* See the COPYING file in the top-level directory.
*
*/
+#include "qemu/osdep.h"
#include "libqtest.h"
-#include <glib.h>
-#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <sys/un.h>
-#include <inttypes.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#include "qemu/compiler.h"
-#include "qemu/osdep.h"
-#include "qapi/qmp/json-streamer.h"
+
+#include "qapi/error.h"
#include "qapi/qmp/json-parser.h"
+#include "qapi/qmp/json-streamer.h"
+#include "qapi/qmp/qjson.h"
#define MAX_IRQ 256
+#define SOCKET_TIMEOUT 50
QTestState *global_qtest;
int qmp_fd;
bool irq_level[MAX_IRQ];
GString *rx;
- gchar *pid_file; /* QEMU PID file */
- int child_pid; /* Child process created to execute QEMU */
- char *socket_path, *qmp_socket_path;
+ pid_t qemu_pid; /* our child QEMU process */
+ bool big_endian;
};
+static GHookList abrt_hooks;
+static GList *qtest_instances;
+static struct sigaction sigact_old;
+
#define g_assert_no_errno(ret) do { \
g_assert_cmpint(ret, !=, -1); \
} while (0)
+static int qtest_query_target_endianness(QTestState *s);
+
static int init_socket(const char *socket_path)
{
struct sockaddr_un addr;
ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
} while (ret == -1 && errno == EINTR);
g_assert_no_errno(ret);
- listen(sock, 1);
+ ret = listen(sock, 1);
+ g_assert_no_errno(ret);
return sock;
}
struct sockaddr_un addr;
socklen_t addrlen;
int ret;
+ struct timeval timeout = { .tv_sec = SOCKET_TIMEOUT,
+ .tv_usec = 0 };
+
+ setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (void *)&timeout,
+ sizeof(timeout));
- addrlen = sizeof(addr);
do {
+ addrlen = sizeof(addr);
ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
} while (ret == -1 && errno == EINTR);
- g_assert_no_errno(ret);
+ if (ret == -1) {
+ fprintf(stderr, "%s failed: %s\n", __func__, strerror(errno));
+ }
close(sock);
return ret;
}
-static pid_t qtest_qemu_pid(QTestState *s)
+static void kill_qemu(QTestState *s)
{
- FILE *f;
- char buffer[1024];
- pid_t pid = -1;
+ if (s->qemu_pid != -1) {
+ kill(s->qemu_pid, SIGTERM);
+ waitpid(s->qemu_pid, NULL, 0);
+ }
+}
- f = fopen(s->pid_file, "r");
- if (f) {
- if (fgets(buffer, sizeof(buffer), f)) {
- pid = atoi(buffer);
- }
- fclose(f);
+static void kill_qemu_hook_func(void *s)
+{
+ kill_qemu(s);
+}
+
+static void sigabrt_handler(int signo)
+{
+ g_hook_list_invoke(&abrt_hooks, FALSE);
+}
+
+static void setup_sigabrt_handler(void)
+{
+ struct sigaction sigact;
+
+ /* Catch SIGABRT to clean up on g_assert() failure */
+ sigact = (struct sigaction){
+ .sa_handler = sigabrt_handler,
+ .sa_flags = SA_RESETHAND,
+ };
+ sigemptyset(&sigact.sa_mask);
+ sigaction(SIGABRT, &sigact, &sigact_old);
+}
+
+static void cleanup_sigabrt_handler(void)
+{
+ sigaction(SIGABRT, &sigact_old, NULL);
+}
+
+void qtest_add_abrt_handler(GHookFunc fn, const void *data)
+{
+ GHook *hook;
+
+ /* Only install SIGABRT handler once */
+ if (!abrt_hooks.is_setup) {
+ g_hook_list_init(&abrt_hooks, sizeof(GHook));
+ setup_sigabrt_handler();
}
- return pid;
+
+ hook = g_hook_alloc(&abrt_hooks);
+ hook->func = fn;
+ hook->data = (void *)data;
+
+ g_hook_prepend(&abrt_hooks, hook);
}
-QTestState *qtest_init(const char *extra_args)
+QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
{
QTestState *s;
int sock, qmpsock, i;
- gchar *pid_file;
+ gchar *socket_path;
+ gchar *qmp_socket_path;
gchar *command;
const char *qemu_binary;
- pid_t pid;
qemu_binary = getenv("QTEST_QEMU_BINARY");
