Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/histolog.c @ 1414:366ef500c522
Update copyrights
| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Sat, 19 Jan 2008 16:30:39 +0100 |
| parents | 06441b6cc23a |
| children | 6fb141142388 |
| rev | line source |
|---|---|
| 110 | 1 /* |
| 699 | 2 * histolog.c -- File history handling |
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3 * |
| 1414 | 4 * Copyright (C) 2005-2008 Mikael Berthe <mikael@lilotux.net> |
| 110 | 5 * |
| 6 * This program is free software; you can redistribute it and/or modify | |
| 7 * it under the terms of the GNU General Public License as published by | |
| 8 * the Free Software Foundation; either version 2 of the License, or (at | |
| 9 * your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program; if not, write to the Free Software | |
| 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
| 19 * USA | |
| 20 */ | |
| 21 | |
| 22 #include <string.h> | |
| 23 #include <stdlib.h> | |
| 24 #include <time.h> | |
| 113 | 25 #include <ctype.h> |
| 26 #include <sys/types.h> | |
| 27 #include <sys/stat.h> | |
| 28 #include <fcntl.h> | |
| 110 | 29 |
| 30 #include "histolog.h" | |
| 178 | 31 #include "hbuf.h" |
| 113 | 32 #include "jabglue.h" |
| 241 | 33 #include "utils.h" |
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34 #include "logprint.h" |
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35 #include "settings.h" |
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36 #include "utils.h" |
| 110 | 37 |
| 38 static guint UseFileLogging; | |
| 177 | 39 static guint FileLoadLogs; |
| 110 | 40 static char *RootDir; |
| 41 | |
| 42 | |
| 1058 | 43 // user_histo_file(jid) |
| 110 | 44 // Returns history filename for the given jid |
| 45 // Note: the caller *must* free the filename after use (if not null). | |
| 1058 | 46 static char *user_histo_file(const char *bjid) |
| 110 | 47 { |
| 48 char *filename; | |
| 1106 | 49 char *lowerid; |
| 50 | |
| 51 if (!(UseFileLogging || FileLoadLogs)) | |
| 52 return NULL; | |
| 110 | 53 |
| 1058 | 54 lowerid = g_strdup(bjid); |
| 1106 | 55 if (!lowerid) |
| 56 return NULL; | |
| 57 mc_strtolower(lowerid); | |
| 186 | 58 |
| 1106 | 59 filename = g_strdup_printf("%s%s", RootDir, lowerid); |
| 186 | 60 g_free(lowerid); |
| 110 | 61 return filename; |
| 62 } | |
| 63 | |
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64 char *hlog_get_log_jid(const char *bjid) |
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65 { |
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66 struct stat bufstat; |
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67 char *path; |
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68 char *log_jid = NULL; |
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69 |
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70 path = user_histo_file(bjid); |
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71 do { |
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72 if (lstat(path, &bufstat) != 0) |
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73 break; |
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74 if (S_ISLNK(bufstat.st_mode)) { |
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75 g_free(log_jid); |
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76 log_jid = g_new(char, bufstat.st_size+1); |
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77 readlink(path, log_jid, bufstat.st_size); |
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78 g_free(path); |
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79 log_jid[bufstat.st_size] = '\0'; |
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80 path = user_histo_file(log_jid); |
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81 } else { |
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82 g_free(path); |
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83 path = NULL; |
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84 } |
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85 } while( path ); |
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86 |
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87 return log_jid; |
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88 } |
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89 |
| 178 | 90 // write_histo_line() |
| 110 | 91 // Adds a history (multi-)line to the jid's history logfile |
| 1058 | 92 static void write_histo_line(const char *bjid, |
| 113 | 93 time_t timestamp, guchar type, guchar info, const char *data) |
| 110 | 94 { |
| 95 guint len = 0; | |
| 113 | 96 FILE *fp; |
| 110 | 97 time_t ts; |
| 113 | 98 const char *p; |
| 178 | 99 char *filename; |
| 241 | 100 char str_ts[20]; |
| 273 | 101 int err; |
| 110 | 102 |
| 1106 | 103 if (!UseFileLogging) |
| 104 return; | |
| 178 | 105 |
