mirror of https://github.com/jetkvm/kvm.git
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*
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* JetKVM Audio Common Utilities
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*
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* Shared functions used by both audio input and output servers
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*/
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#include "audio_common.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 <signal.h>
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// ============================================================================
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// GLOBAL STATE FOR SIGNAL HANDLER
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// ============================================================================
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// Pointer to the running flag that will be set to 0 on shutdown
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static volatile sig_atomic_t *g_running_ptr = NULL;
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// ============================================================================
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// SIGNAL HANDLERS
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// ============================================================================
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static void signal_handler(int signo) {
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if (signo == SIGTERM || signo == SIGINT) {
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printf("Audio server: Received signal %d, shutting down...\n", signo);
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if (g_running_ptr != NULL) {
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*g_running_ptr = 0;
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}
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}
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}
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void audio_common_setup_signal_handlers(volatile sig_atomic_t *running) {
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g_running_ptr = running;
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struct sigaction sa;
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = signal_handler;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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sigaction(SIGTERM, &sa, NULL);
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sigaction(SIGINT, &sa, NULL);
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// Ignore SIGPIPE (write to closed socket should return error, not crash)
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signal(SIGPIPE, SIG_IGN);
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}
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// ============================================================================
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// CONFIGURATION PARSING
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// ============================================================================
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int audio_common_parse_env_int(const char *name, int default_value) {
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const char *str = getenv(name);
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if (str == NULL || str[0] == '\0') {
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return default_value;
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}
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return atoi(str);
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}
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const char* audio_common_parse_env_string(const char *name, const char *default_value) {
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const char *str = getenv(name);
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if (str == NULL || str[0] == '\0') {
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return default_value;
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}
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return str;
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}
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int audio_common_is_trace_enabled(void) {
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const char *pion_trace = getenv("PION_LOG_TRACE");
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if (pion_trace == NULL) {
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return 0;
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}
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// Check if "audio" is in comma-separated list
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if (strstr(pion_trace, "audio") != NULL) {
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return 1;
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}
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return 0;
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}
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