1 files changed, 120 insertions, 0 deletions
diff --git a/perf/remote_lat.cpp b/perf/remote_lat.cpp
new file mode 100644
index 0000000..a065910
--- /dev/null
+++ b/perf/remote_lat.cpp
@@ -0,0 +1,120 @@
+/*
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "../include/zmq.h"
+#include "../include/zmq_utils.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main (int argc, char *argv [])
+{
+    const char *connect_to;
+    int roundtrip_count;
+    size_t message_size;
+    void *ctx;
+    void *s;
+    int rc;
+    int i;
+    zmq_msg_t msg;
+    void *watch;
+    unsigned long elapsed;
+    double latency;
+
+    if (argc != 4) {
+        printf ("usage: remote_lat <connect-to> <message-size> "
+            "<roundtrip-count>\n");
+        return 1;
+    }
+    connect_to = argv [1];
+    message_size = atoi (argv [2]);
+    roundtrip_count = atoi (argv [3]);
+
+    ctx = zmq_init (1);
+    if (!ctx) {
+        printf ("error in zmq_init: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    s = zmq_socket (ctx, ZMQ_REQ);
+    if (!s) {
+        printf ("error in zmq_socket: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = zmq_connect (s, connect_to);
+    if (rc != 0) {
+        printf ("error in zmq_connect: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = zmq_msg_init_size (&msg, message_size);
+    if (rc != 0) {
+        printf ("error in zmq_msg_init_size: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+    memset (zmq_msg_data (&msg), 0, message_size);
+
+    watch = zmq_stopwatch_start ();
+
+    for (i = 0; i != roundtrip_count; i++) {
+        rc = zmq_sendmsg (s, &msg, 0);
+        if (rc < 0) {
+            printf ("error in zmq_sendmsg: %s\n", zmq_strerror (errno));
+            return -1;
+        }
+        rc = zmq_recvmsg (s, &msg, 0);
+        if (rc < 0) {
+            printf ("error in zmq_recvmsg: %s\n", zmq_strerror (errno));
+            return -1;
+        }
+        if (zmq_msg_size (&msg) != message_size) {
+            printf ("message of incorrect size received\n");
+            return -1;
+        }
+    }
+
+    elapsed = zmq_stopwatch_stop (watch);
+
+    rc = zmq_msg_close (&msg);
+    if (rc != 0) {
+        printf ("error in zmq_msg_close: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    latency = (double) elapsed / (roundtrip_count * 2);
+
+    printf ("message size: %d [B]\n", (int) message_size);
+    printf ("roundtrip count: %d\n", (int) roundtrip_count);
+    printf ("average latency: %.3f [us]\n", (double) latency);
+
+    rc = zmq_close (s);
+    if (rc != 0) {
+        printf ("error in zmq_close: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    rc = zmq_term (ctx);
+    if (rc != 0) {
+        printf ("error in zmq_term: %s\n", zmq_strerror (errno));
+        return -1;
+    }
+
+    return 0;
+}