int _cdecl
main(int argc, char *argv[])
{
int c;
int not_inetd = 0;
#ifdef WIN32
BOOL child = FALSE;
#endif
char arg1[BUFSIZ], arg2[BUFSIZ];
#ifndef PATH_MAX
#define PATH_MAX MAX_PATH
#endif
char FileName[PATH_MAX]; /* for opening the debug log file */
struct sockaddr name;
netperf_socklen_t namelen = sizeof(name);
#ifdef WIN32
WSADATA wsa_data ;
/* Initialize the winsock lib ( version 2.2 ) */
if ( WSAStartup(MAKEWORD(2,2), &wsa_data) == SOCKET_ERROR ){
printf("WSAStartup() failed : %d\n", GetLastError()) ;
return 1 ;
}
#endif /* WIN32 */
/* Save away the program name */
program = (char *)malloc(strlen(argv[0]) + 1);
if (program == NULL) {
printf("malloc(%d) failed!\n", strlen(argv[0]) + 1);
return 1 ;
}
strcpy(program, argv[0]);
netlib_init();
/* Scan the command line to see if we are supposed to set-up our own */
/* listen socket instead of relying on inetd. */
/* first set a copy of initial values */
strncpy(local_host_name,"0.0.0.0",sizeof(local_host_name));
local_address_family = AF_UNSPEC;
strncpy(listen_port,TEST_PORT,sizeof(listen_port));
while ((c = getopt(argc, argv, SERVER_ARGS)) != EOF) {
switch (c) {
case '?':
case 'h':
print_netserver_usage();
exit(1);
case 'd':
/* we want to set the debug file name sometime */
debug++;
break;
case 'L':
not_inetd = 1;
break_args_explicit(optarg,arg1,arg2);
if (arg1[0]) {
strncpy(local_host_name,arg1,sizeof(local_host_name));
}
if (arg2[0]) {
local_address_family = parse_address_family(arg2);
/* if only the address family was set, we may need to set the
local_host_name accordingly. since our defaults are IPv4
this should only be necessary if we have IPv6 support raj
2005-02-07 */
#if defined (AF_INET6)
if (!arg1[0]) {
strncpy(local_host_name,"::0",sizeof(local_host_name));
}
#endif
}
break;
case 'n':
shell_num_cpus = atoi(optarg);
if (shell_num_cpus > MAXCPUS) {
fprintf(stderr,
"netserver: This version can only support %d CPUs. Please",
MAXCPUS);
fprintf(stderr,
" increase MAXCPUS in netlib.h and recompile.\n");
fflush(stderr);
exit(1);
}
break;
case 'p':
/* we want to open a listen socket at a */
/* specified port number */
strncpy(listen_port,optarg,sizeof(listen_port));
not_inetd = 1;
break;
case '4':
local_address_family = AF_INET;
break;
case '6':
#if defined(AF_INET6)
local_address_family = AF_INET6;
strncpy(local_host_name,"::0",sizeof(local_host_name));
#else
local_address_family = AF_UNSPEC;
#endif
break;
case 'v':
/* say how much to say */
verbosity = atoi(optarg);
break;
case 'V':
printf("Netperf version %s\n",NETPERF_VERSION);
exit(0);
break;
#ifdef WIN32
/*+*+SAF */
case 'I':
child = TRUE;
/* This is the handle we expect to inherit. */
/*+*+SAF server_sock = (HANDLE)atoi(optarg); */
break;
case 'i':
/* This is a handle we should NOT inherit. */
/*+*+SAF CloseHandle((HANDLE)atoi(optarg)); */
break;
#endif
}
}
/* +*+SAF I need a better way to find inherited handles I should close! */
/* +*+SAF Use DuplicateHandle to force inheritable attribute (or reset it)? */
/* unlink(DEBUG_LOG_FILE); */
strcpy(FileName, DEBUG_LOG_FILE);
#ifndef WIN32
snprintf(&FileName[strlen(FileName)], sizeof(FileName) - strlen(FileName), "_%d", getpid());
if ((where = fopen(FileName, "w")) == NULL) {
perror("netserver: debug file");
exit(1);
}
#else
{
if (child) {
snprintf(&FileName[strlen(FileName)], sizeof(FileName) - strlen(FileName), "_%x", getpid());
