36f8f6fb024b20cc523cdf9ebde7491eca84fd7c
markd
  Sun Dec 6 20:33:20 2020 -0800
multiple request per connect works except hgBlat

diff --git src/lib/gfNet.c src/lib/gfNet.c
index 9259d14..203e1fc 100644
--- src/lib/gfNet.c
+++ src/lib/gfNet.c
@@ -1,47 +1,80 @@
 /* gfNet.c - Network dependent stuff for blat server. */
 
 /* Copyright (C) 2011 The Regents of the University of California 
  * See README in this or parent directory for licensing information. */
 
 #include "common.h"
 #include "errAbort.h"
 #include "genoFind.h"
 #include "net.h"
 
 
-struct gfConnection *gfMayConnect(char *hostName, char *portName)
+struct gfConnection *gfMayConnect(char *hostName, char *portName, boolean isDynamic)
 /* Start connection with server or return -1. */
 {
 /* Connect to server. */
-int sd = netConnect(hostName, atoi(portName));
+int port = atoi(portName);
+int sd = netConnect(hostName, port);
 // if error, sd == -1
 if (sd < 0)
     return NULL;
 struct gfConnection *conn;
 AllocVar(conn);
 conn->fd = sd;
+conn->hostName = cloneString(hostName);
+conn->port = port;
+conn->isDynamic = isDynamic;
 return conn;
 }
 
-struct gfConnection *gfConnect(char *hostName, char *portName)
+struct gfConnection *gfConnect(char *hostName, char *portName, boolean isDynamic)
 /* Start connection with server. Abort on error. */
 {
 /* Connect to server. */
-struct gfConnection *conn = gfMayConnect(hostName, portName);
+struct gfConnection *conn = gfMayConnect(hostName, portName, isDynamic);
 if (conn == NULL)
     {
     errnoAbort("Sorry, the BLAT/iPCR server seems to be down.  Please try "
-               "again later.");
+               "again later: %s %s", hostName, portName);
     }
 return conn;
 }
 
+void gfBeginRequest(struct gfConnection *conn)
+/* called before a request is started.  If the connect is not open, reopen
+ * it. */
+{
+if (conn->fd < 0)
+    {
+    conn->fd = netConnect(conn->hostName, conn->port);
+    if (conn->fd < 0)
+        errnoAbort("Sorry, the BLAT/iPCR server seems to be down.  Please try "
+                   "again later: %s %d", conn->hostName, conn->port);
+    }
+}
+
+void gfEndRequest(struct gfConnection *conn)
+/* End a request that might be followed by another requests. For
+ * a static server, this closed the connection.  A dynamic server
+ * it is left open. */
+{
+if (!conn->isDynamic)
+    {
+    close(conn->fd);
+    conn->fd = -1;
+    }
+}
+
+
 void gfDisconnect(struct gfConnection **pConn)
 /* Disconnect from server */
 {
-if (*pConn != NULL)
+struct gfConnection *conn = *pConn;
+if (conn != NULL)
     {
-    close((*pConn)->fd);
+    if (conn->fd >= 0)
+        close(conn->fd);
+    freeMem(conn->hostName);
     freez(pConn);
     }
 }