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NOTE: This is not a working revision. I'm in the process of redesigning how the client and server communicate. It will be fixed soon

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This commit is contained in:
sethdelliott 2010-06-18 21:08:50 +00:00
parent ff385f98e9
commit 982c704a8a
8 changed files with 496 additions and 347 deletions
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53
src/iperf.h
View File

@ -4,8 +4,8 @@
approvals from the U.S. Dept. of Energy). All rights reserved.
*/
#ifndef IPERF_H
#define IPERF_H
#ifndef __IPERF_H
#define __IPERF_H
#include <sys/time.h>
#include <sys/socket.h>
@ -64,13 +64,13 @@ struct iperf_stream
/* configurable members */
int local_port;
int remote_port;
int socket;
/* XXX: is settings just a pointer to the same struct in iperf_test? if not,
should it be? */
struct iperf_settings *settings; /* pointer to structure settings */
/* non configurable members */
struct iperf_stream_result *result; /* structure pointer to result */
int socket;
struct timer *send_timer;
char *buffer; /* data to send */
@ -100,28 +100,37 @@ struct iperf_stream
struct iperf_test
{
char role; /* c' lient or 's' erver */
char role; /* c' lient or 's' erver */
int protocol;
char *server_hostname; /* -c option */
int state;
char *server_hostname; /* -c option */
int server_port;
int duration; /* total duration of test (-t flag) */
int duration; /* total duration of test (-t flag) */
/* The following two members should be replaced by a single TCP control socket */
int listener_sock_tcp;
int listener_sock_udp;
int ctrl_sck;
// Server is the only one that needs these
int listener;
int prot_listener;
/* boolen variables for Options */
int daemon; /* -D option */
int no_delay; /* -N option */
int print_mss; /* -m option */
int v6domain; /* -6 option */
int output_format; /* -O option */
int verbose; /* -V (verbose) option */
int debug; /* debug mode */
int daemon; /* -D option */
int no_delay; /* -N option */
int print_mss; /* -m option */
int v6domain; /* -6 option */
int output_format; /* -O option */
int verbose; /* -V (verbose) option */
int debug; /* debug mode */
/* Select related parameters */
int max_fd;
fd_set read_set; /* set of read sockets */
fd_set temp_set; /* temp set for select */
fd_set write_set; /* set of write sockets */
fd_set read_set; /* set of read sockets */
fd_set temp_set; /* temp set for select */
fd_set write_set; /* set of write sockets */
int (*accept) (struct iperf_test *);
struct iperf_stream *(*new_stream) (struct iperf_test *);
@ -131,9 +140,9 @@ struct iperf_test
void (*stats_callback) (struct iperf_test *);
void (*reporter_callback) (struct iperf_test *);
int reporter_fd; /* file descriptor for reporter */
int num_streams; /* total streams in the test (-P) */
int tcp_info; /* display getsockopt(TCP_INFO) results */
int reporter_fd; /* file descriptor for reporter */
int num_streams; /* total streams in the test (-P) */
int tcp_info; /* display getsockopt(TCP_INFO) results. Should this be moved to Options? */
/* iperf error reporting
* - errtype: (0,1,2)
@ -144,7 +153,7 @@ struct iperf_test
//int errtype;
//int errno;
struct iperf_stream *streams; /* pointer to list of struct stream */
struct iperf_stream *streams; /* pointer to list of struct stream */
struct iperf_settings *default_settings;
};
@ -159,6 +168,7 @@ struct udp_datagram
struct param_exchange
{
int state;
int protocol;
int stream_id;
int blksize;
int recv_window;
@ -193,6 +203,7 @@ enum
ALL_STREAMS_END = 9,
PARAM_EXCHANGE = 10,
PARAM_EXCHANGE_ACK = 11,
CREATE_STREAMS = 12,
ACCESS_DENIED = -1,
};
@ -209,5 +220,5 @@ enum
#define MAX_MSS 9 * 1024
#define MAX_STREAMS 128
#endif /* IPERF_API_H */
#endif

