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1 /* |
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2 * histolog.c -- File history handling |
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3 * |
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4 * Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net> |
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5 * |
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6 * This program is free software; you can redistribute it and/or modify |
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7 * it under the terms of the GNU General Public License as published by |
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8 * the Free Software Foundation; either version 2 of the License, or (at |
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9 * your option) any later version. |
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10 * |
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11 * This program is distributed in the hope that it will be useful, but |
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 * General Public License for more details. |
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15 * |
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16 * You should have received a copy of the GNU General Public License |
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17 * along with this program; if not, write to the Free Software |
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18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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19 * USA |
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20 */ |
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21 |
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22 #include <string.h> |
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23 #include <stdlib.h> |
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24 #include <time.h> |
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25 #include <ctype.h> |
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26 #include <sys/types.h> |
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27 #include <sys/stat.h> |
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28 #include <fcntl.h> |
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29 |
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30 #include "histolog.h" |
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31 #include "jabglue.h" |
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32 #include "screen.h" |
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33 |
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34 static guint UseFileLogging; |
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35 static guint FileLoadLogs; |
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36 static char *RootDir; |
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37 |
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38 |
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39 // user_histo_file() |
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40 // Returns history filename for the given jid |
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41 // Note: the caller *must* free the filename after use (if not null). |
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42 static char *user_histo_file(const char *jid) |
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43 { |
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44 char *filename; |
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45 if (!UseFileLogging) |
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46 return NULL; |
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47 |
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48 filename = g_new(char, strlen(RootDir) + strlen(jid) + 1); |
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49 strcpy(filename, RootDir); |
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50 strcat(filename, jid); |
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51 return filename; |
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52 } |
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53 |
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54 // write() |
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55 // Adds a history (multi-)line to the jid's history logfile |
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56 static void write_histo_line(const char *jid, |
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57 time_t timestamp, guchar type, guchar info, const char *data) |
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58 { |
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59 guint len = 0; |
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60 FILE *fp; |
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61 time_t ts; |
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62 const char *p; |
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63 char *filename = user_histo_file(jid); |
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64 |
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65 if (!filename) |
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66 return; |
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67 |
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68 // If timestamp is null, get current date |
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69 if (timestamp) |
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70 ts = timestamp; |
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71 else |
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72 time(&ts); |
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73 |
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74 if (!data) |
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75 data = ""; |
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76 |
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77 // Count number of extra lines |
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78 for (p=data ; *p ; p++) |
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79 if (*p == '\n') len++; |
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80 |
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81 /* Line format: "TI DDDDDDDDDD LLL [data]" |
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82 * T=Type, I=Info, DDDDDDDDDD=date, LLL=0-padded-len |
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83 * |
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84 * Types: |
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85 * - M message Info: S (send) R (receive) |
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86 * - S status Info: [oaifdcn] |
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87 * We don't check them, we'll trust the caller. |
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88 */ |
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89 |
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90 fp = fopen(filename, "a"); |
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91 g_free(filename); |
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92 if (!fp) |
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93 return; |
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94 fprintf(fp, "%c%c %10u %03d %s\n", type, info, (unsigned int)ts, len, data); |
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95 fclose(fp); |
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96 } |
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97 |
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98 // hlog_enable() |
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99 // Enable logging to files. If root_dir is NULL, then $HOME/.mcabber is used. |
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100 // If loadfiles is TRUE, we will try to load buddies history logs from file. |
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101 void hlog_enable(guint enable, char *root_dir, guint loadfiles) |
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102 { |
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103 UseFileLogging = enable; |
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104 FileLoadLogs = loadfiles; |
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105 |
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106 if (enable || loadfiles) { |
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107 if (root_dir) { |
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108 int l = strlen(root_dir); |
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109 if (l < 1) { |
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110 scr_LogPrint("root_dir too short"); |
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111 UseFileLogging = FALSE; |
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112 return; |
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113 } |
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114 // RootDir must be slash-terminated |
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115 if (root_dir[l-1] == '/') |
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116 RootDir = g_strdup(root_dir); |
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117 else { |
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118 RootDir = g_new(char, l+2); |
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119 strcpy(RootDir, root_dir); |
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120 strcat(RootDir, "/"); |
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121 } |
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122 } else { |
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123 char *home = getenv("HOME"); |
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124 char *dir = "/.mcabber/histo/"; |
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125 RootDir = g_new(char, strlen(home) + strlen(dir) + 1); |
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126 strcpy(RootDir, home); |
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127 strcat(RootDir, dir); |
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128 } |
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129 // FIXME |
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130 // We should check the directory actually exists |
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131 } else // Disable history logging |
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132 if (RootDir) { |
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133 g_free(RootDir); |
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134 } |
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135 } |
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136 |
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137 inline void hlog_write_message(const char *jid, time_t timestamp, int sent, |
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138 const char *msg) |
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139 { |
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140 write_histo_line(jid, timestamp, 'M', ((sent) ? 'S' : 'R'), msg); |
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141 } |
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142 |
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143 inline void hlog_write_status(const char *jid, time_t timestamp, |
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144 enum imstatus status) |
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145 { |
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146 // #1 XXX Check status value? |
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147 // #2 We could add a user-readable comment |
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148 write_histo_line(jid, timestamp, 'S', toupper(imstatus2char[status]), |
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149 NULL); |
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150 } |
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151 |
