void
server::p_join_list(const std::vector<favchannel> &favorites)
{
bool first_item = true; /* determine whether we add commas or not */
bool send_keys = false; /* if none of our channels have keys, we can omit the 'x' fillers altogether */
int len = 9; /* JOIN<space>channels<space>keys\r\n\0 */
std::string chanlist;
std::string keylist;
for (const auto & fav : favorites)
{
len += fav.name.size();
if (fav.key)
{
len += fav.key->size();
}
if (len >= 512) /* command length exceeds the IRC hard limit, flush it and start from scratch */
{
irc_join_list_flush(this, chanlist, keylist, send_keys);
chanlist.clear();
keylist.clear();
len = 9;
first_item = true; /* list dumped, omit commas once again */
send_keys = false; /* also omit keys until we actually find one */
}
if (!first_item)
{
/* This should be done before the length check, but channel names
* are already at least 2 characters long so it would trigger the
* flush anyway.
*/
len += 2;
/* add separators but only if it's not the 1st element */
chanlist.push_back(',');
keylist.push_back(',');
}
chanlist += fav.name;
if (fav.key)
{
keylist += *(fav.key);
send_keys = true;
}
else
{
keylist.push_back('x'); /* 'x' filler for keyless channels so that our JOIN command is always well-formatted */
}
first_item = false;
}
irc_join_list_flush(this, chanlist, keylist, send_keys);
}
static void
irc_join_list (server *serv, GSList *channels, GSList *keys)
{
GSList *clist;
GSList *klist;
GString *c = g_string_new (NULL);
GString *k = g_string_new (NULL);
int len;
int add;
int i, j;
i = j = 0;
len = 9; /* "JOIN<space><space>\r\n" */
clist = channels;
klist = keys;
while (clist)
{
/* measure how many bytes this channel would add... */
if (1)
{
add = strlen (clist->data);
if (i != 0)
add++; /* comma */
}
if (klist->data)
{
add += strlen (klist->data);
}
else
{
add++; /* 'x' filler */
}
if (j != 0)
add++; /* comma */
/* too big? dump buffer and start a fresh one */
if (len + add > 512)
{
irc_join_list_flush (serv, c, k);
c = g_string_new (NULL);
k = g_string_new (NULL);
i = j = 0;
len = 9;
}
/* now actually add it to our GStrings */
if (1)
{
add = strlen (clist->data);
if (i != 0)
{
add++;
g_string_append_c (c, ',');
}
g_string_append (c, clist->data);
i++;
}
if (klist->data)
{
add += strlen (klist->data);
if (j != 0)
{
add++;
g_string_append_c (k, ',');
}
g_string_append (k, klist->data);
j++;
}
else
{
add++;
if (j != 0)
{
add++;
g_string_append_c (k, ',');
}
g_string_append_c (k, 'x');
j++;
}
len += add;
klist = klist->next;
clist = clist->next;
}
irc_join_list_flush (serv, c, k);
}
static void
irc_join_list (server *serv, GSList *favorites)
{
int first_item = 1; /* determine whether we add commas or not */
int send_keys = 0; /* if none of our channels have keys, we can omit the 'x' fillers altogether */
int len = 9; /* JOIN<space>channels<space>keys\r\n\0 */
favchannel *fav;
GString *chanlist = g_string_new (NULL);
GString *keylist = g_string_new (NULL);
GSList *favlist;
favlist = favorites;
while (favlist)
{
fav = favlist->data;
len += strlen (fav->name);
if (fav->key)
{
len += strlen (fav->key);
}
if (len >= 512) /* command length exceeds the IRC hard limit, flush it and start from scratch */
{
irc_join_list_flush (serv, chanlist, keylist, send_keys);
chanlist = g_string_new (NULL);
keylist = g_string_new (NULL);
len = 9;
first_item = 1; /* list dumped, omit commas once again */
send_keys = 0; /* also omit keys until we actually find one */
}
if (!first_item)
{
/* This should be done before the length check, but channel names
* are already at least 2 characters long so it would trigger the
* flush anyway.
*/
len += 2;
/* add separators but only if it's not the 1st element */
g_string_append_c (chanlist, ',');
g_string_append_c (keylist, ',');
}
g_string_append (chanlist, fav->name);
if (fav->key)
{
g_string_append (keylist, fav->key);
send_keys = 1;
}
else
{
g_string_append_c (keylist, 'x'); /* 'x' filler for keyless channels so that our JOIN command is always well-formatted */
}
first_item = 0;
favlist = favlist->next;
}
irc_join_list_flush (serv, chanlist, keylist, send_keys);
g_slist_free (favlist);
}
