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b7d5b3789c92f2e95f99fddca86ffb02e73f2d2e
xen/tools/libxen/test/test_bindings.c
T
Keir Fraser 6e6a088333 cpupools [3/6]: libxen changes 
Signed-off-by: Juergen Gross <juergen.gross@ts.fujitsu.com>
2010-04-21 12:49:41 +01:00

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/*
* Copyright (c) 2006-2007 XenSource, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define _GNU_SOURCE
#include <assert.h>
#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <libxml/parser.h>
#include <curl/curl.h>
#include <xen/api/xen_all.h>
//#define PRINT_XML
//////////////#define POOL_TESTS
static void usage()
{
fprintf(stderr,
"Usage:\n"
"\n"
" test_bindings <url> <username> <password>\n"
"\n"
"where\n"
" <url> is a fragment of the server's URL, e.g. localhost:8005/RPC2;\n"
" <username> is the username to use at the server; and\n"
" <password> is the password.\n");
exit(EXIT_FAILURE);
}
static char *url;
typedef struct
{
xen_result_func func;
void *handle;
} xen_comms;
static xen_vm create_new_vm(xen_session *session, bool hvm);
static void print_session_info(xen_session *session);
static void print_methods(xen_session *session);
static void print_vm_power_state(xen_session *session, xen_vm vm);
static void print_vm_metrics(xen_session *session, xen_vm vm);
static size_t
write_func(void *ptr, size_t size, size_t nmemb, xen_comms *comms)
{
size_t n = size * nmemb;
#ifdef PRINT_XML
printf("\n\n---Result from server -----------------------\n");
printf("%s\n",((char*) ptr));
fflush(stdout);
#endif
return comms->func(ptr, n, comms->handle) ? n : 0;
}
static int
call_func(const void *data, size_t len, void *user_handle,
void *result_handle, xen_result_func result_func)
{
(void)user_handle;
#ifdef PRINT_XML
printf("\n\n---Data to server: -----------------------\n");
printf("%s\n",((char*) data));
fflush(stdout);
#endif
CURL *curl = curl_easy_init();
if (!curl) {
return -1;
}
xen_comms comms = {
.func = result_func,
.handle = result_handle
};
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1);
curl_easy_setopt(curl, CURLOPT_MUTE, 1);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &write_func);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &comms);
curl_easy_setopt(curl, CURLOPT_POST, 1);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, len);
CURLcode result = curl_easy_perform(curl);
curl_easy_cleanup(curl);
return result;
}
static void print_error(xen_session *session)
{
fprintf(stderr, "Error: %d", session->error_description_count);
for (int i = 0; i < session->error_description_count; i++)
{
fprintf(stderr, "%s ", session->error_description[i]);
}
fprintf(stderr, "\n");
}
#ifdef POOL_TESTS
#define NAME_DESCRIPTION "TestPool"
#define NAME_DESCRIPTION_2 "TestPool-2"
#define NAME_LABEL "Pool-1"
#define NAME_LABEL_2 "Pool-2"
#define SCHED_NAME "credit"
#define NCPU_VAL 2
#define NCPU_VAL_2 1
static int pool_tests(xen_session *session, xen_host host)
{
int rc = 1;
xen_cpu_pool_set *pools = NULL;
xen_host_record *host_record = NULL;
xen_cpu_pool_record_opt *cpu_pool_opt = NULL;
xen_cpu_pool_record *cpu_pool_rec = NULL;
xen_host_cpu_set *host_cpu_set = NULL;
xen_host_cpu_record *host_cpu_record = NULL;
xen_vm_set *vm_set = NULL;
xen_cpu_pool pool = NULL;
xen_cpu_pool pool_out = NULL;
xen_string_string_map *pool_other_config = NULL;
xen_vm_record *vm_record = NULL;
xen_string_set *proposed_cpus = NULL;
xen_host res_host = NULL;
char *name_description = NULL;
char *name_label = NULL;
char *sched_policy = NULL;
char *pool_uuid = NULL;
int64_t ncpu;
for (int loop= 0; loop < 1; loop++)
{
// Test extensions of class host
printf("Test cpu_pool extension of host class -----------------------------------------\n");
printf("host.get_resident_cpu_pools\n");
