Mercurial > ~mikael > mcabber > hg
annotate mcabber/src/histolog.c @ 795:b16acadd7d53
Improve support for long messages
- Up to 10000 lines
- Up to 8 kB (HBB_BLOCKSIZE)
| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Sun, 09 Apr 2006 09:22:40 +0200 |
| parents | 46304b773a44 |
| children | a833f3d6119a |
| rev | line source |
|---|---|
| 110 | 1 /* |
| 699 | 2 * histolog.c -- File history handling |
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3 * |
| 699 | 4 * Copyright (C) 2005, 2006 Mikael Berthe <bmikael@lists.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 | |
| 43 // user_histo_file() | |
| 44 // Returns history filename for the given jid | |
| 45 // Note: the caller *must* free the filename after use (if not null). | |
| 111 | 46 static char *user_histo_file(const char *jid) |
| 110 | 47 { |
| 48 char *filename; | |
| 186 | 49 char *lowerid, *p; |
| 178 | 50 if (!UseFileLogging && !FileLoadLogs) return NULL; |
| 110 | 51 |
| 186 | 52 lowerid = g_strdup(jid); |
| 53 for (p=lowerid; *p ; p++) | |
| 54 *p = tolower(*p); | |
| 55 | |
| 110 | 56 filename = g_new(char, strlen(RootDir) + strlen(jid) + 1); |
| 57 strcpy(filename, RootDir); | |
| 186 | 58 strcat(filename, lowerid); |
| 59 g_free(lowerid); | |
| 110 | 60 return filename; |
| 61 } | |
| 62 | |
| 178 | 63 // write_histo_line() |
| 110 | 64 // Adds a history (multi-)line to the jid's history logfile |
| 113 | 65 static void write_histo_line(const char *jid, |
| 66 time_t timestamp, guchar type, guchar info, const char *data) | |
| 110 | 67 { |
| 68 guint len = 0; | |
| 113 | 69 FILE *fp; |
| 110 | 70 time_t ts; |
| 113 | 71 const char *p; |
| 178 | 72 char *filename; |
| 241 | 73 char str_ts[20]; |
| 273 | 74 int err; |
| 110 | 75 |
| 178 | 76 if (!UseFileLogging) return; |
| 77 | |
| 78 filename = user_histo_file(jid); | |
| 110 | 79 |
| 80 // If timestamp is null, get current date | |
| 81 if (timestamp) | |
| 82 ts = timestamp; | |
| 83 else | |
| 84 time(&ts); | |
| 85 | |
| 86 if (!data) | |
| 87 data = ""; | |
| 88 | |
| 89 // Count number of extra lines | |
| 90 for (p=data ; *p ; p++) | |
| 91 if (*p == '\n') len++; | |
| 92 | |
| 241 | 93 /* Line format: "TI yyyymmddThh:mm:ssZ [data]" |
| 94 * (Old format: "TI DDDDDDDDDD LLL [data])" | |
| 95 * T=Type, I=Info, yyyymmddThh:mm:ssZ=date, LLL=0-padded-len | |
| 110 | 96 * |
| 97 * Types: | |
| 98 * - M message Info: S (send) R (receive) | |
| 352 | 99 * - S status Info: [_oifdna] |
| 110 | 100 * We don't check them, we'll trust the caller. |
| 101 */ | |
| 102 | |
| 113 | 103 fp = fopen(filename, "a"); |
| 155 | 104 g_free(filename); |
| 273 | 105 if (!fp) { |
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106 scr_LogPrint(LPRINT_LOGNORM, "Unable to write history " |
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107 "(cannot open logfile)"); |
| 273 | 108 return; |
| 109 } | |
| 178 | 110 |
| 241 | 111 to_iso8601(str_ts, ts); |
| 273 | 112 err = fprintf(fp, "%c%c %-18.18s %03d %s\n", type, info, str_ts, len, data); |
| 113 | 113 fclose(fp); |
| 273 | 114 if (err < 0) { |
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115 scr_LogPrint(LPRINT_LOGNORM, "Error while writing to log file: %s", |
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116 strerror(errno)); |
| 273 | 117 } |
| 110 | 118 } |
| 119 | |
| 178 | 120 // hlog_read_history() |
| 121 // Reads the jid's history logfile | |
| 122 void hlog_read_history(const char *jid, GList **p_buddyhbuf, guint width) | |
| 123 { | |
| 124 char *filename; | |
| 125 guchar type, info; | |
| 126 char *data, *tail; | |
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127 char *xtext; |
| 184 | 128 time_t timestamp; |
| 129 guint prefix_flags; | |
| 178 | 130 guint len; |
| 131 FILE *fp; | |
| 197 | 132 struct stat bufstat; |
| 193 | 133 guint err = 0; |
| 248 | 134 guint ln = 0; // line number |
| 178 | 135 |
| 136 if (!FileLoadLogs) return; | |
| 137 | |
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138 if ((roster_gettype(jid) & ROSTER_TYPE_ROOM) && |
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139 (settings_opt_get_int("load_muc_logs") != 1)) |
