X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=test.c;h=922099a9009dc83c386417a84fa2c2b8ac848628;hb=aef3cad25ea81f727608689ef97fce9e0dbe5285;hp=0e0cb2eb480cf733f20ec9ac2232ec1eb403c5a1;hpb=95d7d348316f1ed8d2ff3e37cb7f962abf4a7f84;p=utcp diff --git a/test.c b/test.c index 0e0cb2e..922099a 100644 --- a/test.c +++ b/test.c @@ -16,32 +16,39 @@ struct utcp_connection *c; int dir = 3; bool running = true; +double dropin; +double dropout; -int do_recv(struct utcp_connection *c, void *data, size_t len) { +ssize_t do_recv(struct utcp_connection *c, const void *data, size_t len) { if(!data || !len) { - if(errno) + if(errno) { fprintf(stderr, "Error: %s\n", strerror(errno)); - else { + dir = 0; + } else { dir &= ~2; fprintf(stderr, "Connection closed by peer\n"); } - return 0; + return -1; } - return write(0, data, len); + return write(1, data, len); } -void do_accept(struct utcp_connection *nc, void *data, size_t len) { +void do_accept(struct utcp_connection *nc, uint16_t port) { utcp_accept(nc, do_recv, NULL); c = nc; } -int do_send(struct utcp *utcp, void *data, size_t len) { +ssize_t do_send(struct utcp *utcp, const void *data, size_t len) { int s = *(int *)utcp->priv; - return send(s, data, len, MSG_DONTWAIT); + if(drand48() >= dropout) + return send(s, data, len, MSG_DONTWAIT); + else + return len; } int main(int argc, char *argv[]) { srand(time(NULL)); + srand48(time(NULL)); if(argc < 2 || argc > 3) return 1; @@ -49,6 +56,9 @@ int main(int argc, char *argv[]) { bool server = argc == 2; bool connected = false; + dropin = atof(getenv("DROPIN") ?: "0"); + dropout = atof(getenv("DROPOUT") ?: "0"); + struct addrinfo *ai; struct addrinfo hint = { .ai_flags = server ? AI_PASSIVE : 0, @@ -72,26 +82,28 @@ int main(int argc, char *argv[]) { connected = true; } + freeaddrinfo(ai); + struct utcp *u = utcp_init(server ? do_accept : NULL, NULL, do_send, &s); if(!u) return 1; + utcp_set_mtu(u, 1300); + utcp_set_user_timeout(u, 10); + if(!server) - c = utcp_connect(u, "test", 4, do_recv, NULL); + c = utcp_connect(u, 1, do_recv, NULL); struct pollfd fds[2] = { {.fd = 0, .events = POLLIN | POLLERR | POLLHUP}, {.fd = s, .events = POLLIN | POLLERR | POLLHUP}, }; - char buf[1024]; + char buf[102400]; + struct timeval timeout = utcp_timeout(u); while(dir) { - int r = poll(fds, 2, 1000); - if(!r) { - utcp_timeout(u); - continue; - } + poll(fds, 2, timeout.tv_sec * 1000 + timeout.tv_usec / 1000); if(fds[0].revents) { int len = read(0, buf, sizeof buf); @@ -111,15 +123,18 @@ int main(int argc, char *argv[]) { if(fds[1].revents) { struct sockaddr_storage ss; - socklen_t sl; + socklen_t sl = sizeof ss; int len = recvfrom(s, buf, sizeof buf, MSG_DONTWAIT, (struct sockaddr *)&ss, &sl); if(len <= 0) break; if(!connected) if(!connect(s, (struct sockaddr *)&ss, sl)) connected = true; - utcp_recv(u, buf, len); + if(drand48() >= dropin) + utcp_recv(u, buf, len); } + + timeout = utcp_timeout(u); }; utcp_close(c);