//--------------------------------------------------------------------------
bool idaapi menu_callback(void *ud)
{
graph_viewer_t *gv = (graph_viewer_t *)ud;
mutable_graph_t *g = get_viewer_graph(gv);
int code = askbuttons_c("Circle", "Tree", "Digraph", 1, "Please select layout type");
bgcolor_t c = 0x44FF55;
set_node_info(g->gid, 7, &c, NULL, "Hello from plugin!");
g->current_layout = code + 2;
g->circle_center = point_t(200, 200);
g->circle_radius = 200;
g->redo_layout();
refresh_viewer(gv);
return true;
}
static void
getNodeList(PGconn *conn)
{
int ii;
PGresult *res;
/* SQL Statement */
static const char *STMT_GET_NODE_INFO = "SELECT NODE_NAME, NODE_TYPE, NODE_PORT, NODE_HOST FROM PGXC_NODE;";
res = PQexec(conn, STMT_GET_NODE_INFO);
if (res == NULL || PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "Could not obtain node list.\n");
PQclear(res);
exit (1);
}
pgxc_clean_node_count = PQntuples(res);
pgxc_clean_node_info = (node_info *)calloc(pgxc_clean_node_count, sizeof(node_info));
if (pgxc_clean_node_info == NULL)
{
fprintf(stderr, "No more memory.\n");
exit(1);
}
for (ii = 0; ii < pgxc_clean_node_count; ii++)
{
char *node_name;
char *node_type_c;
NODE_TYPE node_type;
int port;
char *host;
node_name = strdup(PQgetvalue(res, ii, 0));
node_type_c = strdup(PQgetvalue(res, ii, 1));
switch (node_type_c[0])
{
case 'C':
/* pgxc_clean has to connect to the Coordinator */
node_type = NODE_TYPE_COORD;
if (strcmp(node_name, my_nodename) == 0)
my_nodeidx = ii;
break;
case 'D':
node_type = NODE_TYPE_DATANODE;
break;
default:
fprintf(stderr, "Invalid catalog data (node_type), node_name: %s, node_type: %s\n", node_name, node_type_c);
exit(1);
}
port = atoi(PQgetvalue(res, ii, 2));
host = strdup(PQgetvalue(res, ii, 3));
set_node_info(node_name, port, host, node_type, ii);
if (node_name)
free(node_name);
if (node_type_c)
free(node_type_c);
if (host)
free(host);
}
/* Check if local Coordinator has been found */
if (my_nodeidx == -1)
{
fprintf(stderr, "Failed to identify the coordinator which %s is connecting to. ", progname);
fprintf(stderr, "Connecting to a wrong node.\n");
exit(1);
}
}