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8351854e90585636ee0de5999ad82139fa1321c7
zhangyang-libzt/test/unit/unit.cpp

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improved unit test coverage
2017-05-01 17:44:45 -07:00
// Comprehensive stress test for socket-like API
#include <unistd.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <arpa/inet.h>
#include <string.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <fcntl.h>
#include <iostream>
#include "ZeroTierSDK.h"
#define PASSED 0
#define FAILED -1
#define ECHO_INTERVAL 100000 // us
#define STR_SIZE 32
#define TEST_OP_N_BYTES 10
#define TEST_OP_N_SECONDS 11
#define TEST_OP_N_TIMES 12
#define TEST_MODE_CLIENT 20
#define TEST_MODE_SERVER 21
#define TEST_TYPE_SIMPLE 30
#define TEST_TYPE_SUSTAINED 31
char str[STR_SIZE];
// [] random
// [OK] simple client ipv4
// [OK] simple server ipv4
// [?] simple client ipv6
// [?] simple server ipv6
// [OK] sustained client ipv4
// [OK] sustained server ipv4
// [?] sustained client ipv6
// [?] sustained server ipv6
// [] comprehensive client ipv4
// [] comprehensive server ipv6
/* Performance Tests
Throughput
Memory Usage
Processor usage
socket API semantics
- Proper socket closure
- Proper handling of blocking/non-blocking behaviour
- replicate specific errno conditions and verify correctness
Network semantics
- Multi-network handling
- Address handling
ZeroTier-specific functionality
*/
/****************************************************************************/
/* SIMPLE CLIENT */
/****************************************************************************/
//
int ipv4_tcp_client_test(struct sockaddr_in *addr, int port)
{
int r, w, sockfd, err, len = strlen(str);
char rbuf[STR_SIZE];
if((sockfd = zts_socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("error creating ZeroTier socket");
}
if((err = zts_connect(sockfd, (const struct sockaddr *)addr, sizeof(addr))) < 0) {
printf("error connecting to remote host (%d)\n", err);
}
w = zts_write(sockfd, str, len);
r = zts_read(sockfd, rbuf, len);
err = zts_close(sockfd);
return (w == len && r == len && !err) && !strcmp(rbuf, str) ? PASSED : FAILED;
}
//
int ipv6_tcp_client_test(struct sockaddr_in6 *addr, int port)
{
int r, w, sockfd, err, len = strlen(str);
char rbuf[STR_SIZE];
if((sockfd = zts_socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("error creating ZeroTier socket");
}
if((err = zts_connect(sockfd, (const struct sockaddr *)addr, sizeof(addr))) < 0) {
printf("error connecting to remote host (%d)\n", err);
}
w = zts_write(sockfd, str, len);
r = zts_read(sockfd, rbuf, len);
err = zts_close(sockfd);
return (w == len && r == len && !err) && !strcmp(rbuf, str) ? PASSED : FAILED;
}
/****************************************************************************/
/* SIMPLE SERVER */
/****************************************************************************/
//
int ipv4_tcp_server_test(struct sockaddr_in *addr, int port)
{
int w=0, r=0, sockfd, accfd, err, len = strlen(str);
char rbuf[STR_SIZE];
if((sockfd = zts_socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("error creating ZeroTier socket");
}
if((err = zts_bind(sockfd, (struct sockaddr *)addr, sizeof(struct sockaddr_in)) < 0)) {
printf("error binding to interface (%d)\n", err);
}
if((err = zts_listen(sockfd, 100)) < 0) {
printf("error placing socket in LISTENING state (%d)\n", err);
}
// TODO: handle new address
if((accfd = zts_accept(sockfd, (struct sockaddr *)&addr, (socklen_t *)sizeof(addr))) < 0) {
printf("error accepting connection (%d)\n", err);
}
r = zts_read(accfd, rbuf, sizeof rbuf);
w = zts_write(accfd, rbuf, len);
zts_close(sockfd);
zts_close(accfd);
return (w == len && r == len && !err) && !strcmp(rbuf, str) ? PASSED : FAILED;
}
//
int ipv6_tcp_server_test(struct sockaddr_in6 *addr, int port)
