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Build the string list for the mDNS TXT record once in mdns_register

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Instead of rebuilding the string list at every regitration, build it once
and for all in mdns_register().
This commit is contained in:
Julien BLACHE 2009-04-08 16:07:05 +02:00
parent 8718f856df
commit b3b66449bc
1 changed files with 44 additions and 45 deletions
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89
src/mdns_avahi.c
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@ -303,7 +303,7 @@ struct mdns_group_entry
char *name;
char *type;
int port;
char *txt;
AvahiStringList *txt;
struct mdns_group_entry *next;
};
@ -344,11 +344,6 @@ static void
_create_services(void)
{
struct mdns_group_entry *pentry;
AvahiStringList *psl;
unsigned char count;
unsigned char *key;
unsigned char *nextkey;
unsigned char *newtxt;
int ret;
DPRINTF(E_DBG, L_REND, "Creating service group\n");
@ -372,51 +367,14 @@ _create_services(void)
}
}
count = 0;
pentry = group_entries;
while (pentry)
{
DPRINTF(E_DBG, L_REND, "Re-registering %s/%s\n", pentry->name, pentry->type);
/* Build a string list from the "encoded" txt record
* "<len1><record1><len2><record2>...<recordN>\0"
* Length is 1 byte
*/
psl = NULL;
newtxt = (unsigned char *)strdup(pentry->txt);
if (!newtxt)
{
DPRINTF(E_FATAL, L_REND, "Out of memory\n");
return;
}
key = nextkey = newtxt;
if (*nextkey)
count = *nextkey;
DPRINTF(E_DBG, L_REND, "Found key of size %d\n", count);
while ((*nextkey) && (nextkey < (newtxt + strlen(pentry->txt))))
{
key = nextkey + 1;
nextkey += (count + 1);
count = *nextkey;
*nextkey = '\0';
psl = avahi_string_list_add(psl, (char *)key);
DPRINTF(E_DBG, L_REND, "Added key %s\n", key);
*nextkey = count;
}
free(newtxt);
ret = avahi_entry_group_add_service_strlst(mdns_group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0,
avahi_strdup(pentry->name), avahi_strdup(pentry->type),
NULL, NULL, pentry->port, psl);
avahi_string_list_free(psl);
NULL, NULL, pentry->port, pentry->txt);
if (ret < 0)
{
DPRINTF(E_WARN, L_REND, "Could not add mDNS services: %s\n", avahi_strerror(ret));
@ -538,6 +496,11 @@ int
mdns_register(char *name, char *type, int port, char *txt)
{
struct mdns_group_entry *ge;
AvahiStringList *txt_sl;
unsigned char count;
unsigned char *key;
unsigned char *nextkey;
unsigned char *newtxt;
DPRINTF(E_DBG, L_REND, "Adding mDNS service %s/%s\n", name, type);
@ -547,9 +510,45 @@ mdns_register(char *name, char *type, int port, char *txt)
ge->name = strdup(name);
ge->type = strdup(type);
ge->txt = strdup(txt);
ge->port = port;
/* Build a string list from the "encoded" txt record
* "<len1><record1><len2><record2>...<recordN>\0"
* Length is 1 byte
*/
count = 0;
txt_sl = NULL;
newtxt = (unsigned char *)strdup(txt);
if (!newtxt)
{
DPRINTF(E_FATAL, L_REND, "Out of memory\n");
return -1;
}
key = nextkey = newtxt;
if (*nextkey)
count = *nextkey;
DPRINTF(E_DBG, L_REND, "Found key of size %d\n", count);
while ((*nextkey) && (nextkey < (newtxt + strlen(txt))))
{
key = nextkey + 1;
nextkey += (count + 1);
count = *nextkey;
*nextkey = '\0';
txt_sl = avahi_string_list_add(txt_sl, (char *)key);
DPRINTF(E_DBG, L_REND, "Added key %s\n", key);
*nextkey = count;
}
free(newtxt);
ge->txt = txt_sl;
ge->next = group_entries;
group_entries = ge;