can anyone create a simple libvirt program which just starts the domain - c++

Question

virConnectCreateXML doest seem to work for me
i created the following program and compiled it but it seems some linking problems or some kind of problem so i get these error
me.cpp: In function ‘int main(int, char**)’:
me.cpp:21:45: error: ‘virConnectCreateXML’ was not declared in this scope
dom = virConnectCreateXML(conn, xmlconfig, 0);
^
me.cpp:24:5: error: return-statement with no value, in function returning ‘int’ [-fpermissive]
return;
^
me.cpp:26:57: error: ‘virDomainName’ was not declared in this scope
fprintf(stderr, "Guest %s has booted", virDomainName(dom));
^
Program:
/* example ex9.c */
/* compile with: gcc -g -Wall ex9.c -o ex9 -lvirt */
#include <stdio.h>
#include <stdlib.h>
#include <libvirt/libvirt.h>
int main(int argc,char *argv[]){virConnectPtr conn;
char *host;
conn = virConnectOpen("qemu:///system");
if (conn == NULL) {
fprintf(stderr, "Failed to open connection to qemu:///system\n");
return 1;
}
virDomainPtr dom;
const char *xmlconfig = "<domain type='kvm'>
<name>win7</name>
<uuid>3666e50e-c616-42eb-aec8-b7fb1ad5f8f9</uuid>
<memory unit='KiB'>2072576</memory>
<currentMemory unit='KiB'>2072576</currentMemory>
<vcpu placement='static'>2</vcpu>
<os>
<type arch='x86_64' machine='pc-i440fx-2.5'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
<hyperv>
<relaxed state='on'/>
<vapic state='on'/>
<spinlocks state='on' retries='8191'/>
</hyperv>
<vmport state='off'/>
</features>
<cpu mode='host-model'>
<model fallback='allow'/>
</cpu>
<clock offset='localtime'>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='pit' tickpolicy='delay'/>
<timer name='hpet' present='no'/>
<timer name='hypervclock' present='yes'/>
</clock>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<pm>
<suspend-to-mem enabled='no'/>
<suspend-to-disk enabled='no'/>
</pm>
<devices>
<emulator>/usr/sbin/qemu-system-x86_64</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/var/lib/libvirt/images/win7.qcow2'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<source file='/home/dravigon/win7.iso'/>
<target dev='hdb' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='0' target='0' unit='1'/>
</disk>
<controller type='usb' index='0' model='ich9-ehci1'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x7'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci1'>
<master startport='0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0' multifunction='on'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci2'>
<master startport='2'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x1'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci3'>
<master startport='4'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x2'/>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<controller type='virtio-serial' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</controller>
<interface type='direct'>
<mac address='52:54:00:56:27:95'/>
<source dev='enp3s0' mode='bridge'/>
<model type='rtl8139'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<channel type='spicevmc'>
<target type='virtio' name='com.redhat.spice.0'/>
<address type='virtio-serial' controller='0' bus='0' port='1'/>
</channel>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='spice' autoport='yes'>
<image compression='off'/>
</graphics>
<sound model='ich6'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</sound>
<video>
<model type='vga' vram='16384' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<redirdev bus='usb' type='spicevmc'>
</redirdev>
<redirdev bus='usb' type='spicevmc'>
</redirdev>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
</memballoon>
</devices>
</domain>";
dom = virConnectCreateXML(conn, xmlconfig, 0);
if (!dom) {
fprintf(stderr, "Domain creation failed");
return;
}
fprintf(stderr, "Guest %s has booted", virDomainName(dom));
virDomainFree(dom);
virConnectClose(conn);
return 0;
}
help is thanked in advance

Answer 1

yeah found out the problem the functions
virConnectCreateXML
and its relaced by virDomainCreateXML function