The check should be unnecessary since commit
e7b3af8159
"glib: bump min required glib
library version to 2.40".
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180730153639.26466-1-marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
831 lines
22 KiB
C
831 lines
22 KiB
C
#include "qemu/osdep.h"
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#include <glib/gstdio.h>
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#include "qemu/config-file.h"
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#include "qemu/option.h"
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#include "qemu/sockets.h"
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#include "chardev/char-fe.h"
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#include "chardev/char-mux.h"
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#include "sysemu/sysemu.h"
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#include "qapi/error.h"
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#include "qapi/qapi-commands-char.h"
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#include "qapi/qmp/qdict.h"
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#include "qom/qom-qobject.h"
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static bool quit;
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typedef struct FeHandler {
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int read_count;
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int last_event;
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char read_buf[128];
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} FeHandler;
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static void main_loop(void)
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{
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quit = false;
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do {
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main_loop_wait(false);
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} while (!quit);
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}
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static int fe_can_read(void *opaque)
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{
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FeHandler *h = opaque;
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return sizeof(h->read_buf) - h->read_count;
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}
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static void fe_read(void *opaque, const uint8_t *buf, int size)
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{
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FeHandler *h = opaque;
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g_assert_cmpint(size, <=, fe_can_read(opaque));
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memcpy(h->read_buf + h->read_count, buf, size);
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h->read_count += size;
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quit = true;
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}
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static void fe_event(void *opaque, int event)
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{
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FeHandler *h = opaque;
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h->last_event = event;
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if (event != CHR_EVENT_BREAK) {
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quit = true;
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}
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}
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#ifdef _WIN32
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static void char_console_test_subprocess(void)
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{
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QemuOpts *opts;
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Chardev *chr;
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opts = qemu_opts_create(qemu_find_opts("chardev"), "console-label",
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1, &error_abort);
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qemu_opt_set(opts, "backend", "console", &error_abort);
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chr = qemu_chr_new_from_opts(opts, NULL);
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g_assert_nonnull(chr);
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qemu_chr_write_all(chr, (const uint8_t *)"CONSOLE", 7);
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qemu_opts_del(opts);
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object_unparent(OBJECT(chr));
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}
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static void char_console_test(void)
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{
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g_test_trap_subprocess("/char/console/subprocess", 0, 0);
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g_test_trap_assert_passed();
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g_test_trap_assert_stdout("CONSOLE");
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}
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#endif
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static void char_stdio_test_subprocess(void)
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{
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Chardev *chr;
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CharBackend be;
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int ret;
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chr = qemu_chr_new("label", "stdio");
