--- /dev/null
+Bottom: ae4df7b46b3d1c519383a31cb018c70f3e4e8201
+Top: a4b0430790ade98d23b1a462b910e19286b747b0
+Author: Sean Hefty <sean.hefty@intel.com>
+Date: 2012-12-06 23:23:39 -0800
+
+Refresh of udpong
+
+---
+
+diff --git a/examples/common.c b/examples/common.c
+index 3eeb1e9..43bfb6b 100644
+--- a/examples/common.c
++++ b/examples/common.c
+@@ -72,3 +72,94 @@ int get_rdma_addr(char *src, char *dst, char *port,
+
+ return ret;
+ }
++
++void size_str(char *str, size_t ssize, long long size)
++{
++ long long base, fraction = 0;
++ char mag;
++
++ if (size >= (1 << 30)) {
++ base = 1 << 30;
++ mag = 'g';
++ } else if (size >= (1 << 20)) {
++ base = 1 << 20;
++ mag = 'm';
++ } else if (size >= (1 << 10)) {
++ base = 1 << 10;
++ mag = 'k';
++ } else {
++ base = 1;
++ mag = '\0';
++ }
++
++ if (size / base < 10)
++ fraction = (size % base) * 10 / base;
++ if (fraction) {
++ snprintf(str, ssize, "%lld.%lld%c", size / base, fraction, mag);
++ } else {
++ snprintf(str, ssize, "%lld%c", size / base, mag);
++ }
++}
++
++void cnt_str(char *str, size_t ssize, long long cnt)
++{
++ if (cnt >= 1000000000)
++ snprintf(str, ssize, "%lldb", cnt / 1000000000);
++ else if (cnt >= 1000000)
++ snprintf(str, ssize, "%lldm", cnt / 1000000);
++ else if (cnt >= 1000)
++ snprintf(str, ssize, "%lldk", cnt / 1000);
++ else
++ snprintf(str, ssize, "%lld", cnt);
++}
++
++int size_to_count(int size)
++{
++ if (size >= 1000000)
++ return 100;
++ else if (size >= 100000)
++ return 1000;
++ else if (size >= 10000)
++ return 10000;
++ else if (size >= 1000)
++ return 100000;
++ else
++ return 1000000;
++}
++
++void format_buf(void *buf, int size)
++{
++ uint8_t *array = buf;
++ static uint8_t data;
++ int i;
++
++ for (i = 0; i < size; i++)
++ array[i] = data++;
++}
++
++int verify_buf(void *buf, int size)
++{
++ static long long total_bytes;
++ uint8_t *array = buf;
++ static uint8_t data;
++ int i;
++
++ for (i = 0; i < size; i++, total_bytes++) {
++ if (array[i] != data++) {
++ printf("data verification failed byte %lld\n", total_bytes);
++ return -1;
++ }
++ }
++ return 0;
++}
++
++int do_poll(struct pollfd *fds, int timeout)
++{
++ int ret;
++
++ do {
++ ret = rs_poll(fds, 1, timeout);
++ } while (!ret);
++
++ return ret == 1 ? 0 : ret;
++}
+diff --git a/examples/common.h b/examples/common.h
+index 8d9fea0..ef0ea7b 100644
+--- a/examples/common.h
++++ b/examples/common.h
+@@ -1,5 +1,5 @@
+ /*
+- * Copyright (c) 2005-2011 Intel Corporation. All rights reserved.
