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authorDimitri Staessens <dimitri.staessens@ugent.be>2018-02-14 13:55:00 +0100
committerSander Vrijders <sander.vrijders@ugent.be>2018-02-14 17:58:51 +0100
commit91012d9af758a48c4c57fc940dfcc8a581fa46ac (patch)
tree96495c10b615ddafa94ebcfa1a0977109ec0ffe8 /src/tools/oecho
parente095d0ade3035c714768266755c9c61acfc2ad0f (diff)
downloadouroboros-91012d9af758a48c4c57fc940dfcc8a581fa46ac.tar.gz
ouroboros-91012d9af758a48c4c57fc940dfcc8a581fa46ac.zip
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>
Diffstat (limited to 'src/tools/oecho')
-rw-r--r--src/tools/oecho/CMakeLists.txt16
-rw-r--r--src/tools/oecho/oecho.c152
2 files changed, 168 insertions, 0 deletions
diff --git a/src/tools/oecho/CMakeLists.txt b/src/tools/oecho/CMakeLists.txt
new file mode 100644
index 00000000..50a66138
--- /dev/null
+++ b/src/tools/oecho/CMakeLists.txt
@@ -0,0 +1,16 @@
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+include_directories(${CMAKE_SOURCE_DIR}/include)
+include_directories(${CMAKE_BINARY_DIR}/include)
+
+set(SOURCE_FILES
+ # Add source files here
+ oecho.c
+ )
+
+add_executable(oecho ${SOURCE_FILES})
+
+target_link_libraries(oecho LINK_PUBLIC ouroboros-dev)
+
+install(TARGETS oecho RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/src/tools/oecho/oecho.c b/src/tools/oecho/oecho.c
new file mode 100644
index 00000000..3896a85a
--- /dev/null
+++ b/src/tools/oecho/oecho.c
@@ -0,0 +1,152 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2018
+ *
+ * A simple echo application
+ *
+ * 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 199309L
+
+#include <ouroboros/dev.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#define BUF_SIZE 256
+
+static void usage(void)
+{
+ printf("Usage: echo-app [OPTION]...\n"
+ "Sends an echo between a server and a client\n\n"
+ " -l, --listen Run in server mode\n"
+ " --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;
+ bool server = false;
+
+ argc--;
+ argv++;
+ while (argc > 0) {
+ if (strcmp(*argv, "-l") == 0 ||
+ strcmp(*argv, "--listen") == 0) {
+ server = true;
+ } else {
+ usage();
+ return 0;
+ }
+ argc--;
+ argv++;
+ }
+
+ if (server)
+ ret = server_main();
+ else
+ ret = client_main();
+
+ return ret;
+}