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c-lib: added set_page_server_address_port

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According to https://criu.org/API_compliance, the C-library
doesn't support the pageserver option.
This patch contains the functions
`criu_(local_)set_page_server_address_port()`
that allow to specify on which ip and tcp-port the pageserver
is listening.

This patch affects only the c-lib, as criu-rpc already supports the
pageserver settings.

Signed-off-by: Martin Wührer <martin.wuehrer@artech.at>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
This commit is contained in:
Martin Wührer 2019-01-30 10:34:45 +01:00 • committed by Andrei Vagin
parent b368e66165
commit f4ce0a7c08
2 changed files with 33 additions and 0 deletions
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31
lib/c/criu.c
View file

@ -193,6 +193,11 @@ void criu_local_free_opts(criu_opts *opts)
}
opts->rpc->n_external = 0;
if(opts->rpc->ps) {
free(opts->rpc->ps->address);
free(opts->rpc->ps);
}
free(opts->rpc->cgroup_props_file);
free(opts->rpc->cgroup_props);
free(opts->rpc->parent_img);
@ -1018,6 +1023,32 @@ int criu_add_external(char *key)
return criu_local_add_external(global_opts, key);
}
int criu_local_set_page_server_address_port(criu_opts *opts, const char *address, int port)
{
opts->rpc->ps = malloc(sizeof(CriuPageServerInfo));
if (opts->rpc->ps) {
criu_page_server_info__init(opts->rpc->ps);
opts->rpc->ps->address = strdup(address);
if (!opts->rpc->ps->address) {
free(opts->rpc->ps);
opts->rpc->ps = NULL;
goto out;
}
opts->rpc->ps->has_port = true;
opts->rpc->ps->port = port;
}
out:
return -ENOMEM;
}
int criu_set_page_server_address_port(const char *address, int port)
{
return criu_local_set_page_server_address_port(global_opts, address, port);
}
static CriuResp *recv_resp(int socket_fd)
{
unsigned char *buf = NULL;

2
lib/c/criu.h
View file

@ -97,6 +97,7 @@ void criu_set_ghost_limit(unsigned int limit);
int criu_add_irmap_path(char *path);
int criu_add_inherit_fd(int fd, char *key);
int criu_add_external(char *key);
int criu_set_page_server_address_port(const char *address, int port);
/*
* The criu_notify_arg_t na argument is an opaque
@ -211,6 +212,7 @@ int criu_local_add_cg_props_file(criu_opts *opts, char *path);
int criu_local_add_cg_dump_controller(criu_opts *opts, char *name);
int criu_local_add_inherit_fd(criu_opts *opts, int fd, char *key);
int criu_local_add_external(criu_opts *opts, char *key);
int criu_local_set_page_server_address_port(criu_opts *opts, const char *address, int port);
void criu_local_set_notify_cb(criu_opts *opts, int (*cb)(char *action, criu_notify_arg_t na));