[libvirt] [PATCH 3/4] chardev: Add function to output -chardev options
Note that, on its own, this patch will generate a warning about an unused static
function.
---
src/qemu/qemu_conf.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 87 insertions(+), 0 deletions(-)
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index e5d19ef..3e37c66 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1386,6 +1386,93 @@ qemuBuildHostNetStr(virConnectPtr conn,
return 0;
}
+/* This function outputs a -chardev command line option which describes only the
+ * host side of the character device */
+static int qemudBuildCommandLineChrDevChardevStr(virDomainChrDefPtr dev,
+ const char *const id,
+ char *buf,
+ int buflen)
+{
+ switch(dev->type) {
+ case VIR_DOMAIN_CHR_TYPE_NULL:
+ if (snprintf(buf, buflen, "null,id=%s", id) >= buflen)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_VC:
+ if (snprintf(buf, buflen, "vc,id=%s", id) >= buflen)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_PTY:
+ if (snprintf(buf, buflen, "pty,id=%s", id) >= buflen)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_DEV:
+ if (snprintf(buf, buflen, "tty,id=%s,path=%s",
+ id, dev->data.file.path) >= buflen)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_FILE:
+ if (snprintf(buf, buflen, "file,id=%s,path=%s",
+ id, dev->data.file.path) >= buflen)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_PIPE:
+ if (snprintf(buf, buflen, "pipe,id=%s,path=%s",
+ id, dev->data.file.path) >= buflen)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_STDIO:
+ if (snprintf(buf, buflen, "stdio,id=%s", id) >= buflen)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_UDP:
+ if (snprintf(buf, buflen,
+ "udp,id=%s,host=%s,port=%s,localaddr=%s,localport=%s",
+ id,
+ dev->data.udp.connectHost,
+ dev->data.udp.connectService,
+ dev->data.udp.bindHost,
+ dev->data.udp.bindService) >= buflen)
+ return -1;
+ break;
+
+ case VIR_DOMAIN_CHR_TYPE_TCP:
+ {
+ bool telnet =
+ dev->data.tcp.protocol == VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET;
+
+ if (snprintf(buf, buflen,
+ "socket,id=%s,host=%s,port=%s%s%s",
+ id,
+ dev->data.tcp.host,
+ dev->data.tcp.service,
+ telnet ? ",telnet" : "",
+ dev->data.tcp.listen ? ",server,nowait" : "")
>= buflen)
+ return -1;
+ break;
+ }
+
+ case VIR_DOMAIN_CHR_TYPE_UNIX:
+ if (snprintf(buf, buflen,
+ "socket,id=%s,path=%s%s",
+ id,
+ dev->data.nix.path,
+ dev->data.nix.listen ? ",server,nowait" : "")
>= buflen)
+ return -1;
+ break;
+ }
+
+ return 0;
+}
+
+/* This function outputs an all-in-one character device command line option */
static int qemudBuildCommandLineChrDevStr(virDomainChrDefPtr dev,
char *buf,
int buflen)
--
1.6.2.5