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Add a net_recv_all() function to ensure complete receives at all times

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Tiiffi
2025-11-27 06:55:06 +02:00
parent 9bcbe1c85d
commit cabddcb185
1 changed files with 13 additions and 0 deletions
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13
mcrcon.c
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@@ -84,6 +84,7 @@ void net_init_WSA(void);
void net_close(int sd); void net_close(int sd);
int net_connect(const char *host, const char *port); int net_connect(const char *host, const char *port);
bool net_send_packet(int sd, rc_packet *packet); bool net_send_packet(int sd, rc_packet *packet);
ssize_t net_recv_all(int sockfd, void *buf, size_t len);
rc_packet* net_recv_packet(int sd); rc_packet* net_recv_packet(int sd);
// Misc stuff // Misc stuff
@@ -422,6 +423,18 @@ bool net_send_packet(int sd, rc_packet *packet)
return true; return true;
} }
ssize_t net_recv_all(int sockfd, void *buf, size_t len)
{
size_t total = 0;
while (total < len) {
ssize_t n = recv(sockfd, (char*) buf + total, len - total, 0);
if (n <= 0) return n; // error or closed
total += n;
}
return total;
}
// TODO: Fix the wonky behaviour when server quit/exit/stop/close // TODO: Fix the wonky behaviour when server quit/exit/stop/close
// command is issued. Client should close gracefully without errors. // command is issued. Client should close gracefully without errors.