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authorMarc-André Lureau <marcandre.lureau@redhat.com>2016-12-12 19:06:35 +0300
committerMarc-André Lureau <marcandre.lureau@redhat.com>2017-01-31 23:31:21 +0400
commit1fcb3841d066dde19619c09b22fee0a87fe0adcb (patch)
treee73bd9d89e1d4ddf218def4697df517261cacfc3 /chardev
parent7c7b2db0bd6d959ddc3d3fa178411d6c2df015b7 (diff)
char: move pipe chardev in its own file
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'chardev')
-rw-r--r--chardev/Makefile.objs1
-rw-r--r--chardev/char-pipe.c191
-rw-r--r--chardev/char.c166
3 files changed, 192 insertions, 166 deletions
diff --git a/chardev/Makefile.objs b/chardev/Makefile.objs
index 265a6dad5d..778b312377 100644
--- a/chardev/Makefile.objs
+++ b/chardev/Makefile.objs
@@ -5,6 +5,7 @@ chardev-obj-y += char-file.o
chardev-obj-y += char-io.o
chardev-obj-y += char-mux.o
chardev-obj-y += char-null.o
+chardev-obj-y += char-pipe.o
chardev-obj-y += char-ringbuf.o
chardev-obj-y += char-socket.o
chardev-obj-y += char-stdio.o
diff --git a/chardev/char-pipe.c b/chardev/char-pipe.c
new file mode 100644
index 0000000000..54240c863d
--- /dev/null
+++ b/chardev/char-pipe.c
@@ -0,0 +1,191 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "sysemu/char.h"
+
+#ifdef _WIN32
+#include "char-win.h"
+#else
+#include "char-fd.h"
+#endif
+
+#ifdef _WIN32
+#define MAXCONNECT 1
+#define NTIMEOUT 5000
+
+static int win_chr_pipe_init(Chardev *chr, const char *filename,
+ Error **errp)
+{
+ WinChardev *s = WIN_CHARDEV(chr);
+ OVERLAPPED ov;
+ int ret;
+ DWORD size;
+ char *openname;
+
+ s->fpipe = TRUE;
+
+ s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if (!s->hsend) {
+ error_setg(errp, "Failed CreateEvent");
+ goto fail;
+ }
+ s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if (!s->hrecv) {
+ error_setg(errp, "Failed CreateEvent");
+ goto fail;
+ }
+
+ 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) {
+ error_setg(errp, "Failed CreateNamedPipe (%lu)", GetLastError());
+ s->hcom = NULL;
+ goto fail;
+ }
+
+ ZeroMemory(&ov, sizeof(ov));
+ ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+ ret = ConnectNamedPipe(s->hcom, &ov);
+ if (ret) {
+ error_setg(errp, "Failed ConnectNamedPipe");
+ goto fail;
+ }
+
+ ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
+ if (!ret) {
+ error_setg(errp, "Failed GetOverlappedResult");
+ if (ov.hEvent) {
+ CloseHandle(ov.hEvent);
+ ov.hEvent = NULL;
+ }
+ goto fail;
+ }
+
+ if (ov.hEvent) {
+ CloseHandle(ov.hEvent);
+ ov.hEvent = NULL;
+ }
+ qemu_add_polling_cb(win_chr_pipe_poll, chr);
+ return 0;
+
+ fail:
+ return -1;
+}
+
+static void qemu_chr_open_pipe(Chardev *chr,
+ ChardevBackend *backend,
+ bool *be_opened,
+ Error **errp)
+{
+ ChardevHostdev *opts = backend->u.pipe.data;
+ const char *filename = opts->device;
+
+ if (win_chr_pipe_init(chr, filename, errp) < 0) {
+ return;
+ }
+}
+
+#else
+
+static void qemu_chr_open_pipe(Chardev *chr,
+ ChardevBackend *backend,
+ bool *be_opened,
+ Error **errp)
+{
+ ChardevHostdev *opts = backend->u.pipe.data;
+ int fd_in, fd_out;
+ char *filename_in;
+ char *filename_out;
+ const char *filename = opts->device;
+
+ 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);
+ }
+ if (fd_out >= 0) {
+ 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;
+ }
+ }
+ qemu_chr_open_fd(chr, fd_in, fd_out);
+}
+
+#endif /* !_WIN32 */
+
+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->type = CHARDEV_BACKEND_KIND_PIPE;
+ 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 char_pipe_class_init(ObjectClass *oc, void *data)
+{
+ ChardevClass *cc = CHARDEV_CLASS(oc);
+
+ cc->parse = qemu_chr_parse_pipe;
+ cc->open = qemu_chr_open_pipe;
+}
+
+static const TypeInfo char_pipe_type_info = {
+ .name = TYPE_CHARDEV_PIPE,
+#ifdef _WIN32
+ .parent = TYPE_CHARDEV_WIN,
+#else
+ .parent = TYPE_CHARDEV_FD,
+#endif
+ .class_init = char_pipe_class_init,
+};
+
+static void register_types(void)
+{
+ type_register_static(&char_pipe_type_info);
+}
+
+type_init(register_types);
diff --git a/chardev/char.c b/chardev/char.c
index 8ae8b5a4c3..b542c25cec 100644
