X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/70988afbb1280a637b78a63b6a8697da3565b4ba..a959b08869abdec7449d49e18cb069e81a3f83e6:/src/msw/gsocket.c diff --git a/src/msw/gsocket.c b/src/msw/gsocket.c index 00e5d32ace..60d2c3f417 100644 --- a/src/msw/gsocket.c +++ b/src/msw/gsocket.c @@ -11,23 +11,44 @@ * PLEASE don't put C++ comments here - this is a C source file. */ +#ifdef _MSC_VER + /* RPCNOTIFICATION_ROUTINE in rasasync.h (included from winsock.h), + * warning: conditional expression is constant. + */ +# pragma warning(disable:4115) + /* FD_SET, + * warning: named type definition in parentheses. + */ +# pragma warning(disable:4127) + /* GAddress_UNIX_GetPath, + * warning: unreferenced formal parameter. + */ +# pragma warning(disable:4100) +#endif /* _MSC_VER */ + + #ifndef __GSOCKET_STANDALONE__ -#include "wx/setup.h" +# include "wx/setup.h" #endif #if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) #ifndef __GSOCKET_STANDALONE__ - -#include "wx/msw/gsockmsw.h" -#include "wx/gsocket.h" - +# include "wx/msw/gsockmsw.h" +# include "wx/gsocket.h" #else +# include "gsockmsw.h" +# include "gsocket.h" +#endif /* __GSOCKET_STANDALONE__ */ -#include "gsockmsw.h" -#include "gsocket.h" +/* Redefine some GUI-only functions to do nothing in console mode */ +#if defined(wxUSE_GUI) && !wxUSE_GUI +# define _GSocket_GUI_Init(socket) (1) +# define _GSocket_GUI_Destroy(socket) +# define _GSocket_Enable_Events(socket) +# define _GSocket_Disable_Events(socket) +#endif /* wxUSE_GUI */ -#endif /* __GSOCKET_STANDALONE__ */ #include #include @@ -35,24 +56,21 @@ #include #include #include + #include + /* if we use configure for MSW SOCKLEN_T will be already defined */ #ifndef SOCKLEN_T -#define SOCKLEN_T int +# define SOCKLEN_T int #endif -#ifdef _MSC_VER - /* using FD_SET results in this warning */ - #pragma warning(disable:4127) /* conditional expression is constant */ -#endif /* Visual C++ */ - /* Constructors / Destructors for GSocket */ -GSocket *GSocket_new() +GSocket *GSocket_new(void) { - int i; + int i, success; GSocket *socket; if ((socket = (GSocket *) malloc(sizeof(GSocket))) == NULL) @@ -63,6 +81,7 @@ GSocket *GSocket_new() { socket->m_cbacks[i] = NULL; } + socket->m_detected = 0; socket->m_local = NULL; socket->m_peer = NULL; socket->m_error = GSOCK_NOERROR; @@ -71,13 +90,14 @@ GSocket *GSocket_new() socket->m_non_blocking = FALSE; socket->m_timeout.tv_sec = 10 * 60; /* 10 minutes */ socket->m_timeout.tv_usec = 0; - socket->m_detected = 0; + socket->m_establishing = FALSE; /* Per-socket GUI-specific initialization */ - if (!_GSocket_GUI_Init(socket)) + success = _GSocket_GUI_Init(socket); + if (!success) { free(socket); - return NULL; + socket = NULL; } return socket; @@ -455,6 +475,7 @@ GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream) sck->m_stream = (stream == GSOCK_STREAMED); sck->m_oriented = TRUE; sck->m_server = FALSE; + sck->m_establishing = FALSE; /* Create the socket */ sck->m_fd = socket(sck->m_peer->m_realfamily, @@ -503,6 +524,7 @@ GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream) */ if ((err == WSAEWOULDBLOCK) && (sck->m_non_blocking)) { + sck->m_establishing = TRUE; sck->m_error = GSOCK_WOULDBLOCK; return GSOCK_WOULDBLOCK; } @@ -674,9 +696,70 @@ int GSocket_Write(GSocket *socket, const char *buffer, int size) */ GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags) { +#if defined(wxUSE_GUI) && !wxUSE_GUI + + GSocketEventFlags result = 0; + fd_set readfds; + fd_set writefds; + fd_set exceptfds; + static const struct timeval tv = { 0, 0 }; + assert(socket != NULL); + FD_ZERO(&readfds); + FD_ZERO(&writefds); + FD_ZERO(&exceptfds); + FD_SET(socket->m_fd, &readfds); + FD_SET(socket->m_fd, &writefds); + FD_SET(socket->m_fd, &exceptfds); + + /* Check known state first */ + result |= (GSOCK_CONNECTION_FLAG & socket->m_detected & flags); + result |= (GSOCK_LOST_FLAG & socket->m_detected & flags); + + /* Try select now */ + if (select(socket->m_fd + 1, &readfds, &writefds, &exceptfds, &tv) <= 0) + return result; + + /* Check for readability */ + if (FD_ISSET(socket->m_fd, &readfds)) + { + /* Assume that closure of the socket is always reported via exceptfds */ + if (socket->m_server && socket->m_stream) + result |= (GSOCK_CONNECTION_FLAG & flags); + else + result |= (GSOCK_INPUT_FLAG & flags); + } + + /* Check for writability */ + if (FD_ISSET(socket->m_fd, &writefds)) + { + if (socket->m_establishing && !socket->m_server) + { + result |= (GSOCK_CONNECTION_FLAG & flags); + socket->m_establishing = FALSE; + socket->m_detected |= GSOCK_CONNECTION_FLAG; + } + else + result |= (GSOCK_OUTPUT_FLAG & flags); + } + + /* Check for exceptions and errors */ + if (FD_ISSET(socket->m_fd, &exceptfds)) + { + result |= (GSOCK_LOST_FLAG & flags); + socket->m_establishing = FALSE; + socket->m_detected = GSOCK_LOST_FLAG; + } + + return result; + +#else + + assert(socket != NULL); return flags & socket->m_detected; + +#endif /* !wxUSE_GUI */ } /* Attributes */ @@ -685,7 +768,7 @@ GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags) * Sets the socket to non-blocking mode. All IO calls will return * immediately. */ -void GSocket_SetNonBlocking(GSocket *socket, bool non_block) +void GSocket_SetNonBlocking(GSocket *socket, int non_block) { assert(socket != NULL); @@ -932,23 +1015,39 @@ int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size) * ------------------------------------------------------------------------- */ -/* CHECK_ADDRESS verifies that the current family is either GSOCK_NOFAMILY - * or GSOCK_*family*, and if it is GSOCK_NOFAMILY, it initalizes address - * to be a GSOCK_*family*. In other cases, it returns GSOCK_INVADDR. +/* CHECK_ADDRESS verifies that the current address family is either + * GSOCK_NOFAMILY or GSOCK_*family*, and if it is GSOCK_NOFAMILY, it + * initalizes it to be a GSOCK_*family*. In other cases, it returns + * an appropiate error code. + * + * CHECK_ADDRESS_RETVAL does the same but returning 'retval' on error. */ -#define CHECK_ADDRESS(address, family, retval) \ +#define CHECK_ADDRESS(address, family) \ { \ if (address->m_family == GSOCK_NOFAMILY) \ if (_GAddress_Init_##family(address) != GSOCK_NOERROR) \ return address->m_error; \ if (address->m_family != GSOCK_##family) \ + { \ + address->m_error = GSOCK_INVADDR; \ + return GSOCK_INVADDR; \ + } \ +} + +#define CHECK_ADDRESS_RETVAL(address, family, retval) \ +{ \ + if (address->m_family == GSOCK_NOFAMILY) \ + if (_GAddress_Init_##family(address) != GSOCK_NOERROR) \ + return retval; \ + if (address->m_family != GSOCK_##family) \ { \ address->m_error = GSOCK_INVADDR; \ return retval; \ } \ } -GAddress *GAddress_new() + +GAddress *GAddress_new(void) { GAddress *address; @@ -991,6 +1090,9 @@ void GAddress_destroy(GAddress *address) { assert(address != NULL); + if (address->m_addr) + free(address->m_addr); + free(address); } @@ -1100,7 +1202,7 @@ GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname) assert(address != NULL); - CHECK_ADDRESS(address, INET, GSOCK_INVADDR); + CHECK_ADDRESS(address, INET); addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr); @@ -1136,7 +1238,7 @@ GSocketError GAddress_INET_SetHostAddress(GAddress *address, assert(address != NULL); - CHECK_ADDRESS(address, INET, GSOCK_INVADDR); + CHECK_ADDRESS(address, INET); addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr); addr->s_addr = hostaddr; @@ -1151,7 +1253,7 @@ GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port, struct sockaddr_in *addr; assert(address != NULL); - CHECK_ADDRESS(address, INET, GSOCK_INVADDR); + CHECK_ADDRESS(address, INET); if (!port) { @@ -1187,7 +1289,7 @@ GSocketError GAddress_INET_SetPort(GAddress *address, unsigned short port) struct sockaddr_in *addr; assert(address != NULL); - CHECK_ADDRESS(address, INET, GSOCK_INVADDR); + CHECK_ADDRESS(address, INET); addr = (struct sockaddr_in *)address->m_addr; addr->sin_port = htons(port); @@ -1202,7 +1304,7 @@ GSocketError GAddress_INET_GetHostName(GAddress *address, char *hostname, size_t struct sockaddr_in *addr; assert(address != NULL); - CHECK_ADDRESS(address, INET, GSOCK_INVADDR); + CHECK_ADDRESS(address, INET); addr = (struct sockaddr_in *)address->m_addr; addr_buf = (char *)&(addr->sin_addr); @@ -1224,7 +1326,7 @@ unsigned long GAddress_INET_GetHostAddress(GAddress *address) struct sockaddr_in *addr; assert(address != NULL); - CHECK_ADDRESS(address, INET, 0); + CHECK_ADDRESS_RETVAL(address, INET, 0); addr = (struct sockaddr_in *)address->m_addr; @@ -1236,7 +1338,7 @@ unsigned short GAddress_INET_GetPort(GAddress *address) struct sockaddr_in *addr; assert(address != NULL); - CHECK_ADDRESS(address, INET, 0); + CHECK_ADDRESS_RETVAL(address, INET, 0); addr = (struct sockaddr_in *)address->m_addr; return ntohs(addr->sin_port); @@ -1248,10 +1350,6 @@ unsigned short GAddress_INET_GetPort(GAddress *address) * ------------------------------------------------------------------------- */ -#ifdef _MSC_VER - #pragma warning(disable:4100) /* unreferenced formal parameter */ -#endif /* Visual C++ */ - GSocketError _GAddress_Init_UNIX(GAddress *address) { assert (address != NULL);