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240 lines
5.5 KiB
C
240 lines
5.5 KiB
C
/*
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chat-protocol.c : irssi
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Copyright (C) 2000 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "module.h"
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#include "modules.h"
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#include "signals.h"
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#include "chat-protocols.h"
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#include "chatnets.h"
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#include "servers.h"
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#include "servers-setup.h"
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#include "channels-setup.h"
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GSList *chat_protocols;
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static CHAT_PROTOCOL_REC *default_proto;
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void *chat_protocol_check_cast(void *object, int type_pos, const char *id)
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{
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return object == NULL ||
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chat_protocol_lookup(id) !=
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G_STRUCT_MEMBER(int, object, type_pos) ? NULL : object;
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}
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/* Return the ID for the specified chat protocol. */
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int chat_protocol_lookup(const char *name)
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{
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CHAT_PROTOCOL_REC *rec;
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g_return_val_if_fail(name != NULL, -1);
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rec = chat_protocol_find(name);
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return rec == NULL ? -1 : rec->id;
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}
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CHAT_PROTOCOL_REC *chat_protocol_find(const char *name)
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{
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GSList *tmp;
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g_return_val_if_fail(name != NULL, NULL);
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for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
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CHAT_PROTOCOL_REC *rec = tmp->data;
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if (g_ascii_strcasecmp(rec->name, name) == 0)
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return rec;
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}
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return NULL;
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}
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CHAT_PROTOCOL_REC *chat_protocol_find_id(int id)
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{
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GSList *tmp;
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g_return_val_if_fail(id > 0, NULL);
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for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
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CHAT_PROTOCOL_REC *rec = tmp->data;
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if (rec->id == id)
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return rec;
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}
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return NULL;
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}
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CHAT_PROTOCOL_REC *chat_protocol_find_net(GHashTable *optlist)
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{
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GSList *tmp;
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g_return_val_if_fail(optlist != NULL, NULL);
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for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
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CHAT_PROTOCOL_REC *rec = tmp->data;
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if (rec->chatnet != NULL &&
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g_hash_table_lookup(optlist, rec->chatnet) != NULL)
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return rec;
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}
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return NULL;
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}
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/* Register new chat protocol. */
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CHAT_PROTOCOL_REC *chat_protocol_register(CHAT_PROTOCOL_REC *rec)
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{
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CHAT_PROTOCOL_REC *newrec;
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int created;
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g_return_val_if_fail(rec != NULL, NULL);
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newrec = chat_protocol_find(rec->name);
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created = newrec == NULL;
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if (newrec == NULL) {
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newrec = g_new0(CHAT_PROTOCOL_REC, 1);
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chat_protocols = g_slist_append(chat_protocols, newrec);
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} else {
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/* updating existing protocol */
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g_free(newrec->name);
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}
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memcpy(newrec, rec, sizeof(CHAT_PROTOCOL_REC));
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newrec->id = module_get_uniq_id_str("PROTOCOL", rec->name);
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newrec->name = g_strdup(rec->name);
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if (default_proto == NULL)
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chat_protocol_set_default(newrec);
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if (created)
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signal_emit("chat protocol created", 1, newrec);
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else
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signal_emit("chat protocol updated", 1, newrec);
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return newrec;
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}
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static void chat_protocol_destroy(CHAT_PROTOCOL_REC *rec)
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{
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g_return_if_fail(rec != NULL);
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chat_protocols = g_slist_remove(chat_protocols, rec);
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if (default_proto == rec) {
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chat_protocol_set_default(chat_protocols == NULL ? NULL :
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chat_protocols->data);
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}
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signal_emit("chat protocol destroyed", 1, rec);
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g_free(rec->name);
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g_free(rec);
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}
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/* Unregister chat protocol. */
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void chat_protocol_unregister(const char *name)
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{
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CHAT_PROTOCOL_REC *rec;
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g_return_if_fail(name != NULL);
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rec = chat_protocol_find(name);
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if (rec != NULL) {
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chat_protocol_destroy(rec);
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/* there might still be references to this chat protocol -
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recreate it as a dummy protocol */
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chat_protocol_get_unknown(name);
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}
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}
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/* Default chat protocol to use */
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void chat_protocol_set_default(CHAT_PROTOCOL_REC *rec)
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{
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default_proto = rec;
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}
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CHAT_PROTOCOL_REC *chat_protocol_get_default(void)
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{
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return default_proto;
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}
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static CHATNET_REC *create_chatnet(void)
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{
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return g_new0(CHATNET_REC, 1);
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}
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static SERVER_SETUP_REC *create_server_setup(void)
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{
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return g_new0(SERVER_SETUP_REC, 1);
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}
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static CHANNEL_SETUP_REC *create_channel_setup(void)
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{
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return g_new0(CHANNEL_SETUP_REC, 1);
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}
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static SERVER_CONNECT_REC *create_server_connect(void)
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{
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return g_new0(SERVER_CONNECT_REC, 1);
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}
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static void destroy_server_connect(SERVER_CONNECT_REC *conn)
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{
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}
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/* Return "unknown chat protocol" record. Used when protocol name is
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specified but it isn't registered yet. */
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CHAT_PROTOCOL_REC *chat_protocol_get_unknown(const char *name)
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{
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CHAT_PROTOCOL_REC *rec, *newrec;
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g_return_val_if_fail(name != NULL, NULL);
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rec = chat_protocol_find(name);
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if (rec != NULL)
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return rec;
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rec = g_new0(CHAT_PROTOCOL_REC, 1);
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rec->not_initialized = TRUE;
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rec->name = (char *) name;
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rec->create_chatnet = create_chatnet;
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rec->create_server_setup = create_server_setup;
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rec->create_channel_setup = create_channel_setup;
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rec->create_server_connect = create_server_connect;
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rec->destroy_server_connect = destroy_server_connect;
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newrec = chat_protocol_register(rec);
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g_free(rec);
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return newrec;
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}
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void chat_protocols_init(void)
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{
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default_proto = NULL;
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chat_protocols = NULL;
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}
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void chat_protocols_deinit(void)
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{
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while (chat_protocols != NULL)
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chat_protocol_destroy(chat_protocols->data);
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}
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