void httpsession_read(struct event *ev,int what, void *d)
{
size_t len=0;
size_t conten_len=0;
char *line=NULL;
char *ptr=NULL;
//ptr=buff_tail_ptr()
HttpSession *session = (HttpSession *)d;
len=buff_read(session->fd, session->request.buff, buff_tail_left(session->request.buff));
if(len<=0 )
goto fail;
while( (line=buff_get_line( session->request.buff,EOL_CRLF)) !=NULL )
{
if(session->request.prase_status==HPARSE_HEAD )
{
if( strlen(line)==0 )
{
session->request.prase_status=HPARSE_CONTENT;
break;
}
if(http_parse_head(&session->request, line) == -1)
{
TraceErr("http_parse_head fail\n");
goto fail;
}
continue;
}
if(session->request.prase_status==HPARSE_FIRST_LINE)
{
if(http_parse_first_line(&session->request,line)==-1)
goto fail;
session->request.prase_status=HPARSE_HEAD;
continue;
}
}
if(session->request.prase_status== HPARSE_CONTENT )
{
if(buff_len(session->request.buff) >= session->request.content_len)
{
session->request.prase_status = HPARSE_DONE;
if(httpserver_route_request(session)!=200)goto fail;
//if(session->server->request_callback(session,session->server->arg) != 0 )
// goto fail;
//event_fd_setflags(session->ev,EPOLLIN|EPOLLOUT);
//event_fd_setcallback(session->ev,httpsession_write);
event_fd_setcallback(session->ev,httpsession_file_write);
event_fd_setflags(session->ev,EPOLLOUT);
}
}
return;
fail:
TraceErr("httpsession_read fail\n");
httpserver_session_free(session);
return;
}
void httpsession_write(struct event *ev,int what, void *d)
{
HttpSession *session = (HttpSession *)d;
Buff *buff=session->response;
int len=0;
if(buff_len(buff)>0 )
{
len=buff_write(session->fd,buff,buff_len(buff));
if(len<0)
{
if(errno == EAGAIN)
{
return;
}
}
if(buff_len(buff)==0 )
httpserver_session_free( session);
}
}
bool clIndexerProtocol::ReadReply(clNamedPipe* conn, clIndexerReply& reply)
{
// first we read sizeof(size_t) to get the actual data size
size_t buff_len(0);
size_t actual_read(0);
if ( !conn->read((void*)&buff_len, sizeof(buff_len), &actual_read, 10000) ) {
fprintf(stderr, "ERROR: ReadReply: Failed to read from the pipe, reason: %d\n", conn->getLastError());
return false;
}
if (actual_read != sizeof(buff_len)) {
fprintf(stderr, "ERROR: ReadReply: Protocol error: expected %lu bytes, got %u. reason: %d\n",
sizeof(buff_len),
(unsigned int)actual_read,
conn->getLastError());
return false;
}
if ((buff_len / (1024*1024)) > 15) {
// Dont read buffers larger than 15MB...
return false;
}
char *data = new char[buff_len];
CharDeleter deleter(data);
int bytes_left(buff_len);
size_t bytes_read(0);
while (bytes_left > 0) {
if ( !conn->read(data+bytes_read, bytes_left, &actual_read, 10000) ) {
fprintf(stderr, "ERROR: Protocol error: expected %u bytes, got %u\n", (unsigned int)buff_len, (unsigned int)actual_read);
return false;
}
bytes_left -= actual_read;
bytes_read += actual_read;
}
reply.fromBinary(data);
return true;
}
bool clIndexerProtocol::ReadRequest(clNamedPipe* conn, clIndexerRequest& req)
{
// first we read sizeof(size_t) to get the actual data size
size_t buff_len(0);
size_t actual_read(0);
if ( !conn->read((void*)&buff_len, sizeof(buff_len), &actual_read, -1) ) {
fprintf(stderr, "ERROR: Failed to read from the pipe, reason: %d\n", conn->getLastError());
return false;
}
if (actual_read != sizeof(buff_len)) {
fprintf(stderr, "ERROR: Protocol error: expected %lu bytes, got %u\n", sizeof(buff_len), (unsigned int)actual_read);
return false;
}
if(buff_len == 0)
return false;
char *data = new char[buff_len];
CharDeleter deleter(data);
int bytes_left(buff_len);
size_t bytes_read(0);
while (bytes_left > 0) {
if ( !conn->read(data+bytes_read, bytes_left, &actual_read, -1) ) {
fprintf(stderr, "ERROR: [%s] Protocol error: expected %u bytes, got %u\n", __PRETTY_FUNCTION__, (unsigned int)buff_len, (unsigned int)actual_read);
return false;
}
bytes_left -= actual_read;
bytes_read += actual_read;
}
req.fromBinary(data);
return true;
}
void httpsession_file_write(struct event *ev,int what, void *d)
{
HttpSession *session = (HttpSession *)d;
Buff *buff=session->response;
int file_fd=session->file_fd;
int len=0;
/*here is most send http head or fail with EAGAIN*/
if(buff_len(buff)>0 )
{
len=buff_write(session->fd,buff,buff_len(buff));
if(len<0)
{
if(errno == EAGAIN)
{
return;
}
}
}
while(1)
{
buff_set_startpos( buff,0);
/*read file*/
do
{
len=buff_read(file_fd,buff,buff_tail_left(buff));
if(len == 0 )
{
httpserver_session_free( session);
return;
}
if(len == -1)
{
if(errno == EAGAIN)
{
continue;
}
TraceErr("read file fail:%s\n",strerror(errno));
httpserver_session_free( session);
return ;
}
}while(0);
session->total_read+=len;
/*send out*/
len=buff_write(session->fd,buff,buff_len(buff));
if(len<0)
{
/*socket buff full,try again*/
if(errno == EAGAIN)
{
return;
}
/*error free session*/
TraceErr("session write:FAIL\n");
httpserver_session_free( session);
break;
}
//printf("session write:%u\n",len);
}
}