--- a/chardev/char.c
+++ b/chardev/char.c
@@ -655,36 +655,6 @@ void qemu_chr_fe_take_focus(CharBackend *b)
}
#ifndef _WIN32
-static void qemu_chr_open_pipe(Chardev *chr,
- ChardevBackend *backend,
- bool *be_opened,
- Error **errp)
-{
- ChardevHostdev *opts = backend->u.pipe.data;
- int fd_in, fd_out;
- char *filename_in;
- char *filename_out;
- const char *filename = opts->device;
-
- 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);
- if (fd_out >= 0)
- 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;
- }
- }
- qemu_chr_open_fd(chr, fd_in, fd_out);
-}
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
@@ -1325,107 +1295,6 @@ static void qemu_chr_open_pp_fd(Chardev *chr,
#define HAVE_CHARDEV_SERIAL 1
-#define MAXCONNECT 1
-#define NTIMEOUT 5000
-
-static int win_chr_pipe_init(Chardev *chr, const char *filename,
- Error **errp)
-{
- WinChardev *s = WIN_CHARDEV(chr);
- OVERLAPPED ov;
- int ret;
- DWORD size;
- char *openname;
-
- s->fpipe = TRUE;
-
- s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
- if (!s->hsend) {
- error_setg(errp, "Failed CreateEvent");
- goto fail;
- }
- s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
- if (!s->hrecv) {
- error_setg(errp, "Failed CreateEvent");
- goto fail;
- }
-
- 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) {
- error_setg(errp, "Failed CreateNamedPipe (%lu)", GetLastError());
- s->hcom = NULL;
- goto fail;
- }
-
- ZeroMemory(&ov, sizeof(ov));
- ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
- ret = ConnectNamedPipe(s->hcom, &ov);
- if (ret) {
- error_setg(errp, "Failed ConnectNamedPipe");
- goto fail;
- }
-
- ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
- if (!ret) {
- error_setg(errp, "Failed GetOverlappedResult");
- if (ov.hEvent) {
- CloseHandle(ov.hEvent);
- ov.hEvent = NULL;
- }
- goto fail;
- }
-
- if (ov.hEvent) {
- CloseHandle(ov.hEvent);
- ov.hEvent = NULL;
- }
- qemu_add_polling_cb(win_chr_pipe_poll, chr);
- return 0;
-
- fail:
- return -1;
-}
-
-
-static void qemu_chr_open_pipe(Chardev *chr,
- ChardevBackend *backend,
- bool *be_opened,
- Error **errp)
-{
- ChardevHostdev *opts = backend->u.pipe.data;
- const char *filename = opts->device;
-
- if (win_chr_pipe_init(chr, filename, errp) < 0) {
- return;
- }
-}
-
-static void qemu_chr_open_win_con(Chardev *chr,
- ChardevBackend *backend,
- bool *be_opened,
- Error **errp)
-{
- qemu_chr_open_win_file(chr, GetStdHandle(STD_OUTPUT_HANDLE));
-}
-
-static void char_console_class_init(ObjectClass *oc, void *data)
-{
- ChardevClass *cc = CHARDEV_CLASS(oc);
-
- cc->open = qemu_chr_open_win_con;
-}
-
-static const TypeInfo char_console_type_info = {
- .name = TYPE_CHARDEV_CONSOLE,
- .parent = TYPE_CHARDEV_WIN,
- .class_init = char_console_class_init,
-};
-
#endif /* !_WIN32 */
int qemu_chr_wait_connected(Chardev *chr, Error **errp)
@@ -1638,40 +1507,6 @@ static void qemu_chr_parse_parallel(QemuOpts *opts, ChardevBackend *backend,
}
#endif
-static void qemu_chr_parse_pipe(QemuOpts *opts, ChardevBackend *backend,
- Error **errp)
-{
- const char *device = qemu_opt_get(opts, "path");
- ChardevHostdev *dev;
-
- backend->type = CHARDEV_BACKEND_KIND_PIPE;
- if (device == NULL) {
- error_setg(errp, "chardev: pipe: no device path given");
- return;
- }
- 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 char_pipe_class_init(ObjectClass *oc, void *data)
-{
- ChardevClass *cc = CHARDEV_CLASS(oc);
-
- cc->parse = qemu_chr_parse_pipe;
- cc->open = qemu_chr_open_pipe;
-}
-
-static const TypeInfo char_pipe_type_info = {
- .name = TYPE_CHARDEV_PIPE,
-#ifdef _WIN32
- .parent = TYPE_CHARDEV_WIN,
-#else
- .parent = TYPE_CHARDEV_FD,
-#endif
- .class_init = char_pipe_class_init,
-};
-
static const ChardevClass *char_get_class(const char *driver, Error **errp)
{
ObjectClass *oc;
@@ -2343,7 +2178,6 @@ static void register_types(void)
#ifdef HAVE_CHARDEV_PTY
type_register_static(&char_pty_type_info);
#endif
- type_register_static(&char_pipe_type_info);
/* this must be done after machine init, since we register FEs with muxes
* as part of realize functions like serial_isa_realizefn when -nographic