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106 // Do not log status messages when 'logging_ignore_status' is set |
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107 if (type == 'S' && settings_opt_get_int("logging_ignore_status")) |
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108 return; |
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109 |
| 1058 | 110 filename = user_histo_file(bjid); |
| 110 | 111 |
| 112 // If timestamp is null, get current date | |
| 113 if (timestamp) | |
| 114 ts = timestamp; | |
| 115 else | |
| 116 time(&ts); | |
| 117 | |
| 118 if (!data) | |
| 119 data = ""; | |
| 120 | |
| 121 // Count number of extra lines | |
| 122 for (p=data ; *p ; p++) | |
| 123 if (*p == '\n') len++; | |
| 124 | |
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125 /* Line format: "TI yyyymmddThh:mm:ssZ LLL [data]" |
| 241 | 126 * T=Type, I=Info, yyyymmddThh:mm:ssZ=date, LLL=0-padded-len |
| 110 | 127 * |
| 128 * Types: | |
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129 * - M message Info: S (send) R (receive) I (info) |
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130 * - S status Info: [_ofdnai] |
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131 * We don't check them, we trust the caller. |
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132 * (Info messages are not sent nor received, they're generated |
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133 * locally by mcabber.) |
| 110 | 134 */ |
| 135 | |
| 113 | 136 fp = fopen(filename, "a"); |
| 155 | 137 g_free(filename); |
| 273 | 138 if (!fp) { |
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139 scr_LogPrint(LPRINT_LOGNORM, "Unable to write history " |
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140 "(cannot open logfile)"); |
| 273 | 141 return; |
| 142 } | |
| 178 | 143 |
| 241 | 144 to_iso8601(str_ts, ts); |
| 273 | 145 err = fprintf(fp, "%c%c %-18.18s %03d %s\n", type, info, str_ts, len, data); |
| 113 | 146 fclose(fp); |
| 273 | 147 if (err < 0) { |
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148 scr_LogPrint(LPRINT_LOGNORM, "Error while writing to log file: %s", |
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149 strerror(errno)); |
| 273 | 150 } |
| 110 | 151 } |
| 152 | |
| 178 | 153 // hlog_read_history() |
| 154 // Reads the jid's history logfile | |
| 1058 | 155 void hlog_read_history(const char *bjid, GList **p_buddyhbuf, guint width) |
| 178 | 156 { |
| 157 char *filename; | |
| 158 guchar type, info; | |
| 159 char *data, *tail; | |
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160 char *xtext; |
| 184 | 161 time_t timestamp; |
| 162 guint prefix_flags; | |
| 178 | 163 guint len; |
| 164 FILE *fp; | |
| 197 | 165 struct stat bufstat; |
| 193 | 166 guint err = 0; |
| 248 | 167 guint ln = 0; // line number |
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168 time_t starttime; |
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169 int max_num_of_blocks; |
| 178 | 170 |
| 1106 | 171 if (!FileLoadLogs) |
| 172 return; | |
| 178 | 173 |
| 1058 | 174 if ((roster_gettype(bjid) & ROSTER_TYPE_ROOM) && |
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175 (settings_opt_get_int("load_muc_logs") != 1)) |
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176 return; |
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177 |
| 178 | 178 data = g_new(char, HBB_BLOCKSIZE+32); |
| 179 if (!data) { | |
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180 scr_LogPrint(LPRINT_LOGNORM, "Not enough memory to read history file"); |
| 178 | 181 return; |
| 182 } | |
| 183 | |
| 1058 | 184 filename = user_histo_file(bjid); |
| 178 | 185 |
| 186 fp = fopen(filename, "r"); | |
| 187 g_free(filename); | |
| 1106 | 188 if (!fp) { |
| 189 g_free(data); | |
| 190 return; | |
| 191 } | |
| 178 | 192 |
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193 // If file is large (> 3MB here), display a message to inform the user |
| 197 | 194 // (it can take a while...) |
| 195 if (!fstat(fileno(fp), &bufstat)) { | |
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196 if (bufstat.st_size > 3145728) { |
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197 scr_LogPrint(LPRINT_NORMAL, "Reading <%s> history file...", bjid); |
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198 scr_DoUpdate(); |
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199 } |
| 197 | 200 } |
| 201 | |
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202 max_num_of_blocks = get_max_history_blocks(); |
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203 |
| 1106 | 204 starttime = 0L; |
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205 if (settings_opt_get_int("max_history_age") > 0) { |
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206 int maxdays = settings_opt_get_int("max_history_age"); |
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207 time(&starttime); |
