Changeset 1812a0d in mainline for uspace/srv/net/tl/tcp/header.c

Timestamp:

2011-11-23T19:06:15Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

762b48a

Parents:

6896409c

Message:

Hook TCP into network stack IP layer.

File:

• uspace/srv/net/tl/tcp/header.c (modified) (1 diff)

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

@@ -164 +164 @@
 }
 
+/** Create PDU with the specified header and text data.
+ *
+ * Note that you still need to set addresses in the returned PDU.
+ *
+ * @param hdr           Header data
+ * @param hdr_size      Header size in bytes
+ * @param text          Text data
+ * @param text_size     Text size in bytes
+ * @return              New PDU
+ */
+tcp_pdu_t *tcp_pdu_create(void *hdr, size_t hdr_size, void *text,
+    size_t text_size)
+{
+        tcp_pdu_t *pdu;
+
+        pdu = tcp_pdu_new();
+        if (pdu == NULL)
+                return NULL;
+
+        pdu->header = malloc(hdr_size);
+        pdu->text = malloc(text_size);
+        if (pdu->header == NULL || pdu->text == NULL)
+                goto error;
+
+        memcpy(pdu->header, hdr, hdr_size);
+        memcpy(pdu->text, text, text_size);
+
+        pdu->header_size = hdr_size;
+        pdu->text_size = text_size;
+
+        return pdu;
+
+error:
+        if (pdu->header != NULL)
+                free(pdu->header);
+        if (pdu->text != NULL)
+                free(pdu->text);
+
+        return NULL;
+}
+
 void tcp_pdu_delete(tcp_pdu_t *pdu)
 {
+        free(pdu->header);
         free(pdu->text);
         free(pdu);