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Annotation of ChivanetAimPidgin/oscarprpl/src/c/misc.c, revision 1.1

1.1     ! snw         1: /*
        !             2:  * Purple's oscar protocol plugin
        !             3:  * This file is the legal property of its developers.
        !             4:  * Please see the AUTHORS file distributed alongside this file.
        !             5:  *
        !             6:  * This library is free software; you can redistribute it and/or
        !             7:  * modify it under the terms of the GNU Lesser General Public
        !             8:  * License as published by the Free Software Foundation; either
        !             9:  * version 2 of the License, or (at your option) any later version.
        !            10:  *
        !            11:  * This library is distributed in the hope that it will be useful,
        !            12:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            14:  * Lesser General Public License for more details.
        !            15:  *
        !            16:  * You should have received a copy of the GNU Lesser General Public
        !            17:  * License along with this library; if not, write to the Free Software
        !            18:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
        !            19: */
        !            20: 
        !            21: /*
        !            22:  * Random stuff.  Basically just a few functions for sending
        !            23:  * simple SNACs, and then the generic error handler.
        !            24:  */
        !            25: 
        !            26: #include "oscar.h"
        !            27: 
        !            28: /*
        !            29:  * Generic routine for sending commands.
        !            30:  *
        !            31:  * I know I can do this in a smarter way...but I'm not thinking straight
        !            32:  * right now...
        !            33:  *
        !            34:  * I had one big function that handled all three cases, but then it broke
        !            35:  * and I split it up into three.  But then I fixed it.  I just never went
        !            36:  * back to the single.  I don't see any advantage to doing it either way.
        !            37:  *
        !            38:  */
        !            39: void
        !            40: aim_genericreq_n(OscarData *od, FlapConnection *conn, guint16 family, guint16 subtype)
        !            41: {
        !            42:        aim_snacid_t snacid = 0x00000000;
        !            43: 
        !            44:        flap_connection_send_snac(od, conn, family, subtype, snacid, NULL);
        !            45: }
        !            46: 
        !            47: void
        !            48: aim_genericreq_n_snacid(OscarData *od, FlapConnection *conn, guint16 family, guint16 subtype)
        !            49: {
        !            50:        aim_snacid_t snacid;
        !            51: 
        !            52:        snacid = aim_cachesnac(od, family, subtype, 0x0000, NULL, 0);
        !            53: 
        !            54:        flap_connection_send_snac(od, conn, family, subtype, snacid, NULL);
        !            55: }
        !            56: 
        !            57: void
        !            58: aim_genericreq_l(OscarData *od, FlapConnection *conn, guint16 family, guint16 subtype, guint32 *longdata)
        !            59: {
        !            60:        ByteStream bs;
        !            61:        aim_snacid_t snacid;
        !            62: 
        !            63:        if (!longdata)
        !            64:        {
        !            65:                aim_genericreq_n(od, conn, family, subtype);
        !            66:                return;
        !            67:        }
        !            68: 
        !            69:        byte_stream_new(&bs, 4);
        !            70: 
        !            71:        snacid = aim_cachesnac(od, family, subtype, 0x0000, NULL, 0);
        !            72: 
        !            73:        byte_stream_put32(&bs, *longdata);
        !            74: 
        !            75:        flap_connection_send_snac(od, conn, family, subtype, snacid, &bs);
        !            76: 
        !            77:        byte_stream_destroy(&bs);
        !            78: }
        !            79: 
        !            80: /*
        !            81:  * Should be generic enough to handle the errors for all groups.
        !            82:  *
        !            83:  */
        !            84: static int
        !            85: generror(OscarData *od, FlapConnection *conn, aim_module_t *mod, FlapFrame *frame, aim_modsnac_t *snac, ByteStream *bs)
        !            86: {
        !            87:        int ret = 0;
        !            88:        int error = 0;
        !            89:        aim_rxcallback_t userfunc;
        !            90:        aim_snac_t *snac2;
        !            91: 
        !            92:        snac2 = aim_remsnac(od, snac->id);
        !            93: 
        !            94:        if (byte_stream_bytes_left(bs))
        !            95:                error = byte_stream_get16(bs);
        !            96: 
        !            97:        if ((userfunc = aim_callhandler(od, snac->family, snac->subtype)))
        !            98:                ret = userfunc(od, conn, frame, error, snac2 ? snac2->data : NULL);
        !            99: 
        !           100:        if (snac2) {
        !           101:                g_free(snac2->data);
        !           102:                g_free(snac2);
        !           103:        }
        !           104: 
        !           105:        return ret;
        !           106: }
        !           107: 
        !           108: static int
        !           109: snachandler(OscarData *od, FlapConnection *conn, aim_module_t *mod, FlapFrame *frame, aim_modsnac_t *snac, ByteStream *bs)
        !           110: {
        !           111:        if (snac->subtype == 0x0001)
        !           112:                return generror(od, conn, mod, frame, snac, bs);
        !           113:        else if ((snac->family == 0xffff) && (snac->subtype == 0xffff)) {
        !           114:                aim_rxcallback_t userfunc;
        !           115: 
        !           116:                if ((userfunc = aim_callhandler(od, snac->family, snac->subtype)))
        !           117:                        return userfunc(od, conn, frame);
        !           118:        }
        !           119: 
        !           120:        return 0;
        !           121: }
        !           122: 
        !           123: int
        !           124: misc_modfirst(OscarData *od, aim_module_t *mod)
        !           125: {
        !           126:        mod->family = 0xffff;
        !           127:        mod->version = 0x0000;
        !           128:        mod->flags = AIM_MODFLAG_MULTIFAMILY;
        !           129:        strncpy(mod->name, "misc", sizeof(mod->name));
        !           130:        mod->snachandler = snachandler;
        !           131: 
        !           132:        return 0;
        !           133: }