++ * Copyright (c) 2005-2012 Intel Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+@@ -46,5 +46,18 @@ static inline uint64_t cpu_to_be64(uint64_t x) { return bswap_64(x); }
+ static inline uint32_t cpu_to_be32(uint32_t x) { return bswap_32(x); }
+ #endif
+
++union socket_addr {
++ struct sockaddr sa;
++ struct sockaddr_in sin;
++ struct sockaddr_in6 sin6;
++};
++
+ int get_rdma_addr(char *src, char *dst, char *port,
+ struct rdma_addrinfo *hints, struct rdma_addrinfo **rai);
++
++void size_str(char *str, size_t ssize, long long size);
++void cnt_str(char *str, size_t ssize, long long cnt);
++int size_to_count(int size);
++void format_buf(void *buf, int size);
++int verify_buf(void *buf, int size);
++int do_poll(struct pollfd *fds, int timeout);
+diff --git a/examples/riostream.c b/examples/riostream.c
+index dfb03e5..d73a43f 100644
+--- a/examples/riostream.c
++++ b/examples/riostream.c
+@@ -98,46 +98,6 @@ static struct timeval start, end;
+ static void *buf;
+ static volatile uint8_t *poll_byte;
+
+-static void size_str(char *str, size_t ssize, long long size)
+-{
+- long long base, fraction = 0;
+- char mag;
+-
+- if (size >= (1 << 30)) {
+- base = 1 << 30;
+- mag = 'g';
+- } else if (size >= (1 << 20)) {
+- base = 1 << 20;
+- mag = 'm';
+- } else if (size >= (1 << 10)) {
+- base = 1 << 10;
+- mag = 'k';
+- } else {
+- base = 1;
+- mag = '\0';
+- }
+-
+- if (size / base < 10)
+- fraction = (size % base) * 10 / base;
+- if (fraction) {
+- snprintf(str, ssize, "%lld.%lld%c", size / base, fraction, mag);
+- } else {
+- snprintf(str, ssize, "%lld%c", size / base, mag);
+- }
+-}
+-
+-static void cnt_str(char *str, size_t ssize, long long cnt)
+-{
+- if (cnt >= 1000000000)
+- snprintf(str, ssize, "%lldb", cnt / 1000000000);
+- else if (cnt >= 1000000)
+- snprintf(str, ssize, "%lldm", cnt / 1000000);
+- else if (cnt >= 1000)
+- snprintf(str, ssize, "%lldk", cnt / 1000);
+- else
+- snprintf(str, ssize, "%lld", cnt);
+-}
+-
+ static void show_perf(void)
+ {
+ char str[32];
+@@ -162,20 +122,6 @@ static void show_perf(void)
+ (usec / iterations) / (transfer_count * 2));
+ }
+
+-static int size_to_count(int size)
+-{
+- if (size >= 1000000)
+- return 100;
+- else if (size >= 100000)
+- return 1000;
+- else if (size >= 10000)
+- return 10000;
+- else if (size >= 1000)
+- return 100000;
+- else
+- return 1000000;
+-}
+-
+ static void init_latency_test(int size)
+ {
+ char sstr[5];
+@@ -198,43 +144,6 @@ static void init_bandwidth_test(int size)
+ transfer_count = size_to_count(transfer_size);
+ }
+
+-static void format_buf(void *buf, int size)
+-{
+- uint8_t *array = buf;
+- static uint8_t data;
+- int i;
+-
+- for (i = 0; i < size; i++)
+- array[i] = data++;
+-}
+-
+-static int verify_buf(void *buf, int size)
+-{
+- static long long total_bytes;
+- uint8_t *array = buf;
+- static uint8_t data;
+- int i;
+-
+- for (i = 0; i < size; i++, total_bytes++) {
+- if (array[i] != data++) {
+- printf("data verification failed byte %lld\n", total_bytes);
+- return -1;
+- }
+- }
+- return 0;
+-}
+-
+-static int do_poll(struct pollfd *fds)
+-{
+- int ret;
+-
+- do {
+- ret = rpoll(fds, 1, poll_timeout);
+- } while (!ret);
+-
+- return ret == 1 ? 0 : ret;
+-}
+-
+ static int send_msg(int size)
+ {
+ struct pollfd fds;
+@@ -250,7 +159,7 @@ static int send_msg(int size)
+
+ for (offset = 0; offset < size; ) {
+ if (use_async) {
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret)
+ return ret;
+ }
+@@ -282,7 +191,7 @@ static int send_xfer(int size)
+
+ for (offset = 0; offset < size; ) {
+ if (use_async) {
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret)
+ return ret;
+ }
+@@ -311,7 +220,7 @@ static int recv_msg(int size)
+
+ for (offset = 0; offset < size; ) {
+ if (use_async) {
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret)
+ return ret;
+ }
+@@ -455,7 +364,7 @@ static int server_listen(void)
+ int val, ret;
+
+ memset(&hints, 0, sizeof hints);
+- hints.ai_flags = RAI_PASSIVE;
++ hints.ai_flags = AI_PASSIVE;
+ ret = getaddrinfo(src_addr, port, &hints, &res);
+ if (ret) {
+ perror("getaddrinfo");
+@@ -505,7 +414,7 @@ static int server_connect(void)