}
/* Hopefully, by closing stdout & stderr, the subsequent
fopen calls will get mapped to the correct std handles. */
fclose(stdout);
if ((where = fopen(FileName, "w")) == NULL) {
perror("netserver: fopen of debug file as new stdout failed!");
exit(1);
}
fclose(stderr);
if ((where = fopen(FileName, "w")) == NULL) {
fprintf(stdout, "fopen of debug file as new stderr failed!\n");
exit(1);
}
}
#endif
#ifndef WIN32
chmod(DEBUG_LOG_FILE,0644);
#endif
#if WIN32
if (child) {
server_sock = (SOCKET)GetStdHandle(STD_INPUT_HANDLE);
}
#endif
/* if we are not a child of an inetd or the like, then we should
open a socket and hang listens off of it. otherwise, we should go
straight into processing requests. the do_listen() routine will sit
in an infinite loop accepting connections and forking child
processes. the child processes will call process_requests */
/* If fd 0 is not a socket then assume we're not being called */
/* from inetd and start server socket on the default port. */
/* this enhancement comes from [email protected] (Von Welch) */
if (not_inetd) {
/* the user specified a port number on the command line */
set_up_server(local_host_name,listen_port,local_address_family);
}
#ifdef WIN32
/* OK, with Win2003 WinNT's POSIX subsystem is gone, and hence so is */
/* fork. But hopefully the kernel support will continue to exist */
/* for some time. We are not counting on the address space */
/* copy_on_write support, since it isn't exposed except through the */
/* NT native APIs (which are not public). We will try to use the */
/* InheritHandles flag in CreateProcess though since this is public */
/* and is used for more than just POSIX so hopefully it won't go */
/* away. */
else if (TRUE) {
if (child) {
process_requests();
} else {
strncpy(listen_port,TEST_PORT,sizeof(listen_port));
set_up_server(local_host_name,listen_port,local_address_family);
}
}
#endif
#if !defined(__VMS)
else if (getsockname(0, &name, &namelen) == SOCKET_ERROR) {
/* we may not be a child of inetd */
if (errno == ENOTSOCK) {
strncpy(listen_port,TEST_PORT,sizeof(listen_port));
set_up_server(local_host_name,listen_port,local_address_family);
}
}
#endif /* !defined(__VMS) */
else {
/* we are probably a child of inetd, or are being invoked via the
VMS auxilliarly server mechanism */
#if !defined(__VMS)
server_sock = 0;
#else
if ( (server_sock = socket(TCPIP$C_AUXS, SOCK_STREAM, 0)) == INVALID_SOCKET )
{
perror("Failed to grab aux server socket" );
exit(1);
}
#endif /* !defined(__VMS) */
process_requests();
}
#ifdef WIN32
/* Cleanup the winsock lib */
WSACleanup();
#endif
return(0);
}
void
scan_cmd_line(int argc, char *argv[])
{
extern int optind; /* index of first unused arg */
extern char *optarg; /* pointer to option string */
int c;
char arg1[BUFSIZ], /* argument holders */
arg2[BUFSIZ];
program = (char *)malloc(strlen(argv[0]) + 1);
if (program == NULL) {
printf("malloc(%d) failed!\n", strlen(argv[0]) + 1);
exit(1);
}
strcpy(program, argv[0]);
/* Go through all the command line arguments and break them */
/* out. For those options that take two parms, specifying only */
/* the first will set both to that value. Specifying only the */
/* second will leave the first untouched. To change only the */
/* first, use the form first, (see the routine break_args.. */
while ((c= getopt(argc, argv, GLOBAL_CMD_LINE_ARGS)) != EOF) {
