Esempi in C++ (Cpp) per ofi_sin_addr

Esempio n. 1

File: verbs_info.c Progetto: tonyzinger/libfabric-cray

static int fi_ibv_getifaddrs(const char *service, uint64_t flags, struct fi_info *info)
{
	struct ifaddrs *ifaddr, *ifa;
	char name[INET6_ADDRSTRLEN];
	const char *ret_ptr;
	int ret, num_verbs_ifs = 0;

	flags |= FI_NUMERICHOST | FI_SOURCE;

	ret = getifaddrs(&ifaddr);
	if (ret) {
		FI_WARN(&fi_ibv_prov, FI_LOG_FABRIC,
				"Unable to get interface addresses\n");
		return ret;
	}

	for (ifa = ifaddr; ifa; ifa = ifa->ifa_next) {
		if (!ifa->ifa_addr || !(ifa->ifa_flags & IFF_UP) ||
				!strcmp(ifa->ifa_name, "lo"))
			continue;
		switch (ifa->ifa_addr->sa_family) {
		case AF_INET:
			ret_ptr = inet_ntop(AF_INET, &ofi_sin_addr(ifa->ifa_addr),
				name, INET6_ADDRSTRLEN);
			break;
		case AF_INET6:
			ret_ptr = inet_ntop(AF_INET6, &ofi_sin6_addr(ifa->ifa_addr),
				name, INET6_ADDRSTRLEN);
			break;
		default:
			continue;
		}
		if (!ret_ptr) {
			FI_WARN(&fi_ibv_prov, FI_LOG_FABRIC,
					"inet_ntop failed: %s(%d)\n",
					strerror(errno), errno);
			goto err;
		}
		ret = fi_ibv_copy_ifaddr(name, service, flags, info);
		if (ret)
			goto err;
		num_verbs_ifs++;
	}
	freeifaddrs(ifaddr);
	return num_verbs_ifs ? 0 : -FI_ENODATA;
err:
	freeifaddrs(ifaddr);
	return ret;
}

Esempio n. 2

File: verbs_info.c Progetto: p91paul/libfabric

/* Builds a list of interfaces that correspond to active verbs devices */
static int fi_ibv_getifaddrs(struct dlist_entry *verbs_devs)
{
	struct ifaddrs *ifaddr, *ifa;
	char name[INET6_ADDRSTRLEN];
	struct rdma_addrinfo *rai;
	struct rdma_cm_id *id;
	const char *ret_ptr;
	int ret, num_verbs_ifs = 0;

	char *iface = NULL;
	size_t iface_len = 0;
	int exact_match = 0;

	ret = getifaddrs(&ifaddr);
	if (ret) {
	       VERBS_WARN(FI_LOG_FABRIC,
			  "Unable to get interface addresses\n");
		return ret;
	}

	/* select best iface name based on user's input */
	if (fi_param_get_str(&fi_ibv_prov, "iface", &iface) == FI_SUCCESS) {
		iface_len = strlen(iface);
		if (iface_len > IFNAMSIZ) {
			VERBS_INFO(FI_LOG_EP_CTRL,
				   "Too long iface name: %s, max: %d\n",
				   iface, IFNAMSIZ);
			return -FI_EINVAL;
		}
		for (ifa = ifaddr; ifa && !exact_match; ifa = ifa->ifa_next)
			exact_match = !strcmp(ifa->ifa_name, iface);
	}

	for (ifa = ifaddr; ifa; ifa = ifa->ifa_next) {
		if (!ifa->ifa_addr || !(ifa->ifa_flags & IFF_UP) ||
				!strcmp(ifa->ifa_name, "lo"))
			continue;

		if(iface) {
			if(exact_match) {
				if(strcmp(ifa->ifa_name, iface))
					continue;
			} else {
				if(strncmp(ifa->ifa_name, iface, iface_len))
					continue;
			}
		}

		switch (ifa->ifa_addr->sa_family) {
		case AF_INET:
			ret_ptr = inet_ntop(AF_INET, &ofi_sin_addr(ifa->ifa_addr),
				name, INET6_ADDRSTRLEN);
			break;
		case AF_INET6:
			ret_ptr = inet_ntop(AF_INET6, &ofi_sin6_addr(ifa->ifa_addr),
				name, INET6_ADDRSTRLEN);
			break;
		default:
			continue;
		}
		if (!ret_ptr) {
			VERBS_WARN(FI_LOG_FABRIC,
				   "inet_ntop failed: %s(%d)\n",
				   strerror(errno), errno);
			goto err1;
		}

		ret = fi_ibv_create_ep(name, NULL, FI_NUMERICHOST | FI_SOURCE,
				NULL, &rai, &id);
		if (ret)
			continue;

		ret = fi_ibv_add_rai(verbs_devs, id, rai);
		if (ret)
			goto err2;

		VERBS_DBG(FI_LOG_FABRIC, "Found active interface for verbs device: "
			  "%s with address: %s\n",
			  ibv_get_device_name(id->verbs->device), name);

		rdma_destroy_ep(id);

		num_verbs_ifs++;
	}
	freeifaddrs(ifaddr);
	return num_verbs_ifs ? 0 : -FI_ENODATA;
err2:
	rdma_destroy_ep(id);
err1:
	fi_ibv_verbs_devs_free(verbs_devs);
	freeifaddrs(ifaddr);
	return ret;
}