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qemu-e2k/tests/test-char.c

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#include "qemu/osdep.h"
#include <glib/gstdio.h>
#include "qemu/config-file.h"
#include "qemu/option.h"
#include "qemu/sockets.h"
#include "chardev/char-fe.h"
#include "chardev/char-mux.h"
#include "sysemu/sysemu.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-char.h"
#include "qapi/qmp/qdict.h"
#include "qom/qom-qobject.h"
static bool quit;
typedef struct FeHandler {
int read_count;
int last_event;
char read_buf[128];
} FeHandler;
static void main_loop(void)
{
quit = false;
do {
main_loop_wait(false);
} while (!quit);
}
static int fe_can_read(void *opaque)
{
FeHandler *h = opaque;
return sizeof(h->read_buf) - h->read_count;
}
static void fe_read(void *opaque, const uint8_t *buf, int size)
{
FeHandler *h = opaque;
g_assert_cmpint(size, <=, fe_can_read(opaque));
memcpy(h->read_buf + h->read_count, buf, size);
h->read_count += size;
quit = true;
}
static void fe_event(void *opaque, int event)
{
FeHandler *h = opaque;
h->last_event = event;
if (event != CHR_EVENT_BREAK) {
quit = true;
}
}
#ifdef _WIN32
static void char_console_test_subprocess(void)
{
QemuOpts *opts;
Chardev *chr;
opts = qemu_opts_create(qemu_find_opts("chardev"), "console-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "console", &error_abort);
chr = qemu_chr_new_from_opts(opts, NULL);
g_assert_nonnull(chr);
qemu_chr_write_all(chr, (const uint8_t *)"CONSOLE", 7);
qemu_opts_del(opts);
object_unparent(OBJECT(chr));
}
static void char_console_test(void)
{
g_test_trap_subprocess("/char/console/subprocess", 0, 0);
g_test_trap_assert_passed();
g_test_trap_assert_stdout("CONSOLE");
}
#endif
static void char_stdio_test_subprocess(void)
{
Chardev *chr;
CharBackend be;
int ret;
chr = qemu_chr_new("label", "stdio");
g_assert_nonnull(chr);
qemu_chr_fe_init(&be, chr, &error_abort);
qemu_chr_fe_set_open(&be, true);
ret = qemu_chr_fe_write(&be, (void *)"buf", 4);
g_assert_cmpint(ret, ==, 4);
qemu_chr_fe_deinit(&be, true);
}
static void char_stdio_test(void)
{
g_test_trap_subprocess("/char/stdio/subprocess", 0, 0);
g_test_trap_assert_passed();
g_test_trap_assert_stdout("buf");
}
static void char_ringbuf_test(void)
{
QemuOpts *opts;
Chardev *chr;
CharBackend be;
char *data;
int ret;
opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
qemu_opt_set(opts, "size", "5", &error_abort);
chr = qemu_chr_new_from_opts(opts, NULL);
g_assert_null(chr);
qemu_opts_del(opts);
opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
qemu_opt_set(opts, "size", "2", &error_abort);
chr = qemu_chr_new_from_opts(opts, &error_abort);
g_assert_nonnull(chr);
qemu_opts_del(opts);
qemu_chr_fe_init(&be, chr, &error_abort);
ret = qemu_chr_fe_write(&be, (void *)"buff", 4);
g_assert_cmpint(ret, ==, 4);
data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
g_assert_cmpstr(data, ==, "ff");
g_free(data);
data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
g_assert_cmpstr(data, ==, "");
g_free(data);
qemu_chr_fe_deinit(&be, true);
/* check alias */
opts = qemu_opts_create(qemu_find_opts("chardev"), "memory-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "memory", &error_abort);
qemu_opt_set(opts, "size", "2", &error_abort);
chr = qemu_chr_new_from_opts(opts, NULL);
g_assert_nonnull(chr);
object_unparent(OBJECT(chr));
qemu_opts_del(opts);
}
static void char_mux_test(void)
{
QemuOpts *opts;
Chardev *chr, *base;
char *data;
FeHandler h1 = { 0, }, h2 = { 0, };
CharBackend chr_be1, chr_be2;
opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
qemu_opt_set(opts, "size", "128", &error_abort);
qemu_opt_set(opts, "mux", "on", &error_abort);