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g_assert_nonnull(chr);
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qemu_chr_fe_init(&be, chr, &error_abort);
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qemu_chr_fe_set_open(&be, true);
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ret = qemu_chr_fe_write(&be, (void *)"buf", 4);
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g_assert_cmpint(ret, ==, 4);
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qemu_chr_fe_deinit(&be, true);
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}
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static void char_stdio_test(void)
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{
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g_test_trap_subprocess("/char/stdio/subprocess", 0, 0);
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g_test_trap_assert_passed();
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g_test_trap_assert_stdout("buf");
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}
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static void char_ringbuf_test(void)
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{
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QemuOpts *opts;
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Chardev *chr;
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CharBackend be;
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char *data;
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int ret;
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opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
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1, &error_abort);
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qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
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qemu_opt_set(opts, "size", "5", &error_abort);
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chr = qemu_chr_new_from_opts(opts, NULL);
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g_assert_null(chr);
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qemu_opts_del(opts);
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opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
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1, &error_abort);
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qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
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qemu_opt_set(opts, "size", "2", &error_abort);
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chr = qemu_chr_new_from_opts(opts, &error_abort);
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g_assert_nonnull(chr);
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qemu_opts_del(opts);
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qemu_chr_fe_init(&be, chr, &error_abort);
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ret = qemu_chr_fe_write(&be, (void *)"buff", 4);
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g_assert_cmpint(ret, ==, 4);
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data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
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g_assert_cmpstr(data, ==, "ff");
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g_free(data);
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data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
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g_assert_cmpstr(data, ==, "");
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g_free(data);
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qemu_chr_fe_deinit(&be, true);
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/* check alias */
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opts = qemu_opts_create(qemu_find_opts("chardev"), "memory-label",
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1, &error_abort);
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qemu_opt_set(opts, "backend", "memory", &error_abort);
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qemu_opt_set(opts, "size", "2", &error_abort);
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chr = qemu_chr_new_from_opts(opts, NULL);
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g_assert_nonnull(chr);
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object_unparent(OBJECT(chr));
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qemu_opts_del(opts);
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}
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static void char_mux_test(void)
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{
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QemuOpts *opts;
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Chardev *chr, *base;
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char *data;
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FeHandler h1 = { 0, }, h2 = { 0, };
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CharBackend chr_be1, chr_be2;
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opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label",
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1, &error_abort);
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qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
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qemu_opt_set(opts, "size", "128", &error_abort);
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qemu_opt_set(opts, "mux", "on", &error_abort);
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chr = qemu_chr_new_from_opts(opts, &error_abort);
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g_assert_nonnull(chr);
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qemu_opts_del(opts);
