[libvirt] [PATCH 5/8] admin: Introduce virAdmConnectGetLoggingFilters
Erik Skultety
eskultet at redhat.com
Tue Nov 1 10:27:24 UTC 2016
Enable libvirt users to query logging filter settings.
Signed-off-by: Erik Skultety <eskultet at redhat.com>
---
daemon/admin.c | 52 +++++++++++++++++++++++++++++++++++++++++
include/libvirt/libvirt-admin.h | 4 ++++
src/admin/admin_protocol.x | 16 ++++++++++++-
src/admin/admin_remote.c | 43 ++++++++++++++++++++++++++++++++++
src/admin_protocol-structs | 8 +++++++
src/libvirt-admin.c | 40 +++++++++++++++++++++++++++++++
src/libvirt_admin_private.syms | 2 ++
src/libvirt_admin_public.syms | 1 +
8 files changed, 165 insertions(+), 1 deletion(-)
diff --git a/daemon/admin.c b/daemon/admin.c
index b31b125..c0598e0 100644
--- a/daemon/admin.c
+++ b/daemon/admin.c
@@ -409,6 +409,30 @@ adminConnectGetLoggingOutputs(char **outputs, unsigned int flags)
}
static int
+adminConnectGetLoggingFilters(char **filters, unsigned int flags)
+{
+ char *tmp = NULL;
+ int ret = -1;
+
+ virCheckFlags(0, -1);
+
+ if ((ret = virLogGetNbFilters()) > 0) {
+ if (!(tmp = virLogGetFilters()))
+ return -1;
+ } else {
+ /* there were no filters defined, return an empty string */
+ if (!tmp) {
+ if (VIR_ALLOC(tmp) < 0)
+ return -1;
+ memset(tmp, 0, 1);
+ }
+ }
+
+ *filters = tmp;
+ return ret;
+}
+
+static int
adminDispatchConnectGetLoggingOutputs(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
@@ -435,4 +459,32 @@ adminDispatchConnectGetLoggingOutputs(virNetServerPtr server ATTRIBUTE_UNUSED,
VIR_FREE(outputs);
return rv;
}
+
+static int
+adminDispatchConnectGetLoggingFilters(virNetServerPtr server ATTRIBUTE_UNUSED,
+ virNetServerClientPtr client ATTRIBUTE_UNUSED,
+ virNetMessagePtr msg ATTRIBUTE_UNUSED,
+ virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
+ admin_connect_get_logging_filters_args *args,
+ admin_connect_get_logging_filters_ret *ret)
+{
+ char *filters = NULL;
+ int nfilters = 0;
+ int rv = -1;
+
+ if ((nfilters = adminConnectGetLoggingFilters(&filters, args->flags)) < 0)
+ goto cleanup;
+
+ if (VIR_STRDUP(ret->filters, filters) < 0)
+ goto cleanup;
+
+ ret->nfilters = nfilters;
+ rv = 0;
+
+ cleanup:
+ if (rv < 0)
+ virNetMessageSaveError(rerr);
+ VIR_FREE(filters);
+ return rv;
+}
#include "admin_dispatch.h"
diff --git a/include/libvirt/libvirt-admin.h b/include/libvirt/libvirt-admin.h
index 46d2155..d76ac20 100644
--- a/include/libvirt/libvirt-admin.h
+++ b/include/libvirt/libvirt-admin.h
@@ -408,6 +408,10 @@ int virAdmConnectGetLoggingOutputs(virAdmConnectPtr conn,
char **outputs,
unsigned int flags);
+int virAdmConnectGetLoggingFilters(virAdmConnectPtr conn,
+ char **filters,
+ unsigned int flags);
+
# ifdef __cplusplus
}
# endif
diff --git a/src/admin/admin_protocol.x b/src/admin/admin_protocol.x
index 237632a..69aeb54 100644
--- a/src/admin/admin_protocol.x
+++ b/src/admin/admin_protocol.x
@@ -192,6 +192,15 @@ struct admin_connect_get_logging_outputs_ret {
unsigned int noutputs;
};
+struct admin_connect_get_logging_filters_args {
+ unsigned int flags;
+};
+
+struct admin_connect_get_logging_filters_ret {
+ admin_nonnull_string filters;
+ unsigned int nfilters;
+};
+
/* Define the program number, protocol version and procedure numbers here. */
const ADMIN_PROGRAM = 0x06900690;
const ADMIN_PROTOCOL_VERSION = 1;
@@ -282,5 +291,10 @@ enum admin_procedure {
/**
* @generate: none
*/
- ADMIN_PROC_CONNECT_GET_LOGGING_OUTPUTS = 14
+ ADMIN_PROC_CONNECT_GET_LOGGING_OUTPUTS = 14,
+
+ /**
+ * @generate: none
+ */
+ ADMIN_PROC_CONNECT_GET_LOGGING_FILTERS = 15
};
diff --git a/src/admin/admin_remote.c b/src/admin/admin_remote.c
index de3662c..ec128f6 100644
--- a/src/admin/admin_remote.c
+++ b/src/admin/admin_remote.c
@@ -472,3 +472,46 @@ remoteAdminConnectGetLoggingOutputs(virAdmConnectPtr conn,
virObjectUnlock(priv);
return rv;
}
+
+static int
+remoteAdminConnectGetLoggingFilters(virAdmConnectPtr conn,
+ char **filters,
+ unsigned int flags)
+{
+ int rv = -1;
+ char *tmp_filters = NULL;
