ipcpd, lib, irmd, tools: Change SDU to packet

This will change SDU (Service Data Unit) to packet everywhere. SDU is
OSI terminology, whereas packet is Ouroboros terminology.

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

7 files changed, 28 insertions, 26 deletions

diff --git a/src/tools/ocbr/ocbr.c b/src/tools/ocbr/ocbr.c
index e2bd84af..12983da3 100644
--- a/src/tools/ocbr/ocbr.c
+++ b/src/tools/ocbr/ocbr.c
@@ -60,7 +60,7 @@ struct s {
 static void usage(void)
 {
         printf("Usage: cbr [OPTION]...\n"
-               "Sends SDUs from client to server at a constant bit rate.\n\n"
+               "Sends packets from client to server at a constant bit rate.\n\n"
                "  -l, --listen              Run in server mode\n"
                "\n"
                "Server options:\n"
@@ -70,10 +70,10 @@ static void usage(void)
                "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, max %ld B)\n"
+               "  -f, --flood               Send packets as fast as possible\n"
+               "  -s, --size                packet size (B, max %ld B)\n"
                "  -r, --rate                Rate (b/s)\n"
-               "      --sleep               Sleep in between sending SDUs\n"
+               "      --sleep               Sleep in between sending packets\n"
                "\n\n"
                "      --help                Display this help text and exit\n",
                BUF_SIZE);
@@ -82,7 +82,7 @@ static void usage(void)
 int main(int argc, char ** argv)
 {
         int    duration = 60;  /* One minute test */
-        int    size = 1000;    /* 1000 byte SDUs */
+        int    size = 1000;    /* 1000 byte packets */
         long   rate = 1000000; /* 1 Mb/s */
         bool   flood = false;
         bool   sleep = false;
diff --git a/src/tools/ocbr/ocbr_client.c b/src/tools/ocbr/ocbr_client.c
index 026ab001..63b43721 100644
--- a/src/tools/ocbr/ocbr_client.c
+++ b/src/tools/ocbr/ocbr_client.c
@@ -155,7 +155,7 @@ int client_main(char * server,
         ms = ts_diff_ms(&start, &end);
 
         printf("sent statistics: "
-               "%9ld SDUs, %12ld bytes in %9d ms, %4.4f Mb/s\n",
+               "%9ld packets, %12ld bytes in %9d ms, %4.4f Mb/s\n",
                seqnr, seqnr * size, ms, (seqnr / (ms * 1000.0)) * size * 8.0);
 
         flow_dealloc(fd);
diff --git a/src/tools/ocbr/ocbr_server.c b/src/tools/ocbr/ocbr_server.c
index 4f080eff..75983201 100644
--- a/src/tools/ocbr/ocbr_server.c
+++ b/src/tools/ocbr/ocbr_server.c
@@ -90,8 +90,8 @@ static void handle_flow(int fd)
 
         bool stop = false;
 
-        long sdus            = 0;
-        long sdus_intv       = 0;
+        long packets         = 0;
+        long packets_intv    = 0;
         long bytes_read      = 0;
         long bytes_read_intv = 0;
 
@@ -109,7 +109,7 @@ static void handle_flow(int fd)
 
                 if (count > 0) {
                         clock_gettime(CLOCK_REALTIME, &alive);
-                        sdus++;
+                        packets++;
                         bytes_read += count;
                 }
 
@@ -121,17 +121,18 @@ static void handle_flow(int fd)
 
                 if (stop || ts_diff_ms(&now, &iv_end) < 0) {
                         long us = ts_diff_us(&iv_start, &now);
-                        printf("Flow %4d: %9ld SDUs (%12ld bytes) in %9ld ms"
-                               " => %9.4f p/s, %9.4f Mb/s\n",
+                        printf("Flow %4d: %9ld packets (%12ld bytes) in %9ld ms"
+                               " => %9.4f pps, %9.4f Mbps\n",
                                fd,
-                               sdus - sdus_intv,
+                               packets - packets_intv,
                                bytes_read - bytes_read_intv,
                                us / 1000,
-                               ((sdus - sdus_intv) / (double) us) * MILLION,
+                               ((packets - packets_intv) / (double) us)
+                               * MILLION,
                                8 * ((bytes_read - bytes_read_intv)
                                     / (double)(us)));
                         iv_start = iv_end;
-                        sdus_intv = sdus;
+                        packets_intv = packets;
                         bytes_read_intv = bytes_read;
                         ts_add(&iv_start, &intv, &iv_end);
                 }
diff --git a/src/tools/oecho/oecho.c b/src/tools/oecho/oecho.c
index cc173988..b6a74aa5 100644
--- a/src/tools/oecho/oecho.c
+++ b/src/tools/oecho/oecho.c
@@ -72,7 +72,7 @@ static int server_main(void)
 
