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#include <stdio.h>
#include <stdlib.h>
#include <glib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/wait.h>
#include "libqtest.h"
#include "libqos/libqos.h"
#include "libqos/pci.h"
/*** Test Setup & Teardown ***/
/**
* Launch QEMU with the given command line,
* and then set up interrupts and our guest malloc interface.
*/
QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap)
{
char *cmdline;
struct QOSState *qs = g_malloc(sizeof(QOSState));
cmdline = g_strdup_vprintf(cmdline_fmt, ap);
qs->qts = qtest_start(cmdline);
qs->ops = ops;
qtest_irq_intercept_in(global_qtest, "ioapic");
if (ops && ops->init_allocator) {
qs->alloc = ops->init_allocator(ALLOC_NO_FLAGS);
}
g_free(cmdline);
return qs;
}
/**
* Launch QEMU with the given command line,
* and then set up interrupts and our guest malloc interface.
*/
QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...)
{
QOSState *qs;
va_list ap;
va_start(ap, cmdline_fmt);
qs = qtest_vboot(ops, cmdline_fmt, ap);
va_end(ap);
return qs;
}
/**
* Tear down the QEMU instance.
*/
void qtest_shutdown(QOSState *qs)
{
if (qs->alloc && qs->ops && qs->ops->uninit_allocator) {
qs->ops->uninit_allocator(qs->alloc);
qs->alloc = NULL;
}
qtest_quit(qs->qts);
g_free(qs);
}
void mkimg(const char *file, const char *fmt, unsigned size_mb)
{
gchar *cli;
bool ret;
int rc;
GError *err = NULL;
char *qemu_img_path;
gchar *out, *out2;
char *abs_path;
qemu_img_path = getenv("QTEST_QEMU_IMG");
abs_path = realpath(qemu_img_path, NULL);
assert(qemu_img_path);
cli = g_strdup_printf("%s create -f %s %s %uM", abs_path,
fmt, file, size_mb);
ret = g_spawn_command_line_sync(cli, &out, &out2, &rc, &err);
if (err) {
fprintf(stderr, "%s\n", err->message);
g_error_free(err);
}
g_assert(ret && !err);
/* In glib 2.34, we have g_spawn_check_exit_status. in 2.12, we don't.
* glib 2.43.91 implementation assumes that any non-zero is an error for
* windows, but uses extra precautions for Linux. However,
* 0 is only possible if the program exited normally, so that should be
* sufficient for our purposes on all platforms, here. */
if (rc) {
fprintf(stderr, "qemu-img returned status code %d\n", rc);
}
g_assert(!rc);
g_free(out);
g_free(out2);
g_free(cli);
free(abs_path);
}
void mkqcow2(const char *file, unsigned size_mb)
{
return mkimg(file, "qcow2", size_mb);
}
void prepare_blkdebug_script(const char *debug_fn, const char *event)
{
FILE *debug_file = fopen(debug_fn, "w");
int ret;
fprintf(debug_file, "[inject-error]\n");
fprintf(debug_file, "event = \"%s\"\n", event);
fprintf(debug_file, "errno = \"5\"\n");
fprintf(debug_file, "state = \"1\"\n");
fprintf(debug_file, "immediately = \"off\"\n");
fprintf(debug_file, "once = \"on\"\n");
fprintf(debug_file, "[set-state]\n");
fprintf(debug_file, "event = \"%s\"\n", event);
fprintf(debug_file, "new_state = \"2\"\n");
fflush(debug_file);
g_assert(!ferror(debug_file));
ret = fclose(debug_file);
g_assert(ret == 0);
}
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