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message.c
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message.c
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#include "nsq.h"
#ifdef DEBUG
#define _DEBUG(...) fprintf(stdout, __VA_ARGS__)
#else
#define _DEBUG(...) do {;} while (0)
#endif
uint64_t ntoh64(const uint8_t *data) {
return (uint64_t)(data[7]) | (uint64_t)(data[6])<<8 |
(uint64_t)(data[5])<<16 | (uint64_t)(data[4])<<24 |
(uint64_t)(data[3])<<32 | (uint64_t)(data[2])<<40 |
(uint64_t)(data[1])<<48 | (uint64_t)(data[0])<<56;
}
struct NSQMessage *nsq_decode_message(const char *data, size_t data_length)
{
struct NSQMessage *msg;
size_t body_length;
msg = (struct NSQMessage *)malloc(sizeof(struct NSQMessage));
msg->timestamp = (int64_t)ntoh64((uint8_t *)data);
msg->attempts = ntohs(*(uint16_t *)(data+8));
memcpy(&msg->id, data+10, 16);
body_length = data_length - 26;
msg->body = (char *)malloc(body_length);
memcpy(msg->body, data+26, body_length);
msg->body_length = body_length;
return msg;
}
void free_nsq_message(struct NSQMessage *msg)
{
if (msg) {
free(msg->body);
free(msg);
}
}