GEN DAQ API  4.0
Controlling GEN Series tethered Mainframes
examples/mainframe.c
/*
* Copyright (C) 2009 HBM Netherlands B.V.
* Schutweg 15a
* 5145 NP Waalwijk
* The Netherlands
* http://www.hbm.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "GEN_DAQ_API.h"
static void confirm_close(void);
static void terminate(const char *format, ...);
int main(void)
{
char* ipaddress = "192.168.1.1";
unsigned short portno = 8006;
GHSConnectionHandle connection = 0;
GHSReturnValue returnCode;
uint32_t serverAPIVersion;
double total;
double available;
int slotCount = 0;
GHSSyncStatus syncStatus = GHSSyncStatus_NotSynced; /* default */
printf("Connecting to %s:%u\n", ipaddress, portno);
/* Connect to the mainframe "localhost" is also possible. */
returnCode = GHSConnect(ipaddress, portno, &connection, &serverAPIVersion);
if (returnCode == GHSReturnValue_APIMismatch)
{
terminate("Failed: client has API version %u, while mainframe has API version %u.\n",
GHSGetClientAPIVersion(), serverAPIVersion);
}
else if (returnCode != GHSReturnValue_OK)
{
terminate("Failed: return code is %d.\n", returnCode);
}
printf("Connected\n");
/* Get total and free disk size. */
returnCode = GHSGetDiskSpace(connection, &total, &available);
if (returnCode != GHSReturnValue_OK)
{
terminate("Failed on GHSGetDiskSpace: return code is %d.\n", returnCode);
}
printf("\nTotal disk space: %.2f GB\n", total);
printf("\nAvailable disk space: %.2f GB\n", available);
/* Get slot count. */
returnCode = GHSGetSlotCount(connection, &slotCount);
if (returnCode != GHSReturnValue_OK)
{
terminate("Failed on GHSGetSlotCount: return code is %d.\n", returnCode);
}
printf("\nSlot count: %d\n", slotCount);
/* Get synchronization status. */
returnCode = GHSGetSyncStatus(connection, &syncStatus);
if (returnCode != GHSReturnValue_OK)
{
terminate("Failed on GHSGetSyncStatus: return code is %d.\n", returnCode);
}
printf("\nSync status: %d\n", syncStatus);
/* Get user mode. */
returnCode = GHSGetUserMode(connection, &currentMode);
if (returnCode != GHSReturnValue_OK)
{
terminate("Failed on GHSGetUserMode: return code is %d.\n", returnCode);
}
/* Set user mode. */
returnCode = GHSSetUserMode(connection, currentMode);
if (returnCode != GHSReturnValue_OK)
{
terminate("Failed on GHSSetUserMode: return code is %d.\n", returnCode);
}
printf("\nUser mode: %d\n", currentMode);
/* Disconnect from the mainframe (this enables Perception or another GHS API client to connect). */
returnCode = GHSDisconnect(connection);
if (returnCode != GHSReturnValue_OK)
{
terminate("Failed on GHSDisconnect: return code is %d.\n", returnCode);
}
printf("Disconnected\n");
confirm_close();
return EXIT_SUCCESS;
}
void confirm_close(void)
{
printf("Press ENTER to close this example program.\n");
(void)getchar();
}
void terminate(const char *format, ...)
{
va_list args;
va_start(args, format);
vprintf(format, args);
va_end(args);
confirm_close();
exit(EXIT_FAILURE);
}