+ fds.fd = lrs;
+ fds.events = POLLIN;
+
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret) {
+ perror("rpoll");
+ return ret;
+@@ -555,7 +464,7 @@ static int client_connect(void)
+ if (ret && (errno == EINPROGRESS)) {
+ fds.fd = rs;
+ fds.events = POLLOUT;
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret)
+ goto close;
+
+diff --git a/examples/rstream.c b/examples/rstream.c
+index 069b7c9..ae3b8ad 100644
+--- a/examples/rstream.c
++++ b/examples/rstream.c
+@@ -116,46 +116,6 @@ static void *buf;
+ #define rs_getsockopt(s,l,n,v,ol) \
+ use_rs ? rgetsockopt(s,l,n,v,ol) : getsockopt(s,l,n,v,ol)
+
+-static void size_str(char *str, size_t ssize, long long size)
+-{
+- long long base, fraction = 0;
+- char mag;
+-
+- if (size >= (1 << 30)) {
+- base = 1 << 30;
+- mag = 'g';
+- } else if (size >= (1 << 20)) {
+- base = 1 << 20;
+- mag = 'm';
+- } else if (size >= (1 << 10)) {
+- base = 1 << 10;
+- mag = 'k';
+- } else {
+- base = 1;
+- mag = '\0';
+- }
+-
+- if (size / base < 10)
+- fraction = (size % base) * 10 / base;
+- if (fraction) {
+- snprintf(str, ssize, "%lld.%lld%c", size / base, fraction, mag);
+- } else {
+- snprintf(str, ssize, "%lld%c", size / base, mag);
+- }
+-}
+-
+-static void cnt_str(char *str, size_t ssize, long long cnt)
+-{
+- if (cnt >= 1000000000)
+- snprintf(str, ssize, "%lldb", cnt / 1000000000);
+- else if (cnt >= 1000000)
+- snprintf(str, ssize, "%lldm", cnt / 1000000);
+- else if (cnt >= 1000)
+- snprintf(str, ssize, "%lldk", cnt / 1000);
+- else
+- snprintf(str, ssize, "%lld", cnt);
+-}
+-
+ static void show_perf(void)
+ {
+ char str[32];
+@@ -180,20 +140,6 @@ static void show_perf(void)
+ (usec / iterations) / (transfer_count * 2));
+ }
+
+-static int size_to_count(int size)
+-{
+- if (size >= 1000000)
+- return 100;
+- else if (size >= 100000)
+- return 1000;
+- else if (size >= 10000)
+- return 10000;
+- else if (size >= 1000)
+- return 100000;
+- else
+- return 1000000;
+-}
+-
+ static void init_latency_test(int size)
+ {
+ char sstr[5];
+@@ -216,43 +162,6 @@ static void init_bandwidth_test(int size)
+ transfer_count = size_to_count(transfer_size);
+ }
+
+-static void format_buf(void *buf, int size)
+-{
+- uint8_t *array = buf;
+- static uint8_t data;
+- int i;
+-
+- for (i = 0; i < size; i++)
+- array[i] = data++;
+-}
+-
+-static int verify_buf(void *buf, int size)
+-{
+- static long long total_bytes;
+- uint8_t *array = buf;
+- static uint8_t data;
+- int i;
+-
+- for (i = 0; i < size; i++, total_bytes++) {
+- if (array[i] != data++) {
+- printf("data verification failed byte %lld\n", total_bytes);
+- return -1;
+- }
+- }
+- return 0;
+-}
+-
+-static int do_poll(struct pollfd *fds)
+-{
+- int ret;
+-
+- do {
+- ret = rs_poll(fds, 1, poll_timeout);
+- } while (!ret);
+-
+- return ret == 1 ? 0 : ret;
+-}
+-
+ static int send_xfer(int size)
+ {
+ struct pollfd fds;
+@@ -268,7 +177,7 @@ static int send_xfer(int size)
+
+ for (offset = 0; offset < size; ) {
+ if (use_async) {
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret)
+ return ret;
+ }
+@@ -297,7 +206,7 @@ static int recv_xfer(int size)
+
+ for (offset = 0; offset < size; ) {
+ if (use_async) {
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret)
+ return ret;
+ }
+@@ -402,7 +311,7 @@ static int server_listen(void)
+ int val, ret;
+
+ memset(&hints, 0, sizeof hints);
+- hints.ai_flags = RAI_PASSIVE;
++ hints.ai_flags = AI_PASSIVE;
+ ret = getaddrinfo(src_addr, port, &hints, &res);
+ if (ret) {
+ perror("getaddrinfo");
+@@ -452,7 +361,7 @@ static int server_connect(void)
+ fds.fd = lrs;
+ fds.events = POLLIN;
+
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret) {
+ perror("rpoll");
+ return ret;
+@@ -505,7 +414,7 @@ static int client_connect(void)
+ if (ret && (errno == EINPROGRESS)) {
+ fds.fd = rs;
+ fds.events = POLLOUT;
+- ret = do_poll(&fds);
++ ret = do_poll(&fds, poll_timeout);
+ if (ret)
+ goto close;
+
+diff --git a/examples/udpong.c b/examples/udpong.c
+new file mode 100644
+index 0000000..d29e584
+--- /dev/null
++++ b/examples/udpong.c
+@@ -0,0 +1,565 @@
++/*
++ * Copyright (c) 2012 Intel Corporation. All rights reserved.
