1073 lines
44 KiB
C
1073 lines
44 KiB
C
/*
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* etcpmon_client.c - ETCP Monitor Client Network Implementation
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*/
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#include "etcpmon_client.h"
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#include "etcpmon_graph.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ws2tcpip.h>
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#include <windows.h>
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//#pragma comment(lib, "ws2_32.lib")
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/* Log file name */
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#define LOG_FILENAME "etcpmon.log"
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#define REQUEST_TIMEOUT_MS 5000
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static struct etcpmon_pending_request* find_pending_request(struct etcpmon_client* client, uint8_t seq_id);
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/* Get current timestamp in milliseconds (Unix epoch) */
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uint64_t get_timestamp_ms(void) {
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FILETIME ft;
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GetSystemTimeAsFileTime(&ft);
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/* Convert FILETIME (100-nanosecond intervals since 1601) to milliseconds */
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uint64_t time = ((uint64_t)ft.dwHighDateTime << 32) | ft.dwLowDateTime;
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/* Convert from 1601 to 1970 epoch (11644473600000 milliseconds) */
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return (time / 10000) - 11644473600000ULL;
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}
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/* Log hex data to file */
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static void log_hex_data(FILE* log, const char* prefix, const uint8_t* data, size_t len) {
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if (!log || !data || len == 0) return;
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fprintf(log, "%llu: [%s] ", (unsigned long long)get_timestamp_ms(), prefix);
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for (size_t i = 0; i < len && i < 256; i++) { /* Limit to 256 bytes per line */
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fprintf(log, "%02X ", data[i]);
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}
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if (len > 256) {
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fprintf(log, "... (%llu bytes total)", (unsigned long long)len);
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}
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fprintf(log, "\n");
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fflush(log);
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}
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void etcpmon_client_init(struct etcpmon_client* client) {
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if (!client) return;
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memset(client, 0, sizeof(*client));
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client->sock = INVALID_SOCKET;
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client->connected = 0;
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client->fully_connected = 0;
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client->log_file = NULL;
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client->next_seq_id = 1; /* Start from 1, 0 = broadcast */
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memset(&client->history, 0, sizeof(client->history));
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for (int i = 0; i < GRAPH_METRIC_COUNT; i++) {
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client->history.min_val[i] = 1e9f;
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client->history.max_val[i] = -1e9f;
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}
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client->history.last_minmax_update = 0;
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/* Новый таймер авто-запроса метрик */
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client->last_metrics_request_ms = 0;
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}
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void etcpmon_client_cleanup(struct etcpmon_client* client) {
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if (!client) return;
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etcpmon_client_disconnect(client);
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/* Free pending requests */
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struct etcpmon_pending_request* req = client->pending_head;
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while (req) {
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struct etcpmon_pending_request* next = req->next;
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free(req);
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req = next;
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}
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client->pending_head = NULL;
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client->pending_tail = NULL;
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/* Close log file */
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [LOG] Log closed\n",
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(unsigned long long)get_timestamp_ms());
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fclose(client->log_file);
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client->log_file = NULL;
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}
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/* Free cached data */
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if (client->conn_list) {
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free(client->conn_list);
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client->conn_list = NULL;
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}
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if (client->socket_list) {
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free(client->socket_list);
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client->socket_list = NULL;
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}
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if (client->last_metrics) {
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free(client->last_metrics);
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client->last_metrics = NULL;
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}
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if (client->last_links) {
