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Added some helper methods to message lib

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This commit is contained in:
Warwick 2023-08-16 15:17:03 +01:00
parent f1cc0c72fc
commit 4c07b5df6a
2 changed files with 12 additions and 5 deletions
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4
urchin-util/include/message_internal.h
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@ -2,6 +2,8 @@
#include "error.h"
#include <bits/stdint-uintn.h>
void msg__read_from_socket(int *sockfd, uint8_t *msgbuf, unsigned bufsize);
// One method to fill the buffer from a connection
void read_from_sock(uint8_t *recvbuf, unsigned bufsize, int *sockfd);
// One method to see how much data is in a buffer to unpack
size_t get_msg_size_in_buffer(unsigned max_length, uint8_t *out);

13
urchin-util/src/message.c
View file

@ -59,13 +59,18 @@ size_t get_msg_size_in_buffer(unsigned max_length, uint8_t *out) {
return cur_len;
}
void read_from_sock(uint8_t *recvbuf, unsigned bufsize, int *sockfd) {
bzero(recvbuf, bufsize);
if (read(*sockfd, recvbuf, bufsize) < 0) {
err__warn("Connection did not send data");
}
}
void msg__recv_login(int *con_sockfd) {
uint8_t msgbuf[MAX_MSG_SIZE];
bzero(msgbuf, sizeof msgbuf);
if (read(*con_sockfd, msgbuf, sizeof msgbuf) < 0) {
err__warn("Connection did not send login data");
}
read_from_sock(msgbuf, sizeof msgbuf, con_sockfd);
size_t msg_len = get_msg_size_in_buffer(MAX_MSG_SIZE, msgbuf);
PlayerLogin *pl = player_login__unpack(NULL, msg_len, msgbuf);