switch (c) {
case '?':
case 'h':
print_netperf_usage();
exit(1);
case 'a':
/* set local alignments */
break_args(optarg,arg1,arg2);
if (arg1[0]) {
local_send_align = convert(arg1);
}
if (arg2[0])
local_recv_align = convert(arg2);
break;
case 'A':
/* set remote alignments */
break_args(optarg,arg1,arg2);
if (arg1[0]) {
remote_send_align = convert(arg1);
}
if (arg2[0])
remote_recv_align = convert(arg2);
break;
case 'c':
/* measure local cpu usage please. the user */
/* may have specified the cpu rate as an */
/* optional parm */
if (argv[optind] && isdigit((unsigned char)argv[optind][0])){
/* there was an optional parm */
local_cpu_rate = (float)atof(argv[optind]);
optind++;
}
local_cpu_usage++;
break;
case 'C':
/* measure remote cpu usage please */
if (argv[optind] && isdigit((unsigned char)argv[optind][0])){
/* there was an optional parm */
remote_cpu_rate = (float)atof(argv[optind]);
optind++;
}
remote_cpu_usage++;
break;
case 'd':
debug++;
break;
case 'D':
#if (defined WANT_DEMO)
demo_mode++;
if (argv[optind] && isdigit((unsigned char)argv[optind][0])){
/* there was an optional parm */
break_args_explicit(argv[optind],arg1,arg2);
optind++;
if (arg1[0]) {
demo_interval = atof(arg1) * 1000000.0;
}
if (arg2[0]) {
demo_units = convert(arg2);
}
}
#else
printf("Sorry, Demo Mode not configured into this netperf.\n");
printf("please consider reconfiguring netperf with\n");
printf("--enable-demo=yes and recompiling\n");
#endif
break;
case 'f':
/* set the thruput formatting */
libfmt = *optarg;
break;
case 'F':
/* set the fill_file variable for pre-filling buffers */
strcpy(fill_file,optarg);
break;
case 'i':
/* set the iterations min and max for confidence intervals */
break_args(optarg,arg1,arg2);
if (arg1[0]) {
iteration_max = convert(arg1);
}
if (arg2[0] ) {
iteration_min = convert(arg2);
}
/* limit maximum to 30 iterations */
if(iteration_max>30) iteration_max=30;
if(iteration_min>30) iteration_min=30;
break;
case 'I':
/* set the confidence level (95 or 99) and width */
break_args(optarg,arg1,arg2);
if (arg1[0]) {
confidence_level = convert(arg1);
}
if((confidence_level != 95) && (confidence_level != 99)){
printf("Only 95%% and 99%% confidence level is supported\n");
exit(1);
}
if (arg2[0] ) {
interval = (double) convert(arg2)/100;
}
break;
case 'k':
/* local dirty and clean counts */
#ifdef DIRTY
break_args(optarg,arg1,arg2);
if (arg1[0]) {
loc_dirty_count = convert(arg1);
}
if (arg2[0] ) {
loc_clean_count = convert(arg2);
}
#else
printf("I don't know how to get dirty.\n");
#endif /* DIRTY */
break;
case 'K':
/* remote dirty and clean counts */
#ifdef DIRTY
break_args(optarg,arg1,arg2);
if (arg1[0]) {
rem_dirty_count = convert(arg1);
}
if (arg2[0] ) {
rem_clean_count = convert(arg2);
}
#else
printf("I don't know how to get dirty.\n");
#endif /* DIRTY */
break;
case 'n':
shell_num_cpus = atoi(optarg);
break;
case 'o':
/* set the local offsets */
break_args(optarg,arg1,arg2);
if (arg1[0])
local_send_offset = convert(arg1);
if (arg2[0])
local_recv_offset = convert(arg2);
break;
case 'O':
/* set the remote offsets */
break_args(optarg,arg1,arg2);
if (arg1[0])
remote_send_offset = convert(arg1);
if (arg2[0])
remote_recv_offset = convert(arg2);
break;
case 'P':
/* to print or not to print, that is */
/* the header question */
print_headers = convert(optarg);
break;
case 't':