{
int w=0, r=0, sockfd, accfd, err, len = strlen(str);
char rbuf[STR_SIZE];
if((sockfd = zts_socket(AF_INET6, SOCK_STREAM, 0)) < 0) {
printf("error creating ZeroTier socket");
}
if((err = zts_bind(sockfd, (struct sockaddr *)addr, sizeof(struct sockaddr_in)) < 0)) {
printf("error binding to interface (%d)\n", err);
}
if((err = zts_listen(sockfd, 100)) < 0) {
printf("error placing socket in LISTENING state (%d)\n", err);
}
// TODO: handle new address
if((accfd = zts_accept(sockfd, (struct sockaddr *)&addr, (socklen_t *)sizeof(addr))) < 0) {
printf("error accepting connection (%d)\n", err);
}
r = zts_read(accfd, rbuf, sizeof rbuf);
w = zts_write(accfd, rbuf, len);
zts_close(sockfd);
zts_close(accfd);
return (w == len && r == len && !err) && !strcmp(rbuf, str) ? PASSED : FAILED;
}
/****************************************************************************/
/* SUSTAINED CLIENT */
/****************************************************************************/
// Maintain transfer for n_count OR n_count
int ipv4_tcp_client_sustained_test(struct sockaddr_in *addr, int port, int operation, int n_count, int delay)
{
int w=0, r=0, sockfd, accfd, err, len = strlen(str);
int tot, n=0;
char rbuf[STR_SIZE];
if((sockfd = zts_socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("error creating ZeroTier socket");
}
if((err = zts_connect(sockfd, (const struct sockaddr *)addr, sizeof(addr))) < 0) {
printf("error connecting to remote host (%d)\n", err);
}
//zts_fcntl(sockfd, F_SETFL, O_NONBLOCK);
if(operation == TEST_OP_N_TIMES) {
tot = len*n_count;
for(int i=0; i<n_count; i++) {
usleep(delay * 1000);
n = zts_write(sockfd, str, len);
if (n > 0)
w += n;
n = zts_read(sockfd, rbuf, len);
if (n > 0)
r += n;
}
err = zts_close(sockfd);
return (r == tot && w == tot && !err) && !strcmp(rbuf, str) ? PASSED : FAILED;
}
if(operation == TEST_OP_N_BYTES) {
tot = n_count;
while(r < tot || w < tot) {
usleep(delay * 1000);
if (w < tot)
n = zts_write(sockfd, str, n_count);
if (n > 0)
w += n;
if (r < tot)
n = zts_read(sockfd, rbuf, n_count);
if (n > 0)
r += n;
}
err = zts_close(sockfd);
return (r == tot && w == tot && !err) ? PASSED : FAILED;
}
return FAILED;
}
// Maintain transfer for n_count OR n_count
int ipv6_tcp_client_sustained_test(struct sockaddr_in6 *addr, int port, int operation, int n_count, int delay)
{
int w=0, r=0, sockfd, accfd, err, len = strlen(str);
int tot, n=0;
char rbuf[STR_SIZE];
if((sockfd = zts_socket(AF_INET6, SOCK_STREAM, 0)) < 0) {
printf("error creating ZeroTier socket");
}
if((err = zts_connect(sockfd, (const struct sockaddr *)addr, sizeof(addr))) < 0) {
printf("error connecting to remote host (%d)\n", err);
}
//zts_fcntl(sockfd, F_SETFL, O_NONBLOCK);
if(operation == TEST_OP_N_TIMES) {
tot = len*n_count;
for(int i=0; i<n_count; i++) {
usleep(delay * 1000);
n = zts_write(sockfd, str, len);
if (n > 0)
w += n;
n = zts_read(sockfd, rbuf, len);
if (n > 0)
r += n;
}
err = zts_close(sockfd);
return (r == tot && w == tot && !err) && !strcmp(rbuf, str) ? PASSED : FAILED;
}
if(operation == TEST_OP_N_BYTES) {
tot = n_count;
while(r < tot || w < tot) {
usleep(delay * 1000);
if (w < tot)
n = zts_write(sockfd, str, n_count);
if (n > 0)
w += n;
if (r < tot)
n = zts_read(sockfd, rbuf, n_count);
if (n > 0)
r += n;
}
err = zts_close(sockfd);
return (r == tot && w == tot && !err) ? PASSED : FAILED;
}
return FAILED;
}
/****************************************************************************/
/* SUSTAINED SERVER */
/****************************************************************************/
// Maintain transfer for n_count OR n_count
int ipv4_tcp_server_sustained_test(struct sockaddr_in *addr, int port, int operation, int n_count, int delay)
{
int w=0, r=0, sockfd, accfd, err, len = strlen(str);
int tot, n=0;
char rbuf[STR_SIZE];
