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#ifndef __GSMD_H
#define __GSMD_H
#include <sys/types.h>
#include <common/linux_list.h>
#include "select.h"
/* Refer to 3GPP TS 07.07 v 7.8.0, Chapter 4.1 */
#define LGSM_ATCMD_F_EXTENDED 0x01 /* as opposed to basic */
#define LGSM_ATCMD_F_PARAM 0x02 /* as opposed to action */
struct gsmd_atcmd {
struct llist_head list;
void *ctx;
int (*cb)(struct gsmd_atcmd *, void *);
u_int8_t flags;
int32_t ret;
u_int32_t buflen;
char *resp;
char buf[];
};
enum llparse_state {
LLPARSE_STATE_IDLE, /* idle, not parsing a response */
LLPARSE_STATE_IDLE_CR, /* CR before response (V1) */
LLPARSE_STATE_IDLE_LF, /* LF before response (V1) */
LLPARSE_STATE_RESULT, /* within result payload */
LLPARSE_STATE_RESULT_CR, /* CR after result */
LLPARSE_STATE_ERROR, /* something went wrong */
/* ... idle again */
};
/* we can't take any _single_ response bigger than this: */
#define LLPARSE_BUF_SIZE 256
struct llparser {
enum llparse_state state;
unsigned int len;
unsigned int flags;
void *ctx;
int (*cb)(const char *buf, int len, void *ctx);
char *cur;
char buf[LLPARSE_BUF_SIZE];
};
#define GSMD_FLAG_V0 0x0001 /* V0 responses to be expected from TA */
struct gsmd {
unsigned int flags;
struct gsmd_fd gfd_uart;
struct gsmd_fd gfd_sock;
struct llparser llp;
struct llist_head users;
struct llist_head pending_atcmds; /* our busy gsmd_atcmds */
struct llist_head busy_atcmds; /* our busy gsmd_atcmds */
};
struct gsmd_user {
struct llist_head list; /* our entry in the global list */
struct llist_head finished_ucmds; /* our busy gsmd_ucmds */
struct gsmd *gsmd;
struct gsmd_fd gfd; /* the socket */
u_int32_t subscriptions; /* bitmaks of subscribed event groups */
};
#define DEBUGP(x, args ...) printf("%s:%s(%d):" x, __FILE__, __FUNCTION__, __LINE__, ## args)
#endif
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