Changes in dcc.h [dce3903:2c2df7d]

File:

• dcc.h (modified) (3 diffs)

dcc.h

@@ -44 +44 @@
 #define _DCC_H
 
-/* Send an ACK after receiving this amount of data */
+/* don't wait for acknowledgments */
+#define DCC_SEND_AHEAD
+
+/* This multiplier specifies how many bytes we
+ * can go ahead within one event loop cycle. Notice that all in all,
+ * we can easily be more ahead if the event loop shoots often enough.
+ * (or the receiver processes slow enough)
+ *
+ * Setting this value too high will cause send buffer overflows.
+ */
+#define DCC_SEND_AHEAD_MUL 10
+
+/*
+ * queue thresholds for the out of data and overflow conditions
+ */
+#define DCC_QUEUE_THRESHOLD_LOW 2048
+#define DCC_QUEUE_THRESHOLD_HIGH 65536
+
+/* only used in non-ahead mode */
 #define DCC_PACKET_SIZE 1024
+
+/* stores buffers handed over by IM protocols */
+struct dcc_buffer {
+        char *b;
+        int len;
+};
 
 typedef struct dcc_file_transfer {
@@ -65 +89 @@
         
         /*
+         * The total number of queued bytes. The following equality should always hold:
+         *
+         *      queued_bytes = sum(queued_buffers.len) - buffer_pos
+         */
+        unsigned int queued_bytes;
+
+        /* 
+         * A list of dcc_buffer structures.
+         * These are provided by the protocols directly so that no copying is neccessary.
+         */
+        GSList *queued_buffers;
+        
+        /* 
+         * current position within the first buffer.
+         * Is non-null if the whole buffer couldn't be sent at once.
+         */
+        int buffer_pos;
+
+        /*
          * The total amount of bytes that have been sent to the irc client.
          */
         size_t bytes_sent;
         
-        /* imc's handle */
+        /* imcb's handle */
         file_transfer_t *ft;
-
-        /* if we're receiving, this is the sender's socket address */
-        struct sockaddr_storage saddr;
 
 } dcc_file_transfer_t;
@@ -81 +121 @@
 void dcc_canceled( file_transfer_t *file, char *reason );
 
-gboolean dccs_send_write( file_transfer_t *file, char *data, unsigned int data_size );
+gboolean dccs_send_write( file_transfer_t *file, gpointer data, unsigned int data_size );
 
-file_transfer_t *dcc_request( struct im_connection *ic, char *line );
 #endif