qrap: Generate -netdev as JSON

While generating -device as JSON when JSON is in use is
mandatory, because not doing so can often prevent the VM from
starting up, using JSON for -netdev simply makes things a bit
nicer. No reason not to do it, though.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 5 insertions, 1 deletions

diff --git a/qrap.c b/qrap.c
index 27c12ed..d0e2fb2 100644
--- a/qrap.c
+++ b/qrap.c
@@ -311,7 +311,11 @@ int main(int argc, char **argv)
 	}
 
 	qemu_argv[qemu_argc++] = "-netdev";
-	qemu_argv[qemu_argc++] = "socket,fd=" STR(DEFAULT_FD) ",id=hostnet0";
+	if (!has_json) {
+		qemu_argv[qemu_argc++] = "socket,fd=" STR(DEFAULT_FD) ",id=hostnet0";
+	} else {
+		qemu_argv[qemu_argc++] = "{\"type\":\"socket\",\"fd\":\"" STR(DEFAULT_FD) "\",\"id\":\"hostnet0\"}";
+	}
 	qemu_argv[qemu_argc] = NULL;
 
 valid_args: