hedgewars: project_files/frontlib/socket.c@5608ac657362 (annotated)

7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	1	#include "socket.h"
7179 f84805e6df03 Implemented game launching API for the frontlib. Medo <smaxein@googlemail.com> parents: 7177 diff changeset	2	#include "util/logging.h"
7224 5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	3	#include "util/util.h"
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	4	#include <stdlib.h>
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	5	#include <SDL_net.h>
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	6	#include <time.h>
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	7
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	8	struct _flib_tcpsocket {
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	9	TCPsocket sock;
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	10	SDLNet_SocketSet sockset;
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	11	};
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	12
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	13	struct _flib_acceptor {
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	14	TCPsocket sock;
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	15	uint16_t port;
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	16	};
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	17
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	18	static uint32_t getPeerIp(TCPsocket sock) {
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	19	IPaddress *addr = SDLNet_TCP_GetPeerAddress(sock);
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	20	return SDLNet_Read32(&addr->host);
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	21	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	22
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	23	static bool connectionIsLocal(TCPsocket sock) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	24	return getPeerIp(sock) == (uint32_t)((127UL<<24)+1); // 127.0.0.1
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	25	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	26
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	27	static flib_tcpsocket *createSocket(TCPsocket sdlsock) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	28	flib_tcpsocket *result = flib_calloc(1, sizeof(flib_tcpsocket));
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	29	if(result) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	30	result->sock = sdlsock;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	31	result->sockset = SDLNet_AllocSocketSet(1);
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	32
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	33	if(!result->sockset) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	34	flib_log_e("Can't allocate socket: Out of memory!");
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	35	SDLNet_FreeSocketSet(result->sockset);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	36	free(result);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	37	result = NULL;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	38	} else {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	39	SDLNet_AddSocket(result->sockset, (SDLNet_GenericSocket)result->sock);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	40	}
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	41	}
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	42	return result;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	43	}
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	44
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	45	TCPsocket listen(uint16_t port) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	46	IPaddress addr;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	47	addr.host = INADDR_ANY;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	48	SDLNet_Write16(port, &addr.port);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	49	TCPsocket sock = SDLNet_TCP_Open(&addr);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	50	if(!sock) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	51	flib_log_w("Unable to listen on port %u: %s", (unsigned)port, SDLNet_GetError());
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	52	}
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	53	return sock;
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	54	}
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	55
7224 5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	56	flib_acceptor *flib_acceptor_create(uint16_t port) {
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	57	flib_acceptor *result = flib_calloc(1, sizeof(flib_acceptor));
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	58	if(result) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	59	if(port > 0) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	60	result->port = port;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	61	result->sock = listen(result->port);
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	62	} else {
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	63	/* SDL_net does not seem to have a way to listen on a random unused port
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	64	and find out which port that is, so let's try to find one ourselves. */
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	65	srand(time(NULL));
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	66	for(int i=0; !result->sock && i<1000; i++) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	67	// IANA suggests using ports in the range 49152-65535 for things like this
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	68	result->port = 49152+(rand()%(65535-49152));
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	69	result->sock = listen(result->port);
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	70	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	71	}
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	72	if(!result->sock) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	73	flib_log_e("Failed to create acceptor.");
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	74	free(result);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	75	result = NULL;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	76	}
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	77	}
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	78	return result;
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	79	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	80
7224 5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	81	uint16_t flib_acceptor_listenport(flib_acceptor *acceptor) {
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	82	if(!acceptor) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	83	flib_log_e("Call to flib_acceptor_listenport with acceptor==null");
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	84	return 0;
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	85	}
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	86	return acceptor->port;
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	87	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	88
7224 5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	89	void flib_acceptor_close(flib_acceptor *acceptor) {
