfd(chr, &msg);
}
return ret;
}
-#else
-static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len)
-{
- TCPCharDriver *s = chr->opaque;
- ssize_t ret;
-
- do {
- ret = qemu_recv(s->fd, buf, len, 0);
- } while (ret == -1 && socket_error() == EINTR);
-
- return ret;
-}
-#endif
static GSource *tcp_chr_add_watch(CharDriverState *chr, GIOCondition cond)
{
TCPCharDriver *s = chr->opaque;
- return g_io_create_watch(s->chan, cond);
+ return qio_channel_create_watch(s->ioc, cond);
}
static void tcp_chr_disconnect(CharDriverState *chr)
{
TCPCharDriver *s = chr->opaque;
+ if (!s->connected) {
+ return;
+ }
+
s->connected = 0;
- if (s->listen_chan) {
- s->listen_tag = g_io_add_watch(s->listen_chan, G_IO_IN,
- tcp_chr_accept, chr);
+ if (s->listen_ioc) {
+ s->listen_tag = qio_channel_add_watch(
+ QIO_CHANNEL(s->listen_ioc), G_IO_IN, tcp_chr_accept, chr, NULL);
}
+ tcp_set_msgfds(chr, NULL, 0);
remove_fd_in_watch(chr);
- g_io_channel_unref(s->chan);
- s->chan = NULL;
- closesocket(s->fd);
- s->fd = -1;
- SocketAddress_to_str(chr->filename, CHR_MAX_FILENAME_SIZE,
- "disconnected:", s->addr, s->is_listen, s->is_telnet);
+ object_unref(OBJECT(s->sioc));
+ s->sioc = NULL;
+ object_unref(OBJECT(s->ioc));
+ s->ioc = NULL;
+ g_free(chr->filename);
+ chr->filename = SocketAddress_to_str("disconnected:", s->addr,
+ s->is_listen, s->is_telnet);
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
if (s->reconnect_time) {
qemu_chr_socket_restart_timer(chr);
}
}
-static gboolean tcp_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque)
+static gboolean tcp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque)
{
CharDriverState *chr = opaque;
TCPCharDriver *s = chr->opaque;
if (len > s->max_size)
len = s->max_size;
size = tcp_chr_recv(chr, (void *)buf, len);
- if (size == 0 ||
- (size < 0 &&
- socket_error() != EAGAIN && socket_error() != EWOULDBLOCK)) {
+ if (size == 0 || size == -1) {
/* connection closed */
tcp_chr_disconnect(chr);
} else if (size > 0) {
return size;
}
-#ifndef _WIN32
-CharDriverState *qemu_chr_open_eventfd(int eventfd)
-{
- CharDriverState *chr = qemu_chr_open_fd(eventfd, eventfd);
-
- if (chr) {
- chr->avail_connections = 1;
- }
-
- return chr;
-}
-#endif
-
static void tcp_chr_connect(void *opaque)
{
CharDriverState *chr = opaque;
TCPCharDriver *s = chr->opaque;
- struct sockaddr_storage ss, ps;
- socklen_t ss_len = sizeof(ss), ps_len = sizeof(ps);
-
- memset(&ss, 0, ss_len);
- if (getsockname(s->fd, (struct sockaddr *) &ss, &ss_len) != 0) {
- snprintf(chr->filename, CHR_MAX_FILENAME_SIZE,
- "Error in getsockname: %s\n", strerror(errno));
- } else if (getpeername(s->fd, (struct sockaddr *) &ps, &ps_len) != 0) {
- snprintf(chr->filename, CHR_MAX_FILENAME_SIZE,
- "Error in getpeername: %s\n", strerror(errno));
- } else {
- sockaddr_to_str(chr->filename, CHR_MAX_FILENAME_SIZE,
- &ss, ss_len, &ps, ps_len,
- s->is_listen, s->is_telnet);
- }
+
+ g_free(chr->filename);
+ chr->filename = sockaddr_to_str(
+ &s->sioc->localAddr, s->sioc->localAddrLen,
+ &s->sioc->remoteAddr, s->sioc->remoteAddrLen,
+ s->is_listen, s->is_telnet);
s->connected = 1;
- if (s->chan) {
- chr->fd_in_tag = io_add_watch_poll(s->chan, tcp_chr_read_poll,
+ if (s->ioc) {
+ chr->fd_in_tag = io_add_watch_poll(s->ioc,
+ tcp_chr_read_poll,
tcp_chr_read, chr);
}
qemu_chr_be_generic_open(chr);
{
TCPCharDriver *s = chr->opaque;
+ if (!s->connected) {
+ return;
+ }
+
remove_fd_in_watch(chr);
- if (s->chan) {
- chr->fd_in_tag = io_add_watch_poll(s->chan, tcp_chr_read_poll,
+ if (s->ioc) {
+ chr->fd_in_tag = io_add_watch_poll(s->ioc,
+ tcp_chr_read_poll,
tcp_chr_read, chr);
}
}
-#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
-static void tcp_chr_telnet_init(int fd)
+typedef struct {
+ CharDriverState *chr;
+ char buf[12];
+ size_t buflen;
+} TCPCharDriverTelnetInit;
+
+static gboolean tcp_chr_telnet_init_io(QIOChannel *ioc,
+ GIOCondition cond G_GNUC_UNUSED,
+ gpointer user_data)
{
- char buf[3];
- /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
- IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
- send(fd, (char *)buf, 3, 0);
- IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
- send(fd, (char *)buf, 3, 0);
- IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
- send(fd, (char *)buf, 3, 0);
- IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
- send(fd, (char *)buf, 3, 0);
+ TCPCharDriverTelnetInit *init = user_data;
+ ssize_t ret;
+
+ ret = qio_channel_write(ioc, init->buf, init->buflen, NULL);
+ if (ret < 0) {
+ if (ret == QIO_CHANNEL_ERR_BLOCK) {
+ ret = 0;
+ } else {
+ tcp_chr_disconnect(init->chr);
+ return FALSE;
+ }
+ }
+ init->buflen -= ret;
+
+ if (init->buflen == 0) {
+ tcp_chr_connect(init->chr);
+ return FALSE;
+ }
+
+ memmove(init->buf, init->buf + ret, init->buflen);
+
+ return TRUE;
}
-static int tcp_chr_add_client(CharDriverState *chr, int fd)
