[IOMultiplexerV2] tidied up _IOSocket socket_flag definitions and added possibility...

[NextIRCd.git] / src / IOHandler / IOSockets.h

diff --git a/src/IOHandler/IOSockets.h b/src/IOHandler/IOSockets.h
index ab36225da3eb312b3f89f72db8f999df6050d47d..f2d01e2afbe7f338f1dc74e9af7f3eeb5b6da04f 100644 (file)
--- a/src/IOHandler/IOSockets.h
+++ b/src/IOHandler/IOSockets.h
@@ -58,23 +58,39 @@ extern struct _IOSocket *iosocket_first;
 extern struct _IOSocket *iosocket_last;
 
 /* _IOSocket socket_flags */
-#define IOSOCKETFLAG_ACTIVE           0x0001
-#define IOSOCKETFLAG_LISTENING        0x0002
-#define IOSOCKETFLAG_PENDING_BINDDNS  0x0004
-#define IOSOCKETFLAG_PENDING_DESTDNS  0x0008
-#define IOSOCKETFLAG_DNSDONE_BINDDNS  0x0010
-#define IOSOCKETFLAG_DNSDONE_DESTDNS  0x0020
-#define IOSOCKETFLAG_DNSERROR         0x0040
-#define IOSOCKETFLAG_IPV6SOCKET       0x0080
-#define IOSOCKETFLAG_PARENT_PUBLIC    0x0100
-#define IOSOCKETFLAG_PARENT_DNSENGINE 0x0200
-#define IOSOCKETFLAG_SSLSOCKET        0x0400 /* use ssl after connecting */
-#define IOSOCKETFLAG_SSL_HANDSHAKE    0x0800 /* SSL Handshake in progress */
-#define IOSOCKETFLAG_SSL_WANTWRITE    0x1000
-#define IOSOCKETFLAG_SHUTDOWN         0x2000 /* disconnect pending */
-#define IOSOCKETFLAG_CONNECTING       0x4000
-#define IOSOCKETFLAG_INCOMING         0x8000 /* incoming (accepted) connection */
-#define IOSOCKETFLAG_DEAD            0x10000
+#define IOSOCKETFLAG_ACTIVE           0x00000001
+#define IOSOCKETFLAG_LISTENING        0x00000002
+#define IOSOCKETFLAG_IPV6SOCKET       0x00000004
+#define IOSOCKETFLAG_INCOMING         0x00000008 /* incoming (accepted) connection */
+#define IOSOCKETFLAG_CONNECTING       0x00000010
+#define IOSOCKETFLAG_SHUTDOWN         0x00000020 /* disconnect pending */
+#define IOSOCKETFLAG_DEAD             0x00000040 /* socket dead (disconnected) */
+#define IOSOCKETFLAG_RECONNECT_IPV4   0x00000080 /* possible fallback to ipv4 connect if ipv6 fails */
+
+/* DNS Flags */
+#define IOSOCKETFLAG_PENDING_BINDDNS  0x00000100
+#define IOSOCKETFLAG_PENDING_DESTDNS  0x00000200
+#define IOSOCKETFLAG_DNSDONE_BINDDNS  0x00000400
+#define IOSOCKETFLAG_DNSDONE_DESTDNS  0x00000800
+#define IOSOCKETFLAG_DNSERROR         0x00001000
+
+/* SSL Flags */
+#define IOSOCKETFLAG_SSLSOCKET        0x00002000 /* use ssl after connecting */
+#define IOSOCKETFLAG_SSL_HANDSHAKE    0x00004000 /* SSL Handshake in progress */
+#define IOSOCKETFLAG_SSL_WANTWRITE    0x00008000 /* ssl module wants write access */
+#define IOSOCKETFLAG_SSL_READHS       0x00010000 /* ssl read rehandshake */
+#define IOSOCKETFLAG_SSL_WRITEHS      0x00020000 /* ssl write rehandshake */
+#define IOSOCKETFLAG_SSL_ESTABLISHED  0x00040000 /* ssl connection established */
+
+/* WANT_READ / WANT_WRITE override */
+#define IOSOCKETFLAG_OVERRIDE_WANT_RW 0x00080000
+#define IOSOCKETFLAG_OVERRIDE_WANT_R  0x00100000
+#define IOSOCKETFLAG_OVERRIDE_WANT_W  0x00200000
+
+/* Parent descriptors */
+#define IOSOCKETFLAG_PARENT_PUBLIC    0x10000000
+#define IOSOCKETFLAG_PARENT_DNSENGINE 0x20000000
+/* reserved flags for additional descriptor types? */
 
 struct IOSocketDNSLookup {
        unsigned int bindlookup : 1;
@@ -87,13 +103,13 @@ struct IOSocketDNSLookup {
 struct _IOSocket {
     int fd;
        
