rpc: Add more stuff to RPC messages

This includes pre-dump and page-server actions and
arguments for memory tracking and page-server.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

cr-service.c

@@ -137,6 +137,9 @@ static int setup_opts_from_req(int sk, CriuOpts *req)
 	/* going to dir, where to place/get images*/
 	sprintf(images_dir_path, "/proc/%d/fd/%d", ids.pid, req->images_dir_fd);
 
+	if (req->parent_img)
+		opts.img_parent = req->parent_img;
+
 	if (chdir(images_dir_path)) {
 		pr_perror("Can't chdir to images directory");
 		return -1;
@@ -169,6 +172,9 @@ static int setup_opts_from_req(int sk, CriuOpts *req)
 	if (req->has_ext_unix_sk)
 		opts.ext_unix_sk = req->ext_unix_sk;
 
+	if (req->root)
+		opts.root = req->root;
+
 	if (req->has_tcp_established)
 		opts.tcp_established_ok = req->tcp_established;
 
@@ -181,6 +187,15 @@ static int setup_opts_from_req(int sk, CriuOpts *req)
 	if (req->has_file_locks)
 		opts.handle_file_locks = req->file_locks;
 
+	if (req->has_track_mem)
+		opts.track_mem = req->track_mem;
+
+	if (req->ps) {
+		opts.use_page_server = true;
+		opts.addr = req->ps->address;
+		opts.ps_port = htons((short)req->ps->port);
+	}
+
 	return 0;
 }
 

protobuf/rpc.proto

+message criu_page_server_info {
+	optional string address = 1;
+	optional int32 port = 2;
+	optional int32 pid = 3;
+}
+
 message criu_opts {
 	required int32 images_dir_fd	= 1;
 	optional int32 pid		= 2; //if not set on dump, will dump requesting process
@@ -10,6 +16,12 @@ message criu_opts {
 	optional bool file_locks	= 8;
 	optional int32 log_level	= 9 [default = 2];
 	optional string log_file	= 10;
+
+	optional criu_page_server_info ps = 11;
+
+	optional string root		= 13;
+	optional string parent_img	= 14;
+	optional bool track_mem		= 15;
 }
 
 message criu_dump_resp {
@@ -25,6 +37,8 @@ enum criu_req_type {
 	DUMP		= 1;
 	RESTORE		= 2;
 	CHECK		= 3;
+	PRE_DUMP	= 4;
+	PAGE_SERVER	= 5;
 }
 
 /*
@@ -49,4 +63,5 @@ message criu_resp {
 
 	optional criu_dump_resp	dump	= 3;
 	optional criu_restore_resp restore = 4;
+	optional criu_page_server_info ps = 6;
 }