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140 return; |
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141 |
| 178 | 142 data = g_new(char, HBB_BLOCKSIZE+32); |
| 143 if (!data) { | |
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144 scr_LogPrint(LPRINT_LOGNORM, "Not enough memory to read history file"); |
| 178 | 145 return; |
| 146 } | |
| 147 | |
| 148 filename = user_histo_file(jid); | |
| 149 | |
| 150 fp = fopen(filename, "r"); | |
| 151 g_free(filename); | |
| 152 if (!fp) { g_free(data); return; } | |
| 153 | |
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154 // If file is large (> 3MB here), display a message to inform the user |
| 197 | 155 // (it can take a while...) |
| 156 if (!fstat(fileno(fp), &bufstat)) { | |
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157 if (bufstat.st_size > 3145728) |
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158 scr_LogPrint(LPRINT_LOGNORM, "Reading <%s> history file...", jid); |
| 197 | 159 } |
| 160 | |
| 178 | 161 /* See write_histo_line() for line format... */ |
| 162 while (!feof(fp)) { | |
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163 guint dataoffset = 25; |
| 259 | 164 if (fgets(data, HBB_BLOCKSIZE+27, fp) == NULL) break; |
| 248 | 165 ln++; |
| 178 | 166 |
| 167 for (tail = data; *tail; tail++) ; | |
| 168 | |
| 169 type = data[0]; | |
| 170 info = data[1]; | |
| 241 | 171 |
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172 if ((type != 'M' && type != 'S') || |
| 259 | 173 ((data[11] != 'T') || (data[20] != 'Z') || |
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174 (data[21] != ' ') || |
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175 (data[25] != ' ' && data[26] != ' '))) { |
| 193 | 176 if (!err) { |
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177 scr_LogPrint(LPRINT_LOGNORM, |
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178 "Error in history file format (%s), l.%u", jid, ln); |
| 193 | 179 err = 1; |
| 180 } | |
| 186 | 181 continue; |
| 178 | 182 } |
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183 // The number of lines can be written with 3 or 4 bytes. |
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184 if (data[25] != ' ') dataoffset = 26; |
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185 data[21] = data[dataoffset] = 0; |
| 259 | 186 timestamp = from_iso8601(&data[3], 1); |
| 187 len = (guint) atoi(&data[22]); | |
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188 |
| 178 | 189 // Some checks |
| 190 if (((type == 'M') && (info != 'S' && info != 'R')) || | |
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191 ((type == 'I') && (!strchr("OAIFDN", info)))) { |
| 193 | 192 if (!err) { |
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193 scr_LogPrint(LPRINT_LOGNORM, "Error in history file format (%s), l.%u", |
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194 jid, ln); |
| 193 | 195 err = 1; |
| 196 } | |
| 186 | 197 continue; |
| 178 | 198 } |
| 199 | |
| 197 | 200 // XXX This will fail when a message is too big |
| 178 | 201 while (len--) { |
| 248 | 202 ln++; |
| 259 | 203 if (fgets(tail, HBB_BLOCKSIZE+27 - (tail-data), fp) == NULL) |
| 249 | 204 break; |
| 178 | 205 |
| 206 while (*tail) tail++; | |
| 207 } | |
| 248 | 208 // Small check for too long messages |
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209 if (tail >= HBB_BLOCKSIZE+dataoffset+1 + data) { |
| 249 | 210 // Maybe we will have a parse error on next, because this |
| 211 // message is big (maybe too big). | |
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212 scr_LogPrint(LPRINT_LOGNORM, "A message could be too big " |
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213 "in history file..."); |
| 248 | 214 } |
| 251 | 215 // Remove last CR (we keep it if the line is empty, too) |
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216 if ((tail > data+dataoffset+1) && (*(tail-1) == '\n')) |
| 178 | 217 *(tail-1) = 0; |
| 218 | |
| 219 if (type == 'M') { | |
