OK, here we go ... Rich. -- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 03798903
Index: src/virsh.c
===================================================================
RCS file: /data/cvs/libvirt/src/virsh.c,v
retrieving revision 1.75
diff -u -r1.75 virsh.c
--- src/virsh.c 3 May 2007 16:03:02 -0000 1.75
+++ src/virsh.c 23 May 2007 09:25:17 -0000
@@ -22,6 +22,7 @@
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
+#include <errno.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/time.h>
@@ -673,6 +674,66 @@
{NULL, 0, 0, NULL}
};
+/* Read in a whole file and return it as a string.
+ * If it fails, it logs an error and returns NULL.
+ * String must be freed by caller.
+ */
+static char *
+readFile (vshControl *ctl, const char *filename)
+{
+ char *retval;
+ int len = 0, fd;
+
+ if ((fd = open(filename, O_RDONLY)) == -1) {
+ vshError (ctl, FALSE, _("Failed to open '%s': %s"),
+ filename, strerror (errno));
+ return NULL;
+ }
+
+ if (!(retval = malloc(len + 1)))
+ goto out_of_memory;
+
+ while (1) {
+ char buffer[1024];
+ char *new;
+ int ret;
+
+ if ((ret = read(fd, buffer, sizeof(buffer))) == 0)
+ break;
+
+ if (ret == -1) {
+ if (errno == EINTR)
+ continue;
+
+ vshError (ctl, FALSE, _("Failed to open '%s': read: %s"),
+ filename, strerror (errno));
+ goto error;
+ }
+
+ if (!(new = realloc(retval, len + ret + 1)))
+ goto out_of_memory;
+
+ retval = new;
+
+ memcpy(retval + len, buffer, ret);
+ len += ret;
+ }
+
+ retval[len] = '\0';
+ return retval;
+
+ out_of_memory:
+ vshError (ctl, FALSE, _("Error allocating memory: %s"),
+ strerror(errno));
+
+ error:
+ if (retval)
+ free(retval);
+ close(fd);
+
+ return NULL;
+}
+
static int
cmdCreate(vshControl * ctl, vshCmd * cmd)
{
@@ -680,8 +741,7 @@
char *from;
int found;
int ret = TRUE;
- char buffer[BUFSIZ];
- int fd, l;
+ char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
@@ -690,19 +750,12 @@
if (!found)
return FALSE;
- fd = open(from, O_RDONLY);
- if (fd < 0) {
- vshError(ctl, FALSE, _("Failed to read description file %s"), from);
- return(FALSE);
- }
- l = read(fd, &buffer[0], sizeof(buffer));
- if ((l <= 0) || (l >= (int) sizeof(buffer))) {
- vshError(ctl, FALSE, _("Failed to read description file %s"), from);
- close(fd);
- return(FALSE);
- }
- buffer[l] = 0;
- dom = virDomainCreateLinux(ctl->conn, &buffer[0], 0);
+ buffer = readFile (ctl, from);
+ if (buffer == NULL) return FALSE;
+
+ dom = virDomainCreateLinux(ctl->conn, buffer, 0);
+ free (buffer);
+
if (dom != NULL) {
vshPrint(ctl, _("Domain %s created from %s\n"),
virDomainGetName(dom), from);
@@ -735,8 +788,7 @@
char *from;
int found;
int ret = TRUE;
- char buffer[BUFSIZ];
- int fd, l;
+ char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
@@ -745,19 +797,12 @@
if (!found)
return FALSE;
- fd = open(from, O_RDONLY);
- if (fd < 0) {
- vshError(ctl, FALSE, _("Failed to read description file %s"), from);
- return(FALSE);
- }
- l = read(fd, &buffer[0], sizeof(buffer));
- if ((l <= 0) || (l >= (int) sizeof(buffer))) {
- vshError(ctl, FALSE, _("Failed to read description file %s"), from);
- close(fd);
- return(FALSE);
- }
- buffer[l] = 0;
- dom = virDomainDefineXML(ctl->conn, &buffer[0]);
+ buffer = readFile (ctl, from);
+ if (buffer == NULL) return FALSE;
+
+ dom = virDomainDefineXML(ctl->conn, buffer);
+ free (buffer);
+
if (dom != NULL) {
vshPrint(ctl, _("Domain %s defined from %s\n"),
virDomainGetName(dom), from);
@@ -1800,8 +1845,7 @@
char *from;
int found;
int ret = TRUE;
- char buffer[BUFSIZ];
- int fd, l;
+ char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
@@ -1810,19 +1854,12 @@
if (!found)
return FALSE;
- fd = open(from, O_RDONLY);
- if (fd < 0) {
- vshError(ctl, FALSE, _("Failed to read description file %s"), from);
- return(FALSE);
- }
- l = read(fd, &buffer[0], sizeof(buffer));
- if ((l <= 0) || (l >= (int) sizeof(buffer))) {
- vshError(ctl, FALSE, _("Failed to read description file %s"), from);
- close(fd);
- return(FALSE);
- }
- buffer[l] = 0;
- network = virNetworkCreateXML(ctl->conn, &buffer[0]);
