| 1 | /*
|
|---|
| 2 | * Copyright (c) 2011 Martin Decky
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup libnet
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 |
|
|---|
| 33 | /** @file
|
|---|
| 34 | * Transport layer module skeleton implementation.
|
|---|
| 35 | * @see tl_skel.h
|
|---|
| 36 | */
|
|---|
| 37 |
|
|---|
| 38 | #include <bool.h>
|
|---|
| 39 | #include <errno.h>
|
|---|
| 40 | #include <tl_skel.h>
|
|---|
| 41 | #include <net_interface.h>
|
|---|
| 42 | #include <net/modules.h>
|
|---|
| 43 |
|
|---|
| 44 | // FIXME: remove this header
|
|---|
| 45 | #include <kernel/ipc/ipc_methods.h>
|
|---|
| 46 |
|
|---|
| 47 | /** Default thread for new connections.
|
|---|
| 48 | *
|
|---|
| 49 | * @param[in] iid The initial message identifier.
|
|---|
| 50 | * @param[in] icall The initial message call structure.
|
|---|
| 51 | * @param[in] arg Local argument.
|
|---|
| 52 | *
|
|---|
| 53 | */
|
|---|
| 54 | static void tl_client_connection(ipc_callid_t iid, ipc_call_t *icall,
|
|---|
| 55 | void *arg)
|
|---|
| 56 | {
|
|---|
| 57 | /*
|
|---|
| 58 | * Accept the connection by answering
|
|---|
| 59 | * the initial IPC_M_CONNECT_ME_TO call.
|
|---|
| 60 | */
|
|---|
| 61 | async_answer_0(iid, EOK);
|
|---|
| 62 |
|
|---|
| 63 | /* Per-connection initialization */
|
|---|
| 64 | tl_connection();
|
|---|
| 65 |
|
|---|
| 66 | while (true) {
|
|---|
| 67 | ipc_call_t answer;
|
|---|
| 68 | size_t count;
|
|---|
| 69 |
|
|---|
| 70 | /* Clear the answer structure */
|
|---|
| 71 | refresh_answer(&answer, &count);
|
|---|
| 72 |
|
|---|
| 73 | /* Fetch the next message */
|
|---|
| 74 | ipc_call_t call;
|
|---|
| 75 | ipc_callid_t callid = async_get_call(&call);
|
|---|
| 76 |
|
|---|
| 77 | /* Process the message */
|
|---|
| 78 | int res = tl_message(callid, &call, &answer, &count);
|
|---|
| 79 |
|
|---|
| 80 | /*
|
|---|
| 81 | * End if told to either by the message or the processing
|
|---|
| 82 | * result.
|
|---|
| 83 | */
|
|---|
| 84 | if ((!IPC_GET_IMETHOD(call)) || (res == EHANGUP))
|
|---|
| 85 | return;
|
|---|
| 86 |
|
|---|
| 87 | /* Answer the message */
|
|---|
| 88 | answer_call(callid, res, &answer, count);
|
|---|
| 89 | }
|
|---|
| 90 | }
|
|---|
| 91 |
|
|---|
| 92 | /** Start the trasport layer module.
|
|---|
| 93 | *
|
|---|
| 94 | * Initialize the client connection serving function, initialize
|
|---|
| 95 | * the module, register the module service and start the async
|
|---|
| 96 | * manager, processing IPC messages in an infinite loop.
|
|---|
| 97 | *
|
|---|
| 98 | * @param[in] service Service identification.
|
|---|
| 99 | *
|
|---|
| 100 | * @return EOK on success.
|
|---|
| 101 | * @return Other error codes as defined for the pm_init() function.
|
|---|
| 102 | * @return Other error codes as defined for the il_initialize()
|
|---|
| 103 | * function.
|
|---|
| 104 | * @return Other error codes as defined for the REGISTER_ME() macro
|
|---|
| 105 | * function.
|
|---|
| 106 | *
|
|---|
| 107 | */
|
|---|
| 108 | int tl_module_start(int service)
|
|---|
| 109 | {
|
|---|
| 110 | async_set_client_connection(tl_client_connection);
|
|---|
| 111 | int net_phone = net_connect_module();
|
|---|
| 112 | if (net_phone < 0)
|
|---|
| 113 | return net_phone;
|
|---|
| 114 |
|
|---|
| 115 | int rc = pm_init();
|
|---|
| 116 | if (rc != EOK)
|
|---|
| 117 | return rc;
|
|---|
| 118 |
|
|---|
| 119 | rc = tl_initialize(net_phone);
|
|---|
| 120 | if (rc != EOK)
|
|---|
| 121 | goto out;
|
|---|
| 122 |
|
|---|
| 123 | rc = async_connect_to_me(PHONE_NS, service, 0, 0, NULL, NULL);
|
|---|
| 124 | if (rc != EOK)
|
|---|
| 125 | goto out;
|
|---|
| 126 |
|
|---|
| 127 | async_manager();
|
|---|
| 128 |
|
|---|
| 129 | out:
|
|---|
| 130 | pm_destroy();
|
|---|
| 131 | return rc;
|
|---|
| 132 | }
|
|---|
| 133 |
|
|---|
| 134 | /** @}
|
|---|
| 135 | */
|
|---|
