void *request_handler(void *ptr) {
#ifdef DEBUG
printf("enter request_handler\n");
#endif
int client_fd = ((Thread_Input*)ptr)->client_fd;
Request request;
Response response;
parse_request_header(client_fd, &request);
modify_request_header(&request);
if (check_cache(&request, &response)) {
send_client(client_fd, &response);
} else {
if (forward_request(client_fd, &request, &response) < 0) {
Close(client_fd);
return NULL;
} else {
if (response.content_size <= MAX_OBJECT_SIZE)
save_to_cache(&request, &response);
}
}
free(ptr);
Close(client_fd);
#ifdef DEBUG
printf("connection close\n\n");
printf("leave request_handler\n");
#endif
return NULL;
}
StatusLine FileReader::get_from_file(const std::string& full_path,Entity& saver )
{
std::ifstream file_stream(full_path.c_str(),std::ios::in | std::ios::binary);
if (! file_stream.is_open()) {
return StatusLine(http_500,"fail to open file");
}
while (!file_stream.eof() ) {
saver.data().ensure_write_space(m_read_block_size);
file_stream.read(saver.data().wt_ptr(),m_read_block_size) ;
saver.data().has_written(file_stream.gcount());
}
saver.head().get_container()[HeadFields::EntityFields::ent_content_length]=
StringHelper::integer_to_string<size_t>((size_t)saver.data().readable_bytes());
save_to_cache(full_path,saver);
return StatusLine(http_200,"");
}
/*
* request_handler - general function to handler each client request
*/
void *request_handler(int client_fd) {
#ifdef DEBUG
printf("enter request_handler\n");
#endif
Request request;
Response response;
parse_request_header(client_fd, &request);
modify_request_header(&request);
if (check_cache(&request, &response)) {
#ifdef DEBUG
printf("in cache ! \n");
#endif
send_client(client_fd, &response);
} else {
#ifdef DEBUG
printf("not in cache !\n");
#endif
if (forward_request(client_fd, &request, &response) < 0) {
close(client_fd);
return NULL;
} else {
/* save to cache if status code 2XX and < max size */
if (response.content_size <= MAX_OBJECT_SIZE &&
response.header[state_ofs] == '2')
save_to_cache(&request, &response);
}
}
close(client_fd);
#ifdef DEBUG
printf("connection close\n");
printf("leave request_handler\n");
#endif
return NULL;
}
