ibwrapper_test.c

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				tconn->id ? tconn->id : "NULL"));
			if (sum!=((unsigned char *)buf)[n-1]) {
				DEBUG(0, ("ERROR: checksum mismatch %u!=%u\n",
					(uint32_t)sum, (uint32_t)((unsigned char *)buf)[n-1]));
				ibw_stop(tcx->ibwctx);
				goto error;
			}
		} else if (op!=TESTOP_SEND_ID) {
			char *buf2;
			void *key2;

			/* bounce message regardless what it is */
			if (ibw_alloc_send_buf(conn, (void **)&buf2, &key2, n)) {
				fprintf(stderr, "ibw_alloc_send_buf error #2\n");
				goto error;
			}
			memcpy(buf2, buf, n);
			if (ibw_send(conn, buf2, key2, n)) {
				fprintf(stderr, "ibw_send error #2\n");
				goto error;
			}
			tcx->nsent++;
		}
	} else { /* client: */
		if (op==TESTOP_SEND_ID && tcx->maxsize) {
			/* send them in one blow */
			rc = ibwtest_do_varsize_scenario_conn(tcx, conn);
		}

		if (tcx->nmsg) {
			char	msg[26];
			sprintf(msg, "hello world %d", tcx->nmsg--);
			rc = ibwtest_send_test_msg(tcx, conn, msg);
			if (tcx->nmsg==0) {
				ibw_stop(tcx->ibwctx);
				tcx->stopping = 1;
			}
		}
	}

	if (rc)
		tcx->error = rc;

	return rc;
error:
	return -1;
}

void ibwtest_timeout_handler(struct event_context *ev, struct timed_event *te, 
	struct timeval t, void *private_data)
{
	struct ibwtest_ctx *tcx = talloc_get_type(private_data, struct ibwtest_ctx);
	int	rc;

	if (!tcx->is_server) {
		struct ibw_conn *conn;
		char	msg[50];

		/* fill it with something variable... */
		sprintf(msg, "hello world %d", tcx->cnt++);

		/* send something to everybody... */
		for(conn=tcx->ibwctx->conn_list; conn!=NULL; conn=conn->next) {
			if (conn->state==IBWC_CONNECTED) {
				rc = ibwtest_send_test_msg(tcx, conn, msg);
				if (rc)
					tcx->error = rc;
			}
		}
	} /* else allow main loop run */
}

static struct ibwtest_ctx *testctx = NULL;

void ibwtest_sigint_handler(int sig)
{
	DEBUG(0, ("got SIGINT\n"));
	if (testctx) {
		if (testctx->ibwctx->state==IBWS_READY ||
			testctx->ibwctx->state==IBWS_CONNECT_REQUEST ||
			testctx->ibwctx->state==IBWS_ERROR)
		{
			if (testctx->stopping) {
				DEBUG(10, ("forcing exit...\n"));
				testctx->kill_me = 1;
			} else {
				/* mostly expected case */
				ibw_stop(testctx->ibwctx);
				testctx->stopping = 1;
			}
		} else
			testctx->kill_me = 1;
	}
}

int ibwtest_parse_attrs(struct ibwtest_ctx *tcx, char *optext,
	struct ibw_initattr **pattrs, int *nattrs, char op)
{
	int	i = 0, n = 1;
	int	porcess_next = 1;
	char	*p, *q;
	struct ibw_initattr *attrs = NULL;

	*pattrs = NULL;
	for(p = optext; *p!='\0'; p++) {
		if (*p==',')
			n++;
	}

	attrs = (struct ibw_initattr *)talloc_size(tcx,
		n * sizeof(struct ibw_initattr));
	for(p = optext; *p!='\0'; p++) {
		if (porcess_next) {
			attrs[i].name = p;
			q = strchr(p, ':');
			if (q==NULL) {
				fprintf(stderr, "-%c format error\n", op);
				return -1;
			}
			*q = '\0';
			attrs[i].value = q + 1;

			porcess_next = 0;
			i++;
			p = q; /* ++ at end */
		}
		if (*p==',') {
			*p = '\0'; /* ++ at end */
			porcess_next = 1;
		}
	}
	*pattrs = attrs;
	*nattrs = n;

	return 0;
}

static int ibwtest_get_address(const char *address, struct in_addr *addr)
{
	if (inet_pton(AF_INET, address, addr) <= 0) {
		struct hostent *he = gethostbyname(address);
		if (he == NULL || he->h_length > sizeof(*addr)) {
			DEBUG(0, ("invalid nework address '%s'\n", address));
			return -1;
		}
		memcpy(addr, he->h_addr, he->h_length);
	}
	return 0;
}

int ibwtest_getdests(struct ibwtest_ctx *tcx, char op)
{
	int	i;
	struct ibw_initattr	*attrs = NULL;
	struct sockaddr_in	*p;
	char	*tmp;

	tmp = talloc_strdup(tcx, optarg);
	/* hack to reuse the above ibw_initattr parser */
	if (ibwtest_parse_attrs(tcx, tmp, &attrs, &tcx->naddrs, op))
		return -1;

	tcx->addrs = talloc_size(tcx,
		tcx->naddrs * sizeof(struct sockaddr_in));
	for(i=0; i<tcx->naddrs; i++) {
		p = tcx->addrs + i;
		p->sin_family = AF_INET;
		if (ibwtest_get_address(attrs[i].name, &p->sin_addr))
			return -1;
		p->sin_port = htons(atoi(attrs[i].value));
	}

	return 0;
}

int ibwtest_init_server(struct ibwtest_ctx *tcx)
{
	if (tcx->naddrs!=1) {
		fprintf(stderr, "incorrect number of addrs(%d!=1)\n", tcx->naddrs);
		return -1;
	}

	if (ibw_bind(tcx->ibwctx, &tcx->addrs[0])) {
		DEBUG(0, ("ERROR: ibw_bind failed\n"));
		return -1;
	}
	
	if (ibw_listen(tcx->ibwctx, 1)) {
		DEBUG(0, ("ERROR: ibw_listen failed\n"));
		return -1;
	}