/* set the test name */
strcpy(test_name,optarg);
break;
case 'T':
/* We want to set the processor on which netserver or netperf */
/* will run */
break_args(optarg,arg1,arg2);
if (arg1[0]) {
local_proc_affinity = convert(arg1);
bind_to_specific_processor(local_proc_affinity);
}
if (arg2[0])
remote_proc_affinity = convert(arg2);
break;
case 'W':
/* set the "width" of the user space data buffer ring. This will */
/* be the number of send_size buffers malloc'd in the tests */
break_args(optarg,arg1,arg2);
if (arg1[0])
send_width = convert(arg1);
if (arg2[0])
recv_width = convert(arg2);
break;
case 'l':
/* determine test end conditions */
/* assume a timed test */
test_time = convert(optarg);
test_bytes = test_trans = 0;
if (test_time < 0) {
test_bytes = -1 * test_time;
test_trans = test_bytes;
test_time = 0;
}
break;
case 'v':
/* say how much to say */
verbosity = convert(optarg);
break;
case 'p':
/* specify an alternate port number we use break_args_explicit
here to maintain backwards compatibility with previous
generations of netperf where having a single value did not
set both remote _and_ local port number. raj 2005-02-04 */
break_args_explicit(optarg,arg1,arg2);
if (arg1[0])
strncpy(test_port,arg1,PORTBUFSIZE);
if (arg2[0])
strncpy(local_test_port,arg2,PORTBUFSIZE);
break;
case 'H':
/* save-off the host identifying information, use
break_args_explicit since passing just one value should not
set both */
break_args_explicit(optarg,arg1,arg2);
if (arg1[0])
strncpy(host_name,arg1,sizeof(host_name));
if (arg2[0])
address_family = parse_address_family(arg2);
break;
case 'L':
/* save-off the local control socket addressing information. use
break_args_explicit since passing just one value should not
set both */
break_args_explicit(optarg,arg1,arg2);
if (arg1[0])
strncpy(local_host_name,arg1,sizeof(local_host_name));
if (arg2[0])
local_address_family = parse_address_family(arg2);
break;
case 'w':
/* We want to send requests at a certain wate. */
/* Remember that there are 1000000 usecs in a */
/* second, and that the packet rate is */
/* expressed in packets per millisecond. */
#ifdef WANT_INTERVALS
interval_wate = convert(optarg);
interval_usecs = interval_wate * 1000;
#else
fprintf(where,
"Packet rate control is not compiled in.\n");
#endif
break;
case 'b':
/* we want to have a burst so many packets per */
/* interval. */
#ifdef WANT_INTERVALS
interval_burst = convert(optarg);
#else
fprintf(where,
"Packet burst size is not compiled in. \n");
#endif /* WANT_INTERVALS */
break;
case '4':
address_family = AF_INET;
local_address_family = AF_INET;
break;
case '6':
#if defined(AF_INET6)
address_family = AF_INET6;
local_address_family = AF_INET6;
#else
printf("This netperf was not compiled on an IPv6 capable system!\n");
exit(-1);
#endif
break;
};
}
/* ok, what should our default hostname and local binding info be?
*/
if ('\0' == host_name[0]) {
/* host_name was not set */
switch (address_family) {
case AF_INET:
strcpy(host_name,"localhost");
break;
case AF_UNSPEC:
/* what to do here? case it off the local_address_family I
suppose */
switch (local_address_family) {
case AF_INET:
case AF_UNSPEC:
strcpy(host_name,"localhost");
break;
#if defined(AF_INET6)
case AF_INET6:
strcpy(host_name,"::1");
break;
#endif
default:
printf("Netperf does not understand %d as an address family\n",
address_family);