| 1106 | 208 if (maxdays >= starttime/86400L) |
| 209 starttime = 0L; | |
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210 else |
| 1106 | 211 starttime -= maxdays * 86400L; |
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212 } |
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213 |
| 178 | 214 /* See write_histo_line() for line format... */ |
| 215 while (!feof(fp)) { | |
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216 guint dataoffset = 25; |
| 1106 | 217 |
| 218 if (fgets(data, HBB_BLOCKSIZE+27, fp) == NULL) | |
| 219 break; | |
| 248 | 220 ln++; |
| 178 | 221 |
| 222 for (tail = data; *tail; tail++) ; | |
| 223 | |
| 224 type = data[0]; | |
| 225 info = data[1]; | |
| 241 | 226 |
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227 if ((type != 'M' && type != 'S') || |
| 259 | 228 ((data[11] != 'T') || (data[20] != 'Z') || |
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229 (data[21] != ' ') || |
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230 (data[25] != ' ' && data[26] != ' '))) { |
| 193 | 231 if (!err) { |
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232 scr_LogPrint(LPRINT_LOGNORM, |
| 1058 | 233 "Error in history file format (%s), l.%u", bjid, ln); |
| 193 | 234 err = 1; |
| 235 } | |
| 186 | 236 continue; |
| 178 | 237 } |
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238 // The number of lines can be written with 3 or 4 bytes. |
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239 if (data[25] != ' ') dataoffset = 26; |
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240 data[21] = data[dataoffset] = 0; |
| 259 | 241 timestamp = from_iso8601(&data[3], 1); |
| 242 len = (guint) atoi(&data[22]); | |
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243 |
| 178 | 244 // Some checks |
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245 if (((type == 'M') && (info != 'S' && info != 'R' && info != 'I')) || |
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246 ((type == 'S') && (!strchr("_OFDNAI", info)))) { |
| 193 | 247 if (!err) { |
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248 scr_LogPrint(LPRINT_LOGNORM, "Error in history file format (%s), l.%u", |
| 1058 | 249 bjid, ln); |
| 193 | 250 err = 1; |
| 251 } | |
| 186 | 252 continue; |
| 178 | 253 } |
| 254 | |
| 197 | 255 // XXX This will fail when a message is too big |
| 178 | 256 while (len--) { |
| 248 | 257 ln++; |
| 259 | 258 if (fgets(tail, HBB_BLOCKSIZE+27 - (tail-data), fp) == NULL) |
| 249 | 259 break; |
| 178 | 260 |
| 261 while (*tail) tail++; | |
| 262 } | |
| 248 | 263 // Small check for too long messages |
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264 if (tail >= HBB_BLOCKSIZE+dataoffset+1 + data) { |
| 249 | 265 // Maybe we will have a parse error on next, because this |
| 266 // message is big (maybe too big). | |
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267 scr_LogPrint(LPRINT_LOGNORM, "A message could be too big " |
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268 "in history file..."); |
| 248 | 269 } |
| 251 | 270 // Remove last CR (we keep it if the line is empty, too) |
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271 if ((tail > data+dataoffset+1) && (*(tail-1) == '\n')) |
| 178 | 272 *(tail-1) = 0; |
| 273 | |
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274 // Check if the data is older than max_history_age |
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275 if (starttime) { |
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276 if (timestamp > starttime) |
| 1106 | 277 starttime = 0L; // From now on, load everything |
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278 else |
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279 continue; |
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280 } |
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281 |
| 178 | 282 if (type == 'M') { |
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283 char *converted; |
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284 if (info == 'S') { |
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285 prefix_flags = HBB_PREFIX_OUT | HBB_PREFIX_HLIGHT_OUT; |
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286 } else { |
| 184 | 287 prefix_flags = HBB_PREFIX_IN; |
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288 if (info == 'I') |
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289 prefix_flags = HBB_PREFIX_INFO; |
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290 } |
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291 converted = from_utf8(&data[dataoffset+1]); |
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292 if (converted) { |
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293 xtext = ut_expand_tabs(converted); // Expand tabs |