+static void tcp_chr_telnet_init(CharDriverState *chr)
+{
+ TCPCharDriver *s = chr->opaque;
+ TCPCharDriverTelnetInit *init =
+ g_new0(TCPCharDriverTelnetInit, 1);
+ size_t n = 0;
+
+ init->chr = chr;
+ init->buflen = 12;
+
+#define IACSET(x, a, b, c) \
+ do { \
+ x[n++] = a; \
+ x[n++] = b; \
+ x[n++] = c; \
+ } while (0)
+
+ /* Prep the telnet negotion to put telnet in binary,
+ * no echo, single char mode */
+ IACSET(init->buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
+ IACSET(init->buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
+ IACSET(init->buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
+ IACSET(init->buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
+
+#undef IACSET
+
+ qio_channel_add_watch(
+ s->ioc, G_IO_OUT,
+ tcp_chr_telnet_init_io,
+ init, NULL);
+}
+
+
+static void tcp_chr_tls_handshake(Object *source,
+ Error *err,
+ gpointer user_data)
+{
+ CharDriverState *chr = user_data;
+ TCPCharDriver *s = chr->opaque;
+
+ if (err) {
+ tcp_chr_disconnect(chr);
+ } else {
+ if (s->do_telnetopt) {
+ tcp_chr_telnet_init(chr);
+ } else {
+ tcp_chr_connect(chr);
+ }
+ }
+}
+
+
+static void tcp_chr_tls_init(CharDriverState *chr)
+{
+ TCPCharDriver *s = chr->opaque;
+ QIOChannelTLS *tioc;
+ Error *err = NULL;
+
+ if (s->is_listen) {
+ tioc = qio_channel_tls_new_server(
+ s->ioc, s->tls_creds,
+ NULL, /* XXX Use an ACL */
+ &err);
+ } else {
+ tioc = qio_channel_tls_new_client(
+ s->ioc, s->tls_creds,
+ s->addr->u.inet.data->host,
+ &err);
+ }
+ if (tioc == NULL) {
+ error_free(err);
+ tcp_chr_disconnect(chr);
+ }
+ object_unref(OBJECT(s->ioc));
+ s->ioc = QIO_CHANNEL(tioc);
+
+ qio_channel_tls_handshake(tioc,
+ tcp_chr_tls_handshake,
+ chr,
+ NULL);
+}
+
+
+static int tcp_chr_new_client(CharDriverState *chr, QIOChannelSocket *sioc)
{
TCPCharDriver *s = chr->opaque;
- if (s->fd != -1)
+ if (s->ioc != NULL) {
return -1;
+ }
- qemu_set_nonblock(fd);
- if (s->do_nodelay)
- socket_set_nodelay(fd);
- s->fd = fd;
- s->chan = io_channel_from_socket(fd);
+ s->ioc = QIO_CHANNEL(sioc);
+ object_ref(OBJECT(sioc));
+ s->sioc = sioc;
+ object_ref(OBJECT(sioc));
+
+ qio_channel_set_blocking(s->ioc, false, NULL);
+
+ if (s->do_nodelay) {
+ qio_channel_set_delay(s->ioc, false);
+ }
if (s->listen_tag) {
g_source_remove(s->listen_tag);
s->listen_tag = 0;
}
- tcp_chr_connect(chr);
+
+ if (s->tls_creds) {
+ tcp_chr_tls_init(chr);
+ } else {
+ if (s->do_telnetopt) {
+ tcp_chr_telnet_init(chr);
+ } else {
+ tcp_chr_connect(chr);
+ }
+ }
return 0;
}
-static gboolean tcp_chr_accept(GIOChannel *channel, GIOCondition cond, void *opaque)
+
+static int tcp_chr_add_client(CharDriverState *chr, int fd)
+{
+ int ret;
+ QIOChannelSocket *sioc;
+
+ sioc = qio_channel_socket_new_fd(fd, NULL);
+ if (!sioc) {
+ return -1;
+ }
+ ret = tcp_chr_new_client(chr, sioc);
+ object_unref(OBJECT(sioc));
+ return ret;
+}
+
+static gboolean tcp_chr_accept(QIOChannel *channel,
+ GIOCondition cond,
+ void *opaque)
{
CharDriverState *chr = opaque;
- TCPCharDriver *s = chr->opaque;
- struct sockaddr_in saddr;
-#ifndef _WIN32
- struct sockaddr_un uaddr;
-#endif
- struct sockaddr *addr;
- socklen_t len;
- int fd;
+ QIOChannelSocket *sioc;
- for(;;) {
-#ifndef _WIN32
- if (s->is_unix) {
- len = sizeof(uaddr);
- addr = (struct sockaddr *)&uaddr;
- } else
-#endif
- {
- len = sizeof(saddr);
- addr = (struct sockaddr *)&saddr;
- }
- fd = qemu_accept(s->listen_fd, addr, &len);
- if (fd < 0 && errno != EINTR) {
- s->listen_tag = 0;
- return FALSE;
- } else if (fd >= 0) {
- if (s->do_telnetopt)
- tcp_chr_telnet_init(fd);
- break;
- }
+ sioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(channel),
+ NULL);
+ if (!sioc) {
+ return TRUE;
}
- if (tcp_chr_add_client(chr, fd) < 0)
- close(fd);
+
+ tcp_chr_new_client(chr, sioc);
+
+ object_unref(OBJECT(sioc));
return TRUE;
}
s->reconnect_timer = 0;
}
qapi_free_SocketAddress(s->addr);
- if (s->fd >= 0) {
- remove_fd_in_watch(chr);
- if (s->chan) {
- g_io_channel_unref(s->chan);
- }
- closesocket(s->fd);
+ remove_fd_in_watch(chr);
+ if (s->ioc) {
+ object_unref(OBJECT(s->ioc));
}
- if (s->listen_fd >= 0) {
- if (s->listen_tag) {
- g_source_remove(s->listen_tag);
- s->listen_tag = 0;
- }
- if (s->listen_chan) {
- g_io_channel_unref(s->listen_chan);
- }
- closesocket(s->listen_fd);
+ if (s->listen_tag) {
+ g_source_remove(s->listen_tag);
+ s->listen_tag = 0;
+ }
+ if (s->listen_ioc) {
+ object_unref(OBJECT(s->listen_ioc));
}
if (s->read_msgfds_num) {
for (i = 0; i < s->read_msgfds_num; i++) {
}
g_free(s->read_msgfds);
}
+ if (s->tls_creds) {
+ object_unref(OBJECT(s->tls_creds));
+ }
if (s->write_msgfds_num) {
g_free(s->write_msgfds);
}
qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
-static void qemu_chr_finish_socket_connection(CharDriverState *chr, int fd)
-{
- TCPCharDriver *s = chr->opaque;
-
- if (s->is_listen) {
