#include <netinet/ip_icmp.h> // must come after ip.h
#include <netinet/udp.h>
#include <netinet/tcp.h>
-#include <net/if.h>
-#include <syslog.h>
#endif
#endif
#endif
s->chr_event(s->handler_opaque, event);
}
-static gboolean qemu_chr_be_generic_open_bh(gpointer opaque)
-{
- CharDriverState *s = opaque;
- qemu_chr_be_event(s, CHR_EVENT_OPENED);
- s->idle_tag = 0;
- return FALSE;
-}
-
void qemu_chr_be_generic_open(CharDriverState *s)
{
- if (s->idle_tag == 0) {
- s->idle_tag = g_idle_add(qemu_chr_be_generic_open_bh, s);
- }
+ qemu_chr_be_event(s, CHR_EVENT_OPENED);
}
int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len)
chr = g_malloc0(sizeof(CharDriverState));
chr->chr_write = null_chr_write;
+ chr->explicit_be_open = true;
return chr;
}
/* Frontend guest-open / -close notification is not support with muxes */
chr->chr_set_fe_open = NULL;
- /* Muxes are always open on creation */
- qemu_chr_be_generic_open(chr);
-
return chr;
}
static int io_channel_send(GIOChannel *fd, const void *buf, size_t len)
{
- GIOStatus status;
- size_t offset;
+ size_t offset = 0;
+ GIOStatus status = G_IO_STATUS_NORMAL;
- offset = 0;
- while (offset < len) {
- gsize bytes_written;
+ 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);
- if (status != G_IO_STATUS_NORMAL) {
- if (status == G_IO_STATUS_AGAIN) {
- /* If we've written any data, return a partial write. */
- if (offset) {
- break;
- }
- errno = EAGAIN;
- } else {
- errno = EINVAL;
- }
-
- return -1;
- } else if (status == G_IO_STATUS_EOF) {
- break;
- }
-
offset += bytes_written;
}
- return offset;
+ 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
chr->chr_update_read_handler = fd_chr_update_read_handler;
chr->chr_close = fd_chr_close;
- qemu_chr_be_generic_open(chr);
-
return chr;
}
tty.c_cc[VMIN] = 1;
tty.c_cc[VTIME] = 0;
}
- /* if graphical mode, we allow Ctrl-C handling */
if (!stdio_allow_signal)
tty.c_lflag &= ~ISIG;
chr = qemu_chr_open_fd(0, 1);
chr->chr_close = qemu_chr_close_stdio;
chr->chr_set_echo = qemu_chr_set_echo_stdio;
- stdio_allow_signal = display_type != DT_NOGRAPHIC;
if (opts->has_signal) {
stdio_allow_signal = opts->signal;
}
return chr;
}
-#ifdef __sun__
-/* Once Solaris has openpty(), this is going to be removed. */
-static int openpty(int *amaster, int *aslave, char *name,
- struct termios *termp, struct winsize *winp)
-{
- const char *slave;
- int mfd = -1, sfd = -1;
-
- *amaster = *aslave = -1;
-
- mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
- if (mfd < 0)
- goto err;
-
- if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
- goto err;
-
- if ((slave = ptsname(mfd)) == NULL)
- goto err;
-
- if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
- goto err;
-
- if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
- (termp != NULL && tcgetattr(sfd, termp) < 0))
- goto err;
-
- if (amaster)
- *amaster = mfd;
- if (aslave)
- *aslave = sfd;
- if (winp)
- ioctl(sfd, TIOCSWINSZ, winp);
-
- return 0;
-
-err:
- if (sfd != -1)
- close(sfd);
- close(mfd);
- return -1;
-}
-
-static void cfmakeraw (struct termios *termios_p)
-{
- termios_p->c_iflag &=
- ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
- termios_p->c_oflag &= ~OPOST;
- termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
- termios_p->c_cflag &= ~(CSIZE|PARENB);
- termios_p->c_cflag |= CS8;
-
- termios_p->c_cc[VMIN] = 0;
- termios_p->c_cc[VTIME] = 0;
-}
-#endif
-
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
|| defined(__GLIBC__)
{
CharDriverState *chr;
PtyCharDriver *s;
- struct termios tty;
int master_fd, slave_fd;
-#if defined(__OpenBSD__) || defined(__DragonFly__)
char pty_name[PATH_MAX];
-#define q_ptsname(x) pty_name
