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107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
/**
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* the HTTP chunk-API
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*
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*
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*/
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#include "server.h"
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#include "chunk.h"
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#include "http_chunk.h"
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#include "log.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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static void http_chunk_append_len(server *srv, connection *con, size_t len) {
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buffer *b;
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force_assert(NULL != srv);
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b = srv->tmp_chunk_len;
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buffer_string_set_length(b, 0);
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buffer_append_uint_hex(b, len);
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buffer_append_string_len(b, CONST_STR_LEN("\r\n"));
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chunkqueue_append_buffer(con->write_queue, b);
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}
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void http_chunk_append_file(server *srv, connection *con, buffer *fn, off_t offset, off_t len) {
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chunkqueue *cq;
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force_assert(NULL != con);
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if (0 == len) return;
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cq = con->write_queue;
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if (con->response.transfer_encoding & HTTP_TRANSFER_ENCODING_CHUNKED) {
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http_chunk_append_len(srv, con, len);
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}
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chunkqueue_append_file(cq, fn, offset, len);
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if (con->response.transfer_encoding & HTTP_TRANSFER_ENCODING_CHUNKED) {
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chunkqueue_append_mem(cq, CONST_STR_LEN("\r\n"));
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}
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}
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void http_chunk_append_buffer(server *srv, connection *con, buffer *mem) {
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chunkqueue *cq;
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force_assert(NULL != con);
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if (buffer_string_is_empty(mem)) return;
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cq = con->write_queue;
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if (con->response.transfer_encoding & HTTP_TRANSFER_ENCODING_CHUNKED) {
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http_chunk_append_len(srv, con, buffer_string_length(mem));
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}
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chunkqueue_append_buffer(cq, mem);
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if (con->response.transfer_encoding & HTTP_TRANSFER_ENCODING_CHUNKED) {
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chunkqueue_append_mem(cq, CONST_STR_LEN("\r\n"));
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}
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}
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void http_chunk_append_mem(server *srv, connection *con, const char * mem, size_t len) {
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chunkqueue *cq;
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force_assert(NULL != con);
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force_assert(NULL != mem || 0 == len);
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if (NULL == mem || 0 == len) return;
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cq = con->write_queue;
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if (con->response.transfer_encoding & HTTP_TRANSFER_ENCODING_CHUNKED) {
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http_chunk_append_len(srv, con, len);
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}
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chunkqueue_append_mem(cq, mem, len);
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if (con->response.transfer_encoding & HTTP_TRANSFER_ENCODING_CHUNKED) {
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chunkqueue_append_mem(cq, CONST_STR_LEN("\r\n"));
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}
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}
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void http_chunk_close(server *srv, connection *con) {
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UNUSED(srv);
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force_assert(NULL != con);
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if (con->response.transfer_encoding & HTTP_TRANSFER_ENCODING_CHUNKED) {
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chunkqueue_append_mem(con->write_queue, CONST_STR_LEN("0\r\n\r\n"));
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}
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}
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