cscvs to tla changeset 76

[onak.git] / keydb_db3.c

diff --git a/keydb_db3.c b/keydb_db3.c
index 4d1bcca162acc14948e0e0e29be077170d76c2fb..7ca5312612c5264aaba5fb38124f840cf6cc271b 100644 (file)
--- a/keydb_db3.c
+++ b/keydb_db3.c
@@ -25,6 +25,7 @@
 #include "decodekey.h"
 #include "keystructs.h"
 #include "mem.h"
+#include "log.h"
 #include "onak-conf.h"
 #include "parsekey.h"
 
@@ -107,25 +108,26 @@ struct ll *makewordlist(struct ll *wordlist, char *word)
  */
 void initdb(void)
 {
-       char buf[1024];
        int ret = 0;
 
        ret = db_env_create(&dbenv, 0);
        if (ret != 0) {
-               fprintf(stderr, "db_env_create: %s\n", db_strerror(ret));
+               logthing(LOGTHING_CRITICAL,
+                       "db_env_create: %s", db_strerror(ret));
                exit(1);
        }
 
        /*
-        * This is a bit of a kludge. Either we run a separate process for
-        * deadlock detection or we do this every time we run. What we really
-        * want to do is specify that our locks are exclusive locks when we
-        * start to do an update.
+        * Enable deadlock detection so that we don't block indefinitely on
+        * anything. What we really want is simple 2 state locks, but I'm not
+        * sure how to make the standard DB functions do that yet.
         */
-       ret = lock_detect(dbenv,
-                       0, /* flags */
-                       DB_LOCK_RANDOM,
-                       NULL); /* If non null int* for number broken */
+       ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT);
+       if (ret != 0) {
+               logthing(LOGTHING_CRITICAL,
+                       "db_env_create: %s", db_strerror(ret));
+               exit(1);
+       }
 
        ret = dbenv->open(dbenv, config.db_dir,
                        DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_LOCK |
@@ -133,13 +135,17 @@ void initdb(void)
                        DB_CREATE,
                        0);
        if (ret != 0) {
-               dbenv->err(dbenv, ret, "%s", config.db_dir);
+               logthing(LOGTHING_CRITICAL,
+                               "Erroring opening db environment: %s (%s)",
+                               config.db_dir,
+                               db_strerror(ret));
                exit(1);
        }
 
        ret = db_create(&dbconn, dbenv, 0);
        if (ret != 0) {
-               fprintf(stderr, "db_create: %s\n", db_strerror(ret));
+               logthing(LOGTHING_CRITICAL,
+                               "db_create: %s", db_strerror(ret));
                exit(1);
        }
 
@@ -149,13 +155,16 @@ void initdb(void)
                        DB_CREATE,
                        0664);
        if (ret != 0) {
-               dbconn->err(dbconn, ret, "keydb.db");
+               logthing(LOGTHING_CRITICAL,
+                               "Error opening key database: %s (%s)",
+                               "keydb.db",
+                               db_strerror(ret));
                exit(1);
        }
 
        ret = db_create(&worddb, dbenv, 0);
        if (ret != 0) {
-               fprintf(stderr, "db_create: %s\n", db_strerror(ret));
+               logthing(LOGTHING_CRITICAL, "db_create: %s", db_strerror(ret));
                exit(1);
        }
        ret = worddb->set_flags(worddb, DB_DUP);
@@ -164,7 +173,10 @@ void initdb(void)
                        DB_CREATE,
                        0664);
        if (ret != 0) {
-               worddb->err(worddb, ret, "worddb");
+               logthing(LOGTHING_CRITICAL,
+                               "Error opening word database: %s (%s)",
+                               "worddb",
+                               db_strerror(ret));
                exit(1);
        }
        
@@ -179,6 +191,7 @@ void initdb(void)
  */
 void cleanupdb(void)
 {
+       txn_checkpoint(dbenv, 0, 0, 0);
        worddb->close(worddb, 0);
        worddb = NULL;
        dbconn->close(dbconn, 0);
@@ -198,6 +211,7 @@ bool starttrans(void)
 {
        int ret;
 
+       assert(dbenv != NULL);
        assert(txn == NULL);
 
        ret = txn_begin(dbenv,
@@ -205,7 +219,9 @@ bool starttrans(void)
                &txn,
                0);
        if (ret != 0) {
-               dbenv->err(dbenv, ret, "starttrans():");
+               logthing(LOGTHING_CRITICAL,
+                               "Error starting transaction: %s",
+                               db_strerror(ret));
                exit(1);
        }
 
