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#include "initialize.h"
#include "config.h"
// private:
void check_mount(){
if (gpthpro(&mount_dir) != 0)
fail(ERR_NO_MOUNT);
};
void check_repo(struct file_system_info *fsinfo, int index){
char *rdiff_backup_dir = NULL;
// printf("[Function: check_repo] Checking repo %s;\n", fsinfo->repos[index]);
if (gmstrcpy(&rdiff_backup_dir, fsinfo->repos[index], "/rdiff-backup-data", 0) == -1)
fail(-1);
if (gpthpro(&rdiff_backup_dir) != 0)
fail(ERR_NO_REPO);
gstrdel(rdiff_backup_dir);
if (gpthpro(&fsinfo->repos[index]) != 0)
fail(ERR_NO_REPO);
//printf("[Function: check_repo] Setting repo to %s;\n", fsinfo->repos[index]);
};
void check_repos(struct file_system_info *fsinfo){
int i = 0;
fsinfo->repo_names = calloc(fsinfo->repo_count, sizeof(char *));
for (i = 0; i < fsinfo->repo_count; i++)
if (gpthcld(&fsinfo->repo_names[i], fsinfo->repos[i]) == -1)
fail(-1);
for (i = 0; i < fsinfo->repo_count; i++)
check_repo(fsinfo, i);
fsinfo->rev_count = calloc(fsinfo->repo_count, sizeof(int));
};
void layout_setup(){
if (layout == LAYOUT_ALL){
init = &all_init;
init_multi = &all_init_multi;
get_file = &all_get_file;
get_children = &all_get_children;
}
else if (layout == LAYOUT_LAST){
init = &versions_init;
init_multi = &versions_init_multi;
get_file = &versions_get_file;
get_children = &versions_get_children;
}
else
fail(-1);
};
void data_structure_setup(){
if (structure == STRUCTURE_FULL){
struct_build = &full_build;
struct_build_multi = &full_build_multi;
struct_get_children = &full_get_children;
struct_get_file = &full_get_file;
}
else if (structure == STRUCTURE_NECESSARY){
struct_build = &necessary_build;
struct_build_multi = &necessary_build_multi;
struct_get_children = &necessary_get_children;
struct_get_file = &necessary_get_file;
}
else
fail(-1);
};
void fuse_operations_setup(){
operations.getattr = &revs_getattr;
operations.readdir = &revs_readdir;
operations.readlink = &revs_readlink;
operations.open = &revs_open;
operations.read = &revs_read;
operations.release = &revs_release;
operations.destroy = &revs_destroy;
};
void create_tmp_dir(char **tmp_dir, char **tmp_file){
// printf("[Function: create_tmp_dir] Creating temporary directory\n");
char *tmpdirprefix = getenv("TMPDIR");
if (!tmpdirprefix)
tmpdirprefix = DEFAULT_TMP_DIR;
if (*tmp_dir == NULL)
if (gstrcpy(tmp_dir, tmpdirprefix) == -1)
fail(-1);
if (gpthpro(tmp_dir) != 0)
fail(ERR_NO_TMP);
int length = strlen(*tmp_dir) + strlen("/" TMP_DIR_NAME);
char tmp_template[length + 1];
strcpy(tmp_template, *tmp_dir);
strcpy(tmp_template + strlen(*tmp_dir), "/" TMP_DIR_NAME);
if (mkdtemp(tmp_template) == NULL)
fail(-1);
if (((*tmp_file) = gstralloc(length)) == NULL)
fail(-1);
strcpy((*tmp_file), tmp_template);
// printf("[Function: create_tmp_dir] Created directory %s;\n", *tmp_file);
};
// public:
void initialize(struct file_system_info *fsinfo){
check_mount();
check_repos(fsinfo);
create_tmp_dir(&tmp_dir, &data_dir);
data_structure_setup();
layout_setup();
fuse_operations_setup();
if (fsinfo->repo_count == 1){
if (init(fsinfo) == -1)
fail(ERR_REPO_READ);
}
else if (fsinfo->repo_count > 1)
init_multi(fsinfo);
else
fail(ERR_NO_REPO);
if (cache_limit == 0)
retriever_init_simple(fsinfo);
else
retriever_init_limit(fsinfo);
};
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