#include "ipf.h"
#include "ipmon.h"

static void *execute_parse(char **);
static void execute_destroy(void *);
static int execute_send(void *, ipmon_msg_t *);
static void execute_print(void *);

typedef struct execute_opts_s {
        char    *path;
} execute_opts_t;

ipmon_saver_t executesaver = {
        "execute",
        execute_destroy,
        NULL,                   /* dup */
        NULL,                   /* match */
        execute_parse,
        execute_print,
        execute_send
};


static void *
execute_parse(char **strings)
{
        execute_opts_t *ctx;

        ctx = calloc(1, sizeof(*ctx));

        if (ctx != NULL && strings[0] != NULL && strings[0][0] != '\0') {
                ctx->path = strdup(strings[0]);

        } else {
                free(ctx);
                return (NULL);
        }

        return (ctx);
}


static void
execute_print(void *ctx)
{
        execute_opts_t *exe = ctx;

        printf("%s", exe->path);
}


static void
execute_destroy(void *ctx)
{
        execute_opts_t *exe = ctx;

        if (exe != NULL)
                free(exe->path);
        free(exe);
}


static int
execute_send(void *ctx, ipmon_msg_t *msg)
{
        execute_opts_t *exe = ctx;
        FILE *fp;

        fp = popen(exe->path, "w");
        if (fp != NULL) {
                fwrite(msg->imm_msg, msg->imm_msglen, 1, fp);
                pclose(fp);
        }
        return (0);
}