lib-mx/pop-new.c

   1 /*
   2  *  This program is free software; you can redistribute it and/or modify
   3  *  it under the terms of the GNU General Public License as published by
   4  *  the Free Software Foundation; either version 2 of the License, or (at
   5  *  your option) any later version.
   6  *
   7  *  This program is distributed in the hope that it will be useful, but
   8  *  WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  10  *  General Public License for more details.
  11  *
  12  *  You should have received a copy of the GNU General Public License
  13  *  along with this program; if not, write to the Free Software
  14  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  15  *  MA 02110-1301, USA.
  16  */
  17 /*
  18  *  Copyright © 2007 Pierre Habouzit
  19  *  Copyright © 2000-2002 Vsevolod Volkov <vvv@mutt.org.ua>
  20  */
  21
  22 #include <lib-sys/evtloop.h>
  23 #include "pop.h"
  24 #include "account.h"
  25
  26 typedef struct pop_data_t {
  27     int refcnt;
  28     job_t *w;
  29
  30     ACCOUNT account;
  31 } pop_data_t;
  32 DO_INIT(pop_data_t, pop_data);
  33 DO_WIPE(pop_data_t, pop_data);
  34 static void pop_data_delete(pop_data_t **tp);
  35 DO_ARRAY_TYPE(pop_data_t, pop_data);
  36 DO_ARRAY_FUNCS(pop_data_t, pop_data, pop_data_delete);
  37
  38 /****************************************************************************/
  39 /* module                                                                   */
  40 /****************************************************************************/
  41
  42 static pop_data_array conns;
  43
  44 static inline pop_data_t *pop_data_new(void) {
  45     pop_data_t *res = pop_data_init(p_new(pop_data_t, 1));
  46     res->refcnt = 1;
  47     pop_data_array_append(&conns, res);
  48     return res;
  49 }
  50 static inline pop_data_t *pop_data_dup(pop_data_t *t) {
  51     t->refcnt++;
  52     return t;
  53 }
  54 static void pop_data_delete(pop_data_t **tp) {
  55     if (!*tp)
  56         return;
  57     if (--(*tp)->refcnt > 0) {
  58         *tp = NULL;
  59     } else {
  60         for (int i = 0; i < conns.len; i++) {
  61             if (conns.arr[i] == *tp) {
  62                 pop_data_array_take(&conns, i);
  63                 break;
  64             }
  65         }
  66         pop_data_wipe(*tp);
  67         p_delete(tp);
  68     }
  69 }
  70
  71 static __init void pop_initialize(void)
  72 {
  73     pop_data_array_init(&conns);
  74 }
  75 static __fini void pop_shutdown(void)
  76 {
  77     pop_data_array_wipe(&conns);
  78 }
  79
  80 /****************************************************************************/
  81 /* pop3 machine                                                             */
  82 /****************************************************************************/
  83
  84 static int pop_setup(job_t *w, void *cfg)
  85 {
  86     w->ptr = cfg;
  87     /* FIXME */ return el_job_release(w, EL_ERROR);
  88     return 0;
  89 }
  90
  91 static void pop_finalize(job_t *w, el_status reason)
  92 {
  93     pop_data_delete((pop_data_t **)(void *)&w->ptr);
  94 }
  95
  96 static machine_t const pop_machine = {
  97     .name     = "POP3",
  98     .setup    = &pop_setup,
  99     .finalize = &pop_finalize,
 100 };
 101
 102 /****************************************************************************/
 103 /* pop3 mx driver                                                           */
 104 /****************************************************************************/
 105
 106 mx_t const pop_mx_ng = {
 107     .type = M_POP,
 108 };