#include <strings.h>
#include <sys/types.h>
#include <sys/stat.h>
+
+#if !defined(_WIN32) && !defined(__APPLE__)
#include <linux/limits.h>
+#elif defined(__APPLE__)
+#include <sys/syslimits.h>
+#endif
#include "../src/meshlink.h"
#include "../src/devtools.h"
static int n = 10;
static meshlink_handle_t **mesh;
+static char* namesprefix="machine1";
+static int nodeindex = 0;
static meshlink_node_t **nodes;
static size_t nnodes;
}
//Test mesh sending data
-static void testmesh () {
+static void testmesh() {
for(int nindex = 0; nindex < n; nindex++) {
- nodes = meshlink_get_all_nodes(mesh[nindex], nodes, &nnodes);
- if(!nodes) {
- fprintf(stderr, "Could not get list of nodes: %s\n", meshlink_strerror(meshlink_errno));
- } else {
- printf("%zu known nodes:\n", nnodes);
- for(int i = 0; i < nnodes; i++) {
- //printf(" %s\n", nodes[i]->name);
- if(!meshlink_send(mesh[nindex], nodes[i], "magic", strlen("magic") + 1)) {
- fprintf(stderr, "Could not send message to '%s': %s\n", nodes[i]->name, meshlink_strerror(meshlink_errno));
- }
- }
-
+ nodes = meshlink_get_all_nodes(mesh[nindex], nodes, &nnodes);
+ if(!nodes)
+ fprintf(stderr, "Could not get list of nodes: %s\n", meshlink_strerror(meshlink_errno));
+ else {
+ printf("%zu known nodes:\n", nnodes);
+ for(int i = 0; i < nnodes; i++) {
+ //printf(" %s\n", nodes[i]->name);
+ if(!meshlink_send(mesh[nindex], nodes[i], "magic", strlen("magic") + 1))
+ fprintf(stderr, "Could not send message to '%s': %s\n", nodes[i]->name, meshlink_strerror(meshlink_errno));
}
+ }
+
}
}
// Make all nodes know about each other by importing each others public keys and addresses.
}
}
-static bool exportmeshgraph(const char* path)
-{
+static bool exportmeshgraph(const char* path) {
struct stat ps;
int psr = stat(path, &ps);
- if(psr == 0 || errno != ENOENT)
- {
+ if(psr == 0 || errno != ENOENT) {
if(psr == -1)
- { perror("stat"); }
+ perror("stat");
else
- { fprintf(stderr, "%s exists already\n", path); }
+ fprintf(stderr, "%s exists already\n", path);
return false;
}
FILE* stream = fopen(path, "w");
- if(!stream)
- {
+ if(!stream) {
perror("stream");
return false;
}
- if(!devtool_export_json_all_edges_state(mesh[0], stream))
- {
+ if(!devtool_export_json_all_edges_state(mesh[0], stream)) {
fclose(stream);
fprintf(stderr, "could not export graph\n");
return false;
}
-void exportmeshgraph_timer(int signum)
-{
+void exportmeshgraph_timer(int signum) {
struct timeval ts;
gettimeofday(&ts, NULL);
char name[1024];
- snprintf(name, sizeof(name), "graph_%ld_%ld.json", ts.tv_sec, ts.tv_usec/1000);
+ snprintf(name, sizeof(name), "%sgraph_%ld_%03ld.json", namesprefix,ts.tv_sec, ts.tv_usec/1000);
exportmeshgraph(name);
}
+#ifndef _WIN32
static bool exportmeshgraph_started = false;
-static bool exportmeshgraph_end(const char* none)
-{
+static bool exportmeshgraph_end(const char* none) {
if(!exportmeshgraph_started)
- { return false; }
+ return false;
struct itimerval zero_timer = { 0 };
- setitimer (ITIMER_REAL, &zero_timer, NULL);
+ setitimer(ITIMER_REAL, &zero_timer, NULL);
exportmeshgraph_started = false;
return true;
}
-static bool exportmeshgraph_begin(const char* timeout_str)
-{
+static bool exportmeshgraph_begin(const char* timeout_str) {
if(!timeout_str)
return false;
- if(exportmeshgraph_started)
- {
+ if(exportmeshgraph_started) {
if(!exportmeshgraph_end(NULL))
return false;
}
int timeout = atoi(timeout_str);
if(timeout < 100)
- { timeout = 100; }
+ timeout = 100;
int timeout_sec = timeout / 1000;
int timeout_msec = timeout % 1000;
/* Install timer_handler as the signal handler for SIGALRM. */
signal(SIGALRM, exportmeshgraph_timer);
- /* Configure the timer to expire after X msec... */