exit(-1);
}
break;
#if defined(AF_INET6)
case AF_INET6:
strcpy(host_name,"::1");
break;
#endif
default:
printf("Netperf does not understand %d as an address family\n",
address_family);
exit(-1);
}
}
/* now, having established the name to which the control will
connect, from what should it come? */
if ('\0' == local_host_name[0]) {
switch (local_address_family) {
case AF_INET:
strcpy(local_host_name,"0.0.0.0");
break;
case AF_UNSPEC:
switch (address_family) {
case AF_INET:
case AF_UNSPEC:
strcpy(local_host_name,"0.0.0.0");
break;
#if defined(AF_INET6)
case AF_INET6:
strcpy(local_host_name,"::0");
break;
#endif
default:
printf("Netperf does not understand %d as an address family\n",
address_family);
exit(-1);
}
break;
#if defined(AF_INET6)
case AF_INET6:
strcpy(local_host_name,"::0");
break;
#endif
default:
printf("Netperf does not understand %d as an address family\n",
address_family);
exit(-1);
}
}
/* parsing test-specific options used to be conditional on there
being a "--" in the option stream. however, some of the tests
have other initialization happening in their "scan" routines so we
want to call them regardless. raj 2005-02-08 */
if ((strcasecmp(test_name,"TCP_STREAM") == 0) ||
#ifdef HAVE_ICSC_EXS
(strcasecmp(test_name,"EXS_TCP_STREAM") == 0) ||
#endif /* HAVE_ICSC_EXS */
#ifdef HAVE_SENDFILE
(strcasecmp(test_name,"TCP_SENDFILE") == 0) ||
#endif /* HAVE_SENDFILE */
(strcasecmp(test_name,"TCP_MAERTS") == 0) ||
(strcasecmp(test_name,"TCP_RR") == 0) ||
(strcasecmp(test_name,"TCP_CRR") == 0) ||
(strcasecmp(test_name,"TCP_CC") == 0) ||
#ifdef DO_1644
(strcasecmp(test_name,"TCP_TRR") == 0) ||
#endif /* DO_1644 */
#ifdef DO_NBRR
(strcasecmp(test_name,"TCP_TRR") == 0) ||
#endif /* DO_NBRR */
(strcasecmp(test_name,"UDP_STREAM") == 0) ||
(strcasecmp(test_name,"UDP_RR") == 0))
{
scan_sockets_args(argc, argv);
}
#ifdef WANT_DLPI
else if ((strcasecmp(test_name,"DLCO_RR") == 0) ||
(strcasecmp(test_name,"DLCL_RR") == 0) ||
(strcasecmp(test_name,"DLCO_STREAM") == 0) ||
(strcasecmp(test_name,"DLCL_STREAM") == 0))
{
scan_dlpi_args(argc, argv);
}
#endif /* WANT_DLPI */
#ifdef WANT_UNIX
else if ((strcasecmp(test_name,"STREAM_RR") == 0) ||
(strcasecmp(test_name,"DG_RR") == 0) ||
(strcasecmp(test_name,"STREAM_STREAM") == 0) ||
(strcasecmp(test_name,"DG_STREAM") == 0))
{
scan_unix_args(argc, argv);
}
#endif /* WANT_UNIX */
#ifdef WANT_XTI
else if ((strcasecmp(test_name,"XTI_TCP_RR") == 0) ||
(strcasecmp(test_name,"XTI_TCP_STREAM") == 0) ||
(strcasecmp(test_name,"XTI_UDP_RR") == 0) ||
(strcasecmp(test_name,"XTI_UDP_STREAM") == 0))
{
scan_xti_args(argc, argv);
}
#endif /* WANT_XTI */
#ifdef WANT_SCTP
else if ((strcasecmp(test_name,"SCTP_STREAM") == 0) ||
(strcasecmp(test_name,"SCTP_RR") == 0) ||
(strcasecmp(test_name,"SCTP_STREAM_MANY") == 0) ||
(strcasecmp(test_name,"SCTP_RR_MANY") == 0))
{
scan_sctp_args(argc, argv);
}
#endif
#ifdef DO_DNS
else if (strcasecmp(test_name,"DNS_RR") == 0)
{
scan_dns_args(argc, argv);
}
#endif /* DO_DNS */
}
void
scan_netserver_args(int argc, char *argv[]) {
int c;
char arg1[BUFSIZ], arg2[BUFSIZ];
if (debug) {
fprintf(where,
"%s: enter\n",
__FUNCTION__);
fflush(where);
}
while ((c = getopt(argc, argv, SERVER_ARGS)) != EOF){
switch (c) {
case '?':
case 'h':
print_netserver_usage();
exit(1);
case 'd':
debug++;
suppress_debug = 0;
break;
case 'D':
