1 | /***************************************************************************\ |
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2 | * * |
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3 | * BitlBee - An IRC to IM gateway * |
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4 | * libpurple module - File transfer stuff * |
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5 | * * |
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6 | * Copyright 2009-2010 Wilmer van der Gaast <wilmer@gaast.net> * |
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7 | * * |
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8 | * This program is free software; you can redistribute it and/or modify * |
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9 | * it under the terms of the GNU General Public License as published by * |
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10 | * the Free Software Foundation; either version 2 of the License, or * |
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11 | * (at your option) any later version. * |
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12 | * * |
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13 | * This program is distributed in the hope that it will be useful, * |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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16 | * GNU General Public License for more details. * |
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17 | * * |
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18 | * You should have received a copy of the GNU General Public License along * |
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19 | * with this program; if not, write to the Free Software Foundation, Inc., * |
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20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
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21 | * * |
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22 | \***************************************************************************/ |
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23 | |
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24 | #include "bitlbee.h" |
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25 | |
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26 | #include <stdarg.h> |
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27 | |
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28 | #include <glib.h> |
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29 | #include <purple.h> |
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30 | |
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31 | struct prpl_xfer_data |
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32 | { |
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33 | PurpleXfer *xfer; |
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34 | file_transfer_t *ft; |
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35 | gint ready_timer; |
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36 | char *buf; |
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37 | int buf_len; |
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38 | }; |
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39 | |
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40 | static file_transfer_t *next_ft; |
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41 | |
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42 | struct im_connection *purple_ic_by_pa( PurpleAccount *pa ); |
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43 | |
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44 | /* Glorious hack: We seem to have to remind at least some libpurple plugins |
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45 | that we're ready because this info may get lost if we give it too early. |
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46 | So just do it ten times a second. :-/ */ |
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47 | static gboolean prplcb_xfer_write_request_cb( gpointer data, gint fd, b_input_condition cond ) |
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48 | { |
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49 | struct prpl_xfer_data *px = data; |
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50 | |
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51 | purple_xfer_ui_ready( px->xfer ); |
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52 | |
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53 | return purple_xfer_get_type( px->xfer ) == PURPLE_XFER_RECEIVE; |
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54 | } |
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55 | |
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56 | static gboolean prpl_xfer_write_request( struct file_transfer *ft ) |
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57 | { |
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58 | struct prpl_xfer_data *px = ft->data; |
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59 | px->ready_timer = b_timeout_add( 100, prplcb_xfer_write_request_cb, px ); |
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60 | return TRUE; |
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61 | } |
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62 | |
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63 | static gboolean prpl_xfer_write( struct file_transfer *ft, char *buffer, unsigned int len ) |
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64 | { |
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65 | struct prpl_xfer_data *px = ft->data; |
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66 | |
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67 | px->buf = g_memdup( buffer, len ); |
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68 | px->buf_len = len; |
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69 | |
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70 | //purple_xfer_ui_ready( px->xfer ); |
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71 | px->ready_timer = b_timeout_add( 0, prplcb_xfer_write_request_cb, px ); |
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72 | |
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73 | return TRUE; |
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74 | } |
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75 | |
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76 | static void prpl_xfer_accept( struct file_transfer *ft ) |
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77 | { |
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78 | struct prpl_xfer_data *px = ft->data; |
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79 | purple_xfer_request_accepted( px->xfer, NULL ); |
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80 | prpl_xfer_write_request( ft ); |
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81 | } |
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82 | |
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83 | static void prpl_xfer_canceled( struct file_transfer *ft, char *reason ) |
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84 | { |
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85 | struct prpl_xfer_data *px = ft->data; |
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86 | purple_xfer_request_denied( px->xfer ); |
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87 | } |
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88 | |
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89 | static gboolean prplcb_xfer_new_send_cb( gpointer data, gint fd, b_input_condition cond ) |
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90 | { |
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91 | PurpleXfer *xfer = data; |
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92 | struct im_connection *ic = purple_ic_by_pa( xfer->account ); |
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93 | struct prpl_xfer_data *px = g_new0( struct prpl_xfer_data, 1 ); |
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94 | PurpleBuddy *buddy; |
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95 | const char *who; |
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96 | |
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97 | buddy = purple_find_buddy( xfer->account, xfer->who ); |
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98 | who = buddy ? purple_buddy_get_name( buddy ) : xfer->who; |
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99 | |
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100 | /* TODO(wilmer): After spreading some more const goodness in BitlBee, |
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101 | remove the evil cast below. */ |
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102 | px->ft = imcb_file_send_start( ic, (char*) who, xfer->filename, xfer->size ); |
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103 | px->ft->data = px; |
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104 | px->xfer = data; |
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105 | px->xfer->ui_data = px; |
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106 | |
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107 | px->ft->accept = prpl_xfer_accept; |
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108 | px->ft->canceled = prpl_xfer_canceled; |
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109 | px->ft->write_request = prpl_xfer_write_request; |
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110 | |
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111 | return FALSE; |
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112 | } |
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113 | |
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114 | static void prplcb_xfer_new( PurpleXfer *xfer ) |
