static void net_socket_send(void *opaque)
{
NetSocketState *s = opaque;
int size, err;
unsigned l;
uint8_t buf1[4096];
const uint8_t *buf;
size = qemu_recv(s->fd, buf1, sizeof(buf1), 0);
if (size < 0) {
err = socket_error();
if (err != EWOULDBLOCK)
goto eoc;
} else if (size == 0) {
/* end of connection */
eoc:
qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
closesocket(s->fd);
return;
}
buf = buf1;
while (size > 0) {
/* reassemble a packet from the network */
switch(s->state) {
case 0:
l = 4 - s->index;
if (l > size)
l = size;
memcpy(s->buf + s->index, buf, l);
buf += l;
size -= l;
s->index += l;
if (s->index == 4) {
/* got length */
s->packet_len = ntohl(*(uint32_t *)s->buf);
s->index = 0;
s->state = 1;
}
break;
case 1:
l = s->packet_len - s->index;
if (l > size)
l = size;
if (s->index + l <= sizeof(s->buf)) {
memcpy(s->buf + s->index, buf, l);
} else {
fprintf(stderr, "serious error: oversized packet received,"
"connection terminated.\n");
s->state = 0;
goto eoc;
}
s->index += l;
buf += l;
size -= l;
if (s->index >= s->packet_len) {
qemu_send_packet(&s->nc, s->buf, s->packet_len);
s->index = 0;
s->state = 0;
}
break;
}
}
}
CharDriverState *chr_baum_init(void)
{
BaumDriverState *baum;
CharDriverState *chr;
brlapi_handle_t *handle;
#if defined(CONFIG_SDL)
#if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 0)
SDL_SysWMinfo info;
#endif
#endif
int tty;
baum = g_malloc0(sizeof(BaumDriverState));
baum->chr = chr = qemu_chr_alloc();
chr->opaque = baum;
chr->chr_write = baum_write;
chr->chr_accept_input = baum_accept_input;
chr->chr_close = baum_close;
handle = g_malloc0(brlapi_getHandleSize());
baum->brlapi = handle;
baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL);
if (baum->brlapi_fd == -1) {
brlapi_perror("baum_init: brlapi_openConnection");
goto fail_handle;
}
baum->cellCount_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, baum_cellCount_timer_cb, baum);
if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) {
brlapi_perror("baum_init: brlapi_getDisplaySize");
goto fail;
}
#if defined(CONFIG_SDL)
#if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 0)
memset(&info, 0, sizeof(info));
SDL_VERSION(&info.version);
if (SDL_GetWMInfo(&info))
tty = info.info.x11.wmwindow;
else
#endif
#endif
tty = BRLAPI_TTY_DEFAULT;
if (brlapi__enterTtyMode(handle, tty, NULL) == -1) {
brlapi_perror("baum_init: brlapi_enterTtyMode");
goto fail;
}
qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum);
return chr;
fail:
timer_free(baum->cellCount_timer);
brlapi__closeConnection(handle);
fail_handle:
g_free(handle);
g_free(chr);
g_free(baum);
return NULL;
}
static void fd_coroutine_enter(void *opaque)
{
FDYieldUntilData *data = opaque;
qemu_set_fd_handler(data->fd, NULL, NULL, NULL);
qemu_coroutine_enter(data->co, NULL);
}
static void net_socket_cleanup(VLANClientState *nc)
{
NetSocketState *s = DO_UPCAST(NetSocketState, nc, nc);
qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
close(s->fd);
}
static void client_handler(void *opaque)
{
QemuHttpConnection *conn = (QemuHttpConnection *)opaque;
if (conn->state == NEW_REQUEST) {
conn->pos = 0;
}
if (conn->pos == HEADER_SIZE) {
conn->pos = 0;
}
int read_bytes
= read(conn->fd, conn->in_buffer + conn->pos, HEADER_SIZE - conn->pos);
/* connection is closed or invalid */
if (read_bytes == 0
|| (read_bytes == -1 && (errno != EINTR && errno != EAGAIN)))
{
goto end_connection;
}
if (conn->state == NEW_REQUEST) {
conn->state = IN_HEADERS;
}
int b = conn->pos;
int e = conn->pos + read_bytes;
while (b < e) {
/* we are at beginning ? */
if (!conn->page_complete) {
while (b < e) {
if (conn->page_pos >= 0 && conn->page[conn->page_pos] == '\r'
&& conn->in_buffer[b] == '\n')
{
conn->page[++conn->page_pos] = conn->in_buffer[b++];
conn->page_complete = 1;
break;
} else {
