Changeset: 96acfa6e6cb9 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=96acfa6e6cb9
Modified Files:
monetdb5/mal/mal_client.c
monetdb5/mal/mal_client.h
tools/embedded/embedded.c
Branch: embedded
Log Message:
using mal client admin
diffs (173 lines):
diff --git a/monetdb5/mal/mal_client.c b/monetdb5/mal/mal_client.c
--- a/monetdb5/mal/mal_client.c
+++ b/monetdb5/mal/mal_client.c
@@ -588,6 +588,25 @@ MCreadClient(Client c)
return 1;
}
+
+int
+MCvalid(Client tc)
+{
+ Client c;
+ if (tc == NULL) {
+ return 0;
+ }
+ MT_lock_set(&mal_contextLock);
+ for (c = mal_clients; c < mal_clients + MAL_MAXCLIENTS; c++) {
+ if (c == tc && c->mode == RUNCLIENT) {
+ MT_lock_unset(&mal_contextLock);
+ return 1;
+ }
+ }
+ MT_lock_unset(&mal_contextLock);
+ return 0;
+}
+
str
PROFinitClient(Client c){
(void) c;
diff --git a/monetdb5/mal/mal_client.h b/monetdb5/mal/mal_client.h
--- a/monetdb5/mal/mal_client.h
+++ b/monetdb5/mal/mal_client.h
@@ -197,6 +197,7 @@ mal_export void MCcloseClient(Client
mal_export str MCsuspendClient(int id);
mal_export str MCawakeClient(int id);
mal_export int MCpushClientInput(Client c, bstream *new_input, int
listing, char *prompt);
+mal_export int MCvalid(Client c);
mal_export str PROFinitClient(Client c);
mal_export str PROFexitClient(Client c);
diff --git a/tools/embedded/embedded.c b/tools/embedded/embedded.c
--- a/tools/embedded/embedded.c
+++ b/tools/embedded/embedded.c
@@ -47,8 +47,6 @@ typedef void (*mvc_trans_ptr_tpe)(mvc*);
mvc_trans_ptr_tpe mvc_trans_ptr = NULL;
int monetdb_embedded_initialized = 0;
-#define EMBEDDED_MAX_CONNS 64
-static void *monetdb_embedded_connections[EMBEDDED_MAX_CONNS];
static void* lookup_function(char* func) {
void *dl, *fun;
@@ -61,62 +59,32 @@ static void* lookup_function(char* func)
return fun;
}
-static int monetdb_valid_conn(void* conn) {
- int i;
- if (conn == NULL) {
- return 0;
- }
- for (i = 0; i < EMBEDDED_MAX_CONNS; i++) {
- if (conn == monetdb_embedded_connections[i]) {
- return 1;
- }
- }
- return 0;
-}
-
void* monetdb_connect() {
- void **conn = NULL;
- int i;
-
+ Client conn = NULL;
if (!monetdb_embedded_initialized) {
return NULL;
}
-
- for (i = 0; i < EMBEDDED_MAX_CONNS; i++) {
- if (monetdb_embedded_connections[i] == NULL) {
- conn = &monetdb_embedded_connections[i];
- break;
- }
- }
- if (conn == NULL) {
+ conn = MCforkClient(&mal_clients[0]);
+ if (!MCvalid((Client) conn)) {
return NULL;
}
- Client c = MCforkClient(&mal_clients[0]);
- if ((*SQLinitClient_ptr)(c) != MAL_SUCCEED) {
+ if ((*SQLinitClient_ptr)(conn) != MAL_SUCCEED) {
return NULL;
}
- ((backend *) c->sqlcontext)->mvc->session->auto_commit = 1;
- *conn = c;
- return c;
+ ((backend *) conn->sqlcontext)->mvc->session->auto_commit = 1;
+ return conn;
}
void monetdb_disconnect(void* conn) {
- int i;
- if (!monetdb_valid_conn(conn)) {
+ if (!MCvalid((Client) conn)) {
return;
}
- for (i = 0; i < EMBEDDED_MAX_CONNS; i++) {
- if (conn == monetdb_embedded_connections[i]) {
- MCcloseClient((Client) conn);
- monetdb_embedded_connections[i] = NULL;
- return;
- }
- }
+ MCcloseClient((Client) conn);
}
char* monetdb_startup(char* dbdir, char silent) {
opt *set = NULL;
- int setlen = 0, i;
+ int setlen = 0;
str retval = MAL_SUCCEED;
char* sqres = NULL;
void* res = NULL;
@@ -151,10 +119,6 @@ char* monetdb_startup(char* dbdir, char
GDKsetenv("mapi_disable", "true");
GDKsetenv("sql_optimizer", "sequential_pipe");
- for (i = 0; i < EMBEDDED_MAX_CONNS; i++) {
- monetdb_embedded_connections[i] = NULL;
- }
-
if (silent) THRdata[0] = stream_blackhole_create();
msab_dbpathinit(dbdir);
@@ -218,7 +182,7 @@ char* monetdb_query(void* conn, char* qu
if (!monetdb_embedded_initialized) {
return GDKstrdup("Embedded MonetDB is not started");
}
- if (!monetdb_valid_conn(conn)) {
+ if (!MCvalid((Client) conn)) {
return GDKstrdup("Invalid connection");
}
m = ((backend *) c->sqlcontext)->mvc;
@@ -257,9 +221,7 @@ char* monetdb_append(void* conn, const c
str res = MAL_SUCCEED;
VarRecord bat_varrec;
Client c = (Client) conn;
- mvc* m = ((backend *) c->sqlcontext)->mvc;
-
- // TODO: check client pointer
+ mvc* m;
if (!monetdb_embedded_initialized) {
return GDKstrdup("Embedded MonetDB is not started");
@@ -267,9 +229,10 @@ char* monetdb_append(void* conn, const c
if(table == NULL || data == NULL || ncols < 1) {
return GDKstrdup("Invalid parameters");
}
- if (!monetdb_valid_conn(conn)) {
+ if (!MCvalid((Client) conn)) {
return GDKstrdup("Invalid connection");
}
+ m = ((backend *) c->sqlcontext)->mvc;
// very black MAL magic below
mb.var = GDKmalloc(nvar * sizeof(VarRecord*));
@@ -362,4 +325,5 @@ void monetdb_shutdown() {
// clean up global state
BBPresetfarms();
monetdb_embedded_initialized = 0;
+ // TODO: reset all mal clients
}
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