X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fdevtools.c;h=5a49e3a860296a66ad049bd7d238946424ef1b2d;hp=c1578e65532eceb6d2e5f8c543c24719b9797507;hb=963c5055505f2fc117cd5efa06eaa02c9b2bf85d;hpb=6a73467d16a57ca1645d805776c4dfcaf2b05798 diff --git a/src/devtools.c b/src/devtools.c index c1578e65..5a49e3a8 100644 --- a/src/devtools.c +++ b/src/devtools.c @@ -23,12 +23,31 @@ #include "logger.h" #include "meshlink_internal.h" #include "node.h" +#include "submesh.h" #include "splay_tree.h" #include "netutl.h" #include "xalloc.h" #include "devtools.h" +static void trybind_nop_probe(void) { + return; +} + +static void keyrotate_nop_probe(int stage) { + (void)stage; + return; +} + +static void inviter_commits_first_nop_probe(bool stage) { + (void)stage; + return; +} + +void (*devtool_trybind_probe)(void) = trybind_nop_probe; +void (*devtool_keyrotate_probe)(int stage) = keyrotate_nop_probe; +void (*devtool_set_inviter_commits_first)(bool inviter_commited_first) = inviter_commits_first_nop_probe; + /* Return an array of edges in the current network graph. * Data captures the current state and will not be updated. * Caller must deallocate data when done. @@ -39,38 +58,40 @@ devtool_edge_t *devtool_get_all_edges(meshlink_handle_t *mesh, devtool_edge_t *e return NULL; } - pthread_mutex_lock(&(mesh->mesh_mutex)); + pthread_mutex_lock(&mesh->mutex); devtool_edge_t *result = NULL; - int result_size = 0; + unsigned int result_size = 0; result_size = mesh->edges->count / 2; // if result is smaller than edges, we have to dealloc all the excess devtool_edge_t - if(result_size > *nmemb) - result = realloc(edges, result_size * sizeof(*result)); - else + if((size_t)result_size > *nmemb) { + result = xrealloc(edges, result_size * sizeof(*result)); + } else { result = edges; + } if(result) { devtool_edge_t *p = result; - int n = 0; + unsigned int n = 0; for splay_each(edge_t, e, mesh->edges) { // skip edges that do not represent a two-directional connection - if((!e->reverse) || (e->reverse->to != e->from)) + if(!e->reverse || e->reverse->to != e->from) { continue; + } // don't count edges twice - if(e->to < e->from) + if(e->to < e->from) { continue; + } assert(n < result_size); p->from = (meshlink_node_t *)e->from; p->to = (meshlink_node_t *)e->to; p->address = e->address.storage; - p->options = e->options; p->weight = e->weight; n++; @@ -78,40 +99,36 @@ devtool_edge_t *devtool_get_all_edges(meshlink_handle_t *mesh, devtool_edge_t *e } // shrink result to the actual amount of memory used - result = realloc(result, n * sizeof(*result)); + result = xrealloc(result, n * sizeof(*result)); *nmemb = n; } else { *nmemb = 0; meshlink_errno = MESHLINK_ENOMEM; } - pthread_mutex_unlock(&(mesh->mesh_mutex)); + pthread_mutex_unlock(&mesh->mutex); return result; } static bool fstrwrite(const char *str, FILE *stream) { + assert(stream); + size_t len = strlen(str); - if(fwrite((void *)str, 1, len, stream) != len) + if(fwrite((void *)str, 1, len, stream) != len) { return false; + } return true; } -static const char *__itoa(int value) { - static char buffer[sizeof(int) * 8 + 1]; // not thread safe - - if(snprintf(buffer, sizeof(buffer), "%d", value) == -1) - return ""; - - return buffer; -} - bool devtool_export_json_all_edges_state(meshlink_handle_t *mesh, FILE *stream) { + assert(stream); + bool result = true; - pthread_mutex_lock(&(mesh->mesh_mutex)); + pthread_mutex_lock(&mesh->mutex); // export edges and nodes size_t node_count = 0; @@ -120,57 +137,71 @@ bool devtool_export_json_all_edges_state(meshlink_handle_t *mesh, FILE *stream) meshlink_node_t **nodes = meshlink_get_all_nodes(mesh, NULL, &node_count); devtool_edge_t *edges = devtool_get_all_edges(mesh, NULL, &edge_count); - if((!nodes && node_count != 0) || (!edges && edge_count != 0)) + if((!nodes && node_count != 0) || (!edges && edge_count != 0)) { goto fail; + } // export begin - if(!fstrwrite("{\n", stream)) + if(!fstrwrite("{\n", stream)) { goto fail; + } // export nodes - if(!fstrwrite("\t\"nodes\": {\n", stream)) + if(!fstrwrite("\t\"nodes\": {\n", stream)) { goto fail; + } + + char buf[16]; for(size_t i = 0; i < node_count; ++i) { - if(!fstrwrite("\t\t\"", stream) || !fstrwrite(((node_t *)nodes[i])->name, stream) || !fstrwrite("\": {\n", stream)) + if(!fstrwrite("\t\t\"", stream) || !fstrwrite(((node_t *)nodes[i])->name, stream) || !fstrwrite("\": {\n", stream)) { goto fail; + } - if(!fstrwrite("\t\t\t\"name\": \"", stream) || !fstrwrite(((node_t *)nodes[i])->name, stream) || !fstrwrite("\",\n", stream)) + if(!fstrwrite("\t\t\t\"name\": \"", stream) || !fstrwrite(((node_t *)nodes[i])->name, stream) || !fstrwrite("\",\n", stream)) { goto fail; + } - if(!fstrwrite("\t\t\t\"options\": ", stream) || !fstrwrite(__itoa(((node_t *)nodes[i])->options), stream) || !fstrwrite(",\n", stream)) - goto fail; + snprintf(buf, sizeof(buf), "%d", ((node_t *)nodes[i])->devclass); - if(!fstrwrite("\t\t\t\"devclass\": ", stream) || !fstrwrite(__itoa(((node_t *)nodes[i])->devclass), stream) || !fstrwrite("\n", stream)) + if(!fstrwrite("\t\t\t\"devclass\": ", stream) || !fstrwrite(buf, stream) || !fstrwrite("\n", stream)) { goto fail; + } - if(!fstrwrite((i + 1) != node_count ? "\t\t},\n" : "\t\t}\n", stream)) + if(!fstrwrite((i + 1) != node_count ? "\t\t},\n" : "\t\t}\n", stream)) { goto fail; + } } - if(!fstrwrite("\t},\n", stream)) + if(!fstrwrite("\t},\n", stream)) { goto fail; + } // export edges - if(!fstrwrite("\t\"edges\": {\n", stream)) + if(!fstrwrite("\t\"edges\": {\n", stream)) { goto fail; + } for(size_t i = 0; i < edge_count; ++i) { - if(!fstrwrite("\t\t\"", stream) || !fstrwrite(edges[i].from->name, stream) || !fstrwrite("_to_", stream) || !fstrwrite(edges[i].to->name, stream) || !fstrwrite("\": {\n", stream)) + if(!fstrwrite("\t\t\"", stream) || !fstrwrite(edges[i].from->name, stream) || !fstrwrite("_to_", stream) || !fstrwrite(edges[i].to->name, stream) || !fstrwrite("\": {\n", stream)) { goto fail; + } - if(!fstrwrite("\t\t\t\"from\": \"", stream) || !fstrwrite(edges[i].from->name, stream) || !fstrwrite("\",\n", stream)) + if(!fstrwrite("\t\t\t\"from\": \"", stream) || !fstrwrite(edges[i].from->name, stream) || !fstrwrite("\",\n", stream)) { goto fail; + } - if(!fstrwrite("\t\t\t\"to\": \"", stream) || !fstrwrite(edges[i].to->name, stream) || !fstrwrite("\",\n", stream)) + if(!fstrwrite("\t\t\t\"to\": \"", stream) || !fstrwrite(edges[i].to->name, stream) || !fstrwrite("\",\n", stream)) { goto fail; + } char *host = NULL, *port = NULL, *address = NULL; - sockaddr2str((const sockaddr_t *) & (edges[i].address), &host, &port); + sockaddr2str((const sockaddr_t *)&edges[i].address, &host, &port); - if(host && port) + if(host && port) { xasprintf(&address, "{ \"host\": \"%s\", \"port\": %s }", host, port); + } free(host); free(port); @@ -182,23 +213,26 @@ bool devtool_export_json_all_edges_state(meshlink_handle_t *mesh, FILE *stream) free(address); - if(!fstrwrite("\t\t\t\"options\": ", stream) || !fstrwrite(__itoa(edges[i].options), stream) || !fstrwrite(",\n", stream)) - goto fail; + snprintf(buf, sizeof(buf), "%d", edges[i].weight); - if(!fstrwrite("\t\t\t\"weight\": ", stream) || !fstrwrite(__itoa(edges[i].weight), stream) || !fstrwrite("\n", stream)) + if(!fstrwrite("\t\t\t\"weight\": ", stream) || !fstrwrite(buf, stream) || !fstrwrite("\n", stream)) { goto fail; + } - if(!fstrwrite((i + 1) != edge_count ? "\t\t},\n" : "\t\t}\n", stream)) + if(!fstrwrite((i + 1) != edge_count ? "\t\t},\n" : "\t\t}\n", stream)) { goto fail; + } } - if(!fstrwrite("\t}\n", stream)) + if(!fstrwrite("\t}\n", stream)) { goto fail; + } // DONE! - if(!fstrwrite("}", stream)) + if(!fstrwrite("}", stream)) { goto fail; + } goto done; @@ -209,7 +243,96 @@ done: free(nodes); free(edges); - pthread_mutex_unlock(&(mesh->mesh_mutex)); + pthread_mutex_unlock(&mesh->mutex); return result; } + +void devtool_get_node_status(meshlink_handle_t *mesh, meshlink_node_t *node, devtool_node_status_t *status) { + if(!mesh || !node || !status) { + meshlink_errno = MESHLINK_EINVAL; + return; + } + + node_t *internal = (node_t *)node; + + pthread_mutex_lock(&mesh->mutex); + + memcpy(&status->status, &internal->status, sizeof status->status); + memcpy(&status->address, &internal->address, sizeof status->address); + status->mtu = internal->mtu; + status->minmtu = internal->minmtu; + status->maxmtu = internal->maxmtu; + status->mtuprobes = internal->mtuprobes; + status->in_packets = internal->in_packets; + status->in_bytes = internal->in_bytes; + status->out_packets = internal->out_packets; + status->out_bytes = internal->out_bytes; + + // Derive UDP connection status + if(internal == mesh->self) { + status->udp_status = DEVTOOL_UDP_WORKING; + } else if(!internal->status.reachable) { + status->udp_status = DEVTOOL_UDP_IMPOSSIBLE; + } else if(!internal->status.validkey) { + status->udp_status = DEVTOOL_UDP_UNKNOWN; + } else if(internal->status.udp_confirmed) { + status->udp_status = DEVTOOL_UDP_WORKING; + } else if(internal->mtuprobes > 30) { + status->udp_status = DEVTOOL_UDP_FAILED; + } else if(internal->mtuprobes > 0) { + status->udp_status = DEVTOOL_UDP_TRYING; + } else { + status->udp_status = DEVTOOL_UDP_UNKNOWN; + } + + pthread_mutex_unlock(&mesh->mutex); +} + +meshlink_submesh_t **devtool_get_all_submeshes(meshlink_handle_t *mesh, meshlink_submesh_t **submeshes, size_t *nmemb) { + if(!mesh || !nmemb || (*nmemb && !submeshes)) { + meshlink_errno = MESHLINK_EINVAL; + return NULL; + } + + meshlink_submesh_t **result; + + //lock mesh->nodes + pthread_mutex_lock(&mesh->mutex); + + *nmemb = mesh->submeshes->count; + result = realloc(submeshes, *nmemb * sizeof(*submeshes)); + + if(result) { + meshlink_submesh_t **p = result; + + for list_each(submesh_t, s, mesh->submeshes) { + *p++ = (meshlink_submesh_t *)s; + } + } else { + *nmemb = 0; + free(submeshes); + meshlink_errno = MESHLINK_ENOMEM; + } + + pthread_mutex_unlock(&mesh->mutex); + + return result; +} + +meshlink_handle_t *devtool_open_in_netns(const char *confbase, const char *name, const char *appname, dev_class_t devclass, int netns) { + meshlink_open_params_t *params = meshlink_open_params_init(confbase, name, appname, devclass); + params->netns = dup(netns); + meshlink_handle_t *handle; + + if(params->netns == -1) { + handle = NULL; + meshlink_errno = MESHLINK_EINVAL; + } else { + handle = meshlink_open_ex(params); + } + + meshlink_open_params_free(params); + + return handle; +}