blob: bf761004dfcf788d29387517300bf81d18b219d8 [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2009-2012 Broadcom Corporation
*
* 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.
*
******************************************************************************/
#define LOG_TAG "bt_btif_sock"
#include "btif_sock_util.h"
#include <arpa/inet.h>
#include <errno.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>
#include <hardware/bluetooth.h>
#include <hardware/bt_sock.h>
#include "bt_common.h"
#include "bt_target.h"
#include "bta_api.h"
#include "bta_jv_api.h"
#include "bta_jv_co.h"
#include "btif_common.h"
#include "btif_sock_sdp.h"
#include "btif_sock_thread.h"
#include "btif_util.h"
#include "btm_api.h"
#include "btm_int.h"
#include "btu.h"
#include "hcimsgs.h"
#include "osi/include/log.h"
#include "port_api.h"
#include "sdp_api.h"
#define asrt(s) \
do { \
if (!(s)) \
BTIF_TRACE_ERROR("## %s assert %s failed at line:%d ##", __func__, #s, \
__LINE__) \
} while (0)
int sock_send_all(int sock_fd, const uint8_t* buf, int len) {
int s = len;
while (s) {
ssize_t ret;
OSI_NO_INTR(ret = send(sock_fd, buf, s, 0));
if (ret <= 0) {
BTIF_TRACE_ERROR("sock fd:%d send errno:%d, ret:%d", sock_fd, errno, ret);
return -1;
}
buf += ret;
s -= ret;
}
return len;
}
int sock_recv_all(int sock_fd, uint8_t* buf, int len) {
int r = len;
while (r) {
ssize_t ret;
OSI_NO_INTR(ret = recv(sock_fd, buf, r, MSG_WAITALL));
if (ret <= 0) {
BTIF_TRACE_ERROR("sock fd:%d recv errno:%d, ret:%d", sock_fd, errno, ret);
return -1;
}
buf += ret;
r -= ret;
}
return len;
}
int sock_send_fd(int sock_fd, const uint8_t* buf, int len, int send_fd) {
struct msghdr msg;
unsigned char* buffer = (unsigned char*)buf;
memset(&msg, 0, sizeof(msg));
struct cmsghdr* cmsg;
char msgbuf[CMSG_SPACE(1)];
asrt(send_fd != -1);
if (sock_fd == -1 || send_fd == -1) return -1;
// Add any pending outbound file descriptors to the message
// See "man cmsg" really
msg.msg_control = msgbuf;
msg.msg_controllen = sizeof msgbuf;
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;
cmsg->cmsg_len = CMSG_LEN(sizeof send_fd);
memcpy(CMSG_DATA(cmsg), &send_fd, sizeof send_fd);
// We only write our msg_control during the first write
int ret_len = len;
while (len > 0) {
struct iovec iv;
memset(&iv, 0, sizeof(iv));
iv.iov_base = buffer;
iv.iov_len = len;
msg.msg_iov = &iv;
msg.msg_iovlen = 1;
ssize_t ret;
OSI_NO_INTR(ret = sendmsg(sock_fd, &msg, MSG_NOSIGNAL));
if (ret < 0) {
BTIF_TRACE_ERROR("fd:%d, send_fd:%d, sendmsg ret:%d, errno:%d, %s",
sock_fd, send_fd, (int)ret, errno, strerror(errno));
ret_len = -1;
break;
}
buffer += ret;
len -= ret;
// Wipes out any msg_control too
memset(&msg, 0, sizeof(msg));
}
BTIF_TRACE_DEBUG("close fd:%d after sent", send_fd);
// TODO: This seems wrong - if the FD is not opened in JAVA before this is
// called
// we get a "socket closed" exception in java, when reading from the
// socket...
close(send_fd);
return ret_len;
}
static const char* hex_table = "0123456789abcdef";
static inline void byte2hex(const char* data, char** str) {
**str = hex_table[(*data >> 4) & 0xf];
++*str;
**str = hex_table[*data & 0xf];
++*str;
}
static inline void byte2char(const char* data, char** str) {
**str = *data < ' ' ? '.' : *data > '~' ? '.' : *data;
++(*str);
}
static inline void word2hex(const char* data, char** hex) {
byte2hex(&data[1], hex);
byte2hex(&data[0], hex);
}
void dump_bin(const char* title, const char* data, int size) {
char line_buff[256];
char* line;
int i, j, addr;
const int width = 16;
LOG_DEBUG(LOG_TAG, "%s, size:%d, dump started {", title, size);
if (size <= 0) return;
// write offset
line = line_buff;
*line++ = ' ';
*line++ = ' ';
*line++ = ' ';
*line++ = ' ';
*line++ = ' ';
*line++ = ' ';
for (j = 0; j < width; j++) {
byte2hex((const char*)&j, &line);
*line++ = ' ';
}
*line = 0;
LOG_DEBUG(LOG_TAG, "%s", line_buff);
for (i = 0; i < size / width; i++) {
line = line_buff;
// write address:
addr = i * width;
word2hex((const char*)&addr, &line);
*line++ = ':';
*line++ = ' ';
// write hex of data
for (j = 0; j < width; j++) {
byte2hex(&data[j], &line);
*line++ = ' ';
}
// write char of data
for (j = 0; j < width; j++) byte2char(data++, &line);
// wirte the end of line
*line = 0;
// output the line
LOG_DEBUG(LOG_TAG, "%s", line_buff);
}
// last line of left over if any
int leftover = size % width;
if (leftover > 0) {
line = line_buff;
// write address:
addr = i * width;
word2hex((const char*)&addr, &line);
*line++ = ':';
*line++ = ' ';
// write hex of data
for (j = 0; j < leftover; j++) {
byte2hex(&data[j], &line);
*line++ = ' ';
}
// write hex padding
for (; j < width; j++) {
*line++ = ' ';
*line++ = ' ';
*line++ = ' ';
}
// write char of data
for (j = 0; j < leftover; j++) byte2char(data++, &line);
// write the end of line
*line = 0;
// output the line
LOG_DEBUG(LOG_TAG, "%s", line_buff);
}
LOG_DEBUG(LOG_TAG, "%s, size:%d, dump ended }", title, size);
}