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682be11505
This adds an additional directive to the dnsmasq configuration file that notifies clients via dhcp about the link's MTU. Guests can then choose adjust their link accordingly. Signed-off-by: Casey Callendrello <cdc@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> Signed-off-by: Ján Tomko <jtomko@redhat.com>
153 lines
3.9 KiB
C
153 lines
3.9 KiB
C
#include <config.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include "internal.h"
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#include "testutils.h"
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#include "network_conf.h"
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#include "vircommand.h"
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#include "viralloc.h"
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#include "network/bridge_driver.h"
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#include "virstring.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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static int
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testCompareXMLToConfFiles(const char *inxml, const char *outconf, dnsmasqCapsPtr caps)
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{
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char *actual = NULL;
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int ret = -1;
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virNetworkDefPtr def = NULL;
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virNetworkObjPtr obj = NULL;
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virCommandPtr cmd = NULL;
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char *pidfile = NULL;
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dnsmasqContext *dctx = NULL;
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if (!(def = virNetworkDefParseFile(inxml)))
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goto fail;
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if (!(obj = virNetworkObjNew()))
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goto fail;
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virNetworkObjSetDef(obj, def);
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dctx = dnsmasqContextNew(def->name, "/var/lib/libvirt/dnsmasq");
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if (dctx == NULL)
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goto fail;
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if (networkDnsmasqConfContents(obj, pidfile, &actual, dctx, caps) < 0)
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goto fail;
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/* Any changes to this function ^^ should be reflected here too. */
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#ifndef __linux__
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char * tmp;
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if (!(tmp = virStringReplace(actual,
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"except-interface=lo0\n",
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"except-interface=lo\n")))
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goto fail;
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VIR_FREE(actual);
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VIR_STEAL_PTR(actual, tmp);
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#endif
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if (virTestCompareToFile(actual, outconf) < 0)
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goto fail;
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ret = 0;
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fail:
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VIR_FREE(actual);
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VIR_FREE(pidfile);
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virCommandFree(cmd);
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virNetworkObjEndAPI(&obj);
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dnsmasqContextFree(dctx);
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return ret;
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}
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typedef struct {
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const char *name;
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dnsmasqCapsPtr caps;
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} testInfo;
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static int
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testCompareXMLToConfHelper(const void *data)
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{
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int result = -1;
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const testInfo *info = data;
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char *inxml = NULL;
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char *outconf = NULL;
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if (virAsprintf(&inxml, "%s/networkxml2confdata/%s.xml",
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abs_srcdir, info->name) < 0 ||
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virAsprintf(&outconf, "%s/networkxml2confdata/%s.conf",
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abs_srcdir, info->name) < 0) {
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goto cleanup;
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}
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result = testCompareXMLToConfFiles(inxml, outconf, info->caps);
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cleanup:
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VIR_FREE(inxml);
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VIR_FREE(outconf);
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return result;
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}
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static int
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mymain(void)
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{
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int ret = 0;
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dnsmasqCapsPtr restricted
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= dnsmasqCapsNewFromBuffer("Dnsmasq version 2.48", DNSMASQ);
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dnsmasqCapsPtr full
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= dnsmasqCapsNewFromBuffer("Dnsmasq version 2.63\n--bind-dynamic", DNSMASQ);
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dnsmasqCapsPtr dhcpv6
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= dnsmasqCapsNewFromBuffer("Dnsmasq version 2.64\n--bind-dynamic", DNSMASQ);
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#define DO_TEST(xname, xcaps) \
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do { \
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static testInfo info; \
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\
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info.name = xname; \
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info.caps = xcaps; \
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if (virTestRun("Network XML-2-Conf " xname, \
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testCompareXMLToConfHelper, &info) < 0) { \
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ret = -1; \
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} \
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} while (0)
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DO_TEST("isolated-network", restricted);
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DO_TEST("netboot-network", restricted);
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DO_TEST("netboot-proxy-network", restricted);
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DO_TEST("nat-network-dns-srv-record-minimal", restricted);
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DO_TEST("nat-network-name-with-quotes", restricted);
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DO_TEST("routed-network", full);
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DO_TEST("routed-network-no-dns", full);
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DO_TEST("open-network", full);
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DO_TEST("nat-network", dhcpv6);
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DO_TEST("nat-network-dns-txt-record", full);
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DO_TEST("nat-network-dns-srv-record", full);
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DO_TEST("nat-network-dns-hosts", full);
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DO_TEST("nat-network-dns-forward-plain", full);
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DO_TEST("nat-network-dns-forwarders", full);
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DO_TEST("nat-network-dns-forwarder-no-resolv", full);
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DO_TEST("nat-network-dns-local-domain", full);
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DO_TEST("nat-network-mtu", dhcpv6);
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DO_TEST("dhcp6-network", dhcpv6);
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DO_TEST("dhcp6-nat-network", dhcpv6);
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DO_TEST("dhcp6host-routed-network", dhcpv6);
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DO_TEST("ptr-domains-auto", dhcpv6);
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virObjectUnref(dhcpv6);
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virObjectUnref(full);
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virObjectUnref(restricted);
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return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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VIR_TEST_MAIN(mymain)
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