if((sockfd = zts_socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("error creating ZeroTier socket");
}
if((err = zts_bind(sockfd, (struct sockaddr *)addr, (socklen_t)sizeof(struct sockaddr_in)) < 0)) {
printf("error binding to interface (%d)\n", err);
}
if((err = zts_listen(sockfd, 1)) < 0) {
printf("error placing socket in LISTENING state (%d)\n", err);
}
// TODO: handle new address
if((accfd = zts_accept(sockfd, (struct sockaddr *)&addr, (socklen_t *)sizeof(addr))) < 0) {
printf("error accepting connection (%d)\n", err);
}
//zts_fcntl(accfd, F_SETFL, O_NONBLOCK);
if(operation == TEST_OP_N_TIMES) {
tot = len*n_count;
for(int i=0; i<n_count; i++) {
usleep(delay * 1000);
r += zts_read(accfd, rbuf, len);
w += zts_write(accfd, rbuf, len);
}
zts_close(sockfd);
zts_close(accfd);
return (r == tot && w == tot && !err) && !strcmp(rbuf, str) ? PASSED : FAILED;
}
if(operation == TEST_OP_N_BYTES) {
tot = n_count;
while(r < tot || w < tot) {
usleep(delay * 1000);
if (r < tot)
n = zts_read(accfd, rbuf, n_count);
if (n > 0)
r += n;
if (w < tot)
n = zts_write(accfd, str, n_count);
if (n > 0)
w += n;
}
zts_close(sockfd);
zts_close(accfd);
return (r == tot && w == tot && !err) ? PASSED : FAILED;
}
return FAILED;
}
// Maintain transfer for n_count OR n_count
int ipv6_tcp_server_sustained_test(struct sockaddr_in6 *addr, int port, int operation, int n_count, int delay)
{
int w=0, r=0, sockfd, accfd, err, len = strlen(str);
int tot, n=0;
char rbuf[STR_SIZE];
if((sockfd = zts_socket(AF_INET6, SOCK_STREAM, 0)) < 0) {
printf("error creating ZeroTier socket");
}
if((err = zts_bind(sockfd, (struct sockaddr *)addr, (socklen_t)sizeof(struct sockaddr_in)) < 0)) {
printf("error binding to interface (%d)\n", err);
}
if((err = zts_listen(sockfd, 1)) < 0) {
printf("error placing socket in LISTENING state (%d)\n", err);
}
// TODO: handle new address
if((accfd = zts_accept(sockfd, (struct sockaddr *)&addr, (socklen_t *)sizeof(addr))) < 0) {
printf("error accepting connection (%d)\n", err);
}
//zts_fcntl(accfd, F_SETFL, O_NONBLOCK);
if(operation == TEST_OP_N_TIMES) {
tot = len*n_count;
for(int i=0; i<n_count; i++) {
usleep(delay * 1000);
r += zts_read(accfd, rbuf, len);
w += zts_write(accfd, rbuf, len);
}
zts_close(sockfd);
zts_close(accfd);
return (r == tot && w == tot && !err) && !strcmp(rbuf, str) ? PASSED : FAILED;
}
if(operation == TEST_OP_N_BYTES) {
tot = n_count;
while(r < tot || w < tot) {
usleep(delay * 1000);
if (r < tot)
n = zts_read(accfd, rbuf, n_count);
if (n > 0)
r += n;
if (w < tot)
n = zts_write(accfd, str, n_count);
if (n > 0)
w += n;
}
zts_close(sockfd);
zts_close(accfd);
return (r == tot && w == tot && !err) ? PASSED : FAILED;
}
return FAILED;}
/****************************************************************************/
/* RANDOMIZED API TEST */
/****************************************************************************/
int random_api_test()
{
// PASSED implies we didn't segfault or hang anywhere
//
int calls_made = 0;
// how many calls we'll make
int num_of_api_calls = 10;
/*
zts_socket()
zts_connect()
zts_listen()
zts_accept()
zts_bind()
zts_getsockopt()
zts_setsockopt()
zts_fnctl()
zts_close()
*/
// variables which will be populated with random values
int fd, arg_val;
struct sockaddr_in addr;
struct sockaddr_in6 addr6;
while(calls_made < num_of_api_calls)
{
fprintf(stderr, "calls_made = %d\n", calls_made);
int random_call = 0;
/*
switch(random_call)
{
default:
printf()
}
*/
calls_made++;
}
return PASSED;
}
/****************************************************************************/
/* test driver, called from main() */
/****************************************************************************/
/*
*
* path = place where ZT keys, and config files will be stored
* nwid = network for app to join
* type = simple, sustained
* protocol = 4, 6