conn->page[++conn->page_pos] = conn->in_buffer[b++];
}
}
} else {
if (b >= 3) {
if (conn->in_buffer[b-3] == '\r' && conn->in_buffer[b-2] == '\n'
&& conn->in_buffer[b-1] == '\r' && conn->in_buffer[b] == '\n')
{
conn->state = NEW_REQUEST;
goto process_request;
}
}
b++;
}
}
conn->pos = e;
if (conn->state == IN_HEADERS) {
return;
}
process_request:
if (parse_page(conn) || process_request(conn)) {
goto end_connection;
}
end_connection:
close(conn->fd);
conn->open = 0;
conn->state = NEW_REQUEST;
ghttp_state->connections--;
qemu_set_fd_handler(conn->fd, NULL, NULL, NULL);
}
int event_notifier_set_handler(EventNotifier *e,
EventNotifierHandler *handler)
{
qemu_set_fd_handler(e->rfd, (IOHandler *)handler, NULL, e);
return 0;
}
CharDriverState *chr_baum_init(QemuOpts *opts)
{
BaumDriverState *baum;
CharDriverState *chr;
brlapi_handle_t *handle;
#ifdef CONFIG_SDL
SDL_SysWMinfo info;
#endif
int tty;
baum = qemu_mallocz(sizeof(BaumDriverState));
baum->chr = chr = qemu_mallocz(sizeof(CharDriverState));
chr->opaque = baum;
chr->chr_write = baum_write;
chr->chr_send_event = baum_send_event;
chr->chr_accept_input = baum_accept_input;
handle = qemu_mallocz(brlapi_getHandleSize());
baum->brlapi = handle;
baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL);
if (baum->brlapi_fd == -1) {
brlapi_perror("baum_init: brlapi_openConnection");
goto fail_handle;
}
baum->cellCount_timer = qemu_new_timer(vm_clock, baum_cellCount_timer_cb, baum);
if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) {
brlapi_perror("baum_init: brlapi_getDisplaySize");
goto fail;
}
#ifdef CONFIG_SDL
memset(&info, 0, sizeof(info));
SDL_VERSION(&info.version);
if (SDL_GetWMInfo(&info))
tty = info.info.x11.wmwindow;
else
#endif
tty = BRLAPI_TTY_DEFAULT;
if (brlapi__enterTtyMode(handle, tty, NULL) == -1) {
brlapi_perror("baum_init: brlapi_enterTtyMode");
goto fail;
}
qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum);
qemu_chr_reset(chr);
return chr;
fail:
qemu_free_timer(baum->cellCount_timer);
brlapi__closeConnection(handle);
fail_handle:
free(handle);
free(chr);
free(baum);
return NULL;
}
static int unix_connect_saddr(UnixSocketAddress *saddr,
NonBlockingConnectHandler *callback, void *opaque,
Error **errp)
{
struct sockaddr_un un;
ConnectState *connect_state = NULL;
int sock, rc;
if (saddr->path == NULL) {
error_setg(errp, "unix connect: no path specified");
return -1;
}
sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
error_setg_errno(errp, errno, "Failed to create socket");
return -1;
}
if (callback != NULL) {
connect_state = g_malloc0(sizeof(*connect_state));
connect_state->callback = callback;
connect_state->opaque = opaque;
qemu_set_nonblock(sock);
}
if (strlen(saddr->path) > sizeof(un.sun_path)) {
error_setg(errp, "UNIX socket path '%s' is too long", saddr->path);
error_append_hint(errp, "Path must be less than %zu bytes\n",
sizeof(un.sun_path));
goto err;
}
memset(&un, 0, sizeof(un));
un.sun_family = AF_UNIX;
strncpy(un.sun_path, saddr->path, sizeof(un.sun_path));
/* connect to peer */
do {
rc = 0;
if (connect(sock, (struct sockaddr *) &un, sizeof(un)) < 0) {
rc = -errno;
}
} while (rc == -EINTR);
if (connect_state != NULL && QEMU_SOCKET_RC_INPROGRESS(rc)) {
connect_state->fd = sock;
qemu_set_fd_handler(sock, NULL, wait_for_connect, connect_state);
return sock;
} else if (rc >= 0) {
/* non blocking socket immediate success, call callback */
if (callback != NULL) {
callback(sock, NULL, opaque);
}
}
if (rc < 0) {
error_setg_errno(errp, -rc, "Failed to connect socket %s",
saddr->path);
goto err;
}
g_free(connect_state);
return sock;
err:
close(sock);
g_free(connect_state);
return -1;
}
ClientFramebuffer*
clientfb_create(SockAddress* console_socket,
const char* protocol,
QFrameBuffer* fb)
{
char* connect_message = NULL;
char switch_cmd[256];
// Connect to the framebuffer service.