- s->listen_fd = fd;
- s->listen_chan = io_channel_from_socket(s->listen_fd);
- s->listen_tag = g_io_add_watch(s->listen_chan, G_IO_IN,
- tcp_chr_accept, chr);
- } else {
- s->connected = 1;
- s->fd = fd;
- socket_set_nodelay(fd);
- s->chan = io_channel_from_socket(s->fd);
- tcp_chr_connect(chr);
- }
-}
-static void qemu_chr_socket_connected(int fd, Error *err, void *opaque)
+static void qemu_chr_socket_connected(Object *src, Error *err, void *opaque)
{
+ QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(src);
CharDriverState *chr = opaque;
TCPCharDriver *s = chr->opaque;
- if (fd < 0) {
+ if (err) {
check_report_connect_error(chr, err);
+ object_unref(src);
return;
}
s->connect_err_reported = false;
- qemu_chr_finish_socket_connection(chr, fd);
+ tcp_chr_new_client(chr, sioc);
+ object_unref(OBJECT(sioc));
}
-static bool qemu_chr_open_socket_fd(CharDriverState *chr, Error **errp)
-{
- TCPCharDriver *s = chr->opaque;
- int fd;
-
- if (s->is_listen) {
- fd = socket_listen(s->addr, errp);
- } else if (s->reconnect_time) {
- fd = socket_connect(s->addr, errp, qemu_chr_socket_connected, chr);
- return fd >= 0;
- } else {
- fd = socket_connect(s->addr, errp, NULL, NULL);
- }
- if (fd < 0) {
- return false;
- }
-
- qemu_chr_finish_socket_connection(chr, fd);
- return true;
-}
/*********************************************************/
/* Ring buffer chardev */
chr->opaque = NULL;
}
-static CharDriverState *qemu_chr_open_ringbuf(ChardevRingbuf *opts,
+static CharDriverState *qemu_chr_open_ringbuf(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
Error **errp)
{
+ ChardevRingbuf *opts = backend->u.ringbuf.data;
+ ChardevCommon *common = qapi_ChardevRingbuf_base(opts);
CharDriverState *chr;
RingBufCharDriver *d;
- chr = qemu_chr_alloc();
+ chr = qemu_chr_alloc(common, errp);
+ if (!chr) {
+ return NULL;
+ }
d = g_malloc(sizeof(*d));
d->size = opts->has_size ? opts->size : 65536;
fail:
g_free(d);
- g_free(chr);
+ qemu_chr_free_common(chr);
return NULL;
}
}
if (has_format && (format == DATA_FORMAT_BASE64)) {
- write_data = g_base64_decode(data, &write_count);
+ write_data = qbase64_decode(data, -1,
+ &write_count,
+ errp);
+ if (!write_data) {
+ return;
+ }
} else {
write_data = (uint8_t *)data;
write_count = strlen(data);
return NULL;
}
+void qemu_chr_parse_common(QemuOpts *opts, ChardevCommon *backend)
+{
+ const char *logfile = qemu_opt_get(opts, "logfile");
+
+ backend->has_logfile = logfile != NULL;
+ backend->logfile = logfile ? g_strdup(logfile) : NULL;
+
+ backend->has_logappend = true;
+ backend->logappend = qemu_opt_get_bool(opts, "logappend", false);
+}
+
+
static void qemu_chr_parse_file_out(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
const char *path = qemu_opt_get(opts, "path");
+ ChardevFile *file;
if (path == NULL) {
error_setg(errp, "chardev: file: no filename given");
return;
}
- backend->file = g_new0(ChardevFile, 1);
- backend->file->out = g_strdup(path);
+ file = backend->u.file.data = g_new0(ChardevFile, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevFile_base(file));
+ file->out = g_strdup(path);
+
+ file->has_append = true;
+ file->append = qemu_opt_get_bool(opts, "append", false);
}
static void qemu_chr_parse_stdio(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
- backend->stdio = g_new0(ChardevStdio, 1);
- backend->stdio->has_signal = true;
- backend->stdio->signal = qemu_opt_get_bool(opts, "signal", true);
+ ChardevStdio *stdio;
+
+ stdio = backend->u.stdio.data = g_new0(ChardevStdio, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevStdio_base(stdio));
+ stdio->has_signal = true;
+ stdio->signal = qemu_opt_get_bool(opts, "signal", true);
}
+#ifdef HAVE_CHARDEV_SERIAL
static void qemu_chr_parse_serial(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
const char *device = qemu_opt_get(opts, "path");
+ ChardevHostdev *serial;
if (device == NULL) {
error_setg(errp, "chardev: serial/tty: no device path given");
return;
}
- backend->serial = g_new0(ChardevHostdev, 1);
- backend->serial->device = g_strdup(device);
+ serial = backend->u.serial.data = g_new0(ChardevHostdev, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(serial));
+ serial->device = g_strdup(device);
}
+#endif
+#ifdef HAVE_CHARDEV_PARPORT
static void qemu_chr_parse_parallel(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
const char *device = qemu_opt_get(opts, "path");
+ ChardevHostdev *parallel;
if (device == NULL) {
error_setg(errp, "chardev: parallel: no device path given");
return;
}
- backend->parallel = g_new0(ChardevHostdev, 1);
- backend->parallel->device = g_strdup(device);
+ parallel = backend->u.parallel.data = g_new0(ChardevHostdev, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(parallel));
+ parallel->device = g_strdup(device);
}
+#endif
static void qemu_chr_parse_pipe(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
