fix doxygen and put everything besides main function in namespace ebusd

src/tools/ebusctl.cpp

@@ -32,9 +32,12 @@
 #include <string>
 #include "lib/utils/tcpsocket.h"
 
+namespace ebusd {
+
 using std::ostringstream;
 using std::cin;
 using std::cout;
+using std::string;
 using std::endl;
 
 /** A structure holding all program options. */
@@ -117,7 +120,7 @@ error_t parse_opt(int key, char *arg, struct argp_state *state) {
   return 0;
 }
 
-string fetchData(TCPSocket* socket, bool& listening) {
+string fetchData(ebusd::TCPSocket* socket, bool& listening) {
   char data[1024];
   ssize_t datalen;
   ostringstream ostream;
@@ -289,6 +292,13 @@ void connect(const char* host, uint16_t port, char* const *args, int argCount) {
   delete client;
 }
 
+
+/**
+ * Main function.
+ * @param argc the number of command line arguments.
+ * @param argv the command line arguments.
+ * @return the exit code.
+ */
 int main(int argc, char* argv[]) {
   struct argp argp = { argpoptions, parse_opt, argpargsdoc, argpdoc, NULL, NULL, NULL };
   setenv("ARGP_HELP_FMT", "no-dup-args-note", 0);
@@ -300,3 +310,8 @@ int main(int argc, char* argv[]) {
   exit(EXIT_SUCCESS);
 }
 
+}  // namespace ebusd
+
+int main(int argc, char* argv[]) {
+  return ebusd::main(argc, argv);
+}