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qemu_chr_fe_init(&chr_be1, chr, &error_abort);
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qemu_chr_fe_set_handlers(&chr_be1,
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fe_can_read,
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fe_read,
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fe_event,
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NULL,
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&h1,
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NULL, true);
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qemu_chr_fe_init(&chr_be2, chr, &error_abort);
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qemu_chr_fe_set_handlers(&chr_be2,
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fe_can_read,
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fe_read,
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fe_event,
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NULL,
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&h2,
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NULL, true);
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qemu_chr_fe_take_focus(&chr_be2);
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base = qemu_chr_find("mux-label-base");
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g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0);
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qemu_chr_be_write(base, (void *)"hello", 6);
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g_assert_cmpint(h1.read_count, ==, 0);
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g_assert_cmpint(h2.read_count, ==, 6);
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g_assert_cmpstr(h2.read_buf, ==, "hello");
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h2.read_count = 0;
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g_assert_cmpint(h1.last_event, !=, 42); /* should be MUX_OUT or OPENED */
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g_assert_cmpint(h2.last_event, !=, 42); /* should be MUX_IN or OPENED */
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/* sending event on the base broadcast to all fe, historical reasons? */
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qemu_chr_be_event(base, 42);
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g_assert_cmpint(h1.last_event, ==, 42);
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g_assert_cmpint(h2.last_event, ==, 42);
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qemu_chr_be_event(chr, -1);
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g_assert_cmpint(h1.last_event, ==, 42);
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g_assert_cmpint(h2.last_event, ==, -1);
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/* switch focus */
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qemu_chr_be_write(base, (void *)"\1b", 2);
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g_assert_cmpint(h1.last_event, ==, 42);
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g_assert_cmpint(h2.last_event, ==, CHR_EVENT_BREAK);
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qemu_chr_be_write(base, (void *)"\1c", 2);
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g_assert_cmpint(h1.last_event, ==, CHR_EVENT_MUX_IN);
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g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
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qemu_chr_be_event(chr, -1);
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g_assert_cmpint(h1.last_event, ==, -1);
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g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
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qemu_chr_be_write(base, (void *)"hello", 6);
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g_assert_cmpint(h2.read_count, ==, 0);
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g_assert_cmpint(h1.read_count, ==, 6);
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g_assert_cmpstr(h1.read_buf, ==, "hello");
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h1.read_count = 0;
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qemu_chr_be_write(base, (void *)"\1b", 2);
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g_assert_cmpint(h1.last_event, ==, CHR_EVENT_BREAK);
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g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
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/* remove first handler */
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qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL,
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NULL, NULL, true);
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qemu_chr_be_write(base, (void *)"hello", 6);
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g_assert_cmpint(h1.read_count, ==, 0);
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g_assert_cmpint(h2.read_count, ==, 0);
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qemu_chr_be_write(base, (void *)"\1c", 2);
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qemu_chr_be_write(base, (void *)"hello", 6);
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g_assert_cmpint(h1.read_count, ==, 0);
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g_assert_cmpint(h2.read_count, ==, 6);
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g_assert_cmpstr(h2.read_buf, ==, "hello");
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h2.read_count = 0;
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/* print help */
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qemu_chr_be_write(base, (void *)"\1?", 2);
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data = qmp_ringbuf_read("mux-label-base", 128, false, 0, &error_abort);
