C++ (Cpp) cs_to_errno Examples

Example #1

File: clvmd-corosync.c Project: Find7s/Lvm_for_Android

static int _init_cluster(void)
{
	cs_error_t err;

#ifdef QUORUM_SET	/* corosync/quorum.h */
	uint32_t quorum_type;
#endif

	node_hash = dm_hash_create(100);

	err = cpg_initialize(&cpg_handle,
			     &corosync_cpg_callbacks);
	if (err != CS_OK) {
		syslog(LOG_ERR, "Cannot initialise Corosync CPG service: %d",
		       err);
		DEBUGLOG("Cannot initialise Corosync CPG service: %d", err);
		return cs_to_errno(err);
	}

#ifdef QUORUM_SET
	err = quorum_initialize(&quorum_handle,
				&quorum_callbacks,
				&quorum_type);

	if (quorum_type != QUORUM_SET) {
		syslog(LOG_ERR, "Corosync quorum service is not configured");
		DEBUGLOG("Corosync quorum service is not configured");
		return EINVAL;
	}
#else
	err = quorum_initialize(&quorum_handle,
				&quorum_callbacks);
#endif

	if (err != CS_OK) {
		syslog(LOG_ERR, "Cannot initialise Corosync quorum service: %d",
		       err);
		DEBUGLOG("Cannot initialise Corosync quorum service: %d", err);
		return cs_to_errno(err);
	}

	/* Create a lockspace for LV & VG locks to live in */
	lockspace = dlm_open_lockspace(LOCKSPACE_NAME);
	if (!lockspace) {
		lockspace = dlm_create_lockspace(LOCKSPACE_NAME, 0600);
		if (!lockspace) {
			syslog(LOG_ERR, "Unable to create DLM lockspace for CLVM: %m");
			return -1;
		}
		DEBUGLOG("Created DLM lockspace for CLVMD.\n");
	} else
		DEBUGLOG("Opened existing DLM lockspace for CLVMD.\n");

	dlm_ls_pthread_init(lockspace);
	DEBUGLOG("DLM initialisation complete\n");

	/* Connect to the clvmd group */
	strcpy((char *)cpg_group_name.value, "clvmd");
	cpg_group_name.length = strlen((char *)cpg_group_name.value);
	err = cpg_join(cpg_handle, &cpg_group_name);
	if (err != CS_OK) {
		cpg_finalize(cpg_handle);
		quorum_finalize(quorum_handle);
		dlm_release_lockspace(LOCKSPACE_NAME, lockspace, 1);
		syslog(LOG_ERR, "Cannot join clvmd process group");
		DEBUGLOG("Cannot join clvmd process group: %d\n", err);
		return cs_to_errno(err);
	}

	err = cpg_local_get(cpg_handle,
			    &our_nodeid);
	if (err != CS_OK) {
		cpg_finalize(cpg_handle);
		quorum_finalize(quorum_handle);
		dlm_release_lockspace(LOCKSPACE_NAME, lockspace, 1);
		syslog(LOG_ERR, "Cannot get local node id\n");
		return cs_to_errno(err);
	}
	DEBUGLOG("Our local node id is %d\n", our_nodeid);

	DEBUGLOG("Connected to Corosync\n");

	return 0;
}

Example #2

File: clvmd-corosync.c Project: AhmadTux/DragonFlyBSD

static int _init_cluster(void)
{
	cs_error_t err;

	node_hash = dm_hash_create(100);

	err = cpg_initialize(&cpg_handle,
			     &corosync_cpg_callbacks);
	if (err != CS_OK) {
		syslog(LOG_ERR, "Cannot initialise Corosync CPG service: %d",
		       err);
		DEBUGLOG("Cannot initialise Corosync CPG service: %d", err);
		return cs_to_errno(err);
	}

	err = quorum_initialize(&quorum_handle,
				&quorum_callbacks);
	if (err != CS_OK) {
		syslog(LOG_ERR, "Cannot initialise Corosync quorum service: %d",
		       err);
		DEBUGLOG("Cannot initialise Corosync quorum service: %d", err);
		return cs_to_errno(err);
	}


	/* Create a lockspace for LV & VG locks to live in */
	lockspace = dlm_create_lockspace(LOCKSPACE_NAME, 0600);
	if (!lockspace) {
		if (errno == EEXIST) {
			lockspace = dlm_open_lockspace(LOCKSPACE_NAME);
		}
		if (!lockspace) {
			syslog(LOG_ERR, "Unable to create lockspace for CLVM: %m");
			quorum_finalize(quorum_handle);
			return -1;
		}
	}
	dlm_ls_pthread_init(lockspace);
	DEBUGLOG("DLM initialisation complete\n");

	/* Connect to the clvmd group */
	strcpy((char *)cpg_group_name.value, "clvmd");
	cpg_group_name.length = strlen((char *)cpg_group_name.value);
	err = cpg_join(cpg_handle, &cpg_group_name);
	if (err != CS_OK) {
		cpg_finalize(cpg_handle);
		quorum_finalize(quorum_handle);
		dlm_release_lockspace(LOCKSPACE_NAME, lockspace, 1);
		syslog(LOG_ERR, "Cannot join clvmd process group");
		DEBUGLOG("Cannot join clvmd process group: %d\n", err);
		return cs_to_errno(err);
	}

	err = cpg_local_get(cpg_handle,
			    &our_nodeid);
	if (err != CS_OK) {
		cpg_finalize(cpg_handle);
		quorum_finalize(quorum_handle);
		dlm_release_lockspace(LOCKSPACE_NAME, lockspace, 1);
		syslog(LOG_ERR, "Cannot get local node id\n");
		return cs_to_errno(err);
	}
	DEBUGLOG("Our local node id is %d\n", our_nodeid);

	DEBUGLOG("Connected to Corosync\n");

	return 0;
}