                 count = flow_read(fd, &buf, BUF_SIZE);
                 if (count < 0) {
-                        printf("Failed to read SDU.\n");
+                        printf("Failed to read packet.\n");
                         flow_dealloc(fd);
                         continue;
                 }
@@ -80,7 +80,7 @@ static int server_main(void)
                 printf("Message from client is %.*s.\n", (int) count, buf);
 
                 if (flow_write(fd, buf, count) == -1) {
-                        printf("Failed to write SDU.\n");
+                        printf("Failed to write packet.\n");
                         flow_dealloc(fd);
                         continue;
                 }
@@ -105,14 +105,14 @@ static int client_main(void)
         }
 
         if (flow_write(fd, message, strlen(message) + 1) < 0) {
-                printf("Failed to write SDU.\n");
+                printf("Failed to write packet.\n");
                 flow_dealloc(fd);
                 return -1;
         }
 
         count = flow_read(fd, buf, BUF_SIZE);
         if (count < 0) {
-                printf("Failed to read SDU.\n");
+                printf("Failed to read packet.\n");
                 flow_dealloc(fd);
                 return -1;
         }
diff --git a/src/tools/operf/operf.c b/src/tools/operf/operf.c
index 137e8647..92555c23 100644
--- a/src/tools/operf/operf.c
+++ b/src/tools/operf/operf.c
@@ -119,8 +119,8 @@ static void usage(void)
                "  -d, --duration            Test duration (default 60s)\n"
                "  -r, --rate                Rate (b/s)\n"
                "  -s, --size                Payload size (B, default 1500)\n"
-               "  -f, --flood               Send SDUs as fast as possible\n"
-               "      --sleep               Sleep in between sending SDUs\n"
+               "  -f, --flood               Send packets as fast as possible\n"
+               "      --sleep               Sleep in between sending packets\n"
                "\n"
                "      --help                Display this help text and exit\n");
 }
diff --git a/src/tools/operf/operf_client.c b/src/tools/operf/operf_client.c
index c8873c54..6862944e 100644
--- a/src/tools/operf/operf_client.c
+++ b/src/tools/operf/operf_client.c
@@ -120,11 +120,12 @@ void * writer(void * o)
         msg = (struct msg *) buf;
 
         if (client.flood)
-                printf("Flooding %s with %d byte SDUs for %d seconds.\n\n",
+                printf("Flooding %s with %d byte packets for %d seconds.\n\n",
                        client.server_name, client.size,
                        client.duration / 1000);
         else
-                printf("Sending %d byte SDUs for %d s to %s at %.3lf Mb/s.\n\n",
+                printf("Sending %d byte packets for %d s to %s "
+                       "at %.3lf Mb/s.\n\n",
                        client.size, client.duration / 1000,
                        client.server_name,
                        client.rate / (double) MILLION);
@@ -141,7 +142,7 @@ void * writer(void * o)
                 msg->id = client.sent;
 
                 if (flow_write(*fdp, buf, client.size) == -1) {
-                        printf("Failed to send SDU.\n");
+                        printf("Failed to send packet.\n");
                         flow_dealloc(*fdp);
                         free(buf);
                         return (void *) -1;
@@ -225,7 +226,7 @@ int client_main(void)
 
                 printf("\n");
                 printf("--- %s perf statistics ---\n", client.server_name);
-                printf("%ld SDUs transmitted, ", client.sent);
+                printf("%ld packets transmitted, ", client.sent);
                 printf("%ld received, ", client.rcvd);
                 printf("%ld%% packet loss, ", client.sent == 0 ? 0 :
                        100 - ((100 * client.rcvd) / client.sent));
diff --git a/src/tools/oping/oping_client.c b/src/tools/oping/oping_client.c
index 0f7695b5..a978e659 100644
--- a/src/tools/oping/oping_client.c
+++ b/src/tools/oping/oping_client.c
@@ -176,7 +176,7 @@ void * writer(void * o)
                 msg->tv_nsec = now.tv_nsec;
 
                 if (flow_write(*fdp, buf, client.size) == -1) {
-                        printf("Failed to send SDU.\n");
+                        printf("Failed to send packet.\n");
                         flow_dealloc(*fdp);
                         free(buf);
                         return (void *) -1;
@@ -253,7 +253,7 @@ static int client_main(void)
 
         printf("\n");
         printf("--- %s ping statistics ---\n", client.s_apn);
-        printf("%d SDUs transmitted, ", client.sent);
+        printf("%d packets transmitted, ", client.sent);
         printf("%d received, ", client.rcvd);
         printf("%zd out-of-order, ", client.ooo);
         printf("%.0lf%% packet loss, ", client.sent == 0 ? 0 :