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[Qemu-devel] [PULL 16/41] test-char: add hotswap test
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 16/41] test-char: add hotswap test |
Date: |
Thu, 13 Jul 2017 16:24:09 +0200 |
From: Anton Nefedov <address@hidden>
Signed-off-by: Anton Nefedov <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
tests/test-char.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 71 insertions(+)
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();
}
--
1.8.3.1
- [Qemu-devel] [PULL 03/41] MAINTAINERS: update KVM entries, (continued)
- [Qemu-devel] [PULL 03/41] MAINTAINERS: update KVM entries, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 01/41] build: add -Wexpansion-to-defined, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 06/41] MAINTAINERS: add entry for "Unimplemented" device, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 02/41] MAINTAINERS: update TCG entries, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 07/41] chardev: block during sync read, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 05/41] MAINTAINERS: update TCI entry, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 08/41] char: move QemuOpts->ChardevBackend translation to a separate func, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 10/41] char: chardevice hotswap, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 13/41] test-char: destroy chardev-udp after test, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 12/41] char: avoid chardevice direct access, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 16/41] test-char: add hotswap test,
Paolo Bonzini <=
- [Qemu-devel] [PULL 14/41] test-char: split char_udp_test, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 17/41] hmp: add hmp analogue for qmp-chardev-change, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 15/41] test-char: split char_file_test, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 19/41] serial: move TIOCM update to a separate function, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 21/41] exec: use qemu_ram_ptr_length to access guest ram, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 23/41] mttcg/i386: Patch instruction using async_safe_* framework, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 27/41] gdbstub: don't fail on vCont; C04:0; c packets, Paolo Bonzini, 2017/07/13
- [Qemu-devel] [PULL 25/41] gdbstub: rename cpu_index -> cpu_gdb_index, Paolo Bonzini, 2017/07/13