X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=test.c;h=757364f0f7e63432bf387ce6ce7a2637e45a9370;hb=5f80449794064756239fb6d0488d0324508f5e4b;hp=10ebc9a63c441571fee10852cc94e58c8b8cd183;hpb=bf061dc83602d9ec71591c4e138cc9cd583bcfad;p=utcp diff --git a/test.c b/test.c index 10ebc9a..757364f 100644 --- a/test.c +++ b/test.c @@ -16,8 +16,10 @@ struct utcp_connection *c; int dir = 3; bool running = true; +double dropin; +double dropout; -int do_recv(struct utcp_connection *c, const void *data, size_t len) { +ssize_t do_recv(struct utcp_connection *c, const void *data, size_t len) { if(!data || !len) { if(errno) { fprintf(stderr, "Error: %s\n", strerror(errno)); @@ -26,7 +28,7 @@ int do_recv(struct utcp_connection *c, const void *data, size_t len) { dir &= ~2; fprintf(stderr, "Connection closed by peer\n"); } - return 0; + return -1; } return write(1, data, len); } @@ -36,13 +38,17 @@ void do_accept(struct utcp_connection *nc, uint16_t port) { c = nc; } -int do_send(struct utcp *utcp, const 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; @@ -50,6 +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, @@ -73,11 +82,14 @@ 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_connection_timeout(u, 10); + utcp_set_mtu(u, 1300); + utcp_set_user_timeout(u, 10); if(!server) c = utcp_connect(u, 1, do_recv, NULL); @@ -87,7 +99,7 @@ int main(int argc, char *argv[]) { {.fd = s, .events = POLLIN | POLLERR | POLLHUP}, }; - char buf[1024]; + char buf[102400]; int timeout = utcp_timeout(u); while(dir) { @@ -111,14 +123,15 @@ 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);