bool xen_init_interface(xen_interface_t **xen) {
*xen = g_malloc0(sizeof(xen_interface_t));
/* We create an xc interface to test connection to it */
(*xen)->xc = xc_interface_open(0, 0, 0);
if ((*xen)->xc == NULL) {
fprintf(stderr, "xc_interface_open() failed!\n");
goto err;
}
/* We don't need this at the moment, but just in case */
//xen->xsh=xs_open(XS_OPEN_READONLY);
(*xen)->xl_logger = (xentoollog_logger *) xtl_createlogger_stdiostream(
stderr, XTL_PROGRESS, 0);
if (!(*xen)->xl_logger)
{
goto err;
}
if (libxl_ctx_alloc(&(*xen)->xl_ctx, LIBXL_VERSION, 0,
(*xen)->xl_logger)) {
fprintf(stderr, "libxl_ctx_alloc() failed!\n");
goto err;
}
return 1;
err:
xen_free_interface(*xen);
*xen = NULL;
return 0;
}
xenevtchn_handle *xenevtchn_open(xentoollog_logger *logger, unsigned open_flags)
{
xenevtchn_handle *xce = malloc(sizeof(*xce));
int rc;
if (!xce) return NULL;
xce->fd = -1;
xce->logger = logger;
xce->logger_tofree = NULL;
if (!xce->logger) {
xce->logger = xce->logger_tofree =
(xentoollog_logger*)
xtl_createlogger_stdiostream(stderr, XTL_PROGRESS, 0);
if (!xce->logger) goto err;
}
rc = osdep_evtchn_open(xce);
if ( rc < 0 ) goto err;
return xce;
err:
osdep_evtchn_close(xce);
xtl_logger_destroy(xce->logger_tofree);
free(xce);
return NULL;
}
xenforeignmemory_handle *xenforeignmemory_open(xentoollog_logger *logger,
unsigned open_flags)
{
xenforeignmemory_handle *fmem = malloc(sizeof(*fmem));
int rc;
if (!fmem) return NULL;
fmem->fd = -1;
fmem->logger = logger;
fmem->logger_tofree = NULL;
if (!fmem->logger) {
fmem->logger = fmem->logger_tofree =
(xentoollog_logger*)
xtl_createlogger_stdiostream(stderr, XTL_PROGRESS, 0);
if (!fmem->logger) goto err;
}
rc = osdep_xenforeignmemory_open(fmem);
if ( rc < 0 ) goto err;
return fmem;
err:
osdep_xenforeignmemory_close(fmem);
xtl_logger_destroy(fmem->logger_tofree);
free(fmem);
return NULL;
}
void test_common_setup(int level)
{
xentoollog_logger_stdiostream *logger_s
= xtl_createlogger_stdiostream(stderr, level, 0);
assert(logger_s);
xentoollog_logger *logger = (xentoollog_logger*)logger_s;
int rc = libxl_ctx_alloc(&ctx, LIBXL_VERSION, 0, logger);
assert(!rc);
}
struct xc_interface_core *xc_interface_open(xentoollog_logger *logger,
xentoollog_logger *dombuild_logger,
unsigned open_flags)
{
struct xc_interface_core xch_buf = { 0 }, *xch = &xch_buf;
xch->flags = open_flags;
xch->dombuild_logger_file = 0;
xc_clear_last_error(xch);
xch->error_handler = logger; xch->error_handler_tofree = 0;
xch->dombuild_logger = dombuild_logger; xch->dombuild_logger_tofree = 0;
if (!xch->error_handler) {
xch->error_handler = xch->error_handler_tofree =
(xentoollog_logger*)
xtl_createlogger_stdiostream(stderr, XTL_PROGRESS, 0);
if (!xch->error_handler)
goto err;
}
xch = malloc(sizeof(*xch));
if (!xch) {
xch = &xch_buf;
PERROR("Could not allocate new xc_interface struct");
goto err;
}
*xch = xch_buf;
if (open_flags & XC_OPENFLAG_DUMMY)
return xch; /* We are done */
xch->xcall = xencall_open(xch->error_handler,
open_flags & XC_OPENFLAG_NON_REENTRANT ? XENCALL_OPENFLAG_NON_REENTRANT : 0U);
if ( xch->xcall == NULL )
goto err;
xch->fmem = xenforeignmemory_open(xch->error_handler, 0);