-       unsigned int socket_flags : 24;
+       unsigned int socket_flags : 32;
        
-       union {
+       struct {
                struct IODNSAddress addr;
                struct IOSocketDNSLookup *addrlookup;
        } bind;
-       union {
+       struct {
                struct IODNSAddress addr;
                struct IOSocketDNSLookup *addrlookup;
        } dest;
@@ -115,7 +131,18 @@ void iosocket_loop(int usec);
 void iosocket_lookup_callback(struct IOSocketDNSLookup *lookup, struct IODNSEvent *event);
 void iosocket_events_callback(struct _IOSocket *iosock, int readable, int writeable);
 
-#define iosocket_wants_writes(IOSOCK) (IOSOCK->writebuf.bufpos || (IOSOCK->socket_flags & (IOSOCKETFLAG_CONNECTING | IOSOCKETFLAG_SSL_WANTWRITE)))
+#define iosocket_wants_reads(IOSOCK) \
+(\
+       ((IOSOCK->socket_flags & (IOSOCKETFLAG_SSL_READHS | IOSOCKETFLAG_SSL_WRITEHS)) && !(IOSOCK->socket_flags & IOSOCKETFLAG_SSL_WANTWRITE)) || \
+       (!(IOSOCK->socket_flags & IOSOCKETFLAG_OVERRIDE_WANT_RW) || \
+       (IOSOCK->socket_flags & (IOSOCKETFLAG_OVERRIDE_WANT_RW | IOSOCKETFLAG_OVERRIDE_WANT_R) == (IOSOCKETFLAG_OVERRIDE_WANT_RW | IOSOCKETFLAG_OVERRIDE_WANT_R)) \
+)\r
+#define iosocket_wants_writes(IOSOCK) \
+(\
+       (IOSOCK->socket_flags & (IOSOCKETFLAG_SSL_READHS | IOSOCKETFLAG_SSL_WRITEHS | IOSOCKETFLAG_SSL_WANTWRITE) > IOSOCKETFLAG_SSL_WANTWRITE) || \
+       (!(IOSOCK->socket_flags & IOSOCKETFLAG_OVERRIDE_WANT_RW) && (IOSOCK->writebuf.bufpos || (IOSOCK->socket_flags & IOSOCKETFLAG_CONNECTING))) || \
+       (IOSOCK->socket_flags & (IOSOCKETFLAG_OVERRIDE_WANT_RW | IOSOCKETFLAG_OVERRIDE_WANT_W) == (IOSOCKETFLAG_OVERRIDE_WANT_RW | IOSOCKETFLAG_OVERRIDE_WANT_W)) \
+)
 
 #endif
 
@@ -128,7 +155,8 @@ enum IOSocketStatus {
     IOSOCKET_CLOSED, /* descriptor is dead (socket waiting for removal or timer) */
     IOSOCKET_LISTENING, /* descriptor is waiting for connections (server socket) */
     IOSOCKET_CONNECTING, /* descriptor is waiting for connection approval (connecting client socket) */
-    IOSOCKET_CONNECTED /* descriptor is connected (connected client socket) */
+    IOSOCKET_CONNECTED, /* descriptor is connected (connected client socket) */
+       IOSOCKET_SSLHANDSHAKE /* descriptor is waiting for ssl (handshake) */
 };
 
 enum IOSocketEventType {
@@ -138,8 +166,7 @@ enum IOSocketEventType {
     IOSOCKETEVENT_NOTCONNECTED, /* client socket could not connect (errid valid) */
     IOSOCKETEVENT_CLOSED, /* client socket lost connection (errid valid) */
     IOSOCKETEVENT_ACCEPT, /* server socket accepted new connection (accept_socket valid) */
-    IOSOCKETEVENT_SSLFAILED, /* failed to initialize SSL session */
-       IOSOCKETEVENT_DNSFAILED /* failed to lookup DNS information */
+       IOSOCKETEVENT_DNSFAILED /* failed to lookup DNS information (recv_str contains error message) */
 };
 
 struct IOSocket {
@@ -181,6 +208,6 @@ struct IOSocket *iosocket_listen_ssl_flags(const char *hostname, unsigned int po
 void iosocket_write(struct IOSocket *iosocket, const char *line);
 void iosocket_send(struct IOSocket *iosocket, const char *data, size_t datalen);
 void iosocket_printf(struct IOSocket *iosocket, const char *text, ...);
-void iohandler_close(struct IOSocket *iosocket);
+void iosocket_close(struct IOSocket *iosocket);
 
 #endif