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g_assert_cmpint(strlen(data), !=, 0);
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g_free(data);
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qemu_chr_fe_deinit(&chr_be1, false);
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qemu_chr_fe_deinit(&chr_be2, true);
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}
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typedef struct SocketIdleData {
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GMainLoop *loop;
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Chardev *chr;
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bool conn_expected;
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CharBackend *be;
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CharBackend *client_be;
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} SocketIdleData;
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static gboolean char_socket_test_idle(gpointer user_data)
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{
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SocketIdleData *data = user_data;
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if (object_property_get_bool(OBJECT(data->chr), "connected", NULL)
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== data->conn_expected) {
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quit = true;
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return FALSE;
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}
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return TRUE;
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}
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static void socket_read(void *opaque, const uint8_t *buf, int size)
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{
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SocketIdleData *data = opaque;
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g_assert_cmpint(size, ==, 1);
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g_assert_cmpint(*buf, ==, 'Z');
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size = qemu_chr_fe_write(data->be, (const uint8_t *)"hello", 5);
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g_assert_cmpint(size, ==, 5);
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}
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static int socket_can_read(void *opaque)
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{
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return 10;
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}
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static void socket_read_hello(void *opaque, const uint8_t *buf, int size)
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{
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g_assert_cmpint(size, ==, 5);
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g_assert(strncmp((char *)buf, "hello", 5) == 0);
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quit = true;
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}
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static int socket_can_read_hello(void *opaque)
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{
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return 10;
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}
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static void char_socket_test_common(Chardev *chr)
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{
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Chardev *chr_client;
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QObject *addr;
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QDict *qdict;
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const char *port;
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SocketIdleData d = { .chr = chr };
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CharBackend be;
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CharBackend client_be;
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char *tmp;
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d.be = &be;
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d.client_be = &be;
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g_assert_nonnull(chr);
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g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort));
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addr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort);
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qdict = qobject_to(QDict, addr);
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port = qdict_get_str(qdict, "port");
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tmp = g_strdup_printf("tcp:127.0.0.1:%s", port);
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qobject_unref(qdict);
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qemu_chr_fe_init(&be, chr, &error_abort);
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qemu_chr_fe_set_handlers(&be, socket_can_read, socket_read,
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NULL, NULL, &d, NULL, true);
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chr_client = qemu_chr_new("client", tmp);
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qemu_chr_fe_init(&client_be, chr_client, &error_abort);
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qemu_chr_fe_set_handlers(&client_be, socket_can_read_hello,
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socket_read_hello,
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NULL, NULL, &d, NULL, true);
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g_free(tmp);
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d.conn_expected = true;
