3 * Copyright (C) Joerg Lenneis 2003
4 * Copyright (c) Frank Lahm 2009
5 * All Rights Reserved. See COPYING.
10 #endif /* HAVE_CONFIG_H */
17 #include <sys/param.h>
19 #include <sys/select.h>
20 #include <atalk/logger.h>
24 #define DB_PARAM_FN "db_param"
27 static struct db_param params;
30 static size_t usock_maxlen(void)
32 struct sockaddr_un addr;
33 return sizeof(addr.sun_path) - 1;
36 static int make_pathname(char *path, char *dir, char *fn, size_t maxlen)
42 if (len + 1 + strlen(fn) > maxlen)
45 if (path[len - 1] != '/')
49 if (strlen(fn) > maxlen)
56 static void default_params(struct db_param *dbp, char *dir)
58 dbp->logfile_autoremove = DEFAULT_LOGFILE_AUTOREMOVE;
59 dbp->cachesize = DEFAULT_CACHESIZE;
60 dbp->maxlocks = DEFAULT_MAXLOCKS;
61 dbp->maxlockobjs = DEFAULT_MAXLOCKOBJS;
62 dbp->flush_frequency = DEFAULT_FLUSH_FREQUENCY;
63 dbp->flush_interval = DEFAULT_FLUSH_INTERVAL;
64 if (make_pathname(dbp->usock_file, dir, DEFAULT_USOCK_FILE, usock_maxlen()) < 0) {
65 /* Not an error yet, it might be set in the config file */
66 dbp->usock_file[0] = '\0';
68 dbp->fd_table_size = DEFAULT_FD_TABLE_SIZE;
69 if ( dbp->fd_table_size > FD_SETSIZE -1)
70 dbp->fd_table_size = FD_SETSIZE -1;
71 dbp->idle_timeout = DEFAULT_IDLE_TIMEOUT;
76 static int parse_int(char *val)
81 result = strtol(val, &tmp, 10);
83 LOG(log_error, logtype_cnid, "invalid characters in token %s", val);
90 /* TODO: This configuration file reading routine is neither very robust (%s
91 buffer overflow) nor elegant, we need to add support for whitespace in
94 struct db_param *db_param_read(char *dir)
97 static char key[MAXKEYLEN + 1];
98 static char val[MAXPATHLEN + 1];
99 static char pfn[MAXPATHLEN + 1];
102 default_params(¶ms, dir);
105 if (make_pathname(pfn, dir, DB_PARAM_FN, MAXPATHLEN) < 0) {
106 LOG(log_error, logtype_cnid, "Parameter filename too long");
110 if ((fp = fopen(pfn, "r")) == NULL) {
111 if (errno == ENOENT) {
112 if (strlen(params.usock_file) == 0) {
113 LOG(log_error, logtype_cnid, "default usock filename too long");
119 LOG(log_error, logtype_cnid, "error opening %s: %s", pfn, strerror(errno));
125 while ((items = fscanf(fp, " %s %s", key, val)) != EOF) {
127 LOG(log_error, logtype_cnid, "error parsing config file");
132 /* Config for both cnid_meta and dbd */
133 if (! strcmp(key, "usock_file")) {
134 if (make_pathname(params.usock_file, dir, val, usock_maxlen()) < 0) {
135 LOG(log_error, logtype_cnid, "usock filename %s too long", val);
138 LOG(log_info, logtype_cnid, "db_param: setting UNIX domain socket filename to %s", params.usock_file);
141 if (! strcmp(key, "fd_table_size")) {
142 params.fd_table_size = parse_int(val);
143 LOG(log_info, logtype_cnid, "db_param: setting max number of concurrent afpd connections per volume (fd_table_size) to %d", params.fd_table_size);
144 } else if (! strcmp(key, "logfile_autoremove")) {
145 params.logfile_autoremove = parse_int(val);
146 LOG(log_info, logtype_cnid, "db_param: setting logfile_autoremove to %d", params.logfile_autoremove);
147 } else if (! strcmp(key, "cachesize")) {
148 params.cachesize = parse_int(val);
149 LOG(log_info, logtype_cnid, "db_param: setting cachesize to %d", params.cachesize);
150 } else if (! strcmp(key, "maxlocks")) {
151 params.maxlocks = parse_int(val);
152 LOG(log_info, logtype_cnid, "db_param: setting maxlocks to %d", params.maxlocks);
153 } else if (! strcmp(key, "maxlockobjs")) {
154 params.maxlockobjs = parse_int(val);
155 LOG(log_info, logtype_cnid, "db_param: setting maxlockobjs to %d", params.maxlockobjs);
156 } else if (! strcmp(key, "flush_frequency")) {
157 params.flush_frequency = parse_int(val);
158 LOG(log_info, logtype_cnid, "db_param: setting flush_frequency to %d", params.flush_frequency);
159 } else if (! strcmp(key, "flush_interval")) {
160 params.flush_interval = parse_int(val);
161 LOG(log_info, logtype_cnid, "db_param: setting flush_interval to %d", params.flush_interval);
162 } else if (! strcmp(key, "idle_timeout")) {
163 params.idle_timeout = parse_int(val);
164 LOG(log_info, logtype_cnid, "db_param: setting idle timeout to %d", params.idle_timeout);
171 if (strlen(params.usock_file) == 0) {
172 LOG(log_error, logtype_cnid, "default usock filename too long");
179 if (params.flush_frequency <= 0)
180 params.flush_frequency = 86400;
182 if (params.flush_interval <= 0)
183 params.flush_interval = 1000000;
185 if (params.fd_table_size <= 2)
186 params.fd_table_size = 32;
188 if (params.idle_timeout <= 0)
189 params.idle_timeout = 86400;