143 lines
2.6 KiB
C
143 lines
2.6 KiB
C
|
/*
|
||
|
|
* e_loop helper program
|
||
|
|
* Copyright (c) 2015, Qualcomm Atheros, Inc.
|
||
|
|
* All Rights Reserved.
|
||
|
|
* Licensed under the Clear BSD license. See README for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/wait.h>
|
||
|
|
|
||
|
|
|
||
|
|
char *e_loop_cmd_file = "/data/local/hs2/To_Phone/tag_file";
|
||
|
|
char *e_loop_log_file = "/data/local/hs2/To_Phone/Logs/e_loop.log";
|
||
|
|
static const char *log_file = NULL;
|
||
|
|
static const char *tag_file = NULL;
|
||
|
|
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
char *buf = NULL;
|
||
|
|
char *cmd = NULL;
|
||
|
|
long pos;
|
||
|
|
int c, ret;
|
||
|
|
size_t len = 0;
|
||
|
|
FILE *f, *f2 = NULL;
|
||
|
|
|
||
|
|
/* Set the defaults */
|
||
|
|
log_file = e_loop_log_file;
|
||
|
|
tag_file = e_loop_cmd_file;
|
||
|
|
|
||
|
|
for (;;) {
|
||
|
|
c = getopt(argc, argv, "l:t:");
|
||
|
|
if (c < 0)
|
||
|
|
break;
|
||
|
|
switch (c) {
|
||
|
|
case 'l':
|
||
|
|
log_file = optarg;
|
||
|
|
break;
|
||
|
|
case 't':
|
||
|
|
tag_file = optarg;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
printf("usage: e_loop [-l<log_filename>] [-t<tag_filename>]\n");
|
||
|
|
exit(0);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Main command event loop */
|
||
|
|
while (1) {
|
||
|
|
/* Wait for a tag_file with a command to process */
|
||
|
|
while (!(f = fopen(tag_file, "rb")))
|
||
|
|
sleep(1);
|
||
|
|
|
||
|
|
len = 80;
|
||
|
|
/* Figure out how long the file is */
|
||
|
|
if (fseek(f, 0, SEEK_END) < 0 || (pos = ftell(f)) < 0) {
|
||
|
|
fclose(f);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
len = pos;
|
||
|
|
if (fseek(f, 0, SEEK_SET) < 0) {
|
||
|
|
fclose(f);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
buf = malloc(len);
|
||
|
|
if (!buf)
|
||
|
|
return -1;
|
||
|
|
/* Read up the command line */
|
||
|
|
if (fread(buf, 1, len, f) != len) {
|
||
|
|
fclose(f);
|
||
|
|
free(buf);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
fclose(f);
|
||
|
|
|
||
|
|
buf[len - 1] = '\0';
|
||
|
|
|
||
|
|
if (log_file) {
|
||
|
|
len = strlen(buf) + strlen(log_file) + 7;
|
||
|
|
cmd = malloc(len);
|
||
|
|
if (cmd == NULL) {
|
||
|
|
free(buf);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
ret = snprintf(cmd, len, "%s > %s", buf, log_file);
|
||
|
|
if (ret < 0 || (size_t) ret >= len) {
|
||
|
|
free(buf);
|
||
|
|
free(cmd);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
free(buf);
|
||
|
|
buf = NULL;
|
||
|
|
} else {
|
||
|
|
cmd = buf;
|
||
|
|
}
|
||
|
|
|
||
|
|
cmd[len - 1] = '\0';
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This string "cmd" will contain the command passed in by
|
||
|
|
* hs20-action.sh. And the name of the "logfile". Which can be
|
||
|
|
* monitored for the result.
|
||
|
|
*/
|
||
|
|
ret = system(cmd);
|
||
|
|
|
||
|
|
if (WIFEXITED(ret)) {
|
||
|
|
ret = WEXITSTATUS(ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((f2 = fopen(log_file, "a")) == NULL) {
|
||
|
|
free(cmd);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fprintf(f2,"\nELOOP_CMD : %s\n", cmd) <= 0) {
|
||
|
|
fclose(f2);
|
||
|
|
free(cmd);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fprintf(f2,"\nELOOP_CMD_STATUS : %d\n", ret) <= 0) {
|
||
|
|
fclose(f2);
|
||
|
|
free(cmd);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Only free the cmd buffer. It is all that is left allocated */
|
||
|
|
free(cmd);
|
||
|
|
|
||
|
|
fclose(f2);
|
||
|
|
|
||
|
|
/* Clean up */
|
||
|
|
unlink(tag_file);
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|