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authorDimitri Staessens <dimitri.staessens@ugent.be>2017-10-23 23:25:27 +0200
committerSander Vrijders <sander.vrijders@ugent.be>2017-10-24 10:50:57 +0200
commit3608d822b1c8b39f135fc056b864f86286d17530 (patch)
tree3910379c7d82084187f87c0b11b4c0d56dee332a /src/tools/echo
parent3d9501007a24bf5422335238960f6777d2684d35 (diff)
downloadouroboros-3608d822b1c8b39f135fc056b864f86286d17530.tar.gz
ouroboros-3608d822b1c8b39f135fc056b864f86286d17530.zip
tools: Refactor echo to single source file
This simplifies the echo-app tool implementation to a single source file since it's meant to be a small example application. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Diffstat (limited to 'src/tools/echo')
-rw-r--r--src/tools/echo/echo.c76
-rw-r--r--src/tools/echo/echo_client.c57
-rw-r--r--src/tools/echo/echo_server.c67
3 files changed, 73 insertions, 127 deletions
diff --git a/src/tools/echo/echo.c b/src/tools/echo/echo.c
index 91ab552d..27dad38b 100644
--- a/src/tools/echo/echo.c
+++ b/src/tools/echo/echo.c
@@ -22,14 +22,13 @@
#define _POSIX_C_SOURCE 199309L
+#include <ouroboros/dev.h>
+
#include <stdio.h>
#include <string.h>
#define BUF_SIZE 256
-#include "echo_client.c"
-#include "echo_server.c"
-
static void usage(void)
{
printf("Usage: echo-app [OPTION]...\n"
@@ -38,6 +37,77 @@ static void usage(void)
" --help Display this help text and exit\n");
}
+int server_main(void)
+{
+ int fd = 0;
+ char buf[BUF_SIZE];
+ ssize_t count = 0;
+
+ printf("Starting the server.\n");
+
+ while (true) {
+ fd = flow_accept(NULL, NULL);
+ if (fd < 0) {
+ printf("Failed to accept flow.\n");
+ break;
+ }
+
+ printf("New flow.\n");
+
+ count = flow_read(fd, &buf, BUF_SIZE);
+ if (count < 0) {
+ printf("Failed to read SDU.\n");
+ flow_dealloc(fd);
+ continue;
+ }
+
+ printf("Message from client is %.*s.\n", (int) count, buf);
+
+ if (flow_write(fd, buf, count) == -1) {
+ printf("Failed to write SDU.\n");
+ flow_dealloc(fd);
+ continue;
+ }
+
+ flow_dealloc(fd);
+ }
+
+ return 0;
+}
+
+int client_main(void)
+{
+ int fd = 0;
+ char buf[BUF_SIZE];
+ char * message = "Client says hi!";
+ ssize_t count = 0;
+
+ fd = flow_alloc("echo", NULL, NULL);
+ if (fd < 0) {
+ printf("Failed to allocate flow.\n");
+ return -1;
+ }
+
+ if (flow_write(fd, message, strlen(message) + 1) < 0) {
+ printf("Failed to write SDU.\n");
+ flow_dealloc(fd);
+ return -1;
+ }
+
+ count = flow_read(fd, buf, BUF_SIZE);
+ if (count < 0) {
+ printf("Failed to read SDU.\n");
+ flow_dealloc(fd);
+ return -1;
+ }
+
+ printf("Server replied with %.*s\n", (int) count, buf);
+
+ flow_dealloc(fd);
+
+ return 0;
+}
+
int main(int argc, char ** argv)
{
int ret = -1;
diff --git a/src/tools/echo/echo_client.c b/src/tools/echo/echo_client.c
deleted file mode 100644
index 4df5904d..00000000
--- a/src/tools/echo/echo_client.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * A simple echo application
- *
- * Dimitri Staessens <dimitri.staessens@ugent.be>
- * Sander Vrijders <sander.vrijders@ugent.be>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#include <ouroboros/dev.h>
-#include <stdlib.h>
-
-int client_main(void)
-{
- int fd = 0;
- char buf[BUF_SIZE];
- char * message = "Client says hi!";
- ssize_t count = 0;
-
- fd = flow_alloc("echo", NULL, NULL);
- if (fd < 0) {
- printf("Failed to allocate flow.\n");
- return -1;
- }
-
- if (flow_write(fd, message, strlen(message) + 1) < 0) {
- printf("Failed to write SDU.\n");
- flow_dealloc(fd);
- return -1;
- }
-
- count = flow_read(fd, buf, BUF_SIZE);
- if (count < 0) {
- printf("Failed to read SDU.\n");
- flow_dealloc(fd);
- return -1;
- }
-
- printf("Server replied with %.*s\n", (int) count, buf);
-
- flow_dealloc(fd);
-
- return 0;
-}
diff --git a/src/tools/echo/echo_server.c b/src/tools/echo/echo_server.c
deleted file mode 100644
index 14e0aa58..00000000
--- a/src/tools/echo/echo_server.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * A simple echo application
- *
- * Dimitri Staessens <dimitri.staessens@ugent.be>
- * Sander Vrijders <sander.vrijders@ugent.be>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#include <stdbool.h>
-#include <signal.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-#include <ouroboros/dev.h>
-
-int server_main(void)
-{
- int fd = 0;
- char buf[BUF_SIZE];
- ssize_t count = 0;
- qosspec_t qs;
-
- printf("Starting the server.\n");
-
- while (true) {
- fd = flow_accept(&qs, NULL);
- if (fd < 0) {
- printf("Failed to accept flow.\n");
- break;
- }
-
- printf("New flow.\n");
-
- count = flow_read(fd, &buf, BUF_SIZE);
- if (count < 0) {
- printf("Failed to read SDU.\n");
- flow_dealloc(fd);
- continue;
- }
-
- printf("Message from client is %.*s.\n", (int) count, buf);
-
- if (flow_write(fd, buf, count) == -1) {
- printf("Failed to write SDU.\n");
- flow_dealloc(fd);
- continue;
- }
-
- flow_dealloc(fd);
- }
-
- return 0;
-}