if (!xen_host_get_resident_cpu_pools(session, &pools, host))
{
break;
}
if (pools->size != 1)
{
printf("Wrong pool count; only one pool expected\n");
break;
}
printf("Pool UUID %s\n", (char*)pools->contents[0]);
xen_cpu_pool_set_free(pools);
pools = NULL;
printf("host.get_record\n");
if (!xen_host_get_record(session, &host_record, host))
{
break;
}
printf("Pool count %d\n", (int)host_record->resident_cpu_pools->size);
if (host_record->resident_cpu_pools->size != 1)
{
break;
}
cpu_pool_opt = host_record->resident_cpu_pools->contents[0];
printf("Pool UUID %s\n", (char*)cpu_pool_opt->u.handle);
xen_host_record_free(host_record);
host_record = NULL;
cpu_pool_opt = NULL;
// Test extensions of class host_cpu
printf("host_cpu.get_all\n");
if (!xen_host_cpu_get_all(session, &host_cpu_set))
{
break;
}
printf("host_cpu.get_cpu_pool & host_cpu.get_record\n");
for (int i= 0; i < host_cpu_set->size; i++)
{
if (!xen_host_cpu_get_cpu_pool(session, &pools, host_cpu_set->contents[i]))
{
break;
}
if (pools->size > 1)
{
printf("Wrong pool count (xen_host_cpu_get_cpu_pool)\n");
break;
}
printf("host_cpu (get_cpu_pool) %s, cpu_pool %s\n", (char*)host_cpu_set->contents[i],
pools->size != 0 ? (char*)pools->contents[0] : "(None)");
if (!xen_host_cpu_get_record(session, &host_cpu_record, host_cpu_set->contents[i]))
{
break;
}
if (host_cpu_record->cpu_pools->size > 1)
{
printf("Wrong pool count (xen_host_cpu_get_record)\n");
break;
}
printf("host_cpu (get_record) %s, cpu_pool %s\n", (char*)host_cpu_set->contents[i],
host_cpu_record->cpu_pools->size != 0
? (char*)((xen_cpu_pool_record_opt*)(host_cpu_record->cpu_pools->contents[0])->u.handle)
: "(None)");
}
xen_host_cpu_record_free(host_cpu_record);
host_cpu_record = NULL;
xen_host_cpu_set_free(host_cpu_set);
host_cpu_set = NULL;
xen_cpu_pool_set_free(pools);
pools = NULL;
printf("host_cpu.get_unassigned_cpus\n");
if (!xen_host_cpu_get_unassigned_cpus(session, &host_cpu_set))
{
break;
}
printf("Free cpus (not bound to a pool)\n");
for (int i= 0; i < host_cpu_set->size; i++)
{
printf(" cpu UUID %s\n", (char*)host_cpu_set->contents[i]);
}
xen_host_cpu_set_free(host_cpu_set);
host_cpu_set = NULL;
printf("vm.get_record\n");
if (!xen_vm_get_all(session, &vm_set))
{
break;
}
if (!xen_vm_get_record(session, &vm_record, vm_set->contents[0]))
{
break;
}
printf("VM %s, pool_name %s, cpu_pool %s\n", (char*)vm_set->contents[0],
vm_record->pool_name, (char*)vm_record->cpu_pool->contents[0]);
xen_vm_record_free(vm_record);
vm_record = NULL;
printf("vm.get_cpu_pool\n");
if (!xen_vm_get_cpu_pool(session, &pools, vm_set->contents[0]))
{
break;
}
printf("vm_get_cpu_pool %s\n", (char*)pools->contents[0]);
xen_vm_set_free(vm_set);
xen_cpu_pool_set_free(pools);
vm_set = NULL;
pools = NULL;
// Class cpu_pool
// create
pool_other_config = xen_string_string_map_alloc(1);
pool_other_config->contents[0].key = strdup("type");
pool_other_config->contents[0].val = strdup("bs2000");
xen_string_set *proposed_CPUs_set = xen_string_set_alloc(1);
proposed_CPUs_set->contents[0] = strdup("3");
xen_cpu_pool_record new_cpu_pool_record =
{
.name_label = NAME_LABEL,
.name_description = NAME_DESCRIPTION,
.auto_power_on = false,
.ncpu = NCPU_VAL,
.sched_policy = SCHED_NAME,
.proposed_cpus = proposed_CPUs_set,
.other_config = pool_other_config,
};
printf("cpu_pool.create\n");
if (!xen_cpu_pool_create(session, &pool, &new_cpu_pool_record))
{
break;
}
printf("New Pool UUID %s\n", (char*)pool);
xen_string_set_free(proposed_CPUs_set);
proposed_CPUs_set = NULL;
xen_string_string_map_free(pool_other_config);
pool_other_config = NULL;
// get_by_name_label
printf("cpu_pool.get_by_name_label\n");
if (!xen_cpu_pool_get_by_name_label(session, &pools, "Pool-1"))
{
break;
}
if (strcmp((char*)pools->contents[0], (char*)pool) != 0)
{
break;
}
xen_cpu_pool_set_free(pools);