++ *
++ * This software is available to you under the OpenIB.org BSD license
++ * below:
++ *
++ * Redistribution and use in source and binary forms, with or
++ * without modification, are permitted provided that the following
++ * conditions are met:
++ *
++ * - Redistributions of source code must retain the above
++ * copyright notice, this list of conditions and the following
++ * disclaimer.
++ *
++ * - Redistributions in binary form must reproduce the above
++ * copyright notice, this list of conditions and the following
++ * disclaimer in the documentation and/or other materials
++ * provided with the distribution.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AWV
++ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
++ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
++ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
++ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
++ * SOFTWARE.
++ */
++
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <strings.h>
++#include <errno.h>
++#include <getopt.h>
++#include <sys/types.h>
++#include <sys/socket.h>
++#include <sys/time.h>
++#include <sys/wait.h>
++#include <netdb.h>
++#include <fcntl.h>
++#include <unistd.h>
++#include <netinet/in.h>
++#include <netinet/tcp.h>
++
++#include <rdma/rdma_cma.h>
++#include <rdma/rsocket.h>
++
++static int test_size[] = {
++ { 1 << 6 },
++ { 1 << 7 }, { (1 << 7) + (1 << 6) },
++ { 1 << 8 }, { (1 << 8) + (1 << 7) },
++ { 1 << 9 }, { (1 << 9) + (1 << 8) },
++ { 1 << 10 }, { (1 << 10) + (1 << 9) },
++};
++#define TEST_CNT (sizeof test_size / sizeof test_size[0])
++
++enum {
++ msg_op_start,
++ msg_op_data,
++ msg_op_echo,
++ msg_op_end
++};
++
++struct message {
++ uint8_t op;
++ uint8_t id;
++ uint16_t reserved;
++ uint32_t data;
++ uint8_t buf[2048];
++};
++
++#define CTRL_MSG_SIZE 16
++
++struct client {
++ uint64_t recvcnt;
++};
++
++static struct client clients[256];
++static int id;
++
++static int rs;
++static int use_rs = 1;
++static int use_async;
++static int flags = MSG_DONTWAIT;
++static int poll_timeout;
++static int custom;
++static int echo;
++static int transfer_size = 1000;
++static int transfer_count = 1000;
++static int buffer_size;
++static char test_name[10] = "custom";
++static char *port = "7174";
++static char *dst_addr;
++static char *src_addr;
++static union socket_addr addr;
++static socklen_t addrlen;
++static struct timeval start, end;
++static struct message msg;
++
++#define rs_socket(f,t,p) use_rs ? rsocket(f,t,p) : socket(f,t,p)
++#define rs_bind(s,a,l) use_rs ? rbind(s,a,l) : bind(s,a,l)
++#define rs_connect(s,a,l) use_rs ? rconnect(s,a,l) : connect(s,a,l)
++#define rs_close(s) use_rs ? rclose(s) : close(s)
++#define rs_recvfrom(s,b,l,f,a,al) \
++ use_rs ? rrecvfrom(s,b,l,f,a,al) : recvfrom(s,b,l,f,a,al)
++#define rs_sendto(s,b,l,f,a,al) \
++ use_rs ? rsendto(s,b,l,f,a,al) : sendto(s,b,l,fa,al)
++#define rs_poll(f,n,t) use_rs ? rpoll(f,n,t) : poll(f,n,t)
++#define rs_fcntl(s,c,p) use_rs ? rfcntl(s,c,p) : fcntl(s,c,p)
++#define rs_setsockopt(s,l,n,v,ol) \
++ use_rs ? rsetsockopt(s,l,n,v,ol) : setsockopt(s,l,n,v,ol)
++#define rs_getsockopt(s,l,n,v,ol) \