_client_fb.core_connection = core_connection_create(console_socket);
if (_client_fb.core_connection == NULL) {
derror("Framebuffer client is unable to connect to the console: %s\n",
errno_str);
return NULL;
}
if (core_connection_open(_client_fb.core_connection)) {
core_connection_free(_client_fb.core_connection);
_client_fb.core_connection = NULL;
derror("Framebuffer client is unable to open the console: %s\n",
errno_str);
return NULL;
}
snprintf(switch_cmd, sizeof(switch_cmd), "framebuffer %s", protocol);
if (core_connection_switch_stream(_client_fb.core_connection, switch_cmd,
&connect_message)) {
derror("Unable to attach to the framebuffer %s: %s\n",
switch_cmd, connect_message ? connect_message : "");
if (connect_message != NULL) {
free(connect_message);
}
core_connection_close(_client_fb.core_connection);
core_connection_free(_client_fb.core_connection);
_client_fb.core_connection = NULL;
return NULL;
}
// We expect core framebuffer to return us bits per pixel property in
// the handshake message.
_client_fb.bits_per_pixel = 0;
if (connect_message != NULL) {
char* bpp = strstr(connect_message, "bitsperpixel=");
if (bpp != NULL) {
char* end;
bpp += strlen("bitsperpixel=");
end = strchr(bpp, ' ');
if (end == NULL) {
end = bpp + strlen(bpp);
}
_client_fb.bits_per_pixel = strtol(bpp, &end, 0);
}
}
if (!_client_fb.bits_per_pixel) {
derror("Unexpected core framebuffer reply: %s\n"
"Bits per pixel property is not there, or is invalid\n", connect_message);
core_connection_close(_client_fb.core_connection);
core_connection_free(_client_fb.core_connection);
_client_fb.core_connection = NULL;
return NULL;
}
// Now that we're connected lets initialize the descriptor.
_client_fb.fb = fb;
_client_fb.sock = core_connection_get_socket(_client_fb.core_connection);
_client_fb.fb_state = WAIT_HEADER;
_client_fb.reader_buffer = (uint8_t*)&_client_fb.update_header;
_client_fb.reader_offset = 0;
_client_fb.reader_bytes = sizeof(FBUpdateMessage);
if (connect_message != NULL) {
free(connect_message);
}
// At last setup read callback, and start receiving the updates.
if (qemu_set_fd_handler(_client_fb.sock, _clientfb_read_cb, NULL, &_client_fb)) {
derror("Unable to set up framebuffer read callback\n");
core_connection_close(_client_fb.core_connection);
core_connection_free(_client_fb.core_connection);
_client_fb.core_connection = NULL;
return NULL;
}
{
// Force the core to send us entire framebuffer now, when we're prepared
// to receive it.