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free(client->last_links);
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client->last_links = NULL;
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}
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}
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int etcpmon_client_connect(struct etcpmon_client* client, const char* addr, uint16_t port) {
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if (!client || !addr) return -1;
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if (client->connected) {
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etcpmon_client_disconnect(client);
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}
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/* Open log file (truncate on start) */
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if (!client->log_file) {
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client->log_file = fopen(LOG_FILENAME, "w");
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [LOG] ETCP Monitor communication log started\n",
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(unsigned long long)get_timestamp_ms());
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fprintf(client->log_file, "%llu: [LOG] Connecting to %s:%d\n",
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(unsigned long long)get_timestamp_ms(), addr, port);
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fflush(client->log_file);
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}
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}
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/* Create socket */
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client->sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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if (client->sock == INVALID_SOCKET) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Failed to create socket\n",
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(unsigned long long)get_timestamp_ms());
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fflush(client->log_file);
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}
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if (client->on_error) {
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client->on_error("Failed to create socket", client->user_data);
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}
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return -1;
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}
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/* Set non-blocking mode */
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u_long nonblock = 1;
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ioctlsocket(client->sock, FIONBIO, &nonblock);
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/* Setup address */
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struct sockaddr_in server_addr;
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memset(&server_addr, 0, sizeof(server_addr));
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(port);
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if (inet_pton(AF_INET, addr, &server_addr.sin_addr) != 1) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Invalid address: %s\n",
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(unsigned long long)get_timestamp_ms(), addr);
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fflush(client->log_file);
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}
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closesocket(client->sock);
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client->sock = INVALID_SOCKET;
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if (client->on_error) {
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client->on_error("Invalid address", client->user_data);
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}
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return -1;
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}
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/* Connect (non-blocking) */
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int result = connect(client->sock, (struct sockaddr*)&server_addr, sizeof(server_addr));
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if (result == SOCKET_ERROR) {
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int err = WSAGetLastError();
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if (err != WSAEWOULDBLOCK && err != WSAEINPROGRESS) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Connection failed: %d\n",
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(unsigned long long)get_timestamp_ms(), err);
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fflush(client->log_file);
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}
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closesocket(client->sock);
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client->sock = INVALID_SOCKET;
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if (client->on_error) {
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char msg[256];
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snprintf(msg, sizeof(msg), "Connection failed: %d", err);
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client->on_error(msg, client->user_data);
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}
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return -1;
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}
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/* Connection in progress, will complete asynchronously */
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}
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strncpy(client->server_addr, addr, sizeof(client->server_addr) - 1);
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client->server_port = port;
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client->connected = 1;
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client->fully_connected = 0;
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [LOG] Socket created, connection in progress\n",
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(unsigned long long)get_timestamp_ms());
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fflush(client->log_file);
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}
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return 0;
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}
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void etcpmon_client_disconnect(struct etcpmon_client* client) {
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if (!client) return;
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if (client->sock != INVALID_SOCKET) {
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/* Send disconnect command */
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if (client->connected) {
