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CLI pipe save function

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This commit is contained in:
Olof hagsand 2024-04-09 15:17:06 +02:00
parent f9faf1039a
commit e55e05353f
6 changed files with 118 additions and 5 deletions
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56
apps/cli/cli_pipe.c
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@ -72,15 +72,12 @@
#include "clixon_cli_api.h"
/* Grep pipe output function
/* General-purpose pipe output function
*
* @param[in] h Clixon handle
* @param[in] cmd Command to exec
* @param[in] option Option to command (or NULL)
* @param[in] value Command argument value (or NULL)
* @code
* grep <arg:rest>, grep_fn("-e", "arg");
* @endcode
*/
int
pipe_arg_fn(clixon_handle h,
@ -344,6 +341,57 @@ pipe_showas_fn(clixon_handle h,
return retval;
}
/*! pipe function: save to file
*
* @param[in] h Clixon handle
* @param[in] cvv Vector of cli string and instantiated variables
* @param[in] argv String vector of options. Format: <argname>
* @retval 0 OK
* @retval -1 Error
*/
int
pipe_save_file(clixon_handle h,
cvec *cvv,
cvec *argv)
{
int retval = -1;
cg_var *cv;
char *str;
char *argname = NULL;
char *filename = NULL;
int fd;
if (cvec_len(argv) != 1){
clixon_err(OE_PLUGIN, EINVAL, "Received %d arguments. Expected: <argname>", cvec_len(argv));
goto done;
}
if ((cv = cvec_i(argv, 0)) != NULL &&
(str = cv_string_get(cv)) != NULL &&
strlen(str)){
argname = str;
}
if (argname && strlen(argname)){
if ((cv = cvec_find_var(cvv, argname)) != NULL &&
(str = cv_string_get(cv)) != NULL &&
strlen(str))
filename = str;
}
if (filename){
if ((fd = creat(filename, S_IRUSR | S_IWUSR)) < 0){
clixon_err(OE_CFG, errno, "creat(%s)", filename);
goto done;
}
close(1);
if (dup2(fd, STDOUT_FILENO) < 0){
clixon_err(OE_UNIX, errno, "dup2(STDOUT)");
return -1;
}
return pipe_arg_fn(h, CAT_BIN, NULL, NULL);
}
done:
return retval;
}
/*! Test cli callback calls cligen_output with output lines as given by function arguments
*
* Only for test or debugging to generate output to eg cligen_output scrolling