FBRequestHeader hd;
SyncSocket* sk = syncsocket_init(_client_fb.sock);
hd.request_type = AFB_REQUEST_REFRESH;
syncsocket_start_write(sk);
syncsocket_write(sk, &hd, sizeof(hd), 500);
syncsocket_stop_write(sk);
syncsocket_free(sk);
}
fprintf(stdout, "Framebuffer %s is now attached to the core %s\n",
protocol, sock_address_to_string(console_socket));
return &_client_fb;
}
static CharDriverState *chr_baum_init(const char *id,
ChardevBackend *backend,
ChardevReturn *ret,
Error **errp)
{
ChardevCommon *common = backend->u.braille;
BaumDriverState *baum;
CharDriverState *chr;
brlapi_handle_t *handle;
#if defined(CONFIG_SDL)
#if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 0)
SDL_SysWMinfo info;
#endif
#endif
int tty;
chr = qemu_chr_alloc(common, errp);
if (!chr) {
return NULL;
}
baum = g_malloc0(sizeof(BaumDriverState));
baum->chr = chr;
chr->opaque = baum;
chr->chr_write = baum_write;
chr->chr_accept_input = baum_accept_input;
chr->chr_close = baum_close;
handle = g_malloc0(brlapi_getHandleSize());
baum->brlapi = handle;
baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL);
if (baum->brlapi_fd == -1) {
error_setg(errp, "brlapi__openConnection: %s",
brlapi_strerror(brlapi_error_location()));
goto fail_handle;
}
baum->cellCount_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, baum_cellCount_timer_cb, baum);
if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) {
error_setg(errp, "brlapi__getDisplaySize: %s",
brlapi_strerror(brlapi_error_location()));
goto fail;
}
#if defined(CONFIG_SDL)
#if SDL_COMPILEDVERSION < SDL_VERSIONNUM(2, 0, 0)
memset(&info, 0, sizeof(info));
SDL_VERSION(&info.version);
if (SDL_GetWMInfo(&info))
tty = info.info.x11.wmwindow;
else
#endif
#endif
tty = BRLAPI_TTY_DEFAULT;
if (brlapi__enterTtyMode(handle, tty, NULL) == -1) {
error_setg(errp, "brlapi__enterTtyMode: %s",
brlapi_strerror(brlapi_error_location()));
goto fail;
}
qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum);
return chr;
fail:
timer_free(baum->cellCount_timer);
brlapi__closeConnection(handle);
fail_handle:
g_free(handle);
g_free(chr);
g_free(baum);
return NULL;
}
static int xen_9pfs_connect(struct XenLegacyDevice *xendev)
{
Error *err = NULL;
int i;
Xen9pfsDev *xen_9pdev = container_of(xendev, Xen9pfsDev, xendev);
V9fsState *s = &xen_9pdev->state;
QemuOpts *fsdev;
if (xenstore_read_fe_int(&xen_9pdev->xendev, "num-rings",
&xen_9pdev->num_rings) == -1 ||
xen_9pdev->num_rings > MAX_RINGS || xen_9pdev->num_rings < 1) {
return -1;
}
xen_9pdev->rings = g_new0(Xen9pfsRing, xen_9pdev->num_rings);
for (i = 0; i < xen_9pdev->num_rings; i++) {
char *str;
int ring_order;
xen_9pdev->rings[i].priv = xen_9pdev;
xen_9pdev->rings[i].evtchn = -1;
xen_9pdev->rings[i].local_port = -1;
str = g_strdup_printf("ring-ref%u", i);
if (xenstore_read_fe_int(&xen_9pdev->xendev, str,
&xen_9pdev->rings[i].ref) == -1) {
g_free(str);
goto out;
}
g_free(str);
str = g_strdup_printf("event-channel-%u", i);
if (xenstore_read_fe_int(&xen_9pdev->xendev, str,
&xen_9pdev->rings[i].evtchn) == -1) {
g_free(str);
goto out;
}
g_free(str);
xen_9pdev->rings[i].intf =
xen_be_map_grant_ref(&xen_9pdev->xendev,
xen_9pdev->rings[i].ref,
PROT_READ | PROT_WRITE);
if (!xen_9pdev->rings[i].intf) {
goto out;
}
ring_order = xen_9pdev->rings[i].intf->ring_order;
if (ring_order > MAX_RING_ORDER) {
goto out;
}