const char *device = qemu_opt_get(opts, "path");
+ ChardevHostdev *dev;
if (device == NULL) {
error_setg(errp, "chardev: pipe: no device path given");
return;
}
- backend->pipe = g_new0(ChardevHostdev, 1);
- backend->pipe->device = g_strdup(device);
+ dev = backend->u.pipe.data = g_new0(ChardevHostdev, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(dev));
+ dev->device = g_strdup(device);
}
static void qemu_chr_parse_ringbuf(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
int val;
+ ChardevRingbuf *ringbuf;
- backend->ringbuf = g_new0(ChardevRingbuf, 1);
+ ringbuf = backend->u.ringbuf.data = g_new0(ChardevRingbuf, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevRingbuf_base(ringbuf));
val = qemu_opt_get_size(opts, "size", 0);
if (val != 0) {
- backend->ringbuf->has_size = true;
- backend->ringbuf->size = val;
+ ringbuf->has_size = true;
+ ringbuf->size = val;
}
}
Error **errp)
{
const char *chardev = qemu_opt_get(opts, "chardev");
+ ChardevMux *mux;
if (chardev == NULL) {
error_setg(errp, "chardev: mux: no chardev given");
return;
}
- backend->mux = g_new0(ChardevMux, 1);
- backend->mux->chardev = g_strdup(chardev);
+ mux = backend->u.mux.data = g_new0(ChardevMux, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevMux_base(mux));
+ mux->chardev = g_strdup(chardev);
}
static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
const char *path = qemu_opt_get(opts, "path");
const char *host = qemu_opt_get(opts, "host");
const char *port = qemu_opt_get(opts, "port");
+ const char *tls_creds = qemu_opt_get(opts, "tls-creds");
SocketAddress *addr;
+ ChardevSocket *sock;
if (!path) {
if (!host) {
error_setg(errp, "chardev: socket: no port given");
return;
}
+ } else {
+ if (tls_creds) {
+ error_setg(errp, "TLS can only be used over TCP socket");
+ return;
+ }
}
- backend->socket = g_new0(ChardevSocket, 1);
+ sock = backend->u.socket.data = g_new0(ChardevSocket, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevSocket_base(sock));
- backend->socket->has_nodelay = true;
- backend->socket->nodelay = do_nodelay;
- backend->socket->has_server = true;
- backend->socket->server = is_listen;
- backend->socket->has_telnet = true;
- backend->socket->telnet = is_telnet;
- backend->socket->has_wait = true;
- backend->socket->wait = is_waitconnect;
- backend->socket->has_reconnect = true;
- backend->socket->reconnect = reconnect;
+ sock->has_nodelay = true;
+ sock->nodelay = do_nodelay;
+ sock->has_server = true;
+ sock->server = is_listen;
+ sock->has_telnet = true;
+ sock->telnet = is_telnet;
+ sock->has_wait = true;
+ sock->wait = is_waitconnect;
+ sock->has_reconnect = true;
+ sock->reconnect = reconnect;
+ sock->tls_creds = g_strdup(tls_creds);
addr = g_new0(SocketAddress, 1);
if (path) {
- addr->kind = SOCKET_ADDRESS_KIND_UNIX;
- addr->q_unix = g_new0(UnixSocketAddress, 1);
- addr->q_unix->path = g_strdup(path);
+ UnixSocketAddress *q_unix;
+ addr->type = SOCKET_ADDRESS_KIND_UNIX;
+ q_unix = addr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
+ q_unix->path = g_strdup(path);
} else {
- addr->kind = SOCKET_ADDRESS_KIND_INET;
- addr->inet = g_new0(InetSocketAddress, 1);
- addr->inet->host = g_strdup(host);
- addr->inet->port = g_strdup(port);
- addr->inet->has_to = qemu_opt_get(opts, "to");
- addr->inet->to = qemu_opt_get_number(opts, "to", 0);
- addr->inet->has_ipv4 = qemu_opt_get(opts, "ipv4");
- addr->inet->ipv4 = qemu_opt_get_bool(opts, "ipv4", 0);
- addr->inet->has_ipv6 = qemu_opt_get(opts, "ipv6");
- addr->inet->ipv6 = qemu_opt_get_bool(opts, "ipv6", 0);
- }
- backend->socket->addr = addr;
+ 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_to = qemu_opt_get(opts, "to"),
+ .to = qemu_opt_get_number(opts, "to", 0),
+ .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),
+ };
+ }
+ sock->addr = addr;
}
static void qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend,
const char *localport = qemu_opt_get(opts, "localport");
bool has_local = false;
SocketAddress *addr;
+ ChardevUdp *udp;
if (host == NULL || strlen(host) == 0) {
host = "localhost";
has_local = true;
}
- backend->udp = g_new0(ChardevUdp, 1);
+ udp = backend->u.udp.data = g_new0(ChardevUdp, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevUdp_base(udp));
addr = g_new0(SocketAddress, 1);
- addr->kind = SOCKET_ADDRESS_KIND_INET;
- addr->inet = g_new0(InetSocketAddress, 1);
- addr->inet->host = g_strdup(host);
- addr->inet->port = g_strdup(port);
- addr->inet->has_ipv4 = qemu_opt_get(opts, "ipv4");
- addr->inet->ipv4 = qemu_opt_get_bool(opts, "ipv4", 0);
- addr->inet->has_ipv6 = qemu_opt_get(opts, "ipv6");
- addr->inet->ipv6 = qemu_opt_get_bool(opts, "ipv6", 0);
- backend->udp->remote = addr;
+ 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) {
- backend->udp->has_local = true;
+ udp->has_local = true;