+ /* Configure the timer to expire immediately... */
struct itimerval timer;
- timer.it_value.tv_sec = timeout_sec;
- timer.it_value.tv_usec = timeout_msec * 1000;
+ timer.it_value.tv_sec = 0;
+ timer.it_value.tv_usec = 1000;
/* ... and every X msec after that. */
timer.it_interval.tv_sec = timeout_sec;
timer.it_interval.tv_usec = timeout_msec * 1000;
/* Start a real timer. */
- setitimer (ITIMER_REAL, &timer, NULL);
+ setitimer(ITIMER_REAL, &timer, NULL);
exportmeshgraph_started = true;
return true;
}
+#else
+static bool exportmeshgraph_end(const char* none) {
+ return false;
+}
+
+static bool exportmeshgraph_begin(const char* timeout_str) {
+ return false;
+}
+#endif
static void parse_command(char *buf) {
char *arg = strchr(buf, ' ');
return;
}
- invitation = meshlink_invite(mesh[0], arg);
+ invitation = meshlink_invite(mesh[nodeindex], arg);
if(!invitation) {
fprintf(stderr, "Could not invite '%s': %s\n", arg, meshlink_strerror(meshlink_errno));
return;
fprintf(stderr, "/join requires an argument!\n");
return;
}
- meshlink_stop(mesh[0]);
- if(!meshlink_join(mesh[0], arg))
+ meshlink_stop(mesh[nodeindex]);
+ if(!meshlink_join(mesh[nodeindex], arg))
fprintf(stderr, "Could not join using invitation: %s\n", meshlink_strerror(meshlink_errno));
- else {
+ else
fprintf(stderr, "Invitation accepted!\n");
- meshlink_start(mesh[0]);
+ if(!meshlink_start(mesh[nodeindex])) {
+ fprintf(stderr, "Could not restart MeshLink: %s\n", meshlink_strerror(meshlink_errno));
+ exit(1);
}
} else if(!strcasecmp(buf, "kick")) {
if(!arg) {
return;
}
- meshlink_node_t *node = meshlink_get_node(mesh[0], arg);
+ meshlink_node_t *node = meshlink_get_node(mesh[nodeindex], arg);
if(!node) {
fprintf(stderr, "Unknown node '%s'\n", arg);
return;
}
- meshlink_blacklist(mesh[0], node);
+ meshlink_blacklist(mesh[nodeindex], node);
printf("Node '%s' blacklisted.\n", arg);
} else if(!strcasecmp(buf, "who")) {
if(!arg) {
- nodes = meshlink_get_all_nodes(mesh[0], nodes, &nnodes);
- if(!nodes) {
+ nodes = meshlink_get_all_nodes(mesh[nodeindex], nodes, &nnodes);
+ if(!nodes)
fprintf(stderr, "Could not get list of nodes: %s\n", meshlink_strerror(meshlink_errno));
- } else {
+ else {
printf("%zu known nodes:", nnodes);
for(int i = 0; i < nnodes; i++)
printf(" %s", nodes[i]->name);
printf("\n");
}
} else {
- meshlink_node_t *node = meshlink_get_node(mesh[0], arg);
- if(!node) {
+ meshlink_node_t *node = meshlink_get_node(mesh[nodeindex], arg);
+ if(!node)
fprintf(stderr, "Unknown node '%s'\n", arg);
- } else {
- printf("Node %s found, pmtu %zd\n", arg, meshlink_get_pmtu(mesh[0], node));
- }
+ else
+ printf("Node %s found, pmtu %zd\n", arg, meshlink_get_pmtu(mesh[nodeindex], node));
}
- } else if(!strcasecmp(buf, "link")) {
+ } else if(!strcasecmp(buf, "link"))
linkmesh();
- } else if(!strcasecmp(buf, "eg")) {
+ else if(!strcasecmp(buf, "eg"))
exportmeshgraph(arg);
- } else if(!strcasecmp(buf, "egb")) {
+ else if(!strcasecmp(buf, "egb"))
exportmeshgraph_begin(arg);
- } else if(!strcasecmp(buf, "ege")) {
+ else if(!strcasecmp(buf, "ege"))
exportmeshgraph_end(NULL);
- } else if(!strcasecmp(buf, "test")) {
+ else if(!strcasecmp(buf, "test"))
testmesh();
- } else if(!strcasecmp(buf, "quit")) {
+ else if(!strcasecmp(buf, "select")) {
+ if(!arg) {
+ fprintf(stderr, "/select requires an argument!\n");
+ return;
+ }
+ nodeindex = atoi(arg);
+ printf("Index is now %d\n",nodeindex);
+ } else if(!strcasecmp(buf, "stop"))
+ meshlink_stop(mesh[nodeindex]);
+ else if(!strcasecmp(buf, "quit")) {
printf("Bye!\n");
fclose(stdin);
} else if(!strcasecmp(buf, "help")) {
printf(
- "<name>: <message> Send a message to the given node.\n"
