diff options
Diffstat (limited to 'stap-client')
| -rwxr-xr-x | stap-client | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/stap-client b/stap-client index 0ac9bd68..255551b3 100755 --- a/stap-client +++ b/stap-client @@ -29,6 +29,11 @@ function configuration { tmpdir_prefix_client=stap.client tmpdir_prefix_server=stap.server avahi_service_tag=_stap._tcp + + # We need either netcat or nc. + netcat=`which netcat 2>/dev/null` + test "X$netcat" = "X" && netcat=`which nc 2>/dev/null` + test "X$netcat" = "X" && fatal "ERROR: cannot find required program 'netcat' or 'nc' on PATH" } # function: initialization @@ -386,7 +391,7 @@ function send_request { # Send the request file. for ((attempt=0; $attempt < 10; ++attempt)) do - if nc -w10 $server $(($port+1)) < $tar_client > /dev/null 2>&1; then + if $netcat -w10 $server $(($port+1)) < $tar_client > /dev/null 2>&1; then return; fi sleep 1 @@ -405,7 +410,7 @@ function receive_response { # Retrieve the file. Wait for up to 5 minutes for a response. for ((attempt=0; $attempt < 300; ++attempt)) do - if nc -d $server $(($port+1)) > $tar_server 2>/dev/null; then + if $netcat -d $server $(($port+1)) > $tar_server 2>/dev/null; then return; fi sleep 1 @@ -535,7 +540,7 @@ function choose_server { function connect_to_server { for ((attempt=0; $attempt < 10; ++attempt)) do - if echo "request:" | nc -w10 $1 $2 >/dev/null 2>&1; then + if echo "request:" | $netcat -w10 $1 $2 >/dev/null 2>&1; then return 0 fi sleep 1 |