qemu: consolidate parameters of qemuBuildChrChardevStr into flags

There are two boolean parameters passed to qemuBuildChrChardevStr,
and soon there will be a third. It will be clearer to understand
from callers' POV if we use named flags instead.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2018-07-04 14:20:40 +01:00
parent 4c76266bac
commit 0140d4c59b
1 changed files with 61 additions and 33 deletions

View File

@ -4935,6 +4935,12 @@ qemuOpenChrChardevUNIXSocket(const virDomainChrSourceDef *dev)
return -1;
}
enum {
QEMU_BUILD_CHARDEV_TCP_NOWAIT = (1 << 0),
QEMU_BUILD_CHARDEV_FILE_LOGD = (1 << 1),
};
/* This function outputs a -chardev command line option which describes only the
* host side of the character device */
static char *
@ -4946,8 +4952,7 @@ qemuBuildChrChardevStr(virLogManagerPtr logManager,
const virDomainChrSourceDef *dev,
const char *alias,
virQEMUCapsPtr qemuCaps,
bool nowait,
bool chardevStdioLogd)
unsigned int flags)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool telnet;
@ -4986,7 +4991,8 @@ qemuBuildChrChardevStr(virLogManagerPtr logManager,
_("append not supported in this QEMU binary"));
goto cleanup;
}
if (qemuBuildChrChardevFileStr(chardevStdioLogd ? logManager : NULL,
if (qemuBuildChrChardevFileStr(flags & QEMU_BUILD_CHARDEV_FILE_LOGD ?
logManager : NULL,
cmd, def, &buf,
"path", dev->data.file.path,
"append", dev->data.file.append) < 0)
@ -5032,8 +5038,11 @@ qemuBuildChrChardevStr(virLogManagerPtr logManager,
dev->data.tcp.service,
telnet ? ",telnet" : "");
if (dev->data.tcp.listen)
virBufferAdd(&buf, nowait ? ",server,nowait" : ",server", -1);
if (dev->data.tcp.listen) {
virBufferAddLit(&buf, ",server");
if (flags & QEMU_BUILD_CHARDEV_TCP_NOWAIT)
virBufferAddLit(&buf, ",nowait");
}
qemuBuildChrChardevReconnectStr(&buf, &dev->data.tcp.reconnect);
@ -5091,8 +5100,11 @@ qemuBuildChrChardevStr(virLogManagerPtr logManager,
virBufferAsprintf(&buf, "socket,id=%s,path=", charAlias);
virQEMUBuildBufferEscapeComma(&buf, dev->data.nix.path);
}
if (dev->data.nix.listen)
virBufferAdd(&buf, nowait ? ",server,nowait" : ",server", -1);
if (dev->data.nix.listen) {
virBufferAddLit(&buf, ",server");
if (flags & QEMU_BUILD_CHARDEV_TCP_NOWAIT)
virBufferAddLit(&buf, ",nowait");
}
qemuBuildChrChardevReconnectStr(&buf, &dev->data.nix.reconnect);
break;
@ -5426,6 +5438,9 @@ qemuBuildMonitorCommandLine(virLogManagerPtr logManager,
qemuDomainObjPrivatePtr priv)
{
char *chrdev;
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (priv->chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
if (!priv->monConfig)
return 0;
@ -5433,8 +5448,7 @@ qemuBuildMonitorCommandLine(virLogManagerPtr logManager,
if (!(chrdev = qemuBuildChrChardevStr(logManager, secManager,
cmd, cfg, def,
priv->monConfig, "monitor",
priv->qemuCaps, true,
priv->chardevStdioLogd)))
priv->qemuCaps, cdevflags)))
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, chrdev);
@ -5559,6 +5573,9 @@ qemuBuildRNGBackendChrdevStr(virLogManagerPtr logManager,
char **chr,
bool chardevStdioLogd)
{
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
*chr = NULL;
switch ((virDomainRNGBackend) rng->backend) {
@ -5571,8 +5588,8 @@ qemuBuildRNGBackendChrdevStr(virLogManagerPtr logManager,
if (!(*chr = qemuBuildChrChardevStr(logManager, secManager,
cmd, cfg, def,
rng->source.chardev,
rng->info.alias, qemuCaps, true,
chardevStdioLogd)))
rng->info.alias, qemuCaps,
cdevflags)))
return -1;
}
@ -8215,8 +8232,7 @@ qemuBuildVhostuserCommandLine(virQEMUDriverPtr driver,
if (!(chardev = qemuBuildChrChardevStr(logManager, secManager,
cmd, cfg, def,
net->data.vhostuser,
net->info.alias, qemuCaps, false,
false)))
net->info.alias, qemuCaps, 0)))
goto cleanup;
break;
@ -8696,6 +8712,9 @@ qemuBuildSmartcardCommandLine(virLogManagerPtr logManager,
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *database;
const char *contAlias = NULL;
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
if (!def->nsmartcards)
return 0;
@ -8761,8 +8780,7 @@ qemuBuildSmartcardCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