addr = g_new0(SocketAddress, 1);
- addr->kind = SOCKET_ADDRESS_KIND_INET;
- addr->inet = g_new0(InetSocketAddress, 1);
- addr->inet->host = g_strdup(localaddr);
- addr->inet->port = g_strdup(localport);
- backend->udp->local = addr;
+ 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;
}
}
const char *name;
ChardevBackendKind kind;
void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp);
+ CharDriverState *(*create)(const char *id, ChardevBackend *backend,
+ ChardevReturn *ret, Error **errp);
} CharDriver;
static GSList *backends;
void register_char_driver(const char *name, ChardevBackendKind kind,
- void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp))
+ void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp),
+ CharDriverState *(*create)(const char *id, ChardevBackend *backend,
+ ChardevReturn *ret, Error **errp))
{
CharDriver *s;
s->name = g_strdup(name);
s->kind = kind;
s->parse = parse;
+ s->create = create;
backends = g_slist_append(backends, s);
}
}
chr = NULL;
- backend->kind = cd->kind;
+ backend->type = cd->kind;
if (cd->parse) {
cd->parse(opts, backend, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto qapi_out;
}
+ } else {
+ ChardevCommon *cc = g_new0(ChardevCommon, 1);
+ qemu_chr_parse_common(opts, cc);
+ backend->u.null.data = cc; /* Any ChardevCommon member would work */
}
+
ret = qmp_chardev_add(bid ? bid : id, backend, errp);
if (!ret) {
goto qapi_out;
qapi_free_ChardevBackend(backend);
qapi_free_ChardevReturn(ret);
backend = g_new0(ChardevBackend, 1);
- backend->mux = g_new0(ChardevMux, 1);
- backend->kind = CHARDEV_BACKEND_KIND_MUX;
- backend->mux->chardev = g_strdup(bid);
+ backend->u.mux.data = g_new0(ChardevMux, 1);
+ backend->type = CHARDEV_BACKEND_KIND_MUX;
+ backend->u.mux.data->chardev = g_strdup(bid);
ret = qmp_chardev_add(id, backend, errp);
if (!ret) {
chr = qemu_chr_find(bid);
return NULL;
}
-CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*init)(struct CharDriverState *s))
+CharDriverState *qemu_chr_new_noreplay(const char *label, const char *filename,
+ void (*init)(struct CharDriverState *s))
{
const char *p;
CharDriverState *chr;
return chr;
}
+CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*init)(struct CharDriverState *s))
+{
+ CharDriverState *chr;
+ chr = qemu_chr_new_noreplay(label, filename, init);
+ if (chr) {
+ chr->replay = replay_mode != REPLAY_MODE_NONE;
+ if (chr->replay && chr->chr_ioctl) {
+ fprintf(stderr,
+ "Replay: ioctl is not supported for serial devices yet\n");
+ }
+ replay_register_char_driver(chr);
+ }
+ return chr;
+}
+
void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo)
{
if (chr->chr_set_echo) {
s->avail_connections++;
}
-void qemu_chr_delete(CharDriverState *chr)
+static void qemu_chr_free_common(CharDriverState *chr)
{
- QTAILQ_REMOVE(&chardevs, chr, next);
- if (chr->chr_close) {
- chr->chr_close(chr);
- }
g_free(chr->filename);
g_free(chr->label);
qemu_opts_del(chr->opts);
+ if (chr->logfd != -1) {
+ close(chr->logfd);
+ }
+ qemu_mutex_destroy(&chr->chr_write_lock);
g_free(chr);
}
+void qemu_chr_free(CharDriverState *chr)
+{
+ if (chr->chr_close) {
+ chr->chr_close(chr);
+ }
+ qemu_chr_free_common(chr);
+}
+
+void qemu_chr_delete(CharDriverState *chr)
+{
+ QTAILQ_REMOVE(&chardevs, chr, next);
+ qemu_chr_free(chr);
+}
+
ChardevInfoList *qmp_query_chardev(Error **errp)
{
ChardevInfoList *chr_list = NULL;
},{
.name = "telnet",
.type = QEMU_OPT_BOOL,
+ },{
+ .name = "tls-creds",
+ .type = QEMU_OPT_STRING,
},{
.name = "width",
.type = QEMU_OPT_NUMBER,
},{
.name = "chardev",
.type = QEMU_OPT_STRING,
+ },{
+ .name = "append",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "logfile",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "logappend",
+ .type = QEMU_OPT_BOOL,
},
{ /* end of list */ }
},
#ifdef _WIN32
-static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp)
+static CharDriverState *qmp_chardev_open_file(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
+ ChardevFile *file = backend->u.file.data;
+ ChardevCommon *common = qapi_ChardevFile_base(file);
HANDLE out;
if (file->has_in) {
error_setg(errp, "open %s failed", file->out);
return NULL;
}
- return qemu_chr_open_win_file(out);
+ return qemu_chr_open_win_file(out, common, errp);
}
-static CharDriverState *qmp_chardev_open_serial(ChardevHostdev *serial,
+static CharDriverState *qmp_chardev_open_serial(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
Error **errp)
{
- return qemu_chr_open_win_path(serial->device);
-}
-
-static CharDriverState *qmp_chardev_open_parallel(ChardevHostdev *parallel,
- Error **errp)
-{
- error_setg(errp, "character device backend type 'parallel' not supported");
- return NULL;
+ ChardevHostdev *serial = backend->u.serial.data;
+ ChardevCommon *common = qapi_ChardevHostdev_base(serial);
+ return qemu_chr_open_win_path(serial->device, common, errp);
