#include "../src/meshlink.h"
+/*
+ * To run this test case, direct a large file to strd
+ */
+
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)
void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
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) {
- fprintf(stderr, "Foo received from Bar:\n%s", (char*)data);
- fprintf(stderr, "==============================\n");
- fprintf(stderr, "%s", (char*)data );
- fprintf(stdout, "%s", (char*)data );
+ // 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.
- fprintf(stderr, "Bar received:\n%s", (char*)data);
- fprintf(stderr, "==============================\n");
- meshlink_channel_send(mesh, channel, data, len);
+ 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) {
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);
+ meshlink_set_log_cb(NULL, debug_level, log_cb);
+
+ meshlink_handle_t *mesh1 = meshlink_open("echo-fork_conf.1", "foo", "echo-fork", DEV_CLASS_BACKBONE);
if(!mesh1) {
fprintf(stderr, "Could not initialize configuration for foo\n");
return 1;
}
- meshlink_add_address(mesh1, "localhost");
-
- char *data = meshlink_export(mesh1);
- if(!data) {
- fprintf(stderr, "Foo could not export its configuration\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);
}
// 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");
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);
return 1;
}
- fprintf(stderr, "Foo sending:\n%s", content);
- fprintf(stderr, "==============================\n");
-
- if(meshlink_channel_send(mesh1, channel, content, contentSize) != contentSize)
- fprintf(stderr, "Could not send whole message\n");
-
- sleep(20);
-
- free(content);
+ do {
+ //fprintf(stderr, ":");
+ ssize_t len = read(0, buffer, BUF_SIZE);
+ if(len <= 0)
+ break;
+ char *p = buffer;
+ while(len > 0) {
+ ssize_t sent = meshlink_channel_send(mesh1, channel, p, len);
+ if(sent < 0) {
+ fprintf(stderr, "Sending message failed\n");
+ return 1;
+ }
+ 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.
}
-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("channels_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
+ meshlink_handle_t *mesh2 = meshlink_open("echo-fork_conf.2", "bar", "echo-fork", 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(20);
+ while(!foo_closed)
+ sleep(1);
// Clean up.
int main(int argc, char *argv[]) {
- int fda[2], fdb[2], result;
+ 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]);
+ return main1();
else
- return main2(fdb[0], fda[1]);
+ return main2();
}
projects / meshlink / blobdiff