pools = NULL;
// get_by_uuid
printf("cpu_pool.get_by_uuid\n");
if (!xen_cpu_pool_get_by_uuid(session, &pool_out, pool))
{
break;
}
if (strcmp((char*)pool_out, (char*)pool) != 0)
{
printf("Wrong pool returned\n");
break;
}
xen_cpu_pool_free(pool_out);
pool_out = NULL;
// get_all
printf("cpu_pool.get_all\n");
if (!xen_cpu_pool_get_all(session, &pools))
{
break;
}
if (pools->size != 2)
{
printf("Wrong pool count (%d)\n", (int)pools->size);
break;
}
xen_cpu_pool_set_free(pools);
pools = NULL;
// get_activated
printf("cpu_pool.get_activated\n");
bool activated_state = true;
if (!xen_cpu_pool_get_activated(session, &activated_state, pool))
{
break;
}
if (activated_state)
{
printf("Pool must not be activated\n");
break;
}
// get_auto_power_on
printf("cpu_pool.get_auto_power_on\n");
bool power_state = true;
if (!xen_cpu_pool_get_auto_power_on(session, &power_state, pool))
{
break;
}
if (power_state)
{
printf("Pool must not have attibute 'auto_power_on'\n");
break;
}
// get_host_CPUs
printf("cpu_pool.get_host_CPUs\n");
if (!xen_cpu_pool_get_host_CPUs(session, &host_cpu_set, pool))
{
break;
}
if (host_cpu_set->size != 0)
{
printf("Pool must not have any attached cpus\n");
break;
}
xen_host_cpu_set_free(host_cpu_set);
host_cpu_set = NULL;
// get_name_description
printf("cpu_pool.get_name_description\n");
if (!xen_cpu_pool_get_name_description(session, &name_description, pool))
{
break;
}
if (strcmp(NAME_DESCRIPTION, name_description) != 0)
{
printf("Pool has wrong name_description\n");
break;
}
free(name_description);
name_description = NULL;
// get_name_label
printf("cpu_pool.get_name_label\n");
if (!xen_cpu_pool_get_name_label(session, &name_label, pool))
{
break;
}
if (strcmp(NAME_LABEL, name_label) != 0)
{
printf("Pool has wrong name_label\n");
break;
}
free(name_label);
name_label = NULL;
// get_ncpu
printf("cpu_pool.get_ncpu\n");
if (!xen_cpu_pool_get_ncpu(session, &ncpu, pool))
{
break;
}
if (NCPU_VAL != ncpu)
{
printf("Pool has wrong ncpu\n");
break;
}
// get_proposed_CPUs
printf("cpu_pool.get_proposed_CPUs\n");
if (!xen_cpu_pool_get_proposed_CPUs(session, &proposed_cpus, pool))
{
break;
}
if (proposed_cpus->size != 1)
{
printf("Pool has wrong proposed_cpus count\n");
break;
}
xen_string_set_free(proposed_cpus);
proposed_cpus = NULL;
// get_other_config
printf("cpu_pool.get_other_config\n");
if (!xen_cpu_pool_get_other_config(session, &pool_other_config, pool))
{
break;
}
if (pool_other_config->size != 1)
{
printf("Pool has wrong other_config element count\n");
break;
}
if ((strcmp(pool_other_config->contents[0].key, "type") != 0) ||
(strcmp(pool_other_config->contents[0].val, "bs2000") != 0))
{
printf("Pool has wrong other_config attributes\n");
break;
}
xen_string_string_map_free(pool_other_config);
pool_other_config = NULL;
// get_record
printf("cpu_pool.get_record\n");
if (!xen_cpu_pool_get_record(session, &cpu_pool_rec, pool))
{
break;
}
if ( (strcmp(cpu_pool_rec->name_label, NAME_LABEL) != 0) ||
(strcmp(cpu_pool_rec->name_description, NAME_DESCRIPTION) != 0) ||
(cpu_pool_rec->auto_power_on) ||
(cpu_pool_rec->ncpu != NCPU_VAL) ||
(cpu_pool_rec->started_vms->size != 0) ||
(strcmp(cpu_pool_rec->sched_policy, SCHED_NAME) != 0) ||
(cpu_pool_rec->proposed_cpus->size != 1) ||
(cpu_pool_rec->host_cpus->size != 0) ||
(cpu_pool_rec->activated) ||
(strcmp(cpu_pool_rec->resident_on->u.handle, host) != 0) ||
(strcmp(cpu_pool_rec->uuid, pool) != 0) ||
(cpu_pool_rec->other_config->size != 1))
{
printf("Wrong record output\n");
break;
}
xen_cpu_pool_record_free(cpu_pool_rec);
cpu_pool_rec = NULL;
// get_resident_on
printf("cpu_pool.get_resident_on\n");
if (!xen_cpu_pool_get_resident_on(session, &res_host, pool))
{
break;
}
if (strcmp(res_host, host) != 0)
{
printf("Wrong resident host returned\n");
break;
}
xen_host_free(res_host);