-#else
- char *pty_name = NULL;
-#define q_ptsname(x) ptsname(x)
-#endif
- if (openpty(&master_fd, &slave_fd, pty_name, NULL, NULL) < 0) {
+ master_fd = qemu_openpty_raw(&slave_fd, pty_name);
+ if (master_fd < 0) {
return NULL;
}
- /* Set raw attributes on the pty. */
- tcgetattr(slave_fd, &tty);
- cfmakeraw(&tty);
- tcsetattr(slave_fd, TCSAFLUSH, &tty);
close(slave_fd);
chr = g_malloc0(sizeof(CharDriverState));
- chr->filename = g_strdup_printf("pty:%s", q_ptsname(master_fd));
- ret->pty = g_strdup(q_ptsname(master_fd));
+ chr->filename = g_strdup_printf("pty:%s", pty_name);
+ ret->pty = g_strdup(pty_name);
ret->has_pty = true;
fprintf(stderr, "char device redirected to %s (label %s)\n",
- q_ptsname(master_fd), id);
+ pty_name, id);
s = g_malloc0(sizeof(PtyCharDriver));
chr->opaque = s;
chr->chr_update_read_handler = pty_chr_update_read_handler;
chr->chr_close = pty_chr_close;
chr->chr_add_watch = pty_chr_add_watch;
+ chr->explicit_be_open = true;
s->fd = io_channel_from_fd(master_fd);
s->timer_tag = 0;
chr->chr_close = pp_close;
chr->opaque = drv;
- qemu_chr_be_generic_open(chr);
-
return chr;
}
#endif /* __linux__ */
chr->opaque = (void *)(intptr_t)fd;
chr->chr_write = null_chr_write;
chr->chr_ioctl = pp_ioctl;
+ chr->explicit_be_open = true;
return chr;
}
#endif
g_free(chr);
return NULL;
}
- qemu_chr_be_generic_open(chr);
return chr;
}
g_free(chr);
return NULL;
}
- qemu_chr_be_generic_open(chr);
return chr;
}
s->hcom = fd_out;
chr->opaque = s;
chr->chr_write = win_chr_write;
- qemu_chr_be_generic_open(chr);
return chr;
}
chr->chr_write = udp_chr_write;
chr->chr_update_read_handler = udp_chr_update_read_handler;
chr->chr_close = udp_chr_close;
+ /* be isn't opened until we get a connection */
+ chr->explicit_be_open = true;
return chr;
}
fd = inet_dgram_opts(opts, &local_err);
if (fd < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return NULL;
}
return qemu_chr_open_udp_fd(fd);
memset(&ss, 0, ss_len);
if (getsockname(fd, (struct sockaddr *) &ss, &ss_len) != 0) {
- error_setg(errp, "getsockname: %s", strerror(errno));
+ error_setg_errno(errp, errno, "getsockname");
return NULL;
}
chr->get_msgfd = tcp_get_msgfd;
chr->chr_add_client = tcp_chr_add_client;
chr->chr_add_watch = tcp_chr_add_watch;
+ /* be isn't opened until we get a connection */
+ chr->explicit_be_open = true;
if (is_listen) {
s->listen_fd = fd;
}
if (is_listen && is_waitconnect) {
- printf("QEMU waiting for connection on: %s\n",
- chr->filename);
+ 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);
}
CharDriverState *chr = NULL;
Error *local_err = NULL;
int fd = -1;
- int is_listen;
- int is_waitconnect;
- int do_nodelay;
- int is_unix;
- int is_telnet;
- is_listen = qemu_opt_get_bool(opts, "server", 0);
- is_waitconnect = qemu_opt_get_bool(opts, "wait", 1);
- is_telnet = qemu_opt_get_bool(opts, "telnet", 0);
- do_nodelay = !qemu_opt_get_bool(opts, "delay", 1);
- is_unix = qemu_opt_get(opts, "path") != NULL;
- if (!is_listen)
- is_waitconnect = 0;
+ bool is_listen = qemu_opt_get_bool(opts, "server", false);
+ bool is_waitconnect = is_listen && qemu_opt_get_bool(opts, "wait", true);
+ bool is_telnet = qemu_opt_get_bool(opts, "telnet", false);
+ bool do_nodelay = !qemu_opt_get_bool(opts, "delay", true);
+ bool is_unix = qemu_opt_get(opts, "path") != NULL;
if (is_unix) {
if (is_listen) {
if (strstart(filename, "mon:", &p)) {
filename = p;
qemu_opt_set(opts, "mux", "on");
+ if (strcmp(filename, "stdio") == 0) {
+ /* Monitor is muxed to stdio: do not exit on Ctrl+C by default
+ * but pass it to the guest. Handle this only for compat syntax,
+ * for -chardev syntax we have special option for this.
