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Wei Liu
0a1eb2b438
If that's set, the stub is going to contain that UUID. No functional change. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
#include <err.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include <xenctrl.h>
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#include <libxl.h>
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int gen_stub_json_config(uint32_t domid, libxl_uuid *uuid)
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{
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int rc = 1;
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xentoollog_logger_stdiostream *logger;
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libxl_ctx *ctx;
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libxl_domain_config dom_config;
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libxl_dominfo dominfo;
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char *json = NULL;
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logger = xtl_createlogger_stdiostream(stderr, XTL_ERROR, 0);
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if (!logger)
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return 1;
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if (libxl_ctx_alloc(&ctx, LIBXL_VERSION, 0,
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(xentoollog_logger *)logger)) {
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fprintf(stderr, "cannot init libxl context\n");
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goto outlog;
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}
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libxl_domain_config_init(&dom_config);
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libxl_dominfo_init(&dominfo);
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if (libxl_domain_info(ctx, &dominfo, domid)) {
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fprintf(stderr, "cannot get domain type\n");
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goto outdispose;
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}
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/* Generate stub JSON config. */
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dom_config.c_info.type = (dominfo.domain_type == LIBXL_DOMAIN_TYPE_HVM)
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? LIBXL_DOMAIN_TYPE_PVH : LIBXL_DOMAIN_TYPE_PV;
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libxl_domain_build_info_init_type(&dom_config.b_info,
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dom_config.c_info.type);
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if (uuid && !libxl_uuid_is_nil(uuid))
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libxl_uuid_copy(ctx, &dom_config.c_info.uuid, uuid);
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json = libxl_domain_config_to_json(ctx, &dom_config);
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/* libxl-json format requires the string ends with '\0'. Code
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* snippet taken from libxl.
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*/
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rc = libxl_userdata_store(ctx, domid, "libxl-json",
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(const uint8_t *)json,
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strlen(json) + 1 /* include '\0' */);
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if (rc)
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fprintf(stderr, "cannot store stub json config for domain %u\n", domid);
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outdispose:
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libxl_dominfo_dispose(&dominfo);
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libxl_domain_config_dispose(&dom_config);
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free(json);
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libxl_ctx_free(ctx);
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outlog:
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xtl_logger_destroy((xentoollog_logger *)logger);
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return rc;
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}
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/*
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* Local variables:
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* mode: C
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* c-basic-offset: 4
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* indent-tabs-mode: nil
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* End:
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*/
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