228
src/iperf_api.c
View File

@ -87,38 +87,57 @@ all_data_sent(struct iperf_test * test)
int
iperf_exchange_parameters(struct iperf_test * test)
{
int result;
struct iperf_stream *sp;
struct param_exchange *param;
struct param_exchange param;
sp = test->streams;
sp->settings->state = PARAM_EXCHANGE;
param = (struct param_exchange *) sp->buffer;
if (test->role == 'c') {
get_uuid(test->default_settings->cookie);
strncpy(param->cookie, test->default_settings->cookie, COOKIE_SIZE);
// XXX: Probably should get the cookie at the start of iperf rather than
// waiting till here
get_uuid(test->default_settings->cookie);
strncpy(param->cookie, test->default_settings->cookie, COOKIE_SIZE);
/* setting up exchange parameters */
param->state = PARAM_EXCHANGE;
param->blksize = test->default_settings->blksize;
param->recv_window = test->default_settings->socket_bufsize;
param->send_window = test->default_settings->socket_bufsize;
param->format = test->default_settings->unit_format;
/* setting up exchange parameters */
param->state = PARAM_EXCHANGE;
param->protocol = test->protocol;
param->blksize = test->default_settings->blksize;
param->recv_window = test->default_settings->socket_bufsize;
param->send_window = test->default_settings->socket_bufsize;
param->format = test->default_settings->unit_format;
if (sp->snd(sp) < 0) {
perror("Error sending exchange params to server");
return -1;
}
if (write(test->ctrl_sck, &param, sizeof(struct param_exchange)) < 0) {
perror("write param_exchange");
return -1;
}
result = Nread(sp->socket, sp->buffer, sizeof(struct param_exchange), Ptcp);
if (result < 0) {
perror("Error getting exchange params ack from server");
return -1;
}
// This code needs to be moved to the server rejection part of the server code
/*
if (result > 0 && sp->buffer[0] == ACCESS_DENIED) {
fprintf(stderr, "Busy server Detected. Try again later. Exiting.\n");
return -1;
}
*/
if (result > 0 && sp->buffer[0] == ACCESS_DENIED) {
fprintf(stderr, "Busy server Detected. Try again later. Exiting.\n");
return -1;
} else {
if (read(ctrl_sck, &param, sizeof(struct param_exchange)) < 0) {
perror("read param_exchange");
return -1;
}
// set test parameters
test->default_settings->cookie = param->cookie;
test->protocol = param->protocol;
test->default_settings->blksize = param->blksize;
test->default_settings->socket_bufsize = param->recv_window;
// need to add support for send_window
test->default_settings->unit_format = param->format;
// Send the control message to create streams and start the test
test->state = CREATE_STREAMS;
if (write(ctrl_sck, &test->state, sizeof(int)) < 0) {
perror("write CREATE_STREAMS");
return -1;
}
}
return 0;
@ -320,87 +339,53 @@ iperf_defaults(struct iperf_test * testp)
/**************************************************************************/
void
iperf_init_test(struct iperf_test * test)
int
iperf_create_streams(struct iperf_test *test)
{
char ubuf[UNIT_LEN];
struct iperf_stream *sp;
int i, s = 0;
int i, s;
if (test->role == 's')
{ /* server */
if (test->protocol == Pudp)
{
test->listener_sock_udp = netannounce(Pudp, NULL, test->server_port);
if (test->listener_sock_udp < 0)
exit(0);
}
/* always create TCP connection for control messages */
test->listener_sock_tcp = netannounce(Ptcp, NULL, test->server_port);
if (test->listener_sock_tcp < 0)
exit(0);
for (i = 0; i < test->num_streams; ++i) {
s = netdial(test->protocol, test->server_hostname, test->server_port);
if (s < 0) {
perror("netdial stream");
return -1;
}
FD_SET(s, &test->read_set);
FD_SET(s, &test->write_set);
test->max_fd = (test->max_fd < s) ? s : test->max_fd;
if (test->protocol == Ptcp)
{
if (set_tcp_windowsize(test->listener_sock_tcp, test->default_settings->socket_bufsize, SO_RCVBUF) < 0)
perror("unable to set TCP window");
}
/* make sure that accept call does not block */
setnonblocking(test->listener_sock_tcp);
setnonblocking(test->listener_sock_udp);
printf("-----------------------------------------------------------\n");
printf("Server listening on %d\n", test->server_port);