+ * This is what -nographic did, redirecting+muxing serial+monitor
+ * to stdio causing Ctrl+C to be passed to guest. */
+ qemu_opt_set(opts, "signal", "off");
+ }
}
if (strcmp(filename, "null") == 0 ||
{
backend->stdio = g_new0(ChardevStdio, 1);
backend->stdio->has_signal = true;
- backend->stdio->signal =
- qemu_opt_get_bool(opts, "signal", display_type != DT_NOGRAPHIC);
+ backend->stdio->signal = qemu_opt_get_bool(opts, "signal", true);
}
static void qemu_chr_parse_serial(QemuOpts *opts, ChardevBackend *backend,
backend->memory = g_new0(ChardevMemory, 1);
- val = qemu_opt_get_number(opts, "size", 0);
+ val = qemu_opt_get_size(opts, "size", 0);
if (val != 0) {
backend->memory->has_size = true;
backend->memory->size = val;
}
}
+static void qemu_chr_parse_mux(QemuOpts *opts, ChardevBackend *backend,
+ Error **errp)
+{
+ const char *chardev = qemu_opt_get(opts, "chardev");
+
+ if (chardev == NULL) {
+ error_setg(errp, "chardev: mux: no chardev given");
+ return;
+ }
+ backend->mux = g_new0(ChardevMux, 1);
+ backend->mux->chardev = g_strdup(chardev);
+}
+
typedef struct CharDriver {
const char *name;
/* old, pre qapi */
CharDriverState *(*open)(QemuOpts *opts);
/* new, qapi-based */
- int kind;
+ ChardevBackendKind kind;
void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp);
} CharDriver;
backends = g_slist_append(backends, s);
}
-void register_char_driver_qapi(const char *name, int kind,
+void register_char_driver_qapi(const char *name, ChardevBackendKind kind,
void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp))
{
CharDriver *s;
if (i == NULL) {
error_setg(errp, "chardev: backend \"%s\" not found",
qemu_opt_get(opts, "backend"));
- return NULL;
+ goto err;
}
if (!cd->open) {
ChardevBackend *backend = g_new0(ChardevBackend, 1);
ChardevReturn *ret = NULL;
const char *id = qemu_opts_id(opts);
- const char *bid = NULL;
+ char *bid = NULL;
if (qemu_opt_get_bool(opts, "mux", 0)) {
bid = g_strdup_printf("%s-base", id);
backend->kind = CHARDEV_BACKEND_KIND_MUX;
backend->mux->chardev = g_strdup(bid);
ret = qmp_chardev_add(id, backend, errp);
- if (error_is_set(errp)) {
- goto qapi_out;
- }
+ assert(!error_is_set(errp));
}
chr = qemu_chr_find(id);
+ chr->opts = opts;
qapi_out:
qapi_free_ChardevBackend(backend);
qapi_free_ChardevReturn(ret);
+ g_free(bid);
return chr;
}
if (!chr->filename)
chr->filename = g_strdup(qemu_opt_get(opts, "backend"));
chr->init = init;
+ /* if we didn't create the chardev via qmp_chardev_add, we
+ * need to send the OPENED event here
+ */
+ if (!chr->explicit_be_open) {
+ qemu_chr_be_event(chr, CHR_EVENT_OPENED);
+ }
QTAILQ_INSERT_TAIL(&chardevs, chr, next);
if (qemu_opt_get_bool(opts, "mux", 0)) {
},{
.name = "size",
.type = QEMU_OPT_SIZE,
+ },{
+ .name = "chardev",
+ .type = QEMU_OPT_STRING,
},
{ /* end of list */ }
},
{
HANDLE out;
- if (file->in) {
+ if (file->has_in) {
error_setg(errp, "input file not supported");
return NULL;
}
TFR(fd = qemu_open(src, flags, 0666));
if (fd == -1) {
- error_setg(errp, "open %s: %s", src, strerror(errno));
+ error_setg_file_open(errp, errno, src);
}
return fd;
}
return NULL;
}
- if (file->in) {
+ if (file->has_in) {
flags = O_RDONLY;
in = qmp_chardev_open_file_source(file->in, flags, errp);
if (error_is_set(errp)) {
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 {
register_char_driver_qapi("console", CHARDEV_BACKEND_KIND_CONSOLE, NULL);
register_char_driver_qapi("pipe", CHARDEV_BACKEND_KIND_PIPE,
qemu_chr_parse_pipe);
+ register_char_driver_qapi("mux", CHARDEV_BACKEND_KIND_MUX,
+ qemu_chr_parse_mux);
}
type_init(register_types);
projects / qemu.git / blobdiff