diff --git a/src/edge_management.c b/src/edge_management.c index 3054d40..74cefde 100644 --- a/src/edge_management.c +++ b/src/edge_management.c @@ -29,20 +29,36 @@ typedef struct mgmt_req { struct sockaddr_in sender_sock; } mgmt_req_t; +/* + * Read/Write handlers are defined in this structure + */ #define FLAG_WROK 1 typedef struct mgmt_handler { int flags; char *cmd; char *help; - void (*func)(mgmt_req_t *reg, char *udp_buf, char *argv0, char *argv); + void (*func)(mgmt_req_t *req, char *udp_buf, char *argv0, char *argv); } mgmt_handler_t; +/* + * Event topic names are defined in this structure + */ +typedef struct mgmt_events { + int topic; // topic number define + char *cmd; + char *help; +} mgmt_events_t; + static void send_reply (mgmt_req_t *req, char *udp_buf, size_t msg_len) { // TODO: error handling sendto(req->eee->udp_mgmt_sock, udp_buf, msg_len, 0, (struct sockaddr *) &req->sender_sock, sizeof(struct sockaddr_in)); } +static void event_debug (mgmt_req_t *req, char *udp_buf) { + send_reply(req, "test", 4); +} + static void mgmt_error (mgmt_req_t *req, char *udp_buf, char *msg) { size_t msg_len; msg_len = snprintf(udp_buf, N2N_PKT_BUF_SIZE, @@ -282,9 +298,10 @@ static void mgmt_unimplemented (mgmt_req_t *req, char *udp_buf, char *argv0, cha mgmt_error(req, udp_buf, "unimplemented"); } +// Forward define so we can include this in the mgmt_handlers[] table static void mgmt_help (mgmt_req_t *req, char *udp_buf, char *argv0, char *argv); -mgmt_handler_t mgmt_handlers[] = { +static mgmt_handler_t mgmt_handlers[] = { { .cmd = "reload_communities", .flags = FLAG_WROK, .help = "Reserved for supernode", .func = mgmt_unimplemented}, { .cmd = "stop", .flags = FLAG_WROK, .help = "Gracefully exit edge", .func = mgmt_stop}, @@ -295,6 +312,21 @@ mgmt_handler_t mgmt_handlers[] = { { .cmd = "timestamps", .help = "Event timestamps", .func = mgmt_timestamps}, { .cmd = "packetstats", .help = "traffic counters", .func = mgmt_packetstats}, { .cmd = "help", .flags = FLAG_WROK, .help = "Show JSON commands", .func = mgmt_help}, + // TODO: help_events + { .cmd = NULL }, +}; + +/* Current subscriber for each event topic */ +static mgmt_req_t *mgmt_event_subscribers[10]; + +/* Map topic number to function */ +static const void (*mgmt_events[])(mgmt_req_t *req, char *udp_buf) = { + [0] = event_debug, +}; + +/* Allow help and subscriptions to use topic name */ +static mgmt_events_t mgmt_event_names[] = { + { .cmd = "debug", .topic = 0, .help = "All events - for event debugging"}, { .cmd = NULL }, }; @@ -514,6 +546,7 @@ void readFromMgmtSocket (n2n_edge_t *eee) { "\t-verb | Decrease verbosity of logging\n" "\tr ... | start query with JSON reply\n" "\tw ... | start update with JSON reply\n" + "\ts ... | subscribe to event channel JSON reply\n" "\t | Display statistics\n\n"); send_reply(&req, udp_buf, msg_len); @@ -558,7 +591,7 @@ void readFromMgmtSocket (n2n_edge_t *eee) { return; } - if((udp_buf[0] == 'r' || udp_buf[0] == 'w') && (udp_buf[1] == ' ')) { + if((udp_buf[0] >= 'a' && udp_buf[0] <= 'z') && (udp_buf[1] == ' ')) { /* this is a JSON request */ handleMgmtJson(&req, udp_buf, recvlen); return;