Rearranged the structure of the WINGs subdirectory.

Created Documentation, Examples and Tests subdirectories.

Run update-autoconf after this update.

WINGs/Examples/connect.c

@@ -0,0 +1,209 @@
+/*
+ *  WINGs connect.c: example how to create a network client using WMConnection
+ * 
+ *  Copyright (c) 1999 Dan Pascu
+ * 
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "WINGs.h"
+
+
+
+static int initialized = 0;
+
+
+
+static void didReceiveInput(ConnectionDelegate *self, WMConnection *cPtr);
+
+static void connectionDidDie(ConnectionDelegate *self, WMConnection *cPtr);
+
+static void didInitialize(ConnectionDelegate *self, WMConnection *cPtr);
+
+
+
+static ConnectionDelegate socketDelegate = {
+    NULL,              /* data */
+    NULL,              /* didCatchException */
+    connectionDidDie,  /* didDie */
+    didInitialize,     /* didInitialize */
+    didReceiveInput,   /* didReceiveInput */
+    NULL               /* didTimeout */
+};
+
+
+
+void
+wAbort(Bool foo) /*FOLD00*/
+{
+    exit(1);
+}
+
+
+static char*
+getMessage(WMConnection *cPtr)
+{
+    char *buffer;
+    WMData *aData;
+    int length;
+
+    aData = WMGetConnectionAvailableData(cPtr);
+    if (!aData)
+        return NULL;
+    if ((length=WMGetDataLength(aData))==0) {
+        WMReleaseData(aData);
+        return NULL;
+    }
+
+    buffer = (char*)wmalloc(length+1);
+    WMGetDataBytes(aData, buffer);
+    buffer[length]= '\0';
+    WMReleaseData(aData);
+
+    return buffer;
+}
+
+
+static void
+inputHandler(int fd, int mask, void *clientData)
+{
+    WMConnection *cPtr = (WMConnection*)clientData;
+    WMData *aData;
+    char buf[4096];
+    int n;
+
+    if (!initialized)
+        return;
+
+    n = read(fd, buf, 4096);
+    if (n>0) {
+        aData = WMCreateDataWithBytes(buf, n);
+        WMSendConnectionData(cPtr, aData);
+        WMReleaseData(aData);
+    }
+}
+
+
+static void
+didReceiveInput(ConnectionDelegate *self, WMConnection *cPtr) /*FOLD00*/
+{
+    char *buffer;
+
+    buffer = getMessage(cPtr);
+    if (!buffer) {
+        fprintf(stderr, "Connection closed by peer.\n");
+        exit(0);
+    }
+
+    printf("%s", buffer);
+
+    wfree(buffer);
+}
+
+
+static void
+connectionDidDie(ConnectionDelegate *self, WMConnection *cPtr) /*FOLD00*/
+{
+    WMCloseConnection(cPtr);
+
+    fprintf(stderr, "Connection closed by peer.\n");
+    exit(0);
+}
+
+
+static void
+didInitialize(ConnectionDelegate *self, WMConnection *cPtr)
+{
+    int state = WMGetConnectionState(cPtr);
+    WMHost *host;
+
+    if (state == WCConnected) {
+        host = WMGetHostWithAddress(WMGetConnectionAddress(cPtr));
+        fprintf(stderr, "connected to '%s:%s'\n",
+                host?WMGetHostName(host):WMGetConnectionAddress(cPtr),
+                WMGetConnectionService(cPtr));
+        initialized = 1;
+        if (host)
+            WMReleaseHost(host);
+        return;
+    } else {
+        wsyserrorwithcode(WCErrorCode, "Unable to connect");
+        exit(1);
+    }
+}
+
+
+int
+main(int argc, char **argv) /*FOLD00*/
+{
+    char *ProgName, *host, *port;
+    int i;
+    WMConnection *sPtr;
+
+    wsetabort(wAbort);
+
+    WMInitializeApplication("connect", &argc, argv);
+
+    ProgName = strrchr(argv[0],'/');
+    if (!ProgName)
+        ProgName = argv[0];
+    else
+        ProgName++;
+
+    host = NULL;
+    port = "7000";
+
+    if (argc>1) {
+        for (i=1; i<argc; i++) {
+            if (strcmp(argv[i], "--help")==0 || strcmp(argv[i], "-h")==0) {
+                printf("usage: %s [host [port]]\n\n", ProgName);
+                exit(0);
+            } else {
+                if (!host)
+                    host = argv[i];
+                else
+                    port = argv[i];
+            }
+        }
+    }
+
+    printf("Trying to make connection to '%s:%s'\n",
+           host?host:"localhost", port);
+
+    sPtr = WMCreateConnectionToAddressAndNotify(host, port, NULL);
+    if (!sPtr) {
+        wfatal("could not create connection. exiting");
+        exit(1);
+    }
+
+    WMSetConnectionDelegate(sPtr, &socketDelegate);
+
+    /* watch what user types and send it over the connection */
+    WMAddInputHandler(0, WIReadMask, inputHandler, sPtr);
+
+    while (1) {
+        WHandleEvents();
+    }
+
+    return 0;
+
+}
+
+