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==== criu_req_type ====
==== criu_req_type ====
−There are only 2 request/response types for now.
+There are 8 request/response types for now. Comments show cmdline analogs.
<pre>enum criu_req_type {
<pre>enum criu_req_type {
EMPTY = 0;
EMPTY = 0;
− DUMP = 1;
+ DUMP = 1; /* criu dump */
− RESTORE = 2;
+ RESTORE = 2; /* criu restore */
+ CHECK = 3; /* criu check */
+ PRE_DUMP = 4; /* criu pre-dump */
+ PAGE_SERVER = 5; /* criu page-server */
+ NOTIFY = 6;
+ CPUINFO_DUMP = 7; /* criu cpuinfo dump */
+ CPUINFO_CHECK = 8; /* criu cpuinfo check */
}
}
</pre>
</pre>
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It is used to store options.
It is used to store options.
<pre>message criu_opts {
<pre>message criu_opts {
− required int32 images_dir_fd = 1;
+ required int32 images_dir_fd = 1;
− optional int32 pid = 2;
+ optional int32 pid = 2; /* if not set on dump, will dump requesting process */
+ optional bool leave_running = 3;
+ optional bool ext_unix_sk = 4;
+ optional bool tcp_established = 5;
+ optional bool evasive_devices = 6;
+ optional bool shell_job = 7;
+ optional bool file_locks = 8;
+ optional int32 log_level = 9 [default = 2];
+ optional string log_file = 10; /* No subdirs are allowed. Consider using work-dir */
+ optional criu_page_server_info ps = 11;
− optional bool leave_running = 3;
+ optional bool notify_scripts = 12;
− optional bool ext_unix_sk = 4;
+ optional bool tcp_established = 5;
+ optional string root = 13;
− optional bool evasive_devices = 6;
+ optional string parent_img = 14;
− optional bool shell_job = 7;
+ optional bool track_mem = 15;
− optional bool file_locks = 8;
+ optional bool auto_dedup = 16;
− optional int32 log_level = 9 [default = 2];
+ optional string log_file = 10;
+ optional int32 work_dir_fd = 17;
+ optional bool link_remap = 18;
+ repeated criu_veth_pair veths = 19;
+ optional uint32 cpu_cap = 20 [default = 0xffffffff];
+ optional bool force_irmap = 21;
+ repeated string exec_cmd = 22;
+ repeated ext_mount_map ext_mnt = 23;
+ optional bool manage_cgroups = 24;
+ repeated cgroup_root cg_root = 25;
+ optional bool rst_sibling = 26; /* swrk only */
}</pre>
}</pre>
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</pre>
</pre>
+===== criu_page_server_info =====
+Stores info about page-server.
+<pre>
+message criu_page_server_info {
+ optional string address = 1; /* bind address -- if not set 0.0.0.0 is used */
+ optional int32 port = 2; /* bind port -- if not set on request, autobind is used and port is returned in response */
+ optional int32 pid = 3; /* page-server pid -- returned in response */
+ optional int32 fd = 4; /* could be used to inherit fd by page-server */
+}
+</pre>
+===== criu_veth_pair =====
+TODO
+<pre>
+message criu_veth_pair {
+ required string if_in = 1;
+ required string if_out = 2;
+};
+</pre>
+===== ext_mount_map =====
+TODO
+<pre>
+message ext_mount_map {
+ required string key = 1;
+ required string val = 2;
+};
+</pre>
+===== cgroup_root =====
+TODO
+<pre>
+message cgroup_root {
+ optional string ctrl = 1;
+ required string path = 2;
+};
+</pre>
=== Response ===
=== Response ===
==== criu_resp ====
==== criu_resp ====
<pre>message criu_resp {
<pre>message criu_resp {
− required criu_req_type type = 1;
+ required criu_req_type type = 1;
− required bool success = 2;
+ required bool success = 2;
− optional criu_dump_resp dump = 3;
+ optional criu_dump_resp dump = 3;
− optional criu_restore_resp restore = 4;
+ optional criu_restore_resp restore = 4;
+ optional criu_notify notify = 5;
+ optional criu_page_server_info ps = 6;
}
}
</pre>
</pre>
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Field "pid" is set to the PID of the restored process.
Field "pid" is set to the PID of the restored process.
+==== criu_notify ====
+TODO
+<pre>
+message criu_notify {
+ optional string script = 1;
+ optional int32 pid = 2;
+}
+</pre>
== Run ==
== Run ==
=== Server ===
=== Server ===