Drop vserver legacy code and hide vserver.h

[fprobe-ulog.git] / src / vserver.h

diff --git a/src/vserver.h b/src/vserver.h
deleted file mode 100644 (file)
index 79a5704..0000000
--- a/src/vserver.h
+++ /dev/null
@@ -1,105 +0,0 @@
-#ifndef __VSERVER_H__
-#define __VSERVER_H__
-
-#include <pwd.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#define VSERVER_CONFIG_PATH "/etc/vservers"
-#define SLICE_ID_FILE       "slice_id"
-
-char* get_current_username (unsigned int uid)
-{
-    struct passwd *passwd_entry;
-    if ((passwd_entry = getpwuid(uid)) == NULL) {
-        fprintf(stderr, "Could not look up user record for %d\n", uid);
-        return NULL; 
-    }
-
-    return (strdup(passwd_entry->pw_name));
-}
-
-#define HASH_SIZE           (1<<12)
-#define HASH_TABLE_MASK     (HASH_SIZE - 1)
-
-struct hash_entry {
-    unsigned int xid;
-    uint32_t slice_id;
-};
-
-struct hash_entry slice_id_hash[HASH_SIZE];
-
-void init_slice_id_hash() {
-    memset(slice_id_hash, 0, HASH_SIZE);
-}
-void set_hash_entry(unsigned int xid, uint32_t slice_id) {
-    int idx = xid & HASH_TABLE_MASK;
-    int i;
-
-    struct hash_entry *entry = &slice_id_hash[idx];
-    if (entry->xid == 0 || entry->xid ==xid) {
-        entry->slice_id = slice_id;
-        entry->xid = xid;
-        return;
-    }
-
-    for (i = idx+1;i!=idx;i=(i+1) & HASH_TABLE_MASK) {
-        entry = &slice_id_hash[i];
-        if (entry->xid == 0 || entry->xid == xid) {
-            entry->slice_id = slice_id;
-            entry->xid = xid;
-            break;
-        }
-    }
-}
-
-uint32_t xid_to_slice_id_slow(unsigned int xid) {
-    uint32_t slice_id;
-    char *slice_name = get_current_username (xid);
-    char *slice_path = (char *) malloc(sizeof(VSERVER_CONFIG_PATH) + strlen(slice_name) + sizeof(SLICE_ID_FILE) + sizeof("//"));
-    sprintf(slice_path,"%s/%s/%s",VSERVER_CONFIG_PATH,slice_name,SLICE_ID_FILE);
-    FILE *fp = fopen(slice_path, "r");
-    if (fp) {
-        fscanf(fp,"%u",&slice_id);
-        set_hash_entry(xid, slice_id);
-    }
-    else
-        slice_id = xid; // Let's leave some evidence behind, even if it's imperfect.
-    fclose(fp);
-    return slice_id;
-}
-
-uint32_t xid_to_slice_id_fast(unsigned int xid) {
-    int idx = xid & HASH_TABLE_MASK;
-    int i;
-    uint32_t slice_id = 0;
-
-    struct hash_entry *entry = &slice_id_hash[idx];
-    if (entry->xid == xid)
-        return entry->slice_id;
-
-    for (i = idx+1;i!=idx;i=(i+1) & HASH_TABLE_MASK) {
-        entry = &slice_id_hash[i];
-        if (entry->xid == xid) {
-            slice_id = entry->slice_id;
-            break;
-        }
-    }
-
-    return slice_id;
-}
-
-uint32_t xid_to_slice_id(unsigned int xid) {
-    uint32_t slice_id;
-    if (xid == 0)
-        return 0;
-    else if ((slice_id = xid_to_slice_id_fast(xid)) != 0)
-        return slice_id;
-    else
-        return xid_to_slice_id_slow(xid);
-}
-
-
-#endif