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#include "full.h"
// prototypes:
int add_revs_dir(char *, char *);
void read_revision_all(char *, char *, int);
int read_stats_all(struct stats *stats, char *prefix, int rev, FILE *file);
#define CURRENT_SNAPSHOT "mirror_metadata.current.snapshot"
// variables:
tree_t structure_tree = NULL;
// public:
int full_build(struct file_system_info *fsinfo){
int i = 0;
gtreenew(&structure_tree);
if ((fsinfo->rev_count[0] = gather_revisions(fsinfo, fsinfo->repos[0], data_dir)) == -1)
return -1;
for (i = fsinfo->rev_count[0] - 1; i >= 0; i--){
add_snapshot(fsinfo->revs[i], CURRENT_SNAPSHOT, data_dir);
read_revision_all(NULL, fsinfo->revs[i], fsinfo->rev_count[0] - i - 1);
};
return 0;
};
int full_build_multi(struct file_system_info *fsinfo){
#define full_build_multi_free_revs \
if (fsinfo->revs != NULL){ \
char *snapshot = NULL; \
gmstrcpy(&snapshot, data_dir, "/", CURRENT_SNAPSHOT, 0); \
unlink(snapshot); \
gstrdel(snapshot); \
}
#define full_build_multi_finish(value) { \
full_build_multi_free_revs; \
return value; \
}
int i = 0, j = 0;
debug(2, "Received %d repos;\n", fsinfo->repo_count);
gtreenew(&structure_tree);
for (i = 0; i < fsinfo->repo_count; i++){
if ((fsinfo->rev_count[i] = gather_revisions(fsinfo, fsinfo->repos[i], data_dir)) == -1)
continue;
if (add_repo_dir(fsinfo->repo_names[i], structure_tree) == -1){
full_build_multi_free_revs;
continue;
};
for (j = fsinfo->rev_count[i] - 1; j >= 0; j--){
add_snapshot(fsinfo->revs[j], CURRENT_SNAPSHOT, data_dir);
read_revision_all(fsinfo->repo_names[i], fsinfo->revs[j], fsinfo->rev_count[i] - j - 1);
};
full_build_multi_free_revs;
};
return 0;
};
int full_get_file(struct file_system_info *fsinfo, char *repo, char *revision, char *internal, stats_t **stats){
(void) fsinfo;
char *path = NULL;
int result = 0;
set_path(path, repo, revision, internal);
result = gtreeget(structure_tree, path, stats);
gstrdel(path);
return result;
};
char** full_get_children(struct file_system_info *fsinfo, char *repo, char *revision, char *internal){
(void) fsinfo;
char *path = NULL;
char **result = NULL;
set_path(path, repo, revision, internal);
result = gtreecld(structure_tree, path);
gstrdel(path);
return result;
};
// private:
void read_revision_all(char *repo, char *rev, int rev_index){
#define read_revision_error { \
gstrdel(file); \
gstrdel(rev_dir); \
if (file != NULL) \
fclose(file); \
return; \
}
// printf("[Function: read_repo_revision] Received repo %s and revision %s;\n", repo, rev);
char *rev_dir = NULL;
char *file_path = NULL;
FILE *file = NULL;
struct stats *stats = calloc(1, sizeof(struct stats));
if (repo == NULL){
if (gmstrcpy(&rev_dir, "/", get_revs_dir(rev), 0) != 0)
read_revision_error;
}
else{ // repo != NULL
if (gmstrcpy(&rev_dir, "/", repo, "/", get_revs_dir(rev), 0) != 0)
read_revision_error;
};
if (gmstrcpy(&file_path, data_dir, "/", CURRENT_SNAPSHOT, 0) != 0)
read_revision_error;
if ((file = fopen(file_path, "r")) == NULL)
read_revision_error;
add_revs_dir(rev, repo);
while (read_stats_all(stats, rev_dir, rev_index, file) == 0)
update_tree(structure_tree, stats, stats->path);
fclose(file);
gmstrcpy(&file_path, data_dir, "/", rev, 0);
unlink(file_path);
gstrdel(file_path);
gstrdel(rev_dir);
free(stats);
};
int read_stats_all(struct stats *stats, char *prefix, int rev, FILE *file){
if (read_stats(stats, file) != 0)
return -1;
if (gmstrcpy(&stats->path, prefix, "/", stats->internal, 0) == -1)
return -1;
gstrdel(stats->internal);
if (gpthcldptr(&stats->name, stats->path) == -1)
return -1;
if (stats->type == S_IFDIR)
stats->size = DIR_SIZE;
stats->internal = stats->path + strlen(prefix) + strlen("/");
stats->rev = rev;
debug(2, "Read data of file %s\n", stats->path);
return 0;
};
int add_revs_dir(char *revision, char *repository){
struct stats stats;
memset(&stats, 0, sizeof(stats));
if (revision == NULL)
return -1;
if (repository == NULL){
gmstrcpy(&stats.path, "/", get_revs_dir(revision), NULL);
// printf("[Function: add_revs_dir] Adding revision %s to the data structure;\n", stats->path);
// stats->name = stats->path + strlen("/")'
stats.name = stats.path + 1;
}
else{
gmstrcpy(&stats.path, "/", repository, "/", get_revs_dir(revision), NULL);
// stats->name = stats->path + strlen("/") + strlen(repository) + strlen("/");
stats.name = stats.path + 1 + strlen(repository) + 1;
};
set_directory_stats(&stats);
return gtreeadd(structure_tree, &stats, stats.path);
};
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