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294 hbuf_add_line(p_buddyhbuf, xtext, timestamp, prefix_flags, width, |
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295 max_num_of_blocks, 0); |
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296 if (xtext != converted) |
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297 g_free(xtext); |
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298 g_free(converted); |
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299 } |
| 193 | 300 err = 0; |
| 178 | 301 } |
| 302 } | |
| 303 fclose(fp); | |
| 304 g_free(data); | |
| 305 } | |
| 306 | |
| 110 | 307 // hlog_enable() |
| 308 // Enable logging to files. If root_dir is NULL, then $HOME/.mcabber is used. | |
| 177 | 309 // If loadfiles is TRUE, we will try to load buddies history logs from file. |
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310 void hlog_enable(guint enable, const char *root_dir, guint loadfiles) |
| 110 | 311 { |
| 312 UseFileLogging = enable; | |
| 177 | 313 FileLoadLogs = loadfiles; |
| 110 | 314 |
| 177 | 315 if (enable || loadfiles) { |
| 110 | 316 if (root_dir) { |
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317 char *xp_root_dir; |
| 110 | 318 int l = strlen(root_dir); |
| 319 if (l < 1) { | |
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320 scr_LogPrint(LPRINT_LOGNORM, "Error: logging dir name too short"); |
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321 UseFileLogging = FileLoadLogs = FALSE; |
| 110 | 322 return; |
| 323 } | |
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324 xp_root_dir = expand_filename(root_dir); |
| 110 | 325 // RootDir must be slash-terminated |
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326 if (root_dir[l-1] == '/') { |
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327 RootDir = xp_root_dir; |
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328 } else { |
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329 RootDir = g_strdup_printf("%s/", xp_root_dir); |
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330 g_free(xp_root_dir); |
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331 } |
| 110 | 332 } else { |
| 333 char *home = getenv("HOME"); | |
| 1106 | 334 const char *dir = "/.mcabber/histo/"; |
| 335 RootDir = g_strdup_printf("%s%s", home, dir); | |
| 110 | 336 } |
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337 // Check directory permissions (should not be readable by group/others) |
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338 if (checkset_perm(RootDir, TRUE) == -1) { |
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339 // The directory does not actually exists |
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340 g_free(RootDir); |
| 1106 | 341 RootDir = NULL; |
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342 scr_LogPrint(LPRINT_LOGNORM, "ERROR: Cannot access " |
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343 "history log directory, logging DISABLED"); |
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344 UseFileLogging = FileLoadLogs = FALSE; |
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345 } |
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346 } else { // Disable history logging |
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347 g_free(RootDir); |
| 1106 | 348 RootDir = NULL; |
| 110 | 349 } |
| 350 } | |
| 351 | |
| 1058 | 352 inline void hlog_write_message(const char *bjid, time_t timestamp, int sent, |
| 113 | 353 const char *msg) |
| 354 { | |
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355 guchar info; |
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356 /* sent=1 message sent by mcabber |
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357 * sent=0 message received by mcabber |
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358 * sent=-1 local info message |
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359 */ |
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360 if (sent == 1) |
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361 info = 'S'; |
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362 else if (sent == 0) |
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363 info = 'R'; |
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364 else |
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365 info = 'I'; |
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366 write_histo_line(bjid, timestamp, 'M', info, msg); |
| 113 | 367 } |
| 368 | |
| 1058 | 369 inline void hlog_write_status(const char *bjid, time_t timestamp, |
| 221 | 370 enum imstatus status, const char *status_msg) |
| 113 | 371 { |
| 1205 | 372 // XXX Check status value? |
| 1058 | 373 write_histo_line(bjid, timestamp, 'S', toupper(imstatus2char[status]), |
| 221 | 374 status_msg); |
| 113 | 375 } |
| 376 | |
| 580 | 377 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |