libuv 1.42.0.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3650 ed5197a5-7fde-0310-b194-c3ffbd925b24

deps/libuv/test/test-ping-pong.c

@@ -24,6 +24,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h> /* strlen */
 
 static int completed_pingers = 0;
 
@@ -33,23 +34,21 @@ static int completed_pingers = 0;
 #define NUM_PINGS 1000
 #endif
 
-/* 64 bytes is enough for a pinger */
-#define BUFSIZE 10240
-
 static char PING[] = "PING\n";
+static char PONG[] = "PONG\n";
 static int pinger_on_connect_count;
 
 
 typedef struct {
   int vectored_writes;
-  int pongs;
-  int state;
+  unsigned pongs;
+  unsigned state;
   union {
     uv_tcp_t tcp;
     uv_pipe_t pipe;
   } stream;
   uv_connect_t connect_req;
-  char read_buffer[BUFSIZE];
+  char* pong;
 } pinger_t;
 
 
@@ -59,28 +58,44 @@ static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
 }
 
 
+static void ponger_on_close(uv_handle_t* handle) {
+  if (handle->data)
+    free(handle->data);
+  else
+    free(handle);
+}
+
+
 static void pinger_on_close(uv_handle_t* handle) {
-  pinger_t* pinger = (pinger_t*)handle->data;
+  pinger_t* pinger = (pinger_t*) handle->data;
 
-  ASSERT(NUM_PINGS == pinger->pongs);
+  ASSERT_EQ(NUM_PINGS, pinger->pongs);
 
-  free(pinger);
+  if (handle == (uv_handle_t*) &pinger->stream.tcp) {
+    free(pinger); /* also frees handle */
+  } else {
+    uv_close((uv_handle_t*) &pinger->stream.tcp, ponger_on_close);
+    free(handle);
+  }
 
   completed_pingers++;
 }
 
 
 static void pinger_after_write(uv_write_t* req, int status) {
-  ASSERT(status == 0);
+  ASSERT_EQ(status, 0);
   free(req);
 }
 
 
 static void pinger_write_ping(pinger_t* pinger) {
+  uv_stream_t* stream;
   uv_write_t* req;
   uv_buf_t bufs[sizeof PING - 1];
   int i, nbufs;
 
+  stream = (uv_stream_t*) &pinger->stream.tcp;
+
   if (!pinger->vectored_writes) {
     /* Write a single buffer. */
     nbufs = 1;
@@ -94,13 +109,8 @@ static void pinger_write_ping(pinger_t* pinger) {
   }
 
   req = malloc(sizeof(*req));
-  if (uv_write(req,
-               (uv_stream_t*) &pinger->stream.tcp,
-               bufs,
-               nbufs,
-               pinger_after_write)) {
-    FATAL("uv_write failed");
-  }
+  ASSERT_NOT_NULL(req);
+  ASSERT_EQ(0, uv_write(req, stream, bufs, nbufs, pinger_after_write));
 
   puts("PING");
 }
@@ -115,20 +125,20 @@ static void pinger_read_cb(uv_stream_t* stream,
   pinger = (pinger_t*) stream->data;
 
   if (nread < 0) {
-    ASSERT(nread == UV_EOF);
+    ASSERT_EQ(nread, UV_EOF);
 
     puts("got EOF");
     free(buf->base);
 
-    uv_close((uv_handle_t*)(&pinger->stream.tcp), pinger_on_close);
+    uv_close((uv_handle_t*) stream, pinger_on_close);
 
     return;
   }
 
-  /* Now we count the pings */
+  /* Now we count the pongs */
   for (i = 0; i < nread; i++) {
-    ASSERT(buf->base[i] == PING[pinger->state]);
-    pinger->state = (pinger->state + 1) % (sizeof(PING) - 1);
+    ASSERT_EQ(buf->base[i], pinger->pong[pinger->state]);
+    pinger->state = (pinger->state + 1) % strlen(pinger->pong);
 
     if (pinger->state != 0)
       continue;
@@ -139,7 +149,7 @@ static void pinger_read_cb(uv_stream_t* stream,
     if (pinger->pongs < NUM_PINGS) {
       pinger_write_ping(pinger);
     } else {
-      uv_close((uv_handle_t*)(&pinger->stream.tcp), pinger_on_close);
+      uv_close((uv_handle_t*) stream, pinger_on_close);
       break;
     }
   }
@@ -148,20 +158,53 @@ static void pinger_read_cb(uv_stream_t* stream,
 }
 
 
+static void ponger_read_cb(uv_stream_t* stream,
+                           ssize_t nread,
+                           const uv_buf_t* buf) {
+  uv_buf_t writebuf;
+  uv_write_t* req;
+  int i;
+
+  if (nread < 0) {
+    ASSERT_EQ(nread, UV_EOF);
+
+    puts("got EOF");
+    free(buf->base);
+
+    uv_close((uv_handle_t*) stream, ponger_on_close);
+
+    return;
+  }
+
+  /* Echo back */
+  for (i = 0; i < nread; i++) {
+    if (buf->base[i] == 'I')
+      buf->base[i] = 'O';
+  }
+
+  writebuf = uv_buf_init(buf->base, nread);
+  req = malloc(sizeof(*req));
+  ASSERT_NOT_NULL(req);
+  ASSERT_EQ(0, uv_write(req, stream, &writebuf, 1, pinger_after_write));
+}
+
+
 static void pinger_on_connect(uv_connect_t* req, int status) {
-  pinger_t* pinger = (pinger_t*)req->handle->data;
+  pinger_t* pinger = (pinger_t*) req->handle->data;
 
   pinger_on_connect_count++;
 
-  ASSERT(status == 0);
+  ASSERT_EQ(status, 0);
 
-  ASSERT(1 == uv_is_readable(req->handle));
-  ASSERT(1 == uv_is_writable(req->handle));
-  ASSERT(0 == uv_is_closing((uv_handle_t *) req->handle));
+  ASSERT_EQ(1, uv_is_readable(req->handle));
+  ASSERT_EQ(1, uv_is_writable(req->handle));
+  ASSERT_EQ(0, uv_is_closing((uv_handle_t *) req->handle));
 
   pinger_write_ping(pinger);
 
-  uv_read_start((uv_stream_t*)(req->handle), alloc_cb, pinger_read_cb);
+  ASSERT_EQ(0, uv_read_start((uv_stream_t*) req->handle,
+                             alloc_cb,
+                             pinger_read_cb));
 }
 
 
@@ -172,17 +215,18 @@ static void tcp_pinger_v6_new(int vectored_writes) {
   pinger_t* pinger;
 
 
-  ASSERT(0 == uv_ip6_addr("::1", TEST_PORT, &server_addr));
+  ASSERT_EQ(0, uv_ip6_addr("::1", TEST_PORT, &server_addr));
   pinger = malloc(sizeof(*pinger));
-  ASSERT(pinger != NULL);
+  ASSERT_NOT_NULL(pinger);
   pinger->vectored_writes = vectored_writes;
   pinger->state = 0;
   pinger->pongs = 0;
+  pinger->pong = PING;
 
   /* Try to connect to the server and do NUM_PINGS ping-pongs. */
   r = uv_tcp_init(uv_default_loop(), &pinger->stream.tcp);
   pinger->stream.tcp.data = pinger;
-  ASSERT(!r);
+  ASSERT_EQ(0, r);
 
   /* We are never doing multiple reads/connects at a time anyway, so these
    * handles can be pre-initialized. */
@@ -190,10 +234,10 @@ static void tcp_pinger_v6_new(int vectored_writes) {
                      &pinger->stream.tcp,
                      (const struct sockaddr*) &server_addr,
                      pinger_on_connect);
-  ASSERT(!r);
+  ASSERT_EQ(0, r);
 
   /* Synchronous connect callbacks are not allowed. */
-  ASSERT(pinger_on_connect_count == 0);
+  ASSERT_EQ(pinger_on_connect_count, 0);
 }
 