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struct etcpmon_msg_header hdr;
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etcpmon_build_header(&hdr, 0, ETCPMON_CMD_DISCONNECT, 0);
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if (client->log_file) {
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log_hex_data(client->log_file, "TX", (const uint8_t*)&hdr, sizeof(hdr));
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fprintf(client->log_file, "%llu: [LOG] Sending CMD_DISCONNECT\n",
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(unsigned long long)get_timestamp_ms());
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}
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send(client->sock, (const char*)&hdr, sizeof(hdr), 0);
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}
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [LOG] Connection closed\n",
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(unsigned long long)get_timestamp_ms());
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fflush(client->log_file);
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}
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closesocket(client->sock);
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client->sock = INVALID_SOCKET;
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}
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client->connected = 0;
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client->fully_connected = 0;
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client->recv_len = 0;
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client->selected_peer_id = 0;
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client->last_metrics_request_ms = 0;
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free(client->conn_list);
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client->conn_list = NULL;
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client->conn_count = 0;
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free(client->socket_list);
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client->socket_list = NULL;
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client->socket_count = 0;
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free(client->last_metrics);
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client->last_metrics = NULL;
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free(client->last_links);
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client->last_links = NULL;
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client->last_links_count = 0;
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memset(&client->history, 0, sizeof(client->history));
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/* Очистить очередь pending requests и сбросить seq_id */
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struct etcpmon_pending_request* req = client->pending_head;
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while (req) {
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struct etcpmon_pending_request* next = req->next;
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free(req);
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req = next;
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}
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client->pending_head = NULL;
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client->pending_tail = NULL;
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client->next_seq_id = 1;
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client->last_response_seq_id = 0;
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}
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int etcpmon_client_is_connected(const struct etcpmon_client* client) {
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return client ? client->connected : 0;
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}
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int etcpmon_client_request_list(struct etcpmon_client* client) {
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if (!client || client->sock == INVALID_SOCKET) return -1;
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struct etcpmon_msg_header hdr;
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etcpmon_build_header(&hdr, 0, ETCPMON_CMD_LIST_CONN, 0); /* seq=0 = legacy режим */
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if (client->log_file) {
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log_hex_data(client->log_file, "TX", (const uint8_t*)&hdr, sizeof(hdr));
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fprintf(client->log_file, "%llu: [LOG] CMD_LIST_CONN (seq=0)\n",
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(unsigned long long)get_timestamp_ms());
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fflush(client->log_file);
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}
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int sent = send(client->sock, (const char*)&hdr, sizeof(hdr), 0);
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if (sent != sizeof(hdr)) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Failed to send CMD_LIST_CONN: %d\n",
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(unsigned long long)get_timestamp_ms(), WSAGetLastError());
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fflush(client->log_file);
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}
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return -1;
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}
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return 0;
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}
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int etcpmon_client_select_connection(struct etcpmon_client* client, uint64_t peer_node_id) {
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if (!client || client->sock == INVALID_SOCKET) return -1;
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/* SELECT is special - it's not a request/response, it just sets state
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* So we send with seq_id=0 (broadcast) */
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uint8_t buffer[sizeof(struct etcpmon_msg_header) + sizeof(struct etcpmon_cmd_select)];
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struct etcpmon_msg_header* hdr = (struct etcpmon_msg_header*)buffer;
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struct etcpmon_cmd_select* cmd = (struct etcpmon_cmd_select*)(buffer + sizeof(*hdr));
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etcpmon_build_header(hdr, sizeof(*cmd), ETCPMON_CMD_SELECT_CONN, 0); /* seq_id=0 for SELECT */
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cmd->peer_node_id = peer_node_id;
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if (client->log_file) {