++ use_rs ? rgetsockopt(s,l,n,v,ol) : getsockopt(s,l,n,v,ol)
++
++static void show_perf(void)
++{
++ char str[32];
++ float usec;
++ long long bytes;
++ int transfers;
++
++ usec = (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec);
++ if (echo) {
++ transfers = transfer_count;
++ bytes = (long long) transfer_count * transfer_size * 2;
++ } else {
++ transfers = ntohl(msg.data);
++ bytes = (long long) transfers * transfer_size;
++ }
++
++ /* name size transfers bytes seconds Gb/sec usec/xfer */
++ printf("%-10s", test_name);
++ size_str(str, sizeof str, transfer_size);
++ printf("%-8s", str);
++ cnt_str(str, sizeof str, transfers);
++ printf("%-8s", str);
++ size_str(str, sizeof str, bytes);
++ printf("%-8s", str);
++ printf("%8.2fs%10.2f%11.2f\n",
++ usec / 1000000., (bytes * 8) / (1000. * usec),
++ (usec / iterations) / (transfers * 2));
++}
++
++static void init_latency_test(int size)
++{
++ char sstr[5];
++
++ size_str(sstr, sizeof sstr, size);
++ snprintf(test_name, sizeof test_name, "%s_lat", sstr);
++ transfer_size = size;
++ transfer_count = size_to_count(transfer_size) / 10;
++ echo = 1;
++}
++
++static void init_bandwidth_test(int size)
++{
++ char sstr[5];
++
++ size_str(sstr, sizeof sstr, size);
++ snprintf(test_name, sizeof test_name, "%s_bw", sstr);
++ transfer_size = size;
++ transfer_count = size_to_count(transfer_size);
++ echo = 0;
++}
++
++static void set_options(int rs)
++{
++ int val;
++
++ if (buffer_size) {
++ rs_setsockopt(rs, SOL_SOCKET, SO_SNDBUF, (void *) &buffer_size,
++ sizeof buffer_size);
++ rs_setsockopt(rs, SOL_SOCKET, SO_RCVBUF, (void *) &buffer_size,
++ sizeof buffer_size);
++ } else {
++ val = 1 << 19;
++ rs_setsockopt(rs, SOL_SOCKET, SO_SNDBUF, (void *) &val, sizeof val);
++ rs_setsockopt(rs, SOL_SOCKET, SO_RCVBUF, (void *) &val, sizeof val);
++ }
++
++ if (flags & MSG_DONTWAIT)
++ rs_fcntl(rs, F_SETFL, O_NONBLOCK);
++}
++
++static ssize_t svr_send(struct message *msg, size_t size,
++ union socket_addr *addr, socklen_t addrlen)
++{
++ struct pollfd fds;
++ ssize_t ret;
++
++ if (use_async) {
++ fds.fd = rs;
++ fds.events = POLLOUT;
++ }
++
++ do {
++ if (use_async) {
++ ret = do_poll(&fds, poll_timeout);
++ if (ret)
++ return ret;
++ }
++
++ ret = rs_sendto(rs, msg, size, flags, &addr->sa, addrlen);
++ } while (ret < 0 && (errno == EWOULDBLOCK || errno == EAGAIN));
++
++ if (ret < 0)
++ perror("rsend");
++
++ return ret;
++}
++
++static ssize_t svr_recv(struct message *msg, size_t size,
++ union socket_addr *addr, socklen_t *addrlen)
++{
++ struct pollfd fds;
++ ssize_t ret;
++
++ if (use_async) {
++ fds.fd = rs;
++ fds.events = POLLIN;
++ }
++
++ do {
++ if (use_async) {
++ ret = do_poll(fds, poll_timeout);
++ if (ret)
++ return ret;
++ }
++
++ ret = rs_recvfrom(rs, msg, size, flags, &addr->sa, addrlen);
++ } while (ret < 0 && (errno == EWOULDBLOCK || errno == EAGAIN));
++
++ if (ret < 0)
++ perror("rrecv");
++
++ return ret;
++}
++
++static int svr_process(struct message *msg, size_t size,
++ union socket_addr *addr, socklen_t addrlen)
++{
++ ssize_t ret;
++
++ switch (msg->op) {
++ case msg_op_start:
