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/*
* This file is part of libsamsung-ipc.
*
* Copyright (C) 2010-2011 Joerie de Gram <j.de.gram@gmail.com>
* Copyright (C) 2013-2014 Paul Kocialkowski <contact@paulk.fr>
*
* libsamsung-ipc is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* libsamsung-ipc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libsamsung-ipc. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <fcntl.h>
#include <ctype.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <asm/types.h>
#include <samsung-ipc.h>
#include "ipc.h"
int ipc_seq_valid(unsigned char seq)
{
if (seq == 0x00 || seq == 0xff)
return 0;
return 1;
}
int ipc_data_dump(struct ipc_client *client, const void *data, size_t size)
{
unsigned int cols = 8;
unsigned int cols_count = 2;
int spacer;
char string[81] = { 0 };
char final[161] = { 0 };
size_t length;
char *print;
unsigned char *p;
unsigned int offset;
unsigned int rollback;
unsigned int i, j, k;
int rc;
if (data == NULL || size == 0)
return -1;
/*
* spacer = string length - offset print length - data print length -
* ascii print length
*/
spacer = (sizeof(string) - 1) - 6 -
(3 * cols * cols_count - 1 + (cols_count - 1)) -
(cols * cols_count + cols_count - 1);
/* Need 3 spacers */
spacer /= 3;
if (spacer <= 0)
return -1;
p = (unsigned char *) data;
offset = 0;
while (offset < size) {
rollback = 0;
print = (char *) &string;
length = sizeof(string);
/* Offset print */
rc = snprintf(print, length, "[%04x]", offset);
print += rc;
length -= rc;
/* Spacer print */
for (i = 0; i < (unsigned int) spacer; i++) {
*print++ = ' ';
length--;
}
/* Data print */
for (i = 0; i < cols_count; i++) {
for (j = 0; j < cols; j++) {
if (offset < size) {
rc = snprintf(print, length, "%02X",
*p);
print += rc;
length -= rc;
p++;
offset++;
rollback++;
} else {
for (k = 0; k < 2; k++) {
*print++ = ' ';
length--;
}
}
if (j != (cols - 1)) {
*print++ = ' ';
length--;
}
}
if (i != (cols_count - 1)) {
for (k = 0; k < 2; k++) {
*print++ = ' ';
length--;
}
}
}
/* Spacer print */
for (i = 0; i < (unsigned int) spacer; i++) {
*print++ = ' ';
length--;
}
/* ASCII print */
p -= rollback;
offset -= rollback;
for (i = 0; i < cols_count; i++) {
for (j = 0; j < cols; j++) {
if (offset < size) {
if (isascii(*p) && isprint(*p))
*print = *p;
else
*print = '.';
print++;
length--;
p++;
offset++;
rollback++;
}
}
if (i != (cols_count - 1) && offset < size) {
*print++ = ' ';
length--;
}
}
*print = '\0';
/* Escape string */
j = 0;
for (i = 0; i < sizeof(string); i++) {
if (string[i] == '%')
final[j++] = string[i];
final[j++] = string[i];
}
ipc_client_log(client, final);
}
return 0;
}
void ipc_client_log_send(struct ipc_client *client, struct ipc_message *message,
const char *prefix)
{
if (client == NULL || message == NULL || prefix == NULL)
return;
switch (client->type) {
case IPC_CLIENT_TYPE_FMT:
ipc_client_log(client, "\n");
ipc_client_log(client, "%s: Sent FMT message", prefix);
ipc_client_log(
client,
"%s: Message: mseq=0x%02x, command=%s, type=%s, size=%d",
prefix, message->mseq,
ipc_command_string(message->command),
ipc_request_type_string(message->type),
message->size);
#ifdef DEBUG
if (message->size > 0) {
ipc_client_log(
client,
"================================= IPC FMT data =================================");
ipc_data_dump(client, (void *) message->data,
message->size > 0x100 ?
