apps/irssi/src/core/rawlog.c

   1 /*
   2  rawlog.c : irssi
   3
   4     Copyright (C) 1999-2000 Timo Sirainen
   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
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU 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  USA
  19 */
  20
  21 #include "module.h"
  22 #include "rawlog.h"
  23 #include "modules.h"
  24 #include "signals.h"
  25 #include "commands.h"
  26 #include "misc.h"
  27 #include "write-buffer.h"
  28 #include "settings.h"
  29
  30 #include "servers.h"
  31
  32 static int rawlog_lines;
  33 static int signal_rawlog;
  34 static int log_file_create_mode;
  35
  36 RAWLOG_REC *rawlog_create(void)
  37 {
  38         RAWLOG_REC *rec;
  39
  40         rec = g_new0(RAWLOG_REC, 1);
  41         return rec;
  42 }
  43
  44 void rawlog_destroy(RAWLOG_REC *rawlog)
  45 {
  46         g_return_if_fail(rawlog != NULL);
  47
  48         g_slist_foreach(rawlog->lines, (GFunc) g_free, NULL);
  49         g_slist_free(rawlog->lines);
  50
  51         if (rawlog->logging) {
  52                 write_buffer_flush();
  53                 close(rawlog->handle);
  54         }
  55         g_free(rawlog);
  56 }
  57
  58 /* NOTE! str must be dynamically allocated and must not be freed after! */
  59 static void rawlog_add(RAWLOG_REC *rawlog, char *str)
  60 {
  61         if (rawlog->nlines < rawlog_lines || rawlog_lines <= 2)
  62                 rawlog->nlines++;
  63         else {
  64                 g_free(rawlog->lines->data);
  65                 rawlog->lines = g_slist_remove(rawlog->lines,
  66                                                rawlog->lines->data);
  67         }
  68
  69         if (rawlog->logging) {
  70                 write_buffer(rawlog->handle, str, strlen(str));
  71                 write_buffer(rawlog->handle, "\n", 1);
  72         }
  73
  74         rawlog->lines = g_slist_append(rawlog->lines, str);
  75         signal_emit_id(signal_rawlog, 2, rawlog, str);
  76 }
  77
  78 void rawlog_input(RAWLOG_REC *rawlog, const char *str)
  79 {
  80         g_return_if_fail(rawlog != NULL);
  81         g_return_if_fail(str != NULL);
  82
  83         rawlog_add(rawlog, g_strdup_printf(">> %s", str));
  84 }
  85
  86 void rawlog_output(RAWLOG_REC *rawlog, const char *str)
  87 {
  88         g_return_if_fail(rawlog != NULL);
  89         g_return_if_fail(str != NULL);
  90
  91         rawlog_add(rawlog, g_strdup_printf("<< %s", str));
  92 }
  93
  94 void rawlog_redirect(RAWLOG_REC *rawlog, const char *str)
  95 {
  96         g_return_if_fail(rawlog != NULL);
  97         g_return_if_fail(str != NULL);
  98
  99         rawlog_add(rawlog, g_strdup_printf("--> %s", str));
 100 }
 101
 102 static void rawlog_dump(RAWLOG_REC *rawlog, int f)
 103 {
 104         GSList *tmp;
 105
 106         for (tmp = rawlog->lines; tmp != NULL; tmp = tmp->next) {
 107                 write(f, tmp->data, strlen((char *) tmp->data));
 108                 write(f, "\n", 1);
 109         }
 110 }
 111
 112 void rawlog_open(RAWLOG_REC *rawlog, const char *fname)
 113 {
 114         char *path;
 115
 116         g_return_if_fail(rawlog != NULL);
 117         g_return_if_fail(fname != NULL);
 118
 119         if (rawlog->logging)
 120                 return;
 121
 122         path = convert_home(fname);
 123         rawlog->handle = open(path, O_WRONLY | O_APPEND | O_CREAT,