+ buffer = readFile (ctl, from);
+ if (buffer == NULL) return FALSE;
+
+ network = virNetworkCreateXML(ctl->conn, buffer);
+ free (buffer);
+
if (network != NULL) {
vshPrint(ctl, _("Network %s created from %s\n"),
virNetworkGetName(network), from);
@@ -1856,8 +1893,7 @@
char *from;
int found;
int ret = TRUE;
- char buffer[BUFSIZ];
- int fd, l;
+ char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
@@ -1866,19 +1902,12 @@
if (!found)
return FALSE;
- fd = open(from, O_RDONLY);
- if (fd < 0) {
- vshError(ctl, FALSE, _("Failed to read description file %s"), from);
- return(FALSE);
- }
- l = read(fd, &buffer[0], sizeof(buffer));
- if ((l <= 0) || (l >= (int) sizeof(buffer))) {
- vshError(ctl, FALSE, _("Failed to read description file %s"), from);
- close(fd);
- return(FALSE);
- }
- buffer[l] = 0;
- network = virNetworkDefineXML(ctl->conn, &buffer[0]);
+ buffer = readFile (ctl, from);
+ if (buffer == NULL) return FALSE;
+
+ network = virNetworkDefineXML(ctl->conn, buffer);
+ free (buffer);
+
if (network != NULL) {
vshPrint(ctl, _("Network %s defined from %s\n"),
virNetworkGetName(network), from);
@@ -2403,6 +2432,113 @@
return ret;
}
+/*
+ * "attach-device" command
+ */
+static vshCmdInfo info_attach_device[] = {
+ {"syntax", "attach-device <domain> <file> "},
+ {"help", gettext_noop("attach device from an XML file")},
+ {"desc", gettext_noop("Attach device from an XML <file>.")},
+ {NULL, NULL}
+};
+
+static vshCmdOptDef opts_attach_device[] = {
+ {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
+ {"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("XML file")},
+ {NULL, 0, 0, NULL}
+};
+
+static int
+cmdAttachDevice(vshControl * ctl, vshCmd * cmd)
+{
+ virDomainPtr dom;
+ char *from;
+ char *buffer;
+ int ret = TRUE;
+ int found;
+
+ if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
+ return FALSE;
+
+ if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
+ return FALSE;
+
+ from = vshCommandOptString(cmd, "file", &found);
+ if (!found) {
+ virDomainFree(dom);
+ return FALSE;
+ }
+
+ buffer = readFile (ctl, from);
+ if (buffer == NULL) return FALSE;
+
+ ret = virDomainAttachDevice(dom, buffer);
+ free (buffer);
+
+ if (ret < 0) {
+ vshError(ctl, FALSE, _("Failed to attach device from %s"), from);
+ virDomainFree(dom);
+ return FALSE;
+ }
+
+ virDomainFree(dom);
+ return TRUE;
+}
+
+
+/*
+ * "detach-device" command
+ */
+static vshCmdInfo info_detach_device[] = {
+ {"syntax", "detach-device <domain> <file> "},
+ {"help", gettext_noop("detach device from an XML file")},
+ {"desc", gettext_noop("Detach device from an XML <file>")},
+ {NULL, NULL}
+};
+
+static vshCmdOptDef opts_detach_device[] = {
+ {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("domain name, id or uuid")},
+ {"file", VSH_OT_DATA, VSH_OFLAG_REQ, gettext_noop("XML file")},
+ {NULL, 0, 0, NULL}
+};
+
+static int
+cmdDetachDevice(vshControl * ctl, vshCmd * cmd)
+{
+ virDomainPtr dom;
+ char *from;
+ char *buffer;
+ int ret = TRUE;
+ int found;
+
+ if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
+ return FALSE;
+
+ if (!(dom = vshCommandOptDomain(ctl, cmd, "domain", NULL)))
+ return FALSE;
+
+ from = vshCommandOptString(cmd, "file", &found);
+ if (!found) {
+ virDomainFree(dom);
+ return FALSE;
+ }
+
+ buffer = readFile (ctl, from);
+ if (buffer == NULL) return FALSE;
+
+ ret = virDomainDetachDevice(dom, buffer);
+ free (buffer);
+
+ if (ret < 0) {
+ vshError(ctl, FALSE, _("Failed to detach device from %s"), from);
+ virDomainFree(dom);
+ return FALSE;
+ }
+
+ virDomainFree(dom);
+ return TRUE;
+}
+
/*
* "quit" command
@@ -2467,6 +2603,8 @@
{"vcpupin", cmdVcpupin, opts_vcpupin, info_vcpupin},
{"version", cmdVersion, NULL, info_version},
{"vncdisplay", cmdVNCDisplay, opts_vncdisplay, info_vncdisplay},
+ {"attach-device", cmdAttachDevice, opts_attach_device, info_attach_device},
+ {"detach-device", cmdDetachDevice, opts_detach_device, info_detach_device},
{NULL, NULL, NULL, NULL}
};
Attachment:
smime.p7s
Description: S/MIME Cryptographic Signature