int x;
/* make sure we got what we asked for */
if ((x = get_tcp_windowsize(test->listener_sock_tcp, SO_RCVBUF)) < 0)
perror("SO_RCVBUF");
if (test->protocol == Ptcp)
{
{
if (test->default_settings->socket_bufsize > 0)
{
unit_snprintf(ubuf, UNIT_LEN, (double) x, 'A');
printf("TCP window size: %s\n", ubuf);
} else
{
printf("Using TCP Autotuning \n");
}
}
}
printf("-----------------------------------------------------------\n");
// XXX: This doesn't fit our API model!
sp = test->new_stream(test);
sp->socket = s;
iperf_init_stream(test, sp);
iperf_add_stream(sp, test);
// XXX: This line probably needs to be replaced
connect_msg(sp);
}
/* This code is being removed. Commented out until removal
else if (test->role == 'c')
{ // Client
FD_ZERO(&test->write_set);
FD_SET(s, &test->write_set);
// XXX: I think we need to create a TCP control socket here too for
// UDP mode -blt
for (i = 0; i < test->num_streams; i++)
{
s = netdial(test->protocol, test->server_hostname, test->server_port);
if (s < 0)
{
fprintf(stderr, "netdial failed\n");
exit(0);
}
FD_SET(s, &test->write_set);
test->max_fd = (test->max_fd < s) ? s : test->max_fd;
return 0;
}
sp = test->new_stream(test);
sp->socket = s;
iperf_init_stream(sp, test);
iperf_add_stream(test, sp);
connect_msg(sp); // print connection established message
}
int
iperf_handle_message_client(struct iperf_test *test)
{
if (read(test->ctrl_sck, &test->state, sizeof(int)) < 0) {
// indicate error on read
return -1;
}
*/
switch (test->state) {
case CREATE_STREAMS:
iperf_create_streams(test);
break;
default:
printf("How did you get here? test->state = %d\n", test->state);
break;
}
return 0;
}
/* iperf_connect -- client to server connection function */
@ -412,9 +397,30 @@ iperf_connect(struct iperf_test *test)
printf("Connecting to host %s, port %d\n", test->server_hostname, test->server_port);
/* For Select: Set the test->write_set select set to zero, then set the s fd */
FD_ZERO(&test->read_set);
FD_ZERO(&test->write_set);
/* Create and connect the control channel */
test->ctrl_sck = netdial(test->protocol, test->server_hostname, test->server_port);
FD_SET(test->ctrl_sck, &test->read_set);
FD_SET(test->ctrl_sck, &test->write_set);
/* Exchange parameters */
test->state = PARAM_EXCHANGE;
if (write(test->ctrl_sck, &test->state, sizeof(int)) < 0) {
perror("write PARAM_EXCHANGE");
return -1;
}
if (iperf_exchange_parameters(test) < 0) {
fprintf(stderr, "iperf_exchange_parameters failed\n");
return -1;
}
/* Create and connect the individual streams */
// This code has been moved to iperf_create_streams
/*
for (i = 0; i < test->num_streams; i++) {
s = netdial(test->protocol, test->server_hostname, test->server_port);
if (s < 0) {
@ -432,8 +438,9 @@ iperf_connect(struct iperf_test *test)
connect_msg(sp);
}
*/
return 1;
return 0;
}
/**************************************************************************/
@ -461,8 +468,7 @@ iperf_free_test(struct iperf_test * test)
/**
* iperf_stats_callback -- handles the statistic gathering for both the client and server
*
*returns void *
*
* XXX: This function needs to be updated to reflect the new code
*/
@ -508,7 +514,7 @@ iperf_stats_callback(struct iperf_test * test)
* iperf_reporter_callback -- handles the report printing
*
*returns report
*
* XXX: This function needs to be updated to reflect the new code
*/
void
@ -654,15 +660,13 @@ print_interval_results(struct iperf_test * test, struct iperf_stream * sp)
void
safe_strcat(char *s1, char *s2)
{
//printf(" adding string %s to end of string %s \n", s1, s1);
if (strlen(s1) + strlen(s2) < MAX_RESULT_STRING)
strcat(s1, s2);
else
{
printf("Error: results string too long \n");
exit(-1); /* XXX: should return an error instead! */
/* but code that calls this needs to check for error first */
//return -1;
if (strlen(s1) + strlen(s2) < MAX_RESULT_STRING) {
strcat(s1, s2);
} else {
printf("Error: results string too long \n");
exit(-1); /* XXX: should return an error instead! */
/* but code that calls this needs to check for error first */
//return -1;
}
}

