Changes in uspace/srv/net/nil/nildummy/nildummy.c [797b704:774e6d1a] in mainline

File:

• uspace/srv/net/nil/nildummy/nildummy.c (modified) (18 diffs)

uspace/srv/net/nil/nildummy/nildummy.c

@@ -42 +42 @@
 #include <str.h>
 #include <ipc/ipc.h>
-#include <ipc/nil.h>
 #include <ipc/net.h>
 #include <ipc/services.h>
@@ -48 +47 @@
 #include <net/modules.h>
 #include <net/device.h>
-#include <il_remote.h>
+#include <nil_interface.h>
+#include <il_interface.h>
 #include <adt/measured_strings.h>
 #include <net/packet.h>
 #include <packet_remote.h>
 #include <netif_remote.h>
-#include <nil_skel.h>
+#include <nil_local.h>
 
 #include "nildummy.h"
@@ -81 +81 @@
 int nil_initialize(int net_phone)
 {
+        int rc;
+        
         fibril_rwlock_initialize(&nildummy_globals.devices_lock);
         fibril_rwlock_initialize(&nildummy_globals.protos_lock);
@@ -88 +90 @@
         nildummy_globals.net_phone = net_phone;
         nildummy_globals.proto.phone = 0;
-        int rc = nildummy_devices_initialize(&nildummy_globals.devices);
+        rc = nildummy_devices_initialize(&nildummy_globals.devices);
         
         fibril_rwlock_write_unlock(&nildummy_globals.protos_lock);
@@ -96 +98 @@
 }
 
-/** Process IPC messages from the registered device driver modules
- *
- * @param[in]     iid   Message identifier.
- * @param[in,out] icall Message parameters.
- *
+/** Process IPC messages from the registered device driver modules in an
+ * infinite loop.
+ *
+ * @param[in] iid       The message identifier.
+ * @param[in,out]       icall The message parameters.
  */
 static void nildummy_receiver(ipc_callid_t iid, ipc_call_t *icall)
@@ -106 +108 @@
         packet_t *packet;
         int rc;
-        
+
         while (true) {
                 switch (IPC_GET_IMETHOD(*icall)) {
@@ -118 +120 @@
                         rc = packet_translate_remote(nildummy_globals.net_phone,
                             &packet, IPC_GET_PACKET(*icall));
-                        if (rc == EOK)
+                        if (rc == EOK) {
                                 rc = nil_received_msg_local(0,
                                     IPC_GET_DEVICE(*icall), packet, 0);
-                        
+                        }
                         ipc_answer_0(iid, (sysarg_t) rc);
                         break;
@@ -137 +139 @@
  * Determine the device local hardware address.
  *
- * @param[in] device_id New device identifier.
- * @param[in] service   Device driver service.
- * @param[in] mtu       Device maximum transmission unit.
- *
- * @return EOK on success.
- * @return EEXIST if the device with the different service exists.
- * @return ENOMEM if there is not enough memory left.
- * @return Other error codes as defined for the
- *         netif_bind_service() function.
- * @return Other error codes as defined for the
- *         netif_get_addr_req() function.
- *
+ * @param[in] device_id The new device identifier.
+ * @param[in] service   The device driver service.
+ * @param[in] mtu       The device maximum transmission unit.
+ * @return              EOK on success.
+ * @return              EEXIST if the device with the different service exists.
+ * @return              ENOMEM if there is not enough memory left.
+ * @return              Other error codes as defined for the
+ *                      netif_bind_service() function.
+ * @return              Other error codes as defined for the
+ *                      netif_get_addr_req() function.
  */
 static int nildummy_device_message(device_id_t device_id, services_t service,
     size_t mtu)
 {
+        nildummy_device_t *device;
+        int index;
+        int rc;
+
         fibril_rwlock_write_lock(&nildummy_globals.devices_lock);
-        
+
         /* An existing device? */
-        nildummy_device_t *device =
-            nildummy_devices_find(&nildummy_globals.devices, device_id);
+        device = nildummy_devices_find(&nildummy_globals.devices, device_id);
         if (device) {
                 if (device->service != service) {
@@ -210 +213 @@
         