0x100 : message->size);
ipc_client_log(
client,
"================================================================================");
}
#endif
break;
case IPC_CLIENT_TYPE_RFS:
ipc_client_log(client, "\n");
ipc_client_log(client, "%s: Sent RFS message", prefix);
ipc_client_log(client,
"%s: Message: mseq=0x%02x, command=%s, size=%d",
prefix, message->mseq,
ipc_command_string(message->command),
message->size);
#ifdef DEBUG
if (message->size > 0) {
ipc_client_log(
client,
"================================= IPC RFS data =================================");
ipc_data_dump(client, (void *) message->data,
message->size > 0x100 ?
0x100 : message->size);
ipc_client_log(
client,
"================================================================================");
}
#endif
break;
}
}
void ipc_client_log_recv(struct ipc_client *client, struct ipc_message *message,
const char *prefix)
{
if (client == NULL || message == NULL || prefix == NULL)
return;
switch (client->type) {
case IPC_CLIENT_TYPE_FMT:
ipc_client_log(client, "\n");
ipc_client_log(client, "%s: Received FMT message", prefix);
ipc_client_log(
client,
"%s: Message: aseq=0x%02x, command=%s, type=%s, size=%d",
prefix, message->aseq,
ipc_command_string(message->command),
ipc_response_type_string(message->type),
message->size);
#ifdef DEBUG
if (message->size > 0) {
ipc_client_log(
client,
"================================= IPC FMT data =================================");
ipc_data_dump(client, (void *) message->data,
message->size > 0x100 ?
0x100 : message->size);
ipc_client_log(
client,
"================================================================================");
}
#endif
break;
case IPC_CLIENT_TYPE_RFS:
ipc_client_log(client, "\n");
ipc_client_log(client, "%s: Received RFS message", prefix);
ipc_client_log(client,
"%s: Message: aseq=0x%02x, command=%s, size=%d",
prefix, message->aseq,
ipc_command_string(message->command),
message->size);
#ifdef DEBUG
if (message->size > 0) {
ipc_client_log(
client,
"================================= IPC RFS data =================================");
ipc_data_dump(client, (void *) message->data,
message->size > 0x100 ?
0x100 : message->size);
ipc_client_log(
client,
"================================================================================");
}
#endif
break;
}
}
int ipc_fmt_header_setup(struct ipc_fmt_header *header,
const struct ipc_message *message)
{
if (header == NULL || message == NULL)
return -1;
memset(header, 0, sizeof(struct ipc_fmt_header));
header->length = message->size + sizeof(struct ipc_fmt_header);
header->mseq = message->mseq;
header->aseq = message->aseq;
header->group = IPC_GROUP(message->command);
header->index = IPC_INDEX(message->command);
header->type = message->type;
return 0;
}
int ipc_fmt_message_setup(const struct ipc_fmt_header *header,
struct ipc_message *message)
{
if (header == NULL || message == NULL)
return -1;
memset(message, 0, sizeof(struct ipc_message));
message->mseq = header->mseq;
message->aseq = header->aseq;
message->command = IPC_COMMAND(header->group, header->index);
message->type = header->type;
message->data = NULL;
message->size = 0;
return 0;
}
int ipc_rfs_header_setup(struct ipc_rfs_header *header,
const struct ipc_message *message)
{
if (header == NULL || message == NULL)
return -1;
memset(header, 0, sizeof(struct ipc_rfs_header));
header->length = message->size + sizeof(struct ipc_rfs_header);
header->id = message->mseq;
header->index = IPC_INDEX(message->command);
return 0;
}
int ipc_rfs_message_setup(const struct ipc_rfs_header *header,
struct ipc_message *message)
{
if (header == NULL || message == NULL)
return -1;
memset(message, 0, sizeof(struct ipc_message));
message->aseq = header->id;
message->command = IPC_COMMAND(IPC_GROUP_RFS, header->index);
message->data = NULL;
message->size = 0;
return 0;
}
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