Changeset 6a44ee4 in mainline for uspace/lib/c/generic/net/modules.c

Timestamp:

2011-07-20T15:26:21Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

efcebe1

Parents:

25bef0ff (diff), a701812 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes.

File:

• uspace/lib/c/generic/net/modules.c (modified) (4 diffs)

uspace/lib/c/generic/net/modules.c

@@ -45 +45 @@
 #include <ipc/services.h>
 #include <net/modules.h>
-
-/** The time between connect requests in microseconds. */
-#define MODULE_WAIT_TIME        (10 * 1000)
+#include <ns.h>
 
 /** Answer a call.
@@ -95 +93 @@
 }
 
-/** Create bidirectional connection with the needed module service and registers
+/** Create bidirectional connection with the needed module service and register
  * the message receiver.
  *
- * @param[in] need      The needed module service.
- * @param[in] arg1      The first parameter.
- * @param[in] arg2      The second parameter.
- * @param[in] arg3      The third parameter.
- * @param[in] client_receiver The message receiver.
- *
- * @return              The phone of the needed service.
- * @return              Other error codes as defined for the ipc_connect_to_me()
- *                      function.
- */
-int bind_service(services_t need, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3,
-    async_client_conn_t client_receiver)
-{
-        return bind_service_timeout(need, arg1, arg2, arg3, client_receiver, 0);
-}
-
-/** Create bidirectional connection with the needed module service and registers
- * the message receiver.
- *
- * @param[in] need      The needed module service.
- * @param[in] arg1      The first parameter.
- * @param[in] arg2      The second parameter.
- * @param[in] arg3      The third parameter.
- * @param[in] client_receiver The message receiver.
- * @param[in] timeout   The connection timeout in microseconds. No timeout if
- *                      set to zero (0).
- *
- * @return              The phone of the needed service.
- * @return              ETIMEOUT if the connection timeouted.
- * @return              Other error codes as defined for the ipc_connect_to_me()
- *                      function.
- *
- */
-int bind_service_timeout(services_t need, sysarg_t arg1, sysarg_t arg2,
-    sysarg_t arg3, async_client_conn_t client_receiver, suseconds_t timeout)
+ * @param[in] need            Needed module service.
+ * @param[in] arg1            First parameter.
+ * @param[in] arg2            Second parameter.
+ * @param[in] arg3            Third parameter.
+ * @param[in] client_receiver Message receiver.
+ *
+ * @return Session to the needed service.
+ * @return Other error codes as defined for the async_connect_to_me()
+ *         function.
+ *
+ */
+async_sess_t *bind_service(services_t need, sysarg_t arg1, sysarg_t arg2,
+    sysarg_t arg3, async_client_conn_t client_receiver)
 {
         /* Connect to the needed service */
-        int phone = connect_to_service_timeout(need, timeout);
-        if (phone >= 0) {
+        async_sess_t *sess = connect_to_service(need);
+        if (sess != NULL) {
                 /* Request the bidirectional connection */
-                int rc = async_connect_to_me(phone, arg1, arg2, arg3, client_receiver);
+                async_exch_t *exch = async_exchange_begin(sess);
+                int rc = async_connect_to_me(exch, arg1, arg2, arg3,
+                    client_receiver, NULL);
+                async_exchange_end(exch);
+                
                 if (rc != EOK) {
-                        async_hangup(phone);
-                        return rc;
+                        async_hangup(sess);
+                        errno = rc;
+                        return NULL;
                 }
         }
         
-        return phone;
-}
-
-/** Connects to the needed module.
- *
- * @param[in] need      The needed module service.
- * @return              The phone of the needed service.
- */
-int connect_to_service(services_t need)
-{
-        return connect_to_service_timeout(need, 0);
-}
-
-/** Connects to the needed module.
- *
- *  @param[in] need     The needed module service.
- *  @param[in] timeout  The connection timeout in microseconds. No timeout if
- *                      set to zero (0).
- *  @return             The phone of the needed service.
- *  @return             ETIMEOUT if the connection timeouted.
- */
-int connect_to_service_timeout(services_t need, suseconds_t timeout)
-{
-        int phone;
-
-        /* If no timeout is set */
-        if (timeout <= 0)
-                return async_connect_me_to_blocking(PHONE_NS, need, 0, 0);
-
-        while (true) {
-                phone = async_connect_me_to(PHONE_NS, need, 0, 0);
-                if ((phone >= 0) || (phone != ENOENT))
-                        return phone;
-
-                /* Abort if no time is left */
-                if (timeout <= 0)
-                        return ETIMEOUT;
-
-                /* Wait the minimum of the module wait time and the timeout */
-                usleep((timeout <= MODULE_WAIT_TIME) ?
-                    timeout : MODULE_WAIT_TIME);
-                timeout -= MODULE_WAIT_TIME;
-        }
-}
-
-/** Replies the data to the other party.
- *
- * @param[in] data      The data buffer to be sent.
+        return sess;
+}
+
+/** Connect to the needed module.
+ *
+ * @param[in] need Needed module service.
+ *
+ * @return Session to the needed service.
+ * @return NULL if the connection timeouted.
+ *
+ */
+async_sess_t *connect_to_service(services_t need)
+{
+        return service_connect_blocking(EXCHANGE_SERIALIZE, need, 0, 0);
+}
+
+/** Reply the data to the other party.
+ *
+ * @param[in] data        The data buffer to be sent.
  * @param[in] data_length The buffer length.
- * @return              EOK on success.
- * @return              EINVAL if the client does not expect the data.
- * @return              EOVERFLOW if the client does not expect all the data.
- *                      Only partial data are transfered.
- * @return              Other error codes as defined for the
- *                      async_data_read_finalize() function.
+ *
+ * @return EOK on success.
+ * @return EINVAL if the client does not expect the data.
+ * @return EOVERFLOW if the client does not expect all the data.
+ *         Only partial data are transfered.
+ * @return Other error codes as defined for the
+ *         async_data_read_finalize() function.
+ *
  */
 int data_reply(void *data, size_t data_length)
@@ -205 +159 @@
         size_t length;
         ipc_callid_t callid;
-
+        
         /* Fetch the request */
         if (!async_data_read_receive(&callid, &length))
                 return EINVAL;
-
+        
         /* Check the requested data size */
         if (length < data_length) {
@@ -215 +169 @@
                 return EOVERFLOW;
         }
-
+        
         /* Send the data */
         return async_data_read_finalize(callid, data, data_length);