if ( xch->fmem == NULL )
goto err;
xch->dmod = xendevicemodel_open(xch->error_handler, 0);
if ( xch->dmod == NULL )
goto err;
return xch;
err:
xenforeignmemory_close(xch->fmem);
xencall_close(xch->xcall);
xtl_logger_destroy(xch->error_handler_tofree);
if (xch != &xch_buf) free(xch);
return NULL;
}
int xc_dom_loginit(xc_interface *xch) {
if (xch->dombuild_logger) return 0;
if (!xch->dombuild_logger_file) {
xch->dombuild_logger_file = fopen(default_logfile, "a");
if (!xch->dombuild_logger_file) {
PERROR("Could not open logfile `%s'", default_logfile);
return -1;
}
}
xch->dombuild_logger = xch->dombuild_logger_tofree =
(xentoollog_logger*)
xtl_createlogger_stdiostream(xch->dombuild_logger_file, XTL_DETAIL,
XTL_STDIOSTREAM_SHOW_DATE|XTL_STDIOSTREAM_SHOW_PID);
if (!xch->dombuild_logger)
return -1;
xc_dom_printf(xch, "### ----- xc domain builder logfile opened -----");
return 0;
}
xendevicemodel_handle *xendevicemodel_open(xentoollog_logger *logger,
unsigned open_flags)
{
xendevicemodel_handle *dmod = calloc(1, sizeof(*dmod));
int rc;
if (!dmod)
return NULL;
dmod->flags = open_flags;
dmod->logger = logger;
dmod->logger_tofree = NULL;
if (!dmod->logger) {
dmod->logger = dmod->logger_tofree =
(xentoollog_logger*)
xtl_createlogger_stdiostream(stderr, XTL_PROGRESS, 0);
if (!dmod->logger)
goto err;
}
dmod->xcall = xencall_open(dmod->logger, 0);
if (!dmod->xcall)
goto err;
rc = osdep_xendevicemodel_open(dmod);
if (rc)
goto err;
return dmod;
err:
xtl_logger_destroy(dmod->logger_tofree);
xencall_close(dmod->xcall);
free(dmod);
return NULL;
}
int main(int argc, char **argv)
{
int opt = 0;
char *cmd = 0;
struct cmd_spec *cspec;
int ret;
void *config_data = 0;
int config_len = 0;
while ((opt = getopt(argc, argv, "+vftN")) >= 0) {
switch (opt) {
case 'v':
if (minmsglevel > 0) minmsglevel--;
break;
case 'N':
dryrun_only = 1;
break;
case 'f':
force_execution = 1;
break;
case 't':
progress_use_cr = 1;
break;
default:
fprintf(stderr, "unknown global option\n");
exit(EXIT_FAILURE);
}
}
cmd = argv[optind];
if (!cmd) {
help(NULL);
exit(EXIT_FAILURE);
}
opterr = 0;
logger = xtl_createlogger_stdiostream(stderr, minmsglevel,
(progress_use_cr ? XTL_STDIOSTREAM_PROGRESS_USE_CR : 0));
if (!logger) exit(EXIT_FAILURE);
atexit(xl_ctx_free);
xl_ctx_alloc();
ret = libxl_read_file_contents(ctx, XL_GLOBAL_CONFIG,
&config_data, &config_len);
if (ret)
fprintf(stderr, "Failed to read config file: %s: %s\n",
XL_GLOBAL_CONFIG, strerror(errno));
parse_global_config(XL_GLOBAL_CONFIG, config_data, config_len);
free(config_data);
/* Reset options for per-command use of getopt. */
argv += optind;
argc -= optind;
optind = 1;
cspec = cmdtable_lookup(cmd);
if (cspec) {
if (dryrun_only && !cspec->can_dryrun) {
fprintf(stderr, "command does not implement -N (dryrun) option\n");
ret = EXIT_FAILURE;
goto xit;
}
ret = cspec->cmd_impl(argc, argv);
} else if (!strcmp(cmd, "help")) {
help(argv[1]);
ret = EXIT_SUCCESS;
} else {
fprintf(stderr, "command not implemented\n");
ret = EXIT_FAILURE;
}
xit:
return ret;
}
libxlDriverConfigPtr
libxlDriverConfigNew(void)
{
libxlDriverConfigPtr cfg;
char *log_file = NULL;
char ebuf[1024];
unsigned int free_mem;
