L2CAP: Remove unused l2cap_client am: 0ed66c46 am: d17556d5

        "l2cap/l2c_link.cc",

        "l2cap/l2c_main.cc",

        "l2cap/l2c_utils.cc",

        "l2cap/l2cap_client.cc",

        "pan/pan_api.cc",

        "pan/pan_main.cc",

        "pan/pan_utils.cc",

    "l2cap/l2c_link.cc",

    "l2cap/l2c_main.cc",

    "l2cap/l2c_utils.cc",

    "l2cap/l2cap_client.cc",

    "pan/pan_api.cc",

    "pan/pan_main.cc",

    "pan/pan_utils.cc",

extern bool L2CA_GetPeerLECocConfig(uint16_t lcid,

                                    tL2CAP_LE_CFG_INFO* peer_cfg);

// This function sets the callback routines for the L2CAP connection referred to

// by |local_cid|. The callback routines can only be modified for outgoing

// connections established by |L2CA_ConnectReq| or accepted incoming

// connections. |callbacks| must not be NULL. This function returns true if the

// callbacks could be updated, false if not (e.g. |local_cid| was not found).

bool L2CA_SetConnectionCallbacks(uint16_t local_cid,

                                 const tL2CAP_APPL_INFO* callbacks);

/*******************************************************************************

 *

 * Function         L2CA_ErtmConnectRsp

/******************************************************************************

 *

 *  Copyright 2014 Google, Inc.

 *

 *  Licensed under the Apache License, Version 2.0 (the "License");

 *  you may not use this file except in compliance with the License.

 *  You may obtain a copy of the License at:

 *

 *  http://www.apache.org/licenses/LICENSE-2.0

 *

 *  Unless required by applicable law or agreed to in writing, software

 *  distributed under the License is distributed on an "AS IS" BASIS,

 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *  See the License for the specific language governing permissions and

 *  limitations under the License.

 *

 ******************************************************************************/

#pragma once

#include <hardware/bluetooth.h>

#include <stdbool.h>

#include <stdint.h>

typedef struct buffer_t buffer_t;

typedef struct l2cap_client_t l2cap_client_t;

typedef struct {

  void (*connected)(l2cap_client_t* client, void* context);

  void (*disconnected)(l2cap_client_t* client, void* context);

  void (*read_ready)(l2cap_client_t* client, buffer_t* packet, void* context);

  void (*write_ready)(l2cap_client_t* client, void* context);

} l2cap_client_callbacks_t;

// Returns a new buffer with enough space for |size| bytes of L2CAP payload.

// |size| must be greater than zero. This function returns NULL if the buffer

// could not be allocated. The returned buffer must be freed with |buffer_free|

// when it is no longer needed.

buffer_t* l2cap_buffer_new(size_t size);

// Creates and returns a new L2CAP client object. |callbacks| must not be NULL

// and must specify a set of functions that should be called back when events

// occur on the L2CAP connection. |context| may be NULL and will be passed as

// the argument to all callbacks in |l2cap_client_callbacks_t|. The returned

// object must be freed with |l2cap_client_free|.

l2cap_client_t* l2cap_client_new(const l2cap_client_callbacks_t* callbacks,

                                 void* context);

// Frees the L2CAP client object allocated with |l2cap_client_new|. |client| may

// be NULL.

void l2cap_client_free(l2cap_client_t* client);

// Attempts to connect the |client| to a peer device specified by

// |remote_bdaddr| using the |psm| protocol specifier. This function returns

// true if the connect operation could be started and will indicate completion

// with either a 'connected' callback (success) or a 'disconnected' callback

// (failure).

//

// This function must not be called while a connect operation is in progress or

// while |l2cap_client_is_connected|. |client| and |remote_bdaddr| must not be

// NULL. |psm| must be greater than zero.

bool l2cap_client_connect(l2cap_client_t* client,

                          const RawAddress& remote_bdaddr, uint16_t psm);

// Disconnects a connected |client|. This function is asynchronous and

// idempotent. It will indicate completion with a 'disconnected' callback.

// |client| must not be NULL.

void l2cap_client_disconnect(l2cap_client_t* client);

// Returns true if |client| is connected and is ready to accept data written

// to it. |client| must not be NULL.

bool l2cap_client_is_connected(const l2cap_client_t* client);

// Writes data contained in |packet| to a connected |client|. This function

// returns true if the packet was successfully queued for delivery, false if the

// client cannot accept more data at this time. If this function returns false,

// the caller must wait for the 'write_ready' callback to write additional data

// to the client. Neither |client| nor |packet| may be NULL.

bool l2cap_client_write(l2cap_client_t* client, buffer_t* packet);

  return true;

}

bool L2CA_SetConnectionCallbacks(uint16_t local_cid,

                                 const tL2CAP_APPL_INFO* callbacks) {

  if (bluetooth::shim::is_gd_shim_enabled()) {

    return bluetooth::shim::L2CA_SetConnectionCallbacks(local_cid, callbacks);

  }

  CHECK(callbacks != NULL);

  CHECK(callbacks->pL2CA_ConnectInd_Cb == NULL);

  CHECK(callbacks->pL2CA_ConnectCfm_Cb != NULL);

  CHECK(callbacks->pL2CA_ConfigInd_Cb != NULL);

  CHECK(callbacks->pL2CA_ConfigCfm_Cb != NULL);

  CHECK(callbacks->pL2CA_DisconnectInd_Cb != NULL);

  CHECK(callbacks->pL2CA_DisconnectCfm_Cb != NULL);

  CHECK(callbacks->pL2CA_CongestionStatus_Cb != NULL);

  CHECK(callbacks->pL2CA_DataInd_Cb != NULL);

  CHECK(callbacks->pL2CA_TxComplete_Cb != NULL);

  tL2C_CCB* channel_control_block = l2cu_find_ccb_by_cid(NULL, local_cid);

  if (!channel_control_block) {

    LOG_ERROR(LOG_TAG,

              "%s no channel control block found for L2CAP LCID=0x%04x.",

              __func__, local_cid);

    return false;

  }

  // We're making a connection-specific registration control block so we check

  // if we already have a private one allocated to us on the heap. If not, we

  // make a new allocation, mark it as heap-allocated, and inherit the fields

  // from the old control block.

  tL2C_RCB* registration_control_block = channel_control_block->p_rcb;

  if (!channel_control_block->should_free_rcb) {

    registration_control_block = (tL2C_RCB*)osi_calloc(sizeof(tL2C_RCB));

    *registration_control_block = *channel_control_block->p_rcb;

    channel_control_block->p_rcb = registration_control_block;

    channel_control_block->should_free_rcb = true;

  }

  registration_control_block->api = *callbacks;

  return true;

}

/*******************************************************************************

 *

 * Function         L2CA_ConnectRsp