static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs =
QTAILQ_HEAD_INITIALIZER(chardevs);
-static void qemu_chr_event(CharDriverState *s, int event)
+void qemu_chr_be_event(CharDriverState *s, int event)
{
/* Keep track if the char device is open */
switch (event) {
static void qemu_chr_generic_open_bh(void *opaque)
{
CharDriverState *s = opaque;
- qemu_chr_event(s, CHR_EVENT_OPENED);
+ qemu_chr_be_event(s, CHR_EVENT_OPENED);
qemu_bh_delete(s->bh);
s->bh = NULL;
}
bdrv_commit_all();
break;
case 'b':
- qemu_chr_event(chr, CHR_EVENT_BREAK);
+ qemu_chr_be_event(chr, CHR_EVENT_BREAK);
break;
case 'c':
/* Switch to the next registered device */
}
#endif /* !_WIN32 */
+#define STDIO_MAX_CLIENTS 1
+static int stdio_nb_clients;
+
#ifndef _WIN32
typedef struct {
int max_size;
} FDCharDriver;
-#define STDIO_MAX_CLIENTS 1
-static int stdio_nb_clients = 0;
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
if (size == 0) {
/* FD has been closed. Remove it from the active list. */
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
return;
}
if (size > 0) {
}
g_free(s);
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
/* open a character device to a unix fd */
if (size == 0) {
/* stdin has been closed. Remove it from the active list. */
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
return;
}
if (size > 0) {
qemu_del_timer(s->timer);
qemu_free_timer(s->timer);
g_free(s);
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
static int qemu_chr_open_pty(QemuOpts *opts, CharDriverState **_chr)
CharDriverState *chr;
PtyCharDriver *s;
struct termios tty;
- int slave_fd, len;
+ int master_fd, slave_fd, len;
#if defined(__OpenBSD__) || defined(__DragonFly__)
char pty_name[PATH_MAX];
#define q_ptsname(x) pty_name
#define q_ptsname(x) ptsname(x)
#endif
- chr = g_malloc0(sizeof(CharDriverState));
- s = g_malloc0(sizeof(PtyCharDriver));
-
- if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) {
+ if (openpty(&master_fd, &slave_fd, pty_name, NULL, NULL) < 0) {
return -errno;
}
tcsetattr(slave_fd, TCSAFLUSH, &tty);
close(slave_fd);
- len = strlen(q_ptsname(s->fd)) + 5;
+ chr = g_malloc0(sizeof(CharDriverState));
+
+ len = strlen(q_ptsname(master_fd)) + 5;
chr->filename = g_malloc(len);
- snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd));
- qemu_opt_set(opts, "path", q_ptsname(s->fd));
- fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
+ snprintf(chr->filename, len, "pty:%s", q_ptsname(master_fd));
+ qemu_opt_set(opts, "path", q_ptsname(master_fd));
+ fprintf(stderr, "char device redirected to %s\n", q_ptsname(master_fd));
+ s = g_malloc0(sizeof(PtyCharDriver));
chr->opaque = s;
chr->chr_write = pty_chr_write;
chr->chr_update_read_handler = pty_chr_update_read_handler;
chr->chr_close = pty_chr_close;
+ s->fd = master_fd;
s->timer = qemu_new_timer_ms(rt_clock, pty_chr_timer, chr);
*_chr = chr;
ioctl(fd, PPRELEASE);
close(fd);
g_free(drv);
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
static int qemu_chr_open_pp(QemuOpts *opts, CharDriverState **_chr)
#else /* _WIN32 */
+static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
+
typedef struct {
int max_size;
HANDLE hcom, hrecv, hsend;
DWORD len;
} WinCharState;