smartcard->data.passthru,
smartcard->info.alias,
qemuCaps, true,
chardevStdioLogd))) {
qemuCaps, cdevflags))) {
virBufferFreeAndReset(&opt);
return -1;
}
@ -8930,6 +8948,9 @@ qemuBuildShmemCommandLine(virLogManagerPtr logManager,
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *devstr = NULL;
int rc;
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
if (shmem->size) {
/*
@ -8993,8 +9014,8 @@ qemuBuildShmemCommandLine(virLogManagerPtr logManager,
devstr = qemuBuildChrChardevStr(logManager, secManager,
cmd, cfg, def,
&shmem->server.chr,
shmem->info.alias, qemuCaps, true,
chardevStdioLogd);
shmem->info.alias, qemuCaps,
cdevflags);
if (!devstr)
return -1;
@ -9087,6 +9108,9 @@ qemuBuildSerialCommandLine(virLogManagerPtr logManager,
{
size_t i;
bool havespice = false;
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
if (def->nserials) {
for (i = 0; i < def->ngraphics && !havespice; i++) {
@ -9106,8 +9130,7 @@ qemuBuildSerialCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
serial->source,
serial->info.alias,
qemuCaps, true,
chardevStdioLogd)))
qemuCaps, cdevflags)))
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, devstr);
@ -9148,6 +9171,9 @@ qemuBuildParallelsCommandLine(virLogManagerPtr logManager,
bool chardevStdioLogd)
{
size_t i;
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
for (i = 0; i < def->nparallels; i++) {
virDomainChrDefPtr parallel = def->parallels[i];
@ -9157,8 +9183,7 @@ qemuBuildParallelsCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
parallel->source,
parallel->info.alias,
qemuCaps, true,
chardevStdioLogd)))
qemuCaps, cdevflags)))
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, devstr);
@ -9183,6 +9208,9 @@ qemuBuildChannelsCommandLine(virLogManagerPtr logManager,
bool chardevStdioLogd)
{
size_t i;
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
for (i = 0; i < def->nchannels; i++) {
virDomainChrDefPtr channel = def->channels[i];
@ -9194,8 +9222,7 @@ qemuBuildChannelsCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
channel->source,
channel->info.alias,
qemuCaps, true,
chardevStdioLogd)))
qemuCaps, cdevflags)))
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, devstr);
@ -9212,8 +9239,7 @@ qemuBuildChannelsCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
channel->source,
channel->info.alias,
qemuCaps, true,
chardevStdioLogd)))
qemuCaps, cdevflags)))
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, devstr);
@ -9239,6 +9265,9 @@ qemuBuildConsoleCommandLine(virLogManagerPtr logManager,
bool chardevStdioLogd)
{
size_t i;
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
/* Explicit console devices */
for (i = 0; i < def->nconsoles; i++) {
@ -9257,8 +9286,7 @@ qemuBuildConsoleCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
console->source,
console->info.alias,
qemuCaps, true,
chardevStdioLogd)))
qemuCaps, cdevflags)))
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, devstr);
@ -9279,8 +9307,7 @@ qemuBuildConsoleCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
console->source,
console->info.alias,
qemuCaps, true,
chardevStdioLogd)))
qemuCaps, cdevflags)))
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, devstr);
@ -9295,8 +9322,7 @@ qemuBuildConsoleCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
console->source,
console->info.alias,
qemuCaps, true,
chardevStdioLogd)))
qemuCaps, cdevflags)))
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, devstr);
@ -9419,6 +9445,9 @@ qemuBuildRedirdevCommandLine(virLogManagerPtr logManager,
bool chardevStdioLogd)
{
size_t i;
unsigned int cdevflags = QEMU_BUILD_CHARDEV_TCP_NOWAIT;
if (chardevStdioLogd)
cdevflags |= QEMU_BUILD_CHARDEV_FILE_LOGD;
for (i = 0; i < def->nredirdevs; i++) {
virDomainRedirdevDefPtr redirdev = def->redirdevs[i];
@ -9428,8 +9457,7 @@ qemuBuildRedirdevCommandLine(virLogManagerPtr logManager,
cmd, cfg, def,
redirdev->source,
redirdev->info.alias,
qemuCaps, true,
chardevStdioLogd))) {
qemuCaps, cdevflags))) {
return -1;
}