nexus: Initial checkin of Nexus - android native network management daemon.
Initial skelaton
Signed-off-by: San Mehat <san@google.com>
diff --git a/nexus/nexctl.c b/nexus/nexctl.c
new file mode 100644
index 0000000..6d117c7
--- /dev/null
+++ b/nexus/nexctl.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#include <sys/socket.h>
+#include <sys/select.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <cutils/sockets.h>
+
+#include <private/android_filesystem_config.h>
+
+static void signal_handler(int sig) {
+ fprintf(stdout, "{ interrupt! }\n");
+}
+
+int main(int argc, char **argv) {
+ int sock;
+
+ if ((sock = socket_local_client("nexus",
+ ANDROID_SOCKET_NAMESPACE_RESERVED,
+ SOCK_STREAM)) < 0) {
+ fprintf(stderr, "Error connecting (%s)\n", strerror(errno));
+ exit(1);
+ }
+
+ printf("Connected to nexus\n");
+
+ while(1) {
+ fd_set read_fds;
+ struct timeval to;
+ int rc = 0;
+
+ signal(SIGINT, SIG_DFL);
+
+ printf("-> ");
+ fflush(stdout);
+
+ char buffer[255];
+ if (!fgets(buffer, sizeof(buffer) -1, stdin)) {
+ printf("Exiting...\n");
+ exit(0);
+ }
+
+ buffer[strlen(buffer) -1] = 0;
+
+ printf("sending '%s'\n", buffer);
+ if (write(sock, buffer, strlen(buffer) +1) < 0) {
+ fprintf(stderr, "Error writing data (%s)\n", strerror(errno));
+ exit(2);
+ }
+
+wait:
+ to.tv_sec = 5;
+ to.tv_usec = 0;
+ FD_ZERO(&read_fds);
+ FD_SET(sock, &read_fds);
+
+ signal(SIGINT, signal_handler);
+
+ if ((rc = select(sock +1, &read_fds, NULL, NULL, &to)) < 0) {
+ if (errno == EINTR)
+ continue;
+ fprintf(stderr, "Error in select (%s)\n", strerror(errno));
+ exit(2);
+ } else if (!rc) {
+ printf("{response timeout}\n");
+ continue;
+ } else if (FD_ISSET(sock, &read_fds)) {
+printf("got data!\n");
+ if ((rc = read(sock, buffer, sizeof(buffer)-1)) < 0) {
+ fprintf(stderr, "Error reading response (%s)\n", strerror(errno));
+ exit(2);
+ }
+ printf(" |%s|\n", buffer);
+ goto wait;
+ }
+ }
+
+
+ exit(0);
+
+}