Mercurial > hg > nginx-quic
view src/os/win32/ngx_wsarecv_chain.c @ 313:98f1a8028067
nginx-0.0.3-2004-04-13-19:08:48 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 13 Apr 2004 15:08:48 +0000 |
parents | a472bfb778b3 |
children | 6bdf858bff8c |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> ssize_t ngx_wsarecv_chain(ngx_connection_t *c, ngx_chain_t *chain) { int rc; u_char *prev; u_long bytes, flags; size_t size; WSABUF *wsabuf; ngx_err_t err; ngx_array_t io; ngx_event_t *rev; prev = NULL; wsabuf = NULL; flags = 0; size = 0; bytes = 0; ngx_init_array(io, c->pool, 10, sizeof(WSABUF), NGX_ERROR); /* coalesce the neighbouring hunks */ while (chain) { if (prev == chain->hunk->last) { wsabuf->len += chain->hunk->end - chain->hunk->last; } else { ngx_test_null(wsabuf, ngx_push_array(&io), NGX_ERROR); wsabuf->buf = (char *) chain->hunk->last; wsabuf->len = chain->hunk->end - chain->hunk->last; } size += chain->hunk->end - chain->hunk->last; prev = chain->hunk->end; chain = chain->next; } ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, "WSARecv: %d:%d", io.nelts, wsabuf->len); rc = WSARecv(c->fd, io.elts, io.nelts, &bytes, &flags, NULL, NULL); rev = c->read; if (rc == -1) { rev->ready = 0; err = ngx_socket_errno; if (err == WSAEWOULDBLOCK) { ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, "WSARecv() not ready"); return NGX_AGAIN; } rev->error = 1; ngx_connection_error(c, err, "WSARecv() failed"); return NGX_ERROR; } if (bytes < size) { rev->ready = 0; } if (bytes == 0) { rev->eof = 1; } return bytes; }