X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=test%2Fecho-fork.c;h=e6aefaab8a4fdcdaa741eb8cce8ae07aa08ebc44;hb=refs%2Fheads%2Fencrypted-storage;hp=b1b2bfe3fe3905b8dd23e80831c3b6640b9df5f2;hpb=6db78ef7a4b7190b566a87f615a6e7e7ff2004e9;p=meshlink

diff --git a/test/echo-fork.c b/test/echo-fork.c
old mode 100755
new mode 100644
index b1b2bfe3..e6aefaab
--- a/test/echo-fork.c
+++ b/test/echo-fork.c
@@ -12,86 +12,95 @@
 
 volatile bool bar_reachable = false;
 volatile bool bar_responded = false;
+volatile bool foo_closed = false;
+int debug_level;
 
 void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
-	if(mesh)
+	if(mesh) {
 		fprintf(stderr, "(%s) ", mesh->name);
+	}
+
 	fprintf(stderr, "[%d] %s\n", level, text);
 }
 
 void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
-	if(!strcmp(node->name, "bar"))
+	(void)mesh;
+
+	if(!strcmp(node->name, "bar")) {
 		bar_reachable = reachable;
+	} else if(!strcmp(node->name, "foo"))
+		if(!reachable) {
+			foo_closed = true;
+		}
 }
 
 void foo_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
-	char tmp[len+1];
-	memset( tmp, 0, sizeof tmp );
-	snprintf( tmp, len+1, "%s", (char*)data );
-	fprintf(stderr, "Foo received from Bar:\n%s\n", tmp);
-	fprintf(stderr, "==============================\n");
-	fprintf(stdout, "%s", tmp );
+	(void)mesh;
+	(void)channel;
+	(void)data;
+	(void)len;
+
+	// One way only.
 }
 
 void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
-	// Echo the data back.
-	//char tmp[len+1];
-	//memset( tmp, 0, sizeof tmp );
-	//snprintf( tmp, len+1, "%s", (char*)data );
-	//fprintf(stderr, "Bar received:\n%s", tmp);
-	//fprintf(stderr, "==============================\n");
-	meshlink_channel_send(mesh, channel, data, len);
+	(void)mesh;
+	(void)channel;
+
+	if(!len) {
+		fprintf(stderr, "Connection closed by foo\n");
+		foo_closed = true;
+		return;
+	}
+
+	// Write data to stdout.
+	write(1, data, len);
 }
 
 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
+	(void)mesh;
+	(void)channel;
+	(void)port;
+	(void)data;
+	(void)len;
+
 	return false;
 }
 
 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
-	if(port != 7)
+	if(port != 7) {
 		return false;
+	}
+
 	meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb);
-	if(data)
+
+	if(data) {
 		bar_receive_cb(mesh, channel, data, len);
+	}
+
 	return true;
 }
 
 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
+	(void)len;
+
 	meshlink_set_channel_poll_cb(mesh, channel, NULL);
-	bar_responded=true;
+	bar_responded = true;
 }
 
-int main1(int rfd, int wfd) {
-	meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
+int main1(void) {
+	close(1);
 
-	meshlink_handle_t *mesh1 = meshlink_open("channels_conf.1", "foo", "channels", DEV_CLASS_BACKBONE);
-	if(!mesh1) {
-		fprintf(stderr, "Could not initialize configuration for foo\n");
-		return 1;
-	}
+	meshlink_set_log_cb(NULL, debug_level, log_cb);
 
-	meshlink_add_address(mesh1, "localhost");
+	meshlink_handle_t *mesh1 = meshlink_open("echo-fork_conf.1", "foo", "echo-fork", DEV_CLASS_BACKBONE);
 
-	char *data = meshlink_export(mesh1);
-	if(!data) {
-		fprintf(stderr, "Foo could not export its configuration\n");
+	if(!mesh1) {
+		fprintf(stderr, "Could not initialize configuration for foo\n");
 		return 1;
 	}
 
-	size_t len = strlen(data);
-	write(wfd, &len, sizeof len);
-	write(wfd, data, len);
-	free(data);
-
-	read(rfd, &len, sizeof len);
-	char indata[len + 1];
-	read(rfd, indata, len);
-	indata[len] = 0;
-
-	fprintf(stderr, "Foo exchanged data\n");
-
-	meshlink_import(mesh1, indata);
-
+	meshlink_set_log_cb(mesh1, debug_level, log_cb);
 	meshlink_set_channel_accept_cb(mesh1, reject_cb);
 	meshlink_set_node_status_cb(mesh1, status_cb);
 
@@ -102,8 +111,10 @@ int main1(int rfd, int wfd) {
 
 	for(int i = 0; i < 20; i++) {
 		sleep(1);
-		if(bar_reachable)
+
+		if(bar_reachable) {
 			break;
+		}
 	}
 
 	if(!bar_reachable) {
@@ -112,8 +123,9 @@ int main1(int rfd, int wfd) {
 	}
 
 	// Open a channel from foo to bar.
-	
+
 	meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
+
 	if(!bar) {
 		fprintf(stderr, "Foo could not find bar\n");
 		return 1;
@@ -123,27 +135,15 @@ int main1(int rfd, int wfd) {
 	meshlink_set_channel_poll_cb(mesh1, channel, poll_cb);
 