+ remoteAdminPrivPtr priv = conn->privateData;
+ admin_connect_get_logging_filters_args args;
+ admin_connect_get_logging_filters_ret ret;
+
+ args.flags = flags;
+
+ memset(&ret, 0, sizeof(ret));
+ virObjectLock(priv);
+
+ if (call(conn,
+ 0,
+ ADMIN_PROC_CONNECT_GET_LOGGING_FILTERS,
+ (xdrproc_t) xdr_admin_connect_get_logging_filters_args,
+ (char *) &args,
+ (xdrproc_t) xdr_admin_connect_get_logging_filters_ret,
+ (char *) &ret) == -1)
+ goto done;
+
+ if (filters) {
+ if (VIR_STRDUP(tmp_filters, ret.filters) < 0)
+ goto cleanup;
+
+ *filters = tmp_filters;
+ tmp_filters = NULL;
+ }
+
+ rv = ret.nfilters;
+
+ cleanup:
+ xdr_free((xdrproc_t) xdr_admin_connect_get_logging_filters_ret, (char *) &ret);
+
+ done:
+ virObjectUnlock(priv);
+ return rv;
+}
diff --git a/src/admin_protocol-structs b/src/admin_protocol-structs
index 096bf5a..41d065d 100644
--- a/src/admin_protocol-structs
+++ b/src/admin_protocol-structs
@@ -134,6 +134,13 @@ struct admin_connect_get_logging_outputs_ret {
admin_nonnull_string outputs;
u_int noutputs;
};
+struct admin_connect_get_logging_filters_args {
+ u_int flags;
+};
+struct admin_connect_get_logging_filters_ret {
+ admin_nonnull_string filters;
+ u_int nfilters;
+};
enum admin_procedure {
ADMIN_PROC_CONNECT_OPEN = 1,
ADMIN_PROC_CONNECT_CLOSE = 2,
@@ -149,4 +156,5 @@ enum admin_procedure {
ADMIN_PROC_SERVER_GET_CLIENT_LIMITS = 12,
ADMIN_PROC_SERVER_SET_CLIENT_LIMITS = 13,
ADMIN_PROC_CONNECT_GET_LOGGING_OUTPUTS = 14,
+ ADMIN_PROC_CONNECT_GET_LOGGING_FILTERS = 15,
};
diff --git a/src/libvirt-admin.c b/src/libvirt-admin.c
index 264411f..61a538c 100644
--- a/src/libvirt-admin.c
+++ b/src/libvirt-admin.c
@@ -1145,3 +1145,43 @@ virAdmConnectGetLoggingOutputs(virAdmConnectPtr conn,
virDispatchError(NULL);
return -1;
}
+
+/**
+ * virAdmConnectGetLoggingFilters:
+ * @conn: pointer to an active admin connection
+ * @filters: pointer to a variable to store a string containing all currently
+ * defined logging filters on daemon (allocated automatically)
+ * @flags: extra flags; not used yet, so callers should always pass 0
+ *
+ * Retrieves a list of currently installed logging filters. Filters returned
+ * are contained within an automatically allocated string and delimited by
+ * spaces. The format of each filter conforms to the format described in
+ * daemon's configuration file (e.g. libvirtd.conf).
+ * To retrieve individual filters, additional parsing needs to be done by the
+ * caller. Caller is also responsible for freeing @filters correctly.
+ *
+ * Returns the number of filters returned in @filters, or -1 in case of
+ * an error.
+ */
+int
+virAdmConnectGetLoggingFilters(virAdmConnectPtr conn,
+ char **filters,
+ unsigned int flags)
+{
+ int ret = -1;
+
+ VIR_DEBUG("conn=%p, flags=%x", conn, flags);
+
+ virResetLastError();
+ virCheckAdmConnectReturn(conn, -1);
+ virCheckNonNullArgGoto(filters, error);
+
+ if ((ret = remoteAdminConnectGetLoggingFilters(conn, filters,
+ flags)) < 0)
+ goto error;
+
+ return ret;
+ error:
+ virDispatchError(NULL);
+ return -1;
+}
diff --git a/src/libvirt_admin_private.syms b/src/libvirt_admin_private.syms
index c95aa3c..b36880d 100644
--- a/src/libvirt_admin_private.syms
+++ b/src/libvirt_admin_private.syms
@@ -10,6 +10,8 @@ xdr_admin_client_close_args;
xdr_admin_client_get_info_args;
xdr_admin_client_get_info_ret;
xdr_admin_connect_get_lib_version_ret;
+xdr_admin_connect_get_logging_filters_args;
+xdr_admin_connect_get_logging_filters_ret;
xdr_admin_connect_get_logging_outputs_args;
xdr_admin_connect_get_logging_outputs_ret;
xdr_admin_connect_list_servers_args;
diff --git a/src/libvirt_admin_public.syms b/src/libvirt_admin_public.syms
index c1420ee..e6ee0e8 100644
--- a/src/libvirt_admin_public.syms
+++ b/src/libvirt_admin_public.syms
@@ -38,5 +38,6 @@ LIBVIRT_ADMIN_2.0.0 {
virAdmClientClose;
virAdmServerGetClientLimits;
virAdmServerSetClientLimits;
+ virAdmConnectGetLoggingFilters;
virAdmConnectGetLoggingOutputs;
};
--
2.5.5
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