}
#else /* WIN32 */
return fd;
}
-static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp)
+static CharDriverState *qmp_chardev_open_file(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
+ Error **errp)
{
+ ChardevFile *file = backend->u.file.data;
+ ChardevCommon *common = qapi_ChardevFile_base(file);
int flags, in = -1, out;
- flags = O_WRONLY | O_TRUNC | O_CREAT | O_BINARY;
+ flags = O_WRONLY | O_CREAT | O_BINARY;
+ if (file->has_append && file->append) {
+ flags |= O_APPEND;
+ } else {
+ flags |= O_TRUNC;
+ }
+
out = qmp_chardev_open_file_source(file->out, flags, errp);
if (out < 0) {
return NULL;
}
}
- return qemu_chr_open_fd(in, out);
+ return qemu_chr_open_fd(in, out, common, errp);
}
-static CharDriverState *qmp_chardev_open_serial(ChardevHostdev *serial,
+#ifdef HAVE_CHARDEV_SERIAL
+static CharDriverState *qmp_chardev_open_serial(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
Error **errp)
{
-#ifdef HAVE_CHARDEV_TTY
+ ChardevHostdev *serial = backend->u.serial.data;
+ ChardevCommon *common = qapi_ChardevHostdev_base(serial);
int fd;
fd = qmp_chardev_open_file_source(serial->device, O_RDWR, errp);
return NULL;
}
qemu_set_nonblock(fd);
- return qemu_chr_open_tty_fd(fd);
-#else
- error_setg(errp, "character device backend type 'serial' not supported");
- return NULL;
-#endif
+ return qemu_chr_open_tty_fd(fd, common, errp);
}
+#endif
-static CharDriverState *qmp_chardev_open_parallel(ChardevHostdev *parallel,
+#ifdef HAVE_CHARDEV_PARPORT
+static CharDriverState *qmp_chardev_open_parallel(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
Error **errp)
{
-#ifdef HAVE_CHARDEV_PARPORT
+ ChardevHostdev *parallel = backend->u.parallel.data;
+ ChardevCommon *common = qapi_ChardevHostdev_base(parallel);
int fd;
fd = qmp_chardev_open_file_source(parallel->device, O_RDWR, errp);
if (fd < 0) {
return NULL;
}
- return qemu_chr_open_pp_fd(fd);
-#else
- error_setg(errp, "character device backend type 'parallel' not supported");
- return NULL;
-#endif
+ return qemu_chr_open_pp_fd(fd, common, errp);
}
+#endif
#endif /* WIN32 */
-static void socket_try_connect(CharDriverState *chr)
-{
- Error *err = NULL;
-
- if (!qemu_chr_open_socket_fd(chr, &err)) {
- check_report_connect_error(chr, err);
- }
-}
-
static gboolean socket_reconnect_timeout(gpointer opaque)
{
CharDriverState *chr = opaque;
TCPCharDriver *s = chr->opaque;
+ QIOChannelSocket *sioc;
s->reconnect_timer = 0;
return false;
}
- socket_try_connect(chr);
+ sioc = qio_channel_socket_new();
+ qio_channel_socket_connect_async(sioc, s->addr,
+ qemu_chr_socket_connected,
+ chr, NULL);
return false;
}
-static CharDriverState *qmp_chardev_open_socket(ChardevSocket *sock,
+static CharDriverState *qmp_chardev_open_socket(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
Error **errp)
{
CharDriverState *chr;
TCPCharDriver *s;
+ ChardevSocket *sock = backend->u.socket.data;
SocketAddress *addr = sock->addr;
bool do_nodelay = sock->has_nodelay ? sock->nodelay : false;
bool is_listen = sock->has_server ? sock->server : true;
bool is_telnet = sock->has_telnet ? sock->telnet : false;
bool is_waitconnect = sock->has_wait ? sock->wait : false;
int64_t reconnect = sock->has_reconnect ? sock->reconnect : 0;
+ ChardevCommon *common = qapi_ChardevSocket_base(sock);
+ QIOChannelSocket *sioc = NULL;
- chr = qemu_chr_alloc();
- s = g_malloc0(sizeof(TCPCharDriver));
+ chr = qemu_chr_alloc(common, errp);
+ if (!chr) {
+ return NULL;
+ }
+ s = g_new0(TCPCharDriver, 1);
- s->fd = -1;
- s->listen_fd = -1;
- s->is_unix = addr->kind == SOCKET_ADDRESS_KIND_UNIX;
+ s->is_unix = addr->type == SOCKET_ADDRESS_KIND_UNIX;
s->is_listen = is_listen;
s->is_telnet = is_telnet;
s->do_nodelay = do_nodelay;
+ if (sock->tls_creds) {
+ Object *creds;
+ creds = object_resolve_path_component(
+ object_get_objects_root(), sock->tls_creds);
+ if (!creds) {
+ error_setg(errp, "No TLS credentials with id '%s'",
+ sock->tls_creds);
+ goto error;
+ }
+ s->tls_creds = (QCryptoTLSCreds *)
+ object_dynamic_cast(creds,
+ TYPE_QCRYPTO_TLS_CREDS);
+ if (!s->tls_creds) {
+ error_setg(errp, "Object with id '%s' is not TLS credentials",
+ sock->tls_creds);
+ goto error;
+ }
+ object_ref(OBJECT(s->tls_creds));
+ if (is_listen) {
+ if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) {
+ error_setg(errp, "%s",
+ "Expected TLS credentials for server endpoint");
+ goto error;
+ }
+ } else {
+ if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT) {
+ error_setg(errp, "%s",
+ "Expected TLS credentials for client endpoint");
+ goto error;
+ }
+ }
+ }
+
qapi_copy_SocketAddress(&s->addr, sock->addr);
chr->opaque = s;
/* be isn't opened until we get a connection */
chr->explicit_be_open = true;
- chr->filename = g_malloc(CHR_MAX_FILENAME_SIZE);
- SocketAddress_to_str(chr->filename, CHR_MAX_FILENAME_SIZE, "disconnected:",
