cscvs to tla changeset 3

[onak.git] / keydb_pg.c

diff --git a/keydb_pg.c b/keydb_pg.c
index d2a2a55c5df6146e9c1f48af1b310b18ca4e57fc..3f519bc88aa5664e4ad7949f48dc38953c7dca7a 100644 (file)
--- a/keydb_pg.c
+++ b/keydb_pg.c
@@ -25,7 +25,7 @@
 #include "keyindex.h"
 #include "keystructs.h"
 #include "mem.h"
-#include "onak_conf.h"
+#include "onak-conf.h"
 #include "parsekey.h"
 
 /**
@@ -44,9 +44,9 @@ static int keydb_fetchchar(void *fd, size_t count, unsigned char *c)
 /**
  *     keydb_putchar - Puts a char to a file.
  */
-static int keydb_putchar(void *fd, unsigned char c)
+static int keydb_putchar(void *fd, size_t count, unsigned char *c)
 {
-       return !(lo_write(dbconn, *(int *) fd, &c, sizeof(c)));
+       return !(lo_write(dbconn, *(int *) fd, c, count));
 }
 
 /**
@@ -87,10 +87,43 @@ void cleanupdb(void)
        dbconn = NULL;
 }
 
+/**
+ *     starttrans - Start a transaction.
+ *
+ *     Start a transaction. Intended to be used if we're about to perform many
+ *     operations on the database to help speed it all up, or if we want
+ *     something to only succeed if all relevant operations are successful.
+ */
+bool starttrans(void)
+{
+       PGresult *result = NULL;
+       
+       result = PQexec(dbconn, "BEGIN");
+       PQclear(result);
+
+       return true;
+}
+
+/**
+ *     endtrans - End a transaction.
+ *
+ *     Ends a transaction.
+ */
+void endtrans(void)
+{
+       PGresult *result = NULL;
+
+       result = PQexec(dbconn, "COMMIT");
+       PQclear(result);
+
+       return;
+}
+
 /**
  *     fetch_key - Given a keyid fetch the key from storage.
  *     @keyid: The keyid to fetch.
  *     @publickey: A pointer to a structure to return the key in.
+ *     @intrans: If we're already in a transaction.
  *
  *     We use the hex representation of the keyid as the filename to fetch the
  *     key from. The key is stored in the file as a binary OpenPGP stream of
@@ -98,7 +131,7 @@ void cleanupdb(void)
  *     in and then parse_keys() to parse the packets into a publickey
  *     structure.
  */
-int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey)
+int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, bool intrans)
 {
        struct openpgp_packet_list *packets = NULL;
        PGresult *result = NULL;
@@ -109,8 +142,10 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey)
        int numkeys = 0;
        Oid key_oid;
 
-       result = PQexec(dbconn, "BEGIN");
-       PQclear(result);
+       if (!intrans) {
+               result = PQexec(dbconn, "BEGIN");
+               PQclear(result);
+       }
        
        if (keyid > 0xFFFFFFFF) {
                snprintf(statement, 1023,
@@ -146,8 +181,10 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey)
 
        PQclear(result);
 
-       result = PQexec(dbconn, "COMMIT");
-       PQclear(result);
+       if (!intrans) {
+               result = PQexec(dbconn, "COMMIT");
+               PQclear(result);
+       }
        return (numkeys);
 }
 
@@ -228,13 +265,16 @@ int fetch_key_text(const char *search, struct openpgp_publickey **publickey)
 /**
  *     store_key - Takes a key and stores it.
  *     @publickey: A pointer to the public key to store.
+ *     @intrans: If we're already in a transaction.
+ *     @update: If true the key exists and should be updated.
  *
  *     Again we just use the hex representation of the keyid as the filename
  *     to store the key to. We flatten the public key to a list of OpenPGP
  *     packets and then use write_openpgp_stream() to write the stream out to
- *     the file.
+ *     the file. If update is true then we delete the old key first, otherwise we
+ *     trust that it doesn't exist.
  */
-int store_key(struct openpgp_publickey *publickey)
+int store_key(struct openpgp_publickey *publickey, bool intrans, bool update)
 {
        struct openpgp_packet_list *packets = NULL;
        struct openpgp_packet_list *list_end = NULL;
@@ -248,6 +288,10 @@ int store_key(struct openpgp_publickey *publickey)
        char *dodgychar = NULL;
        int i;
 
+       if (!intrans) {
+               result = PQexec(dbconn, "BEGIN");
+               PQclear(result);
+       }
 
        /*
         * Delete the key if we already have it.
@@ -257,10 +301,9 @@ int store_key(struct openpgp_publickey *publickey)
         * of difference though - the largest chunk of data is the keydata and
         * it definitely needs updated.
         */
-       delete_key(get_keyid(publickey));
-
-       result = PQexec(dbconn, "BEGIN");
-       PQclear(result);
+       if (update) {
+               delete_key(get_keyid(publickey), true);
+       }
 
        next = publickey->next;
        publickey->next = NULL;
@@ -328,8 +371,10 @@ int store_key(struct openpgp_publickey *publickey)
                }
        }
 
-       result = PQexec(dbconn, "COMMIT");
-       PQclear(result);
+       if (!intrans) {
+               result = PQexec(dbconn, "COMMIT");
+               PQclear(result);
+       }
        
        return 0;
 }
@@ -337,11 +382,12 @@ int store_key(struct openpgp_publickey *publickey)
 /**
  *     delete_key - Given a keyid delete the key from storage.
  *     @keyid: The keyid to delete.
+ *     @intrans: If we're already in a transaction.
  *
  *     This function deletes a public key from whatever storage mechanism we
  *     are using. Returns 0 if the key existed.
  */
-int delete_key(uint64_t keyid)
+int delete_key(uint64_t keyid, bool intrans)
 {
        PGresult *result = NULL;
        char *oids = NULL;
@@ -350,8 +396,10 @@ int delete_key(uint64_t keyid)
        int i;
        Oid key_oid;
 
-       result = PQexec(dbconn, "BEGIN");
-       PQclear(result);
+       if (!intrans) {
+               result = PQexec(dbconn, "BEGIN");
+               PQclear(result);
+       }
        
        snprintf(statement, 1023,
                        "SELECT keydata FROM onak_keys WHERE keyid = '%llX'",
@@ -386,8 +434,10 @@ int delete_key(uint64_t keyid)
 
        PQclear(result);
 
-       result = PQexec(dbconn, "COMMIT");
-       PQclear(result);
+       if (!intrans) {
+               result = PQexec(dbconn, "COMMIT");
+               PQclear(result);
+       }
        return (found);
 }
 
@@ -430,4 +480,5 @@ char *keyid2uid(uint64_t keyid)
  * Include the basic keydb routines.
  */
 #define NEED_GETKEYSIGS 1
+#define NEED_GETFULLKEYID 1
 #include "keydb.c"