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author | Anton Nefedov <anton.nefedov@virtuozzo.com> | 2017-07-06 15:08:56 +0300 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-07-14 11:04:34 +0200 |
commit | 7b5a9e453e4086c2e6a3b9830ee7e4b3583e2d14 (patch) | |
tree | c7670eea5a32fcdc14bc3819c5d615e7cdce26a5 /tests/test-char.c | |
parent | ae69e4823dedde369027522b646ee62a7ff66530 (diff) | |
download | qemu-7b5a9e453e4086c2e6a3b9830ee7e4b3583e2d14.zip qemu-7b5a9e453e4086c2e6a3b9830ee7e4b3583e2d14.tar.gz qemu-7b5a9e453e4086c2e6a3b9830ee7e4b3583e2d14.tar.bz2 |
test-char: add hotswap test
Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1499342940-56739-10-git-send-email-anton.nefedov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tests/test-char.c')
-rw-r--r-- | tests/test-char.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tests/test-char.c b/tests/test-char.c index c654eea..7ac25ff 100644 --- a/tests/test-char.c +++ b/tests/test-char.c @@ -658,6 +658,76 @@ static void char_invalid_test(void) 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); @@ -692,6 +762,7 @@ int main(int argc, char **argv) #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(); } |