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authorDimitri Staessens <dimitri.staessens@intec.ugent.be>2016-03-22 15:27:23 +0100
committerDimitri Staessens <dimitri.staessens@intec.ugent.be>2016-03-22 15:27:23 +0100
commiteb46e3ddc161c543ea268c54f0c6db40019d25c1 (patch)
treead998716754303d8bb791baaa6506835539a01f2 /src/tools/echo/echo_server.c
parent8d2ac4877bb14df8e10d13b61d5db6c5e11d87c3 (diff)
parent3c6f5161b2903c1bf59bcc959301a7390c3c5c79 (diff)
downloadouroboros-eb46e3ddc161c543ea268c54f0c6db40019d25c1.tar.gz
ouroboros-eb46e3ddc161c543ea268c54f0c6db40019d25c1.zip
Merged in sandervrijders/ouroboros/be (pull request #38)
tools: Simple echo application
Diffstat (limited to 'src/tools/echo/echo_server.c')
-rw-r--r--src/tools/echo/echo_server.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/tools/echo/echo_server.c b/src/tools/echo/echo_server.c
new file mode 100644
index 00000000..f9682ab7
--- /dev/null
+++ b/src/tools/echo/echo_server.c
@@ -0,0 +1,103 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * A simple echo application
+ *
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdbool.h>
+#include <signal.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <ouroboros/dev.h>
+#include <ouroboros/rina_name.h>
+
+#define DIF_NAME "*"
+
+void shutdown_server(int signo)
+{
+ char * dif = DIF_NAME;
+
+ if (ap_unreg(SERVER_AP_NAME, NULL, &dif, 1)) {
+ printf("Failed to unregister application\n");
+ exit(EXIT_FAILURE);
+ }
+
+ exit(EXIT_SUCCESS);
+}
+
+int server_main()
+{
+ int server_fd = 0;
+ int client_fd = 0;
+ char * dif = DIF_NAME;
+ char * client_name = NULL;
+ uint8_t buf[BUF_SIZE];
+ ssize_t count = 0;
+
+ printf("Starting the server\n");
+
+ /* Manual cleanup is required for now */
+ if (signal(SIGINT, shutdown_server) == SIG_ERR) {
+ printf("Can't install signal handler\n");
+ return -1;
+ }
+
+ server_fd = ap_reg(SERVER_AP_NAME, NULL, &dif, 1);
+ if (server_fd < 0) {
+ printf("Failed to register application\n");
+ return -1;
+ }
+
+ while (true) {
+ client_fd = flow_accept(server_fd,
+ client_name, NULL);
+ if (client_fd < 0) {
+ printf("Failed to accept flow\n");
+ continue;
+ }
+
+ printf("New flow from %s", client_name);
+
+ if (flow_alloc_resp(client_fd, 0)) {
+ printf("Failed to give an allocate response\n");
+ flow_dealloc(client_fd);
+ continue;
+ }
+
+ count = flow_read(client_fd, buf, BUF_SIZE);
+ if (count < 0) {
+ printf("Failed to read SDU\n");
+ flow_dealloc(client_fd);
+ continue;
+ }
+
+ printf("Message from client is %.*s\n", (int) count, buf);
+
+ if (flow_write(client_fd, buf, count) == -1) {
+ printf("Failed to write SDU\n");
+ flow_dealloc(client_fd);
+ continue;
+ }
+
+ flow_dealloc(client_fd);
+ }
+
+ return 0;
+}