7 #include "../src/meshlink.h"
10 * To run this test case, direct a large file to strd
13 volatile bool bar_reachable = false;
14 volatile bool bar_responded = false;
16 void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
18 fprintf(stderr, "(%s) ", mesh->name);
19 fprintf(stderr, "[%d] %s\n", level, text);
22 void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
23 if(!strcmp(node->name, "bar"))
24 bar_reachable = reachable;
27 void foo_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
29 memset( tmp, 0, sizeof tmp );
30 snprintf( tmp, len+1, "%s", (char*)data );
31 fprintf(stderr, "Foo received from Bar:\n%s\n", tmp);
32 fprintf(stderr, "==============================\n");
33 fprintf(stdout, "%s", tmp );
36 void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
37 // Echo the data back.
39 //memset( tmp, 0, sizeof tmp );
40 //snprintf( tmp, len+1, "%s", (char*)data );
41 //fprintf(stderr, "Bar received:\n%s", tmp);
42 //fprintf(stderr, "==============================\n");
43 meshlink_channel_send(mesh, channel, data, len);
46 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
50 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
53 meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb);
55 bar_receive_cb(mesh, channel, data, len);
59 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
60 meshlink_set_channel_poll_cb(mesh, channel, NULL);
64 int main1(int rfd, int wfd) {
65 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
67 meshlink_handle_t *mesh1 = meshlink_open("channels_conf.1", "foo", "channels", DEV_CLASS_BACKBONE);
69 fprintf(stderr, "Could not initialize configuration for foo\n");
73 meshlink_add_address(mesh1, "localhost");
75 char *data = meshlink_export(mesh1);
77 fprintf(stderr, "Foo could not export its configuration\n");
81 size_t len = strlen(data);
82 write(wfd, &len, sizeof len);
83 write(wfd, data, len);
86 read(rfd, &len, sizeof len);
88 read(rfd, indata, len);
91 fprintf(stderr, "Foo exchanged data\n");
93 meshlink_import(mesh1, indata);
95 meshlink_set_channel_accept_cb(mesh1, reject_cb);
96 meshlink_set_node_status_cb(mesh1, status_cb);
98 if(!meshlink_start(mesh1)) {
99 fprintf(stderr, "Foo could not start\n");
103 for(int i = 0; i < 20; i++) {
110 fprintf(stderr, "Bar not reachable for foo after 20 seconds\n");
114 // Open a channel from foo to bar.
116 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
118 fprintf(stderr, "Foo could not find bar\n");
122 meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, foo_receive_cb, NULL, 0);
123 meshlink_set_channel_poll_cb(mesh1, channel, poll_cb);
125 // read and buffer stdin
127 char buffer[BUF_SIZE];
128 size_t contentSize = 1;
129 char *content = malloc( sizeof(char) * BUF_SIZE );
131 fprintf(stderr, "Could not allocate buffer\n");
134 fprintf(stderr, "Foo reading from stdin...\n");
136 while(fgets(buffer,BUF_SIZE,stdin)) {
138 contentSize += strlen(buffer);
139 content = realloc(content, contentSize);
140 strcat(content,buffer);
143 for(int i = 0; i < 5; i++) {
150 fprintf(stderr, "Bar did not respond to foo's channel message\n");
154 //fprintf(stderr, "Foo sending:\n%s", content);
155 //fprintf(stderr, "==============================\n");
158 while ( total != contentSize )
160 ssize_t tmp = meshlink_channel_send(mesh1, channel, content + total, contentSize - total);
169 meshlink_channel_close(mesh1, channel);
173 meshlink_close(mesh1);
179 int main2(int rfd, int wfd) {
182 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
184 meshlink_handle_t *mesh2 = meshlink_open("channels_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
186 fprintf(stderr, "Could not initialize configuration for bar\n");
190 char *data = meshlink_export(mesh2);
192 fprintf(stderr, "Bar could not export its configuration\n");
196 size_t len = strlen(data);
197 if(write(wfd, &len, sizeof len) <= 0) abort();
198 if(write(wfd, data, len) <= 0) abort();
201 read(rfd, &len, sizeof len);
202 char indata[len + 1];
203 read(rfd, indata, len);
206 fprintf(stderr, "Bar exchanged data\n");
208 meshlink_import(mesh2, indata);
210 meshlink_set_channel_accept_cb(mesh2, accept_cb);
212 if(!meshlink_start(mesh2)) {
213 fprintf(stderr, "Bar could not start\n");
221 meshlink_close(mesh2);
227 int main(int argc, char *argv[]) {
228 int fda[2], fdb[2], result;
234 return main1(fda[0], fdb[1]);
236 return main2(fdb[0], fda[1]);