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53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
#ifndef _LIGHTTPD_NETWORK_H_
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#define _LIGHTTPD_NETWORK_H_
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#ifndef _LIGHTTPD_BASE_H_
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#error Please include <lighttpd/base.h> instead of this file
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#endif
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#if defined(USE_LINUX_SENDFILE) || defined(USE_FREEBSD_SENDFILE) || defined(USE_SOLARIS_SENDFILEV) || defined(USE_OSX_SENDFILE)
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# define USE_SENDFILE
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#endif
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typedef enum {
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NETWORK_STATUS_SUCCESS, /**< some IO was actually done (read/write) or cq was empty for write */
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NETWORK_STATUS_FATAL_ERROR,
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NETWORK_STATUS_CONNECTION_CLOSE,
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NETWORK_STATUS_WAIT_FOR_EVENT, /**< read/write returned -1 with errno=EAGAIN/EWOULDBLOCK; no real IO was done
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internal: some io may be done */
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NETWORK_STATUS_WAIT_FOR_AIO_EVENT /**< nothing done yet, read/write will be done somewhere else */
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} network_status_t;
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/** repeats write after EINTR */
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LI_API ssize_t net_write(int fd, void *buf, ssize_t nbyte);
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/** repeats read after EINTR */
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LI_API ssize_t net_read(int fd, void *buf, ssize_t nbyte);
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LI_API network_status_t network_write(vrequest *vr, int fd, chunkqueue *cq);
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LI_API network_status_t network_read(vrequest *vr, int fd, chunkqueue *cq);
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/* use writev for mem chunks, buffered read/write for files */
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LI_API network_status_t network_write_writev(vrequest *vr, int fd, chunkqueue *cq, goffset *write_max);
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#ifdef USE_SENDFILE
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/* use sendfile for files, writev for mem chunks */
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LI_API network_status_t network_write_sendfile(vrequest *vr, int fd, chunkqueue *cq, goffset *write_max);
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#endif
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/* write backends */
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LI_API network_status_t network_backend_write(vrequest *vr, int fd, chunkqueue *cq, goffset *write_max);
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LI_API network_status_t network_backend_writev(vrequest *vr, int fd, chunkqueue *cq, goffset *write_max);
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#define NETWORK_FALLBACK(f, write_max) do { \
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network_status_t res; \
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switch(res = f(vr, fd, cq, write_max)) { \
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case NETWORK_STATUS_SUCCESS: \
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break; \
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default: \
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return res; \
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} \
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} while(0)
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#endif
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