5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	90	if(acceptor) {
5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	91	SDLNet_TCP_Close(acceptor->sock);
5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	92	free(acceptor);
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	93	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	94	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	95
7224 5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	96	flib_tcpsocket flib_socket_accept(flib_acceptor acceptor, bool localOnly) {
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	97	flib_tcpsocket *result = NULL;
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	98	if(!acceptor) {
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	99	flib_log_e("Call to flib_socket_accept with acceptor==null");
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	100	} else {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	101	TCPsocket sock = NULL;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	102	while(!result && (sock = SDLNet_TCP_Accept(acceptor->sock))) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	103	if(localOnly && !connectionIsLocal(sock)) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	104	flib_log_i("Rejected nonlocal connection attempt from %s", flib_format_ip(getPeerIp(sock)));
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	105	} else {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	106	result = createSocket(sock);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	107	}
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	108	if(!result) {
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	109	SDLNet_TCP_Close(sock);
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	110	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	111	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	112	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	113	return result;
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	114	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	115
7234 613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	116	flib_tcpsocket flib_socket_connect(const char host, uint16_t port) {
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	117	flib_tcpsocket *result = NULL;
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	118	if(!host \|\| port==0) {
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	119	flib_log_e("Invalid parameter in flib_socket_connect");
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	120	} else {
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	121	IPaddress ip;
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	122	if(SDLNet_ResolveHost(&ip,host,port)==-1) {
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	123	flib_log_e("SDLNet_ResolveHost: %s\n", SDLNet_GetError());
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	124	} else {
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	125	TCPsocket sock=SDLNet_TCP_Open(&ip);
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	126	if(!sock) {
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	127	flib_log_e("SDLNet_TCP_Open: %s\n", SDLNet_GetError());
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	128	} else {
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: 7234 diff changeset	129	result = createSocket(sock);
7234 613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	130	if(result) {
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	131	sock = NULL;
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	132	}
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	133	}
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	134	SDLNet_TCP_Close(sock);
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	135	}
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	136	}
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	137	return result;
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	138	}
613998625a3c frontlib: Started work on the server connection code Medo <smaxein@googlemail.com> parents: 7224 diff changeset	139
7224 5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	140	void flib_socket_close(flib_tcpsocket *sock) {
5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	141	if(sock) {
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	142	SDLNet_DelSocket(sock->sockset, (SDLNet_GenericSocket)sock->sock);
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	143	SDLNet_TCP_Close(sock->sock);
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	144	SDLNet_FreeSocketSet(sock->sockset);
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	145	free(sock);
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	146	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	147	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	148
7224 5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	149	int flib_socket_nbrecv(flib_tcpsocket sock, void data, int maxlen) {
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	150	if(!sock \|\| (maxlen>0 && !data)) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	151	flib_log_e("Call to flib_socket_nbrecv with sock==null or data==null");
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	152	return -1;
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	153	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	154	int readySockets = SDLNet_CheckSockets(sock->sockset, 0);
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	155	if(readySockets>0) {
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	156	int size = SDLNet_TCP_Recv(sock->sock, data, maxlen);
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	157	return size>0 ? size : -1;
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	158	} else if(readySockets==0) {
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	159	return 0;
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	160	} else {
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	161	flib_log_e("Error in select system call: %s", SDLNet_GetError());
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	162	return -1;
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	163	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	164	}
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	165
7224 5143861c83bd Cleanup, refactoring and generally more development in the frontlib Medo <smaxein@googlemail.com> parents: 7179 diff changeset	166	int flib_socket_send(flib_tcpsocket sock, const void data, int len) {
7175 038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	167	if(!sock \|\| (len>0 && !data)) {
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	168	flib_log_e("Call to flib_socket_send with sock==null or data==null");
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	169	return -1;
038e3415100a Added ini reading/writing for game schemes to the frontend lib Medo <smaxein@googlemail.com> parents: 7171 diff changeset	170	}
7171 906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	171	return SDLNet_TCP_Send(sock->sock, data, len);
906e72caea7b frontlib refactoring Medo <smaxein@googlemail.com> parents: diff changeset	172	}

author	Medo <smaxein@googlemail.com>
	Mon, 25 Jun 2012 00:42:07 +0200
changeset 7271	5608ac657362
parent 7234	613998625a3c
child 7314	6171f0bad318
permissions	-rw-r--r--