 
@@ -202,17 +246,18 @@ static void tcp_pinger_new(int vectored_writes) {
   struct sockaddr_in server_addr;
   pinger_t* pinger;
 
-  ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr));
+  ASSERT_EQ(0, uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr));
   pinger = malloc(sizeof(*pinger));
-  ASSERT(pinger != NULL);
+  ASSERT_NOT_NULL(pinger);
   pinger->vectored_writes = vectored_writes;
   pinger->state = 0;
   pinger->pongs = 0;
+  pinger->pong = PING;
 
   /* Try to connect to the server and do NUM_PINGS ping-pongs. */
   r = uv_tcp_init(uv_default_loop(), &pinger->stream.tcp);
   pinger->stream.tcp.data = pinger;
-  ASSERT(!r);
+  ASSERT_EQ(0, r);
 
   /* We are never doing multiple reads/connects at a time anyway, so these
    * handles can be pre-initialized. */
@@ -220,10 +265,10 @@ static void tcp_pinger_new(int vectored_writes) {
                      &pinger->stream.tcp,
                      (const struct sockaddr*) &server_addr,
                      pinger_on_connect);
-  ASSERT(!r);
+  ASSERT_EQ(0, r);
 
   /* Synchronous connect callbacks are not allowed. */
-  ASSERT(pinger_on_connect_count == 0);
+  ASSERT_EQ(pinger_on_connect_count, 0);
 }
 
 
@@ -232,15 +277,16 @@ static void pipe_pinger_new(int vectored_writes) {
   pinger_t* pinger;
 
   pinger = malloc(sizeof(*pinger));
-  ASSERT(pinger != NULL);
+  ASSERT_NOT_NULL(pinger);
   pinger->vectored_writes = vectored_writes;
   pinger->state = 0;
   pinger->pongs = 0;
+  pinger->pong = PING;
 
   /* Try to connect to the server and do NUM_PINGS ping-pongs. */
   r = uv_pipe_init(uv_default_loop(), &pinger->stream.pipe, 0);
   pinger->stream.pipe.data = pinger;
-  ASSERT(!r);
+  ASSERT_EQ(0, r);
 
   /* We are never doing multiple reads/connects at a time anyway, so these
    * handles can be pre-initialized. */
@@ -248,13 +294,86 @@ static void pipe_pinger_new(int vectored_writes) {
       pinger_on_connect);
 
   /* Synchronous connect callbacks are not allowed. */
-  ASSERT(pinger_on_connect_count == 0);
+  ASSERT_EQ(pinger_on_connect_count, 0);
 }
 