chr = qemu_chr_new_from_opts(opts, &error_abort);
g_assert_nonnull(chr);
qemu_opts_del(opts);
qemu_chr_fe_init(&chr_be1, chr, &error_abort);
qemu_chr_fe_set_handlers(&chr_be1,
fe_can_read,
fe_read,
fe_event,
NULL,
&h1,
NULL, true);
qemu_chr_fe_init(&chr_be2, chr, &error_abort);
qemu_chr_fe_set_handlers(&chr_be2,
fe_can_read,
fe_read,
fe_event,
NULL,
&h2,
NULL, true);
qemu_chr_fe_take_focus(&chr_be2);
base = qemu_chr_find("mux-label-base");
g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0);
qemu_chr_be_write(base, (void *)"hello", 6);
g_assert_cmpint(h1.read_count, ==, 0);
g_assert_cmpint(h2.read_count, ==, 6);
g_assert_cmpstr(h2.read_buf, ==, "hello");
h2.read_count = 0;
g_assert_cmpint(h1.last_event, !=, 42); /* should be MUX_OUT or OPENED */
g_assert_cmpint(h2.last_event, !=, 42); /* should be MUX_IN or OPENED */
/* sending event on the base broadcast to all fe, historical reasons? */
qemu_chr_be_event(base, 42);
g_assert_cmpint(h1.last_event, ==, 42);
g_assert_cmpint(h2.last_event, ==, 42);
qemu_chr_be_event(chr, -1);
g_assert_cmpint(h1.last_event, ==, 42);
g_assert_cmpint(h2.last_event, ==, -1);
/* switch focus */
qemu_chr_be_write(base, (void *)"\1b", 2);
g_assert_cmpint(h1.last_event, ==, 42);
g_assert_cmpint(h2.last_event, ==, CHR_EVENT_BREAK);
qemu_chr_be_write(base, (void *)"\1c", 2);
g_assert_cmpint(h1.last_event, ==, CHR_EVENT_MUX_IN);
g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
qemu_chr_be_event(chr, -1);
g_assert_cmpint(h1.last_event, ==, -1);
g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
qemu_chr_be_write(base, (void *)"hello", 6);
g_assert_cmpint(h2.read_count, ==, 0);
g_assert_cmpint(h1.read_count, ==, 6);
g_assert_cmpstr(h1.read_buf, ==, "hello");
h1.read_count = 0;
qemu_chr_be_write(base, (void *)"\1b", 2);
g_assert_cmpint(h1.last_event, ==, CHR_EVENT_BREAK);
g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT);
/* remove first handler */
qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL,
NULL, NULL, true);
qemu_chr_be_write(base, (void *)"hello", 6);
g_assert_cmpint(h1.read_count, ==, 0);
g_assert_cmpint(h2.read_count, ==, 0);
qemu_chr_be_write(base, (void *)"\1c", 2);
qemu_chr_be_write(base, (void *)"hello", 6);
g_assert_cmpint(h1.read_count, ==, 0);
g_assert_cmpint(h2.read_count, ==, 6);
g_assert_cmpstr(h2.read_buf, ==, "hello");
h2.read_count = 0;
/* print help */
qemu_chr_be_write(base, (void *)"\1?", 2);
data = qmp_ringbuf_read("mux-label-base", 128, false, 0, &error_abort);
g_assert_cmpint(strlen(data), !=, 0);
g_free(data);
qemu_chr_fe_deinit(&chr_be1, false);
qemu_chr_fe_deinit(&chr_be2, true);
}
typedef struct SocketIdleData {
GMainLoop *loop;
Chardev *chr;
bool conn_expected;
CharBackend *be;
CharBackend *client_be;
} SocketIdleData;
static gboolean char_socket_test_idle(gpointer user_data)
{
SocketIdleData *data = user_data;
if (object_property_get_bool(OBJECT(data->chr), "connected", NULL)
== data->conn_expected) {
quit = true;
return FALSE;
}
return TRUE;
}
static void socket_read(void *opaque, const uint8_t *buf, int size)
{
SocketIdleData *data = opaque;
g_assert_cmpint(size, ==, 1);
g_assert_cmpint(*buf, ==, 'Z');
size = qemu_chr_fe_write(data->be, (const uint8_t *)"hello", 5);
g_assert_cmpint(size, ==, 5);
}
static int socket_can_read(void *opaque)
{
return 10;
}
static void socket_read_hello(void *opaque, const uint8_t *buf, int size)
{
g_assert_cmpint(size, ==, 5);
g_assert(strncmp((char *)buf, "hello", 5) == 0);
quit = true;
}
static int socket_can_read_hello(void *opaque)
{
return 10;
}
static void char_socket_test_common(Chardev *chr, bool reconnect)
{
Chardev *chr_client;
QObject *addr;