@@ -221,12 +237,15 @@ void endtrans(void)
 {
        int ret;
 
+       assert(dbenv != NULL);
        assert(txn != NULL);
 
        ret = txn_commit(txn,
                0);
        if (ret != 0) {
-               dbenv->err(dbenv, ret, "endtrans():");
+               logthing(LOGTHING_CRITICAL,
+                               "Error ending transaction: %s",
+                               db_strerror(ret));
                exit(1);
        }
        txn = NULL;
@@ -286,7 +305,9 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
                packets = NULL;
                numkeys++;
        } else if (ret != DB_NOTFOUND) {
-               dbconn->err(dbconn, ret, "Problem retrieving key");
+               logthing(LOGTHING_ERROR,
+                               "Problem retrieving key: %s",
+                               db_strerror(ret));
        }
 
        if (!intrans) {
@@ -488,7 +509,9 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update)
                                &data,
                                0); /* flags*/
                if (ret != 0) {
-                       dbconn->err(dbconn, ret, "Problem storing key");
+                       logthing(LOGTHING_ERROR,
+                                       "Problem storing key: %s",
+                                       db_strerror(ret));
                        if (ret == DB_LOCK_DEADLOCK) {
                                deadlock = true;
                        }
@@ -545,8 +568,9 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update)
                                &data,
                                0);
                        if (ret != 0) {
-                               worddb->err(worddb, ret,
-                                       "Problem storing key");
+                               logthing(LOGTHING_ERROR,
+                                       "Problem storing word: %s",
+                                       db_strerror(ret));
                                if (ret == DB_LOCK_DEADLOCK) {
                                        deadlock = true;
                                }
@@ -652,14 +676,16 @@ int delete_key(uint64_t keyid, bool intrans)
                        if (ret == 0) {
                                ret = cursor->c_del(cursor, 0);
                                if (ret != 0) {
-                                       worddb->err(worddb, ret,
-                                               "Problem deleting word.");
+                                       logthing(LOGTHING_ERROR,
+                                               "Problem deleting word: %s",
+                                               db_strerror(ret));
                                }
                        }
 
                        if (ret != 0) {
-                               worddb->err(worddb, ret,
-                                       "Problem deleting word.");
+                               logthing(LOGTHING_ERROR,
+                                       "Problem deleting word: %s",
+                                       db_strerror(ret));
                                if (ret == DB_LOCK_DEADLOCK) {
                                        deadlock = true;
                                }
@@ -699,6 +725,55 @@ int delete_key(uint64_t keyid, bool intrans)
        return deadlock ? (-1) : (ret == DB_NOTFOUND);
 }
 
+/**
+ *     dumpdb - dump the key database
+ *     @filenamebase: The base filename to use for the dump.
+ *
+ *     Dumps the database into one or more files, which contain pure OpenPGP
+ *     that can be reimported into onak or gpg. filenamebase provides a base
+ *     file name for the dump; several files may be created, all of which will
+ *     begin with this string and then have a unique number and a .pgp
+ *     extension.
+ */
+int dumpdb(char *filenamebase)
+{
+       DBT key, data;
+       DBC *cursor = NULL;
+       int ret = 0;
+       int fd = -1;
+
+       starttrans();
+       
+       ret = dbconn->cursor(dbconn,
+               txn,
+               &cursor,
+               0);   /* flags */
+
+       fd = open(filenamebase, O_CREAT | O_WRONLY | O_TRUNC, 0640);
+       memset(&key, 0, sizeof(key));
+       memset(&data, 0, sizeof(data));
+       ret = cursor->c_get(cursor, &key, &data, DB_NEXT);
+       while (ret == 0) {
+               write(fd, data.data, data.size);
+               memset(&key, 0, sizeof(key));
+               memset(&data, 0, sizeof(data));
+               ret = cursor->c_get(cursor, &key, &data, DB_NEXT);
+       }
+       if (ret != DB_NOTFOUND) {
+               logthing(LOGTHING_ERROR, "Problem reading key: %s",
+                               db_strerror(ret));
+       }
+
+       close(fd);
+
+       ret = cursor->c_close(cursor);
+       cursor = NULL;
+       
+       endtrans();
+       
+       return 0;
+}
+
 /*
  * Include the basic keydb routines.
  */