res_host = NULL;
// get_sched_policy
printf("cpu_pool.get_sched_policy\n");
if (!xen_cpu_pool_get_sched_policy(session, &sched_policy, pool))
{
break;
}
if (strcmp(sched_policy, SCHED_NAME) != 0)
{
printf("Wrong sched_policy returned\n");
break;
}
free(sched_policy);
sched_policy = NULL;
// get_started_VMs
printf("cpu_pool.get_started_VMs\n");
if (!xen_cpu_pool_get_started_VMs(session, &vm_set, pool))
{
break;
}
if (vm_set->size != 0)
{
printf("Wrong count of started VMs\n");
break;
}
xen_vm_set_free(vm_set);
vm_set = NULL;
// get_uuid
printf("cpu_pool.get_uuid\n");
if (!xen_cpu_pool_get_uuid(session, &pool_uuid, pool))
{
break;
}
if (strcmp(pool_uuid, pool) != 0)
{
printf("Wrong Pool UUID returnd\n");
break;
}
free(pool_uuid);
pool_uuid = NULL;
// set_auto_power_on
printf("cpu_pool.set_auto_power_on\n");
if (!xen_cpu_pool_set_auto_power_on(session, pool, true))
break;
// set_proposed_CPUs
printf("cpu_pool.set_proposed_CPUs\n");
proposed_CPUs_set = xen_string_set_alloc(2);
proposed_CPUs_set->contents[0] = strdup("2");
proposed_CPUs_set->contents[1] = strdup("4");
if (!xen_cpu_pool_set_proposed_CPUs(session, pool, proposed_CPUs_set))
break;
xen_string_set_free(proposed_CPUs_set);
proposed_CPUs_set = NULL;
// add_to_proposed_CPUs
printf("cpu_pool.add_to_proposed_CPUs\n");
if (!xen_cpu_pool_add_to_proposed_CPUs(session, pool, "3"))
break;
// remove_from_proposed_CPUs
printf("cpu_pool.remove_from_proposed_CPUs\n");
if (!xen_cpu_pool_remove_from_proposed_CPUs(session, pool, "4"))
break;
// set_name_label
printf("cpu_pool.set_name_label\n");
if (!xen_cpu_pool_set_name_label(session, pool, NAME_LABEL_2))
break;
// set_name_description
printf("cpu_pool.set_name_description\n");
if (!xen_cpu_pool_set_name_description(session, pool, NAME_DESCRIPTION_2))
break;
// set_ncpu
printf("cpu_pool.set_ncpu\n");
if (!xen_cpu_pool_set_ncpu(session, pool, NCPU_VAL_2))
break;
// set_other_config
printf("cpu_pool.set_other_config\n");
pool_other_config = xen_string_string_map_alloc(2);
pool_other_config->contents[0].key = strdup("test1");
pool_other_config->contents[0].val = strdup("field1");
pool_other_config->contents[1].key = strdup("test2");
pool_other_config->contents[1].val = strdup("field2");
if (!xen_cpu_pool_set_other_config(session, pool, pool_other_config))
break;
xen_string_string_map_free(pool_other_config);
pool_other_config = NULL;
// add_to_other_config
printf("cpu_pool.add_to_other_config\n");
if (!xen_cpu_pool_add_to_other_config(session, pool, "test3", "field3"))
break;
// remove_from_other_config
printf("cpu_pool.remove_from_other_config\n");
if (!xen_cpu_pool_remove_from_other_config(session, pool, "test2"))
break;
// set_sched_policy
printf("cpu_pool.set_sched_policy\n");
if (!xen_cpu_pool_set_sched_policy(session, pool, SCHED_NAME))
break;
// check get_record again
printf("check cpu_pool record\n");
if (!xen_cpu_pool_get_record(session, &cpu_pool_rec, pool))
{
break;
}
if ( (strcmp(cpu_pool_rec->name_label, NAME_LABEL_2) != 0) ||
(strcmp(cpu_pool_rec->name_description, NAME_DESCRIPTION_2) != 0) ||
(!cpu_pool_rec->auto_power_on) ||
(cpu_pool_rec->ncpu != NCPU_VAL_2) ||
(cpu_pool_rec->started_vms->size != 0) ||
(strcmp(cpu_pool_rec->sched_policy, SCHED_NAME) != 0) ||
(cpu_pool_rec->proposed_cpus->size != 2) ||
(cpu_pool_rec->host_cpus->size != 0) ||
(cpu_pool_rec->activated) ||
(strcmp(cpu_pool_rec->resident_on->u.handle, host) != 0) ||
(strcmp(cpu_pool_rec->uuid, pool) != 0) ||
(cpu_pool_rec->other_config->size != 2))
{
printf("Wrong record output\n");
break;
}
xen_cpu_pool_record_free(cpu_pool_rec);
cpu_pool_rec = NULL;
// activate pool
printf("cpu_pool.activate\n");
if (!xen_cpu_pool_activate(session, pool))
break;
// add_host_CPU_live
printf("cpu_pool.add_host_CPU_live\n");
if (!xen_host_cpu_get_unassigned_cpus(session, &host_cpu_set))