* mode = client, server
* addr = ip address string
* port = integer
* operation = n_times, n_seconds, n_bytes, etc
* n_count = number of operations of type
* delay = delay between each operation
*
*/
int do_test(std::string path, std::string nwid, int type, int protocol, int mode, std::string ipstr, int port, int operation, int n_count, int delay)
{
struct hostent *server;
struct sockaddr_in6 addr6;
struct sockaddr_in addr;
printf("\npath = %s\n", path.c_str());
printf("nwid = %s\n", nwid.c_str());
printf("type = %d\n", type);
printf("protocol = %d\n", protocol);
printf("mode = %d\n", mode);
printf("ipstr = %s\n", ipstr.c_str());
printf("port = %d\n", port);
printf("operation = %d\n", operation);
printf("n_count = %d\n", n_count);
printf("delay = %d\n\n", delay);
/****************************************************************************/
/* SIMPLE */
/****************************************************************************/
// SIMPLE
// performs a one-off test of a particular subset of the API
// For instance (ipv4 client, ipv6 server, etc)
if(type == TEST_TYPE_SIMPLE) {
if(mode == TEST_MODE_CLIENT) {
std::cout << "connecting to " << ipstr << " on port " << port << std::endl;
// IPv4
if(protocol == 4) {
addr.sin_addr.s_addr = inet_addr(ipstr.c_str());
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
//printf(" running (%d) test as ipv=%d\n", mode, protocol);
return ipv4_tcp_client_test(&addr, port);
}
// IPv6
if(protocol == 6) {
server = gethostbyname2(ipstr.c_str(),AF_INET6);
memset((char *) &addr6, 0, sizeof(addr6));
addr6.sin6_flowinfo = 0;
addr6.sin6_family = AF_INET6;
memmove((char *) &addr6.sin6_addr.s6_addr, (char *) server->h_addr, server->h_length);
addr6.sin6_port = htons(port);
//printf(" running (%d) test as ipv=%d\n", mode, protocol);
return ipv6_tcp_client_test(&addr6, port);
}
}
if(mode == TEST_MODE_SERVER) {
//printf("serving on port %s\n", port);
// IPv4
if(protocol == 4) {
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(ipstr.c_str());
// addr.sin_addr.s_addr = htons(INADDR_ANY);
addr.sin_family = AF_INET;
//printf(" running (%d) test as ipv=%d\n", mode, protocol);
return ipv4_tcp_server_test(&addr, port);
}
// IPv6
if(protocol == 6) {
struct hostent *server;
server = gethostbyname2("fde5:cd7a:9e1c:0fd2:7299:9369:4d7b:feff",AF_INET6);
if (server == NULL) {
printf("ERROR, no such host\n");
exit(0);
}
memset((char *) &addr6, 0, sizeof(addr6));
addr6.sin6_flowinfo = 0;
addr6.sin6_family = AF_INET6;
memmove((char *) &addr6.sin6_addr.s6_addr, (char *) server->h_addr, server->h_length);
addr6.sin6_port = htons(port);
/*
server = gethostbyname2(ipstr.c_str(),AF_INET6);
memset((char *) &addr6, 0, sizeof(addr6));
addr6.sin6_flowinfo = 0;
addr6.sin6_family = AF_INET6;
addr6.sin6_port = htons(port);
//addr6.sin6_addr = in6addr_any;
memmove((char *) &addr6.sin6_addr.s6_addr, (char *) server->h_addr, server->h_length);
//printf(" running (%d) test as ipv=%d\n", mode, protocol);
printf("ipstr = %s\n", ipstr.c_str());
*/
return ipv6_tcp_server_test(&addr6, port);
}
}
}
/****************************************************************************/
/* SUSTAINED */
/****************************************************************************/
// ./unit zt2 c7cd7c9e1b0f52a2 simple 4 client 10.9.9.40 8787 n_seconds 10 50
// ./unit zt2 c7cd7c9e1b0f52a2 simple 4 client 10.9.9.40 8787 n_bytes 100 50
// ./unit zt2 c7cd7c9e1b0f52a2 simple 4 client 10.9.9.40 8787 n_times 100 50
// SUSTAINED
// Performs a stress test for benchmarking performance
if(type == TEST_TYPE_SUSTAINED) {
if(mode == TEST_MODE_CLIENT) {
//printf("connecting to %s on port %d\n", ipstr, port);
// IPv4
if(protocol == 4) {
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(ipstr.c_str());
addr.sin_family = AF_INET;