xen_9pdev->rings[i].ring_order = ring_order;
xen_9pdev->rings[i].data =
xen_be_map_grant_refs(&xen_9pdev->xendev,
xen_9pdev->rings[i].intf->ref,
(1 << ring_order),
PROT_READ | PROT_WRITE);
if (!xen_9pdev->rings[i].data) {
goto out;
}
xen_9pdev->rings[i].ring.in = xen_9pdev->rings[i].data;
xen_9pdev->rings[i].ring.out = xen_9pdev->rings[i].data +
XEN_FLEX_RING_SIZE(ring_order);
xen_9pdev->rings[i].bh = qemu_bh_new(xen_9pfs_bh, &xen_9pdev->rings[i]);
xen_9pdev->rings[i].out_cons = 0;
xen_9pdev->rings[i].out_size = 0;
xen_9pdev->rings[i].inprogress = false;
xen_9pdev->rings[i].evtchndev = xenevtchn_open(NULL, 0);
if (xen_9pdev->rings[i].evtchndev == NULL) {
goto out;
}
qemu_set_cloexec(xenevtchn_fd(xen_9pdev->rings[i].evtchndev));
xen_9pdev->rings[i].local_port = xenevtchn_bind_interdomain
(xen_9pdev->rings[i].evtchndev,
xendev->dom,
xen_9pdev->rings[i].evtchn);
if (xen_9pdev->rings[i].local_port == -1) {
xen_pv_printf(xendev, 0,
"xenevtchn_bind_interdomain failed port=%d\n",
xen_9pdev->rings[i].evtchn);
goto out;
}
xen_pv_printf(xendev, 2, "bind evtchn port %d\n", xendev->local_port);
qemu_set_fd_handler(xenevtchn_fd(xen_9pdev->rings[i].evtchndev),
xen_9pfs_evtchn_event, NULL, &xen_9pdev->rings[i]);
}
xen_9pdev->security_model = xenstore_read_be_str(xendev, "security_model");
xen_9pdev->path = xenstore_read_be_str(xendev, "path");
xen_9pdev->id = s->fsconf.fsdev_id =
g_strdup_printf("xen9p%d", xendev->dev);
xen_9pdev->tag = s->fsconf.tag = xenstore_read_fe_str(xendev, "tag");
fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
s->fsconf.tag,
1, NULL);
qemu_opt_set(fsdev, "fsdriver", "local", NULL);
qemu_opt_set(fsdev, "path", xen_9pdev->path, NULL);
qemu_opt_set(fsdev, "security_model", xen_9pdev->security_model, NULL);
qemu_opts_set_id(fsdev, s->fsconf.fsdev_id);
qemu_fsdev_add(fsdev, &err);
if (err) {
error_report_err(err);
}
v9fs_device_realize_common(s, &xen_9p_transport, NULL);
return 0;
out:
xen_9pfs_free(xendev);
return -1;
}
static void vde_cleanup(NetClientState *nc)
{
VDEState *s = DO_UPCAST(VDEState, nc, nc);
qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL);
vde_close(s->vde);
}
static USBDevice *usb_host_device_open_addr(int bus_num, int addr, const char *prod_name)
{
int fd = -1, ret;
USBHostDevice *dev = NULL;
struct usbdevfs_connectinfo ci;
char buf[1024];
dev = qemu_mallocz(sizeof(USBHostDevice));
if (!dev)
goto fail;
dev->bus_num = bus_num;
dev->addr = addr;
printf("husb: open device %d.%d\n", bus_num, addr);
if (!usb_host_device_path) {
perror("husb: USB Host Device Path not set");
goto fail;
}
snprintf(buf, sizeof(buf), "%s/%03d/%03d", usb_host_device_path,
bus_num, addr);
fd = open(buf, O_RDWR | O_NONBLOCK);
if (fd < 0) {
perror(buf);
goto fail;
}
dprintf("husb: opened %s\n", buf);
/* read the device description */
dev->descr_len = read(fd, dev->descr, sizeof(dev->descr));
if (dev->descr_len <= 0) {
perror("husb: reading device data failed");
goto fail;
}
#ifdef DEBUG
{
int x;
printf("=== begin dumping device descriptor data ===\n");
for (x = 0; x < dev->descr_len; x++)
printf("%02x ", dev->descr[x]);
printf("\n=== end dumping device descriptor data ===\n");
}
#endif
dev->fd = fd;
/*
* Initial configuration is -1 which makes us claim first
* available config. We used to start with 1, which does not
* always work. I've seen devices where first config starts
* with 2.