++ memset(&clients[id], 0, sizeof clients[id]);
++ msg.id = id++;
++ break;
++ case msg_op_echo:
++ clients[msg->id].recvcnt++;
++ break;
++ case msg_op_end:
++ msg->data = htonl(clients[msg->id].recvcnt);
++ break;
++ default:
++ clients[msg->id].recvcnt++;
++ return 0;
++ }
++
++ ret = svr_send(msg, size, addr, addrlen);
++ return (ret == size) ? 0 : (int) ret;
++}
++
++static int svr_bind(void)
++{
++ struct addrinfo hints, *res;
++ int ret;
++
++ memset(&hints, 0, sizeof hints);
++ hints.ai_socktype = SOCK_DGRAM;
++ ret = getaddrinfo(src_addr, port, &hints, &res);
++ if (ret) {
++ perror("getaddrinfo");
++ return ret;
++ }
++
++ rs = rs_socket(res->ai_family, res->ai_socktype, res->ai_protocol);
++ if (rs < 0) {
++ perror("rsocket");
++ ret = rs;
++ goto out;
++ }
++
++ set_options(rs);
++ ret = rs_bind(rs, res->ai_addr, res->ai_addrlen);
++ if (ret) {
++ perror("rbind");
++ rs_close(rs);
++ }
++
++out:
++ free(res);
++ return ret;
++}
++
++static int svr_run(void)
++{
++ size_t len;
++ int ret;
++
++ ret = svr_bind();
++ while (!ret) {
++ addrlen = sizeof addr;
++ len = svr_recv(&msg, sizeof msg, &addr, &addrlen);
++ if (len < 0)
++ return len;
++
++ ret = svr_process(&msg, len, &addr, addrlen);
++ }
++ return ret;
++}
++
++static ssize_t client_send(struct message *msg, size_t size)
++{
++ struct pollfd fds;
++ int ret;
++
++ if (use_async) {
++ fds.fd = rs;
++ fds.events = POLLOUT;
++ }
++
++ do {
++ if (use_async) {
++ ret = do_poll(&fds, poll_timeout);
++ if (ret)
++ return ret;
++ }
++
++ ret = rs_send(rs, msg, size, flags);
++ } while (ret < 0 && (errno == EWOULDBLOCK || errno == EAGAIN));
++
++ if (ret < 0)
++ perror("rsend");
++
++ return ret;
++}
++
++static ssize_t client_recv(struct message *msg, size_t size, int timeout)
++{
++ struct pollfd fds;
++ int ret;
++
++ if (timeout) {
++ fds.fd = rs;
++ fds.events = POLLIN;
++
++ ret = rs_poll(fds, 1, timeout);
++ if (ret <= 0)
++ return ret;
++ }
++
++ ret = rs_recv(rs, msg, size, flags);
++ if (ret < 0 && (errno == EWOULDBLOCK || errno == EAGAIN))
++ perror("rrecv");
++
++ return ret;
++}
++
++static int client_send_recv(struct message *msg, size_t size)
++{
++ int ret;
++
++ do {
++ ret = client_send(msg, size);
++ if (ret != size)
++ return ret;
++
++ ret = client_recv(msg, size, 1);
++ } while (ret <= 0);
++
++ return ret;
++}
++
++static int run_test(void)
++{
++ int ret, i, t;
++
++ msg.op = msg_op_start;
++ ret = client_send_recv(&msg, CTRL_MSG_SIZE);
++ if (ret != CTRL_MSG_SIZE)
++ goto out;
++
++ msg.op = echo ? htonl(msg_op_echo) : htonl(msg_op_data);
++ gettimeofday(&start, NULL);
++ for (i = 0; i < transfer_count; i++) {
++ ret = echo ? client_send_recv(&msg, transfer_size) :
++ client_send(&msg, transfer_size);
++ if (ret != transfer_size)
++ goto out;
++ }
++
++ msg.op = msg_op_end;
++ ret = client_send_recv(&msg, CTRL_MSG_SIZE);
++ if (ret != CTRL_MSG_SIZE)
++ goto out;
++
++ gettimeofday(&end, NULL);
++ show_perf();
++ ret = 0;
++
++out:
++ return ret;
++}
++
++static int client_connect(void)
++{
++ struct addrinfo hints, *res;
++ int ret;
++
++ memset(&hints, 0, sizeof hints);
++ hints.ai_socktype = SOCK_DGRAM;