QDict *qdict;
const char *port;
SocketIdleData d = { .chr = chr };
CharBackend be;
CharBackend client_be;
char *tmp;
d.be = &be;
d.client_be = &be;
g_assert_nonnull(chr);
g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort));
addr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort);
qdict = qobject_to(QDict, addr);
port = qdict_get_str(qdict, "port");
tmp = g_strdup_printf("tcp:127.0.0.1:%s%s", port,
reconnect ? ",reconnect=1" : "");
qobject_unref(qdict);
qemu_chr_fe_init(&be, chr, &error_abort);
qemu_chr_fe_set_handlers(&be, socket_can_read, socket_read,
NULL, NULL, &d, NULL, true);
chr_client = qemu_chr_new("client", tmp);
qemu_chr_fe_init(&client_be, chr_client, &error_abort);
qemu_chr_fe_set_handlers(&client_be, socket_can_read_hello,
socket_read_hello,
NULL, NULL, &d, NULL, true);
g_free(tmp);
d.conn_expected = true;
guint id = g_idle_add(char_socket_test_idle, &d);
g_source_set_name_by_id(id, "test-idle");
g_assert_cmpint(id, >, 0);
main_loop();
d.chr = chr_client;
id = g_idle_add(char_socket_test_idle, &d);
g_source_set_name_by_id(id, "test-idle");
g_assert_cmpint(id, >, 0);
main_loop();
g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort));
g_assert(object_property_get_bool(OBJECT(chr_client),
"connected", &error_abort));
qemu_chr_write_all(chr_client, (const uint8_t *)"Z", 1);
main_loop();
object_unparent(OBJECT(chr_client));
d.chr = chr;
d.conn_expected = false;
g_idle_add(char_socket_test_idle, &d);
main_loop();
object_unparent(OBJECT(chr));
}
static void char_socket_basic_test(void)
{
Chardev *chr = qemu_chr_new("server", "tcp:127.0.0.1:0,server,nowait");
char_socket_test_common(chr, false);
}
static void char_socket_reconnect_test(void)
{
Chardev *chr = qemu_chr_new("server", "tcp:127.0.0.1:0,server,nowait");
char_socket_test_common(chr, true);
}
static void char_socket_fdpass_test(void)
{
Chardev *chr;
char *optstr;
QemuOpts *opts;
int fd;
SocketAddress *addr = g_new0(SocketAddress, 1);
addr->type = SOCKET_ADDRESS_TYPE_INET;
addr->u.inet.host = g_strdup("127.0.0.1");
addr->u.inet.port = g_strdup("0");
fd = socket_listen(addr, &error_abort);
g_assert(fd >= 0);
qapi_free_SocketAddress(addr);
optstr = g_strdup_printf("socket,id=cdev,fd=%d,server,nowait", fd);
opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
optstr, true);
g_free(optstr);
g_assert_nonnull(opts);
chr = qemu_chr_new_from_opts(opts, &error_abort);
qemu_opts_del(opts);
char_socket_test_common(chr, false);
}
static void websock_server_read(void *opaque, const uint8_t *buf, int size)
{
g_assert_cmpint(size, ==, 5);
g_assert(memcmp(buf, "world", size) == 0);
quit = true;
}
static int websock_server_can_read(void *opaque)
{
return 10;
}
static bool websock_check_http_headers(char *buf, int size)
{
int i;
const char *ans[] = { "HTTP/1.1 101 Switching Protocols\r\n",
"Server: QEMU VNC\r\n",
"Upgrade: websocket\r\n",
"Connection: Upgrade\r\n",
"Sec-WebSocket-Accept:",
"Sec-WebSocket-Protocol: binary\r\n" };
for (i = 0; i < 6; i++) {
if (g_strstr_len(buf, size, ans[i]) == NULL) {
return false;
}
}
return true;
}
static void websock_client_read(void *opaque, const uint8_t *buf, int size)
{
const uint8_t ping[] = { 0x89, 0x85, /* Ping header */
0x07, 0x77, 0x9e, 0xf9, /* Masking key */
0x6f, 0x12, 0xf2, 0x95, 0x68 /* "hello" */ };
const uint8_t binary[] = { 0x82, 0x85, /* Binary header */
0x74, 0x90, 0xb9, 0xdf, /* Masking key */
0x03, 0xff, 0xcb, 0xb3, 0x10 /* "world" */ };
Chardev *chr_client = opaque;
if (websock_check_http_headers((char *) buf, size)) {
qemu_chr_fe_write(chr_client->be, ping, sizeof(ping));
} else if (buf[0] == 0x8a && buf[1] == 0x05) {
g_assert(strncmp((char *) buf + 2, "hello", 5) == 0);