11
src/iperf_api.h
View File

@ -5,8 +5,8 @@
approvals from the U.S. Dept. of Energy). All rights reserved.
*/
#ifndef IPERF_API_H
#define IPERF_API_H
#ifndef __IPERF_API_H
#define __IPERF_API_H
#include "iperf.h"
@ -88,11 +88,6 @@ struct iperf_test *iperf_new_test();
void iperf_defaults(struct iperf_test * testp);
/**
* iperf_init_test -- perform pretest initialization (listen on sockets, etc)
*
*/
void iperf_init_test(struct iperf_test * testp);
/**
* iperf_free_test -- free resources used by test, calls iperf_free_stream to
@ -140,5 +135,5 @@ int iperf_connect(struct iperf_test *);
int iperf_client_start(struct iperf_test *);
int iperf_client_end(struct iperf_test *);
#endif /* IPERF_API_H */
#endif

374
src/iperf_server_api.c
View File

@ -43,7 +43,7 @@
#include "uuid.h"
#include "locale.h"
void handle_message(struct iperf_test * test, int m, struct iperf_stream * sp);
void handle_message(struct iperf_test * test, int m, struct iperf_stream * sp);
/*********************************************************************/
/**
@ -116,139 +116,277 @@ send_result_to_client(struct iperf_stream * sp)
free(buf);
}
/**************************************************************************/
void
iperf_run_server(struct iperf_test * test)
int
iperf_server_listen(struct iperf_test *test)
{
struct timeval tv;
struct iperf_stream *np;
struct timer *stats_interval, *reporter_interval;
char *result_string = NULL;
int j = 0, result = 0, message = 0;
int nfd = 0;
char ubuf[UNIT_LEN];
int x;
//printf("in iperf_run_server \n");
/*
if (test->protocol == Pudp) {
test->listener_sock_udp = netannounce(Pudp, NULL, test->server_port);
if (test->listener_sock_udp < 0) {
// Needs to set some sort of error number/message
return -1;
}
}
test->listener_sock_tcp = netannounce(Ptcp, NULL, test->server_port);
if (test->listener_sock_tcp < 0) {
// Needs to set some sort of error number/message
return -1;
}
if (test->protocol == Ptcp) {
if (set_tcp_windowsize(test->listener_sock_tcp, test->default_settings->socket_bufsize, SO_RCVBUF) < 0) {
// Needs to set some sort of error number/message
perror("unable to set TCP window");
return -1;
}
}
// make sure that accept call does not block
setnonblocking(test->listener_sock_tcp);
setnonblocking(test->listener_sock_udp);
*/
if((test->listener = netannounce(Ptcp, NULL, test->server_port)) < 0) {
// Needs to set some sort of error number/message
return -1;
}
setnonblocking(test->listener);
printf("-----------------------------------------------------------\n");
printf("Server listening on %d\n", test->server_port);
// This needs to be changed to reflect if client has different window size
// make sure we got what we asked for
if ((x = get_tcp_windowsize(test->listener_sock_tcp, SO_RCVBUF)) < 0) {
// Needs to set some sort of error number/message
perror("SO_RCVBUF");
return -1;
}
// This code needs to be moved to after parameter exhange
if (test->protocol == Ptcp) {
if (test->default_settings->socket_bufsize > 0) {
unit_snprintf(ubuf, UNIT_LEN, (double) x, 'A');
printf("TCP window size: %s\n", ubuf);
} else {
printf("Using TCP Autotuning\n");
}
}
printf("-----------------------------------------------------------\n");
FD_ZERO(&test->read_set);
FD_ZERO(&test->temp_set);
if (test->protocol == Ptcp)
{
/* add listener to the master set */
FD_SET(test->listener_sock_tcp, &test->read_set);
test->max_fd = test->listener_sock_tcp;
} else
{
FD_SET(test->listener_sock_udp, &test->read_set);
test->max_fd = test->listener_sock_udp;
FD_SET(test->listener, &test->read_set);
test->max_fd = test->ctrl_sck;
return 0;
}
int
iperf_accept(struct iperf_test *test)
{
int s;
char ipl[512], ipr[512];
socklen_t len;
struct sockaddr_in addr;
if (test->ctrl_sck == 0) {
if ((s = accept(test->listener, (struct sockaddr *) &addr, &len)) < 0) {
perror("accept");
return -1;
}
inet_ntop(AF_INET, (void *) (&((struct sockaddr_in *) & addr.local_addr)->sin_addr),
(void *) ipl, sizeof(ipl));
