src/common/session.h

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifndef __SESSION_H__
  21 #define __SESSION_H__
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "claws-features.h"
  25 #endif
  26
  27 #include <glib.h>
  28
  29 #include <time.h>
  30 #include <unistd.h>
  31
  32 #include "socket.h"
  33
  34 #define SESSION_BUFFSIZE        4096
  35
  36 typedef struct _Session Session;
  37
  38 #define SESSION(obj)    ((Session *)obj)
  39
  40 typedef enum {
  41         SESSION_UNKNOWN,
  42         SESSION_IMAP,
  43         SESSION_NEWS,
  44         SESSION_SMTP,
  45         SESSION_POP3
  46 } SessionType;
  47
  48 typedef enum {
  49         SESSION_READY,
  50         SESSION_SEND,
  51         SESSION_RECV,
  52         SESSION_EOF,
  53         SESSION_TIMEOUT,
  54         SESSION_ERROR,
  55         SESSION_DISCONNECTED
  56 } SessionState;
  57
  58 typedef gint (*RecvMsgNotify)                   (Session        *session,
  59                                                  const gchar    *msg,
  60                                                  gpointer        user_data);
  61 typedef gint (*RecvDataProgressiveNotify)       (Session        *session,
  62                                                  guint           cur_len,
  63                                                  guint           total_len,
  64                                                  gpointer        user_data);
  65 typedef gint (*RecvDataNotify)                  (Session        *session,
  66                                                  guint           len,
  67                                                  gpointer        user_data);
  68 typedef gint (*SendDataProgressiveNotify)       (Session        *session,
  69                                                  guint           cur_len,
  70                                                  guint           total_len,
  71                                                  gpointer        user_data);
  72 typedef gint (*SendDataNotify)                  (Session        *session,
  73                                                  guint           len,
  74                                                  gpointer        user_data);
  75
  76 struct _Session
  77 {
  78         SessionType type;
  79
  80         SockInfo *sock;
  81
  82         gchar *server;
  83         gushort port;
  84
  85         gboolean nonblocking;
  86
  87         SessionState state;
  88
  89         time_t last_access_time;
  90         GTimeVal tv_prev;
  91
  92         gint conn_id;
  93
  94         gint io_tag;
  95
  96         gchar read_buf[SESSION_BUFFSIZE];
  97         gchar *read_buf_p;
  98         gint read_buf_len;
  99
 100         GString *read_msg_buf;
 101         GByteArray *read_data_buf;
 102         gchar *read_data_terminator;
 103
 104         /* buffer for short messages */
 105         gchar *write_buf;
 106         gchar *write_buf_p;
 107         gint write_buf_len;
 108
 109         /* buffer for large data */
 110         const guchar *write_data;
 111         const guchar *write_data_p;
 112         gint write_data_len;
 113
 114         guint timeout_tag;
 115         guint timeout_interval;
 116
 117         gpointer data;
 118
 119         /* virtual methods to parse server responses */
 120         gint (*recv_msg)                (Session        *session,
 121                                          const gchar    *msg);
 122
 123         void (*connect_finished)        (Session        *session,
 124                                          gboolean       success);
 125         gint (*send_data_finished)      (Session        *session,
 126                                          guint           len);
 127         gint (*recv_data_finished)      (Session        *session,
 128                                          guchar         *data,
 129                                          guint           len);
 130
 131         void (*destroy)                 (Session        *session);
 132
 133         /* notification functions */
 134         RecvMsgNotify                   recv_msg_notify;
 135         RecvDataProgressiveNotify       recv_data_progressive_notify;
 136         RecvDataNotify                  recv_data_notify;
 137         SendDataProgressiveNotify       send_data_progressive_notify;
 138         SendDataNotify                  send_data_notify;
 139
 140         gpointer recv_msg_notify_data;
 141         gpointer recv_data_progressive_notify_data;
 142         gpointer recv_data_notify_data;
 143         gpointer send_data_progressive_notify_data;
 144         gpointer send_data_notify_data;
 145
 146         const void *account;
 147         gboolean is_smtp;
 148         gboolean ssl_cert_auto_accept;
 149         gint ping_tag;
 150
 151 #ifdef USE_GNUTLS
 152         SSLType ssl_type;
 153         gchar *gnutls_priority;
 154 #endif
 155 };
 156
 157 void session_init               (Session        *session,
 158                                  const void     *prefs_account,
 159                                  gboolean        is_smtp);
 160 gint session_connect            (Session        *session,
 161                                  const gchar    *server,
 162                                  gushort         port);
 163 gint session_disconnect         (Session        *session);
 164 void session_destroy            (Session        *session);
 165 gboolean session_is_running     (Session        *session);
 166 gboolean session_is_connected   (Session        *session);
 167
 168 void session_set_access_time    (Session        *session);
 169
 170 void session_set_timeout        (Session        *session,
 171                                  guint           interval);
 172
 173 void session_set_recv_message_notify    (Session        *session,
 174                                          RecvMsgNotify   notify_func,
 175                                          gpointer        data);
 176 void session_set_recv_data_progressive_notify
 177                                         (Session        *session,
 178                                          RecvDataProgressiveNotify notify_func,
 179                                          gpointer        data);
 180 void session_set_recv_data_notify       (Session        *session,
 181                                          RecvDataNotify  notify_func,
 182                                          gpointer        data);
 183 void session_set_send_data_progressive_notify
 184                                         (Session        *session,
 185                                          SendDataProgressiveNotify notify_func,
 186                                          gpointer        data);
 187 void session_set_send_data_notify       (Session        *session,
 188                                          SendDataNotify  notify_func,
 189                                          gpointer        data);
 190
 191 #ifdef USE_GNUTLS
 192 gint session_start_tls  (Session        *session);
 193 #endif
 194
 195 gint session_send_msg   (Session        *session,
 196                          const gchar    *msg);
 197 gint session_recv_msg   (Session        *session);
 198 gint session_send_data  (Session        *session,
 199                          const guchar   *data,
 200                          guint           size);
 201 gint session_recv_data  (Session        *session,
 202                          guint           size,
 203                          const gchar    *terminator);
 204 void session_register_ping(Session *session, gboolean (*ping_cb)(gpointer data));
 205
 206 #endif /* __SESSION_H__ */