{
break;
}
if (host_cpu_set->size < 1)
{
printf("No free CPU found\n");
break;
}
if (!xen_cpu_pool_add_host_CPU_live(session, pool, host_cpu_set->contents[0]))
break;
// remove_host_CPU_live
printf("cpu_pool.remove_host_CPU_live\n");
if (!xen_cpu_pool_remove_host_CPU_live(session, pool, host_cpu_set->contents[0]))
break;
xen_host_cpu_set_free(host_cpu_set);
host_cpu_set = NULL;
// check get_record again
printf("check cpu_pool record\n");
if (!xen_cpu_pool_get_record(session, &cpu_pool_rec, pool))
{
break;
}
if ( (strcmp(cpu_pool_rec->name_label, NAME_LABEL_2) != 0) ||
(strcmp(cpu_pool_rec->name_description, NAME_DESCRIPTION_2) != 0) ||
(!cpu_pool_rec->auto_power_on) ||
(cpu_pool_rec->ncpu != NCPU_VAL_2) ||
(cpu_pool_rec->started_vms->size != 0) ||
(strcmp(cpu_pool_rec->sched_policy, SCHED_NAME) != 0) ||
(cpu_pool_rec->proposed_cpus->size != 2) ||
(cpu_pool_rec->host_cpus->size != 1) ||
(!cpu_pool_rec->activated) ||
(strcmp(cpu_pool_rec->resident_on->u.handle, host) != 0) ||
(strcmp(cpu_pool_rec->uuid, pool) != 0) ||
(cpu_pool_rec->other_config->size != 2))
{
printf("Wrong record output\n");
break;
}
xen_cpu_pool_record_free(cpu_pool_rec);
cpu_pool_rec = NULL;
// deactivate pool
printf("cpu_pool.deactivate\n");
if (!xen_cpu_pool_deactivate(session, pool))
break;
// Pool delete
if (!xen_cpu_pool_destroy(session, pool))
{
break;
}
xen_cpu_pool_free(pool);
pool = NULL;
// Tests OK
printf("Pool Tests OK\n");
rc= 0;
}
if (rc != 0)
{
print_error(session);
}
xen_cpu_pool_set_free(pools);
xen_host_record_free(host_record);
xen_cpu_pool_record_opt_free(cpu_pool_opt);
xen_host_cpu_set_free(host_cpu_set);
xen_host_cpu_record_free(host_cpu_record);
xen_vm_set_free(vm_set);
xen_cpu_pool_free(pool);
xen_cpu_pool_free(pool_out);
xen_string_string_map_free(pool_other_config);
xen_vm_record_free(vm_record);
xen_string_set_free(proposed_cpus);
free(name_description);
free(name_label);
free(sched_policy);
free(pool_uuid);
xen_cpu_pool_record_free(cpu_pool_rec);
xen_host_free(res_host);
return rc;
}
#endif
int main(int argc, char **argv)
{
if (argc != 4)
{
usage();
}
url = argv[1];
char *username = argv[2];
char *password = argv[3];
xmlInitParser();
xen_init();
curl_global_init(CURL_GLOBAL_ALL);
#define CLEANUP \
do { \
xen_session_logout(session); \
curl_global_cleanup(); \
xen_fini(); \
xmlCleanupParser(); \
} while(0) \
xen_session *session =
xen_session_login_with_password(call_func, NULL, username, password);
print_session_info(session);
if (!session->ok)
{
/* Error has been logged, just clean up. */
CLEANUP;
return 1;
}
print_methods(session);
if (!session->ok)
{
/* Error has been logged, just clean up. */
CLEANUP;
return 1;
}
xen_vm vm;
if (!xen_vm_get_by_uuid(session, &vm,
"00000000-0000-0000-0000-000000000000"))
{
print_error(session);
CLEANUP;
return 1;
}
char *vm_uuid;
if (!xen_vm_get_uuid(session, &vm_uuid, vm))
{
print_error(session);
xen_vm_free(vm);
CLEANUP;
return 1;
}
char *vm_uuid_bytes;
if (!xen_uuid_string_to_bytes(vm_uuid, &vm_uuid_bytes))
{
fprintf(stderr, "xen_uuid_string_to_bytes failed.\n");
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
xen_vm_record *vm_record;
if (!xen_vm_get_record(session, &vm_record, vm))
{
print_error(session);
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
xen_host host;
if (!xen_session_get_this_host(session, &host, session))
{
print_error(session);
xen_vm_record_free(vm_record);
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
xen_string_string_map *versions;
if (!xen_host_get_software_version(session, &versions, host))
{
print_error(session);
xen_host_free(host);
xen_vm_record_free(vm_record);
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
char *dmesg;
if (!xen_host_dmesg(session, &dmesg, host))
{
print_error(session);
