int HTTPConnectionSendFile(HTTPConnectionRef const conn, strarg_t const path, strarg_t const type, int64_t size) {
int rc = async_fs_open(path, O_RDONLY, 0000);
if(UV_ENOENT == rc) return HTTPConnectionSendStatus(conn, 404);
if(rc < 0) return HTTPConnectionSendStatus(conn, 400); // TODO: Error conversion.
uv_file file = rc; rc = 0;
if(size < 0) {
uv_fs_t req[1];
rc = async_fs_fstat(file, req);
if(rc < 0) {
rc = HTTPConnectionSendStatus(conn, 400);
goto cleanup;
}
if(S_ISDIR(req->statbuf.st_mode)) {
rc = UV_EISDIR;
goto cleanup;
}
if(!S_ISREG(req->statbuf.st_mode)) {
rc = HTTPConnectionSendStatus(conn, 403);
goto cleanup;
}
size = req->statbuf.st_size;
}
rc = rc < 0 ? rc : HTTPConnectionWriteResponse(conn, 200, "OK");
rc = rc < 0 ? rc : HTTPConnectionWriteContentLength(conn, size);
// TODO: Caching and other headers.
if(type) rc = rc < 0 ? rc : HTTPConnectionWriteHeader(conn, "Content-Type", type);
rc = rc < 0 ? rc : HTTPConnectionBeginBody(conn);
rc = rc < 0 ? rc : HTTPConnectionWriteFile(conn, file);
rc = rc < 0 ? rc : HTTPConnectionEnd(conn);
cleanup:
async_fs_close(file); file = -1;
return rc;
}
int HTTPConnectionWriteChunkFile(HTTPConnectionRef const conn, strarg_t const path) {
bool worker = false;
uv_file file = -1;
byte_t *buf = NULL;
int rc;
async_pool_enter(NULL); worker = true;
rc = async_fs_open(path, O_RDONLY, 0000);
if(rc < 0) goto cleanup;
file = rc;
buf = malloc(BUFFER_SIZE);
if(!buf) rc = UV_ENOMEM;
if(rc < 0) goto cleanup;
uv_buf_t const chunk = uv_buf_init((char *)buf, BUFFER_SIZE);
ssize_t len = async_fs_readall_simple(file, &chunk);
if(len < 0) rc = len;
if(rc < 0) goto cleanup;
// Fast path for small files.
if(len < BUFFER_SIZE) {
str_t pfx[16];
int const pfxlen = snprintf(pfx, sizeof(pfx), "%llx\r\n", (unsigned long long)len);
if(pfxlen < 0) rc = UV_UNKNOWN;
if(rc < 0) goto cleanup;
uv_buf_t parts[] = {
uv_buf_init(pfx, pfxlen),
uv_buf_init((char *)buf, len),
uv_buf_init((char *)STR_LEN("\r\n")),
};
async_fs_close(file); file = -1;
async_pool_leave(NULL); worker = false;
rc = HTTPConnectionWritev(conn, parts, numberof(parts));
goto cleanup;
}
uv_fs_t req[1];
rc = async_fs_fstat(file, req);
if(rc < 0) goto cleanup;
if(0 == req->statbuf.st_size) goto cleanup;
async_pool_leave(NULL); worker = false;
// TODO: HACK, WriteFile continues from where we left off
rc = rc < 0 ? rc : HTTPConnectionWriteChunkLength(conn, req->statbuf.st_size);
rc = rc < 0 ? rc : HTTPConnectionWritev(conn, &chunk, 1);
rc = rc < 0 ? rc : HTTPConnectionWriteFile(conn, file);
rc = rc < 0 ? rc : HTTPConnectionWrite(conn, (byte_t const *)STR_LEN("\r\n"));
cleanup:
FREE(&buf);
if(file >= 0) { async_fs_close(file); file = -1; }
if(worker) { async_pool_leave(NULL); worker = false; }
assert(file < 0);
assert(!worker);
return rc;
}
int HTTPConnectionSendFile(HTTPConnectionRef const conn, strarg_t const path, strarg_t const type, int64_t size) {
uv_file const file = async_fs_open(path, O_RDONLY, 0000);
if(UV_ENOENT == file) return HTTPConnectionSendStatus(conn, 404);
if(file < 0) return HTTPConnectionSendStatus(conn, 400); // TODO: Error conversion.
int rc = 0;
if(size < 0) {
uv_fs_t req[1];
rc = async_fs_fstat(file, req);
if(rc < 0) return HTTPConnectionSendStatus(conn, 400);
size = req->statbuf.st_size;
}
rc = rc < 0 ? rc : HTTPConnectionWriteResponse(conn, 200, "OK");
rc = rc < 0 ? rc : HTTPConnectionWriteContentLength(conn, size);
// TODO: Caching and other headers.
if(type) rc = rc < 0 ? rc : HTTPConnectionWriteHeader(conn, "Content-Type", type);
rc = rc < 0 ? rc : HTTPConnectionBeginBody(conn);
rc = rc < 0 ? rc : HTTPConnectionWriteFile(conn, file);
rc = rc < 0 ? rc : HTTPConnectionEnd(conn);
async_fs_close(file);
return rc;
}
