[PATCH 09/10] ch_driver: Add handler for console API
Add the handler function to find and open the console character
device that will be used by the console API.
Signed-off-by: William Douglas <william.douglas(a)intel.com>
---
src/ch/ch_driver.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
diff --git a/src/ch/ch_driver.c b/src/ch/ch_driver.c
index ac958d73a8..b0b8e19120 100644
--- a/src/ch/ch_driver.c
+++ b/src/ch/ch_driver.c
@@ -30,6 +30,7 @@
#include "viraccessapicheck.h"
#include "viralloc.h"
#include "virbuffer.h"
+#include "virchrdev.h"
#include "vircommand.h"
#include "virerror.h"
#include "virfile.h"
@@ -816,6 +817,82 @@ static int chDomainGetInfo(virDomainPtr dom,
return ret;
}
+static int
+chDomainOpenConsole(virDomainPtr dom,
+ const char *dev_name,
+ virStreamPtr st,
+ unsigned int flags)
+{
+ virDomainObj *vm = NULL;
+ int ret = -1;
+ size_t i;
+ virDomainChrDef *chr = NULL;
+ virCHDomainObjPrivate *priv;
+
+ virCheckFlags(VIR_DOMAIN_CONSOLE_SAFE | VIR_DOMAIN_CONSOLE_FORCE, -1);
+
+ if (!(vm = chDomObjFromDomain(dom)))
+ goto cleanup;
+
+ if (virDomainOpenConsoleEnsureACL(dom->conn, vm->def) < 0)
+ goto cleanup;
+
+ if (virDomainObjCheckActive(vm) < 0)
+ goto cleanup;
+
+ priv = vm->privateData;
+
+ if (dev_name) {
+ for (i = 0; !chr && i < vm->def->nconsoles; i++) {
+ if (vm->def->consoles[i]->info.alias &&
+ STREQ(dev_name, vm->def->consoles[i]->info.alias))
+ chr = vm->def->consoles[i];
+ }
+ for (i = 0; !chr && i < vm->def->nserials; i++) {
+ if (STREQ(dev_name, vm->def->serials[i]->info.alias))
+ chr = vm->def->serials[i];
+ }
+ for (i = 0; !chr && i < vm->def->nparallels; i++) {
+ if (STREQ(dev_name, vm->def->parallels[i]->info.alias))
+ chr = vm->def->parallels[i];
+ }
+ } else {
+ if (vm->def->nconsoles &&
+ vm->def->consoles[0]->source->type == VIR_DOMAIN_CHR_TYPE_PTY)
+ chr = vm->def->consoles[0];
+ else if (vm->def->nserials &&
+ vm->def->serials[0]->source->type ==
VIR_DOMAIN_CHR_TYPE_PTY)
+ chr = vm->def->serials[0];
+ }
+
+ if (!chr) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot find character device
%s"),
+ NULLSTR(dev_name));
+ goto cleanup;
+ }
+
+ if (chr->source->type != VIR_DOMAIN_CHR_TYPE_PTY) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("character device %s is not using a PTY"),
+ dev_name ? dev_name : NULLSTR(chr->info.alias));
+ goto cleanup;
+ }
+
+ /* handle mutually exclusive access to console devices */
+ ret = virChrdevOpen(priv->chrdevs, chr->source, st,
+ (flags & VIR_DOMAIN_CONSOLE_FORCE) != 0);
+
+ if (ret == 1) {
+ virReportError(VIR_ERR_OPERATION_FAILED, "%s",
+ _("Active console session exists for this domain"));
+ ret = -1;
+ }
+
+ cleanup:
+ virDomainObjEndAPI(&vm);
+ return ret;
+}
+
static int chStateCleanup(void)
{
if (ch_driver == NULL)
--
2.31.1