xen_string_string_map_free(versions);
xen_host_free(host);
xen_vm_record_free(vm_record);
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
xen_string_set *supported_bootloaders;
if (!xen_host_get_supported_bootloaders(session, &supported_bootloaders,
host))
{
print_error(session);
free(dmesg);
xen_string_string_map_free(versions);
xen_host_free(host);
xen_vm_record_free(vm_record);
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
xen_string_set *capabilities;
if (!xen_host_get_capabilities(session, &capabilities, host))
{
print_error(session);
free(dmesg);
xen_string_set_free(supported_bootloaders);
xen_string_string_map_free(versions);
xen_host_free(host);
xen_vm_record_free(vm_record);
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
xen_string_string_map *cpu_configuration;
if (!xen_host_get_cpu_configuration(session, &cpu_configuration, host))
{
print_error(session);
free(dmesg);
xen_string_set_free(capabilities);
xen_string_set_free(supported_bootloaders);
xen_string_string_map_free(versions);
xen_host_free(host);
xen_vm_record_free(vm_record);
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
char *sched_policy;
if (!xen_host_get_sched_policy(session, &sched_policy, host))
{
print_error(session);
xen_string_string_map_free(cpu_configuration);
xen_string_set_free(capabilities);
xen_string_set_free(supported_bootloaders);
xen_string_string_map_free(versions);
xen_host_free(host);
xen_vm_record_free(vm_record);
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_free(vm);
CLEANUP;
return 1;
}
printf("%s.\n", vm_uuid);
printf("In bytes, the VM UUID is ");
for (int i = 0; i < 15; i++)
{
printf("%x, ", (unsigned int)vm_uuid_bytes[i]);
}
printf("%x.\n", (unsigned int)vm_uuid_bytes[15]);
printf("%zd.\n", versions->size);
for (size_t i = 0; i < versions->size; i++)
{
printf("%s -> %s.\n", versions->contents[i].key,
versions->contents[i].val);
}
printf("Host dmesg follows:\n%s\n\n", dmesg);
printf("Host supports the following bootloaders:");
for (size_t i = 0; i < supported_bootloaders->size; i++)
{
printf(" %s", supported_bootloaders->contents[i]);
}
printf("\n");
printf("Host has the following capabilities:");
for (size_t i = 0; i < capabilities->size; i++)
{
printf(" %s", capabilities->contents[i]);
}
printf("\n");
printf("Host has the following CPU configuration:\n");
for (size_t i = 0; i < cpu_configuration->size; i++)
{
printf(" %s -> %s.\n", cpu_configuration->contents[i].key,
cpu_configuration->contents[i].val);
}
printf("Current scheduler policy: %s.\n\n", sched_policy);
printf("%s.\n", vm_record->uuid);
printf("Resident on %s.\n", (char *)vm_record->resident_on->u.handle);
printf("%s.\n", xen_vm_power_state_to_string(vm_record->power_state));
xen_uuid_bytes_free(vm_uuid_bytes);
xen_uuid_free(vm_uuid);
xen_vm_record_free(vm_record);
#ifdef POOL_TESTS
if (pool_tests(session, host) != 0)
return 1;
#endif
xen_host_free(host);
xen_string_string_map_free(versions);
free(dmesg);
xen_string_set_free(supported_bootloaders);
xen_string_set_free(capabilities);
xen_string_string_map_free(cpu_configuration);
free(sched_policy);
print_vm_metrics(session, vm);
if (!session->ok)
{
/* Error has been logged, just clean up. */
xen_vm_free(vm);
CLEANUP;
return 1;
}
xen_vm_free(vm);
xen_vm new_vm = create_new_vm(session, true);
if (!session->ok)
{
/* Error has been logged, just clean up. */
CLEANUP;
return 1;
}
print_vm_power_state(session, new_vm);
if (!session->ok)
{
/* Error has been logged, just clean up. */
xen_vm_free(new_vm);
CLEANUP;
return 1;
}
xen_vm_free(new_vm);
CLEANUP;
return 0;
}
/**
* Creation of a new VM, using the Named Parameters idiom. Allocate the
* xen_vm_record here, but the sets through the library. Either
* allocation patterns can be used, as long as the allocation and free are
* paired correctly.