++ ret = getaddrinfo(dst_addr, port, hints, &res);
++ if (ret) {
++ perror("getaddrinfo");
++ return ret;
++ }
++
++ rs = rs_socket(res->ai_family, res->ai_socktype, res->ai_protocol);
++ if (rs < 0) {
++ perror("rsocket");
++ ret = rs;
++ goto out;
++ }
++
++ set_options(rs);
++ ret = rs_connect(rs, res->ai_addr, res->ai_addrlen);
++ if (ret) {
++ perror("rconnect");
++ rs_close(rs);
++ }
++
++out:
++ freeaddrinfo(res);
++ return ret;
++}
++
++static int client_run(void)
++{
++ int i, ret;
++
++ printf("%-10s%-8s%-8s%-8s%8s %10s%13s\n",
++ "name", "bytes", "xfers", "total", "time", "Gb/sec", "usec/xfer");
++
++ ret = client_connect();
++ if (ret)
++ return ret;
++
++ if (!custom) {
++ for (i = 0; i < TEST_CNT; i++) {
++ init_latency_test(test_size[i]);
++ run_test();
++ }
++ for (i = 0; i < TEST_CNT; i++) {
++ init_bandwidth_test(test_size[i]);
++ run_test();
++ }
++ } else {
++ run_test();
++ }
++ rs_close(rs);
++
++ return ret;
++}
++
++static int set_test_opt(char *optarg)
++{
++ if (strlen(optarg) == 1) {
++ switch (optarg[0]) {
++ case 's':
++ use_rs = 0;
++ break;
++ case 'a':
++ use_async = 1;
++ break;
++ case 'b':
++ flags = 0;
++ break;
++ case 'n':
++ flags = MSG_DONTWAIT;
++ break;
++ case 'e':
++ echo = 1;
++ break;
++ default:
++ return -1;
++ }
++ } else {
++ if (!strncasecmp("socket", optarg, 6)) {
++ use_rs = 0;
++ } else if (!strncasecmp("async", optarg, 5)) {
++ use_async = 1;
++ } else if (!strncasecmp("block", optarg, 5)) {
++ flags = 0;
++ } else if (!strncasecmp("nonblock", optarg, 8)) {
++ flags = MSG_DONTWAIT;
++ } else if (!strncasecmp("echo", optarg, 4)) {
++ echo = 1;
++ } else {
++ return -1;
++ }
++ }
++ return 0;
++}
++
++int main(int argc, char **argv)
++{
++ int op, ret;
++
++ while ((op = getopt(argc, argv, "s:b:B:C:S:p:T:")) != -1) {
++ switch (op) {
++ case 's':
++ dst_addr = optarg;
++ break;
++ case 'b':
++ src_addr = optarg;
++ break;
++ case 'B':
++ buffer_size = atoi(optarg);
++ break;
++ case 'C':
++ custom = 1;
++ transfer_count = atoi(optarg);
++ break;
++ case 'S':
++ custom = 1;
++ transfer_size = atoi(optarg);
++ if (transfer_size < CTRL_MSG_SIZE) {
++ printf("size must be at least %d bytes\n",
++ CTRL_MSG_SIZE);
++ exit(1);
++ }
++ break;
++ case 'p':
++ port = optarg;
++ break;
++ case 'T':
++ if (!set_test_opt(optarg))
++ break;
++ /* invalid option - fall through */
++ default:
++ printf("usage: %s\n", argv[0]);
++ printf("\t[-s server_address]\n");
++ printf("\t[-b bind_address]\n");
++ printf("\t[-B buffer_size]\n");
++ printf("\t[-C transfer_count]\n");
++ printf("\t[-S transfer_size]\n");
++ printf("\t[-p port_number]\n");
++ printf("\t[-T test_option]\n");
++ printf("\t s|sockets - use standard tcp/ip sockets\n");
++ printf("\t a|async - asynchronous operation (use poll)\n");
++ printf("\t b|blocking - use blocking calls\n");
++ printf("\t n|nonblocking - use nonblocking calls\n");
++ printf("\t e|echo - server echoes all messages\n");
++ exit(1);
++ }
++ }
++
++ if (flags)
++ poll_timeout = -1;
++
++ ret = dst_addr ? client_run() : svr_run();
++ return ret;
++}
projects / ~shefty / librdmacm.git / commitdiff