- " Subsequent messages don't need the <name>: prefix.\n"
- "/invite <name> Create an invitation for a new node.\n"
- "/join <invitation> Join an existing mesh using an invitation.\n"
- "/kick <name> Blacklist the given node.\n"
- "/who [<name>] List all nodes or show information about the given node.\n"
- "/link Link all nodes together.\n"
- "/eg <path> Export graph as json file.\n"
- "/test Test functionality sending some data to all nodes\n"
- "/quit Exit this program.\n"
- );
- } else {
+ "<name>: <message> Send a message to the given node.\n"
+ " Subsequent messages don't need the <name>: prefix.\n"
+ "/invite <name> Create an invitation for a new node.\n"
+ "/join <invitation> Join an existing mesh using an invitation.\n"
+ "/kick <name> Blacklist the given node.\n"
+ "/who [<name>] List all nodes or show information about the given node.\n"
+ "/link Link all nodes together.\n"
+ "/eg <path> Export graph as json file.\n"
+ "/test Test functionality sending some data to all nodes\n"
+ "/select <number> Select the active node running the user commands\n"
+ "/stop Call meshlink_stop, use /select first to select which node to stop\n"
+ "/quit Exit this program.\n"
+ );
+ } else
fprintf(stderr, "Unknown command '/%s'\n", buf);
- }
}
static void parse_input(char *buf) {
if(*msg == ' ')
msg++;
- destination = meshlink_get_node(mesh[0], buf);
+ destination = meshlink_get_node(mesh[nodeindex], buf);
if(!destination) {
fprintf(stderr, "Unknown node '%s'\n", buf);
return;
return;
}
- if(!meshlink_send(mesh[0], destination, msg, strlen(msg) + 1)) {
+ if(!meshlink_send(mesh[nodeindex], destination, msg, strlen(msg) + 1)) {
fprintf(stderr, "Could not send message to '%s': %s\n", destination->name, meshlink_strerror(meshlink_errno));
return;
}
int main(int argc, char *argv[]) {
const char *basebase = ".manynodes";
- const char *namesprefix = "machine1";
+ const char *graphexporttimeout = NULL;
char buf[1024];
if(argc > 1)
n = atoi(argv[1]);
if(n < 1) {
- fprintf(stderr, "Usage: %s [number of local nodes] [confbase] [prefixnodenames]\n", argv[0]);
+ fprintf(stderr, "Usage: %s [number of local nodes] [confbase] [prefixnodenames] [graphexport timeout]\n", argv[0]);
return 1;
}
if(argc > 3)
namesprefix = argv[3];
+ if(argc > 4)
+ graphexporttimeout = argv[4];
+
mesh = calloc(n, sizeof *mesh);
- meshlink_set_log_cb(NULL, MESHLINK_WARNING, log_message);
+ meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_message);
+#ifndef _WIN32
mkdir(basebase, 0750);
+#else
+ mkdir(basebase);
+#endif
char filename[PATH_MAX];
char nodename[100];
snprintf(nodename, sizeof nodename, "%snode%d", namesprefix,i);
snprintf(filename, sizeof filename, "%s/%s", basebase, nodename);
bool itsnew = access(filename, R_OK);
- mesh[i] = meshlink_open(filename, nodename, "manynodes", i%_DEV_CLASS_MAX);
- meshlink_set_log_cb(mesh[i], MESHLINK_WARNING, log_message);
- if(itsnew)
- meshlink_add_address(mesh[i], "localhost");
+ if(n/(i+1) > n/4)
+ mesh[i] = meshlink_open(filename, nodename, "manynodes", DEV_CLASS_BACKBONE);
+ else
+ mesh[i] = meshlink_open(filename, nodename, "manynodes", DEV_CLASS_PORTABLE);
+ meshlink_set_log_cb(mesh[i], MESHLINK_DEBUG, log_message);
if(!mesh[i]) {
fprintf(stderr, "errno is: %d\n", meshlink_errno);
fprintf(stderr, "Could not open %s: %s\n", filename, meshlink_strerror(meshlink_errno));
return 1;
}
+ if(graphexporttimeout)
+ exportmeshgraph_begin(graphexporttimeout);
+
printf("%d nodes started.\nType /help for a list of commands.\n", started);
// handle input
while(fgets(buf, sizeof buf, stdin))
parse_input(buf);
+ exportmeshgraph_end(NULL);
+
printf("Nodes stopping.\n");
for(int i = 0; i < n; i++)
projects / meshlink / blobdiff