         /* Get hardware address */
-        int rc = netif_get_addr_req(device->phone, device->device_id,
-            &device->addr, &device->addr_data);
+        rc = netif_get_addr_req(device->phone, device->device_id, &device->addr,
+            &device->addr_data);
         if (rc != EOK) {
                 fibril_rwlock_write_unlock(&nildummy_globals.devices_lock);
@@ -219 +222 @@
         
         /* Add to the cache */
-        int index = nildummy_devices_add(&nildummy_globals.devices,
+        index = nildummy_devices_add(&nildummy_globals.devices,
             device->device_id, device);
         if (index < 0) {
@@ -237 +240 @@
 /** Return the device hardware address.
  *
- * @param[in]  device_id Device identifier.
- * @param[out] address   Device hardware address.
- *
- * @return EOK on success.
- * @return EBADMEM if the address parameter is NULL.
- * @return ENOENT if there no such device.
+ * @param[in] device_id The device identifier.
+ * @param[out] address  The device hardware address.
+ * @return               EOK on success.
+ * @return              EBADMEM if the address parameter is NULL.
+ * @return              ENOENT if there no such device.
  *
  */
@@ -248 +250 @@
     measured_string_t **address)
 {
+        nildummy_device_t *device;
+
         if (!address)
                 return EBADMEM;
         
         fibril_rwlock_read_lock(&nildummy_globals.devices_lock);
-        
-        nildummy_device_t *device =
-            nildummy_devices_find(&nildummy_globals.devices, device_id);
+        device = nildummy_devices_find(&nildummy_globals.devices, device_id);
         if (!device) {
                 fibril_rwlock_read_unlock(&nildummy_globals.devices_lock);
                 return ENOENT;
         }
-        
         *address = device->addr;
-        
         fibril_rwlock_read_unlock(&nildummy_globals.devices_lock);
         
@@ -269 +269 @@
 /** Return the device packet dimensions for sending.
  *
- * @param[in]  device_id Device identifier.
- * @param[out] addr_len  Minimum reserved address length.
- * @param[out] prefix    Minimum reserved prefix size.
- * @param[out] content   Maximum content size.
- * @param[out] suffix    Minimum reserved suffix size.
- *
- * @return EOK on success.
- * @return EBADMEM if either one of the parameters is NULL.
- * @return ENOENT if there is no such device.
+ * @param[in] device_id The device identifier.
+ * @param[out] addr_len The minimum reserved address length.
+ * @param[out] prefix   The minimum reserved prefix size.
+ * @param[out] content  The maximum content size.
+ * @param[out] suffix   The minimum reserved suffix size.
+ * @return              EOK on success.
+ * @return              EBADMEM if either one of the parameters is NULL.
+ * @return              ENOENT if there is no such device.
  *
  */
@@ -283 +282 @@
     size_t *prefix, size_t *content, size_t *suffix)
 {
-        if ((!addr_len) || (!prefix) || (!content) || (!suffix))
+        nildummy_device_t *device;
+
+        if (!addr_len || !prefix || !content || !suffix)
                 return EBADMEM;
         
         fibril_rwlock_read_lock(&nildummy_globals.devices_lock);
-        
-        nildummy_device_t *device =
-            nildummy_devices_find(&nildummy_globals.devices, device_id);
+        device = nildummy_devices_find(&nildummy_globals.devices, device_id);
         if (!device) {
                 fibril_rwlock_read_unlock(&nildummy_globals.devices_lock);
                 return ENOENT;
         }
-        
+
         *content = device->mtu;
-        
         fibril_rwlock_read_unlock(&nildummy_globals.devices_lock);
         
@@ -308 +306 @@
     packet_t *packet, services_t target)
 {
+        packet_t *next;
+
         fibril_rwlock_read_lock(&nildummy_globals.protos_lock);
-        
         if (nildummy_globals.proto.phone) {
                 do {
-                        packet_t *next = pq_detach(packet);
+                        next = pq_detach(packet);
                         il_received_msg(nildummy_globals.proto.phone, device_id,
                             packet, nildummy_globals.proto.service);
                         packet = next;
-                } while (packet);
-        }
-        
+                } while(packet);
+        }
         fibril_rwlock_read_unlock(&nildummy_globals.protos_lock);
         