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guint id = g_idle_add(char_socket_test_idle, &d);
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g_source_set_name_by_id(id, "test-idle");
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g_assert_cmpint(id, >, 0);
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main_loop();
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g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort));
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g_assert(object_property_get_bool(OBJECT(chr_client),
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"connected", &error_abort));
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qemu_chr_write_all(chr_client, (const uint8_t *)"Z", 1);
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main_loop();
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object_unparent(OBJECT(chr_client));
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d.conn_expected = false;
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g_idle_add(char_socket_test_idle, &d);
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main_loop();
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object_unparent(OBJECT(chr));
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}
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static void char_socket_basic_test(void)
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{
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Chardev *chr = qemu_chr_new("server", "tcp:127.0.0.1:0,server,nowait");
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char_socket_test_common(chr);
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}
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static void char_socket_fdpass_test(void)
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{
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Chardev *chr;
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char *optstr;
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QemuOpts *opts;
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int fd;
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SocketAddress *addr = g_new0(SocketAddress, 1);
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addr->type = SOCKET_ADDRESS_TYPE_INET;
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addr->u.inet.host = g_strdup("127.0.0.1");
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addr->u.inet.port = g_strdup("0");
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fd = socket_listen(addr, &error_abort);
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g_assert(fd >= 0);
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qapi_free_SocketAddress(addr);
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optstr = g_strdup_printf("socket,id=cdev,fd=%d,server,nowait", fd);
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opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
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optstr, true);
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g_free(optstr);
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g_assert_nonnull(opts);
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chr = qemu_chr_new_from_opts(opts, &error_abort);
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qemu_opts_del(opts);
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char_socket_test_common(chr);
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}
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#ifndef _WIN32
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static void char_pipe_test(void)
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{
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gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
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gchar *tmp, *in, *out, *pipe = g_build_filename(tmp_path, "pipe", NULL);
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Chardev *chr;
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CharBackend be;
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int ret, fd;
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char buf[10];
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FeHandler fe = { 0, };
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in = g_strdup_printf("%s.in", pipe);
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if (mkfifo(in, 0600) < 0) {
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abort();
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}
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out = g_strdup_printf("%s.out", pipe);
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if (mkfifo(out, 0600) < 0) {
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abort();
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}
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tmp = g_strdup_printf("pipe:%s", pipe);
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chr = qemu_chr_new("pipe", tmp);
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g_assert_nonnull(chr);
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g_free(tmp);
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qemu_chr_fe_init(&be, chr, &error_abort);
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ret = qemu_chr_fe_write(&be, (void *)"pipe-out", 9);
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g_assert_cmpint(ret, ==, 9);
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fd = open(out, O_RDWR);
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ret = read(fd, buf, sizeof(buf));
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g_assert_cmpint(ret, ==, 9);
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g_assert_cmpstr(buf, ==, "pipe-out");
