cscvs to tla changeset 107

[onak.git] / keydb_db3.c

diff --git a/keydb_db3.c b/keydb_db3.c
index cffdb15c07ef3217caf164cf23cb6c978f1d4dcf..309a29747d81082e4bb834fd9c61707fc1007724 100644 (file)
--- a/keydb_db3.c
+++ b/keydb_db3.c
@@ -4,6 +4,8 @@
  * Jonathan McDowell <noodles@earth.li>
  *
  * Copyright 2002 Project Purple
+ *
+ * $Id: keydb_db3.c,v 1.21 2003/10/03 23:02:04 noodles Exp $
  */
 
 #include <assert.h>
@@ -35,9 +37,14 @@
 static DB_ENV *dbenv = NULL;
 
 /**
- *     dbconn - our connection to the key database.
+ *     numdb - The number of database files we have.
+ */
+static int numdbs = 16;
+
+/**
+ *     dbconn - our connections to the key database files.
  */
-static DB *dbconn = NULL;
+static DB **dbconns = NULL;
 
 /**
  *     worddb - our connection to the word database.
@@ -49,6 +56,15 @@ static DB *worddb = NULL;
  */
 static DB_TXN *txn = NULL;
 
+DB *keydb(uint64_t keyid)
+{
+       uint64_t keytrun;
+
+       keytrun = keyid >> 8;
+
+       return(dbconns[keytrun % numdbs]);
+}
+
 /**
  *     makewordlist - Takes a string and splits it into a set of unique words.
  *     @wordlist: The current word list.
@@ -108,7 +124,29 @@ struct ll *makewordlist(struct ll *wordlist, char *word)
  */
 void initdb(void)
 {
-       int ret = 0;
+       char  buf[1024];
+       FILE *numdb = NULL;
+       int   ret = 0;
+       int   i = 0;
+
+       snprintf(buf, sizeof(buf) - 1, "%s/num_keydb", config.db_dir);
+       numdb = fopen(buf, "r");
+       if (numdb != NULL) {
+               if (fgets(buf, sizeof(buf), numdb) != NULL) {
+                       numdbs = atoi(buf);
+               }
+               fclose(numdb);
+       } else {
+               logthing(LOGTHING_ERROR, "Couldn't open num_keydb: %s",
+                               strerror(errno));
+       }
+
+       dbconns = malloc(sizeof (DB *) * numdbs);
+       if (dbconns == NULL) {
+               logthing(LOGTHING_CRITICAL,
+                               "Couldn't allocate memory for dbconns");
+               exit(1);
+       }
 
        ret = db_env_create(&dbenv, 0);
        if (ret != 0) {
@@ -136,30 +174,33 @@ void initdb(void)
                        0);
        if (ret != 0) {
                logthing(LOGTHING_CRITICAL,
-                               "Erroring opening db environment: %s (%s)",
+                               "Error opening db environment: %s (%s)",
                                config.db_dir,
                                db_strerror(ret));
                exit(1);
        }
 
-       ret = db_create(&dbconn, dbenv, 0);
-       if (ret != 0) {
-               logthing(LOGTHING_CRITICAL,
+       for (i = 0; i < numdbs; i++) {
+               ret = db_create(&dbconns[i], dbenv, 0);
+               if (ret != 0) {
+                       logthing(LOGTHING_CRITICAL,
                                "db_create: %s", db_strerror(ret));
-               exit(1);
-       }
+                       exit(1);
+               }
 
-       ret = dbconn->open(dbconn, "keydb.db", 
+               snprintf(buf, 1023, "keydb.%d.db", i);
+               ret = dbconns[i]->open(dbconns[i], buf,
                        NULL,
                        DB_HASH,
                        DB_CREATE,
                        0664);
-       if (ret != 0) {
-               logthing(LOGTHING_CRITICAL,
+               if (ret != 0) {
+                       logthing(LOGTHING_CRITICAL,
                                "Error opening key database: %s (%s)",
-                               "keydb.db",
+                               buf,
                                db_strerror(ret));
-               exit(1);
+                       exit(1);
+               }
        }
 
        ret = db_create(&worddb, dbenv, 0);
@@ -191,10 +232,15 @@ void initdb(void)
  */
 void cleanupdb(void)
 {
+       int i = 0;
+
+       txn_checkpoint(dbenv, 0, 0, 0);
        worddb->close(worddb, 0);
        worddb = NULL;
-       dbconn->close(dbconn, 0);
-       dbconn = NULL;
+       for (i = 0; i < numdbs; i++) {
+               dbconns[i]->close(dbconns[i], 0);
+               dbconns[i] = NULL;
+       }
        dbenv->close(dbenv, 0);
        dbenv = NULL;
 }
@@ -287,7 +333,7 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
                starttrans();
        }
 
-       ret = dbconn->get(dbconn,
+       ret = keydb(keyid)->get(keydb(keyid),
                        txn,
                        &key,
                        &data,
@@ -298,7 +344,7 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey,
                fetchbuf.offset = 0;
                fetchbuf.size = data.size;
                read_openpgp_stream(buffer_fetchchar, &fetchbuf,
-                               &packets);
+                               &packets, 0);
                parse_keys(packets, publickey);
                free_packet_list(packets);
                packets = NULL;
@@ -502,7 +548,7 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update)
                data.size = storebuf.offset;
                data.data = storebuf.buffer;
 
-               ret = dbconn->put(dbconn,
+               ret = keydb(keyid)->put(keydb(keyid),
                                txn,
                                &key,
                                &data,
@@ -711,7 +757,7 @@ int delete_key(uint64_t keyid, bool intrans)
                key.data = &keyid;
                key.size = sizeof(keyid);
 
-               dbconn->del(dbconn,
+               keydb(keyid)->del(keydb(keyid),
                                txn,
                                &key,
                                0); /* flags */
@@ -736,36 +782,49 @@ int delete_key(uint64_t keyid, bool intrans)
  */
 int dumpdb(char *filenamebase)
 {
-       DBT key, data;
-       DBC *cursor = NULL;
-       int ret = 0;
-       int fd = -1;
+       DBT   key, data;
+       DBC  *cursor = NULL;
+       int   ret = 0;
+       int   fd = -1;
+       int   i = 0;
+       char  filename[1024];
+
+       filename[1023] = 0;
+       for (i = 0; i < numdbs; i++) {
+               ret = dbconns[i]->cursor(dbconns[i],
+                       NULL,
+                       &cursor,
+                       0);   /* flags */
 
-       starttrans();
-       
-       ret = dbconn->cursor(dbconn,
-               txn,
-               &cursor,
-               0);   /* flags */
+               snprintf(filename, 1023, "%s.%d.pgp", filenamebase, i);
+               fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0640);
+               if (fd == -1) {
+                       logthing(LOGTHING_ERROR,
+                               "Error opening keydump file (%s): %s",
+                               filename,
+                               strerror(errno));
+               } else {
+                       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);
+               }
 
-       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);
+               ret = cursor->c_close(cursor);
+               cursor = NULL;
        }
-       logthing(LOGTHING_ERROR, "Problem reading key: %s", db_strerror(ret));
-
-       close(fd);
-
-       ret = cursor->c_close(cursor);
-       cursor = NULL;
-       
-       endtrans();
        
        return 0;
 }