del: 将go版本的内容删除，只保留处理日志功能

cmd/udpserver.c

@@ -0,0 +1,88 @@
+#include "cli_parse.h"
+#include "server_udp_hub.h"
+
+static void udpserver_usage(FILE *out) {
+    fprintf(out, "usage: udpserver [-listen addr] [-latency-log path] [-tx-ts-debug-log path]\n");
+}
+
+int main(int argc, char **argv) {
+    const char *listen_addr = ":9001";
+    const char *latency_log_path = "";
+    const char *tx_debug_log_path = "";
+    latency_logger_t *latency_logger = NULL;
+    tx_timestamp_debug_logger_t *debug_logger = NULL;
+    udp_hub_t *hub = NULL;
+    int enable_timestamping = 0;
+    int i;
+    int rc = 1;
+
+    for (i = 1; i < argc; ++i) {
+        const char *value = NULL;
+        int handled;
+
+        if ((handled = cli_parse_value_flag(argc, argv, &i, argv[i], "-listen", &value)) < 0) {
+            fprintf(stderr, "udpserver: flag -listen requires a value\n");
+            return 1;
+        } else if (handled) {
+            listen_addr = value;
+            continue;
+        }
+        if ((handled = cli_parse_value_flag(argc, argv, &i, argv[i], "-latency-log", &value)) < 0) {
+            fprintf(stderr, "udpserver: flag -latency-log requires a value\n");
+            return 1;
+        } else if (handled) {
+            latency_log_path = value;
+            continue;
+        }
+        if ((handled = cli_parse_value_flag(argc, argv, &i, argv[i], "-tx-ts-debug-log", &value)) < 0) {
+            fprintf(stderr, "udpserver: flag -tx-ts-debug-log requires a value\n");
+            return 1;
+        } else if (handled) {
+            tx_debug_log_path = value;
+            continue;
+        }
+        if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {
+            udpserver_usage(stdout);
+            return 0;
+        }
+        fprintf(stderr, "udpserver: unknown argument %s\n", argv[i]);
+        udpserver_usage(stderr);
+        return 1;
+    }
+
+    if (latency_log_path[0] != '\0') {
+        latency_logger = latencylog_open_jsonl(latency_log_path);
+        if (latency_logger == NULL) {
+            fprintf(stderr, "udpserver: open latency logger %s failed\n", latency_log_path);
+            goto cleanup;
+        }
+    }
+    if (tx_debug_log_path[0] != '\0') {
+        debug_logger = tx_timestamp_debug_open_jsonl(tx_debug_log_path);
+        if (debug_logger == NULL) {
+            fprintf(stderr, "udpserver: open tx timestamp debug logger %s failed\n", tx_debug_log_path);
+            goto cleanup;
+        }
+        enable_timestamping = 1;
+    }
+
+    hub = udp_hub_open(listen_addr, latency_logger, debug_logger, enable_timestamping);
+    if (hub == NULL) {
+        fprintf(stderr, "udpserver: listen on %s failed\n", listen_addr);
+        goto cleanup;
+    }
+
+    fprintf(stderr, "udp server listening on %s\n", listen_addr);
+    if (udp_hub_serve(hub) != 0) {
+        fprintf(stderr, "udpserver: serve failed\n");
+        goto cleanup;
+    }
+
+    rc = 0;
+
+cleanup:
+    udp_hub_free(hub);
+    tx_timestamp_debug_close(debug_logger);
+    latencylog_close(latency_logger);
+    return rc;
+}