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Add new topic command ETB, allowing services to set topic+setter+ts always

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(provided channelTS != 0).

ETB is controlled by the EOPMOD capab. Fairly complicated
stuff is needed for older servers.

ETB can come from clients or servers, but at this time it
should only be sent from clients, as otherwise it is not
always possible to update older servers.
This commit is contained in:
Jilles Tjoelker 2009-03-29 17:08:42 +02:00
parent c4d2d01419
commit 2ae93813bd
1 changed files with 123 additions and 1 deletions
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124
modules/m_tb.c
View file

@ -45,13 +45,19 @@
#include "s_serv.h"
static int ms_tb(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
static int ms_etb(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
struct Message tb_msgtab = {
"TB", 0, 0, 0, MFLG_SLOW,
{mg_unreg, mg_ignore, mg_ignore, {ms_tb, 4}, mg_ignore, mg_ignore}
};
mapi_clist_av1 tb_clist[] = { &tb_msgtab, NULL };
struct Message etb_msgtab = {
"ETB", 0, 0, 0, MFLG_SLOW,
{mg_unreg, mg_ignore, {ms_etb, 5}, {ms_etb, 5}, mg_ignore, mg_ignore}
};
mapi_clist_av1 tb_clist[] = { &tb_msgtab, &etb_msgtab, NULL };
DECLARE_MODULE_AV1(tb, NULL, NULL, tb_clist, NULL, NULL, "$Revision: 1349 $");
/* m_tb()
@ -118,3 +124,119 @@ ms_tb(struct Client *client_p, struct Client *source_p, int parc, const char *pa
return 0;
}
/* ms_etb()
*
* parv[1] - channel ts
* parv[2] - channel
* parv[3] - topic ts
* parv[4] - topicwho
* parv[5] - topic
*/
static int
ms_etb(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Channel *chptr;
const char *newtopic;
const char *newtopicwho;
time_t channelts, newtopicts;
struct Client *fakesource_p, *source_server_p;
int textchange, can_use_tb, member;
channelts = atol(parv[1]);
chptr = find_channel(parv[2]);
if(chptr == NULL)
return 0;
newtopicts = atol(parv[3]);
/* Hide connecting server on netburst -- jilles */
if (IsServer(source_p) && ConfigServerHide.flatten_links &&
!HasSentEob(source_p))
fakesource_p = &me;
else
fakesource_p = source_p;
newtopicwho = parv[4];
newtopic = parv[parc - 1];
if(chptr->topic == NULL || chptr->channelts > channelts ||
(chptr->channelts == channelts && chptr->topic_time < newtopicts))
{
textchange = chptr->topic == NULL || strcmp(chptr->topic, newtopic);
can_use_tb = textchange && !EmptyString(newtopic) &&
(chptr->topic == NULL || chptr->topic_time > newtopicts);
set_channel_topic(chptr, newtopic, newtopicwho, newtopicts);
newtopic = chptr->topic ? chptr->topic : "";
if (chptr->topic_info)
newtopicwho = chptr->topic_info;
/* Do not send a textually identical topic to clients,
* but do propagate the new topicts/topicwho to servers.
*/
if(textchange)
sendto_channel_local(ALL_MEMBERS, chptr, ":%s TOPIC %s :%s",
fakesource_p->name, chptr->chname,
newtopic);
/* Propagate channelts as given, because an older channelts
* forces any change.
*/
sendto_server(client_p, chptr, CAP_EOPMOD|CAP_TS6, NOCAPS,
":%s ETB %ld %s %ld %s :%s",
use_id(source_p), (long)channelts, chptr->chname,
(long)newtopicts, newtopicwho, newtopic);
source_server_p = IsServer(source_p) ? source_p : source_p->servptr;
if (can_use_tb)
sendto_server(client_p, chptr, CAP_TB|CAP_TS6, CAP_EOPMOD,
":%s TB %s %ld %s :%s",
use_id(source_server_p),
chptr->chname, (long)newtopicts,
newtopicwho, newtopic);
else if (IsPerson(source_p) && textchange)
{
member = IsMember(source_p, chptr);
if (!member)
sendto_server(client_p, chptr, CAP_TS6, CAP_EOPMOD,
":%s SJOIN %ld %s + :@%s",
use_id(source_server_p),
(long)chptr->channelts,
chptr->chname, use_id(source_p));
if (EmptyString(newtopic) ||
newtopicts >= rb_current_time() - 60)
sendto_server(client_p, chptr, CAP_TS6, CAP_EOPMOD,
":%s TOPIC %s :%s",
use_id(source_p),
chptr->chname, newtopic);
else
{
sendto_server(client_p, chptr, CAP_TS6, CAP_EOPMOD,
":%s TOPIC %s :%s",
use_id(source_p),
chptr->chname, "");
sendto_server(client_p, chptr, CAP_TB|CAP_TS6, CAP_EOPMOD,
":%s TB %s %ld %s :%s",
use_id(source_server_p),
chptr->chname, (long)newtopicts,
newtopicwho, newtopic);
}
if (!member)
sendto_server(client_p, chptr, CAP_TS6, CAP_EOPMOD,
":%s PART %s :Topic set for %s",
use_id(source_p),
chptr->chname, newtopicwho);
}
else if (textchange)
{
/* Should not send :server ETB if not all servers
* support EOPMOD.
*/
sendto_server(client_p, chptr, CAP_TS6, CAP_EOPMOD,
":%s NOTICE %s :*** Notice -- Dropping topic change for %s",
me.id, chptr->chname, chptr->chname);
}
}
return 0;
}