Implement the "-w <timeout>" command line option.

diff --git a/src/oping.c b/src/oping.c
index 28f761c..08423ea 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -192,6 +192,7 @@ typedef struct ping_context
 } ping_context_t;
 
 static double  opt_interval   = 1.0;
+static double  opt_timeout    = PING_DEF_TIMEOUT;
 static int     opt_addrfamily = PING_DEF_AF;
 static char   *opt_srcaddr    = NULL;
 static char   *opt_device     = NULL;
@@ -430,6 +431,7 @@ static void usage_exit (const char *name, int status) /* {{{ */
                        "  -4|-6        force the use of IPv4 or IPv6\n"
                        "  -c count     number of ICMP packets to send\n"
                        "  -i interval  interval with which to send ICMP packets\n"
+                       "  -w timeout   time to wait for replies, in seconds\n"
                        "  -t ttl       time to live for each ICMP packet\n"
                        "  -Q qos       Quality of Service (QoS) of outgoing packets\n"
                        "               Use \"-Q help\" for a list of valid options.\n"
@@ -645,7 +647,7 @@ static int read_options (int argc, char **argv) /* {{{ */
 
        while (1)
        {
-               optchar = getopt (argc, argv, "46c:hi:I:t:Q:f:D:Z:P:"
+               optchar = getopt (argc, argv, "46c:hi:I:t:Q:f:D:Z:P:w:"
 #if USE_NCURSES
                                "uUg:"
 #endif
@@ -698,6 +700,22 @@ static int read_options (int argc, char **argv) /* {{{ */
                                }
                                break;
 
+                       case 'w':
+                       {
+                               char *endp;
+                               double t = strtod(optarg, &endp);
+                               if(optarg[0] != '\0' && *endp == '\0')
+                               {
+                                       opt_timeout = t;
+                               }
+                               else{
+                                       fprintf (stderr, "Ignoring invalid timeout: %s\n",
+                                                       optarg);
+                               }
+
+                               break;
+                       }
+
                        case 'I':
                                {
                                        if (opt_srcaddr != NULL)
@@ -1715,6 +1733,12 @@ int main (int argc, char **argv) /* {{{ */
                /* printf ("ts_int = %i.%09li\n", (int) ts_int.tv_sec, ts_int.tv_nsec); */
        }
 
+       if (ping_setopt (ping, PING_OPT_TIMEOUT, (void*)(&opt_timeout)) != 0)
+       {
+               fprintf (stderr, "Setting timeout failed: %s\n",
+                               ping_get_error (ping));
+       }
+
        if (opt_addrfamily != PING_DEF_AF)
                ping_setopt (ping, PING_OPT_AF, (void *) &opt_addrfamily);