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qemuBuildHostNetStr: use type_sep earlier

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When hotplugging networks with ancient QEMUs not supporting
QEMU_CAPS_NETDEV, we use space instead of a comma as the separator
between the network type and other options.

Except for "user", all the network types pass other options
and use up the first separator by the time we get to the section
that adds the alias (or vlan for QEMUs without CAPS_NETDEV).

Since the alias/vlan is mandatory, convert all preceding code to add
the separator at the end, removing the need to rewrite type_sep for
all types but NET_TYPE_USER.
This commit is contained in:
Ján Tomko 2016-10-14 15:16:46 +02:00
parent bdaf5e8098
commit c70c56ded0
1 changed files with 11 additions and 17 deletions
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28
src/qemu/qemu_command.c
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@ -3674,7 +3674,7 @@ qemuBuildHostNetStr(virDomainNetDefPtr net,
/* for one tapfd 'fd=' shall be used, /* for one tapfd 'fd=' shall be used,
* for more than one 'fds=' is the right choice */ * for more than one 'fds=' is the right choice */
if (tapfdSize == 1) { if (tapfdSize == 1) {
virBufferAsprintf(&buf, "fd=%s", tapfd[0]); virBufferAsprintf(&buf, "fd=%s,", tapfd[0]);
} else { } else {
virBufferAddLit(&buf, "fds="); virBufferAddLit(&buf, "fds=");
for (i = 0; i < tapfdSize; i++) { for (i = 0; i < tapfdSize; i++) {
@ -3682,49 +3682,45 @@ qemuBuildHostNetStr(virDomainNetDefPtr net,
virBufferAddChar(&buf, ':'); virBufferAddChar(&buf, ':');
virBufferAdd(&buf, tapfd[i], -1); virBufferAdd(&buf, tapfd[i], -1);
} }
virBufferAddChar(&buf, ',');
} }
type_sep = ',';
is_tap = true; is_tap = true;
break; break;
case VIR_DOMAIN_NET_TYPE_CLIENT: case VIR_DOMAIN_NET_TYPE_CLIENT:
virBufferAsprintf(&buf, "socket%cconnect=%s:%d", virBufferAsprintf(&buf, "socket%cconnect=%s:%d,",
type_sep, type_sep,
net->data.socket.address, net->data.socket.address,
net->data.socket.port); net->data.socket.port);
type_sep = ',';
break; break;
case VIR_DOMAIN_NET_TYPE_SERVER: case VIR_DOMAIN_NET_TYPE_SERVER:
virBufferAsprintf(&buf, "socket%clisten=%s:%d", virBufferAsprintf(&buf, "socket%clisten=%s:%d,",
type_sep, type_sep,
net->data.socket.address ? net->data.socket.address net->data.socket.address ? net->data.socket.address
: "", : "",
net->data.socket.port); net->data.socket.port);
type_sep = ',';
break; break;
case VIR_DOMAIN_NET_TYPE_MCAST: case VIR_DOMAIN_NET_TYPE_MCAST:
virBufferAsprintf(&buf, "socket%cmcast=%s:%d", virBufferAsprintf(&buf, "socket%cmcast=%s:%d,",
type_sep, type_sep,
net->data.socket.address, net->data.socket.address,
net->data.socket.port); net->data.socket.port);
type_sep = ',';
break; break;
case VIR_DOMAIN_NET_TYPE_UDP: case VIR_DOMAIN_NET_TYPE_UDP:
virBufferAsprintf(&buf, "socket%cudp=%s:%d,localaddr=%s:%d", virBufferAsprintf(&buf, "socket%cudp=%s:%d,localaddr=%s:%d,",
type_sep, type_sep,
net->data.socket.address, net->data.socket.address,
net->data.socket.port, net->data.socket.port,
net->data.socket.localaddr, net->data.socket.localaddr,
net->data.socket.localport); net->data.socket.localport);
type_sep = ',';
break; break;
case VIR_DOMAIN_NET_TYPE_USER: case VIR_DOMAIN_NET_TYPE_USER:
case VIR_DOMAIN_NET_TYPE_INTERNAL: case VIR_DOMAIN_NET_TYPE_INTERNAL:
virBufferAddLit(&buf, "user"); virBufferAsprintf(&buf, "user%c", type_sep);
break; break;
case VIR_DOMAIN_NET_TYPE_HOSTDEV: case VIR_DOMAIN_NET_TYPE_HOSTDEV:
@ -3733,12 +3729,11 @@ qemuBuildHostNetStr(virDomainNetDefPtr net,
return NULL; return NULL;
case VIR_DOMAIN_NET_TYPE_VHOSTUSER: case VIR_DOMAIN_NET_TYPE_VHOSTUSER:
virBufferAsprintf(&buf, "vhost-user%cchardev=char%s", virBufferAsprintf(&buf, "vhost-user%cchardev=char%s,",
type_sep, type_sep,
net->info.alias); net->info.alias);
type_sep = ',';
if (net->driver.virtio.queues > 1) if (net->driver.virtio.queues > 1)
virBufferAsprintf(&buf, ",queues=%u", virBufferAsprintf(&buf, "queues=%u,",
net->driver.virtio.queues); net->driver.virtio.queues);
break; break;
@ -3747,13 +3742,12 @@ qemuBuildHostNetStr(virDomainNetDefPtr net,
} }
if (vlan >= 0) { if (vlan >= 0) {
virBufferAsprintf(&buf, "%cvlan=%d", type_sep, vlan); virBufferAsprintf(&buf, "vlan=%d", vlan);
if (net->info.alias) if (net->info.alias)
virBufferAsprintf(&buf, ",name=host%s", virBufferAsprintf(&buf, ",name=host%s",
net->info.alias); net->info.alias);
} else { } else {
virBufferAsprintf(&buf, "%cid=host%s", virBufferAsprintf(&buf, "id=host%s", net->info.alias);
type_sep, net->info.alias);
} }
if (is_tap) { if (is_tap) {