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log_hex_data(client->log_file, "TX", buffer, sizeof(buffer));
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fprintf(client->log_file, "%llu: [LOG] CMD_SELECT_CONN peer_id=%016llX\n",
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(unsigned long long)get_timestamp_ms(), (unsigned long long)peer_node_id);
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fflush(client->log_file);
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}
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int sent = send(client->sock, (const char*)buffer, sizeof(buffer), 0);
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if (sent != sizeof(buffer)) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Failed to send CMD_SELECT_CONN: %d\n",
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(unsigned long long)get_timestamp_ms(), WSAGetLastError());
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fflush(client->log_file);
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}
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return -1;
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}
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client->selected_peer_id = peer_node_id;
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client->last_metrics_request_ms = 0;
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memset(&client->history, 0, sizeof(client->history));
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return 0;
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}
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int etcpmon_client_request_socket_list(struct etcpmon_client* client) {
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if (!client || client->sock == INVALID_SOCKET) return -1;
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struct etcpmon_msg_header hdr;
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etcpmon_build_header(&hdr, 0, ETCPMON_CMD_LIST_SOCKETS, 0);
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if (client->log_file) {
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log_hex_data(client->log_file, "TX", (const uint8_t*)&hdr, sizeof(hdr));
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fprintf(client->log_file, "%llu: [LOG] CMD_LIST_SOCKETS (seq=0)\n",
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(unsigned long long)get_timestamp_ms());
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fflush(client->log_file);
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}
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int sent = send(client->sock, (const char*)&hdr, sizeof(hdr), 0);
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if (sent != sizeof(hdr)) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Failed to send CMD_LIST_SOCKETS: %d\n",
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(unsigned long long)get_timestamp_ms(), WSAGetLastError());
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fflush(client->log_file);
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}
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return -1;
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}
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return 0;
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}
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int etcpmon_client_request_metrics(struct etcpmon_client* client) {
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if (!client || client->sock == INVALID_SOCKET) return -1;
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struct etcpmon_msg_header hdr;
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etcpmon_build_header(&hdr, 0, ETCPMON_CMD_GET_METRICS, 0);
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if (client->log_file) {
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log_hex_data(client->log_file, "TX", (const uint8_t*)&hdr, sizeof(hdr));
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fprintf(client->log_file, "%llu: [LOG] CMD_GET_METRICS\n",
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(unsigned long long)get_timestamp_ms());
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fflush(client->log_file);
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}
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int sent = send(client->sock, (const char*)&hdr, sizeof(hdr), 0);
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if (sent != sizeof(hdr)) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Failed to send CMD_GET_METRICS: %d\n",
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(unsigned long long)get_timestamp_ms(), WSAGetLastError());
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fflush(client->log_file);
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}
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return -1;
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}
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return 0;
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}
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static void action_auto_callback(void* arg, uint8_t msg_type, const uint8_t* payload, uint16_t payload_size) {
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(void)arg; (void)msg_type; (void)payload; (void)payload_size;
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/* legacy callback is called via on_action_result in handle_response */
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}
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int etcpmon_client_send_action(struct etcpmon_client* client, const char* action) {
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if (!client || client->sock == INVALID_SOCKET || !action) return -1;
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struct etcpmon_cmd_action cmd;
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memset(&cmd, 0, sizeof(cmd));
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strncpy(cmd.action, action, sizeof(cmd.action) - 1);
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cmd.action[sizeof(cmd.action) - 1] = '\0';
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return etcpmon_client_send_request(client, ETCPMON_CMD_ACTION, &cmd, sizeof(cmd),
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action_auto_callback, NULL);
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}
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/* Send request with callback - queued version */
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int etcpmon_client_send_request(struct etcpmon_client* client,
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uint8_t type,
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const void* payload, uint16_t payload_size,
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void (*callback)(void* arg, uint8_t msg_type, const uint8_t* payload, uint16_t payload_size),
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void* arg) {