- addr, is_listen, is_telnet);
+ chr->filename = SocketAddress_to_str("disconnected:",
+ addr, is_listen, is_telnet);
if (is_listen) {
if (is_telnet) {
s->reconnect_time = reconnect;
}
+ sioc = qio_channel_socket_new();
if (s->reconnect_time) {
- socket_try_connect(chr);
- } else if (!qemu_chr_open_socket_fd(chr, errp)) {
- g_free(s);
- g_free(chr->filename);
- g_free(chr);
- return NULL;
- }
-
- if (is_listen && is_waitconnect) {
- fprintf(stderr, "QEMU waiting for connection on: %s\n",
- chr->filename);
- tcp_chr_accept(s->listen_chan, G_IO_IN, chr);
- qemu_set_nonblock(s->listen_fd);
+ qio_channel_socket_connect_async(sioc, s->addr,
+ qemu_chr_socket_connected,
+ chr, NULL);
+ } else if (s->is_listen) {
+ if (qio_channel_socket_listen_sync(sioc, s->addr, errp) < 0) {
+ goto error;
+ }
+ s->listen_ioc = sioc;
+ if (is_waitconnect) {
+ fprintf(stderr, "QEMU waiting for connection on: %s\n",
+ chr->filename);
+ tcp_chr_accept(QIO_CHANNEL(s->listen_ioc), G_IO_IN, chr);
+ }
+ qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), false, NULL);
+ if (!s->ioc) {
+ s->listen_tag = qio_channel_add_watch(
+ QIO_CHANNEL(s->listen_ioc), G_IO_IN, tcp_chr_accept, chr, NULL);
+ }
+ } else {
+ if (qio_channel_socket_connect_sync(sioc, s->addr, errp) < 0) {
+ goto error;
+ }
+ tcp_chr_new_client(chr, sioc);
+ object_unref(OBJECT(sioc));
}
return chr;
+
+ error:
+ if (sioc) {
+ object_unref(OBJECT(sioc));
+ }
+ if (s->tls_creds) {
+ object_unref(OBJECT(s->tls_creds));
+ }
+ g_free(s);
+ qemu_chr_free_common(chr);
+ return NULL;
}
-static CharDriverState *qmp_chardev_open_udp(ChardevUdp *udp,
+static CharDriverState *qmp_chardev_open_udp(const char *id,
+ ChardevBackend *backend,
+ ChardevReturn *ret,
Error **errp)
{
- int fd;
+ ChardevUdp *udp = backend->u.udp.data;
+ ChardevCommon *common = qapi_ChardevUdp_base(udp);
+ QIOChannelSocket *sioc = qio_channel_socket_new();
- fd = socket_dgram(udp->remote, udp->local, errp);
- if (fd < 0) {
+ if (qio_channel_socket_dgram_sync(sioc,
+ udp->local, udp->remote,
+ errp) < 0) {
+ object_unref(OBJECT(sioc));
return NULL;
}
- return qemu_chr_open_udp_fd(fd);
+ return qemu_chr_open_udp(sioc, common, errp);
}
ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend,
Error **errp)
{
ChardevReturn *ret = g_new0(ChardevReturn, 1);
- CharDriverState *base, *chr = NULL;
+ CharDriverState *chr = NULL;
+ Error *local_err = NULL;
+ GSList *i;
+ CharDriver *cd;
chr = qemu_chr_find(id);
if (chr) {
return NULL;
}
- switch (backend->kind) {
- case CHARDEV_BACKEND_KIND_FILE:
- chr = qmp_chardev_open_file(backend->file, errp);
- break;
- case CHARDEV_BACKEND_KIND_SERIAL:
- chr = qmp_chardev_open_serial(backend->serial, errp);
- break;
- case CHARDEV_BACKEND_KIND_PARALLEL:
- chr = qmp_chardev_open_parallel(backend->parallel, errp);
- break;
- case CHARDEV_BACKEND_KIND_PIPE:
- chr = qemu_chr_open_pipe(backend->pipe);
- break;
- case CHARDEV_BACKEND_KIND_SOCKET:
- chr = qmp_chardev_open_socket(backend->socket, errp);
- break;
- case CHARDEV_BACKEND_KIND_UDP:
- chr = qmp_chardev_open_udp(backend->udp, errp);
- break;
-#ifdef HAVE_CHARDEV_TTY
- case CHARDEV_BACKEND_KIND_PTY:
- chr = qemu_chr_open_pty(id, ret);
- break;
-#endif
- case CHARDEV_BACKEND_KIND_NULL:
- chr = qemu_chr_open_null();
- break;
- case CHARDEV_BACKEND_KIND_MUX:
- base = qemu_chr_find(backend->mux->chardev);
- if (base == NULL) {
- error_setg(errp, "mux: base chardev %s not found",
- backend->mux->chardev);
+ for (i = backends; i; i = i->next) {
+ cd = i->data;
+
+ if (cd->kind == backend->type) {
+ chr = cd->create(id, backend, ret, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto out_error;
+ }
break;
}
- chr = qemu_chr_open_mux(base);
- break;
- case CHARDEV_BACKEND_KIND_MSMOUSE:
- chr = qemu_chr_open_msmouse();
- break;
-#ifdef CONFIG_BRLAPI
- case CHARDEV_BACKEND_KIND_BRAILLE:
- chr = chr_baum_init();
- break;
-#endif
- case CHARDEV_BACKEND_KIND_TESTDEV:
- chr = chr_testdev_init();
- break;
- case CHARDEV_BACKEND_KIND_STDIO:
- chr = qemu_chr_open_stdio(backend->stdio);
- break;
-#ifdef _WIN32
- case CHARDEV_BACKEND_KIND_CONSOLE:
- chr = qemu_chr_open_win_con();
- break;
-#endif
-#ifdef CONFIG_SPICE
- case CHARDEV_BACKEND_KIND_SPICEVMC:
- chr = qemu_chr_open_spice_vmc(backend->spicevmc->type);
- break;
- case CHARDEV_BACKEND_KIND_SPICEPORT:
- chr = qemu_chr_open_spice_port(backend->spiceport->fqdn);
- break;
-#endif
- case CHARDEV_BACKEND_KIND_VC:
- chr = vc_init(backend->vc);
- break;
- case CHARDEV_BACKEND_KIND_RINGBUF:
- case CHARDEV_BACKEND_KIND_MEMORY:
- chr = qemu_chr_open_ringbuf(backend->ringbuf, errp);
- break;
- default:
- error_setg(errp, "unknown chardev backend (%d)", backend->kind);
- break;
}
- /*
- * Character backend open hasn't been fully converted to the Error
- * API. Some opens fail without setting an error. Set a generic
- * error then.
