Annotation of embedaddon/lighttpd/src/network_solaris_sendfilev.c, revision 1.1.1.2
1.1.1.2 ! misho 1: #include "first.h"
! 2:
1.1 misho 3: #include "network_backends.h"
4:
1.1.1.2 ! misho 5: #if defined(USE_SOLARIS_SENDFILEV)
1.1 misho 6:
7: #include "network.h"
8: #include "log.h"
9:
1.1.1.2 ! misho 10: #include <sys/sendfile.h>
1.1 misho 11:
12: #include <errno.h>
13: #include <string.h>
14:
15: /**
16: * a very simple sendfilev() interface for solaris which can be optimised a lot more
17: * as solaris sendfilev() supports 'sending everythin in one syscall()'
18: */
19:
1.1.1.2 ! misho 20: int network_write_file_chunk_sendfile(server *srv, connection *con, int fd, chunkqueue *cq, off_t *p_max_bytes) {
! 21: chunk* const c = cq->first;
! 22: off_t offset;
! 23: off_t toSend;
! 24: size_t written = 0;
! 25: int r;
! 26: sendfilevec_t fvec;
! 27:
! 28: force_assert(NULL != c);
! 29: force_assert(FILE_CHUNK == c->type);
! 30: force_assert(c->offset >= 0 && c->offset <= c->file.length);
! 31:
! 32: offset = c->file.start + c->offset;
! 33: toSend = c->file.length - c->offset;
! 34: if (toSend > *p_max_bytes) toSend = *p_max_bytes;
! 35:
! 36: if (0 == toSend) {
! 37: chunkqueue_remove_finished_chunks(cq);
! 38: return 0;
! 39: }
1.1 misho 40:
1.1.1.2 ! misho 41: if (0 != network_open_file_chunk(srv, con, cq)) return -1;
1.1 misho 42:
1.1.1.2 ! misho 43: fvec.sfv_fd = c->file.fd;
! 44: fvec.sfv_flag = 0;
! 45: fvec.sfv_off = offset;
! 46: fvec.sfv_len = toSend;
! 47:
! 48: /* Solaris sendfilev() */
! 49:
! 50: if (-1 == (r = sendfilev(fd, &fvec, 1, &written))) {
! 51: switch(errno) {
! 52: case EAGAIN:
! 53: case EINTR:
! 54: /* for EAGAIN/EINTR written still contains the sent bytes */
! 55: break; /* try again later */
! 56: case EPIPE:
! 57: case ENOTCONN:
! 58: return -2;
! 59: case EINVAL:
! 60: case ENOSYS:
! 61: #if defined(ENOTSUP) \
! 62: && (!defined(EOPNOTSUPP) || EOPNOTSUPP != ENOTSUP)
! 63: case ENOTSUP:
! 64: #endif
! 65: #ifdef EOPNOTSUPP
! 66: case EOPNOTSUPP:
! 67: #endif
! 68: #ifdef ESOCKTNOSUPPORT
! 69: case ESOCKTNOSUPPORT:
! 70: #endif
! 71: #ifdef EAFNOSUPPORT
! 72: case EAFNOSUPPORT:
! 73: #endif
! 74: #ifdef USE_MMAP
! 75: return network_write_file_chunk_mmap(srv, con, fd, cq, p_max_bytes);
! 76: #else
! 77: return network_write_file_chunk_no_mmap(srv, con, fd, cq, p_max_bytes);
! 78: #endif
1.1 misho 79: default:
1.1.1.2 ! misho 80: log_error_write(srv, __FILE__, __LINE__, "ssd", "sendfile: ", strerror(errno), errno);
1.1 misho 81: return -1;
82: }
1.1.1.2 ! misho 83: }
1.1 misho 84:
1.1.1.2 ! misho 85: if (written >= 0) {
! 86: chunkqueue_mark_written(cq, written);
! 87: *p_max_bytes -= written;
1.1 misho 88: }
89:
1.1.1.2 ! misho 90: return (r >= 0 && (off_t) written == toSend) ? 0 : -3;
1.1 misho 91: }
92:
1.1.1.2 ! misho 93: #endif /* USE_SOLARIS_SENDFILEV */
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