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if (!client || client->sock == INVALID_SOCKET || !callback) return -1;
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if (payload_size > ETCPMON_MAX_MSG_SIZE - sizeof(struct etcpmon_msg_header) || (payload_size && !payload)) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Invalid request payload: type=0x%02X size=%u\n",
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(unsigned long long)get_timestamp_ms(), type, payload_size);
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fflush(client->log_file);
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}
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return -1;
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}
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/* Не переиспользуем seq_id ещё ожидающего ответа запроса. */
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int attempts = 0;
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while (find_pending_request(client, client->next_seq_id) && attempts++ < 255) {
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if (++client->next_seq_id == 0) client->next_seq_id = 1;
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}
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if (attempts >= 255) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] All request sequence IDs are in use\n",
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(unsigned long long)get_timestamp_ms());
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fflush(client->log_file);
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}
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return -1;
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}
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/* Allocate pending request */
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struct etcpmon_pending_request* req = (struct etcpmon_pending_request*)malloc(sizeof(*req));
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if (!req) {
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if (client->log_file) {
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fprintf(client->log_file, "%llu: [ERROR] Failed to allocate pending request\n",
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(unsigned long long)get_timestamp_ms());
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fflush(client->log_file);
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}
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return -1;
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}
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/* Assign sequence ID */
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req->seq_id = client->next_seq_id++;
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if (client->next_seq_id == 0) client->next_seq_id = 1; /* Skip 0 (broadcast) */
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req->callback = callback;
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req->arg = arg;
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req->type = type;
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req->sent_at = GetTickCount();
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req->next = NULL;
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/* Build message with seq_id */
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uint8_t buffer[ETCPMON_MAX_MSG_SIZE];
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struct etcpmon_msg_header* hdr = (struct etcpmon_msg_header*)buffer;
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etcpmon_build_header(hdr, payload_size, type, req->seq_id);
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if (payload && payload_size > 0) {
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memcpy(buffer + sizeof(*hdr), payload, payload_size);
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}
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uint16_t total_size = sizeof(*hdr) + payload_size;
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if (client->log_file) {
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log_hex_data(client->log_file, "TX", buffer, total_size);
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fprintf(client->log_file, "%llu: [LOG] CMD 0x%02X seq=%d queued\n",
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(unsigned long long)get_timestamp_ms(), type, req->seq_id);
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fflush(client->log_file);
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}
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int sent = send(client->sock, (const char*)buffer, total_size, 0);
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if (sent != total_size) {
|
|
free(req);
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [ERROR] Failed to send request: type=0x%02X sent=%d/%u error=%d\n",
|
|
(unsigned long long)get_timestamp_ms(), type, sent, total_size, sent == SOCKET_ERROR ? WSAGetLastError() : 0);
|
|
fflush(client->log_file);
|
|
}
|
|
/* После частичной отправки следующий пакет уже нельзя писать в этот поток. */
|
|
etcpmon_client_disconnect(client);
|
|
if (client->on_disconnected) client->on_disconnected(client->user_data);
|
|
return -1;
|
|
}
|
|
|
|
/* В очередь попадает только полностью отправленный запрос. */
|
|
if (client->pending_tail) client->pending_tail->next = req;
|
|
else client->pending_head = req;
|
|
client->pending_tail = req;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void handle_response(struct etcpmon_client* client, uint8_t msg_type,
|
|
const uint8_t* payload, uint16_t payload_size) {
|
|
switch (msg_type) {
|
|
case ETCPMON_RSP_CONN_LIST: {
|
|
if (payload_size < sizeof(struct etcpmon_rsp_conn_list)) {
|
|
if (client->log_file) fprintf(client->log_file, "[ERROR] Empty RSP_CONN_LIST payload\n");
|
|
break;
|
|
}
|
|
|
|
struct etcpmon_rsp_conn_list* rsp = (struct etcpmon_rsp_conn_list*)payload;
|
|
uint8_t count = rsp->count;
|
|
|
|
if (count > ETCPMON_MAX_CONNECTIONS || payload_size != sizeof(*rsp) + count * sizeof(struct etcpmon_conn_info)) {
|
|
if (client->log_file) fprintf(client->log_file, "[ERROR] Invalid RSP_CONN_LIST: count=%u size=%u\n", count, payload_size);
|
|
break;
|
|
}
|
|
|
|
/* Update cached list */
|
|
struct etcpmon_conn_info* list = count ? malloc(count * sizeof(*list)) : NULL;
|
|
if (count && !list) {
|
|
if (client->log_file) fprintf(client->log_file, "[ERROR] Failed to allocate connection list: count=%u\n", count);
|
|
break;
|
|
}
|
|
{
|
|
if (count) memcpy(list, payload + sizeof(*rsp), count * sizeof(*list));
|
|
for (uint8_t i = 0; i < count; i++) list[i].name[ETCPMON_MAX_CONN_NAME - 1] = '\0';
|
|
free(client->conn_list);
|
|
client->conn_list = list;
|
|
client->conn_count = count;
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] RSP_CONN_LIST count=%d\n",
|
|
(unsigned long long)get_timestamp_ms(), count);
