diff options
Diffstat (limited to 'src/gsmd/gsmd.h')
-rw-r--r-- | src/gsmd/gsmd.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/gsmd/gsmd.h b/src/gsmd/gsmd.h new file mode 100644 index 0000000..ff05a27 --- /dev/null +++ b/src/gsmd/gsmd.h @@ -0,0 +1,68 @@ +#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 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 |