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Fixed a bug when GSocket_SetCallback was used before allocating the internal socket

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3617 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Guillermo Rodriguez Garcia
1999-09-12 11:17:00 +00:00
parent 83802b0bd9
commit 2f7c2af547
2 changed files with 87 additions and 61 deletions
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139
src/unix/gsocket.c
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@@ -262,13 +262,13 @@ GAddress *GSocket_GetPeer(GSocket *socket)
/* Server specific parts */
/*
GSocket_SetServer() setup the socket as a server. It uses the "Local" field
of GSocket. "Local" must be set by GSocket_SetLocal() before
GSocket_SetServer() is called. GSOCK_INVSOCK if socket has been initialized.
In case, you haven't yet defined the local address, it returns GSOCK_INVADDR.
In the other cases it returns GSOCK_IOERR.
*/
/* GSocket_SetServer:
* Sets up the socket as a server. It uses the "Local" field of GSocket.
* "Local" must be set by GSocket_SetLocal() before GSocket_SetServer()
* is called. Possible error codes are: GSOCK_INVSOCK if socket has not
* been initialized, GSOCK_INVADDR if the local address has not been
* defined and GSOCK_IOERR for other internal errors.
*/
GSocketError GSocket_SetServer(GSocket *sck)
{
int type;
@@ -313,15 +313,16 @@ GSocketError GSocket_SetServer(GSocket *sck)
return GSOCK_IOERR;
}
_GSocket_Configure_Callbacks(sck);
GSocket_SetNonBlocking(sck, sck->m_non_blocking);
GSocket_SetTimeout(sck, sck->m_timeout);
return GSOCK_NOERROR;
}
/*
GSocket_WaitConnection() waits for an incoming client connection.
*/
/* GSocket_WaitConnection:
* Waits for an incoming client connection.
*/
GSocket *GSocket_WaitConnection(GSocket *socket)
{
GSocket *connection;
@@ -370,6 +371,10 @@ GSocket *GSocket_WaitConnection(GSocket *socket)
connection->m_server = FALSE;
connection->m_oriented = TRUE;
_GSocket_Configure_Callbacks(connection);
GSocket_SetNonBlocking(connection, connection->m_non_blocking);
GSocket_SetTimeout(connection, connection->m_timeout);
return connection;
}
@@ -409,6 +414,7 @@ GSocketError GSocket_SetNonOriented(GSocket *sck)
return GSOCK_IOERR;
}
_GSocket_Configure_Callbacks(sck);
GSocket_SetNonBlocking(sck, sck->m_non_blocking);
GSocket_SetTimeout(sck, sck->m_timeout);
@@ -417,11 +423,15 @@ GSocketError GSocket_SetNonOriented(GSocket *sck)
/* Client specific parts */
/*
GSocket_Connect() establishes a client connection to a server using the "Peer"
field of GSocket. "Peer" must be set by GSocket_SetPeer() before
GSocket_Connect() is called. In the other case, it returns GSOCK_INVADDR.
*/
/* GSocket_Connect:
* Establishes a client connection to a server using the "Peer"
* field of GSocket. "Peer" must be set by GSocket_SetPeer() before
* GSocket_Connect() is called. Possible error codes are GSOCK_INVSOCK,
* GSOCK_INVADDR, GSOCK_TIMEDOUT, GSOCK_WOULDBLOCK and GSOCK_IOERR.
* If a socket is nonblocking and Connect() returns GSOCK_WOULDBLOCK,
* the connection request can be completed later. Use GSocket_Select()
* to check or wait for a GSOCK_CONNECTION event.
*/
GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
{
int type, err;
@@ -455,6 +465,7 @@ GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
return GSOCK_IOERR;
}
_GSocket_Configure_Callbacks(sck);
GSocket_SetNonBlocking(sck, sck->m_non_blocking);
GSocket_SetTimeout(sck, sck->m_timeout);
@@ -593,10 +604,10 @@ GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
/* Flags */
/*
GSocket_SetNonBlocking() puts the socket in non-blocking mode. This is useful
if we don't want to wait.
*/
/* GSocket_SetNonBlocking:
* Sets the socket to non-blocking mode. This is useful if
* we don't want to wait.
*/
void GSocket_SetNonBlocking(GSocket *socket, bool non_block)
{
assert(socket != NULL);
@@ -607,10 +618,10 @@ void GSocket_SetNonBlocking(GSocket *socket, bool non_block)
ioctl(socket->m_fd, FIONBIO, &non_block);
}
/*
* GSocket_SetTimeout()
/* GSocket_SetTimeout:
* Sets the timeout for blocking calls. Time is
* expressed in milliseconds.
*/
void GSocket_SetTimeout(GSocket *socket, unsigned long millisec)
{
assert(socket != NULL);
@@ -618,10 +629,9 @@ void GSocket_SetTimeout(GSocket *socket, unsigned long millisec)
socket->m_timeout = millisec;
}
/*
GSocket_GetError() returns the last error occured on the socket stream.
*/
/* GSocket_GetError:
* Returns the last error occured for this socket.
*/
GSocketError GSocket_GetError(GSocket *socket)
{
assert(socket != NULL);
@@ -631,25 +641,30 @@ GSocketError GSocket_GetError(GSocket *socket)
/* Callbacks */
/*
Only one callback is possible for each event (INPUT, OUTPUT, CONNECTION)
INPUT: The function is called when there is at least a byte in the
input buffer
OUTPUT: The function is called when the system is sure the next write call
will not block
CONNECTION: Two cases is possible:
Client socket -> the connection is established
Server socket -> a client request a connection
LOST: the connection is lost
/* Only one callback is possible for each event (INPUT, OUTPUT, CONNECTION
* and LOST). The callbacks are called in the following situations:
*
* INPUT: There is at least one byte in the input buffer
* OUTPUT: The system is sure that the next write call will not block
* CONNECTION: Two cases are possible:
* Client socket -> the connection is established
* Server socket -> a client requests a connection
* LOST: The connection is lost
*
* An event is generated only once and its state is reseted when the
* relative IO call is requested.
* For example: INPUT -> GSocket_Read()
* CONNECTION -> GSocket_Accept()
*/
SetCallback accepts a combination of these flags so a same callback can
receive different events.
An event is generated only once and its state is reseted when the relative
IO call is requested.
For example: INPUT -> GSocket_Read()
CONNECTION -> GSocket_Accept()
*/
/* GSocket_SetCallback:
* Enables the callbacks specified by 'flags'. Note that 'flags'
* may be a combination of flags OR'ed toghether, so the same
* callback function can be made to accept different events.
* The callback function must have the following prototype:
*
* void function(GSocket *socket, GSocketEvent event, char *cdata)
*/
void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
GSocketCallback callback, char *cdata)
{
@@ -663,35 +678,33 @@ void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
if ((flags & (1 << count)) != 0) {
socket->m_cbacks[count] = callback;
socket->m_data[count] = cdata;
_GSocket_Enable(socket, count);
}
}
_GSocket_Configure_Callbacks(socket);
}
/*
UnsetCallback will disables all callbacks specified by "flags".
NOTE: "flags" may be a combination of flags
*/
/* GSocket_UnsetCallback:
* Disables all callbacks specified by 'flags', which may be a
* combination of flags OR'ed toghether.
*/
void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags)
{
int count = 0;
int count;
assert(socket != NULL);
for (count=0;count<GSOCK_MAX_EVENT;count++) {
if ((flags & (1 << count)) != 0) {
_GSocket_Disable(socket, count);
socket->m_cbacks[count] = NULL;
}
}
_GSocket_Configure_Callbacks(socket);
}
#define CALL_CALLBACK(socket, event) \
if (socket->m_iocalls[event] && \
socket->m_cbacks[event]) {\
_GSocket_Disable(socket, event); \
socket->m_cbacks[event](socket, event, \
socket->m_data[event]); \
#define CALL_CALLBACK(socket, event) \
if (socket->m_iocalls[event] && socket->m_cbacks[event]) { \
_GSocket_Disable(socket, event); \
socket->m_cbacks[event](socket, event, socket->m_data[event]); \
}
void _GSocket_Enable(GSocket *socket, GSocketEvent event)
@@ -708,6 +721,18 @@ void _GSocket_Disable(GSocket *socket, GSocketEvent event)
_GSocket_Uninstall_Callback(socket, event);
}
void _GSocket_Configure_Callbacks(GSocket *socket)
{
int count;
for (count=0;count<GSOCK_MAX_EVENT;count++) {
if ((socket->m_cbacks[count]) != NULL) {
GSocket_Enable(socket, count);
} else {
GSocket_Disable(socket, count);
}
}
}
int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size)
{
int ret;