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/*
* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "log.h"
#include "fdevent.h"
#include "utils.h"
#define TRACE_TAG TRACE_TRANSPORT
#include "sdb_usb.h"
#include "transport.h"
static void init_usb_transport(TRANSPORT *t, usb_handle *h, int state);
static int remote_read(TRANSPORT* t, void* data, int len)
{
return sdb_usb_read(t->usb, data, len);
}
static int remote_write(PACKET *p, TRANSPORT *t)
{
dump_packet(t->serial, "remote_write_usb", p);
if(sdb_usb_write(t->usb, &p->msg, sizeof(MESSAGE))) {
LOG_ERROR("mesage write error\n");
return -1;
}
if(p->msg.data_length != 0) {
if(sdb_usb_write(t->usb, &p->data, p->msg.data_length)) {
D("remote usb: 2 - write terminated\n");
return -1;
}
}
return 0;
}
static void remote_close(TRANSPORT *t)
{
sdb_usb_close(t->usb);
t->usb = 0;
}
static void remote_kick(TRANSPORT *t)
{
sdb_usb_kick(t->usb);
}
static void init_usb_transport(TRANSPORT *t, usb_handle *h, int state)
{
D("transport: usb\n");
t->close = remote_close;
t->kick = remote_kick;
t->read_from_remote = remote_read;
t->write_to_remote = remote_write;
t->connection_state = state;
t->type = kTransportUsb;
t->usb = h;
t->sdb_port = -1;
t->req = 0;
t->res = 0;
}
static int get_connected_device_count(transport_type type)
{
int cnt = 0;
sdb_mutex_lock(&transport_lock, "transport get_connected_device_count");
LIST_NODE* curptr = transport_list;
while(curptr != NULL) {
TRANSPORT *t = curptr->data;
curptr = curptr->next_ptr;
if (type == t->type) {
cnt++;
}
}
sdb_mutex_unlock(&transport_lock, "transport get_connected_device_count");
D("connected device count:%d\n",cnt);
return cnt;
}
void register_usb_transport(usb_handle *usb, const char *serial)
{
TRANSPORT *t = calloc(1, sizeof(TRANSPORT));
char device_name[256];
D("transport: %p init'ing for usb_handle %p (sn='%s')\n", t, usb,
serial ? serial : "");
init_usb_transport(t, usb, CS_OFFLINE);
if(serial) {
t->serial = strdup(serial);
}
t->remote_cnxn_socket = NULL;
register_transport(t);
/* tizen specific */
sprintf(device_name, "device-%d",get_connected_device_count(kTransportUsb));
t->device_name = strdup(device_name);
}
int is_sdb_interface(int vendor_id, int usb_class, int usb_subclass, int usb_protocol)
{
/**
* TODO: find easy way to add usb devices vendors
*/
if (vendor_id == VENDOR_ID_SAMSUNG && usb_class == SDB_INTERFACE_CLASS && usb_subclass == SDB_INTERFACE_SUBCLASS
&& usb_protocol == SDB_INTERFACE_PROTOCOL) {
return 1;
}
return 0;
}
void close_usb_devices()
{
sdb_mutex_lock(&transport_lock, "transport close_usb_devices");
LIST_NODE* curptr = transport_list;
while(curptr != NULL) {
TRANSPORT* t = curptr->data;
curptr = curptr->next_ptr;
if ( !t->kicked ) {
t->kicked = 1;
t->kick(t);
}
}
sdb_mutex_unlock(&transport_lock, "transport close_usb_devices");
}
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