|
|
for (uint8_t i = 0; i < count; i++) {
|
|
fprintf(client->log_file, "%llu: [LOG] [%d] peer_id=%016llX name='%s'\n",
|
|
(unsigned long long)get_timestamp_ms(), i,
|
|
(unsigned long long)client->conn_list[i].peer_node_id,
|
|
client->conn_list[i].name);
|
|
}
|
|
fflush(client->log_file);
|
|
}
|
|
|
|
if (client->on_conn_list) {
|
|
client->on_conn_list(client->conn_list, count, client->user_data);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case ETCPMON_RSP_SOCKET_LIST: {
|
|
if (payload_size < sizeof(struct etcpmon_rsp_socket_list)) break;
|
|
|
|
struct etcpmon_rsp_socket_list* rsp = (struct etcpmon_rsp_socket_list*)payload;
|
|
uint8_t count = rsp->count;
|
|
|
|
if (count > ETCPMON_MAX_CONNECTIONS || payload_size != sizeof(*rsp) + count * sizeof(struct etcpmon_socket_info)) {
|
|
if (client->log_file) fprintf(client->log_file, "[ERROR] Invalid RSP_SOCKET_LIST: count=%u size=%u\n", count, payload_size);
|
|
break;
|
|
}
|
|
|
|
struct etcpmon_socket_info* list = count ? malloc(count * sizeof(*list)) : NULL;
|
|
if (count && !list) {
|
|
if (client->log_file) fprintf(client->log_file, "[ERROR] Failed to allocate socket list: count=%u\n", count);
|
|
break;
|
|
}
|
|
{
|
|
if (count) memcpy(list, payload + sizeof(*rsp), count * sizeof(*list));
|
|
for (uint8_t i = 0; i < count; i++) {
|
|
list[i].name[sizeof(list[i].name) - 1] = '\0';
|
|
list[i].ip[sizeof(list[i].ip) - 1] = '\0';
|
|
list[i].nat_ip[sizeof(list[i].nat_ip) - 1] = '\0';
|
|
}
|
|
free(client->socket_list);
|
|
client->socket_list = list;
|
|
client->socket_count = count;
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] RSP_SOCKET_LIST count=%d\n",
|
|
(unsigned long long)get_timestamp_ms(), count);
|
|
fflush(client->log_file);
|
|
}
|
|
|
|
if (client->on_socket_list) {
|
|
client->on_socket_list(client->socket_list, count, client->user_data);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case ETCPMON_RSP_METRICS: {
|
|
if (payload_size < sizeof(struct etcpmon_rsp_metrics)) break;
|
|
|
|
struct etcpmon_rsp_metrics* rsp = (struct etcpmon_rsp_metrics*)payload;
|
|
uint8_t links_count = rsp->etcp.links_count;
|
|
|
|
if (rsp->etcp.peer_node_id != client->selected_peer_id || client->selected_peer_id == 0) {
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "[LOG] Ignoring stale metrics: peer=%016llX selected=%016llX\n",
|
|
(unsigned long long)rsp->etcp.peer_node_id, (unsigned long long)client->selected_peer_id);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (links_count > ETCPMON_MAX_LINKS || payload_size != sizeof(*rsp) + links_count * sizeof(struct etcpmon_link_metrics)) {
|
|
if (client->log_file) fprintf(client->log_file, "[ERROR] Invalid RSP_METRICS: links=%u size=%u\n", links_count, payload_size);
|
|
break;
|
|
}
|
|
|
|
/* Update cached metrics */
|
|
struct etcpmon_rsp_metrics* metrics = malloc(sizeof(*metrics));
|
|
struct etcpmon_link_metrics* links = links_count ? malloc(links_count * sizeof(*links)) : NULL;
|
|
if (!metrics || (links_count && !links)) {
|
|
free(metrics);
|
|
free(links);
|
|
if (client->log_file) fprintf(client->log_file, "[ERROR] Failed to allocate metrics: links=%u\n", links_count);
|
|
break;
|
|
}
|
|
{
|
|
free(client->last_metrics);
|
|
free(client->last_links);
|
|
client->last_metrics = metrics;
|
|
client->last_links = links;
|
|
memcpy(client->last_metrics, rsp, sizeof(*rsp));
|
|
if (links_count) memcpy(client->last_links, payload + sizeof(*rsp),
|
|
links_count * sizeof(struct etcpmon_link_metrics));
|
|
client->last_links_count = links_count;
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] RSP_METRICS rtt=%u bytes=%llu links=%d\n",
|
|
(unsigned long long)get_timestamp_ms(),
|
|
rsp->etcp.rtt_last,
|
|
(unsigned long long)rsp->etcp.bytes_sent_total,
|
|
links_count);
|
|
fflush(client->log_file);
|
|
}
|
|
|
|
etcpmon_client_add_to_history(client, client->last_metrics);
|
|
if (client->on_metrics) {
|
|
client->on_metrics(client->last_metrics, client->last_links,
|
|
links_count, client->user_data);
|
|
}
|
|
|
|
}
|
|
break;
|
|
}
|
|
|
|
case ETCPMON_RSP_ERROR: {
|
|
if (payload_size > sizeof(struct etcpmon_rsp_error) &&
|
|
memchr(payload + sizeof(struct etcpmon_rsp_error), 0, payload_size - sizeof(struct etcpmon_rsp_error))) {
|
|
struct etcpmon_rsp_error* rsp = (struct etcpmon_rsp_error*)payload;
|
|
const char* msg = (const char*)(payload + sizeof(*rsp));
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] RSP_ERROR code=%d msg='%s'\n",
|
|
(unsigned long long)get_timestamp_ms(), rsp->error_code, msg);
|
|
fflush(client->log_file);
|
|
}
|
|
|
|
if (client->on_error) {
|
|
client->on_error(msg, client->user_data);
|
|
}
|
|
} else if (client->log_file) {
|
|
fprintf(client->log_file, "[ERROR] Invalid RSP_ERROR string: size=%u\n", payload_size);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case ETCPMON_RSP_ACTION_RESULT: {
|
|
if (payload_size > sizeof(struct etcpmon_rsp_action_result) &&
|
|
memchr(payload + sizeof(struct etcpmon_rsp_action_result), 0, payload_size - sizeof(struct etcpmon_rsp_action_result))) {
|
|
const char* text = (const char*)(payload + sizeof(struct etcpmon_rsp_action_result));
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] RSP_ACTION_RESULT len=%u\n",
|
|
(unsigned long long)get_timestamp_ms(), payload_size);
|
|
fflush(client->log_file);
|
|
}
|
|
|
|
if (client->on_action_result) {
|
|
client->on_action_result(text, client->user_data);
|
|
}
|
|
} else if (client->log_file) {
|
|
fprintf(client->log_file, "[ERROR] Invalid RSP_ACTION_RESULT string: size=%u\n", payload_size);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case ETCPMON_RSP_DEBUG_CONFIG: {
|
|
const uint8_t* names_end = payload_size > 2 ? memchr(payload + 2, 0, payload_size - 2) : NULL;
|
|
if (!names_end || payload[1] > ETCPMON_MAX_DEBUG_CATEGORIES ||
|
|
(size_t)(names_end - payload) + 1 + payload[1] != payload_size) {
|
|
if (client->log_file) fprintf(client->log_file, "[ERROR] Invalid RSP_DEBUG_CONFIG: size=%u\n", payload_size);
|
|
break;
|
|
}
|
|
{
|
|
client->debug_global_level = payload[0];
|
|
client->debug_category_count = payload[1];
|
|
uint16_t names_len = (uint16_t)(names_end - payload - 2) + 1;
|
|
if (2 + names_len <= payload_size) {
|
|
size_t copy_len = names_len < sizeof(client->debug_category_names) ? names_len : sizeof(client->debug_category_names) - 1;
|
|
memcpy(client->debug_category_names, payload + 2, copy_len);
|
|
client->debug_category_names[copy_len] = '\0';
|
|
uint16_t levels_off = 2 + names_len;
|
|
uint8_t lvl_count = client->debug_category_count;
|
|
if (lvl_count > ETCPMON_MAX_DEBUG_CATEGORIES) lvl_count = ETCPMON_MAX_DEBUG_CATEGORIES;
|
|
for (uint8_t i = 0; i < lvl_count && levels_off + i < payload_size; i++)
|
|
client->debug_category_levels[i] = payload[levels_off + i];
|
|
client->debug_config_dirty = 1;
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] RSP_DEBUG_CONFIG global=%d categories=%d\n",
|
|
