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minissdpd/testminissdpd.c: improve large buffer support 

update 122617e5a6
This commit is contained in:
Thomas Bernard 2015-05-27 10:48:05 +02:00
parent 210851edc2
commit a48fbe86f2
2 changed files with 34 additions and 23 deletions
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3
minissdpd/Changelog.txt
View File

@ -1,5 +1,8 @@
$Id: Changelog.txt,v 1.39 2014/12/05 13:42:59 nanard Exp $
2015/05/27:
support larger buffer size (useful for type 3 requests)
VERSION 1.3:
2014/12/05:

54
minissdpd/testminissdpd.c
View File

@ -5,7 +5,6 @@
* copyright (c) 2005-2015 Thomas Bernard
* This software is subjet to the conditions detailed in the
* provided LICENCE file. */
#include "config.h"
#include <unistd.h>
#include <stdio.h>
@ -94,14 +93,14 @@ main(int argc, char * * argv)
char overflow[] = { 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
int s;
int i;
unsigned char buf[RESPONSE_BUFFER_SIZE];
unsigned char chunk[4096];
void * tmp;
unsigned char * resp = NULL;
size_t respsize = 0;
unsigned char buf[4096];
ssize_t n;
int total = 0;
int total = 0;
const char * sockpath = "/var/run/minissdpd.sock";
printf("Response buffer size %d bytes\n", (int)RESPONSE_BUFFER_SIZE);
for(i=0; i<argc-1; i++) {
if(0==strcmp(argv[i], "-s"))
sockpath = argv[++i];
@ -129,26 +128,35 @@ main(int argc, char * * argv)
s = connect_unix_socket(sockpath);
}
chunk[0] = 0; /* Slight hack for printing num devices when 0 */
buf[0] = 0; /* Slight hack for printing num devices when 0 */
SENDCOMMAND(command3, sizeof(command3));
n = read(s, chunk, sizeof(chunk));
n = read(s, buf, sizeof(buf));
printf("Response received %d bytes\n", (int)n);
printf("Number of devices %d\n", (int)chunk[0]);
while (1) {
if (n < (int)sizeof(chunk)) {
if (n > 0) {
memcpy(buf + total, chunk, n);
total += n;
}
break;
}
printf("Number of devices %d\n", (int)buf[0]);
while(n > 0) {
tmp = realloc(resp, respsize + n);
if(tmp == NULL) {
fprintf(stderr, "memory allocation error\n");
break;
}
resp = tmp;
respsize += n;
if (n > 0) {
memcpy(resp + total, buf, n);
total += n;
}
if (n < (ssize_t)sizeof(buf)) {
break;
}
memcpy(buf + total, chunk, n);
total += n;
n = read(s, chunk, sizeof(chunk));
printf("response received %d bytes\n", (int)n);
}
printresponse(buf, total);
n = read(s, buf, sizeof(buf));
printf("response received %d bytes\n", (int)n);
}
if(resp != NULL) {
printresponse(resp, total);
free(resp);
resp = NULL;
}
if(n == 0) {
close(s);
s = connect_unix_socket(sockpath);