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-rw-r--r--qga/commands.c37
-rw-r--r--qga/qapi-schema.json33
2 files changed, 66 insertions, 4 deletions
diff --git a/qga/commands.c b/qga/commands.c
index 172826f..01f68b4 100644
--- a/qga/commands.c
+++ b/qga/commands.c
@@ -379,11 +379,23 @@ close:
return false;
}
+static GuestExecCaptureOutputMode ga_parse_capture_output(
+ GuestExecCaptureOutput *capture_output)
+{
+ if (!capture_output)
+ return GUEST_EXEC_CAPTURE_OUTPUT_MODE_NONE;
+ else if (capture_output->type == QTYPE_QBOOL)
+ return capture_output->u.flag ? GUEST_EXEC_CAPTURE_OUTPUT_MODE_SEPARATED
+ : GUEST_EXEC_CAPTURE_OUTPUT_MODE_NONE;
+ else
+ return capture_output->u.mode;
+}
+
GuestExec *qmp_guest_exec(const char *path,
bool has_arg, strList *arg,
bool has_env, strList *env,
const char *input_data,
- bool has_capture_output, bool capture_output,
+ GuestExecCaptureOutput *capture_output,
Error **errp)
{
GPid pid;
@@ -396,7 +408,8 @@ GuestExec *qmp_guest_exec(const char *path,
gint in_fd, out_fd, err_fd;
GIOChannel *in_ch, *out_ch, *err_ch;
GSpawnFlags flags;
- bool has_output = (has_capture_output && capture_output);
+ bool has_output = false;
+ GuestExecCaptureOutputMode output_mode;
g_autofree uint8_t *input = NULL;
size_t ninput = 0;
@@ -415,8 +428,26 @@ GuestExec *qmp_guest_exec(const char *path,
flags = G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD |
G_SPAWN_SEARCH_PATH_FROM_ENVP;
- if (!has_output) {
+
+ output_mode = ga_parse_capture_output(capture_output);
+ switch (output_mode) {
+ case GUEST_EXEC_CAPTURE_OUTPUT_MODE_NONE:
flags |= G_SPAWN_STDOUT_TO_DEV_NULL | G_SPAWN_STDERR_TO_DEV_NULL;
+ break;
+ case GUEST_EXEC_CAPTURE_OUTPUT_MODE_STDOUT:
+ has_output = true;
+ flags |= G_SPAWN_STDERR_TO_DEV_NULL;
+ break;
+ case GUEST_EXEC_CAPTURE_OUTPUT_MODE_STDERR:
+ has_output = true;
+ flags |= G_SPAWN_STDOUT_TO_DEV_NULL;
+ break;
+ case GUEST_EXEC_CAPTURE_OUTPUT_MODE_SEPARATED:
+ has_output = true;
+ break;
+ case GUEST_EXEC_CAPTURE_OUTPUT_MODE__MAX:
+ /* Silence warning; impossible branch */
+ break;
}
ret = g_spawn_async_with_pipes(NULL, argv, envp, flags,
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 6a20eeb..44e44c2 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -1201,6 +1201,37 @@
'data': { 'pid': 'int'} }
##
+# @GuestExecCaptureOutputMode:
+#
+# An enumeration of guest-exec capture modes.
+#
+# @none: do not capture any output
+# @stdout: only capture stdout
+# @stderr: only capture stderr
+# @separated: capture both stdout and stderr, but separated into
+# GuestExecStatus out-data and err-data, respectively
+#
+# Since: 8.0
+##
+ { 'enum': 'GuestExecCaptureOutputMode',
+ 'data': [ 'none', 'stdout', 'stderr', 'separated' ] }
+
+##
+# @GuestExecCaptureOutput:
+#
+# Controls what guest-exec output gets captures.
+#
+# @flag: captures both stdout and stderr if true. Equivalent
+# to GuestExecCaptureOutputMode::all. (since 2.5)
+# @mode: capture mode; preferred interface
+#
+# Since: 8.0
+##
+ { 'alternate': 'GuestExecCaptureOutput',
+ 'data': { 'flag': 'bool',
+ 'mode': 'GuestExecCaptureOutputMode'} }
+
+##
# @guest-exec:
#
# Execute a command in the guest
@@ -1218,7 +1249,7 @@
##
{ 'command': 'guest-exec',
'data': { 'path': 'str', '*arg': ['str'], '*env': ['str'],
- '*input-data': 'str', '*capture-output': 'bool' },
+ '*input-data': 'str', '*capture-output': 'GuestExecCaptureOutput' },
'returns': 'GuestExec' }