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220 char *converted; |
| 178 | 221 if (info == 'S') |
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222 prefix_flags = HBB_PREFIX_OUT | HBB_PREFIX_HLIGHT; |
| 178 | 223 else |
| 184 | 224 prefix_flags = HBB_PREFIX_IN; |
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225 converted = from_utf8(&data[dataoffset+1]); |
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226 if (converted) { |
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227 xtext = ut_expand_tabs(converted); // Expand tabs |
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228 hbuf_add_line(p_buddyhbuf, xtext, timestamp, prefix_flags, width); |
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229 if (xtext != converted) |
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230 g_free(xtext); |
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231 g_free(converted); |
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232 } |
| 193 | 233 err = 0; |
| 178 | 234 } |
| 235 } | |
| 236 fclose(fp); | |
| 237 g_free(data); | |
| 238 } | |
| 239 | |
| 110 | 240 // hlog_enable() |
| 241 // Enable logging to files. If root_dir is NULL, then $HOME/.mcabber is used. | |
| 177 | 242 // If loadfiles is TRUE, we will try to load buddies history logs from file. |
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243 void hlog_enable(guint enable, const char *root_dir, guint loadfiles) |
| 110 | 244 { |
| 245 UseFileLogging = enable; | |
| 177 | 246 FileLoadLogs = loadfiles; |
| 110 | 247 |
| 177 | 248 if (enable || loadfiles) { |
| 110 | 249 if (root_dir) { |
| 250 int l = strlen(root_dir); | |
| 251 if (l < 1) { | |
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252 scr_LogPrint(LPRINT_LOGNORM, "Error: logging dir name too short"); |
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253 UseFileLogging = FileLoadLogs = FALSE; |
| 110 | 254 return; |
| 255 } | |
| 256 // RootDir must be slash-terminated | |
| 257 if (root_dir[l-1] == '/') | |
| 258 RootDir = g_strdup(root_dir); | |
| 259 else { | |
| 260 RootDir = g_new(char, l+2); | |
| 261 strcpy(RootDir, root_dir); | |
| 262 strcat(RootDir, "/"); | |
| 263 } | |
| 264 } else { | |
| 265 char *home = getenv("HOME"); | |
| 169 | 266 char *dir = "/.mcabber/histo/"; |
| 110 | 267 RootDir = g_new(char, strlen(home) + strlen(dir) + 1); |
| 268 strcpy(RootDir, home); | |
| 269 strcat(RootDir, dir); | |
| 270 } | |
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271 // Check directory permissions (should not be readable by group/others) |
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272 if (checkset_perm(RootDir, TRUE) == -1) { |
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273 // The directory does not actually exists |
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274 g_free(RootDir); |
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275 scr_LogPrint(LPRINT_LOGNORM, "ERROR: Cannot access " |
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276 "history log directory, logging DISABLED"); |
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277 UseFileLogging = FileLoadLogs = FALSE; |
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278 } |
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279 } else { // Disable history logging |
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280 g_free(RootDir); |
| 110 | 281 } |
| 282 } | |
| 283 | |
| 113 | 284 inline void hlog_write_message(const char *jid, time_t timestamp, int sent, |
| 285 const char *msg) | |
| 286 { | |
| 287 write_histo_line(jid, timestamp, 'M', ((sent) ? 'S' : 'R'), msg); | |
| 288 } | |
| 289 | |
| 290 inline void hlog_write_status(const char *jid, time_t timestamp, | |
| 221 | 291 enum imstatus status, const char *status_msg) |
| 113 | 292 { |
| 293 // #1 XXX Check status value? | |
| 294 // #2 We could add a user-readable comment | |
| 295 write_histo_line(jid, timestamp, 'S', toupper(imstatus2char[status]), | |
| 221 | 296 status_msg); |
| 113 | 297 } |
| 298 | |
| 580 | 299 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |