Changeset ecff3d9 in mainline

Timestamp:

2012-02-01T22:06:05Z (12 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

59157eb

Parents:

c76e926

Message:

Implement inet client IPC communication. Fix bug in inet_init().

Location:

uspace

Files:

• lib/c/generic/inet.c (modified) (3 diffs)
• lib/c/include/ipc/inet.h (modified) (1 diff)
• srv/inet/inet.c (modified) (4 diffs)
• srv/tcp/tcp.c (modified) (2 diffs)

uspace/lib/c/generic/inet.c

@@ -75 +75 @@
 {
         service_id_t inet_svc;
+        int rc;
 
         assert(inet_sess == NULL);
@@ -80 +81 @@
         assert(inet_protocol == 0);
 
-        inet_svc = loc_service_get_id(SERVICE_NAME_INET, &inet_svc,
+        rc = loc_service_get_id(SERVICE_NAME_INET, &inet_svc,
             IPC_FLAG_BLOCKING);
+        if (rc != EOK)
+                return ENOENT;
+
         inet_sess = loc_service_connect(EXCHANGE_SERIALIZE, inet_svc,
             IPC_FLAG_BLOCKING);
@@ -107 +111 @@
 int inet_send(inet_dgram_t *dgram, uint8_t ttl, inet_df_t df)
 {
-        return ENOTSUP;
+        async_exch_t *exch = async_exchange_begin(inet_sess);
+
+        ipc_call_t answer;
+        aid_t req = async_send_5(exch, INET_SEND, dgram->src.ipv4,
+            dgram->dest.ipv4, dgram->tos, ttl, df, &answer);
+        int rc = async_data_write_start(exch, dgram->data, dgram->size);
+        async_exchange_end(exch);
+
+        if (rc != EOK) {
+                async_wait_for(req, NULL);
+                return rc;
+        }
+
+        sysarg_t retval;
+        async_wait_for(req, &retval);
+        if (retval != EOK)
+                return retval;
+
+        return EOK;
 }
 
 int inet_get_srcaddr(inet_addr_t *remote, uint8_t tos, inet_addr_t *local)
 {
-        return ENOTSUP;
+        sysarg_t local_addr;
+        async_exch_t *exch = async_exchange_begin(inet_sess);
+
+        int rc = async_req_1_1(exch, INET_GET_SRCADDR, remote->ipv4,
+            &local_addr);
+        async_exchange_end(exch);
+
+        if (rc != EOK)
+                return rc;
+
+        local->ipv4 = local_addr;
+        return EOK;
 }
 

uspace/lib/c/include/ipc/inet.h

@@ -40 +40 @@
 typedef enum {
         INET_CALLBACK_CREATE = IPC_FIRST_USER_METHOD,
+        INET_GET_SRCADDR,
         INET_SEND,
         INET_SET_PROTO

uspace/srv/inet/inet.c

@@ -44 +44 @@
 #include <loc.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 
@@ -99 +100 @@
 }
 
+static void inet_get_srcaddr(inet_client_t *client, ipc_callid_t callid,
+    ipc_call_t *call)
+{
+        log_msg(LVL_DEBUG, "inet_get_srcaddr()");
+
+        async_answer_0(callid, ENOTSUP);
+}
+
 static void inet_send(inet_client_t *client, ipc_callid_t callid,
     ipc_call_t *call)
 {
+        uint32_t src_ipv4;
+        uint32_t dest_ipv4;
+        uint8_t tos;
+        uint8_t ttl;
+        int df;
+        void *data;
+        size_t size;
+        int rc;
+
         log_msg(LVL_DEBUG, "inet_send()");
+
+        src_ipv4 = IPC_GET_ARG1(*call);
+        dest_ipv4 = IPC_GET_ARG2(*call);
+        tos = IPC_GET_ARG3(*call);
+        ttl = IPC_GET_ARG4(*call);
+        df = IPC_GET_ARG5(*call);
+
+        (void)src_ipv4;
+        (void)dest_ipv4;
+        (void)tos;
+        (void)ttl;
+        (void)df;
+
+        rc = async_data_write_accept(&data, false, 0, 0, 0, &size);
+        if (rc != EOK) {
+                async_answer_0(callid, rc);
+                return;
+        }
+
+        free(data);
         async_answer_0(callid, ENOTSUP);
 }
@@ -168 +206 @@
                         inet_callback_create(&client, callid, &call);
                         break;
+                case INET_GET_SRCADDR:
+                        inet_get_srcaddr(&client, callid, &call);
+                        break;
                 case INET_SEND:
                         inet_send(&client, callid, &call);
@@ -197 +238 @@
                 return 1;
 
+        printf(NAME ": Accepting connections.\n");
         task_retval(0);
         async_manager();

uspace/srv/tcp/tcp.c

@@ -186 +186 @@
 
         rc = inet_init(42, &tcp_inet_ev_ops);
-        if (rc != EOK)
+        if (rc != EOK) {
+                log_msg(LVL_ERROR, "Failed connecting to internet service.");
                 return ENOENT;
+        }
 
         rc = tcp_sock_init();
-        if (rc != EOK)
+        if (rc != EOK) {
+                log_msg(LVL_ERROR, "Failed initializing socket service.");
                 return ENOENT;
+        }
 
         return EOK;
@@ -208 +212 @@
         }
 
-        tcp_init();
+        rc = tcp_init();
+        if (rc != EOK)
+                return 1;
+
+        printf(NAME ": Accepting connections.\n");
         task_retval(0);
         async_manager();