apps/nettest: add network test

add network test
getaddrinfo, gethostbyname, getnameinfo...

apps/examples/nettest/Makefile

@@ -63,7 +63,7 @@ THREADEXEC = TASH_EXECMD_ASYNC
 # transport layer (TCP / UDP) / IP multicast functionality test example
 
 ASRCS =
-CSRCS = nettest_stress.c
+CSRCS = nettest_stress.c test_main.c
 MAINSRC = nettest.c
 
 AOBJS = $(ASRCS:.S=$(OBJEXT))

apps/examples/nettest/nettest.c

@@ -144,6 +144,7 @@ uint32_t total_data;
 
 #define NETTEST_SERVER_MODE 1
 #define NETTEST_CLIENT_MODE 2
+#define NETTEST_INTERNAL_MODE 3
 #define NETTEST_PROTO_TCP "tcp"
 #define NETTEST_PROTO_UDP "udp"
 #define NETTEST_PROTO_BROADCAST "brc"
@@ -170,6 +171,7 @@ static void show_usage(void)
 	printf("MODE:\n");
 	printf("\t1: server\n");
 	printf("\t2: client\n");
+	printf("\t3: internal\n");
 
 	printf("PROTOCOL\n");
 	printf("\ttcp: TCP\n");
@@ -477,7 +479,7 @@ void ipmcast_receiver_thread(int num_packets, const char *intf)
 		printf("[MCASTSERV] fail: adding multicast group %d\n", errno);
 		goto out_with_socket;
 	}
-		
+
 	if (bind(sd, (struct sockaddr *)&localSock, sizeof(localSock))) {
 		printf("[MCASTSERV] ERR: binding datagram socket\n");
 		goto out_with_socket;
@@ -832,6 +834,7 @@ void tcp_client_thread(int num_packets, uint32_t sleep_time)
 }
 
 extern void nettest_stress(char *addr, int port);
+extern int network_internal_test(void);
 
 /* Sample App to test Transport Layer (TCP / UDP) / IP Multicast Functionality */
 #ifdef CONFIG_BUILD_KERNEL
@@ -847,12 +850,16 @@ int nettest_main(int argc, char *argv[])
 	/* pps - packet per second, default value 1 */
 	uint32_t pps = 1;
 
+	if (argc == 2 && atoi(argv[1]) == NETTEST_INTERNAL_MODE) {
+		network_internal_test();
+		return 0;
+	}
 	if (argc < 5) {
 		goto err_with_input;
 	}
 
 	mode = atoi(argv[1]);
-	if (mode != NETTEST_SERVER_MODE && mode != NETTEST_CLIENT_MODE) {
+	if (mode != NETTEST_SERVER_MODE && mode != NETTEST_CLIENT_MODE && mode != NETTEST_INTERNAL_MODE) {
 		goto err_with_input;
 	}
 
@@ -930,4 +937,3 @@ int nettest_main(int argc, char *argv[])
 	show_usage();
 	return -1;
 }
-