 	// read and buffer stdin
-	int BUF_SIZE = 1024;
+	int BUF_SIZE = 1024 * 1024;
 	char buffer[BUF_SIZE];
-	size_t contentSize = 1;
-	char *content = malloc( sizeof(char) * BUF_SIZE );
-	if (!content) {
-		fprintf(stderr, "Could not allocate buffer\n");
-	}
-
-	fprintf(stderr, "Foo reading from stdin...\n");
-	content[0] = '\0';
-	while(fgets(buffer,BUF_SIZE,stdin)) {
-		char *old = content;
-		contentSize += strlen(buffer);
-		content = realloc(content, contentSize);
-		strcat(content,buffer);
-	}
 
 	for(int i = 0; i < 5; i++) {
 		sleep(1);
-		if(bar_responded)
+
+		if(bar_responded) {
 			break;
+		}
 	}
 
 	if(!bar_responded) {
@@ -151,22 +151,37 @@ int main1(int rfd, int wfd) {
 		return 1;
 	}
 
-	//fprintf(stderr, "Foo sending:\n%s", content);
-	//fprintf(stderr, "==============================\n");
+	do {
+		//fprintf(stderr, ":");
+		ssize_t len = read(0, buffer, BUF_SIZE);
 
-	size_t total = 0;
-	while ( total != contentSize )
-	{
-		ssize_t tmp = meshlink_channel_send(mesh1, channel, content + total, contentSize - total);
-		if (tmp >= 0)
-			total += tmp;
-	}
+		if(len <= 0) {
+			break;
+		}
+
+		char *p = buffer;
+
+		while(len > 0) {
+			ssize_t sent = meshlink_channel_send(mesh1, channel, p, len);
 
-	sleep(60);
+			if(sent < 0) {
+				fprintf(stderr, "Sending message failed\n");
+				return 1;
+			}
 
-	free(content);
+			if(!sent) {
+				usleep(100000);
+			} else {
+				len -= sent;
+				p += sent;
+			}
+		}
+	} while(true);
+
+	fprintf(stderr, "Foo finished sending\n");
 
 	meshlink_channel_close(mesh1, channel);
+	sleep(1);
 
 	// Clean up.
 
@@ -176,45 +191,32 @@ int main1(int rfd, int wfd) {
 }
 
 
-int main2(int rfd, int wfd) {
+int main2(void) {
+	close(0);
+
 	sleep(1);
 
-	meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
+	meshlink_set_log_cb(NULL, debug_level, log_cb);
+
+	meshlink_handle_t *mesh2 = meshlink_open("echo-fork_conf.2", "bar", "echo-fork", DEV_CLASS_BACKBONE);
 
-	meshlink_handle_t *mesh2 = meshlink_open("channels_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
 	if(!mesh2) {
 		fprintf(stderr, "Could not initialize configuration for bar\n");
 		return 1;
 	}
 
-	char *data = meshlink_export(mesh2);
-	if(!data) {
-		fprintf(stderr, "Bar could not export its configuration\n");
-		return 1;
-	}
-
-	size_t len = strlen(data);
-	if(write(wfd, &len, sizeof len) <= 0) abort();
-	if(write(wfd, data, len) <= 0) abort();
-	free(data);
-
-	read(rfd, &len, sizeof len);
-	char indata[len + 1];
-	read(rfd, indata, len);
-	indata[len] = 0;
-
-	fprintf(stderr, "Bar exchanged data\n");
-
-	meshlink_import(mesh2, indata);
-
+	meshlink_set_log_cb(mesh2, debug_level, log_cb);
 	meshlink_set_channel_accept_cb(mesh2, accept_cb);
+	meshlink_set_node_status_cb(mesh2, status_cb);
 
 	if(!meshlink_start(mesh2)) {
 		fprintf(stderr, "Bar could not start\n");
 		return 1;
 	}
 
-	sleep(60);
+	while(!foo_closed) {
+		sleep(1);
+	}
 
 	// Clean up.
 
@@ -224,14 +226,22 @@ int main2(int rfd, int wfd) {
 }
 
 
-int main(int argc, char *argv[]) {
-	int fda[2], fdb[2], result;
+int main() {
+	debug_level = getenv("DEBUG") ? MESHLINK_DEBUG : MESHLINK_ERROR;
+
+	// Initialize and exchange configuration.
 
-	pipe2(fda, 0);
-	pipe2(fdb, 0);
+	meshlink_handle_t *foo = meshlink_open("echo-fork_conf.1", "foo", "echo-fork", DEV_CLASS_BACKBONE);
+	meshlink_handle_t *bar = meshlink_open("echo-fork_conf.2", "bar", "echo-fork", DEV_CLASS_BACKBONE);
+	meshlink_add_address(foo, "localhost");
+	meshlink_import(bar, meshlink_export(foo));
+	meshlink_import(foo, meshlink_export(bar));
+	meshlink_close(foo);
+	meshlink_close(bar);
 
-	if(fork())
-		return main1(fda[0], fdb[1]);
-	else
-		return main2(fdb[0], fda[1]);
+	if(fork()) {
+		return main1();
+	} else {
+		return main2();
+	}
 }