*/
if (!usb_host_claim_interfaces(dev, -1))
goto fail;
ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci);
if (ret < 0) {
perror("usb_host_device_open: USBDEVFS_CONNECTINFO");
goto fail;
}
printf("husb: grabbed usb device %d.%d\n", bus_num, addr);
ret = usb_linux_update_endp_table(dev);
if (ret)
goto fail;
if (ci.slow)
dev->dev.speed = USB_SPEED_LOW;
else
dev->dev.speed = USB_SPEED_HIGH;
dev->dev.handle_packet = usb_host_handle_packet;
dev->dev.handle_reset = usb_host_handle_reset;
dev->dev.handle_destroy = usb_host_handle_destroy;
if (!prod_name || prod_name[0] == '\0')
snprintf(dev->dev.devname, sizeof(dev->dev.devname),
"host:%d.%d", bus_num, addr);
else
pstrcpy(dev->dev.devname, sizeof(dev->dev.devname),
prod_name);
/* USB devio uses 'write' flag to check for async completions */
qemu_set_fd_handler(dev->fd, NULL, async_complete, dev);
hostdev_link(dev);
return (USBDevice *) dev;
fail:
if (dev)
qemu_free(dev);
close(fd);
return NULL;
}
static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
const char *model,
const char *name,
int fd, int is_connected)
{
struct sockaddr_in saddr;
int newfd;
socklen_t saddr_len;
NetClientState *nc;
NetSocketState *s;
/* fd passed: multicast: "learn" dgram_dst address from bound address and save it
* Because this may be "shared" socket from a "master" process, datagrams would be recv()
* by ONLY ONE process: we must "clone" this dgram socket --jjo
*/
if (is_connected) {
if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
/* must be bound */
if (saddr.sin_addr.s_addr == 0) {
fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, "
"cannot setup multicast dst addr\n", fd);
goto err;
}
/* clone dgram socket */
newfd = net_socket_mcast_create(&saddr, NULL);
if (newfd < 0) {
/* error already reported by net_socket_mcast_create() */
goto err;
}
/* clone newfd to fd, close newfd */
dup2(newfd, fd);
close(newfd);
} else {
fprintf(stderr,
"qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
fd, strerror(errno));
goto err;
}
}
nc = qemu_new_net_client(&net_dgram_socket_info, peer, model, name);
snprintf(nc->info_str, sizeof(nc->info_str),
"socket: fd=%d (%s mcast=%s:%d)",
fd, is_connected ? "cloned" : "",
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
s = DO_UPCAST(NetSocketState, nc, nc);
s->fd = fd;
s->listen_fd = -1;
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
/* mcast: save bound address as dst */
if (is_connected) {
s->dgram_dst = saddr;
}
return s;
err:
closesocket(fd);
return NULL;
}
void sys_channel_close( SysChannel channel )
{
qemu_set_fd_handler( channel->fd, NULL, NULL, NULL );
sys_channel_free( channel );
}
static void net_socket_connect(void *opaque)
{
NetSocketState *s = opaque;
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
}
void command_loop(void)
{
int c, i, j = 0, done = 0, fetchable = 0, prompted = 0;
char *input;
char **v;
const cmdinfo_t *ct;
for (i = 0; !done && i < ncmdline; i++) {
input = strdup(cmdline[i]);
if (!input) {
fprintf(stderr, _("cannot strdup command '%s': %s\n"),
cmdline[i], strerror(errno));
exit(1);
}
v = breakline(input, &c);
if (c) {
ct = find_command(v[0]);
if (ct) {
if (ct->flags & CMD_FLAG_GLOBAL) {
done = command(ct, c, v);
} else {
j = 0;
while (!done && (j = args_command(j))) {
done = command(ct, c, v);
}
}
} else {
fprintf(stderr, _("command \"%s\" not found\n"), v[0]);
}
}
doneline(input, v);
}
if (cmdline) {
g_free(cmdline);
return;
}
while (!done) {
if (!prompted) {
printf("%s", get_prompt());
fflush(stdout);
qemu_set_fd_handler(STDIN_FILENO, prep_fetchline, NULL, &fetchable);
prompted = 1;
}
main_loop_wait(false);
if (!fetchable) {
continue;
}
input = fetchline();
if (input == NULL) {
break;
}
v = breakline(input, &c);
if (c) {
ct = find_command(v[0]);
if (ct) {
done = command(ct, c, v);
} else {
fprintf(stderr, _("command \"%s\" not found\n"), v[0]);
}
}
doneline(input, v);
prompted = 0;
fetchable = 0;
}
qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL);
}