static void fix_message_unparse(struct fix_message *self)
{
struct fix_field sender_comp_id;
struct fix_field target_comp_id;
struct fix_field begin_string;
struct fix_field sending_time;
struct fix_field body_length;
struct fix_field msg_seq_num;
struct fix_field check_sum;
struct fix_field msg_type;
unsigned long cksum;
char fmt[64], buf[64];
struct timeval tv;
struct tm *tm;
int i;
gettimeofday(&tv, NULL);
tm = gmtime(&tv.tv_sec);
assert(tm != NULL);
/* YYYYMMDD-HH:MM:SS.sss */
strftime(fmt, sizeof fmt, "%Y%m%d-%H:%M:%S", tm);
snprintf(buf, sizeof buf, "%s.%03ld", fmt, (long)tv.tv_usec / 1000);
/* standard header */
msg_type = FIX_STRING_FIELD(MsgType, self->msg_type);
sender_comp_id = FIX_STRING_FIELD(SenderCompID, self->sender_comp_id);
target_comp_id = FIX_STRING_FIELD(TargetCompID, self->target_comp_id);
msg_seq_num = FIX_INT_FIELD (MsgSeqNum, self->msg_seq_num);
sending_time = FIX_STRING_FIELD(SendingTime, buf);
/* body */
fix_field_unparse(&msg_type, self->body_buf);
fix_field_unparse(&sender_comp_id, self->body_buf);
fix_field_unparse(&target_comp_id, self->body_buf);
fix_field_unparse(&msg_seq_num, self->body_buf);
fix_field_unparse(&sending_time, self->body_buf);
for (i = 0; i < self->nr_fields; i++)
fix_field_unparse(&self->fields[i], self->body_buf);
/* head */
begin_string = FIX_STRING_FIELD(BeginString, self->begin_string);
body_length = FIX_INT_FIELD(BodyLength, buffer_size(self->body_buf));
fix_field_unparse(&begin_string, self->head_buf);
fix_field_unparse(&body_length, self->head_buf);
/* trailer */
cksum = buffer_sum(self->head_buf) + buffer_sum(self->body_buf);
check_sum = FIX_CHECKSUM_FIELD(CheckSum, cksum % 256);
fix_field_unparse(&check_sum, self->body_buf);
}
void fix_message_unparse(struct fix_message *self)
{
struct fix_field sender_comp_id;
struct fix_field target_comp_id;
struct fix_field begin_string;
struct fix_field sending_time;
struct fix_field body_length;
struct fix_field msg_seq_num;
struct fix_field check_sum;
struct fix_field msg_type;
unsigned long cksum;
char buf[64];
int i;
TRACE(LIBTRADING_FIX_MESSAGE_UNPARSE(self));
strncpy(buf, self->str_now, sizeof(buf));
/* standard header */
msg_type = (self->type != FIX_MSG_TYPE_UNKNOWN) ?
FIX_STRING_FIELD(MsgType, fix_msg_types[self->type]) :
FIX_STRING_FIELD(MsgType, self->msg_type);
sender_comp_id = FIX_STRING_FIELD(SenderCompID, self->sender_comp_id);
target_comp_id = FIX_STRING_FIELD(TargetCompID, self->target_comp_id);
msg_seq_num = FIX_INT_FIELD (MsgSeqNum, self->msg_seq_num);
sending_time = FIX_STRING_FIELD(SendingTime, buf);
/* body */
fix_field_unparse(&msg_type, self->body_buf);
fix_field_unparse(&sender_comp_id, self->body_buf);
fix_field_unparse(&target_comp_id, self->body_buf);
fix_field_unparse(&msg_seq_num, self->body_buf);
fix_field_unparse(&sending_time, self->body_buf);
for (i = 0; i < self->nr_fields; i++)
fix_field_unparse(&self->fields[i], self->body_buf);
/* head */
begin_string = FIX_STRING_FIELD(BeginString, self->begin_string);
body_length = FIX_INT_FIELD(BodyLength, buffer_size(self->body_buf));
fix_field_unparse(&begin_string, self->head_buf);
fix_field_unparse(&body_length, self->head_buf);
/* trailer */
cksum = buffer_sum(self->head_buf) + buffer_sum(self->body_buf);
check_sum = FIX_CHECKSUM_FIELD(CheckSum, cksum % 256);
fix_field_unparse(&check_sum, self->body_buf);
TRACE(LIBTRADING_FIX_MESSAGE_UNPARSE_RET());
}