Beispiel #1
0
static PyObject *
py_cpg_membership_get(PyObject *self, PyObject *args)
{
    cpg_handle_t handle;
    struct cpg_name group_name;
    const int maxaddrs = 100;
    int naddrs = maxaddrs, i, ret;
    struct cpg_address addrs[maxaddrs];
    PyObject *Pname, *Paddr, *Paddrs, *Presult;

    if (!PyArg_ParseTuple(args, "l", &handle))
	return NULL;

    ret = cpg_membership_get(handle, &group_name, addrs, &naddrs);
    RETURN_ON_ERROR(ret, "cpg_membership_get");

    Pname = PyString_FromStringAndSize(group_name.value, group_name.length);
    RETURN_IF_NULL(Pname);

    Paddrs = PyList_New(naddrs);
    RETURN_IF_NULL(Paddrs);
    for (i=0; i<naddrs; i++)
    {
	Paddr = PyTuple_New(3);
	RETURN_IF_NULL(Paddr);
	PyTuple_SET_ITEM(Paddr, 0, PyInt_FromLong(addrs[i].nodeid));
	PyTuple_SET_ITEM(Paddr, 1, PyInt_FromLong(addrs[i].pid));
	PyTuple_SET_ITEM(Paddr, 2, PyInt_FromLong(addrs[i].reason));
	PyList_SET_ITEM(Paddrs, i, Paddr);
    }

    Presult = PyTuple_New(2);
    RETURN_IF_NULL(Presult);
    PyTuple_SET_ITEM(Presult, 0, Pname);
    PyTuple_SET_ITEM(Presult, 1, Paddrs);
    return Presult;
}
Beispiel #2
0
int main (int argc, char *argv[]) {
	cpg_handle_t handle;
	fd_set read_fds;
	int select_fd;
	int result;
	int retries;
	const char *options = "i";
	int opt;
	unsigned int nodeid;
	char *fgets_res;
	struct cpg_address member_list[64];
	int member_list_entries;
	int i;
	int recnt;
	int doexit;
	const char *exitStr = "EXIT";

	doexit = 0;

#ifdef QBLOG
	qb_log_init("testcpg", LOG_USER, LOG_ERR);
	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);
	qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FILE, "*", LOG_TRACE);
	qb_log_ctl(QB_LOG_STDERR, QB_LOG_CONF_ENABLED, QB_TRUE);
	qb_log_format_set(QB_LOG_STDERR, "[%p] %f %b");
#endif

	while ( (opt = getopt(argc, argv, options)) != -1 ) {
		switch (opt) {
		case 'i':
			show_ip = 1;
			break;
		}
	}

	if (argc > optind) {
		strcpy(group_name.value, argv[optind]);
		group_name.length = strlen(argv[optind]);
	}
	else {
		strcpy(group_name.value, "GROUP");
		group_name.length = 6;
	}
	recnt = 0;

	printf ("Type %s to finish\n", exitStr);
	restart = 1;

	do {
		if(restart) {
			restart = 0;
			retries = 0;
			cs_repeat_init(retries, 30, result = cpg_model_initialize (&handle, CPG_MODEL_V1, (cpg_model_data_t *)&model_data, NULL));
			if (result != CS_OK) {
				printf ("Could not initialize Cluster Process Group API instance error %d\n", result);
				retrybackoff(recnt);
			}
			retries = 0;
			cs_repeat(retries, 30, result = cpg_local_get(handle, &nodeid));
			if (result != CS_OK) {
				printf ("Could not get local node id\n");
				retrybackoff(recnt);
			}
			printf ("Local node id is %x\n", nodeid);
			nodeidStart = nodeid;

			retries = 0;
			cs_repeat(retries, 30, result = cpg_join(handle, &group_name));
			if (result != CS_OK) {
				printf ("Could not join process group, error %d\n", result);
				retrybackoff(recnt);
			}

			retries = 0;
			cs_repeat(retries, 30, result = cpg_membership_get (handle, &group_name,
				(struct cpg_address *)&member_list, &member_list_entries));
			if (result != CS_OK) {
				printf ("Could not get current membership list %d\n", result);
				retrybackoff(recnt);
			}
			recnt = 0;

			printf ("membership list\n");
			for (i = 0; i < member_list_entries; i++) {
				printf ("node id %d pid %d\n", member_list[i].nodeid,
					member_list[i].pid);
			}

			FD_ZERO (&read_fds);
			cpg_fd_get(handle, &select_fd);
		}
		FD_SET (select_fd, &read_fds);
		FD_SET (STDIN_FILENO, &read_fds);
		result = select (select_fd + 1, &read_fds, 0, 0, 0);
		if (result == -1) {
			perror ("select\n");
		}
		if (FD_ISSET (STDIN_FILENO, &read_fds)) {
			char inbuf[132];
			struct iovec iov;

			fgets_res = fgets(inbuf, (int)sizeof(inbuf), stdin);
			if (fgets_res == NULL) {
				doexit = 1;
				cpg_leave(handle, &group_name);
			}
			if (strncmp(inbuf, exitStr, strlen(exitStr)) == 0) {
				doexit = 1;
				cpg_leave(handle, &group_name);
			}
			else {
				iov.iov_base = inbuf;
				iov.iov_len = strlen(inbuf)+1;
				cpg_mcast_joined(handle, CPG_TYPE_AGREED, &iov, 1);
			}
		}
		if (FD_ISSET (select_fd, &read_fds)) {
			if (cpg_dispatch (handle, CS_DISPATCH_ALL) != CS_OK) {
				if(doexit) {
					exit(1);
				}
				restart = 1;
			}
		}
		if(restart) {
			if(!doexit) {
				result = cpg_finalize (handle);
				printf ("Finalize+restart result is %d (should be 1)\n", result);
				continue;
			}
		}
	} while (result && !quit && !doexit);

	result = cpg_finalize (handle);
	printf ("Finalize  result is %d (should be 1)\n", result);
	return (0);
}