*/
static xen_vm create_new_vm(xen_session *session, bool hvm)
{
xen_string_string_map *vcpus_params = xen_string_string_map_alloc(1);
vcpus_params->contents[0].key = strdup("weight");
vcpus_params->contents[0].val = strdup("300");
xen_string_string_map *hvm_boot_params;
if (hvm)
{
hvm_boot_params = xen_string_string_map_alloc(1);
hvm_boot_params->contents[0].key = strdup("order");
hvm_boot_params->contents[0].val = strdup("cd");
}
else
{
hvm_boot_params = NULL;
}
xen_vm_record vm_record =
{
.name_label = hvm ? "NewHVM" : "NewPV",
.name_description = hvm ? "New HVM VM" : "New PV VM",
.user_version = 1,
.is_a_template = false,
.memory_static_max = 256 * 1024 * 1024,
.memory_dynamic_max = 256 * 1024 * 1024,
.memory_dynamic_min = 128 * 1024 * 1024,
.memory_static_min = 128 * 1024 * 1024,
.vcpus_params = vcpus_params,
.vcpus_max = 4,
.vcpus_at_startup = 2,
.actions_after_shutdown = XEN_ON_NORMAL_EXIT_DESTROY,
.actions_after_reboot = XEN_ON_NORMAL_EXIT_RESTART,
.actions_after_crash = XEN_ON_CRASH_BEHAVIOUR_RESTART,
.hvm_boot_policy = hvm ? "BIOS order" : NULL,
.hvm_boot_params = hvm ? hvm_boot_params : NULL,
.pv_bootloader = hvm ? NULL : "pygrub",
.pv_kernel = hvm ? NULL : "/boot/vmlinuz-2.6.16.33-xen",
};
xen_vm vm;
xen_vm_create(session, &vm, &vm_record);
xen_string_string_map_free(vcpus_params);
xen_string_string_map_free(hvm_boot_params);
if (!session->ok)
{
fprintf(stderr, "VM creation failed.\n");
print_error(session);
return NULL;
}
/*
* Create a new disk for the new VM.
*/
xen_sr_set *srs;
if (!xen_sr_get_by_name_label(session, &srs, "QCoW") ||
srs->size < 1)
{
fprintf(stderr, "SR lookup failed.\n");
print_error(session);
xen_vm_free(vm);
return NULL;
}
xen_sr_record_opt sr_record =
{
.u.handle = srs->contents[0]
};
xen_vdi_record vdi0_record =
{
.name_label = "MyRootFS",
.name_description = "MyRootFS description",
.sr = &sr_record,
.virtual_size = (INT64_C(1) << 30), // 1GiB
.type = XEN_VDI_TYPE_SYSTEM,
.sharable = false,
.read_only = false
};
xen_vdi vdi0;
if (!xen_vdi_create(session, &vdi0, &vdi0_record))
{
fprintf(stderr, "VDI creation failed.\n");
print_error(session);
xen_sr_set_free(srs);
xen_vm_free(vm);
return NULL;
}
xen_vm_record_opt vm_record_opt =
{
.u.handle = vm
};
xen_vdi_record_opt vdi0_record_opt =
{
.u.handle = vdi0
};
xen_vbd_record vbd0_record =
{
.vm = &vm_record_opt,
.vdi = &vdi0_record_opt,
.device = "xvda1",
.mode = XEN_VBD_MODE_RW,
.bootable = 1,
};
xen_vbd vbd0;
if (!xen_vbd_create(session, &vbd0, &vbd0_record))
{
fprintf(stderr, "VBD creation failed.\n");
print_error(session);
xen_vdi_free(vdi0);
xen_sr_set_free(srs);
xen_vm_free(vm);
return NULL;
}
xen_console vnc_console = NULL;
if (hvm) {
xen_console_record vnc_console_record =
{
.protocol = XEN_CONSOLE_PROTOCOL_RFB,
.vm = &vm_record_opt,
};
if (!xen_console_create(session, &vnc_console, &vnc_console_record))
{
fprintf(stderr, "VNC console creation failed.\n");
print_error(session);
xen_vbd_free(vbd0);
xen_vdi_free(vdi0);
xen_sr_set_free(srs);
xen_vm_free(vm);
return NULL;
}
}
char *vm_uuid;
char *vdi0_uuid;
char *vbd0_uuid;
char *vnc_uuid = NULL;
xen_vm_get_uuid(session, &vm_uuid, vm);
xen_vdi_get_uuid(session, &vdi0_uuid, vdi0);
xen_vbd_get_uuid(session, &vbd0_uuid, vbd0);
if (hvm) {
xen_console_get_uuid(session, &vnc_uuid, vnc_console);
}
if (!session->ok)
{
fprintf(stderr, "get_uuid call failed.\n");
print_error(session);
xen_uuid_free(vm_uuid);
xen_uuid_free(vdi0_uuid);
xen_uuid_free(vbd0_uuid);
xen_uuid_free(vnc_uuid);
xen_vbd_free(vbd0);
xen_vdi_free(vdi0);
xen_console_free(vnc_console);
xen_sr_set_free(srs);
xen_vm_free(vm);
return NULL;
}
if (hvm) {
printf("Created a new HVM VM, with UUID %s, VDI UUID %s, VBD "
"UUID %s, and VNC console UUID %s.\n",
vm_uuid, vdi0_uuid, vbd0_uuid, vnc_uuid);
}
else {
printf("Created a new PV VM, with UUID %s, VDI UUID %s, and VBD "
"UUID %s.\n",
vm_uuid, vdi0_uuid, vbd0_uuid);
}
xen_uuid_free(vm_uuid);
xen_uuid_free(vdi0_uuid);
xen_uuid_free(vbd0_uuid);
xen_uuid_free(vnc_uuid);
xen_vbd_free(vbd0);
xen_vdi_free(vdi0);
xen_console_free(vnc_console);
xen_sr_set_free(srs);
return vm;
}
/**
* Print the power state for the given VM.
