add option to just return the IP number of the next available host

1 files changed, 19 insertions, 3 deletions

diff --git a/gethost.cc b/gethost.cc
index aabf974..c7c1fc1 100644
--- a/gethost.cc
+++ b/gethost.cc
@@ -85,7 +85,9 @@ main(int argc, char *argv[])
     int serverPortNum = SERVER_PORT_NUM;
     struct hostent *he;
     char *distingProp = "";
-
+    bool node = false;
+    std::string arch;
+    
     int nextarg = 1;
     for (; nextarg < argc; nextarg++) {
 	if (strequ("-s", argv[nextarg]) || strequ("--server", argv[nextarg])) {
@@ -95,6 +97,13 @@ main(int argc, char *argv[])
 	    }
 	    serverName.seekp(1);     // remove everything after the first "@".
 	    serverName << argv[nextarg] << '\0';
+	} else if (strequ("-a", argv[nextarg]) ||
+		   strequ("--arch", argv[nextarg])) {
+	    if (++nextarg >= argc) {
+		usage(argv[0]);
+		return -1;
+	    }
+	    arch = atoi(argv[nextarg]);
 	} else if (strequ("-p", argv[nextarg]) ||
 		   strequ("--port", argv[nextarg])) {
 	    if (++nextarg >= argc) {
@@ -102,6 +111,9 @@ main(int argc, char *argv[])
 		return -1;
 	    }
 	    serverPortNum = atoi(argv[nextarg]);
+	} else if (strequ("-n", argv[nextarg]) ||
+		   strequ("--node", argv[nextarg])) {
+            node = true;
         } else if (strequ("-t", argv[nextarg]) ||
                    strequ("--type", argv[nextarg])) {
             if (++nextarg >= argc) {
@@ -118,7 +130,6 @@ main(int argc, char *argv[])
 	}
     }
 
-
     std::ostringstream clientPortStr;
     clientPortStr << "c" << serverPortNum;
     DMUCS_DEBUG((stderr, "doing Sopen with %s, %s\n",
@@ -220,6 +231,11 @@ main(int argc, char *argv[])
 	return -1;
     }
 
+    if (node) {
+        fprintf(stdout, "%s\n", resolved_name.c_str());
+        return -1;
+    }
+    
 #if 0
     for (char **ep = environ; *ep ; ep++) {
 	printf("Env: %s\n", *ep);
@@ -253,6 +269,6 @@ main(int argc, char *argv[])
 void
 usage(const char *prog)
 {
-    fprintf(stderr, "Usage: %s [-s|--server <server>] [-p|--port <port>] "
+    fprintf(stderr, "Usage: %s [-s|--server <server>] [-p|--port <port>] [-n|--node] "
 	    "[-D|--debug] [-t|--type <typestr>] <command> [args] \n\n", prog);
 }