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added client option -a

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This option allows to bind the client's listen interface.
This commit is contained in:
Olaf Bergmann committed 2015-02-14 20:32:54 +01:00
1 parent 99108e82d9
commit 5695e73cbe
1 file changed
+11 -5
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examples/client.c
+11 -5
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@@ -506,11 +506,12 @@ usage( const char *program, const char *version) {
program = ++p;
fprintf( stderr, "%s v%s -- a small CoAP implementation\n"
"(c) 2010-2013 Olaf Bergmann <bergmann@tzi.org>\n\n"
"(c) 2010-2014 Olaf Bergmann <bergmann@tzi.org>\n\n"
"usage: %s [-A type...] [-t type] [-b [num,]size] [-B seconds] [-e text]\n"
"\t\t[-g group] [-m method] [-N] [-o file] [-P addr[:port]] [-p port]\n"
"\t\t[-s duration] [-O num,text] [-T string] [-v num] URI\n\n"
"\t\t[-s duration] [-O num,text] [-T string] [-v num] [-a addr] URI\n\n"
"\tURI can be an absolute or relative coap URI,\n"
"\t-a addr\tthe local interface address to use\n"
"\t-A type...\taccepted media types as comma-separated list of\n"
"\t\t\tsymbolic or numeric values\n"
"\t-t type\t\tcontent type for given resource for PUT/POST\n"
@@ -1020,13 +1021,18 @@ main(int argc, char **argv) {
static str server;
unsigned short port = COAP_DEFAULT_PORT;
char port_str[NI_MAXSERV] = "0";
char node_str[NI_MAXHOST] = "";
int opt, res;
char *group = NULL;
coap_log_t log_level = LOG_WARNING;
coap_tid_t tid = COAP_INVALID_TID;
while ((opt = getopt(argc, argv, "Nb:e:f:g:m:p:s:t:o:v:A:B:O:P:T:")) != -1) {
while ((opt = getopt(argc, argv, "Na:b:e:f:g:m:p:s:t:o:v:A:B:O:P:T:")) != -1) {
switch (opt) {
case 'a' :
strncpy(node_str, optarg, NI_MAXHOST-1);
node_str[NI_MAXHOST - 1] = '\0';
break;
case 'b' :
cmdline_blocksize(optarg);
break;
@@ -1131,13 +1137,13 @@ main(int argc, char **argv) {
addrptr = &dst.addr.sin.sin_addr;
/* create context for IPv4 */
ctx = get_context("0.0.0.0", port_str);
ctx = get_context(node_str[0] == 0 ? "0.0.0.0" : node_str, port_str);
break;
case AF_INET6:
addrptr = &dst.addr.sin6.sin6_addr;
/* create context for IPv6 */
ctx = get_context("::", port_str);
ctx = get_context(node_str[0] == 0 ? "::" : node_str, port_str);
break;
default:
;