 124                               log_file_create_mode);
 125         g_free(path);
 126
 127         rawlog_dump(rawlog, rawlog->handle);
 128         rawlog->logging = rawlog->handle != -1;
 129 }
 130
 131 void rawlog_close(RAWLOG_REC *rawlog)
 132 {
 133         if (rawlog->logging) {
 134                 write_buffer_flush();
 135                 close(rawlog->handle);
 136                 rawlog->logging = 0;
 137         }
 138 }
 139
 140 void rawlog_save(RAWLOG_REC *rawlog, const char *fname)
 141 {
 142         char *path;
 143         int f;
 144
 145         path = convert_home(fname);
 146         f = open(path, O_WRONLY | O_APPEND | O_CREAT, log_file_create_mode);
 147         g_free(path);
 148
 149         rawlog_dump(rawlog, f);
 150         close(f);
 151 }
 152
 153 void rawlog_set_size(int lines)
 154 {
 155         rawlog_lines = lines;
 156 }
 157
 158 static void read_settings(void)
 159 {
 160         rawlog_set_size(settings_get_int("rawlog_lines"));
 161         log_file_create_mode = octal2dec(settings_get_int("log_create_mode"));
 162 }
 163
 164 static void cmd_rawlog(const char *data, SERVER_REC *server, void *item)
 165 {
 166         command_runsub("rawlog", data, server, item);
 167 }
 168
 169 /* SYNTAX: RAWLOG SAVE <file> */
 170 static void cmd_rawlog_save(const char *data, SERVER_REC *server)
 171 {
 172         g_return_if_fail(data != NULL);
 173         if (server == NULL || server->rawlog == NULL)
 174                 cmd_return_error(CMDERR_NOT_CONNECTED);
 175
 176         if (*data == '\0') cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 177         rawlog_save(server->rawlog, data);
 178 }
 179
 180 /* SYNTAX: RAWLOG OPEN <file> */
 181 static void cmd_rawlog_open(const char *data, SERVER_REC *server)
 182 {
 183         g_return_if_fail(data != NULL);
 184         if (server == NULL || server->rawlog == NULL)
 185                 cmd_return_error(CMDERR_NOT_CONNECTED);
 186
 187         if (*data == '\0') cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
 188         rawlog_open(server->rawlog, data);
 189 }
 190
 191 /* SYNTAX: RAWLOG CLOSE */
 192 static void cmd_rawlog_close(const char *data, SERVER_REC *server)
 193 {
 194         g_return_if_fail(data != NULL);
 195         if (server == NULL || server->rawlog == NULL)
 196                 cmd_return_error(CMDERR_NOT_CONNECTED);
 197
 198         rawlog_close(server->rawlog);
 199 }
 200
 201 void rawlog_init(void)
 202 {
 203         signal_rawlog = signal_get_uniq_id("rawlog");
 204
 205         settings_add_int("history", "rawlog_lines", 200);
 206         read_settings();
 207
 208         signal_add("setup changed", (SIGNAL_FUNC) read_settings);
 209
 210         command_bind("rawlog", NULL, (SIGNAL_FUNC) cmd_rawlog);
 211         command_bind("rawlog save", NULL, (SIGNAL_FUNC) cmd_rawlog_save);
 212         command_bind("rawlog open", NULL, (SIGNAL_FUNC) cmd_rawlog_open);
 213         command_bind("rawlog close", NULL, (SIGNAL_FUNC) cmd_rawlog_close);
 214 }
 215
 216 void rawlog_deinit(void)
 217 {
 218         signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
 219
 220         command_unbind("rawlog", (SIGNAL_FUNC) cmd_rawlog);
 221         command_unbind("rawlog save", (SIGNAL_FUNC) cmd_rawlog_save);
 222         command_unbind("rawlog open", (SIGNAL_FUNC) cmd_rawlog_open);
 223         command_unbind("rawlog close", (SIGNAL_FUNC) cmd_rawlog_close);
 224 }