g_assert(qemu_binary != NULL);
s = g_malloc(sizeof(*s));
- s->socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
- s->qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
- pid_file = g_strdup_printf("/tmp/qtest-%d.pid", getpid());
+ socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
+ qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
+
+ sock = init_socket(socket_path);
+ qmpsock = init_socket(qmp_socket_path);
- sock = init_socket(s->socket_path);
- qmpsock = init_socket(s->qmp_socket_path);
+ qtest_add_abrt_handler(kill_qemu_hook_func, s);
- pid = fork();
- if (pid == 0) {
- command = g_strdup_printf("%s "
+ s->qemu_pid = fork();
+ if (s->qemu_pid == 0) {
+ setenv("QEMU_AUDIO_DRV", "none", true);
+ command = g_strdup_printf("exec %s "
"-qtest unix:%s,nowait "
- "-qtest-log /dev/null "
+ "-qtest-log %s "
"-qmp unix:%s,nowait "
- "-pidfile %s "
"-machine accel=qtest "
- "%s", qemu_binary, s->socket_path,
- s->qmp_socket_path, pid_file,
+ "-display none "
+ "%s", qemu_binary, socket_path,
+ getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null",
+ qmp_socket_path,
extra_args ?: "");
execlp("/bin/sh", "sh", "-c", command, NULL);
exit(1);
}
s->fd = socket_accept(sock);
- s->qmp_fd = socket_accept(qmpsock);
+ if (s->fd >= 0) {
+ s->qmp_fd = socket_accept(qmpsock);
+ }
+ unlink(socket_path);
+ unlink(qmp_socket_path);
+ g_free(socket_path);
+ g_free(qmp_socket_path);
+
+ g_assert(s->fd >= 0 && s->qmp_fd >= 0);
s->rx = g_string_new("");
- s->pid_file = pid_file;
- s->child_pid = pid;
for (i = 0; i < MAX_IRQ; i++) {
s->irq_level[i] = false;
}
+ if (getenv("QTEST_STOP")) {
+ kill(s->qemu_pid, SIGSTOP);
+ }
+
+ /* ask endianness of the target */
+
+ s->big_endian = qtest_query_target_endianness(s);
+
+ return s;
+}
+
+QTestState *qtest_init(const char *extra_args)
+{
+ QTestState *s = qtest_init_without_qmp_handshake(extra_args);
+
/* Read the QMP greeting and then do the handshake */
qtest_qmp_discard_response(s, "");
qtest_qmp_discard_response(s, "{ 'execute': 'qmp_capabilities' }");
- if (getenv("QTEST_STOP")) {
- kill(qtest_qemu_pid(s), SIGSTOP);
- }
-
return s;
}
void qtest_quit(QTestState *s)
{
- int status;
+ qtest_instances = g_list_remove(qtest_instances, s);
+ g_hook_destroy_link(&abrt_hooks, g_hook_find_data(&abrt_hooks, TRUE, s));
- pid_t pid = qtest_qemu_pid(s);
- if (pid != -1) {
- kill(pid, SIGTERM);
- waitpid(pid, &status, 0);
+ /* Uninstall SIGABRT handler on last instance */
+ if (!qtest_instances) {
+ cleanup_sigabrt_handler();
}
+ kill_qemu(s);
close(s->fd);
close(s->qmp_fd);
g_string_free(s->rx, true);
- unlink(s->pid_file);
- unlink(s->socket_path);
- unlink(s->qmp_socket_path);
- g_free(s->pid_file);
- g_free(s->socket_path);
- g_free(s->qmp_socket_path);
g_free(s);
}
-static void socket_sendf(int fd, const char *fmt, va_list ap)
+static void socket_send(int fd, const char *buf, size_t size)
{
- gchar *str;
- size_t size, offset;
-
- str = g_strdup_vprintf(fmt, ap);
- size = strlen(str);
+ size_t offset;
offset = 0;
while (offset < size) {
ssize_t len;
- len = write(fd, str + offset, size - offset);
+ len = write(fd, buf + offset, size - offset);
if (len == -1 && errno == EINTR) {
continue;
}
}
}
+static void socket_sendf(int fd, const char *fmt, va_list ap)
+{
+ gchar *str = g_strdup_vprintf(fmt, ap);
+ size_t size = strlen(str);
+
+ socket_send(fd, str, size);
+ g_free(str);
+}
+
static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...)
{
va_list ap;
return words;
}
+static int qtest_query_target_endianness(QTestState *s)
+{
+ gchar **args;
+ int big_endian;
+
+ qtest_sendf(s, "endianness\n");
+ args = qtest_rsp(s, 1);
+ g_assert(strcmp(args[1], "big") == 0 || strcmp(args[1], "little") == 0);
+ big_endian = strcmp(args[1], "big") == 0;
+ g_strfreev(args);
+
+ return big_endian;
+}
+
typedef struct {
JSONMessageParser parser;
QDict *response;
} QMPResponseParser;
-static void qmp_response(JSONMessageParser *parser, QList *tokens)
+static void qmp_response(JSONMessageParser *parser, GQueue *tokens)
{
QMPResponseParser *qmp = container_of(parser, QMPResponseParser, parser);
QObject *obj;
exit(1);
}
- g_assert(qobject_type(obj) == QTYPE_QDICT);
g_assert(!qmp->response);
- qmp->response = (QDict *)obj;
+ qmp->response = qobject_to_qdict(obj);
+ g_assert(qmp->response);
}
-QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
+QDict *qmp_fd_receive(int fd)
{
QMPResponseParser qmp;
+ bool log = getenv("QTEST_LOG") != NULL;
- /* Send QMP request */
- socket_sendf(s->qmp_fd, fmt, ap);
-
- /* Receive reply */
qmp.response = NULL;
json_message_parser_init(&qmp.parser, qmp_response);
while (!qmp.response) {
ssize_t len;
char c;
- len = read(s->qmp_fd, &c, 1);
+ len = read(fd, &c, 1);
if (len == -1 && errno == EINTR) {
continue;
}
exit(1);
}
+ if (log) {
+ len = write(2, &c, 1);
+ }
json_message_parser_feed(&qmp.parser, &c, 1);
}
json_message_parser_destroy(&qmp.parser);
return qmp.response;
}
+QDict *qtest_qmp_receive(QTestState *s)
+{
+ return qmp_fd_receive(s->qmp_fd);
+}
+
+/**
+ * Allow users to send a message without waiting for the reply,
+ * in the case that they choose to discard all replies up until
+ * a particular EVENT is received.
+ */
+void qmp_fd_sendv(int fd, const char *fmt, va_list ap)
+{
+ va_list ap_copy;
+ QObject *qobj;
+
+ /* Going through qobject ensures we escape strings properly.
+ * This seemingly unnecessary copy is required in case va_list
+ * is an array type.
+ */
+ va_copy(ap_copy, ap);
+ qobj = qobject_from_jsonv(fmt, &ap_copy, &error_abort);
+ va_end(ap_copy);
+
+ /* No need to send anything for an empty QObject. */
+ if (qobj) {
+ int log = getenv("QTEST_LOG") != NULL;
+ QString *qstr = qobject_to_json(qobj);
+ const char *str;
+
+ /*
+ * BUG: QMP doesn't react to input until it sees a newline, an
+ * object, or an array. Work-around: give it a newline.
+ */
+ qstring_append_chr(qstr, '\n');
+ str = qstring_get_str(qstr);
+
+ if (log) {
+ fprintf(stderr, "%s", str);
+ }
+ /* Send QMP request */
+ socket_send(fd, str, qstring_get_length(qstr));
+
+ QDECREF(qstr);
+ qobject_decref(qobj);
+ }
+}
+
+void qtest_async_qmpv(QTestState *s, const char *fmt, va_list ap)
+{
+ qmp_fd_sendv(s->qmp_fd, fmt, ap);
+}
+
+QDict *qmp_fdv(int fd, const char *fmt, va_list ap)
+{
+ qmp_fd_sendv(fd, fmt, ap);
+
+ return qmp_fd_receive(fd);
+}
+
+QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
+{
+ qtest_async_qmpv(s, fmt, ap);
+
+ /* Receive reply */
+ return qtest_qmp_receive(s);
+}
+
+QDict *qmp_fd(int fd, const char *fmt, ...)
+{
+ va_list ap;
+ QDict *response;
+
+ va_start(ap, fmt);
+ response = qmp_fdv(fd, fmt, ap);
+ va_end(ap);
+ return response;
+}
+
+void qmp_fd_send(int fd, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ qmp_fd_sendv(fd, fmt, ap);
+ va_end(ap);
+}
+
QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
{
va_list ap;
return response;
}
+void qtest_async_qmp(QTestState *s, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ qtest_async_qmpv(s, fmt, ap);
+ va_end(ap);
+}
+
void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap)
{
QDict *response = qtest_qmpv(s, fmt, ap);
QDECREF(response);
}
+QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event)
+{
+ QDict *response;
+
+ for (;;) {
+ response = qtest_qmp_receive(s);
+ if ((qdict_haskey(response, "event")) &&
+ (strcmp(qdict_get_str(response, "event"), event) == 0)) {
+ return response;
+ }
+ QDECREF(response);
+ }
+}
+
+void qtest_qmp_eventwait(QTestState *s, const char *event)
+{
+ QDict *response;
+
+ response = qtest_qmp_eventwait_ref(s, event);
+ QDECREF(response);
+}
+
+char *qtest_hmpv(QTestState *s, const char *fmt, va_list ap)
+{
+ char *cmd;
+ QDict *resp;
+ char *ret;
+
+ cmd = g_strdup_vprintf(fmt, ap);
+ resp = qtest_qmp(s, "{'execute': 'human-monitor-command',"
+ " 'arguments': {'command-line': %s}}",
+ cmd);
+ ret = g_strdup(qdict_get_try_str(resp, "return"));
+ g_assert(ret);
+ QDECREF(resp);
+ g_free(cmd);
+ return ret;
+}
+
+char *qtest_hmp(QTestState *s, const char *fmt, ...)
+{
+ va_list ap;
+ char *ret;
+
+ va_start(ap, fmt);
+ ret = qtest_hmpv(s, fmt, ap);
+ va_end(ap);
+ return ret;
+}
+
const char *qtest_get_arch(void)
{
const char *qemu = getenv("QTEST_QEMU_BINARY");
+ g_assert(qemu != NULL);
const char *end = strrchr(qemu, '/');
return end + strlen("/qemu-system-");
gchar **args;
size_t i;
+ if (!size) {
+ return;
+ }
+
qtest_sendf(s, "read 0x%" PRIx64 " 0x%zx\n", addr, size);
args = qtest_rsp(s, 2);
g_strfreev(args);
}
-void qtest_add_func(const char *str, void (*fn))
+uint64_t qtest_rtas_call(QTestState *s, const char *name,
+ uint32_t nargs, uint64_t args,
+ uint32_t nret, uint64_t ret)
+{
+ qtest_sendf(s, "rtas %s %u 0x%"PRIx64" %u 0x%"PRIx64"\n",
+ name, nargs, args, nret, ret);
+ qtest_rsp(s, 0);
+ return 0;
+}
+
+void qtest_add_func(const char *str, void (*fn)(void))
{
gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
g_test_add_func(path, fn);
+ g_free(path);
+}
+
+void qtest_add_data_func_full(const char *str, void *data,
+ void (*fn)(const void *),
+ GDestroyNotify data_free_func)
+{
+ gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
+ g_test_add_data_func_full(path, data, fn, data_free_func);
+ g_free(path);
+}
+
+void qtest_add_data_func(const char *str, const void *data,
+ void (*fn)(const void *))
+{
+ gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
+ g_test_add_data_func(path, data, fn);
+ g_free(path);
+}
+
+void qtest_bufwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
+{
+ gchar *bdata;
+
+ bdata = g_base64_encode(data, size);
+ qtest_sendf(s, "b64write 0x%" PRIx64 " 0x%zx ", addr, size);
+ socket_send(s->fd, bdata, strlen(bdata));
+ socket_send(s->fd, "\n", 1);
+ qtest_rsp(s, 0);
+ g_free(bdata);
+}
+
+void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size)
+{
+ gchar **args;
+ size_t len;
+
+ qtest_sendf(s, "b64read 0x%" PRIx64 " 0x%zx\n", addr, size);
+ args = qtest_rsp(s, 2);
+
+ g_base64_decode_inplace(args[1], &len);
+ if (size != len) {
+ fprintf(stderr, "bufread: asked for %zu bytes but decoded %zu\n",
+ size, len);
+ len = MIN(len, size);
+ }
+
+ memcpy(data, args[1], len);
+ g_strfreev(args);
}
void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
{
const uint8_t *ptr = data;
size_t i;
+ char *enc;
+
+ if (!size) {
+ return;
+ }
+
+ enc = g_malloc(2 * size + 1);
- qtest_sendf(s, "write 0x%" PRIx64 " 0x%zx 0x", addr, size);
for (i = 0; i < size; i++) {
- qtest_sendf(s, "%02x", ptr[i]);
+ sprintf(&enc[i * 2], "%02x", ptr[i]);
}
- qtest_sendf(s, "\n");
+
+ qtest_sendf(s, "write 0x%" PRIx64 " 0x%zx 0x%s\n", addr, size, enc);
qtest_rsp(s, 0);
+ g_free(enc);
+}
+
+void qtest_memset(QTestState *s, uint64_t addr, uint8_t pattern, size_t size)
+{
+ qtest_sendf(s, "memset 0x%" PRIx64 " 0x%zx 0x%02x\n", addr, size, pattern);
+ qtest_rsp(s, 0);
+}
+
+QDict *qmp(const char *fmt, ...)
+{
+ va_list ap;
+ QDict *response;
+
+ va_start(ap, fmt);
+ response = qtest_qmpv(global_qtest, fmt, ap);
+ va_end(ap);
+ return response;
+}
+
+void qmp_async(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ qtest_async_qmpv(global_qtest, fmt, ap);
+ va_end(ap);
+}
+
+void qmp_discard_response(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ qtest_qmpv_discard_response(global_qtest, fmt, ap);
+ va_end(ap);
+}
+char *hmp(const char *fmt, ...)
+{
+ va_list ap;
+ char *ret;
+
+ va_start(ap, fmt);
+ ret = qtest_hmpv(global_qtest, fmt, ap);
+ va_end(ap);
+ return ret;
+}
+
+bool qtest_big_endian(QTestState *s)
+{
+ return s->big_endian;
}
projects / mirror_qemu.git / blobdiff