Changeset 32105348 in mainline for uspace/srv/net/tl/tcp/state.c

Timestamp:

2011-10-04T18:12:41Z (14 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d9ce049

Parents:

032bbe7

Message:

Send buffer, sketch data transmission.

File:

• uspace/srv/net/tl/tcp/state.c (modified) (2 diffs)

uspace/srv/net/tl/tcp/state.c

@@ -36 +36 @@
 
 #include <io/log.h>
+#include <macros.h>
+#include <mem.h>
 #include "conn.h"
 #include "state.h"
 #include "tcp_type.h"
+#include "tqueue.h"
 
 /*
@@ -78 +81 @@
 void tcp_uc_send(tcp_conn_t *conn, void *data, size_t size, xflags_t flags)
 {
+        size_t buf_free;
+        size_t xfer_size;
+
         log_msg(LVL_DEBUG, "tcp_uc_send()");
+
+        while (size > 0) {
+                buf_free = conn->snd_buf_size - conn->snd_buf_used;
+                while (buf_free == 0)
+                        tcp_tqueue_new_data(conn);
+
+                xfer_size = min(size, buf_free);
+
+                /* Copy data to buffer */
+                memcpy(conn->snd_buf + conn->snd_buf_used, data, xfer_size);
+                data += xfer_size;
+                conn->snd_buf_used += xfer_size;
+                size -= xfer_size;
+        }
+
+        tcp_tqueue_new_data(conn);
 }