inet_ntop(AF_INET, (void *) (&((struct sockaddr_in *) & addr.remote_addr)->sin_addr),
(void *) ipr, sizeof(ipr));
printf(report_peer, s,
ipl, ntohs(((struct sockaddr_in *) & addr.local_addr)->sin_port),
ipr, ntohs(((struct sockaddr_in *) & addr.remote_addr)->sin_port));
return s;
} else {
// This message needs to be sent to the client
printf("The server is busy running a test. Try again later.\n");
return 0;
}
}
/**************************************************************************/
int
iperf_handle_message(struct iperf_test *test)
{
if (read(test->ctrl_sck, &test->state, sizeof(int)) < 0) {
// indicate error on read
return -1;
}
//printf("iperf_run_server: max_fd set to %d \n", test->max_fd);
switch(test->state) {
case PARAM_EXCHANGE:
iperf_exchange_parameters(test);
break;
}
return 0;
}
void
iperf_run_server(struct iperf_test *test)
{
struct timeval tv;
//struct iperf_stream *np;
struct iperf_stream *sp;
struct timer *stats_interval, *reporter_interval;
char *result_string = NULL;
int j = 0, result = 0, message = 0;
int nfd = 0;
// Open socket and listen
if (iperf_server_listen(test) < 0) {
// This needs to be replaced by more formal error handling
fprintf(stderr, "An error occurred. Exiting.\n");
exit(1);
}
test->num_streams = 0;
test->default_settings->state = TEST_RUNNING;
printf("iperf_run_server: Waiting for client connect.... \n");
while (test->default_settings->state != TEST_END)
{
memcpy(&test->temp_set, &test->read_set, sizeof(test->read_set));
tv.tv_sec = 15;
tv.tv_usec = 0;
while (test->default_settings != TEST_END) {
/* using select to check on multiple descriptors. */
//printf("calling select.. sock = %d \n", test->max_fd + 1);
result = select(test->max_fd + 1, &test->temp_set, NULL, NULL, &tv);
if (result == 0)
{
//printf("SERVER IDLE : %d sec\n", (int) tv.tv_sec);
continue;
} else if (result < 0 && errno != EINTR)
{
printf("Error in select(): %s, socket = %d\n", strerror(errno), test->max_fd + 1);
exit(0);
} else if (result > 0)
{
if (test->protocol == Ptcp)
{
/* Accept a new TCP connection */
if (FD_ISSET(test->listener_sock_tcp, &test->temp_set))
{
test->protocol = Ptcp;
test->accept = iperf_tcp_accept;
if (test->accept < 0)
return;
test->new_stream = iperf_new_tcp_stream;
test->accept(test);
test->default_settings->state = TEST_RUNNING;
FD_CLR(test->listener_sock_tcp, &test->temp_set);
//printf("iperf_run_server: accepted TCP connection \n");
test->num_streams++;
}
} else
{
/* Accept a new UDP connection */
if (FD_ISSET(test->listener_sock_udp, &test->temp_set))
{
test->protocol = Pudp;
test->accept = iperf_udp_accept;
if (test->accept < 0)
return;
test->new_stream = iperf_new_udp_stream;
test->accept(test);
test->default_settings->state = TEST_RUNNING;
FD_CLR(test->listener_sock_udp, &test->temp_set);
printf("iperf_run_server: accepted UDP connection \n");
}
}
/* Process the sockets for read operation */
nfd = test->max_fd + 1;
for (j = 0; j <= test->max_fd; j++)
{
//printf("Checking socket %d \n", j);
if (FD_ISSET(j, &test->temp_set))
{
//printf("iperf_run_server: data ready on socket %d \n", j);
/* find the correct stream - possibly time consuming? */
np = find_stream_by_socket(test, j);
message = np->rcv(np); /* get data from client using
* receiver callback */
if (message < 0)
goto done;
handle_message(test, message, np);
if (message == TEST_END)
break; /* test done, so break out of loop */
// Copy select set and renew timers
FD_COPY(&test->read_set, &test->temp_set);
tv.tv_sec = 15;
tv.tv_usec = 0;
} /* end if (FD_ISSET(j, &temp_set)) */
} /* end for (j=0;...) */
result = select(test->max_fd + 1, &test->temp_set, NULL, NULL, &tv);
if (result < 0 && errno != EINTR) {
// Change the way this handles errors
perror("select");
exit(1);
} else if (result > 0) {
if (FD_ISSET(test->listener, &test->temp_set)) {
test->ctrl_sck = iperf_accept(test);
if (test->ctrl_sck < 0) {
fprintf(stderr, "error: could not open control socket. exiting.\n");
exit(1);
} else if (test->ctrl_sck > 0) {
// Accepted! exchange parameters / setup