	/* continued at IBWS_READY */
	return 0;
}

void ibwtest_usage(struct ibwtest_ctx *tcx, char *name)
{
	printf("Usage:\n");
	printf("\t%s -i <id> -o {name:value} -d {addr:port} -t nsec -s\n", name);
	printf("\t-i <id> is a free text, acting as a server id, max 23 chars [mandatory]\n");
	printf("\t-o name1:value1,name2:value2,... is a list of (name, value) pairs\n");
	printf("\t-a addr1:port1,addr2:port2,... is a list of destination ip addresses\n");
	printf("\t-t nsec delta time between sends in nanosec [default %d]\n", tcx->nsec);
	printf("\t\t send message periodically and endless when nsec is non-zero\n");
	printf("\t-s server mode (you have to give exactly one -d address:port in this case)\n");
	printf("\t-n number of messages to send [default %d]\n", tcx->nmsg);
	printf("\t-l usec time to sleep in the main loop [default %d]\n", tcx->sleep_usec);
	printf("\t-v max variable msg size in bytes [default %d], 0=don't send var. size\n", tcx->maxsize);
	printf("\t-d LogLevel [default %d]\n", LogLevel);	
	printf("Press ctrl+C to stop the program.\n");
}

int main(int argc, char *argv[])
{
	int	rc, op;
	int	result = 1;
	struct event_context *ev = NULL;
	struct ibwtest_ctx *tcx = NULL;
	float	usec;

	tcx = talloc_zero(NULL, struct ibwtest_ctx);
	memset(tcx, 0, sizeof(struct ibwtest_ctx));
	tcx->nsec = 0;
	tcx->nmsg = 1000;
	LogLevel = 0;

	/* here is the only case we can't avoid using global... */
	testctx = tcx;
	signal(SIGINT, ibwtest_sigint_handler);
	srand((unsigned)time(NULL));

	while ((op=getopt(argc, argv, "i:o:d:m:st:n:l:v:a:")) != -1) {
		switch (op) {
		case 'i':
			tcx->id = talloc_strdup(tcx, optarg);
			break;
		case 'o':
			tcx->opts = talloc_strdup(tcx, optarg);
			if (ibwtest_parse_attrs(tcx, tcx->opts, &tcx->attrs,
				&tcx->nattrs, op))
				goto cleanup;
			break;
		case 'a':
			if (ibwtest_getdests(tcx, op))
				goto cleanup;
			break;
		case 's':
			tcx->is_server = 1;
			break;
		case 't':
			tcx->nsec = (unsigned int)atoi(optarg);
			break;
		case 'n':
			tcx->nmsg = atoi(optarg);
			break;
		case 'l':
			tcx->sleep_usec = (unsigned int)atoi(optarg);
			break;
		case 'v':
			tcx->maxsize = (unsigned int)atoi(optarg);
			break;
		case 'd':
			LogLevel = atoi(optarg);
			break;
		default:
			fprintf(stderr, "ERROR: unknown option -%c\n", (char)op);
			ibwtest_usage(tcx, argv[0]);
			goto cleanup;
		}
	}
	if (tcx->id==NULL) {
		ibwtest_usage(tcx, argv[0]);
		goto cleanup;
	}

	ev = event_context_init(NULL);
	assert(ev);

	tcx->ibwctx = ibw_init(tcx->attrs, tcx->nattrs,
		tcx,
		ibwtest_connstate_handler,
		ibwtest_receive_handler,
		ev
	);
	if (!tcx->ibwctx)
		goto cleanup;

	if (tcx->is_server)
		rc = ibwtest_init_server(tcx);
	else
		rc = ibwtest_connect_everybody(tcx);
	if (rc)
		goto cleanup;

	while(!tcx->kill_me && !tcx->error) {
		if (tcx->nsec) {
			event_add_timed(ev, tcx, timeval_current_ofs(0, tcx->nsec),
				ibwtest_timeout_handler, tcx);
		}

		event_loop_once(ev);

		if (tcx->sleep_usec)
			usleep(tcx->sleep_usec);
	}

	if (!tcx->is_server && tcx->nsent!=0 && !tcx->error) {
		if (gettimeofday(&tcx->end_time, NULL)) {
			DEBUG(0, ("gettimeofday error %d\n", errno));
			goto cleanup;
		}
		usec = (tcx->end_time.tv_sec - tcx->start_time.tv_sec) * 1000000 +
				(tcx->end_time.tv_usec - tcx->start_time.tv_usec);
		printf("usec: %f, nmsg: %d, usec/nmsg: %f\n",
			usec, tcx->nsent, usec/(float)tcx->nsent);
	}

	if (!tcx->error)
		result = 0; /* everything OK */

cleanup:
	if (tcx)
		talloc_free(tcx);
	if (ev)
		talloc_free(ev);
	DEBUG(0, ("exited with code %d\n", result));
	return result;
}