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close(fd);
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fd = open(in, O_WRONLY);
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ret = write(fd, "pipe-in", 8);
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g_assert_cmpint(ret, ==, 8);
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close(fd);
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qemu_chr_fe_set_handlers(&be,
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fe_can_read,
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fe_read,
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fe_event,
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NULL,
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&fe,
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NULL, true);
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main_loop();
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g_assert_cmpint(fe.read_count, ==, 8);
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g_assert_cmpstr(fe.read_buf, ==, "pipe-in");
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qemu_chr_fe_deinit(&be, true);
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g_assert(g_unlink(in) == 0);
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g_assert(g_unlink(out) == 0);
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g_assert(g_rmdir(tmp_path) == 0);
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g_free(in);
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g_free(out);
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g_free(tmp_path);
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g_free(pipe);
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}
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#endif
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static int make_udp_socket(int *port)
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{
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struct sockaddr_in addr = { 0, };
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socklen_t alen = sizeof(addr);
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int ret, sock = qemu_socket(PF_INET, SOCK_DGRAM, 0);
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g_assert_cmpint(sock, >, 0);
|
|
addr.sin_family = AF_INET ;
|
|
addr.sin_addr.s_addr = htonl(INADDR_ANY);
|
|
addr.sin_port = 0;
|
|
ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
|
|
g_assert_cmpint(ret, ==, 0);
|
|
ret = getsockname(sock, (struct sockaddr *)&addr, &alen);
|
|
g_assert_cmpint(ret, ==, 0);
|
|
|
|
*port = ntohs(addr.sin_port);
|
|
return sock;
|
|
}
|
|
|
|
static void char_udp_test_internal(Chardev *reuse_chr, int sock)
|
|
{
|
|
struct sockaddr_in other;
|
|
SocketIdleData d = { 0, };
|
|
Chardev *chr;
|
|
CharBackend *be;
|
|
socklen_t alen = sizeof(other);
|
|
int ret;
|
|
char buf[10];
|
|
char *tmp = NULL;
|
|
|
|
if (reuse_chr) {
|
|
chr = reuse_chr;
|
|
be = chr->be;
|
|
} else {
|
|
int port;
|
|
sock = make_udp_socket(&port);
|
|
tmp = g_strdup_printf("udp:127.0.0.1:%d", port);
|
|
chr = qemu_chr_new("client", tmp);
|
|
g_assert_nonnull(chr);
|
|
|
|
be = g_alloca(sizeof(CharBackend));
|
|
qemu_chr_fe_init(be, chr, &error_abort);
|
|
}
|
|
|
|
d.chr = chr;
|
|
qemu_chr_fe_set_handlers(be, socket_can_read_hello, socket_read_hello,
|
|
NULL, NULL, &d, NULL, true);
|
|
ret = qemu_chr_write_all(chr, (uint8_t *)"hello", 5);
|
|
g_assert_cmpint(ret, ==, 5);
|
|
|
|
ret = recvfrom(sock, buf, sizeof(buf), 0,
|
|
(struct sockaddr *)&other, &alen);
|
|
g_assert_cmpint(ret, ==, 5);
|
|
ret = sendto(sock, buf, 5, 0, (struct sockaddr *)&other, alen);
|
|
g_assert_cmpint(ret, ==, 5);
|
|
|
|
main_loop();
|
|
|
|
if (!reuse_chr) {
|
|
close(sock);
|
|
qemu_chr_fe_deinit(be, true);
|
|
}
|
|
g_free(tmp);
|
|
}
|
|
|
|
static void char_udp_test(void)
|
|
{
|
|
char_udp_test_internal(NULL, 0);
|
|
}
|
|
|
|
#ifdef HAVE_CHARDEV_SERIAL
|
|
static void char_serial_test(void)
|
|
{
|
|
QemuOpts *opts;
|
|
Chardev *chr;
|
|
|
|
opts = qemu_opts_create(qemu_find_opts("chardev"), "serial-id",
|
|
1, &error_abort);
|
|
qemu_opt_set(opts, "backend", "serial", &error_abort);
|
|
qemu_opt_set(opts, "path", "/dev/null", &error_abort);
|
|
|
|
chr = qemu_chr_new_from_opts(opts, NULL);
|
|
g_assert_nonnull(chr);
|
|
/* TODO: add more tests with a pty */
|
|
object_unparent(OBJECT(chr));
|
|
|
|
/* test tty alias */
|
|
qemu_opt_set(opts, "backend", "tty", &error_abort);
|
|
chr = qemu_chr_new_from_opts(opts, NULL);
|
|
g_assert_nonnull(chr);
|
|
object_unparent(OBJECT(chr));
|
|
|
|
qemu_opts_del(opts);
|
|
}
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
static void char_file_fifo_test(void)
|
|
{
|
|
Chardev *chr;
|
|
CharBackend be;
|
|
char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
|
|
char *fifo = g_build_filename(tmp_path, "fifo", NULL);
|
|
char *out = g_build_filename(tmp_path, "out", NULL);
|
|
ChardevFile file = { .in = fifo,
|
|
.has_in = true,
|
|
.out = out };
|
|
ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE,
|
|
.u.file.data = &file };
|
|
FeHandler fe = { 0, };
|
|
int fd, ret;
|
|
|
|
if (mkfifo(fifo, 0600) < 0) {
|
|
abort();
|
|
}
|
|
|
|
fd = open(fifo, O_RDWR);
|
|
ret = write(fd, "fifo-in", 8);
|
|
g_assert_cmpint(ret, ==, 8);
|
|
|
|
chr = qemu_chardev_new("label-file", TYPE_CHARDEV_FILE, &backend,
|
|
&error_abort);
|
|
|
|
qemu_chr_fe_init(&be, chr, &error_abort);
|
|
qemu_chr_fe_set_handlers(&be,
|
|
fe_can_read,
|
|
fe_read,
|
|
fe_event,
|
|
NULL,
|
|
&fe, NULL, true);
|
|
|
|
g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK);
|
|
qmp_chardev_send_break("label-foo", NULL);
|
|
g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK);
|
|
qmp_chardev_send_break("label-file", NULL);
|
|
g_assert_cmpint(fe.last_event, ==, CHR_EVENT_BREAK);
|
|
|
|