+typedef struct {
+ HANDLE hStdIn;
+ HANDLE hInputReadyEvent;
+ HANDLE hInputDoneEvent;
+ HANDLE hInputThread;
+ uint8_t win_stdio_buf;
+} WinStdioCharState;
+
#define NSENDBUF 2048
#define NRECVBUF 2048
#define MAXCONNECT 1
else
qemu_del_polling_cb(win_chr_poll, chr);
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
static int win_chr_init(CharDriverState *chr, const char *filename)
return qemu_chr_open_win_file(fd_out, _chr);
}
+
+static int win_stdio_write(CharDriverState *chr, const uint8_t *buf, int len)
+{
+ HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
+ DWORD dwSize;
+ int len1;
+
+ len1 = len;
+
+ while (len1 > 0) {
+ if (!WriteFile(hStdOut, buf, len1, &dwSize, NULL)) {
+ break;
+ }
+ buf += dwSize;
+ len1 -= dwSize;
+ }
+
+ return len - len1;
+}
+
+static void win_stdio_wait_func(void *opaque)
+{
+ CharDriverState *chr = opaque;
+ WinStdioCharState *stdio = chr->opaque;
+ INPUT_RECORD buf[4];
+ int ret;
+ DWORD dwSize;
+ int i;
+
+ ret = ReadConsoleInput(stdio->hStdIn, buf, sizeof(buf) / sizeof(*buf),
+ &dwSize);
+
+ if (!ret) {
+ /* Avoid error storm */
+ qemu_del_wait_object(stdio->hStdIn, NULL, NULL);
+ return;
+ }
+
+ for (i = 0; i < dwSize; i++) {
+ KEY_EVENT_RECORD *kev = &buf[i].Event.KeyEvent;
+
+ if (buf[i].EventType == KEY_EVENT && kev->bKeyDown) {
+ int j;
+ if (kev->uChar.AsciiChar != 0) {
+ for (j = 0; j < kev->wRepeatCount; j++) {
+ if (qemu_chr_be_can_write(chr)) {
+ uint8_t c = kev->uChar.AsciiChar;
+ qemu_chr_be_write(chr, &c, 1);
+ }
+ }
+ }
+ }
+ }
+}
+
+static DWORD WINAPI win_stdio_thread(LPVOID param)
+{
+ CharDriverState *chr = param;
+ WinStdioCharState *stdio = chr->opaque;
+ int ret;
+ DWORD dwSize;
+
+ while (1) {
+
+ /* Wait for one byte */
+ ret = ReadFile(stdio->hStdIn, &stdio->win_stdio_buf, 1, &dwSize, NULL);
+
+ /* Exit in case of error, continue if nothing read */
+ if (!ret) {
+ break;
+ }
+ if (!dwSize) {
+ continue;
+ }
+
+ /* Some terminal emulator returns \r\n for Enter, just pass \n */
+ if (stdio->win_stdio_buf == '\r') {
+ continue;
+ }
+
+ /* Signal the main thread and wait until the byte was eaten */
+ if (!SetEvent(stdio->hInputReadyEvent)) {
+ break;
+ }
+ if (WaitForSingleObject(stdio->hInputDoneEvent, INFINITE)
+ != WAIT_OBJECT_0) {
+ break;
+ }
+ }
+
+ qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL);
+ return 0;
+}
+
+static void win_stdio_thread_wait_func(void *opaque)
+{
+ CharDriverState *chr = opaque;
+ WinStdioCharState *stdio = chr->opaque;
+
+ if (qemu_chr_be_can_write(chr)) {
+ qemu_chr_be_write(chr, &stdio->win_stdio_buf, 1);
+ }
+
+ SetEvent(stdio->hInputDoneEvent);
+}
+
+static void qemu_chr_set_echo_win_stdio(CharDriverState *chr, bool echo)
+{
+ WinStdioCharState *stdio = chr->opaque;
+ DWORD dwMode = 0;
+
+ GetConsoleMode(stdio->hStdIn, &dwMode);
+
+ if (echo) {
+ SetConsoleMode(stdio->hStdIn, dwMode | ENABLE_ECHO_INPUT);
+ } else {
+ SetConsoleMode(stdio->hStdIn, dwMode & ~ENABLE_ECHO_INPUT);
+ }
+}
+
+static void win_stdio_close(CharDriverState *chr)
+{
+ WinStdioCharState *stdio = chr->opaque;
+
+ if (stdio->hInputReadyEvent != INVALID_HANDLE_VALUE) {
+ CloseHandle(stdio->hInputReadyEvent);
+ }
+ if (stdio->hInputDoneEvent != INVALID_HANDLE_VALUE) {