/* perhaps one of these days we'll take an argument */
want_daemonize = 0;
not_inetd = 1;
break;
case 'f':
spawn_on_accept = 0;
not_inetd = 1;
break;
#ifdef WIN32
case 'I':
child = TRUE;
break;
case 'i':
break;
#endif
case 'L':
not_inetd = 1;
break_args_explicit(optarg,arg1,arg2);
if (arg1[0]) {
strncpy(local_host_name,arg1,sizeof(local_host_name));
}
if (arg2[0]) {
local_address_family = parse_address_family(arg2);
}
break;
case 'n':
shell_num_cpus = atoi(optarg);
if (shell_num_cpus > MAXCPUS) {
fprintf(stderr,
"netserver: This version can only support %d CPUs. Please"
"increase MAXCPUS in netlib.h and recompile.\n",
MAXCPUS);
fflush(stderr);
exit(1);
}
break;
case 'N':
suppress_debug = 1;
debug = 0;
break;
case 'p':
/* we want to open a listen socket at a specified port number */
strncpy(listen_port,optarg,sizeof(listen_port));
not_inetd = 1;
break;
case 'Z':
/* only copy as much of the passphrase as could fit in the
test-specific portion of a control message. Windows does not
seem to have a strndup() so just malloc and strncpy it. we
weren't checking the strndup() return so won't bother with
checking malloc(). we will though make certain we only
allocated it once in the event that someone puts -Z on the
command line more than once */
if (passphrase == NULL)
passphrase = malloc(sizeof(netperf_request.content.test_specific_data));
strncpy(passphrase,
optarg,
sizeof(netperf_request.content.test_specific_data));
passphrase[sizeof(netperf_request.content.test_specific_data) - 1] = '\0';
break;
case '4':
local_address_family = AF_INET;
break;
case '6':
#if defined(AF_INET6)
local_address_family = AF_INET6;
#else
local_address_family = AF_UNSPEC;
#endif
break;
case 'v':
/* say how much to say */
verbosity = atoi(optarg);
break;
case 'V':
printf("Netperf version %s\n",NETPERF_VERSION);
exit(0);
break;
}
}
}
void
scan_netserver_args(int argc, char *argv[]) {
int c;
char arg1[BUFSIZ], arg2[BUFSIZ];
if (debug) {
fprintf(where,
"%s: enter\n",
__FUNCTION__);
fflush(where);
}
while ((c = getopt(argc, argv, SERVER_ARGS)) != EOF){
switch (c) {
case '?':
case 'h':
print_netserver_usage();
exit(1);
case 'd':
debug++;
suppress_debug = 0;
break;
case 'D':
/* perhaps one of these days we'll take an argument */
want_daemonize = 0;
not_inetd = 1;
break;
case 'f':
spawn_on_accept = 0;
not_inetd = 1;
break;
#ifdef WIN32
case 'I':
child = TRUE;
break;
case 'i':
break;
#endif
case 'L':
not_inetd = 1;
break_args_explicit(optarg,arg1,arg2);
if (arg1[0]) {
strncpy(local_host_name,arg1,sizeof(local_host_name));
}
if (arg2[0]) {
local_address_family = parse_address_family(arg2);
}
break;
case 'n':
shell_num_cpus = atoi(optarg);
if (shell_num_cpus > MAXCPUS) {
fprintf(stderr,
"netserver: This version can only support %d CPUs. Please"
"increase MAXCPUS in netlib.h and recompile.\n",
MAXCPUS);
fflush(stderr);
exit(1);
}
break;
case 'N':
suppress_debug = 1;
debug = 0;
break;
case 'p':
/* we want to open a listen socket at a specified port number */
strncpy(listen_port,optarg,sizeof(listen_port));
not_inetd = 1;
break;
case '4':
local_address_family = AF_INET;
break;
case '6':
#if defined(AF_INET6)
local_address_family = AF_INET6;
#else
local_address_family = AF_UNSPEC;
#endif
break;
case 'v':
/* say how much to say */
verbosity = atoi(optarg);
break;
case 'V':
printf("Netperf version %s\n",NETPERF_VERSION);
exit(0);
break;
}
}
}