- * TODO full conversion to Error API
- */
- if (chr == NULL && errp && !*errp) {
- error_setg(errp, "Failed to create chardev");
+ if (chr == NULL) {
+ assert(!i);
+ error_setg(errp, "chardev backend not available");
+ goto out_error;
}
- if (chr) {
- chr->label = g_strdup(id);
- chr->avail_connections =
- (backend->kind == CHARDEV_BACKEND_KIND_MUX) ? MAX_MUX : 1;
- if (!chr->filename) {
- chr->filename = g_strdup(ChardevBackendKind_lookup[backend->kind]);
- }
- if (!chr->explicit_be_open) {
- qemu_chr_be_event(chr, CHR_EVENT_OPENED);
- }
- QTAILQ_INSERT_TAIL(&chardevs, chr, next);
- return ret;
- } else {
- g_free(ret);
- return NULL;
+
+ chr->label = g_strdup(id);
+ chr->avail_connections =
+ (backend->type == CHARDEV_BACKEND_KIND_MUX) ? MAX_MUX : 1;
+ if (!chr->filename) {
+ chr->filename = g_strdup(ChardevBackendKind_lookup[backend->type]);
+ }
+ if (!chr->explicit_be_open) {
+ qemu_chr_be_event(chr, CHR_EVENT_OPENED);
}
+ QTAILQ_INSERT_TAIL(&chardevs, chr, next);
+ return ret;
+
+out_error:
+ g_free(ret);
+ return NULL;
}
void qmp_chardev_remove(const char *id, Error **errp)
error_setg(errp, "Chardev '%s' is busy", id);
return;
}
+ if (chr->replay) {
+ error_setg(errp,
+ "Chardev '%s' cannot be unplugged in record/replay mode", id);
+ return;
+ }
qemu_chr_delete(chr);
}
static void register_types(void)
{
- register_char_driver("null", CHARDEV_BACKEND_KIND_NULL, NULL);
+ register_char_driver("null", CHARDEV_BACKEND_KIND_NULL, NULL,
+ qemu_chr_open_null);
register_char_driver("socket", CHARDEV_BACKEND_KIND_SOCKET,
- qemu_chr_parse_socket);
- register_char_driver("udp", CHARDEV_BACKEND_KIND_UDP, qemu_chr_parse_udp);
+ qemu_chr_parse_socket, qmp_chardev_open_socket);
+ register_char_driver("udp", CHARDEV_BACKEND_KIND_UDP, qemu_chr_parse_udp,
+ qmp_chardev_open_udp);
register_char_driver("ringbuf", CHARDEV_BACKEND_KIND_RINGBUF,
- qemu_chr_parse_ringbuf);
+ qemu_chr_parse_ringbuf, qemu_chr_open_ringbuf);
register_char_driver("file", CHARDEV_BACKEND_KIND_FILE,
- qemu_chr_parse_file_out);
+ qemu_chr_parse_file_out, qmp_chardev_open_file);
register_char_driver("stdio", CHARDEV_BACKEND_KIND_STDIO,
- qemu_chr_parse_stdio);
+ qemu_chr_parse_stdio, qemu_chr_open_stdio);
+#if defined HAVE_CHARDEV_SERIAL
register_char_driver("serial", CHARDEV_BACKEND_KIND_SERIAL,
- qemu_chr_parse_serial);
+ qemu_chr_parse_serial, qmp_chardev_open_serial);
register_char_driver("tty", CHARDEV_BACKEND_KIND_SERIAL,
- qemu_chr_parse_serial);
+ qemu_chr_parse_serial, qmp_chardev_open_serial);
+#endif
+#ifdef HAVE_CHARDEV_PARPORT
register_char_driver("parallel", CHARDEV_BACKEND_KIND_PARALLEL,
- qemu_chr_parse_parallel);
+ qemu_chr_parse_parallel, qmp_chardev_open_parallel);
register_char_driver("parport", CHARDEV_BACKEND_KIND_PARALLEL,
- qemu_chr_parse_parallel);
- register_char_driver("pty", CHARDEV_BACKEND_KIND_PTY, NULL);
- register_char_driver("console", CHARDEV_BACKEND_KIND_CONSOLE, NULL);
+ qemu_chr_parse_parallel, qmp_chardev_open_parallel);
+#endif
+#ifdef HAVE_CHARDEV_PTY
+ register_char_driver("pty", CHARDEV_BACKEND_KIND_PTY, NULL,
+ qemu_chr_open_pty);
+#endif
+#ifdef _WIN32
+ register_char_driver("console", CHARDEV_BACKEND_KIND_CONSOLE, NULL,
+ qemu_chr_open_win_con);
+#endif
register_char_driver("pipe", CHARDEV_BACKEND_KIND_PIPE,
- qemu_chr_parse_pipe);
- register_char_driver("mux", CHARDEV_BACKEND_KIND_MUX, qemu_chr_parse_mux);
+ qemu_chr_parse_pipe, qemu_chr_open_pipe);
+ register_char_driver("mux", CHARDEV_BACKEND_KIND_MUX, qemu_chr_parse_mux,
+ qemu_chr_open_mux);
/* Bug-compatibility: */
register_char_driver("memory", CHARDEV_BACKEND_KIND_MEMORY,
- qemu_chr_parse_ringbuf);
+ qemu_chr_parse_ringbuf, qemu_chr_open_ringbuf);
/* this must be done after machine init, since we register FEs with muxes
* as part of realize functions like serial_isa_realizefn when -nographic
* is specified
Code Review / kvmfornfv.git / blobdiff