*/
static void print_vm_power_state(xen_session *session, xen_vm vm)
{
char *vm_uuid;
enum xen_vm_power_state power_state;
if (!xen_vm_get_uuid(session, &vm_uuid, vm))
{
print_error(session);
return;
}
if (!xen_vm_get_power_state(session, &power_state, vm))
{
xen_uuid_free(vm_uuid);
print_error(session);
return;
}
printf("VM %s power state is %s.\n", vm_uuid,
xen_vm_power_state_to_string(power_state));
xen_uuid_free(vm_uuid);
fflush(stdout);
}
/**
* Workaround for whinging GCCs, as suggested by strftime(3).
*/
static size_t my_strftime(char *s, size_t max, const char *fmt,
const struct tm *tm)
{
return strftime(s, max, fmt, tm);
}
/**
* Print some session details.
*/
static void print_session_info(xen_session *session)
{
xen_session_record *record;
if (!xen_session_get_record(session, &record, session))
{
print_error(session);
return;
}
printf("Session UUID: %s.\n", record->uuid);
printf("Session user: %s.\n", record->this_user);
char time[256];
struct tm *tm = localtime(&record->last_active);
my_strftime(time, 256, "Session last active: %c, local time.\n", tm);
printf(time);
char *uuid = NULL;
char *this_user = NULL;
xen_session_get_uuid(session, &uuid, session);
xen_session_get_this_user(session, &this_user, session);
if (!session->ok)
{
free(uuid);
free(this_user);
xen_session_record_free(record);
print_error(session);
return;
}
assert(!strcmp(record->uuid, uuid));
assert(!strcmp(record->this_user, this_user));
free(uuid);
free(this_user);
xen_session_record_free(record);
fflush(stdout);
}
static int pstrcmp(const void *p1, const void *p2)
{
return strcmp(*(char **)p1, *(char **)p2);
}
/**
* Print the list of supported methods.
*/
static void print_methods(xen_session *session)
{
xen_string_set *methods;
if (!xen_host_list_methods(session, &methods))
{
print_error(session);
goto done;
}
printf("%zd.\n", methods->size);
qsort(methods->contents, methods->size, sizeof(char *), pstrcmp);
printf("Supported methods:\n");
for (size_t i = 0; i < methods->size; i++)
{
printf(" %s\n", methods->contents[i]);
}
fflush(stdout);
done:
xen_string_set_free(methods);
}
/**
* Print the metrics for the given VM.
*/
static void print_vm_metrics(xen_session *session, xen_vm vm)
{
xen_vm_metrics vm_metrics;
if (!xen_vm_get_metrics(session, &vm_metrics, vm))
{
print_error(session);
return;
}
xen_vm_metrics_record *vm_metrics_record;
if (!xen_vm_metrics_get_record(session, &vm_metrics_record, vm_metrics))
{
xen_vm_metrics_free(vm_metrics);
print_error(session);
return;
}
char time[256];
struct tm *tm = localtime(&vm_metrics_record->last_updated);
my_strftime(time, 256, "Metrics updated at %c, local time.\n", tm);
printf(time);
tm = localtime(&vm_metrics_record->start_time);
my_strftime(time, 256, "VM running since %c, local time.\n", tm);
printf(time);
for (size_t i = 0; i < vm_metrics_record->vcpus_utilisation->size; i++)
{
printf("%"PRId64" -> %lf.\n",
vm_metrics_record->vcpus_utilisation->contents[i].key,
vm_metrics_record->vcpus_utilisation->contents[i].val);
}
printf("VCPU -> PCPU mapping:\n");
for (size_t i = 0; i < vm_metrics_record->vcpus_cpu->size; i++)
{
printf(" %"PRId64" -> %"PRId64".\n",
vm_metrics_record->vcpus_cpu->contents[i].key,
vm_metrics_record->vcpus_cpu->contents[i].val);
}
printf("Live scheduling parameters:\n");
for (size_t i = 0; i < vm_metrics_record->vcpus_params->size; i++)
{
printf(" %s -> %s.\n",
vm_metrics_record->vcpus_params->contents[i].key,
vm_metrics_record->vcpus_params->contents[i].val);
}
for (size_t i = 0; i < vm_metrics_record->vcpus_flags->size; i++)
{
printf("%"PRId64" -> ",
vm_metrics_record->vcpus_flags->contents[i].key);
xen_string_set *s = vm_metrics_record->vcpus_flags->contents[i].val;
for (size_t j = 0; j < s->size; j++)
{
printf("%s", s->contents[j]);
if (j + 1 != s->size)
{
printf(", ");
}
}
printf("\n");
}
xen_vm_metrics_record_free(vm_metrics_record);
xen_vm_metrics_free(vm_metrics);
fflush(stdout);
}
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