int load_conf_ip_hash_mmap_connect()
{
if (load_conf() == -1) //读取配置
return -1;
if (build_dir() == -1) //创建cdn测速的待发文件目录，idc和cdn的mmap文件所在目录
return -1;
if (load_ip() == -1) //读入ip库
return -1;
if (load_hash() == -1) //创建hash表，用以记录mmap中每一条记录在mmap中的偏移
return -1;
if (load_mmap() == -1) //创建mmap文件
return -1;
if (load_linkip(link_ip_config_file) == -1)
return -1;
DEBUG_LOG("GET from ip:ip_ready\t:[%u]",idc_test_ip_mmap.ready_num);
DEBUG_LOG("GET from area:area_ready\t:[%u]",idc_test_area_mmap.ready_num);
set_hash_for_area_mmap();//从ip库中读出每一条"省市运营商"记录,写入mmap，并相应建立area的hash表
int data;
backup_mmap_file(0, &data);
if (connect_2_dbserver() == -1)
return 0;
return 0;
}
static int process_file(const char *path, const char *suffix,
struct selabel_handle *rec, const char *prefix)
{
FILE *fp;
struct stat sb;
unsigned int lineno;
size_t line_len = 0;
char *line_buf = NULL;
int rc;
char stack_path[PATH_MAX + 1];
/* append the path suffix if we have one */
if (suffix) {
rc = snprintf(stack_path, sizeof(stack_path),
"%s.%s", path, suffix);
if (rc >= (int)sizeof(stack_path)) {
errno = ENAMETOOLONG;
return -1;
}
path = stack_path;
}
/* Open the specification file. */
if ((fp = fopen(path, "r")) == NULL)
return -1;
__fsetlocking(fp, FSETLOCKING_BYCALLER);
if (fstat(fileno(fp), &sb) < 0)
return -1;
if (!S_ISREG(sb.st_mode)) {
errno = EINVAL;
return -1;
}
rc = load_mmap(rec, path, &sb);
if (rc == 0)
goto out;
/*
* Then do detailed validation of the input and fill the spec array
*/
lineno = 0;
rc = 0;
while (getline(&line_buf, &line_len, fp) > 0) {
rc = process_line(rec, path, prefix, line_buf, ++lineno);
if (rc)
goto out;
}
out:
free(line_buf);
fclose(fp);
return rc;
}
static int process_file(const char *path, const char *suffix,
struct selabel_handle *rec,
const char *prefix, struct selabel_digest *digest)
{
FILE *fp;
struct stat sb;
unsigned int lineno;
size_t line_len = 0;
char *line_buf = NULL;
int rc;
char stack_path[PATH_MAX + 1];
bool isbinary = false;
uint32_t magic;
/* append the path suffix if we have one */
if (suffix) {
rc = snprintf(stack_path, sizeof(stack_path),
"%s.%s", path, suffix);
if (rc >= (int)sizeof(stack_path)) {
errno = ENAMETOOLONG;
return -1;
}
path = stack_path;
}
/* Open the specification file. */
fp = fopen(path, "r");
if (fp) {
__fsetlocking(fp, FSETLOCKING_BYCALLER);
if (fstat(fileno(fp), &sb) < 0)
return -1;
if (!S_ISREG(sb.st_mode)) {
errno = EINVAL;
return -1;
}
magic = 0;
if (fread(&magic, sizeof magic, 1, fp) != 1) {
if (ferror(fp)) {
errno = EINVAL;
fclose(fp);
return -1;
}
clearerr(fp);
}
if (magic == SELINUX_MAGIC_COMPILED_FCONTEXT) {
/* file_contexts.bin format */
fclose(fp);
fp = NULL;
isbinary = true;
} else {
rewind(fp);
}
} else {
/*
* Text file does not exist, so clear the timestamp
* so that we will always pass the timestamp comparison
* with the bin file in load_mmap().
*/
sb.st_mtime = 0;
}
rc = load_mmap(rec, path, &sb, isbinary, digest);
if (rc == 0)
goto out;
if (!fp)
return -1; /* no text or bin file */
/*
* Then do detailed validation of the input and fill the spec array
*/
lineno = 0;
rc = 0;
while (getline(&line_buf, &line_len, fp) > 0) {
rc = process_line(rec, path, prefix, line_buf, ++lineno);
if (rc)
goto out;
}
rc = digest_add_specfile(digest, fp, NULL, sb.st_size, path);
out:
free(line_buf);
if (fp)
fclose(fp);
return rc;
}
