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#include <err.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <xenctrl.h>
#include <libxl.h>
int gen_stub_json_config(uint32_t domid, libxl_uuid *uuid)
{
int rc = 1;
xentoollog_logger_stdiostream *logger;
libxl_ctx *ctx;
libxl_domain_config dom_config;
libxl_dominfo dominfo;
char *json = NULL;
logger = xtl_createlogger_stdiostream(stderr, XTL_ERROR, 0);
if (!logger)
return 1;
if (libxl_ctx_alloc(&ctx, LIBXL_VERSION, 0,
(xentoollog_logger *)logger)) {
fprintf(stderr, "cannot init libxl context\n");
goto outlog;
}
libxl_domain_config_init(&dom_config);
libxl_dominfo_init(&dominfo);
if (libxl_domain_info(ctx, &dominfo, domid)) {
fprintf(stderr, "cannot get domain type\n");
goto outdispose;
}
/* Generate stub JSON config. */
dom_config.c_info.type = (dominfo.domain_type == LIBXL_DOMAIN_TYPE_HVM)
? LIBXL_DOMAIN_TYPE_PVH : LIBXL_DOMAIN_TYPE_PV;
libxl_domain_build_info_init_type(&dom_config.b_info,
dom_config.c_info.type);
if (uuid && !libxl_uuid_is_nil(uuid))
libxl_uuid_copy(ctx, &dom_config.c_info.uuid, uuid);
json = libxl_domain_config_to_json(ctx, &dom_config);
/* libxl-json format requires the string ends with '\0'. Code
* snippet taken from libxl.
*/
rc = libxl_userdata_store(ctx, domid, "libxl-json",
(const uint8_t *)json,
strlen(json) + 1 /* include '\0' */);
if (rc)
fprintf(stderr, "cannot store stub json config for domain %u\n", domid);
outdispose:
libxl_dominfo_dispose(&dominfo);
libxl_domain_config_dispose(&dom_config);
free(json);
libxl_ctx_free(ctx);
outlog:
xtl_logger_destroy((xentoollog_logger *)logger);
return rc;
}
/*
* Local variables:
* mode: C
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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