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115 | { |
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116 | if( purple_xfer_get_type( xfer ) == PURPLE_XFER_RECEIVE ) |
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117 | { |
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118 | /* This should suppress the stupid file dialog. */ |
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119 | purple_xfer_set_local_filename( xfer, "/tmp/wtf123" ); |
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120 | |
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121 | /* Sadly the xfer struct is still empty ATM so come back after |
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122 | the caller is done. */ |
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123 | b_timeout_add( 0, prplcb_xfer_new_send_cb, xfer ); |
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124 | } |
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125 | else |
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126 | { |
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127 | struct prpl_xfer_data *px = g_new0( struct prpl_xfer_data, 1 ); |
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128 | |
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129 | px->ft = next_ft; |
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130 | px->ft->data = px; |
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131 | px->xfer = xfer; |
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132 | px->xfer->ui_data = px; |
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133 | |
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134 | purple_xfer_set_filename( xfer, px->ft->file_name ); |
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135 | purple_xfer_set_size( xfer, px->ft->file_size ); |
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136 | |
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137 | next_ft = NULL; |
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138 | } |
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139 | } |
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140 | |
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141 | static void prplcb_xfer_progress( PurpleXfer *xfer, double percent ) |
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142 | { |
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143 | fprintf( stderr, "prplcb_xfer_dbg 0x%p %f\n", xfer, percent ); |
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144 | } |
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145 | |
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146 | static void prplcb_xfer_dbg( PurpleXfer *xfer ) |
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147 | { |
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148 | fprintf( stderr, "prplcb_xfer_dbg 0x%p\n", xfer ); |
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149 | } |
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150 | |
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151 | static gssize prplcb_xfer_write( PurpleXfer *xfer, const guchar *buffer, gssize size ) |
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152 | { |
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153 | struct prpl_xfer_data *px = xfer->ui_data; |
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154 | gboolean st; |
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155 | |
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156 | fprintf( stderr, "xfer_write %d %d\n", size, px->buf_len ); |
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157 | |
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158 | b_event_remove( px->ready_timer ); |
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159 | px->ready_timer = 0; |
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160 | |
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161 | st = px->ft->write( px->ft, (char*) buffer, size ); |
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162 | |
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163 | if( st && xfer->bytes_remaining == size ) |
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164 | imcb_file_finished( px->ft ); |
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165 | |
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166 | return st ? size : 0; |
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167 | } |
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168 | |
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169 | gssize prplcb_xfer_read( PurpleXfer *xfer, guchar **buffer, gssize size ) |
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170 | { |
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171 | struct prpl_xfer_data *px = xfer->ui_data; |
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172 | |
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173 | fprintf( stderr, "xfer_read %d %d\n", size, px->buf_len ); |
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174 | |
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175 | if( px->buf ) |
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176 | { |
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177 | *buffer = px->buf; |
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178 | px->buf = NULL; |
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179 | |
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180 | px->ft->write_request( px->ft ); |
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181 | |
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182 | return px->buf_len; |
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183 | } |
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184 | |
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185 | return 0; |
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186 | } |
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187 | |
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188 | PurpleXferUiOps bee_xfer_uiops = |
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189 | { |
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190 | prplcb_xfer_new, |
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191 | prplcb_xfer_dbg, |
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192 | prplcb_xfer_dbg, |
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193 | prplcb_xfer_progress, |
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194 | prplcb_xfer_dbg, |
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195 | prplcb_xfer_dbg, |
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196 | prplcb_xfer_write, |
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197 | prplcb_xfer_read, |
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198 | prplcb_xfer_dbg, |
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199 | }; |
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200 | |
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201 | static gboolean prplcb_xfer_send_cb( gpointer data, gint fd, b_input_condition cond ); |
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202 | |
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203 | void purple_transfer_request( struct im_connection *ic, file_transfer_t *ft, char *handle ) |
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204 | { |
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205 | PurpleAccount *pa = ic->proto_data; |
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206 | struct prpl_xfer_data *px; |
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207 | |
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208 | /* xfer_new() will pick up this variable. It's a hack but we're not |
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209 | multi-threaded anyway. */ |
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210 | next_ft = ft; |
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211 | serv_send_file( purple_account_get_connection( pa ), handle, ft->file_name ); |
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212 | |
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213 | ft->write = prpl_xfer_write; |
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214 | |
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215 | px = ft->data; |
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216 | imcb_file_recv_start( ft ); |
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217 | |
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218 | px->ready_timer = b_timeout_add( 100, prplcb_xfer_send_cb, px ); |
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219 | } |
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220 | |
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221 | static gboolean prplcb_xfer_send_cb( gpointer data, gint fd, b_input_condition cond ) |
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222 | { |
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223 | struct prpl_xfer_data *px = data; |
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224 | |
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225 | if( px->ft->status & FT_STATUS_TRANSFERRING ) |
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226 | { |
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227 | fprintf( stderr, "The ft, it is ready...\n" ); |
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228 | px->ft->write_request( px->ft ); |
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229 | |
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230 | return FALSE; |
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231 | } |
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232 | |
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233 | return TRUE; |
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234 | } |
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