if (message == PARAM_EXCHANGE)
{
/* start timer at end of PARAM_EXCHANGE */
if (test->stats_interval != 0)
stats_interval = new_timer(test->stats_interval, 0);
if (test->reporter_interval != 0)
reporter_interval = new_timer(test->reporter_interval, 0);
}
if ((message == STREAM_BEGIN) || (message == STREAM_RUNNING))
{
/*
* XXX: is this right? Might there be cases where we want
* stats for while in another state?
*/
if ((test->stats_interval != 0) && stats_interval->expired(stats_interval))
{
test->stats_callback(test);
update_timer(stats_interval, test->stats_interval, 0);
}
if ((test->reporter_interval != 0) && reporter_interval->expired(reporter_interval))
{
test->reporter_callback(test);
update_timer(reporter_interval, test->reporter_interval, 0);
}
}
} /* end else (result>0) */
} /* end while */
}
FD_CLR(test->listener, &test->temp_set);
}
if (FD_ISSET(test->ctrl_sck, &test->temp_set)) {
// Handle control messages
FD_CLR(test->ctrl_sck, &test->temp_set);
}
if (FD_ISSET(test->prot_listener, &test->temp_set)) {
// Spawn new streams
FD_CLR(test->ctrl_sck, &test->temp_set);
}
// Iterate through the streams to see if their socket FD_ISSET
for (sp = test->streams; sp != NULL; sp = sp->next) {
if (FD_ISSET(sp->socket, &test->temp_set)) {
}
}
}
}
/*
while (test->default_settings->state != TEST_END) {
memcpy(&test->temp_set, &test->read_set, sizeof(test->read_set));
tv.tv_sec = 15;
tv.tv_usec = 0;
// using select to check on multiple descriptors.
result = select(test->max_fd + 1, &test->temp_set, NULL, NULL, &tv);
if (result == 0) {
continue;
} else if (result < 0 && errno != EINTR) {
printf("Error in select(): %s, socket = %d\n", strerror(errno), test->max_fd + 1);
exit(0);
} else if (result > 0) {
if (test->protocol == Ptcp) {
// Accept a new TCP connection
if (FD_ISSET(test->ctrl_sck, &test->temp_set)) {
test->protocol = Ptcp;
// The following line needs to be moved to test initialization
test->accept = iperf_tcp_accept;
if (test->accept < 0) // .. really??!
return;
// Again, needs to be moved to test initialization
test->new_stream = iperf_new_tcp_stream;
test->accept(test);
test->default_settings->state = TEST_RUNNING;
FD_CLR(test->listener_sock_tcp, &test->temp_set);
//printf("iperf_run_server: accepted TCP connection \n");
test->num_streams++;
}
} else {
// Accept a new UDP connection
if (FD_ISSET(test->listener_sock_udp, &test->temp_set)) {
test->protocol = Pudp;
test->accept = iperf_udp_accept;
if (test->accept < 0)
return;
test->new_stream = iperf_new_udp_stream;
test->accept(test);
test->default_settings->state = TEST_RUNNING;
FD_CLR(test->listener_sock_udp, &test->temp_set);
printf("iperf_run_server: accepted UDP connection \n");
}
}
// Process the sockets for read operation
nfd = test->max_fd + 1;
for (j = 0; j <= test->max_fd; j++) {
if (FD_ISSET(j, &test->temp_set)) {
// find the correct stream - possibly time consuming?
np = find_stream_by_socket(test, j);
message = np->rcv(np); // get data from client using receiver callback
// This code needs to be fixed to work without goto
if (message < 0)
goto done;
handle_message(test, message, np);
if (message == TEST_END)
break;
}
}
if (message == PARAM_EXCHANGE) {
// start timer at end of PARAM_EXCHANGE
if (test->stats_interval != 0)
stats_interval = new_timer(test->stats_interval, 0);
if (test->reporter_interval != 0)
reporter_interval = new_timer(test->reporter_interval, 0);
}
if ((message == STREAM_BEGIN) || (message == STREAM_RUNNING)) {
//
// XXX: is this right? Might there be cases where we want
// stats for while in another state?
//
if ((test->stats_interval != 0) && stats_interval->expired(stats_interval)) {
test->stats_callback(test);
update_timer(stats_interval, test->stats_interval, 0);
}
if ((test->reporter_interval != 0) && reporter_interval->expired(reporter_interval)) {
test->reporter_callback(test);
update_timer(reporter_interval, test->reporter_interval, 0);
}
}
}
}
*/ // End of the WHILE
done:
printf("Test Complete. \n\n");

