From 77ec8f42e4efb20ee99c95a34c996891ff231501 Mon Sep 17 00:00:00 2001 From: Dan Sully Date: Mon, 15 Jun 2009 12:17:53 -0700 Subject: [PATCH] Allow reading of files containing hostnames. Signed-off-by: Dan Sully Signed-off-by: Florian Forster --- src/oping.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 52 insertions(+), 5 deletions(-) diff --git a/src/oping.c b/src/oping.c index 0f39dc5..3164230 100644 --- a/src/oping.c +++ b/src/oping.c @@ -63,7 +63,7 @@ typedef struct ping_context int req_sent; int req_rcvd; - + double latency_min; double latency_max; double latency_total; @@ -73,6 +73,7 @@ typedef struct ping_context static double opt_interval = 1.0; static int opt_addrfamily = PING_DEF_AF; static char *opt_srcaddr = NULL; +static char *opt_filename = NULL; static int opt_count = -1; static int opt_send_ttl = 64; @@ -114,7 +115,7 @@ static void usage_exit (const char *name) fprintf (stderr, "Usage: %s [-46] [-c count] [-i interval]\n" "%*s[-t ttl] [-I srcaddr]\n" - "%*shost [host [host ...]]\n", + "%*s-f filename | host [host [host ...]]\n", name, 8 + name_length, "", 8 + name_length, ""); @@ -127,7 +128,7 @@ static int read_options (int argc, char **argv) while (1) { - optchar = getopt (argc, argv, "46c:hi:I:t:"); + optchar = getopt (argc, argv, "46c:hi:I:t:f:"); if (optchar == -1) break; @@ -148,6 +149,14 @@ static int read_options (int argc, char **argv) } break; + case 'f': + { + if (opt_filename != NULL) + free (opt_filename); + opt_filename = strdup (optarg); + } + break; + case 'i': { double new_interval; @@ -196,7 +205,7 @@ static void print_host (pingobj_iter_t *iter) size_t buffer_len; size_t data_len; ping_context_t *context; - + latency = -1.0; buffer_len = sizeof (latency); ping_iterator_get_info (iter, PING_INFO_LATENCY, @@ -307,8 +316,9 @@ int main (int argc, char **argv) optind = read_options (argc, argv); - if (optind >= argc) + if (optind >= argc && !opt_filename) { usage_exit (argv[0]); + } if (geteuid () != 0) { @@ -351,6 +361,43 @@ int main (int argc, char **argv) } } + if (opt_filename != NULL) + { + FILE *infile; + char line[256]; + char host[256]; + + if (strncmp(opt_filename, "-", 1) == 0) + infile = fdopen(0, "r"); + else + infile = fopen(opt_filename, "r"); + + if (!infile) + { + fprintf (stderr, "Couldn't open file for hostnames: %s\n", strerror(errno)); + return (1); + } + + while (fgets(line, sizeof(line), infile)) + { + if (sscanf(line, "%s", host) != 1) + continue; + + if ((!*host) || (host[0] == '#')) + continue; + + if (ping_host_add(ping, host) < 0) + { + const char *errmsg = ping_get_error (ping); + + fprintf (stderr, "Adding host `%s' failed: %s\n", host, errmsg); + continue; + } + } + + fclose(infile); + } + for (i = optind; i < argc; i++) { if (ping_host_add (ping, argv[i]) < 0) -- 2.30.2