 
+static void socketpair_pinger_new(int vectored_writes) {
+  pinger_t* pinger;
+  uv_os_sock_t fds[2];
+  uv_tcp_t* ponger;
+
+  pinger = malloc(sizeof(*pinger));
+  ASSERT_NOT_NULL(pinger);
+  pinger->vectored_writes = vectored_writes;
+  pinger->state = 0;
+  pinger->pongs = 0;
+  pinger->pong = PONG;
+
+  /* Try to make a socketpair and do NUM_PINGS ping-pongs. */
+  (void)uv_default_loop(); /* ensure WSAStartup has been performed */
+  ASSERT_EQ(0, uv_socketpair(SOCK_STREAM, 0, fds, UV_NONBLOCK_PIPE, UV_NONBLOCK_PIPE));
+#ifndef _WIN32
+  /* On Windows, this is actually a UV_TCP, but libuv doesn't detect that. */
+  ASSERT_EQ(uv_guess_handle((uv_file) fds[0]), UV_NAMED_PIPE);
+  ASSERT_EQ(uv_guess_handle((uv_file) fds[1]), UV_NAMED_PIPE);
+#endif
+
+  ASSERT_EQ(0, uv_tcp_init(uv_default_loop(), &pinger->stream.tcp));
+  pinger->stream.pipe.data = pinger;
+  ASSERT_EQ(0, uv_tcp_open(&pinger->stream.tcp, fds[1]));
+
+  ponger = malloc(sizeof(*ponger));
+  ASSERT_NOT_NULL(ponger);
+  ponger->data = NULL;
+  ASSERT_EQ(0, uv_tcp_init(uv_default_loop(), ponger));
+  ASSERT_EQ(0, uv_tcp_open(ponger, fds[0]));
+
+  pinger_write_ping(pinger);
+
+  ASSERT_EQ(0, uv_read_start((uv_stream_t*) &pinger->stream.tcp,
+                             alloc_cb,
+                             pinger_read_cb));
+  ASSERT_EQ(0, uv_read_start((uv_stream_t*) ponger,
+                             alloc_cb,
+                             ponger_read_cb));
+}
+
+
+static void pipe2_pinger_new(int vectored_writes) {
+  uv_file fds[2];
+  pinger_t* pinger;
+  uv_pipe_t* ponger;
+
+  /* Try to make a pipe and do NUM_PINGS pings. */
+  ASSERT_EQ(0, uv_pipe(fds, UV_NONBLOCK_PIPE, UV_NONBLOCK_PIPE));
+  ASSERT_EQ(uv_guess_handle(fds[0]), UV_NAMED_PIPE);
+  ASSERT_EQ(uv_guess_handle(fds[1]), UV_NAMED_PIPE);
+
+  ponger = malloc(sizeof(*ponger));
+  ASSERT_NOT_NULL(ponger);
+  ASSERT_EQ(0, uv_pipe_init(uv_default_loop(), ponger, 0));
+  ASSERT_EQ(0, uv_pipe_open(ponger, fds[0]));
+
+  pinger = malloc(sizeof(*pinger));
+  ASSERT_NOT_NULL(pinger);
+  pinger->vectored_writes = vectored_writes;
+  pinger->state = 0;
+  pinger->pongs = 0;
+  pinger->pong = PING;
+  ASSERT_EQ(0, uv_pipe_init(uv_default_loop(), &pinger->stream.pipe, 0));
+  ASSERT_EQ(0, uv_pipe_open(&pinger->stream.pipe, fds[1]));
+  pinger->stream.pipe.data = pinger; /* record for close_cb */
+  ponger->data = pinger; /* record for read_cb */
+
+  pinger_write_ping(pinger);
+
+  ASSERT_EQ(0, uv_read_start((uv_stream_t*) ponger, alloc_cb, pinger_read_cb));
+}
+
 static int run_ping_pong_test(void) {
   uv_run(uv_default_loop(), UV_RUN_DEFAULT);
-  ASSERT(completed_pingers == 1);
+  ASSERT_EQ(completed_pingers, 1);
 
   MAKE_VALGRIND_HAPPY();
   return 0;
@@ -263,12 +382,20 @@ static int run_ping_pong_test(void) {
 
 TEST_IMPL(tcp_ping_pong) {
   tcp_pinger_new(0);
+  run_ping_pong_test();
+
+  completed_pingers = 0;
+  socketpair_pinger_new(0);
   return run_ping_pong_test();
 }
 
 
 TEST_IMPL(tcp_ping_pong_vec) {
   tcp_pinger_new(1);
+  run_ping_pong_test();
+
+  completed_pingers = 0;
+  socketpair_pinger_new(1);
   return run_ping_pong_test();
 }
 
@@ -291,11 +418,19 @@ TEST_IMPL(tcp6_ping_pong_vec) {
 
 TEST_IMPL(pipe_ping_pong) {
   pipe_pinger_new(0);
+  run_ping_pong_test();
+
+  completed_pingers = 0;
+  pipe2_pinger_new(0);
   return run_ping_pong_test();
 }
 
 
 TEST_IMPL(pipe_ping_pong_vec) {
   pipe_pinger_new(1);
+  run_ping_pong_test();
+
+  completed_pingers = 0;
+  pipe2_pinger_new(1);
   return run_ping_pong_test();
 }