//printf(" running (%d) test as ipv=%d\n", mode, protocol);
return ipv4_tcp_client_sustained_test(&addr, port, operation, n_count, delay);
}
// IPv6
if(protocol == 6) {
server = gethostbyname2(ipstr.c_str(),AF_INET6);
memset((char *) &addr6, 0, sizeof(addr6));
addr6.sin6_flowinfo = 0;
addr6.sin6_family = AF_INET6;
memmove((char *) &addr6.sin6_addr.s6_addr, (char *) server->h_addr, server->h_length);
addr6.sin6_port = htons(port);
//printf(" running (%d) test as ipv=%d\n", mode, protocol);
return ipv6_tcp_client_sustained_test(&addr6, port, operation, n_count, delay);
}
}
if(mode == TEST_MODE_SERVER)
{
//printf("serving on port %d\n", port);
// IPv4
if(protocol == 4) {
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(ipstr.c_str());
// addr.sin_addr.s_addr = htons(INADDR_ANY);
addr.sin_family = AF_INET;
//printf(" running (%d) test as ipv=%d\n", mode, protocol);
return ipv4_tcp_server_sustained_test(&addr, port, operation, n_count, delay);
}
// IPv6
if(protocol == 6) {
server = gethostbyname2(ipstr.c_str(),AF_INET6);
memset((char *) &addr6, 0, sizeof(addr6));
addr6.sin6_flowinfo = 0;
addr6.sin6_family = AF_INET6;
addr6.sin6_port = htons(port);
addr6.sin6_addr = in6addr_any;
//memmove((char *) &addr6.sin6_addr.s6_addr, (char *) server->h_addr, server->h_length);
//printf(" running (%d) test as ipv=%d\n", mode, protocol);
return ipv6_tcp_server_sustained_test(&addr6, port, operation, n_count, delay);
}
}
}
return 0;
}
/****************************************************************************/
/* main (calls test driver: do_test(...)) */
/****************************************************************************/
// zt2 c7cd7c9e1b0f52a2 simple 4 client 10.9.9.40 8787 n_seconds 10 50
// int do_test(std::string path, std::string nwid, int type, int protocol, int mode, char *ipstr, int port, int operation, int n_count, int delay)
int main(int argc , char *argv[])
{
if(argc < 3) {
printf("usage: ./unit <path> <nwid> <simple|sustained|random> <4|6> <client|server> <port> <operation> <count> <delay>\n");
return 1;
}
int err = 0;
int type = 0;
int protocol = 0;
int mode = 0;
int port = 0;
int operation = 0;
int n_count = 0;
int delay = 0;
std::string path = argv[1];
std::string nwid = argv[2];
std::string stype = argv[3];
std::string ipstr, ipstr6;
memcpy(str, "welcome to the machine", 22);
// If we're performing a non-random test, join the network we want to test on
// and wait until the service initializes the SocketTap and provides an address
if(stype == "simple" || stype == "sustained" || stype == "comprehensive") {
zts_start(path.c_str());
printf("waiting for service to start...\n");
while(!zts_service_running())
sleep(1);
printf("joining network...\n");
zts_join_network(nwid.c_str());
printf("waiting for address assignment...\n");
while(!zts_has_address(nwid.c_str()))
sleep(1);
printf("complete\n");
}
// SIMPLE
// performs a one-off test of a particular subset of the API
// For instance (ipv4 client, ipv6 server, etc)
if(stype == "simple")
{
// Parse args
type = TEST_TYPE_SIMPLE;
protocol = atoi(argv[4]);
if(!strcmp(argv[5],"client"))
mode = TEST_MODE_CLIENT;
if(!strcmp(argv[5],"server"))
mode = TEST_MODE_SERVER;
ipstr = argv[6];
port = atoi(argv[7]);
// Perform test
if((err = do_test(path, nwid, type, protocol, mode, ipstr, port, operation, n_count, delay)) == PASSED)
fprintf(stderr, "PASSED\n");
else
fprintf(stderr, "FAILED\n");
return err;
}
// SUSTAINED
// Performs a stress test for benchmarking performance
if(stype == "sustained")
{
type = TEST_TYPE_SUSTAINED;
protocol = atoi(argv[4]);
if(!strcmp(argv[5],"client"))
mode = TEST_MODE_CLIENT;
if(!strcmp(argv[5],"server"))
mode = TEST_MODE_SERVER;
ipstr = argv[6];
port = atoi(argv[7]);
std::string s_operation = argv[ 8]; // n_count, n_count, n_count
n_count = atoi(argv[ 9]); // 10, 100, 1000, ...
