ipsvd: make udpsvd work similar to tcpsvd (multiple parallel

children for several streams of udp packets tested to work)
code size: -509 bytes


git-svn-id: svn://busybox.net/trunk/busybox@18316 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 7 insertions, 5 deletions

diff --git a/include/usage.h b/include/usage.h
index bab14f5c3..5f1bf24cb 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -3331,7 +3331,7 @@ USE_FEATURE_RUN_PARTS_FANCY("\n	-l	Prints names of all matching files even when
 /*     "[-hpEvv] [-c n] [-C n:msg] [-b n] [-u user] [-l name] [-i dir|-x cdb] [ -t sec] ip port prog..." */
 #define tcpsvd_full_usage \
        "Creates TCP socket, binds it to host:port and listens on in\n" \
-       "for incoming connections. For each connection it runs prog" \
+       "for incoming connections. For each connection it runs prog." \
      "\n" \
      "\nip              IP to listen on. '0' = all" \
      "\nport            Port to listen on" \
@@ -3339,27 +3339,29 @@ USE_FEATURE_RUN_PARTS_FANCY("\n	-l	Prints names of all matching files even when
      "\n-l name         Local hostname (else looks up local hostname in DNS)" \
      "\n-u user[:group] Change to user/group after bind" \
      "\n-c n            Handle up to n connections simultaneously" \
+     "\n-b n            Allow a backlog of approximately n TCP SYNs" \
      "\n-C n[:msg]      Allow only up to n connections from the same IP" \
      "\n                New connections from this IP address are closed" \
      "\n                immediately. 'msg' is written to the peer before close" \
      "\n-h              Look up peer's hostname" \
-     "\n-b n            Allow a backlog of approximately n TCP SYNs" \
      "\n-E              Do not set up TCP-related environment variables" \
      "\n-v              Verbose"
 
 #define udpsvd_trivial_usage \
-       "[-hv] [-u user] [-l name] host port prog"
+       "[-hEv] [-u user] [-l name] host port prog"
 #define udpsvd_full_usage \
        "Creates UDP socket, binds it to host:port and listens on in\n" \
-       "for incoming packets. When packet arrives it runs prog.\n" \
-       "When prog exits, it start to listen on the socket again" \
+       "for incoming packets. For each packet it runs prog\n" \
+       "(redirecting all further packets with same peer ip:port to it)." \
      "\n" \
      "\nip              IP to listen on. '0' = all" \
      "\nport            Port to listen on" \
      "\nprog [arg]      Program to run" \
      "\n-l name         Local hostname (else looks up local hostname in DNS)" \
      "\n-u user[:group] Change to user/group after bind" \
+     "\n-c n            Handle up to n connections simultaneously" \
      "\n-h              Look up peer's hostname" \
+     "\n-E              Do not set up TCP-related environment variables" \
      "\n-v              Verbose"
 
 #define tftp_trivial_usage \