if (libxlConfigInitialize() < 0)
return NULL;
if (!(cfg = virObjectNew(libxlDriverConfigClass)))
return NULL;
if (VIR_STRDUP(cfg->configDir, LIBXL_CONFIG_DIR) < 0)
goto error;
if (VIR_STRDUP(cfg->autostartDir, LIBXL_AUTOSTART_DIR) < 0)
goto error;
if (VIR_STRDUP(cfg->logDir, LIBXL_LOG_DIR) < 0)
goto error;
if (VIR_STRDUP(cfg->stateDir, LIBXL_STATE_DIR) < 0)
goto error;
if (VIR_STRDUP(cfg->libDir, LIBXL_LIB_DIR) < 0)
goto error;
if (VIR_STRDUP(cfg->saveDir, LIBXL_SAVE_DIR) < 0)
goto error;
if (VIR_STRDUP(cfg->autoDumpDir, LIBXL_DUMP_DIR) < 0)
goto error;
if (virAsprintf(&log_file, "%s/libxl-driver.log", cfg->logDir) < 0)
goto error;
if (virFileMakePath(cfg->logDir) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to create log dir '%s': %s"),
cfg->logDir,
virStrerror(errno, ebuf, sizeof(ebuf)));
goto error;
}
if ((cfg->logger_file = fopen(log_file, "a")) == NULL) {
VIR_ERROR(_("Failed to create log file '%s': %s"),
log_file, virStrerror(errno, ebuf, sizeof(ebuf)));
goto error;
}
VIR_FREE(log_file);
cfg->logger =
(xentoollog_logger *)xtl_createlogger_stdiostream(cfg->logger_file,
XTL_DEBUG, 0);
if (!cfg->logger) {
VIR_ERROR(_("cannot create logger for libxenlight, disabling driver"));
goto error;
}
if (libxl_ctx_alloc(&cfg->ctx, LIBXL_VERSION, 0, cfg->logger)) {
VIR_ERROR(_("cannot initialize libxenlight context, probably not "
"running in a Xen Dom0, disabling driver"));
goto error;
}
if ((cfg->verInfo = libxl_get_version_info(cfg->ctx)) == NULL) {
VIR_ERROR(_("cannot version information from libxenlight, "
"disabling driver"));
goto error;
}
cfg->version = (cfg->verInfo->xen_version_major * 1000000) +
(cfg->verInfo->xen_version_minor * 1000);
/* This will fill xenstore info about free and dom0 memory if missing,
* should be called before starting first domain */
if (libxl_get_free_memory(cfg->ctx, &free_mem)) {
VIR_ERROR(_("Unable to configure libxl's memory management parameters"));
goto error;
}
/* setup autoballoon */
if (libxlGetAutoballoonConf(cfg, &cfg->autoballoon) < 0)
goto error;
return cfg;
error:
VIR_FREE(log_file);
virObjectUnref(cfg);
return NULL;
}
int main(int argc, char **argv)
{
int opt = 0;
char *cmd = 0;
struct cmd_spec *cspec;
int ret;
void *config_data = 0;
int config_len = 0;
const char *locks[] = XEND_LOCK;
while ((opt = getopt(argc, argv, "+vfN")) >= 0) {
switch (opt) {
case 'v':
if (minmsglevel > 0) minmsglevel--;
break;
case 'N':
dryrun_only = 1;
break;
case 'f':
force_execution = 1;
break;
default:
fprintf(stderr, "unknown global option\n");
exit(2);
}
}
cmd = argv[optind];
if (!cmd) {
help(NULL);
exit(1);
}
opterr = 0;
logger = xtl_createlogger_stdiostream(stderr, minmsglevel, 0);
if (!logger) exit(1);
atexit(xl_ctx_free);
xl_ctx_alloc();
ret = libxl_read_file_contents(ctx, XL_GLOBAL_CONFIG,
&config_data, &config_len);
if (ret)
fprintf(stderr, "Failed to read config file: %s: %s\n",
XL_GLOBAL_CONFIG, strerror(errno));
parse_global_config(XL_GLOBAL_CONFIG, config_data, config_len);
free(config_data);
/* Reset options for per-command use of getopt. */
argv += optind;
argc -= optind;
optind = 1;
cspec = cmdtable_lookup(cmd);
if (cspec) {
