58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) NGINX, Inc.
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*/
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#include <nxt_main.h>
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#include <nxt_socket_msg.h>
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ssize_t
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nxt_sendmsg(nxt_socket_t s, nxt_iobuf_t *iob, nxt_uint_t niob,
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const nxt_send_oob_t *oob)
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{
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struct msghdr msg;
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msg.msg_name = NULL;
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msg.msg_namelen = 0;
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msg.msg_iov = iob;
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msg.msg_iovlen = niob;
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/* Flags are cleared just to suppress valgrind warning. */
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msg.msg_flags = 0;
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if (oob != NULL && oob->size != 0) {
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msg.msg_control = (void *) oob->buf;
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msg.msg_controllen = oob->size;
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} else {
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msg.msg_control = NULL;
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msg.msg_controllen = 0;
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}
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return sendmsg(s, &msg, 0);
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}
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ssize_t
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nxt_recvmsg(nxt_socket_t s, nxt_iobuf_t *iob, nxt_uint_t niob,
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nxt_recv_oob_t *oob)
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{
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ssize_t n;
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struct msghdr msg;
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msg.msg_name = NULL;
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msg.msg_namelen = 0;
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msg.msg_iov = iob;
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msg.msg_iovlen = niob;
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msg.msg_control = oob->buf;
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msg.msg_controllen = sizeof(oob->buf);
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n = recvmsg(s, &msg, 0);
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if (nxt_fast_path(n != -1)) {
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oob->size = msg.msg_controllen;
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}
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return n;
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}
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