qemu_chr_fe_write(chr_client->be, binary, sizeof(binary));
} else {
g_assert(buf[0] == 0x88 && buf[1] == 0x16);
g_assert(strncmp((char *) buf + 4, "peer requested close", 10) == 0);
quit = true;
}
}
static int websock_client_can_read(void *opaque)
{
return 4096;
}
static void char_websock_test(void)
{
QObject *addr;
QDict *qdict;
const char *port;
char *tmp;
char *handshake_port;
CharBackend be;
CharBackend client_be;
Chardev *chr_client;
Chardev *chr = qemu_chr_new("server",
"websocket:127.0.0.1:0,server,nowait");
const char handshake[] = "GET / HTTP/1.1\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"Host: localhost:%s\r\n"
"Origin: http://localhost:%s\r\n"
"Sec-WebSocket-Key: o9JHNiS3/0/0zYE1wa3yIw==\r\n"
"Sec-WebSocket-Version: 13\r\n"
"Sec-WebSocket-Protocol: binary\r\n\r\n";
const uint8_t close[] = { 0x88, 0x82, /* Close header */
0xef, 0xaa, 0xc5, 0x97, /* Masking key */
0xec, 0x42 /* Status code */ };
addr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort);
qdict = qobject_to(QDict, addr);
port = qdict_get_str(qdict, "port");
tmp = g_strdup_printf("tcp:127.0.0.1:%s", port);
handshake_port = g_strdup_printf(handshake, port, port);
qobject_unref(qdict);
qemu_chr_fe_init(&be, chr, &error_abort);
qemu_chr_fe_set_handlers(&be, websock_server_can_read, websock_server_read,
NULL, NULL, chr, NULL, true);
chr_client = qemu_chr_new("client", tmp);
qemu_chr_fe_init(&client_be, chr_client, &error_abort);
qemu_chr_fe_set_handlers(&client_be, websock_client_can_read,
websock_client_read,
NULL, NULL, chr_client, NULL, true);
g_free(tmp);
qemu_chr_write_all(chr_client,
(uint8_t *) handshake_port,
strlen(handshake_port));
g_free(handshake_port);
main_loop();
g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort));
g_assert(object_property_get_bool(OBJECT(chr_client),
"connected", &error_abort));
qemu_chr_write_all(chr_client, close, sizeof(close));
main_loop();
object_unparent(OBJECT(chr_client));
object_unparent(OBJECT(chr));
}
#ifndef _WIN32
static void char_pipe_test(void)
{
gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL);
gchar *tmp, *in, *out, *pipe = g_build_filename(tmp_path, "pipe", NULL);
Chardev *chr;
CharBackend be;
int ret, fd;
char buf[10];
FeHandler fe = { 0, };
in = g_strdup_printf("%s.in", pipe);
if (mkfifo(in, 0600) < 0) {
abort();
}
out = g_strdup_printf("%s.out", pipe);
if (mkfifo(out, 0600) < 0) {
abort();
}
tmp = g_strdup_printf("pipe:%s", pipe);
chr = qemu_chr_new("pipe", tmp);
g_assert_nonnull(chr);
g_free(tmp);
qemu_chr_fe_init(&be, chr, &error_abort);
ret = qemu_chr_fe_write(&be, (void *)"pipe-out", 9);
g_assert_cmpint(ret, ==, 9);
fd = open(out, O_RDWR);
ret = read(fd, buf, sizeof(buf));
g_assert_cmpint(ret, ==, 9);
g_assert_cmpstr(buf, ==, "pipe-out");
close(fd);
fd = open(in, O_WRONLY);
ret = write(fd, "pipe-in", 8);
g_assert_cmpint(ret, ==, 8);
close(fd);
qemu_chr_fe_set_handlers(&be,
fe_can_read,
fe_read,
fe_event,
NULL,
&fe,
NULL, true);
main_loop();
g_assert_cmpint(fe.read_count, ==, 8);
g_assert_cmpstr(fe.read_buf, ==, "pipe-in");
qemu_chr_fe_deinit(&be, true);
g_assert(g_unlink(in) == 0);
g_assert(g_unlink(out) == 0);
g_assert(g_rmdir(tmp_path) == 0);
g_free(in);
g_free(out);
g_free(tmp_path);
g_free(pipe);
}
#endif
static int make_udp_socket(int *port)
{
struct sockaddr_in addr = { 0, };
socklen_t alen = sizeof(addr);
int ret, sock = qemu_socket(PF_INET, SOCK_DGRAM, 0);
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/reconnect", char_socket_reconnect_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);
g_test_add_func("/char/websocket", char_websock_test);
return g_test_run();
}
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