+++ /dev/null
-/*
-* DA manager
-*
-* Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
-*
-* Contact:
-*
-* Jaewon Lim <jaewon81.lim@samsung.com>
-* Woojin Jung <woojin2.jung@samsung.com>
-* Juyoung Kim <j0.kim@samsung.com>
-*
- * 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.
-*
-* Contributors:
-* - S-Core Co., Ltd
-*
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <pthread.h>
-#include <dirent.h>
-#include <signal.h>
-#include <linux/input.h>
-
-#define BUF_SIZE 1024
-#define INPUT_ID_STR_KEY "ID_INPUT_KEY=1"
-#define INPUT_ID_STR_TOUCH "ID_INPUT_TOUCHSCREEN=1"
-#define INPUT_ID_STR_KEYBOARD "ID_INPUT_KEYBOARD=1"
-#define INPUT_ID_STR_TABLET "ID_INPUT_TABLET=1"
-#define MAX_DEVICE 10
-#define MAX_FILENAME 128
-
-#define INPUT_ID_TOUCH 0
-#define INPUT_ID_KEY 1
-#define STR_TOUCH "TOUCH"
-#define STR_KEY "KEY"
-#define ARRAY_END (-11)
-
-#define DAEMON_SENDER 0x01
-#define DAEMON_RECEIVER 0x10
-
-typedef struct _input_dev
-{
- int fd;
- char fileName[MAX_FILENAME];
-} input_dev;
-
-// ====================================================================
-// helper functions
-// ====================================================================
-
-// return bytes size of readed data
-// return 0 if no data readed or error occurred
-static int _file_read(FILE* fp, char *buffer, int size)
-{
- int ret = 0;
-
- if(fp != NULL && size > 0)
- {
- ret = fread((void*)buffer, sizeof(char), size, fp);
- }
- else
- {
- // fp is null
- if(size > 0)
- buffer[0] = '\0';
-
- ret = 0; // error case
- }
-
- return ret;
-}
-
-// get input id of given input device
-static int get_input_id(char* inputname)
-{
- static int query_cmd_type = 0; // 1 if /lib/udev/input_id, 2 if udevadm
- FILE* cmd_fp = NULL;
- char buffer[BUF_SIZE];
- char command[MAX_FILENAME];
- int ret = -1;
-
- // determine input_id query command
- if(__builtin_expect(query_cmd_type == 0, 0))
- {
- sprintf(command, "ls /lib/udev/input_id; echo cmd_ret:$?;");
- cmd_fp = popen(command, "r");
- _file_read(cmd_fp, buffer, BUF_SIZE);
- if(strstr(buffer, "cmd_ret:0")) // there is /lib/udev/input_id
- {
- query_cmd_type = 1;
- }
- else // there is not /lib/udev/input_id
- {
- query_cmd_type = 2;
- }
- if(cmd_fp != NULL)
- pclose(cmd_fp);
- }
-
- // make command string
- if(query_cmd_type == 1)
- {
- sprintf(command, "/lib/udev/input_id /class/input/%s", inputname);
- }
- else if(query_cmd_type == 2)
- {
- sprintf(command, "udevadm info --name=input/%s --query=property", inputname);
- }
- else
- {
- // not impossible
- perror("query cmd type is not valid");
- exit(0);
- }
-
- // run command
- cmd_fp = popen(command, "r");
- _file_read(cmd_fp, buffer, BUF_SIZE);
-
- // determine input id
- if(strstr(buffer, INPUT_ID_STR_KEY)) // key
- {
- ret = INPUT_ID_KEY;
- }
- else if(strstr(buffer, INPUT_ID_STR_TOUCH)) // touch
- {
- ret = INPUT_ID_TOUCH;
- }
- else if(strstr(buffer, INPUT_ID_STR_KEYBOARD)) // keyboard
- {
- ret = INPUT_ID_KEY;
- }
- else if(strstr(buffer, INPUT_ID_STR_TABLET)) // touch (emulator)
- {
- ret = INPUT_ID_TOUCH;
- }
-
- if(cmd_fp != NULL)
- pclose(cmd_fp);
- return ret;
-}
-
-// get filename and fd of given input type devices
-static void _get_fds(input_dev *dev, int input_id)
-{
- DIR *dp;
- struct dirent *d;
- int count = 0;
-
- dp = opendir("/sys/class/input");
-
- if(dp != NULL)
- {
- while((d = readdir(dp)) != NULL)
- {
- if(!strncmp(d->d_name, "event", 5)) // start with "event"
- {
- // event file
- if(input_id == get_input_id(d->d_name))
- {
- sprintf(dev[count].fileName, "/dev/input/%s", d->d_name);
- dev[count].fd = open(dev[count].fileName, O_RDWR);
- count++;
- }
- }
- }
-
- closedir(dp);
- }
- dev[count].fd = ARRAY_END; // end of input_dev array
-}
-
-// ================================================================
-// device write function
-// ================================================================