if (dryrun_only && !cspec->can_dryrun) {
fprintf(stderr, "command does not implement -N (dryrun) option\n");
ret = 1;
goto xit;
}
if (cspec->modifies && !dryrun_only) {
for (int i = 0; i < sizeof(locks)/sizeof(locks[0]); i++) {
if (!access(locks[i], F_OK) && !force_execution) {
fprintf(stderr,
"xend is running, which may cause unpredictable results when using\n"
"this xl command. Please shut down xend before continuing.\n\n"
"(This check can be overridden with the -f option.)\n"
);
ret = 1;
goto xit;
}
}
}
ret = cspec->cmd_impl(argc, argv);
} else if (!strcmp(cmd, "help")) {
help(argv[1]);
ret = 0;
} else {
fprintf(stderr, "command not implemented\n");
ret = 1;
}
xit:
return ret;
}
#include <stdio.h>
#include <stdlib.h>
#include "testcase_runner.h"
#include "eventloop_runner.h"
void *testcase(struct test *tc);
int main(int argc __attribute__((unused)),
char **argv __attribute__((unused)))
{
struct test t;
xentoollog_logger *logger;
logger = (xentoollog_logger *)
xtl_createlogger_stdiostream(stderr, XTL_PROGRESS, 0);
if (! !test_spawn(&t, logger, testcase)) {
perror("Failed to spawn test thread");
exit(EXIT_FAILURE);
}
eventloop_start(&t);
fprintf(stderr, "Waiting for test thread to exit\n");
test_join(&t);
fprintf(stderr, "Test thread exited\n");
test_destroy(&t);
xtl_logger_destroy(logger);
exit(EXIT_SUCCESS);
xentoollog_logger_stdiostream * createDebugLogger(){
return xtl_createlogger_stdiostream(stdout, XTL_DEBUG, 0);
}
static struct xc_interface_core *xc_interface_open_common(xentoollog_logger *logger,
xentoollog_logger *dombuild_logger,
unsigned open_flags,
enum xc_osdep_type type)
{
struct xc_interface_core xch_buf, *xch = &xch_buf;
xch->type = type;
xch->flags = open_flags;
xch->dombuild_logger_file = 0;
xc_clear_last_error(xch);
xch->error_handler = logger; xch->error_handler_tofree = 0;
xch->dombuild_logger = dombuild_logger; xch->dombuild_logger_tofree = 0;
xch->hypercall_buffer_cache_nr = 0;
xch->hypercall_buffer_total_allocations = 0;
xch->hypercall_buffer_total_releases = 0;
xch->hypercall_buffer_current_allocations = 0;
xch->hypercall_buffer_maximum_allocations = 0;
xch->hypercall_buffer_cache_hits = 0;
xch->hypercall_buffer_cache_misses = 0;
xch->hypercall_buffer_cache_toobig = 0;
xch->ops_handle = XC_OSDEP_OPEN_ERROR;
xch->ops = NULL;
if (!xch->error_handler) {
xch->error_handler = xch->error_handler_tofree =
(xentoollog_logger*)
xtl_createlogger_stdiostream(stderr, XTL_PROGRESS, 0);
if (!xch->error_handler)
goto err;
}
xch = malloc(sizeof(*xch));
if (!xch) {
xch = &xch_buf;
PERROR("Could not allocate new xc_interface struct");
goto err;
}
*xch = xch_buf;
if (!(open_flags & XC_OPENFLAG_DUMMY)) {
if ( xc_osdep_get_info(xch, &xch->osdep) < 0 )
goto err;
xch->ops = xch->osdep.init(xch, type);
if ( xch->ops == NULL )
{
DPRINTF("OSDEP: interface %d (%s) not supported on this platform",
type, xc_osdep_type_name(type));
goto err_put_iface;
}
xch->ops_handle = xch->ops->open(xch);
if (xch->ops_handle == XC_OSDEP_OPEN_ERROR)
goto err_put_iface;
}
return xch;
err_put_iface:
xc_osdep_put(&xch->osdep);
err:
xtl_logger_destroy(xch->error_handler_tofree);
if (xch != &xch_buf) free(xch);
return NULL;
}