main_loop();
|
|
|
|
close(fd);
|
|
|
|
g_assert_cmpint(fe.read_count, ==, 8);
|
|
g_assert_cmpstr(fe.read_buf, ==, "fifo-in");
|
|
|
|
qemu_chr_fe_deinit(&be, true);
|
|
|
|
g_unlink(fifo);
|
|
g_free(fifo);
|
|
g_unlink(out);
|
|
g_free(out);
|
|
g_rmdir(tmp_path);
|
|
g_free(tmp_path);
|
|
}
|
|
#endif
|
|
|
|
static void char_file_test_internal(Chardev *ext_chr, const char *filepath)
|
|
{
|
|
char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
|
|
char *out;
|
|
Chardev *chr;
|
|
char *contents = NULL;
|
|
ChardevFile file = {};
|
|
ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE,
|
|
.u.file.data = &file };
|
|
gsize length;
|
|
int ret;
|
|
|
|
if (ext_chr) {
|
|
chr = ext_chr;
|
|
out = g_strdup(filepath);
|
|
file.out = out;
|
|
} else {
|
|
out = g_build_filename(tmp_path, "out", NULL);
|
|
file.out = out;
|
|
chr = qemu_chardev_new(NULL, TYPE_CHARDEV_FILE, &backend,
|
|
&error_abort);
|
|
}
|
|
ret = qemu_chr_write_all(chr, (uint8_t *)"hello!", 6);
|
|
g_assert_cmpint(ret, ==, 6);
|
|
|
|
ret = g_file_get_contents(out, &contents, &length, NULL);
|
|
g_assert(ret == TRUE);
|
|
g_assert_cmpint(length, ==, 6);
|
|
g_assert(strncmp(contents, "hello!", 6) == 0);
|
|
|
|
if (!ext_chr) {
|
|
object_unref(OBJECT(chr));
|
|
g_unlink(out);
|
|
}
|
|
g_free(contents);
|
|
g_rmdir(tmp_path);
|
|
g_free(tmp_path);
|
|
g_free(out);
|
|
}
|
|
|
|
static void char_file_test(void)
|
|
{
|
|
char_file_test_internal(NULL, NULL);
|
|
}
|
|
|
|
static void char_null_test(void)
|
|
{
|
|
Error *err = NULL;
|
|
Chardev *chr;
|
|
CharBackend be;
|
|
int ret;
|
|
|
|
chr = qemu_chr_find("label-null");
|
|
g_assert_null(chr);
|
|
|
|
chr = qemu_chr_new("label-null", "null");
|
|
chr = qemu_chr_find("label-null");
|
|
g_assert_nonnull(chr);
|
|
|
|
g_assert(qemu_chr_has_feature(chr,
|
|
QEMU_CHAR_FEATURE_FD_PASS) == false);
|
|
g_assert(qemu_chr_has_feature(chr,
|
|
QEMU_CHAR_FEATURE_RECONNECTABLE) == false);
|
|
|
|
/* check max avail */
|
|
qemu_chr_fe_init(&be, chr, &error_abort);
|
|
qemu_chr_fe_init(&be, chr, &err);
|
|
error_free_or_abort(&err);
|
|
|
|
/* deinit & reinit */
|
|
qemu_chr_fe_deinit(&be, false);
|
|
qemu_chr_fe_init(&be, chr, &error_abort);
|
|
|
|
qemu_chr_fe_set_open(&be, true);
|
|
|
|
qemu_chr_fe_set_handlers(&be,
|
|
fe_can_read,
|
|
fe_read,
|
|
fe_event,
|
|
NULL,
|
|
NULL, NULL, true);
|
|
|
|
ret = qemu_chr_fe_write(&be, (void *)"buf", 4);
|
|
g_assert_cmpint(ret, ==, 4);
|
|
|
|
qemu_chr_fe_deinit(&be, true);
|
|
}
|
|
|
|
static void char_invalid_test(void)
|
|
{
|
|
Chardev *chr;
|
|
|
|
chr = qemu_chr_new("label-invalid", "invalid");
|
|
g_assert_null(chr);
|
|
}
|
|
|
|
static int chardev_change(void *opaque)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int chardev_change_denied(void *opaque)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
static void char_hotswap_test(void)
|
|
{
|
|
char *chr_args;
|
|
Chardev *chr;
|
|
CharBackend be;
|
|
|
|
gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
|
|
char *filename = g_build_filename(tmp_path, "file", NULL);
|
|
ChardevFile file = { .out = filename };
|
|
ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE,
|
|
.u.file.data = &file };
|
|
ChardevReturn *ret;
|
|
|
|
int port;
|
|
int sock = make_udp_socket(&port);
|
|
g_assert_cmpint(sock, >, 0);
|
|
|
|
chr_args = g_strdup_printf("udp:127.0.0.1:%d", port);
|
|
|
|
chr = qemu_chr_new("chardev", chr_args);
|
|
qemu_chr_fe_init(&be, chr, &error_abort);
|
|
|
|
/* check that chardev operates correctly */
|
|
char_udp_test_internal(chr, sock);
|
|
|
|
/* set the handler that denies the hotswap */
|
|
qemu_chr_fe_set_handlers(&be, NULL, NULL,
|
|
NULL, chardev_change_denied, NULL, NULL, true);
|
|
|
|
/* now, change is denied and has to keep the old backend operating */
|
|
ret = qmp_chardev_change("chardev", &backend, NULL);
|
|
g_assert(!ret);
|
|
g_assert(be.chr == chr);
|
|
|
|
char_udp_test_internal(chr, sock);
|
|
|
|
/* now allow the change */
|
|
qemu_chr_fe_set_handlers(&be, NULL, NULL,
|
|
NULL, chardev_change, NULL, NULL, true);
|
|
|
|
/* has to succeed now */
|
|
ret = qmp_chardev_change("chardev", &backend, &error_abort);
|
|
g_assert(be.chr != chr);
|
|
|
|
close(sock);
|
|
chr = be.chr;
|
|
|
|
/* run the file chardev test */
|
|
char_file_test_internal(chr, filename);
|
|
|
|
object_unparent(OBJECT(chr));
|
|
|
|
qapi_free_ChardevReturn(ret);
|
|
g_unlink(filename);
|
|
g_free(filename);
|
|
g_rmdir(tmp_path);
|
|
g_free(tmp_path);
|
|
g_free(chr_args);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
qemu_init_main_loop(&error_abort);
|
|
socket_init();
|
|
|
|
g_test_init(&argc, &argv, NULL);
|
|
|
|
module_call_init(MODULE_INIT_QOM);
|
|
qemu_add_opts(&qemu_chardev_opts);
|
|
|
|
g_test_add_func("/char/null", char_null_test);
|
|
g_test_add_func("/char/invalid", char_invalid_test);
|
|
g_test_add_func("/char/ringbuf", char_ringbuf_test);
|
|
g_test_add_func("/char/mux", char_mux_test);
|
|
#ifdef _WIN32
|
|
g_test_add_func("/char/console/subprocess", char_console_test_subprocess);
|
|
g_test_add_func("/char/console", char_console_test);
|
|
#endif
|
|
g_test_add_func("/char/stdio/subprocess", char_stdio_test_subprocess);
|
|
g_test_add_func("/char/stdio", char_stdio_test);
|
|
#ifndef _WIN32
|
|
g_test_add_func("/char/pipe", char_pipe_test);
|
|
#endif
|
|
g_test_add_func("/char/file", char_file_test);
|
|
#ifndef _WIN32
|
|
g_test_add_func("/char/file-fifo", char_file_fifo_test);
|
|
#endif
|
|
g_test_add_func("/char/socket/basic", char_socket_basic_test);
|
|
g_test_add_func("/char/socket/fdpass", char_socket_fdpass_test);
|
|
g_test_add_func("/char/udp", char_udp_test);
|
|
#ifdef HAVE_CHARDEV_SERIAL
|
|
g_test_add_func("/char/serial", char_serial_test);
|
|
#endif
|
|
g_test_add_func("/char/hotswap", char_hotswap_test);
|
|
|
|
return g_test_run();
|
|
}
|