@@ -328 +326 @@
  * Pass received packets for this service.
  *
- * @param[in] service Module service.
- * @param[in] phone   Service phone.
- *
- * @return EOK on success.
- * @return ENOENT if the service is not known.
- * @return ENOMEM if there is not enough memory left.
- *
+ * @param[in] service   The module service.
+ * @param[in] phone     The service phone.
+ * @return              EOK on success.
+ * @return              ENOENT if the service is not known.
+ * @return              ENOMEM if there is not enough memory left.
  */
 static int nildummy_register_message(services_t service, int phone)
@@ -351 +347 @@
 /** Send the packet queue.
  *
- * @param[in] device_id Device identifier.
- * @param[in] packet    Packet queue.
- * @param[in] sender    Sending module service.
- *
- * @return EOK on success.
- * @return ENOENT if there no such device.
- * @return EINVAL if the service parameter is not known.
- *
+ * @param[in] device_id The device identifier.
+ * @param[in] packet    The packet queue.
+ * @param[in] sender    The sending module service.
+ * @return              EOK on success.
+ * @return              ENOENT if there no such device.
+ * @return              EINVAL if the service parameter is not known.
  */
 static int nildummy_send_message(device_id_t device_id, packet_t *packet,
     services_t sender)
 {
+        nildummy_device_t *device;
+
         fibril_rwlock_read_lock(&nildummy_globals.devices_lock);
-        
-        nildummy_device_t *device =
-            nildummy_devices_find(&nildummy_globals.devices, device_id);
+        device = nildummy_devices_find(&nildummy_globals.devices, device_id);
         if (!device) {
                 fibril_rwlock_read_unlock(&nildummy_globals.devices_lock);
                 return ENOENT;
         }
-        
+
         /* Send packet queue */
         if (packet)
                 netif_send_msg(device->phone, device_id, packet,
                     SERVICE_NILDUMMY);
-        
         fibril_rwlock_read_unlock(&nildummy_globals.devices_lock);
-        
-        return EOK;
-}
-
-int nil_module_message(ipc_callid_t callid, ipc_call_t *call,
-    ipc_call_t *answer, size_t *answer_count)
+        return EOK;
+}
+
+int nil_message_standalone(const char *name, ipc_callid_t callid,
+    ipc_call_t *call, ipc_call_t *answer, size_t *answer_count)
 {
         measured_string_t *address;
@@ -442 +434 @@
 }
 
+/** Default thread for new connections.
+ *
+ * @param[in] iid       The initial message identifier.
+ * @param[in] icall     The initial message call structure.
+ */
+static void nil_client_connection(ipc_callid_t iid, ipc_call_t *icall)
+{
+        /*
+         * Accept the connection
+         *  - Answer the first IPC_M_CONNECT_ME_TO call.
+         */
+        ipc_answer_0(iid, EOK);
+        
+        while (true) {
+                ipc_call_t answer;
+                size_t count;
+                
+                /* Clear the answer structure */
+                refresh_answer(&answer, &count);
+                
+                /* Fetch the next message */
+                ipc_call_t call;
+                ipc_callid_t callid = async_get_call(&call);
+                
+                /* Process the message */
+                int res = nil_module_message_standalone(NAME, callid, &call,
+                    &answer, &count);
+                
+                /*
+                 * End if told to either by the message or the processing
+                 * result.
+                 */
+                if ((IPC_GET_IMETHOD(call) == IPC_M_PHONE_HUNGUP) ||
+                    (res == EHANGUP))
+                        return;
+                
+                /* Answer the message */
+                answer_call(callid, res, &answer, count);
+        }
+}
+
 int main(int argc, char *argv[])
 {
+        int rc;
+        
         /* Start the module */
-        return nil_module_start(SERVICE_NILDUMMY);
+        rc = nil_module_start_standalone(nil_client_connection);
+        return rc;
 }