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尝试使用sendfile优化http文件服务器 (#1411)

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夏楚
2022-02-04 23:02:19 +08:00
committed by GitHub
parent c72cf4cbcc
commit d13e31c21b
3 changed files with 30 additions and 0 deletions
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14
src/Http/HttpBody.cpp
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@@ -65,9 +65,23 @@ HttpFileBody::HttpFileBody(const std::shared_ptr<FILE> &fp, size_t offset, size_
init(fp, offset, max_size, use_mmap);
}
#if defined(__linux__) || defined(__linux)
#include <sys/sendfile.h>
#endif
int HttpFileBody::sendFile(int fd) {
#if defined(__linux__) || defined(__linux)
off_t off = _file_offset;
return sendfile(fd, fileno(_fp.get()), &off, _max_size);
#else
return -1;
#endif
}
void HttpFileBody::init(const std::shared_ptr<FILE> &fp, size_t offset, size_t max_size, bool use_mmap) {
_fp = fp;
_max_size = max_size;
_file_offset = offset;
#ifdef ENABLE_MMAP
if (use_mmap) {
do {