void receive_str()
{
char * history_1 = (char *)malloc(255 * sizeof(char));
int history_count = 1;
int history_index = 0;
int up_count = 0;
char str_buffer[INPUT_STR_MAX];
int index = 0;
print_str("\nInput something or \"help\"\n");
print_str("mini-shell:$");
while(1) {
if(*(USART2_SR) & USART_FLAG_RXNE) {
str_buffer[index] =( *(USART2_DR) & 0xFF);
if((int)str_buffer[index]==0xD){//'\r' is 0xD in ascii
print_char("\n");
release_Mutex(print_Mutex);
if(!check_commands(str_buffer,index)){
print_str("Your input:");
print_str_specific(str_buffer,index);
}
/*
Record input history
*/
switch(history_count){
case 1:
strncpy(history_1,str_buffer,index);
history_index = index;
break;
}
history_count = 0;
history_count++;
print_str("\n");
index = 0;
print_str("\nmini-shell:$");
}else if(!strncmp(str_buffer,"A",1)){
up_count++;
switch(up_count){
case 1:
index = history_index;
strncpy(str_buffer,history_1,history_index);
print_str_specific(str_buffer,index);
break;
}
up_count = 0;
}else{
if(index == 0 ){
print_str("\nmini-shell:$");
while(acquire_Mutex(print_Mutex) != xMutex_success);//busy wait
}
print_char(&str_buffer[index]);
index++;
}
}
}
free(history_1);
}
int main(int argc, char *argv[])
{
FILE *input = stdin;
// Used to keep track of which buffer should be read in (added for scripting purposes)
char *tokens[100];
// An array storing argvs for the program to be executed
char commands[80]; // Stores the string entered on the 'command line'
// Note - command must be kept intact due to the way strtok functions!
int times_run = 0;
printf("Welcome to the terminal.\n");
catch_signals();
do
{
if (times_run >= 1)
{
commands[strlen(commands) - 1] = '\0';
tokenize(commands, tokens);
check_commands(tokens);
}
pid_t pid = fork();
if(pid > 0)
{ // Parent; prompt for new command
printf(">");
if (argc > 1 && times_run == 0)
{
FILE *script = fopen(argv[1], "r");
input = script;
times_run++;
continue;
}
int status;
wait(&status);
times_run++;
}
else if (pid == 0 && times_run >=1)
{ // This program is child process
if (execvp(tokens[0], tokens) == -1)
{
error("Unable to run command, please try again.");
}
}
else //if (pid < 0)
{ // Error, quit child process
exit(1);
}
} while (fgets(commands, 100, input) != NULL);
return 0;
}
void cli_send()
{
char message[MAXLINE];
puts("\n--->you are in DEFAULT mode type:\n"
"--->'monitor'-for MONITORING mode\n"
"--->'calculate'-for CALCULATING mode\n");
while(work)
{
printf("\n>>");
scanf("%s" , message);
if(!check_commands(message))
{
printf("--->err: '%s' is not valid command\n\n",message);
continue;
}
double m_res=atof(message);
if(m_res>0||strcmp(message,"0")==0)
send_num(sockfd, m_res);
else
send_str(sockfd, message);
if(strcmp(message, "terminate")==0)
kill(0,SIGINT);
else if(strcmp(message, "monitor")==0)
{
puts("--->you are in monitoring mode\n");
status=MONITORING;
}
else if(strcmp(message, "calculate")==0)
{
puts("--->you are in calculating mode\n");
status=CALCULATING;
}
else usleep(5000);
}
}
void read_args(t_env *e, int ac, char **av)
{
check_commands(e, ac, av);
check_args(e, ac, av);
}
