corrected recv error check condition in server, added Display() function for debug purpose
This commit is contained in:
kaustubhprabhu
parent
116e8bcbcf
commit
d1dc4db8c2
@ -26,18 +26,14 @@
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#include "tcp_window_size.h"
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enum {
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Mundef = 0,
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Mclient,
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Mserver,
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Ptcp = SOCK_STREAM,
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Pudp = SOCK_DGRAM,
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uS_TO_NS = 1000,
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MAX_BUFFER_SIZE =10,
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DEFAULT_UDP_BUFSIZE = 1470,
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DEFAULT_TCP_BUFSIZE = 8192
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DEFAULT_UDP_BUFSIZE = 1,
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DEFAULT_TCP_BUFSIZE = 1
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};
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#define SEC_TO_NS 1000000000 /* too big for enum on some platforms */
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@ -58,20 +54,49 @@ static struct option longopts[] =
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};
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void Display(struct iperf_test *test)
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{
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struct iperf_stream *n;
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n= test->streams;
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int count=1;
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printf("===============DISPLAY==================\n");
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while(1)
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{
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if(n)
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{
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if(test->role == 'c')
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printf("position-%d\tsp=%d\tsocket=%d\tbytes sent=%llu\n",count++, (int)n, n->socket, n->result->bytes_sent);
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else
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printf("position-%d\tsp=%d\tsocket=%d\tbytes received=%llu\n",count++, (int)n, n->socket, n->result->bytes_received);
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if(n->next==NULL)
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{
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printf("=================END====================\n");
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fflush(stdout);
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break;
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}
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n=n->next;
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}
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}
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}
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int iperf_tcp_recv(struct iperf_stream *sp)
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{
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int result;
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int size = ((struct iperf_settings *)(sp->settings))->socket_bufsize;
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int size = ((struct iperf_settings *)(sp->settings))->bufsize;
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char* buf = (char *)malloc(sizeof(size));
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if(!buf)
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{
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perror("malloc: unable to allocate receive buffer");
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}
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printf("the socket is %d", sp->socket);
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do{
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result = recv(sp->socket, buf, size, 0);
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result = recv(sp->socket, buf, size, 0);
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} while (result == -1 && errno == EINTR);
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sp->result->bytes_received+= result;
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@ -102,7 +127,7 @@ int iperf_udp_recv(struct iperf_stream *sp)
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int iperf_tcp_send(struct iperf_stream *sp)
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{
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int result,i;
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int size = ((struct iperf_settings *)(sp->settings))->socket_bufsize;
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int size = ((struct iperf_settings *)(sp->settings))->bufsize;
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char *buf = (char *) malloc(size);
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if(!buf)
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@ -113,7 +138,7 @@ int iperf_tcp_send(struct iperf_stream *sp)
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buf[i] = i % 37;
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result = send(sp->socket, buf, size , 0);
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sp->result->bytes_sent+= result;
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sp->result->bytes_sent+= size;
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return result;
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}
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@ -192,8 +217,6 @@ void iperf_init_test(struct iperf_test *test)
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if(test->role == 's')
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{
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printf("Into init\n");
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test->listener_sock = netannounce(test->protocol, NULL, ntohs(((struct sockaddr_in *)(test->local_addr))->sin_port));
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if( test->listener_sock < 0)
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exit(0);
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@ -226,9 +249,6 @@ void iperf_init_test(struct iperf_test *test)
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inet_ntop(AF_INET, &((struct sockaddr_in *)(test->remote_addr))->sin_addr, client, sizeof(client));
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port = ntohs(((struct sockaddr_in *)(test->remote_addr))->sin_port);
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puts(client);
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printf("port=%d\n", port);
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for(i = 0; i < test->num_streams; i++)
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{
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s = netdial(test->protocol, client, port);
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@ -303,6 +323,7 @@ struct iperf_stream *iperf_new_stream(struct iperf_test *testp)
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sp->socket = -1;
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sp->result->duration = testp->duration;
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sp->result->bytes_received = 0;
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sp->result->bytes_sent = 0;
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@ -347,7 +368,6 @@ struct iperf_stream * iperf_new_udp_stream(struct iperf_test *testp)
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return sp;
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}
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int iperf_udp_accept(struct iperf_test *test)
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{
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struct iperf_stream *sp;
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@ -385,6 +405,7 @@ int iperf_udp_accept(struct iperf_test *test)
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FD_SET(test->listener_sock, &(test->read_set));
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test->max_fd = (test->max_fd < s)?s:test->max_fd;
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printf(" in udp accept \n");
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return 0;
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}
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@ -455,13 +476,13 @@ void iperf_init_stream(struct iperf_stream *sp, struct iperf_test *testp)
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if(x < 0)
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perror("SO_RCVBUF");
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printf("RCV: %d\n", x);
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// printf("RCV: %d\n", x);
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x = getsock_tcp_windowsize(sp->socket, SO_SNDBUF);
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if(x < 0)
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perror("SO_SNDBUF");
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printf("SND: %d\n", x);
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// printf("SND: %d\n", x);
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}
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@ -582,7 +603,7 @@ void iperf_run_server(struct iperf_test *test)
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FD_CLR(test->listener_sock, &(test->temp_set));
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//Display();
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Display(test);
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}
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}
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@ -597,7 +618,7 @@ void iperf_run_server(struct iperf_test *test)
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{
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// find the correct stream
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n = update_stream(test,j,0);
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result = n->rcv(n);
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if(result == 0)
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@ -609,7 +630,7 @@ void iperf_run_server(struct iperf_test *test)
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free_stream(test, n);
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FD_CLR(j, &(test->read_set));
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}
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else
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else if(result < 0)
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{
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printf("Error in recv(): %s\n", strerror(errno));
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}
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@ -694,7 +715,7 @@ void iperf_run_client(struct iperf_test *test)
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}
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}
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//Display();
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Display(test);
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/* XXX: report */
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sp = test->streams;
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do {
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@ -806,7 +827,6 @@ main(int argc, char **argv)
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break;
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}
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printf(" calling iperf_init_test\n");
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iperf_init_test(test);
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iperf_run(test);
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