apps/examples/nettest/test_main.c

@@ -0,0 +1,264 @@
+/****************************************************************************
+ *
+ * Copyright 2021 Samsung Electronics All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ ****************************************************************************/
+#include <lwip/sockets.h>
+#include <netdb.h>
+#include <tinyara/config.h>
+#include <stress_tool/st_perf.h>
+
+#define NT_TEST_TRIAL 2
+#define NT_MAXHOST 1024 /* refer NI_MAXHOST */
+#define NT_MAXSERV 64	/* refer tmpserv in lwip_getnameinfo */
+#define TC_HOST_NAME "www.google.com"
+#define TC_SERVICE "80"
+#define NT_STR_DNS_ADDR "8.8.8.8"
+
+char g_hostname[NT_MAXHOST]; // stack overflow can be happened if set this value local variable.
+char g_serv[NT_MAXSERV];
+
+static void _print_addrinfo(struct addrinfo *addr)
+{
+	struct addrinfo *rp;
+	char buf[64];
+	printf("=====================================\n");
+	printf("family\tsocket type\tprotocol\taddress\n");
+	printf("-------------------------------------\n");
+	for (rp = addr; rp != NULL; rp = rp->ai_next) {
+		printf("%d\t%d\t%d\t", rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+		if (rp->ai_family == AF_INET) {
+			inet_ntop(rp->ai_family, &(((struct sockaddr_in *)(rp->ai_addr))->sin_addr), buf, sizeof(buf));
+			printf("%s\n", buf);
+		} else if (rp->ai_family == AF_INET6) {
+			inet_ntop(rp->ai_family, &(((struct sockaddr_in6 *)(rp->ai_addr))->sin6_addr), buf, sizeof(buf));
+			printf("%s\n", buf);
+		} else {
+			printf("\n");
+		}
+	}
+	printf("=====================================\n\n");
+}
+
+static void _print_serv_info(const char *host, const char *service)
+{
+	printf("=====================================\n");
+	printf("host\tservice\n");
+	printf("-------------------------------------\n");
+	printf("%s\t%s\n", host, service);
+	printf("=====================================\n\n");
+}
+
+static void _print_host(const struct hostent *he)
+{
+	struct in_addr **addr_list;
+	printf("=====================================\n");
+	printf("Official name is: %s\n", he->h_name);
+	printf("IP address: %s\n", inet_ntoa(*(struct in_addr *)he->h_addr));
+	printf("All addresses: ");
+	addr_list = (struct in_addr **)he->h_addr_list;
+	for (int i = 0; addr_list[i] != NULL; i++) {
+		printf("%s ", inet_ntoa(*addr_list[i]));
+	}
+	printf("\n=====================================\n\n");
+}
+
+/*
+ * Description: get socket information
+ */
+START_TEST_F(getaddrinfo_p)
+{
+	struct addrinfo hints;
+	struct addrinfo *servinfo;
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+
+	int res = getaddrinfo(TC_HOST_NAME, TC_SERVICE, &hints, &servinfo);
+	ST_EXPECT_EQ(0, res);
+	if (res == 0) {
+		_print_addrinfo(servinfo);
+		freeaddrinfo(servinfo);
+	}
+}
+END_TEST_F
+
+/*
+ * Description: verify getaddrinfo negative case
+ */
+START_TEST_F(getaddrinfo_n)
+{
+	ST_EXPECT_NEQ(0, getaddrinfo(NULL, NULL, NULL, NULL));
+}
+END_TEST_F
+
+/*
+ * description: getnameinfo positive
+ */
+START_TEST_F(getnameinfo_p)
+{
+	struct addrinfo hints;
+	struct addrinfo *servinfo;
+	int res = 0;
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	res = getaddrinfo(TC_HOST_NAME, TC_SERVICE, &hints, &servinfo);
+	ST_EXPECT_EQ(0, res);
+
+	res = getnameinfo(servinfo->ai_addr, sizeof(struct sockaddr),
+					  g_hostname, sizeof(g_hostname),
+					  g_serv, sizeof(g_serv),
+					  NI_NUMERICSERV | NI_NUMERICHOST);
+	ST_EXPECT_EQ(0, res);
+	if (res == 0) {
+		_print_serv_info(g_hostname, g_serv);
+	}
+	freeaddrinfo(servinfo);
+}
+END_TEST_F
+
+/*
+ * description: getnameinfo negative
+ */
+START_TEST_F(getnameinfo_n)
+{
+	int res = getnameinfo(NULL, 0,
+						  g_hostname, sizeof(g_hostname),
+						  g_serv, sizeof(g_serv),
+						  NI_NUMERICSERV | NI_NUMERICHOST);
+	ST_EXPECT_NEQ(0, res);
+}
+END_TEST_F
+
+/*
+ * description: gethostbyname positive
+ */
+START_TEST_F(gethostbyname_p)
+{
+	struct hostent *shost;
+	shost = gethostbyname(TC_HOST_NAME);
+	ST_EXPECT_NEQ(NULL, shost);
+	if (shost != NULL) {
+		_print_host(shost);
+	}
+}
+END_TEST_F
+
+/*
+ * description: gethostbyname negative
+ */
+START_TEST_F(gethostbyname_n)
+{
+	struct hostent *shost;
+	shost = gethostbyname(NULL);
+	ST_EXPECT_EQ(NULL, shost);
+}
+END_TEST_F
+
+/*
+ * description: get socket information
+ */
+START_TEST_F(netmon_sock)
+{
+	char *str_sock = NULL;
+	int ret = netlib_netmon_sock(str_sock);
+	ST_EXPECT_EQ(0, ret);
+	if (ret == 0) {
+		printf("%s\n", str_sock);
+		free(str_sock);
+	}
+}
+END_TEST_F
+
+/*
+ * description: get network stack statistics info
+ */
+START_TEST_F(netmon_stats)
+{
+	char *str_stats = NULL;
+	int ret = netlib_getstats((void *)str_stats);
+	ST_EXPECT_EQ(0, ret);
+	if (ret == 0) {
+		printf("%s\n", str_stats);
+		free(str_stats);
+	}
+}
+END_TEST_F
+
+/*
+ * Description: get NIC statistics
+ */
+START_TEST_F(netmon_dev_stats)
+{
+	char *str_stats = NULL;
+	int ret = netlib_netmon_devstats("wlan0", (void **)&str_stats);
+	ST_EXPECT_EQ(0, ret);
+	if (ret == 0) {
+		printf("%s\n", str_stats);
+		free(str_stats);
+	}
+}
+END_TEST_F
+
+/*
+ * description: set dns server
+ */
+START_TEST_F(set_dns_p)
+{
+	struct sockaddr_in dns_addr;
+	memset(&dns_addr, 0x0, sizeof(struct sockaddr_in));
+	dns_addr.sin_family = AF_INET;
+	inet_pton(AF_INET, NT_STR_DNS_ADDR, (void *)&dns_addr.sin_addr);
+	int res = netlib_setdnsserver((struct sockaddr *)&dns_addr, -1);
+	ST_EXPECT_EQ(0, res);
+}
+END_TEST_F
+
+/*
+ * description: set dns server negative
+ */
+START_TEST_F(set_dns_n)
+{
+	int res = netlib_setdnsserver(NULL, -1);
+	ST_EXPECT_NEQ(0, res);
+}
+END_TEST_F
+
+int network_internal_test(void)
+{
+	ST_SET_PACK(nettest);
+
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "getaddrinfo p", getaddrinfo_p);
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "getaddrinfo n", getaddrinfo_n);
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "gethostbyname p", gethostbyname_p);
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "gethostbyname n", gethostbyname_n);
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "getnameinfo p", getnameinfo_p);
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "getnameinfo n", getnameinfo_n);
+
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "get sock info from netmon", netmon_sock);
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "get statistics from netmon", netmon_stats);
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "get NIC statistics", netmon_dev_stats);
+
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "set dns positive", set_dns_p);
+	ST_SET_SMOKE1(nettest, NT_TEST_TRIAL, ST_NO_TIMELIMIT, "set dns negative", set_dns_n);
+
+	ST_RUN_TEST(nettest);
+	ST_RESULT_TEST(nettest);
+
+	return 0;
+}