(unsigned long long)get_timestamp_ms(), client->debug_global_level, client->debug_category_count);
|
|
fflush(client->log_file);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Find pending request by seq_id */
|
|
static struct etcpmon_pending_request* find_pending_request(struct etcpmon_client* client, uint8_t seq_id) {
|
|
struct etcpmon_pending_request* req = client->pending_head;
|
|
while (req) {
|
|
if (req->seq_id == seq_id) {
|
|
return req;
|
|
}
|
|
req = req->next;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* Remove pending request from queue */
|
|
static void remove_pending_request(struct etcpmon_client* client, struct etcpmon_pending_request* req) {
|
|
struct etcpmon_pending_request** curr = &client->pending_head;
|
|
struct etcpmon_pending_request* prev = NULL;
|
|
while (*curr) {
|
|
if (*curr == req) {
|
|
*curr = req->next;
|
|
if (client->pending_tail == req) {
|
|
client->pending_tail = prev;
|
|
}
|
|
free(req);
|
|
return;
|
|
}
|
|
prev = *curr;
|
|
curr = &(*curr)->next;
|
|
}
|
|
}
|
|
|
|
/* Handle response - find matching request and call callback */
|
|
static void handle_response_with_callback(struct etcpmon_client* client, uint8_t msg_type,
|
|
const uint8_t* payload, uint16_t payload_size) {
|
|
uint8_t seq_id = client->last_response_seq_id;
|
|
|
|
/* Find pending request */
|
|
struct etcpmon_pending_request* req = find_pending_request(client, seq_id);
|
|
|
|
if (req) {
|
|
/* Callback может отправить новый запрос или отключить клиент. */
|
|
void (*callback)(void*, uint8_t, const uint8_t*, uint16_t) = req->callback;
|
|
void* arg = req->arg;
|
|
remove_pending_request(client, req);
|
|
if (callback) callback(arg, msg_type, payload, payload_size);
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] Response handled, seq=%d removed from queue\n",
|
|
(unsigned long long)get_timestamp_ms(), seq_id);
|
|
fflush(client->log_file);
|
|
}
|
|
} else {
|
|
/* No pending request - maybe broadcast/unsolicited or stale */
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] Response seq=%d - no pending request (broadcast?)\n",
|
|
(unsigned long long)get_timestamp_ms(), seq_id);
|
|
fflush(client->log_file);
|
|
}
|
|
}
|
|
|
|
/* === НОВОЕ: ВСЕГДА вызываем legacy обработчики (on_conn_list / on_metrics / on_error) ===
|
|
* Это позволяет использовать и старый код, и новый асинхронный send_request одновременно */
|
|
if (seq_id == 0 || msg_type == ETCPMON_RSP_CONN_LIST ||
|
|
msg_type == ETCPMON_RSP_SOCKET_LIST || msg_type == ETCPMON_RSP_DEBUG_CONFIG ||
|
|
msg_type == ETCPMON_RSP_METRICS || msg_type == ETCPMON_RSP_ERROR ||
|
|
msg_type == ETCPMON_RSP_ACTION_RESULT) {
|
|
handle_response(client, msg_type, payload, payload_size);
|
|
}
|
|
}
|
|
|
|
static void metrics_auto_callback(void* arg, uint8_t msg_type, const uint8_t* payload, uint16_t payload_size) {
|
|
(void)arg;
|
|
(void)msg_type;
|
|
(void)payload;
|
|
(void)payload_size;
|
|
/* Ничего не делаем — legacy on_metrics вызывается автоматически ниже */
|
|
}
|
|
|
|
int etcpmon_client_process(struct etcpmon_client* client) {
|
|
if (!client || client->sock == INVALID_SOCKET) return -1;
|
|
|
|
/* Проверка завершения non-blocking connect */
|
|
if (client->connected && !client->fully_connected) {
|
|
fd_set writable, failed;
|
|
FD_ZERO(&writable);
|
|
FD_ZERO(&failed);
|
|
FD_SET(client->sock, &writable);
|
|
FD_SET(client->sock, &failed);
|
|
struct timeval timeout = {0, 0};
|
|
int ready = select(0, NULL, &writable, &failed, &timeout);
|
|
if (ready == 0) return 0;
|
|
int error = 0;
|
|
int len = sizeof(error);
|
|
if (ready > 0 && getsockopt(client->sock, SOL_SOCKET, SO_ERROR, (char*)&error, &len) == 0) {
|
|
if (error == 0) {
|
|
client->fully_connected = 1;
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] Connection established\n",
|
|
(unsigned long long)get_timestamp_ms());
|
|
fflush(client->log_file);
|
|
}
|
|
if (client->on_connected) {
|
|
client->on_connected(client->user_data);
|
|
}
|
|
return 0;
|
|
} else if (error == WSAEINPROGRESS || error == WSAEALREADY) {
|
|
return 0;
|
|
} else {
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [ERROR] Connect failed: %d\n",
|
|
(unsigned long long)get_timestamp_ms(), error);
|
|
fflush(client->log_file);
|
|
}
|
|
etcpmon_client_disconnect(client);
|
|
if (client->on_disconnected) client->on_disconnected(client->user_data);
|
|
if (client->on_error) {
|
|
char msg[256];
|
|
snprintf(msg, sizeof(msg), "Connect failed: %d", error);
|
|
client->on_error(msg, client->user_data);
|
|
}
|
|
return -1;
|
|
}
|
|
}
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [ERROR] Failed to check connect completion: %d\n",
|
|
(unsigned long long)get_timestamp_ms(), WSAGetLastError());
|
|
fflush(client->log_file);
|
|
}
|
|
etcpmon_client_disconnect(client);
|
|
if (client->on_disconnected) client->on_disconnected(client->user_data);
|
|
return -1;
|
|
}
|
|
|
|
/* Один запрос метрик в полёте; зависший сервер не раздувает очередь. */
|
|
int metrics_pending = 0;
|
|
DWORD tick = GetTickCount();
|
|
for (struct etcpmon_pending_request* req = client->pending_head; req; req = req->next) {
|
|
if (tick - req->sent_at >= REQUEST_TIMEOUT_MS) {
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [ERROR] Response timeout: type=0x%02X seq=%u elapsed=%lu ms\n",
|
|
(unsigned long long)get_timestamp_ms(), req->type, req->seq_id, (unsigned long)(tick - req->sent_at));
|
|
fflush(client->log_file);
|
|
}
|
|
etcpmon_client_disconnect(client);
|
|
if (client->on_disconnected) client->on_disconnected(client->user_data);
|
|
return -1;
|
|
}
|
|
if (req->type == ETCPMON_CMD_GET_METRICS) metrics_pending = 1;
|
|
}
|
|
|
|
/* Авто-запрос метрик каждые 100 мс (асинхронно) */
|
|
if (client->fully_connected && client->selected_peer_id != 0 && !metrics_pending) {
|
|
uint64_t now = GetTickCount64();
|
|
if (now - client->last_metrics_request_ms >= ETCPMON_UPDATE_INTERVAL_MS) {
|
|
if (etcpmon_client_send_request(client, ETCPMON_CMD_GET_METRICS, NULL, 0, metrics_auto_callback, NULL) != 0) {
|
|
etcpmon_client_disconnect(client);
|
|
if (client->on_disconnected) client->on_disconnected(client->user_data);
|
|
return -1;
|
|
}
|
|
client->last_metrics_request_ms = now;
|
|
}
|
|
}
|
|
|
|
/* Приём данных */
|
|
uint8_t* buf = client->recv_buffer + client->recv_len;
|
|
int buf_space = ETCPMON_MAX_MSG_SIZE - client->recv_len;
|
|
if (buf_space <= 0) {
|
|
client->recv_len = 0; /* защита от переполнения */
|
|
buf = client->recv_buffer;
|
|
buf_space = ETCPMON_MAX_MSG_SIZE;
|
|
}
|
|
|
|
int received = recv(client->sock, (char*)buf, buf_space, 0);
|
|
|
|
if (received == SOCKET_ERROR) {
|
|
int err = WSAGetLastError();
|
|
if (err == WSAEWOULDBLOCK) return 0;
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [ERROR] recv failed: %d\n",
|
|
(unsigned long long)get_timestamp_ms(), err);
|
|
fflush(client->log_file);
|
|
}
|
|
etcpmon_client_disconnect(client);
|
|
if (client->on_disconnected) client->on_disconnected(client->user_data);
|
|
