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[libvirt] [PATCH 3/7] add virAgentCommand()



 Add virDrvAgentCommand prototype for drivers.
 Add virAgentCommand() for virDrvAgentCommand.


Signed-off-by: MATSUDA Daiki <matsudadik intellilink co jp>
---
 include/libvirt/libvirt-qemu.h |    3 ++
 python/generator.py            |    1 +
 src/driver.h                   |    4 +++
 src/libvirt-qemu.c             |   51 ++++++++++++++++++++++++++++++++++++++++
 src/libvirt_qemu.syms          |    5 ++++
 5 files changed, 64 insertions(+), 0 deletions(-)

diff --git a/include/libvirt/libvirt-qemu.h b/include/libvirt/libvirt-qemu.h
index 013ed5a..60b83ef 100644
--- a/include/libvirt/libvirt-qemu.h
+++ b/include/libvirt/libvirt-qemu.h
@@ -50,6 +50,9 @@ typedef enum {
     VIR_DOMAIN_QEMU_AGENT_COMMAND_NOWAIT = 0,
 } virDomainQemuAgentCommandTimeoutValues;
 
+char *virAgentCommand(virDomainPtr domain, const char *cmd,
+                      int timeout, unsigned int flags);
+
 # ifdef __cplusplus
 }
 # endif
diff --git a/python/generator.py b/python/generator.py
index 6559ece..68758ad 100755
--- a/python/generator.py
+++ b/python/generator.py
@@ -431,6 +431,7 @@ skip_impl = (
 
 qemu_skip_impl = (
     'virDomainQemuMonitorCommand',
+    'virAgentCommand',
 )
 
 
diff --git a/src/driver.h b/src/driver.h
index aab9766..b780e45 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -688,6 +688,9 @@ typedef int
 typedef int
     (*virDrvDomainQemuMonitorCommand)(virDomainPtr domain, const char *cmd,
                                       char **result, unsigned int flags);
+typedef char *
+    (*virDrvAgentCommand)(virDomainPtr domain, const char *cmd,
+                          int timeout, unsigned int flags);
 
 /* Choice of unsigned int rather than pid_t is intentional.  */
 typedef virDomainPtr
@@ -1048,6 +1051,7 @@ struct _virDriver {
     virDrvDomainGetDiskErrors           domainGetDiskErrors;
     virDrvDomainSetMetadata             domainSetMetadata;
     virDrvDomainGetMetadata             domainGetMetadata;
+    virDrvAgentCommand                  qemuAgentCommand;
 };
 
 typedef int
diff --git a/src/libvirt-qemu.c b/src/libvirt-qemu.c
index 78480bb..49dfc20 100644
--- a/src/libvirt-qemu.c
+++ b/src/libvirt-qemu.c
@@ -185,3 +185,54 @@ error:
     virDispatchError(conn);
     return NULL;
 }
+
+/**
+ * virAgentCommand:
+ * @domain: a domain object
+ * @cmd: the guest agent command string
+ * @timeout: timeout seconds
+ * @flags: execution flags
+ *
+ * Execute an arbitrary Guest Agent command.
+ *
+ * Issue @cmd to the guest agent running in @domain.
+ * If @result is NULL, then don't wait for a result (and @timeout
+ * must be 0).  Otherwise, wait for @timeout seconds for a
+ * @timeout must be -2, -1, 0 or positive.
+ * VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK(-2): meaning to block forever waiting for
+ * a result.
+ * VIR_DOMAIN_QEMU_AGENT_COMMAND_DEFAULT(-1): use default timeout value.
+ * VIR_DOMAIN_QEMU_AGENT_COMMAND_NOWAIT(0): does not wait.
+ * positive value: wait for @timeout seconds
+ *
+ * Returns strings if success, NULL in failure.
+ */
+char *
+virAgentCommand(virDomainPtr domain,
+                const char *cmd,
+                int timeout,
+                unsigned int flags)
+{
+    virConnectPtr conn;
+
+    VIR_DEBUG("domain=%p, cmd=%s, timeout=%d, flags=%x",
+              domain, cmd, timeout, flags);
+
+    if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
+        virLibDomainError(NULL, VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
+        virDispatchError(NULL);
+        return NULL;
+    }
+
+    conn = domain->conn;
+
+    if (conn->driver->qemuAgentCommand) {
+        return conn->driver->qemuAgentCommand(domain, cmd, timeout, flags);
+    }
+
+    virLibConnError(conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+    /* Copy to connection error object for back compatability */
+    virDispatchError(domain->conn);
+    return NULL;
+}
diff --git a/src/libvirt_qemu.syms b/src/libvirt_qemu.syms
index 8447730..f1a4bb4 100644
--- a/src/libvirt_qemu.syms
+++ b/src/libvirt_qemu.syms
@@ -19,3 +19,8 @@ LIBVIRT_QEMU_0.9.4 {
     global:
         virDomainQemuAttach;
 } LIBVIRT_QEMU_0.8.3;
+
+LIBVIRT_QEMU_0.10.0 {
+    global:
+        virAgentCommand;
+} LIBVIRT_QEMU_0.9.4;
-- 
1.7.1


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