17
src/iperf_server_api.h
View File

@ -1,7 +1,16 @@
#ifndef __IPERF_SERVER_API_H
#define __IPERF_SERVER_API_H
int param_received(struct iperf_stream *sp, struct param_exchange * param);
void send_result_to_client(struct iperf_stream * sp);
void iperf_run_server(struct iperf_test * test);
struct iperf_stream *find_stream_by_socket(struct iperf_test * test, int sock);
#include "iperf.h"
int param_received(struct iperf_stream *, struct param_exchange *);
void send_result_to_client(struct iperf_stream *);
void iperf_run_server(struct iperf_test *);
struct iperf_stream *find_stream_by_socket(struct iperf_test *, int);
int iperf_server_listen(struct iperf_test *);
#endif

73
src/iperf_tcp.c
View File

@ -173,45 +173,43 @@ iperf_tcp_recv(struct iperf_stream * sp)
int
iperf_tcp_send(struct iperf_stream * sp)
{
int result;
int size = sp->settings->blksize;
int result;
int size = sp->settings->blksize;
if (!sp->buffer)
{
perror("transmit buffer not allocated");
return -1;
if (!sp->buffer) {
perror("transmit buffer not allocated");
return -1;
}
//printf("iperf_tcp_send: state = %d \n", sp->settings->state);
memcpy(sp->buffer, &(sp->settings->state), sizeof(int));;
/* set read size based on message type */
switch (sp->settings->state)
{
case PARAM_EXCHANGE:
size = sizeof(struct param_exchange);
break;
case STREAM_BEGIN:
size = sp->settings->blksize;
break;
case STREAM_END:
size = sizeof(struct param_exchange);
break;
case RESULT_REQUEST:
size = MAX_RESULT_STRING;
break;
case ALL_STREAMS_END:
size = sizeof(struct param_exchange);
break;
case TEST_END:
size = sizeof(struct param_exchange);
break;
case STREAM_RUNNING:
size = sp->settings->blksize;
break;
default:
printf("State of the stream can't be determined\n");
return -1;
switch (sp->settings->state) {
case PARAM_EXCHANGE:
size = sizeof(struct param_exchange);
break;
case STREAM_BEGIN:
size = sp->settings->blksize;
break;
case STREAM_END:
size = sizeof(struct param_exchange);
break;
case RESULT_REQUEST:
size = MAX_RESULT_STRING;
break;
case ALL_STREAMS_END:
size = sizeof(struct param_exchange);
break;
case TEST_END:
size = sizeof(struct param_exchange);
break;
case STREAM_RUNNING:
size = sp->settings->blksize;
break;
default:
printf("State of the stream can't be determined\n");
return -1;
}
//if(sp->settings->state != STREAM_RUNNING)
@ -223,20 +221,19 @@ iperf_tcp_send(struct iperf_stream * sp)
result = Nwrite(sp->socket, sp->buffer, size, Ptcp);
#endif
if (result < 0)
perror("Write error");
perror("Write error");
//printf(" iperf_tcp_send: %d bytes sent \n", result);
if (sp->settings->state == STREAM_BEGIN || sp->settings->state == STREAM_RUNNING)
{
sp->result->bytes_sent += result;
sp->result->bytes_sent_this_interval += result;
if (sp->settings->state == STREAM_BEGIN || sp->settings->state == STREAM_RUNNING) {
sp->result->bytes_sent += result;
sp->result->bytes_sent_this_interval += result;
}
//printf("iperf_tcp_send: number bytes sent so far = %u \n", (uint64_t) sp->result->bytes_sent);
/* change state after 1st send */
if (sp->settings->state == STREAM_BEGIN)
sp->settings->state = STREAM_RUNNING;
sp->settings->state = STREAM_RUNNING;
return result;
}