+ CloseHandle(stdio->hInputDoneEvent);
+ }
+ if (stdio->hInputThread != INVALID_HANDLE_VALUE) {
+ TerminateThread(stdio->hInputThread, 0);
+ }
+
+ g_free(chr->opaque);
+ g_free(chr);
+ stdio_nb_clients--;
+}
+
+static int qemu_chr_open_win_stdio(QemuOpts *opts, CharDriverState **_chr)
+{
+ CharDriverState *chr;
+ WinStdioCharState *stdio;
+ DWORD dwMode;
+ int is_console = 0;
+
+ if (stdio_nb_clients >= STDIO_MAX_CLIENTS
+ || ((display_type != DT_NOGRAPHIC) && (stdio_nb_clients != 0))) {
+ return -EIO;
+ }
+
+ chr = g_malloc0(sizeof(CharDriverState));
+ stdio = g_malloc0(sizeof(WinStdioCharState));
+
+ stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE);
+ if (stdio->hStdIn == INVALID_HANDLE_VALUE) {
+ fprintf(stderr, "cannot open stdio: invalid handle\n");
+ exit(1);
+ }
+
+ is_console = GetConsoleMode(stdio->hStdIn, &dwMode) != 0;
+
+ chr->opaque = stdio;
+ chr->chr_write = win_stdio_write;
+ chr->chr_close = win_stdio_close;
+
+ if (stdio_nb_clients == 0) {
+ if (is_console) {
+ if (qemu_add_wait_object(stdio->hStdIn,
+ win_stdio_wait_func, chr)) {
+ fprintf(stderr, "qemu_add_wait_object: failed\n");
+ }
+ } 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
+ || stdio->hInputDoneEvent == INVALID_HANDLE_VALUE) {
+ fprintf(stderr, "cannot create stdio thread or event\n");
+ exit(1);
+ }
+ if (qemu_add_wait_object(stdio->hInputReadyEvent,
+ win_stdio_thread_wait_func, chr)) {
+ fprintf(stderr, "qemu_add_wait_object: failed\n");
+ }
+ }
+ }
+
+ dwMode |= ENABLE_LINE_INPUT;
+
+ stdio_clients[stdio_nb_clients++] = chr;
+ if (stdio_nb_clients == 1 && is_console) {
+ /* set the terminal in raw mode */
+ /* ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS */
+ dwMode |= ENABLE_PROCESSED_INPUT;
+ }
+
+ SetConsoleMode(stdio->hStdIn, dwMode);
+
+ chr->chr_set_echo = qemu_chr_set_echo_win_stdio;
+ qemu_chr_fe_set_echo(chr, false);
+
+ *_chr = chr;
+
+ return 0;
+}
#endif /* !_WIN32 */
/***********************************************************/
closesocket(s->fd);
}
g_free(s);
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
static int qemu_chr_open_udp(QemuOpts *opts, CharDriverState **_chr)
} else {
if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
/* Handle IAC break commands by sending a serial break */
- qemu_chr_event(chr, CHR_EVENT_BREAK);
+ qemu_chr_be_event(chr, CHR_EVENT_BREAK);
s->do_telnetopt++;
}
s->do_telnetopt++;
qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
closesocket(s->fd);
s->fd = -1;
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
} else if (size > 0) {
if (s->do_telnetopt)
tcp_chr_process_IAC_bytes(chr, s, buf, &size);
closesocket(s->listen_fd);
}
g_free(s);
- qemu_chr_event(chr, CHR_EVENT_CLOSED);
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
}
static int qemu_chr_open_socket(QemuOpts *opts, CharDriverState **_chr)
{ .name = "pipe", .open = qemu_chr_open_win_pipe },
{ .name = "console", .open = qemu_chr_open_win_con },
{ .name = "serial", .open = qemu_chr_open_win },
+ { .name = "stdio", .open = qemu_chr_open_win_stdio },
#else
{ .name = "file", .open = qemu_chr_open_file_out },
{ .name = "pipe", .open = qemu_chr_open_pipe },
projects / lisovros / qemu_apohw.git / blobdiff