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/*
* Copyright (C) 2002-2004 Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
int ngx_win32_version;
int ngx_ncpu;
int ngx_max_sockets;
int ngx_inherited_nonblocking = 1;
ngx_os_io_t ngx_os_io = {
ngx_wsarecv,
ngx_wsarecv_chain,
NULL,
ngx_wsasend_chain,
0
};
typedef struct {
WORD wServicePackMinor;
WORD wSuiteMask;
BYTE wProductType;
} ngx_osviex_stub_t;
/* Should these pointers be per protocol ? */
LPFN_ACCEPTEX acceptex;
LPFN_GETACCEPTEXSOCKADDRS getacceptexsockaddrs;
LPFN_TRANSMITFILE transmitfile;
static GUID ae_guid = WSAID_ACCEPTEX;
static GUID as_guid = WSAID_GETACCEPTEXSOCKADDRS;
static GUID tf_guid = WSAID_TRANSMITFILE;
int ngx_os_init(ngx_log_t *log)
{
u_int osviex;
DWORD bytes;
SOCKET s;
WSADATA wsd;
SYSTEM_INFO si;
OSVERSIONINFOEX osvi;
ngx_osviex_stub_t *osviex_stub;
/* get Windows version */
ngx_memzero(&osvi, sizeof(OSVERSIONINFOEX));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
osviex = GetVersionEx((OSVERSIONINFO *) &osvi);
if (osviex == 0) {
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
if (GetVersionEx((OSVERSIONINFO *) &osvi) == 0) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
"GetVersionEx() failed");
return NGX_ERROR;
}
}
/*
* Windows 3.1 Win32s 0xxxxx
*
* Windows 95 140000
* Windows 98 141000
* Windows ME 149000
* Windows NT 3.51 235100
* Windows NT 4.0 240000
* Windows NT 4.0 SP5 240050
* Windows 2000 250000
* Windows XP 250100
* Windows 2003 250200
*
* Windows CE x.x 3xxxxx
*/
ngx_win32_version = osvi.dwPlatformId * 100000
+ osvi.dwMajorVersion * 10000
+ osvi.dwMinorVersion * 100;
if (osviex) {
ngx_win32_version += osvi.wServicePackMajor * 10
+ osvi.wServicePackMinor;
/*
* the MSVC 6.0 SP2 defines wSuiteMask and wProductType
* as WORD wReserved[2]
*/
osviex_stub = (ngx_osviex_stub_t *) &osvi.wServicePackMinor;
ngx_log_error(NGX_LOG_INFO, log, 0,
"OS: %u build:%u, \"%s\", suite:%x, type:%u",
ngx_win32_version, osvi.dwBuildNumber, osvi.szCSDVersion,
osviex_stub->wSuiteMask, osviex_stub->wProductType);
} else {
if (osvi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) {
/* Win9x build */
ngx_log_error(NGX_LOG_INFO, log, 0, "OS: %u build:%u.%u.%u, \"%s\"",
ngx_win32_version,
osvi.dwBuildNumber >> 24,
(osvi.dwBuildNumber >> 16) & 0xff,
osvi.dwBuildNumber & 0xffff,
osvi.szCSDVersion);
} else {
/*
* VER_PLATFORM_WIN32_NT
*
* we do not currently support VER_PLATFORM_WIN32_CE
* and we do not support VER_PLATFORM_WIN32s at all
*/
ngx_log_error(NGX_LOG_INFO, log, 0, "OS: %u build:%u, \"%s\"",
ngx_win32_version, osvi.dwBuildNumber,
osvi.szCSDVersion);
}
}
GetSystemInfo(&si);
ngx_pagesize = si.dwPageSize;
ngx_ncpu = si.dwNumberOfProcessors;
/* init Winsock */
if (WSAStartup(MAKEWORD(2,2), &wsd) != 0) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
"WSAStartup() failed");
return NGX_ERROR;
}
if (ngx_win32_version < NGX_WIN_NT) {
return NGX_OK;
}
/* get AcceptEx(), GetAcceptExSockAddrs() and TransmitFile() addresses */
s = ngx_socket(AF_INET, SOCK_STREAM, IPPROTO_IP, 0);
if (s == -1) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
ngx_socket_n " %s falied");
return NGX_ERROR;
}
if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &ae_guid, sizeof(GUID),
&acceptex, sizeof(LPFN_ACCEPTEX), &bytes, NULL, NULL) == -1) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
"WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
"WSAID_ACCEPTEX) failed");
return NGX_ERROR;
}
if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &as_guid, sizeof(GUID),
&getacceptexsockaddrs, sizeof(LPFN_GETACCEPTEXSOCKADDRS),
&bytes, NULL, NULL) == -1) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
"WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
"WSAID_ACCEPTEX) failed");
return NGX_ERROR;
}
if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &tf_guid, sizeof(GUID),
&transmitfile, sizeof(LPFN_TRANSMITFILE), &bytes,
NULL, NULL) == -1) {
ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
"WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
"WSAID_TRANSMITFILE) failed");
return NGX_ERROR;
}
if (ngx_close_socket(s) == -1) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
ngx_close_socket_n " failed");
}
return NGX_OK;
}
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