build: Allow out-of-tree build of tools

This removes the dependencies for the tools on some ouroboros internal
headers (endian.h and time_utils.h) so they can be built out-of-tree.
The echo-app tool has been renamed oecho and the cbr tool has been
renamed ocbr.

Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>

1 files changed, 159 insertions, 0 deletions

diff --git a/src/tools/ocbr/ocbr.c b/src/tools/ocbr/ocbr.c
new file mode 100644
index 00000000..2c22cc3c
--- /dev/null
+++ b/src/tools/ocbr/ocbr.c
@@ -0,0 +1,159 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2018
+ *
+ * CBR traffic generator
+ *
+ *    Dimitri Staessens <dimitri.staessens@ugent.be>
+ *    Sander Vrijders   <sander.vrijders@ugent.be>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define _POSIX_C_SOURCE 199506L
+#define __XSI_VISIBLE 500
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+#include <limits.h>
+#include <time.h>
+#include <stdbool.h>
+
+#define BUF_SIZE 1500
+
+#include "ocbr_client.c"
+
+struct s {
+        long interval;
+        long timeout;
+} server_settings;
+
+#include "ocbr_server.c"
+
+static void usage(void)
+{
+        printf("Usage: cbr [OPTION]...\n"
+               "Sends SDUs from client to server at a constant bit rate.\n\n"
+               "  -l, --listen              Run in server mode\n"
+               "\n"
+               "Server options:\n"
+               "  -i, --interval            Server report interval (s)\n"
+               "  -t, --timeout             Server timeout interval (s)\n"
+               "\n"
+               "Client options:\n"
+               "  -n, --server_apn          Specify the name of the server.\n"
+               "  -d, --duration            Duration for sending (s)\n"
+               "  -f, --flood               Send SDUs as fast as possible\n"
+               "  -s, --size                SDU size (B)\n"
+               "  -r, --rate                Rate (b/s)\n"
+               "      --sleep               Sleep in between sending SDUs\n"
+               "\n\n"
+               "      --help                Display this help text and exit\n");
+}
+
+int main(int argc, char ** argv)
+{
+        int    duration = 60;  /* One minute test */
+        int    size = 1000;    /* 1000 byte SDUs */
+        long   rate = 1000000; /* 1 Mb/s */
+        bool   flood = false;
+        bool   sleep = false;
+        int    ret = 0;
+        char * rem = NULL;
+        char * s_apn = NULL;
+
+        bool server = false;
+
+        server_settings.interval = 1; /* One second reporting interval */
+        server_settings.timeout  = 1;
+
+        argc--;
+        argv++;
+        while (argc > 0) {
+                if (strcmp(*argv, "-i") == 0 ||
+                    strcmp(*argv, "--interval") == 0) {
+                        server_settings.interval = strtol(*(++argv), &rem, 10);
+                        --argc;
+                } else if (strcmp(*argv, "-t") == 0 ||
+                           strcmp(*argv, "--timeout") == 0) {
+                        server_settings.timeout = strtol(*(++argv), &rem, 10);
+                        --argc;
+                } else if (strcmp(*argv, "-n") == 0 ||
+                           strcmp(*argv, "--server_apn") == 0) {
+                        s_apn = *(++argv);
+                        --argc;
+                } else if (strcmp(*argv, "-d") == 0 ||
+                           strcmp(*argv, "--duration") == 0) {
+                        duration = strtol(*(++argv), &rem, 10);
+                        --argc;
+                } else if (strcmp(*argv, "-s") == 0 ||
+                           strcmp(*argv, "--size") == 0) {
+                        size = strtol(*(++argv), &rem, 10);
+                        --argc;
+                } else if (strcmp(*argv, "-r") == 0 ||
+                           strcmp(*argv, "--rate") == 0) {
+                        rate = strtol(*(++argv), &rem, 10);
+                        if (*rem == 'k')
+                                rate *= 1000;
+                        if (*rem == 'M')
+                                rate *= MILLION;
+                        if (*rem == 'G')
+                                rate *= BILLION;
+                        --argc;
+                } else if (strcmp(*argv, "-l") == 0 ||
+                           strcmp(*argv, "--listen") == 0) {
+                        server = true;
+                } else if (strcmp(*argv, "-f") == 0 ||
+                           strcmp(*argv, "--flood") == 0) {
+                        flood = true;
+                } else if (strcmp(*argv, "--sleep") == 0) {
+                        sleep = true;
+                } else {
+                        usage();
+                        return 0;
+                }
+                argc--;
+                argv++;
+        }
+
+        if (server) {
+                ret = server_main();
+        } else {
+                if (s_apn == NULL) {
+                        printf("No server specified.\n");
+                        usage();
+                        return 0;
+                }
+
+                ret = client_main(s_apn, duration, size, rate, flood, sleep);
+        }
+
+        return ret;
+}