15
src/main.c
View File

@ -228,12 +228,10 @@ main(int argc, char **argv)
/* exit until this is done.... */
if (test->protocol == Pudp) {
printf("UDP mode not yet supported. Exiting. \n");
exit(0);
iperf_free_test(test);
return 0;
}
iperf_init_test(test);
//printf("in main: calling iperf_run \n");
iperf_run(test);
iperf_free_test(test);
@ -251,11 +249,12 @@ iperf_run(struct iperf_test * test)
switch (test->role) {
case 's':
while (1) {
// The following lines are commented out until I fix the bind issue with porting
// while (1) {
iperf_run_server(test);
test->streams = NULL;
sleep(1);
}
// test->streams = NULL;
// sleep(1);
// }
return 0;
case 'c':
return iperf_run_client(test);

72
src/net.c
View File

@ -21,40 +21,39 @@
int
netdial(int proto, char *client, int port)
{
int s;
int s;
struct hostent *hent;
struct sockaddr_in sa;
socklen_t sn;
/* XXX: This is not working for non-fully qualified host names
use getaddrinfo() instead?
*/
if ((hent = gethostbyname(client)) == 0)
{
perror("gethostbyname");
return (-1);
/* XXX: This is not working for non-fully qualified host names use getaddrinfo() instead? */
if ((hent = gethostbyname(client)) == 0) {
perror("gethostbyname");
return (-1);
}
s = socket(AF_INET, proto, 0);
if (s < 0)
{
perror("socket");
return (-1);
if (s < 0) {
perror("socket");
return (-1);
}
memset(&sa, 0, sizeof sa);
memmove(&sa.sin_addr, hent->h_addr, 4);
sa.sin_port = htons(port);
sa.sin_family = AF_INET;
if (connect(s, (struct sockaddr *) & sa, sizeof sa) < 0 && errno != EINPROGRESS)
{
perror("netdial: connect error");
return (-1);
if (connect(s, (struct sockaddr *) & sa, sizeof sa) < 0 && errno != EINPROGRESS) {
perror("netdial: connect error");
return (-1);
}
sn = sizeof sa;
if (getpeername(s, (struct sockaddr *) & sa, &sn) >= 0)
{
return (s);
if (getpeername(s, (struct sockaddr *) & sa, &sn) >= 0) {
return (s);
}
perror("getpeername error");
return (-1);
}
@ -64,33 +63,31 @@ netdial(int proto, char *client, int port)
int
netannounce(int proto, char *local, int port)
{
int s;
int s;
struct sockaddr_in sa;
/* XXX: implement binding to a local address rather than * */
//printf("in netannounce: port = %d \n", port);
memset((void *) &sa, 0, sizeof sa);
s = socket(AF_INET, proto, 0);
if (s < 0)
{
perror("socket");
return (-1);
if (s < 0) {
perror("socket");
return (-1);
}
int opt = 1;
int opt = 1;
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *) &opt, sizeof(opt));
sa.sin_port = htons(port);
sa.sin_family = AF_INET;
if (bind(s, (struct sockaddr *) & sa, sizeof(struct sockaddr_in)) < 0)
{
close(s);
perror("bind");
return (-1);
if (bind(s, (struct sockaddr *) & sa, sizeof(struct sockaddr_in)) < 0) {
close(s);
perror("bind");
return (-1);
}
if (proto == SOCK_STREAM)
listen(s, 5);
listen(s, 5);
return s;
}
@ -106,12 +103,11 @@ Nread(int fd, char *buf, int count, int prot)
struct sockaddr from;
socklen_t len = sizeof(from);
register int cnt;
if (prot == SOCK_DGRAM)
{
cnt = recvfrom(fd, buf, count, 0, &from, &len);
} else
{
cnt = mread(fd, buf, count);
if (prot == SOCK_DGRAM) {
cnt = recvfrom(fd, buf, count, 0, &from, &len);
} else {
cnt = mread(fd, buf, count);
}
return (cnt);
}