initial commit

1 files changed, 132 insertions, 0 deletions

diff --git a/src/pdu.h b/src/pdu.h
new file mode 100644
index 0000000..0305550
--- /dev/null
+++ b/src/pdu.h
@@ -0,0 +1,132 @@
+#ifndef __PDU_H
+#define __PDU_H
+
+#include <stdint.h>
+#include <string.h>
+#include <time.h>
+
+#include <phonebook.h>
+
+extern char *strptime(const char *s, const char *format, struct tm *tm);
+
+#define PDU_BUFFER_SIZE		1024
+#define PDU_ADDR_SIZE		PHONEBOOK_ADDR_SIZE
+
+#define PDU_OCTETS_MAX		140
+#define PDU_UD_8BIT_MAX		PDU_OCTETS_MAX
+#define PDU_UD_7BIT_MAX		(PDU_OCTETS_MAX * 8 / 7)
+#define PDU_UD_SIZE		(PDU_UD_7BIT_MAX + 1)
+
+#define PDU_TIMESTAMP_LEN	14
+#define PDU_TIMESTAMP_SIZE	(PDU_TIMESTAMP_LEN + 1)
+#define GMT_OFFSET_LEN		2
+#define GMT_OFFSET_IDX		(PDU_TIMESTAMP_LEN - GMT_OFFSET_LEN)
+
+#define PDU_VPF_RELATIVE_2DAYS	0xA8
+
+struct pdu_addr {
+	char addr[PDU_ADDR_SIZE];
+	uint8_t type;
+	uint8_t len;
+};
+
+enum {
+	PDU_MTI_DELIVER = 0,
+	PDU_MTI_SUBMIT = 1,
+	PDU_MTI_REPORT = 2,
+	PDU_MTI_RESERVED = 3,
+};
+
+enum {
+	PDU_VPF_NOT_PRESENT = 0,
+	PDU_VPF_ENHANCED = 1,
+	PDU_VPF_RELATIVE = 2,
+	PDU_VPF_ABSOUTE = 3,
+};
+
+enum {
+	PDU_ALPHABET_DEFAULT = 0,
+	PDU_ALPHABET_EIGHT = 1,
+	PDU_ALPHABET_UCS2 = 2,
+	PDU_ALPHABET_RESERVED = 3,
+};
+
+struct pdu_info {
+	int msg_len;
+	struct pdu_addr smsc_addr;
+	struct pdu_addr addr;
+	union {
+		uint8_t type;
+		struct {
+			uint8_t msg_type: 2;
+			uint8_t more_msg: 1;
+			uint8_t unused: 2;
+			uint8_t status_report: 1;
+			uint8_t user_data_header: 1;
+			uint8_t reply_path: 1;
+		};
+		struct {
+			uint8_t msg_type: 2;
+			uint8_t reject_duplicates: 1;
+			uint8_t validity_period_format: 2;
+			uint8_t status_report: 1;
+			uint8_t user_data_header: 1;
+			uint8_t reply_path: 1;
+		};
+	} type;
+	uint8_t msg_reference;
+	uint8_t protocol_id;
+	union {
+		uint8_t data_coding;
+		struct {
+			uint8_t msg_class: 2;
+			uint8_t alphabet: 2;
+			uint8_t have_msg_class: 1;
+			uint8_t compressed: 1;
+			uint8_t unused: 2;
+		} general;
+	} data_coding;
+	uint8_t validity_period;
+	struct tm timestamp;
+	uint8_t user_data_len;
+	uint8_t user_data[PDU_UD_SIZE];
+};
+
+#define HEX_BYTE_LEN		2
+
+int hex_nibble_scan(const char *buf, size_t len);
+int hex_byte_decode(const char *buf);
+
+int hex_byte_encode(char *buf, size_t len, int byte);
+
+int nibble_swap(char *buf, size_t len);
+int strunpad(char *str, unsigned char c);
+int strpad(char *str, size_t len, unsigned char c);
+
+int pdu_format_timestamp(struct pdu_info *pdu, char *str, size_t len, const char *fmt);
+int pdu_format_vp(struct pdu_info *pdu, char *str, size_t len);
+int pdu_addr_type_infer(const char *str);
+int pdu_addr_fill(struct pdu_addr *addr, const char *addr_str, int type);
+int pdu_user_data_read(int fd, struct pdu_info *pdu);
+
+#define shiftr(a, n)		((a) >> (n))
+#define shiftl(a, n)		((a) << (n))
+
+#define bit_mask(n, s)		(((1 << (n)) - 1) << (s))
+#define bit_maskr(n)		bit_mask(n, 0)
+#define bit_maskl(n, b)		bit_mask(n, (b) - (n))
+
+#define cycleup(n, mod)		((n) % (mod))
+#define cycledown(n, mod)	((mod - 1) - ((n) % (mod)))
+
+#define octet_align(n)		((((n) * 7) + ((-(n) * 7) & 7)) / 8)
+
+#define STRLEN_CHECK(str, len, ret) \
+do { \
+	if (strnlen(str, len) < len) { \
+		log_error("buffer ends unexpectedly early"); \
+		return ret; \
+	} \
+} while (0)
+
+#endif /* ~__PDU_H */