diff options
Diffstat (limited to 'app/nginx/src/event/ngx_event_connect.c')
| -rw-r--r-- | app/nginx/src/event/ngx_event_connect.c | 410 |
1 files changed, 0 insertions, 410 deletions
diff --git a/app/nginx/src/event/ngx_event_connect.c b/app/nginx/src/event/ngx_event_connect.c deleted file mode 100644 index c5bb806..0000000 --- a/app/nginx/src/event/ngx_event_connect.c +++ /dev/null @@ -1,410 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> -#include <ngx_event_connect.h> - - -#if (NGX_HAVE_TRANSPARENT_PROXY) -static ngx_int_t ngx_event_connect_set_transparent(ngx_peer_connection_t *pc, - ngx_socket_t s); -#endif - - -ngx_int_t -ngx_event_connect_peer(ngx_peer_connection_t *pc) -{ - int rc, type; -#if (NGX_HAVE_IP_BIND_ADDRESS_NO_PORT || NGX_LINUX) - in_port_t port; -#endif - ngx_int_t event; - ngx_err_t err; - ngx_uint_t level; - ngx_socket_t s; - ngx_event_t *rev, *wev; - ngx_connection_t *c; - - rc = pc->get(pc, pc->data); - if (rc != NGX_OK) { - return rc; - } - - type = (pc->type ? pc->type : SOCK_STREAM); - - s = ngx_socket(pc->sockaddr->sa_family, type, 0); - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pc->log, 0, "%s socket %d", - (type == SOCK_STREAM) ? "stream" : "dgram", s); - - if (s == (ngx_socket_t) -1) { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - ngx_socket_n " failed"); - return NGX_ERROR; - } - - - c = ngx_get_connection(s, pc->log); - - if (c == NULL) { - if (ngx_close_socket(s) == -1) { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - ngx_close_socket_n "failed"); - } - - return NGX_ERROR; - } - - c->type = type; - - if (pc->rcvbuf) { - if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, - (const void *) &pc->rcvbuf, sizeof(int)) == -1) - { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - "setsockopt(SO_RCVBUF) failed"); - goto failed; - } - } - - if (ngx_nonblocking(s) == -1) { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - ngx_nonblocking_n " failed"); - - goto failed; - } - - if (pc->local) { - -#if (NGX_HAVE_TRANSPARENT_PROXY) - if (pc->transparent) { - if (ngx_event_connect_set_transparent(pc, s) != NGX_OK) { - goto failed; - } - } -#endif - -#if (NGX_HAVE_IP_BIND_ADDRESS_NO_PORT || NGX_LINUX) - port = ngx_inet_get_port(pc->local->sockaddr); -#endif - -#if (NGX_HAVE_IP_BIND_ADDRESS_NO_PORT) - - if (pc->sockaddr->sa_family != AF_UNIX && port == 0) { - static int bind_address_no_port = 1; - - if (bind_address_no_port) { - if (setsockopt(s, IPPROTO_IP, IP_BIND_ADDRESS_NO_PORT, - (const void *) &bind_address_no_port, - sizeof(int)) == -1) - { - err = ngx_socket_errno; - - if (err != NGX_EOPNOTSUPP && err != NGX_ENOPROTOOPT) { - ngx_log_error(NGX_LOG_ALERT, pc->log, err, - "setsockopt(IP_BIND_ADDRESS_NO_PORT) " - "failed, ignored"); - - } else { - bind_address_no_port = 0; - } - } - } - } - -#endif - -#if (NGX_LINUX) - - if (pc->type == SOCK_DGRAM && port != 0) { - int reuse_addr = 1; - - if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, - (const void *) &reuse_addr, sizeof(int)) - == -1) - { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - "setsockopt(SO_REUSEADDR) failed"); - goto failed; - } - } - -#endif - - if (bind(s, pc->local->sockaddr, pc->local->socklen) == -1) { - ngx_log_error(NGX_LOG_CRIT, pc->log, ngx_socket_errno, - "bind(%V) failed", &pc->local->name); - - goto failed; - } - } - - if (type == SOCK_STREAM) { - c->recv = ngx_recv; - c->send = ngx_send; - c->recv_chain = ngx_recv_chain; - c->send_chain = ngx_send_chain; - - c->sendfile = 1; - - if (pc->sockaddr->sa_family == AF_UNIX) { - c->tcp_nopush = NGX_TCP_NOPUSH_DISABLED; - c->tcp_nodelay = NGX_TCP_NODELAY_DISABLED; - -#if (NGX_SOLARIS) - /* Solaris's sendfilev() supports AF_NCA, AF_INET, and AF_INET6 */ - c->sendfile = 0; -#endif - } - - } else { /* type == SOCK_DGRAM */ - c->recv = ngx_udp_recv; - c->send = ngx_send; - c->send_chain = ngx_udp_send_chain; - } - - c->log_error = pc->log_error; - - rev = c->read; - wev = c->write; - - rev->log = pc->log; - wev->log = pc->log; - - pc->connection = c; - - c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); - - if (ngx_add_conn) { - if (ngx_add_conn(c) == NGX_ERROR) { - goto failed; - } - } - - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pc->log, 0, - "connect to %V, fd:%d #%uA", pc->name, s, c->number); - - rc = connect(s, pc->sockaddr, pc->socklen); - - if (rc == -1) { - err = ngx_socket_errno; - - - if (err != NGX_EINPROGRESS -#if (NGX_WIN32) - /* Winsock returns WSAEWOULDBLOCK (NGX_EAGAIN) */ - && err != NGX_EAGAIN -#endif - ) - { - if (err == NGX_ECONNREFUSED -#if (NGX_LINUX) - /* - * Linux returns EAGAIN instead of ECONNREFUSED - * for unix sockets if listen queue is full - */ - || err == NGX_EAGAIN -#endif - || err == NGX_ECONNRESET - || err == NGX_ENETDOWN - || err == NGX_ENETUNREACH - || err == NGX_EHOSTDOWN - || err == NGX_EHOSTUNREACH) - { - level = NGX_LOG_ERR; - - } else { - level = NGX_LOG_CRIT; - } - - ngx_log_error(level, c->log, err, "connect() to %V failed", - pc->name); - - ngx_close_connection(c); - pc->connection = NULL; - - return NGX_DECLINED; - } - } - - if (ngx_add_conn) { - if (rc == -1) { - - /* NGX_EINPROGRESS */ - - return NGX_AGAIN; - } - - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pc->log, 0, "connected"); - - wev->ready = 1; - - return NGX_OK; - } - - if (ngx_event_flags & NGX_USE_IOCP_EVENT) { - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, ngx_socket_errno, - "connect(): %d", rc); - - if (ngx_blocking(s) == -1) { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - ngx_blocking_n " failed"); - goto failed; - } - - /* - * FreeBSD's aio allows to post an operation on non-connected socket. - * NT does not support it. - * - * TODO: check in Win32, etc. As workaround we can use NGX_ONESHOT_EVENT - */ - - rev->ready = 1; - wev->ready = 1; - - return NGX_OK; - } - - if (ngx_event_flags & NGX_USE_CLEAR_EVENT) { - - /* kqueue */ - - event = NGX_CLEAR_EVENT; - - } else { - - /* select, poll, /dev/poll */ - - event = NGX_LEVEL_EVENT; - } - - if (ngx_add_event(rev, NGX_READ_EVENT, event) != NGX_OK) { - goto failed; - } - - if (rc == -1) { - - /* NGX_EINPROGRESS */ - - if (ngx_add_event(wev, NGX_WRITE_EVENT, event) != NGX_OK) { - goto failed; - } - - return NGX_AGAIN; - } - - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pc->log, 0, "connected"); - - wev->ready = 1; - - return NGX_OK; - -failed: - - ngx_close_connection(c); - pc->connection = NULL; - - return NGX_ERROR; -} - - -#if (NGX_HAVE_TRANSPARENT_PROXY) - -static ngx_int_t -ngx_event_connect_set_transparent(ngx_peer_connection_t *pc, ngx_socket_t s) -{ - int value; - - value = 1; - -#if defined(SO_BINDANY) - - if (setsockopt(s, SOL_SOCKET, SO_BINDANY, - (const void *) &value, sizeof(int)) == -1) - { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - "setsockopt(SO_BINDANY) failed"); - return NGX_ERROR; - } - -#else - - switch (pc->local->sockaddr->sa_family) { - - case AF_INET: - -#if defined(IP_TRANSPARENT) - - if (setsockopt(s, IPPROTO_IP, IP_TRANSPARENT, - (const void *) &value, sizeof(int)) == -1) - { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - "setsockopt(IP_TRANSPARENT) failed"); - return NGX_ERROR; - } - -#elif defined(IP_BINDANY) - - if (setsockopt(s, IPPROTO_IP, IP_BINDANY, - (const void *) &value, sizeof(int)) == -1) - { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - "setsockopt(IP_BINDANY) failed"); - return NGX_ERROR; - } - -#endif - - break; - -#if (NGX_HAVE_INET6) - - case AF_INET6: - -#if defined(IPV6_TRANSPARENT) - - if (setsockopt(s, IPPROTO_IPV6, IPV6_TRANSPARENT, - (const void *) &value, sizeof(int)) == -1) - { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - "setsockopt(IPV6_TRANSPARENT) failed"); - return NGX_ERROR; - } - -#elif defined(IPV6_BINDANY) - - if (setsockopt(s, IPPROTO_IPV6, IPV6_BINDANY, - (const void *) &value, sizeof(int)) == -1) - { - ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno, - "setsockopt(IPV6_BINDANY) failed"); - return NGX_ERROR; - } - -#endif - break; - -#endif /* NGX_HAVE_INET6 */ - - } - -#endif /* SO_BINDANY */ - - return NGX_OK; -} - -#endif - - -ngx_int_t -ngx_event_get_peer(ngx_peer_connection_t *pc, void *data) -{ - return NGX_OK; -} |