delay = atoi(argv[10]); // 100 (in ms)
if(s_operation == "n_times")
operation = TEST_OP_N_TIMES;
if(s_operation == "n_bytes")
operation = TEST_OP_N_BYTES;
if(s_operation == "n_seconds")
operation = TEST_OP_N_SECONDS;
// Perform test
if((err = do_test(path, nwid, type, protocol, mode, ipstr, port, operation, n_count, delay)) == PASSED)
fprintf(stderr, "PASSED\n");
else
fprintf(stderr, "FAILED\n");
return err;
}
/****************************************************************************/
/* COMPREHENSIVE */
/****************************************************************************/
// ./unit zt2 c7cd7c9e1b0f52a2 comprehensive client ipv4 ipv6 9009
// ./unit zt2 c7cd7c9e1b0f52a2 comprehensive server ipv4 ipv6 9009
// COMPREHENSIVE
// Tests ALL API calls
if(stype == "comprehensive")
{
// Parse args
type = TEST_TYPE_SIMPLE;
if(!strcmp(argv[4],"client"))
mode = TEST_MODE_CLIENT;
if(!strcmp(argv[4],"server"))
mode = TEST_MODE_SERVER;
ipstr = argv[5];
ipstr6 = argv[6];
port = atoi(argv[7]);
/* Each host must operate as the counterpoint to the other, thus, each mode
* will call the same test helper functions in different orders
* Additionally, the test will use the preset paremeters below for the test:
*/
int test = 0;
printf("comprehensive\n");
printf("test = %d\n", test);
test = !test;
printf("test = %d\n", test);
delay = 0;
n_count = 10;
type = TEST_TYPE_SIMPLE;
operation = TEST_OP_N_TIMES;
// IPV4
protocol = 4;
// perform first test arrangement
do_test(path, nwid, type, protocol, mode, ipstr, port, operation, n_count, delay);
sleep(1);
do_test(path, nwid, type, protocol, mode, ipstr, port, operation, n_count, delay);
sleep(1);
// swtich modes
if(mode == TEST_MODE_SERVER)
mode = TEST_MODE_CLIENT;
else if(mode == TEST_MODE_CLIENT)
mode = TEST_MODE_SERVER;
// perform second test arrangement
do_test(path, nwid, type, protocol, mode, ipstr, port, operation, n_count, delay);
sleep(1);
do_test(path, nwid, type, protocol, mode, ipstr, port, operation, n_count, delay);
// IPV6
protocol = 6;
// perform first test arrangement
do_test(path, nwid, type, protocol, mode, ipstr6, port, operation, n_count, delay);
sleep(1);
do_test(path, nwid, type, protocol, mode, ipstr6, port, operation, n_count, delay);
sleep(1);
// swtich modes
if(mode == TEST_MODE_SERVER)
mode = TEST_MODE_CLIENT;
else if(mode == TEST_MODE_CLIENT)
mode = TEST_MODE_SERVER;
// perform second test arrangement
do_test(path, nwid, type, protocol, mode, ipstr6, port, operation, n_count, delay);
sleep(1);
do_test(path, nwid, type, protocol, mode, ipstr6, port, operation, n_count, delay);
/*
ipv4_tcp_client_test
ipv6_tcp_client_test
ipv4_tcp_server_test
ipv6_tcp_server_test
ipv4_tcp_client_sustained_test
ipv6_tcp_client_sustained_test
ipv4_tcp_server_sustained_test
ipv6_tcp_server_sustained_test
*/
}
/****************************************************************************/
/* RANDOM */
/****************************************************************************/
// RANDOM
// performs random API calls with plausible (and random) arguments/data
if(stype == "random")
{
random_api_test();
}
while(1)
sleep(1);
return 0;
}
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