json_mod.c

#include <stdio.h>
#include <string.h>

#include "../../mod_fix.h"
#include "../../sr_module.h"

#include "json_funcs.h"

MODULE_VERSION

static int fixup_get_field(void** param, int param_no);
static int fixup_get_field_free(void** param, int param_no);

/* Exported functions */
static cmd_export_t cmds[]={
        {"json_get_field", (cmd_function)json_get_field, 3, 
                fixup_get_field, fixup_get_field_free, ANY_ROUTE},
        {0, 0, 0, 0, 0, 0}
};

struct module_exports exports = {
                "json",
                DEFAULT_DLFLAGS, /* dlopen flags */
                cmds,                    /* Exported functions */
                0,               /* Exported parameters */
                0,               /* exported statistics */
                0,                   /* exported MI functions */
                0,                               /* exported pseudo-variables */
                0,                               /* extra processes */
                0,        /* module initialization function */
                0,                               /* response function*/
                0,       /* destroy function */
                0       /* per-child init function */
};


static int fixup_get_field(void** param, int param_no)
{
  if (param_no == 1 || param_no == 2) {
                return fixup_spve_null(param, 1);
        }

        if (param_no == 3) {
                if (fixup_pvar_null(param, 1) != 0) {
                    LM_ERR("failed to fixup result pvar\n");
                    return -1;
                }
                if (((pv_spec_t *)(*param))->setf == NULL) {
                    LM_ERR("result pvar is not writeble\n");
                    return -1;
                }
                return 0;
        }
        
        LM_ERR("invalid parameter number <%d>\n", param_no);
        return -1;
}

static int fixup_get_field_free(void** param, int param_no)
{
        if (param_no == 1 || param_no == 2) {
                LM_WARN("free function has not been defined for spve\n");
                return 0;
        }

        if (param_no == 3) {
                return fixup_free_pvar_null(param, 3);
        }

        LM_ERR("invalid parameter number <%d>\n", param_no);
        return -1;
}