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#include <errno.h>
#include "common/errno.h"
#include "include/types.h"
#include "rgw_common.h"
#include "rgw_rados.h"
#include "rgw_tools.h"
#define dout_subsys ceph_subsys_rgw
#define READ_CHUNK_LEN (512 * 1024)
static map<string, string> ext_mime_map;
int rgw_put_system_obj(RGWRados *rgwstore, rgw_bucket& bucket, string& oid, const char *data, size_t size, bool exclusive, map<string, bufferlist> *pattrs)
{
map<string,bufferlist> no_attrs;
if (!pattrs)
pattrs = &no_attrs;
rgw_obj obj(bucket, oid);
int ret = rgwstore->put_obj(NULL, obj, data, size, exclusive, NULL, *pattrs);
if (ret == -ENOENT) {
ret = rgwstore->create_pool(bucket);
if (ret >= 0)
ret = rgwstore->put_obj(NULL, obj, data, size, exclusive, NULL, *pattrs);
}
return ret;
}
int rgw_get_obj(RGWRados *rgwstore, void *ctx, rgw_bucket& bucket, string& key, bufferlist& bl, map<string, bufferlist> *pattrs)
{
int ret;
struct rgw_err err;
void *handle = NULL;
bufferlist::iterator iter;
int request_len = READ_CHUNK_LEN;
rgw_obj obj(bucket, key);
do {
ret = rgwstore->prepare_get_obj(ctx, obj, NULL, NULL, pattrs, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, &handle, &err);
if (ret < 0)
return ret;
ret = rgwstore->get_obj(ctx, &handle, obj, bl, 0, request_len - 1);
rgwstore->finish_get_obj(&handle);
if (ret < 0)
return ret;
if (ret < request_len)
break;
bl.clear();
request_len *= 2;
} while (true);
return 0;
}
void parse_mime_map_line(const char *start, const char *end)
{
char line[end - start + 1];
strncpy(line, start, end - start);
line[end - start] = '\0';
char *l = line;
#define DELIMS " \t\n\r"
while (isspace(*l))
l++;
char *mime = strsep(&l, DELIMS);
if (!mime)
return;
char *ext;
do {
ext = strsep(&l, DELIMS);
if (ext && *ext) {
ext_mime_map[ext] = mime;
}
} while (ext);
}
void parse_mime_map(const char *buf)
{
const char *start = buf, *end = buf;
while (*end) {
while (*end && *end != '\n') {
end++;
}
parse_mime_map_line(start, end);
end++;
start = end;
}
}
static int ext_mime_map_init(CephContext *cct, const char *ext_map)
{
int fd = open(ext_map, O_RDONLY);
char *buf = NULL;
int ret;
if (fd < 0) {
ret = -errno;
ldout(cct, 0) << "ext_mime_map_init(): failed to open file=" << ext_map << " ret=" << ret << dendl;
return ret;
}
struct stat st;
ret = fstat(fd, &st);
if (ret < 0) {
ret = -errno;
ldout(cct, 0) << "ext_mime_map_init(): failed to stat file=" << ext_map << " ret=" << ret << dendl;
goto done;
}
buf = (char *)malloc(st.st_size + 1);
if (!buf) {
ret = -ENOMEM;
ldout(cct, 0) << "ext_mime_map_init(): failed to allocate buf" << dendl;
goto done;
}
ret = read(fd, buf, st.st_size + 1);
if (ret != st.st_size) {
// huh? file size has changed, what are the odds?
ldout(cct, 0) << "ext_mime_map_init(): raced! will retry.." << dendl;
free(buf);
close(fd);
return ext_mime_map_init(cct, ext_map);
}
buf[st.st_size] = '\0';
parse_mime_map(buf);
ret = 0;
done:
free(buf);
close(fd);
return ret;
}
const char *rgw_find_mime_by_ext(string& ext)
{
map<string, string>::iterator iter = ext_mime_map.find(ext);
if (iter == ext_mime_map.end())
return NULL;
return iter->second.c_str();
}
int rgw_tools_init(CephContext *cct)
{
int ret = ext_mime_map_init(cct, cct->_conf->rgw_mime_types_file.c_str());
if (ret < 0)
return ret;
return 0;
}
void rgw_tools_cleanup()
{
ext_mime_map.clear();
}
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