#include <Python.h>
+#include "config.h"
#include "compat.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdint.h>
+
#include "vserver.h"
+#include "vserver-internal.h"
+#include "sched_cmd.h"
+#include "virtual.h"
+#define MEF_DEBUG 1
+/*
+ * context create
+ */
static PyObject *
vserver_chcontext(PyObject *self, PyObject *args)
{
- unsigned xid;
- unsigned caps_remove = 0;
+ xid_t xid, ctx;
+ struct vc_ctx_caps caps;
+ struct vc_ctx_flags flags;
+ struct vc_vx_info vc;
+ unsigned long long v;
+
+ v = VC_VXF_STATE_SETUP;
+ if (!PyArg_ParseTuple(args, "I|K", &ctx, &v))
+ return NULL;
+
+ caps.ccaps = ~vc_get_insecureccaps();
+ caps.cmask = ~0ull;
+ caps.bcaps = ~vc_get_insecurebcaps();
+ caps.bmask = ~0ull;
+
+ xid = VC_NOCTX;
+ if (vc_get_vx_info(ctx,&vc) != 0) {
+ xid = vc_ctx_create(ctx);
+ if (xid == VC_NOCTX && errno != EEXIST)
+ return PyErr_SetFromErrno(PyExc_OSError);
+ }
+
+ flags.mask = flags.flagword = v;
+ if (vc_set_cflags(ctx, &flags) == -1)
+ return PyErr_SetFromErrno(PyExc_OSError);
+
+ if (xid == VC_NOCTX && vc_ctx_migrate(ctx) == -1)
+ return PyErr_SetFromErrno(PyExc_OSError);
+
+#ifdef MEF_DEBUG
+ printf("vserver_create xid = %d(%d)\n",xid,ctx);
+#endif
+ return Py_None;
+}
+
+static PyObject *
+vserver_set_rlimit(PyObject *self, PyObject *args) {
+ struct vc_rlimit limits;
+ xid_t xid;
+ int resource;
+ PyObject *ret;
+
+ limits.min = VC_LIM_KEEP;
+ limits.soft = VC_LIM_KEEP;
+ limits.hard = VC_LIM_KEEP;
+
+ if (!PyArg_ParseTuple(args, "IiL", &xid, &resource, &limits.hard))
+ return NULL;
+
+ ret = Py_None;
+ if (vc_set_rlimit(xid, resource, &limits))
+ ret = PyErr_SetFromErrno(PyExc_OSError);
+ else if (vc_get_rlimit(xid, resource, &limits)==-1)
+ ret = PyErr_SetFromErrno(PyExc_OSError);
+ else
+ ret = Py_BuildValue("L",limits.hard);
+
+ return ret;
+}
+
+static PyObject *
+vserver_get_rlimit(PyObject *self, PyObject *args) {
+ struct vc_rlimit limits;
+ xid_t xid;
+ int resource;
+ PyObject *ret;
+
+ limits.min = VC_LIM_KEEP;
+ limits.soft = VC_LIM_KEEP;
+ limits.hard = VC_LIM_KEEP;
+
+ if (!PyArg_ParseTuple(args, "Ii", &xid, &resource))
+ return NULL;
+
+ ret = Py_None;
+ if (vc_get_rlimit(xid, resource, &limits)==-1)
+ ret = PyErr_SetFromErrno(PyExc_OSError);
+ else
+ ret = Py_BuildValue("L",limits.hard);
+
+ return ret;
+}
+
+/*
+ * setsched
+ */
+static PyObject *
+vserver_setsched(PyObject *self, PyObject *args)
+{
+ xid_t xid;
+ struct vc_set_sched sched;
+ struct vc_ctx_flags flags;
+ unsigned cpuguaranteed = 0;
+
+ sched.set_mask = (VC_VXSM_FILL_RATE |
+ VC_VXSM_INTERVAL |
+ VC_VXSM_TOKENS_MIN |
+ VC_VXSM_TOKENS_MAX);
- if (!PyArg_ParseTuple(args, "I|I", &xid, &caps_remove))
+ if (!PyArg_ParseTuple(args, "I|I|I|I|I|I|I", &xid,
+ &sched.fill_rate,
+ &sched.interval,
+ &sched.tokens,
+ &sched.tokens_min,
+ &sched.tokens_max,
+ &cpuguaranteed))
return NULL;
- if (vc_new_s_context(xid, caps_remove, 0) < 0)
- return PyErr_SetFromErrno(PyExc_OSError);
+ flags.flagword = VC_VXF_SCHED_HARD;
+ flags.mask |= VC_VXF_SCHED_HARD;
+#define VC_VXF_SCHED_SHARE 0x00000800ull
+ if (cpuguaranteed==0) {
+ flags.flagword |= VC_VXF_SCHED_SHARE;
+ flags.mask |= VC_VXF_SCHED_SHARE;
+ }
+
+ if (vc_set_cflags(xid, &flags) == -1)
+ return PyErr_SetFromErrno(PyExc_OSError);
+
+ if (vc_set_sched(xid, &sched) == -1)
+ return PyErr_SetFromErrno(PyExc_OSError);
return Py_None;
}
+/*
+ * setsched
+ */
+
+/* inode vserver commands */
+#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0)
+#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0)
+#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0)
+#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0)
+
+#define CDLIM_UNSET (0ULL)
+#define CDLIM_INFINITY (~0ULL)
+#define CDLIM_KEEP (~1ULL)
+
+static PyObject *
+vserver_get_dlimit(PyObject *self, PyObject *args)
+{
+ PyObject *res;
+ char* path;
+ unsigned xid;
+ struct vcmd_ctx_dlimit_v0 data;
+ int r;
+
+ if (!PyArg_ParseTuple(args, "si", &path,&xid))
+ return NULL;
+
+ memset(&data, 0, sizeof(data));
+ data.name = path;
+ data.flags = 0;
+ r = vserver(VCMD_get_dlimit, xid, &data);
+ if (r>=0) {
+ res = Py_BuildValue("(i,i,i,i,i)",
+ data.space_used,
+ data.space_total,
+ data.inodes_used,
+ data.inodes_total,
+ data.reserved);
+ } else {
+ res = PyErr_SetFromErrno(PyExc_OSError);
+ }
+
+ return res;
+}
+
+
+static PyObject *
+vserver_set_dlimit(PyObject *self, PyObject *args)
+{
+ char* path;
+ unsigned xid;
+ struct vcmd_ctx_dlimit_base_v0 init;
+ struct vcmd_ctx_dlimit_v0 data;
+ int r;
+
+ memset(&data,0,sizeof(data));
+ if (!PyArg_ParseTuple(args, "siiiiii", &path,
+ &xid,
+ &data.space_used,
+ &data.space_total,
+ &data.inodes_used,
+ &data.inodes_total,
+ &data.reserved))
+ return NULL;
+
+ data.name = path;
+ data.flags = 0;
+
+ memset(&init, 0, sizeof(init));
+ init.name = path;
+ init.flags = 0;
+
+ r = vserver(VCMD_rem_dlimit, xid, &init);
+ if (r<0){}
+ r = vserver(VCMD_add_dlimit, xid, &init);
+ if (r<0){}
+ r = vserver(VCMD_set_dlimit, xid, &data);
+ if (r<0){}
+ return Py_None;
+}
+
static PyMethodDef methods[] = {
{ "chcontext", vserver_chcontext, METH_VARARGS,
- "Change to the given vserver context" },
+ "chcontext to vserver with provided flags" },
+ { "setsched", vserver_setsched, METH_VARARGS,
+ "Change vserver scheduling attributes for given vserver context" },
+ { "setdlimit", vserver_set_dlimit, METH_VARARGS,
+ "Set disk limits for given vserver context" },
+ { "getdlimit", vserver_get_dlimit, METH_VARARGS,
+ "Get disk limits for given vserver context" },
+ { "setrlimit", vserver_set_rlimit, METH_VARARGS,
+ "Set resource limits for given resource of a vserver context" },
+ { "getrlimit", vserver_get_rlimit, METH_VARARGS,
+ "Get resource limits for given resource of a vserver context" },
{ NULL, NULL, 0, NULL }
};
git://git.onelab.eu / util-vserver.git / blobdiff