apps/system/utils/netcmd_netmon.c

@@ -100,21 +100,22 @@ int cmd_netmon(int argc, char **argv)
 		/* Get socket information: SIOCGETSOCK */
 		char *buf = NULL;
 		ret = netlib_netmon_sock(buf);
-		if (ret != 0) {
-			NETCMD_LOGE(NTAG, "Failed to fetch socket info.\n");
-		} else {
+		if (!ret) {
 			_print_sock(buf);
 			free(buf);
+		} else {
+			NETCMD_LOGE(NTAG, "Failed to fetch socket info.\n");
 		}
 	} else if (!(strncmp(argv[1], "wifi", strlen("wifi") + 1))) {
 		return _print_wifi_info();
 	} else if (!(strncmp(argv[1], "netstats", strlen("netstats") + 1))) {
 		return -1;
 	} else {
 		char *buf = NULL;
-		ret = netlib_netmon_devstats(argv[1], buf);
+		ret = netlib_netmon_devstats(argv[1], (void **)&buf);
 		if (!ret) {
 			_print_devstats(buf);
+			free(buf);
 		} else {
 			NETCMD_LOGE(NTAG, "No device interface %s\n", argv[1]);
 			return ERROR;

external/include/netutils/netlib.h

@@ -154,7 +154,7 @@ void netlib_freeifaddrs(struct ifaddrs *ifa);
 
 #ifdef CONFIG_NET_NETMON
 int netlib_netmon_sock(void *arg);
-int netlib_netmon_devstats(const char *ifname, void *arg);
+int netlib_netmon_devstats(const char *ifname, void **arg);
 #endif
 
 /* HTTP support */

external/include/stress_tool/st_perf.h

@@ -38,6 +38,7 @@
 #define ST_ELOG printf
 #endif
 
+#define ST_NO_TIMELIMIT 0
 /*
  * Initializer Macro
  */