-
-static void _device_write(input_dev *dev, struct input_event* in_ev)
-{
- int i;
- for(i = 0; dev[i].fd != ARRAY_END; i++)
- {
- if(dev[i].fd >= 0)
- write(dev[i].fd, in_ev, sizeof(struct input_event));
- }
-}
-
-// =================================================================
-// file descriptor manipulation functions
-// =================================================================
-
-static void _fd_insert(fd_set* fdset, input_dev *dev)
-{
- int i;
- for(i = 0; dev[i].fd != ARRAY_END; i++)
- {
- if(dev[i].fd >= 0)
- {
- FD_SET(dev[i].fd, fdset);
- }
- }
-}
-
-static int _fd_isset(fd_set* fdset, input_dev *dev)
-{
- int i;
- for(i = 0; dev[i].fd != ARRAY_END; i++)
- {
- if(dev[i].fd >= 0)
- {
- if(FD_ISSET(dev[i].fd, fdset))
- {
- return i;
- }
- }
- }
-
- return -1;
-}
-
-
-int _get_maxfd(input_dev *touch, input_dev *key)
-{
- int i;
- int maxfd = -1;
-
- for(i = 0 ; touch[i].fd != ARRAY_END; i++)
- {
- if(touch[i].fd > maxfd)
- maxfd = touch[i].fd;
- }
-
- for(i = 0 ; key[i].fd != ARRAY_END; i++)
- {
- if(key[i].fd > maxfd)
- maxfd = key[i].fd;
- }
-
- return maxfd;
-}
-
-// ============================================================================
-// sender and receiver functions
-// ============================================================================
-
-static int sender()
-{
- struct input_event in_ev;
- char eventType[MAX_FILENAME];
-
- input_dev key_dev[MAX_DEVICE];
- input_dev touch_dev[MAX_DEVICE];
-
- _get_fds(key_dev, INPUT_ID_KEY);
- _get_fds(touch_dev, INPUT_ID_TOUCH);
-
- while(1)
- {
- scanf("%s %hx %hx %d", eventType, &in_ev.type, &in_ev.code, &in_ev.value);
- if(!strncmp(eventType, STR_TOUCH, strlen(STR_TOUCH)))
- {
- _device_write(touch_dev, &in_ev);
- }
- else if(!strncmp(eventType, STR_KEY, strlen(STR_KEY)))
- {
- _device_write(key_dev, &in_ev);
- }
- }
-
- return 0;
-}
-
-static int receiver()
-{
- fd_set allfds, readfds;
- int maxfd;
- int index;
- struct input_event in_ev;
-
- input_dev key_dev[MAX_DEVICE];
- input_dev touch_dev[MAX_DEVICE];
-
- _get_fds(key_dev, INPUT_ID_KEY);
- _get_fds(touch_dev, INPUT_ID_TOUCH);
-
- FD_ZERO(&readfds);
- _fd_insert(&readfds, key_dev);
- _fd_insert(&readfds, touch_dev);
-
- maxfd = _get_maxfd(touch_dev, key_dev);
-
- while(1)
- {
- allfds = readfds;
-
- select(maxfd + 1, &allfds, NULL, NULL, NULL);
-
- if((index = _fd_isset(&allfds, touch_dev)) != -1)
- {
- //touch read
- read(touch_dev[index].fd, &in_ev, sizeof(struct input_event));
- printf("%s %s %ld %ld %x %x %d\n",
- STR_TOUCH, touch_dev[index].fileName, in_ev.time.tv_sec,
- in_ev.time.tv_usec, in_ev.type, in_ev.code, in_ev.value);
- }
- else if ((index = _fd_isset(&allfds, key_dev)) != -1)
- {
- //key read
- read(key_dev[index].fd, &in_ev, sizeof(struct input_event));
- printf("%s %s %ld %ld %x %x %d\n",
- STR_KEY, key_dev[index].fileName, in_ev.time.tv_sec,
- in_ev.time.tv_usec, in_ev.type, in_ev.code, in_ev.value);
- }
- }
-
- return 0;
-}
-
-// ======================================================================
-// main function and end signal handler
-// ======================================================================
-
-static void end_program(int sig)
-{
- exit(0);
-}
-
-int main(int argc, char **argv)
-{
- int opt;
- unsigned int commandType = 0;
- signal(SIGINT, end_program);
-
- while((opt = getopt(argc, argv, "sr")) != -1)
- {
- switch(opt)
- {
- case 's': // send
- commandType |= DAEMON_SENDER;
- break;
- case 'r': // receive
- commandType |= DAEMON_RECEIVER;
- break;
- default: // unknown option
- commandType = 0;
- break;
- }
-
- if(commandType == 0)
- break;
- }
-
- if(commandType == DAEMON_SENDER)
- {
- sender();
- }
- else if(commandType == DAEMON_RECEIVER)
- {
- receiver();
- }
- else
- {
- // TODO : print help text
- }
-
- return 0;
-}
-
projects / platform / core / system / swap-manager.git / commitdiff