return -1;
|
|
}
|
|
|
|
if (received == 0) {
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] Connection closed by server\n",
|
|
(unsigned long long)get_timestamp_ms());
|
|
fflush(client->log_file);
|
|
}
|
|
etcpmon_client_disconnect(client);
|
|
if (client->on_disconnected) client->on_disconnected(client->user_data);
|
|
return -1;
|
|
}
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] Received %d bytes (offset=%d)\n",
|
|
(unsigned long long)get_timestamp_ms(), received, client->recv_len);
|
|
log_hex_data(client->log_file, "RX", buf, received);
|
|
}
|
|
|
|
client->recv_len += received;
|
|
|
|
/* === ОСНОВНОЙ ПАРСЕР (ИСПРАВЛЕННЫЙ) === */
|
|
int processed = 0;
|
|
while (client->recv_len >= sizeof(struct etcpmon_msg_header)) {
|
|
struct etcpmon_msg_header* hdr = (struct etcpmon_msg_header*)client->recv_buffer;
|
|
|
|
/* Валидация */
|
|
if (etcpmon_validate_header(hdr) != 0) {
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [ERROR] Invalid header, skipping byte %02X\n",
|
|
(unsigned long long)get_timestamp_ms(), client->recv_buffer[0]);
|
|
fflush(client->log_file);
|
|
}
|
|
memmove(client->recv_buffer, client->recv_buffer + 1, client->recv_len - 1);
|
|
client->recv_len--;
|
|
continue;
|
|
}
|
|
|
|
/* hdr->size — это ПОЛНЫЙ размер сообщения (header + payload) */
|
|
uint16_t total_size = hdr->size;
|
|
if (client->recv_len < total_size) {
|
|
break; /* ждём остаток */
|
|
}
|
|
|
|
uint16_t payload_size = total_size - sizeof(*hdr);
|
|
uint8_t* payload = client->recv_buffer + sizeof(*hdr);
|
|
|
|
client->last_response_seq_id = hdr->seq_id;
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] Parsed message type=0x%02X total=%d payload=%d seq=%d\n",
|
|
(unsigned long long)get_timestamp_ms(), hdr->type, total_size, payload_size, hdr->seq_id);
|
|
fflush(client->log_file);
|
|
}
|
|
|
|
handle_response_with_callback(client, hdr->type, payload, payload_size);
|
|
if (!client->connected) return -1;
|
|
processed++;
|
|
|
|
/* Удаляем обработанное сообщение */
|
|
if (client->recv_len > total_size) {
|
|
memmove(client->recv_buffer, client->recv_buffer + total_size,
|
|
client->recv_len - total_size);
|
|
}
|
|
client->recv_len -= total_size;
|
|
}
|
|
|
|
return processed;
|
|
}
|
|
|
|
void etcpmon_client_set_callbacks(struct etcpmon_client* client,
|
|
void (*on_connected)(void*),
|
|
void (*on_disconnected)(void*),
|
|
void (*on_conn_list)(struct etcpmon_conn_info*, uint8_t, void*),
|
|
void (*on_socket_list)(struct etcpmon_socket_info*, uint8_t, void*),
|
|
void (*on_metrics)(struct etcpmon_rsp_metrics*,
|
|
struct etcpmon_link_metrics*,
|
|
uint8_t, void*),
|
|
void (*on_error)(const char*, void*),
|
|
void (*on_action_result)(const char*, void*),
|
|
void* user_data) {
|
|
if (!client) return;
|
|
|
|
client->on_connected = on_connected;
|
|
client->on_disconnected = on_disconnected;
|
|
client->on_conn_list = on_conn_list;
|
|
client->on_socket_list = on_socket_list;
|
|
client->on_metrics = on_metrics;
|
|
client->on_error = on_error;
|
|
client->on_action_result = on_action_result;
|
|
client->user_data = user_data;
|
|
}
|
|
|
|
const char* etcpmon_client_get_conn_name(struct etcpmon_client* client, uint64_t peer_id) {
|
|
if (!client || !client->conn_list) return NULL;
|
|
|
|
for (uint8_t i = 0; i < client->conn_count; i++) {
|
|
if (client->conn_list[i].peer_node_id == peer_id) {
|
|
return client->conn_list[i].name;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
struct metrics_history* etcpmon_client_get_history(struct etcpmon_client* client) {
|
|
if (!client) return NULL;
|
|
return &client->history;
|
|
}
|
|
|
|
static void debug_config_auto_callback(void* arg, uint8_t msg_type, const uint8_t* payload, uint16_t payload_size) {
|
|
(void)arg; (void)msg_type; (void)payload; (void)payload_size;
|
|
}
|
|
|
|
int etcpmon_client_request_debug_config(struct etcpmon_client* client) {
|
|
if (!client || client->sock == INVALID_SOCKET) return -1;
|
|
return etcpmon_client_send_request(client, ETCPMON_CMD_GET_DEBUG_CONFIG, NULL, 0,
|
|
debug_config_auto_callback, NULL);
|
|
}
|
|
|
|
int etcpmon_client_send_debug_config(struct etcpmon_client* client,
|
|
uint8_t global_level, uint8_t count, const uint8_t* levels) {
|
|
if (!client || client->sock == INVALID_SOCKET || !levels || count == 0 || count > ETCPMON_MAX_DEBUG_CATEGORIES) return -1;
|
|
|
|
uint8_t payload[2 + ETCPMON_MAX_DEBUG_CATEGORIES];
|
|
payload[0] = global_level;
|
|
payload[1] = count;
|
|
memcpy(payload + 2, levels, count);
|
|
uint16_t payload_size = 2 + count;
|
|
|
|
uint8_t buffer[sizeof(struct etcpmon_msg_header) + sizeof(payload)];
|
|
struct etcpmon_msg_header* hdr = (struct etcpmon_msg_header*)buffer;
|
|
etcpmon_build_header(hdr, payload_size, ETCPMON_CMD_SET_DEBUG_CONFIG, 0);
|
|
memcpy(buffer + sizeof(*hdr), payload, payload_size);
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "%llu: [LOG] CMD_SET_DEBUG_CONFIG global=%d count=%d\n",
|
|
(unsigned long long)get_timestamp_ms(), global_level, count);
|
|
fflush(client->log_file);
|
|
}
|
|
|
|
int total_size = sizeof(*hdr) + payload_size;
|
|
int sent = send(client->sock, (const char*)buffer, total_size, 0);
|
|
if (sent != total_size) {
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "[ERROR] Failed to send debug config: sent=%d/%d error=%d\n",
|
|
sent, total_size, sent == SOCKET_ERROR ? WSAGetLastError() : 0);
|
|
fflush(client->log_file);
|
|
}
|
|
etcpmon_client_disconnect(client);
|
|
if (client->on_disconnected) client->on_disconnected(client->user_data);
|
|
return -1;
|
|
}
|
|
client->debug_global_level = global_level;
|
|
for (uint8_t i = 0; i < count; i++) client->debug_category_levels[i] = levels[i];
|
|
return 0;
|
|
}
|
|
|
|
void etcpmon_client_add_to_history(struct etcpmon_client* client, struct etcpmon_rsp_metrics* metrics) {
|
|
if (!client || !metrics) return;
|
|
|
|
struct metrics_history* h = &client->history;
|
|
int idx = h->head;
|
|
|
|
/* BBR per-link metrics (use first link as representative) */
|
|
if (client->last_links_count > 0 && client->last_links) {
|
|
struct etcpmon_link_metrics* l = &client->last_links[0];
|
|
h->values[GRAPH_METRIC_INFLIGHT_BYTES][idx] = l->inflight_bytes / 1024.f;
|
|
h->values[GRAPH_METRIC_INFLIGHT_LIM][idx] = l->inflight_lim_bytes / 1024.f;
|
|
h->values[GRAPH_METRIC_MIN_RTT][idx] = l->bbr_min_rtt_us / 1000.f;
|
|
h->values[GRAPH_METRIC_BW_HI][idx] = l->bbr_bw_hi / 125.f;
|
|
h->values[GRAPH_METRIC_PACING_RATE][idx] = l->bbr_pacing_rate / 125.f;
|
|
h->values[GRAPH_METRIC_BW_LO][idx] = l->bbr_bw_lo / 125.f;
|
|
h->values[GRAPH_METRIC_INFLIGHT_HI][idx] = l->bbr_inflight_hi / 1024.f;
|
|
h->values[GRAPH_METRIC_BBR_MODE][idx] = (float)l->bbr_mode;
|
|
}
|
|
|
|
h->head = (h->head + 1) % GRAPH_HISTORY_SIZE;
|
|
if (h->count < GRAPH_HISTORY_SIZE) h->count++;
|
|
|
|
if (client->log_file) {
|
|
fprintf(client->log_file, "history updated: count=%d head=%d\n", h->count, h->head);
|
|
fflush(client->log_file);
|
|
}
|
|
}
|