Make configurable by ESP-IDF menuconfig.

CMakeLists.txt

@@ -11,7 +11,7 @@ if (DEFINED ENV{IDF_PATH})
    PRIV_INCLUDE_DIRS "./src" 
    REQUIRES mbedtls srtp json esp_netif
   )
-  add_definitions("-DCONFIG_USE_LWIP=1" "-DCONFIG_USE_USRSCTP=0" "-DCONFIG_AUDIO_BUFFER_SIZE=8096" "-DCONFIG_DATA_BUFFER_SIZE=102400" "-D__BYTE_ORDER=__LITTLE_ENDIAN" "-DHTTP_DO_NOT_USE_CUSTOM_CONFIG" "-DMQTT_DO_NOT_USE_CUSTOM_CONFIG")
+  add_definitions("-DCONFIG_LIBPEER_USE_LWIP=1" "-DCONFIG_LIBPEER_USE_USRSCTP=0" "-D__BYTE_ORDER=__LITTLE_ENDIAN" "-DHTTP_DO_NOT_USE_CUSTOM_CONFIG" "-DMQTT_DO_NOT_USE_CUSTOM_CONFIG")
   return()
 endif()
 

Kconfig

@@ -0,0 +1,61 @@
+menu "libpeer"
+    config LIBPEER_SCTP_MTU
+        int "SCTP MTU"
+        default 1200
+        help
+            The SCTP MTU.
+    config LIBPEER_MTU
+        int "MTU"
+        default 1300
+        help
+            The MTU.
+    config LIBPEER_VIDEO_BUFFER_SIZE_MTUS
+        int "Video Buffer Size in MTUs"
+        default 7
+        help
+            The Video RB Data MTUs.
+    config LIBPEER_AUDIO_BUFFER_SIZE_MTUS
+        int "Audio Buffer Size in MTUs"
+        default 7
+        help
+            The Audio RB Data MTUs.
+    config LIBPEER_DATA_BUFFER_SIZE_MTUS
+        int "Data Buffer Size in MTUs"
+        default 86
+        help
+            The Data RB Data MTUs.
+    config LIBPEER_SDP_BUFFER_SIZE
+        int "SDP Buffer Size"
+        default 8096
+        help
+            The SDP Buffer Size.
+    config LIBPEER_MQTT_BUFFER_SIZE
+        int "MQTT Buffer Size"
+        default 8096
+        help
+            The MQTT Buffer Size.
+    config LIBPEER_AUDIO_LATENCY_MS
+        int "Audio Latency (ms)"
+        default 20
+        help
+            The Audio Latency in milliseconds.
+    config LIBPEER_KEEPALIVE_CONNCHECK
+        int "Keepalive Conncheck interval"
+        default 0
+        help
+            The Keepalive Conncheck.
+    choice LIBPEER_LOG_LEVEL
+        prompt "Log Level"
+        default LIBPEER_LOG_LEVEL_INFO
+        help
+            The Log Level.
+        config LIBPEER_LOG_LEVEL_DEBUG
+            bool "Debug"
+        config LIBPEER_LOG_LEVEL_INFO
+            bool "Info"
+        config LIBPEER_LOG_LEVEL_WARN
+            bool "Warn"
+        config LIBPEER_LOG_LEVEL_ERROR
+            bool "Error"
+    endchoice
+endmenu

src/address.h

@@ -2,7 +2,7 @@
 #define ADDRESS_H_
 
 #include "config.h"
-#if CONFIG_USE_LWIP
+#if CONFIG_LIBPEER_USE_LWIP
 #include <lwip/sockets.h>
 #else
 #include <arpa/inet.h>

src/agent.c

@@ -31,7 +31,7 @@ int agent_create(Agent* agent) {
   }
   LOGI("create IPv4 UDP socket: %d", agent->udp_sockets[0].fd);
 
-#if CONFIG_IPV6
+#if CONFIG_LIBPEER_IPV6
   if ((ret = udp_socket_open(&agent->udp_sockets[1], AF_INET6, 0)) < 0) {
     LOGE("Failed to create IPv6 UDP socket.");
     return ret;
@@ -48,7 +48,7 @@ void agent_destroy(Agent* agent) {
     udp_socket_close(&agent->udp_sockets[0]);
   }
 
-#if CONFIG_IPV6
+#if CONFIG_LIBPEER_IPV6
   if (agent->udp_sockets[1].fd > 0) {
     udp_socket_close(&agent->udp_sockets[1]);
   }
@@ -61,9 +61,10 @@ static int agent_socket_recv(Agent* agent, Address* addr, uint8_t* buf, int len)
   int maxfd = -1;
   fd_set rfds;
   struct timeval tv;
-  int addr_type[] = { AF_INET,
-#if CONFIG_IPV6
-                      AF_INET6,
+  int addr_type[] = {
+    AF_INET,
+#if CONFIG_LIBPEER_IPV6
+    AF_INET6,
 #endif
   };
 
@@ -122,11 +123,12 @@ static int agent_socket_send(Agent* agent, Address* addr, const uint8_t* buf, in
 
 static int agent_create_host_addr(Agent* agent) {
   int i, j;
-  const char* iface_prefx[] = {CONFIG_IFACE_PREFIX};
+  const char* iface_prefx[] = {CONFIG_LIBPEER_IFACE_PREFIX};
   IceCandidate* ice_candidate;
-  int addr_type[] = { AF_INET,
-#if CONFIG_IPV6
-                      AF_INET6,
+  int addr_type[] = {
+    AF_INET,
+#if CONFIG_LIBPEER_IPV6
+    AF_INET6,
 #endif
   };
 

src/config.h

@@ -2,81 +2,116 @@
 #define CONFIG_H_
 
 // uncomment this if you want to handshake with a aiortc
-// #define CONFIG_DTLS_USE_ECDSA 1
+// #define CONFIG_LIBPEER_DTLS_USE_ECDSA 1
 
-#define SCTP_MTU (1200)
-#define CONFIG_MTU (1300)
+#ifndef CONFIG_LIBPEER_SCTP_MTU
+#define CONFIG_LIBPEER_SCTP_MTU (1200)
+#endif
+#ifndef CONFIG_LIBPEER_MTU
+#define CONFIG_LIBPEER_MTU (1300)
+#endif
 
-#ifndef CONFIG_USE_LWIP
-#define CONFIG_USE_LWIP 0
+#ifndef CONFIG_LIBPEER_USE_LWIP
+#define CONFIG_LIBPEER_USE_LWIP 0
 #endif
 
-#ifndef CONFIG_MBEDTLS_DEBUG
-#define CONFIG_MBEDTLS_DEBUG 0
+#ifndef CONFIG_LIBPEER_MBEDTLS_DEBUG
+#define CONFIG_LIBPEER_MBEDTLS_DEBUG 0
 #endif
 
-#ifndef CONFIG_MBEDTLS_2_X
-#define CONFIG_MBEDTLS_2_X 0
+#ifndef CONFIG_LIBPEER_MBEDTLS_2_X
+#define CONFIG_LIBPEER_MBEDTLS_2_X 0
 #endif
 
-#if CONFIG_MBEDTLS_2_X
+#if CONFIG_LIBPEER_MBEDTLS_2_X
 #define RSA_KEY_LENGTH 512
 #else
 #define RSA_KEY_LENGTH 1024
 #endif
 
-#ifndef CONFIG_DTLS_USE_ECDSA
-#define CONFIG_DTLS_USE_ECDSA 0
+#ifndef CONFIG_LIBPEER_DTLS_USE_ECDSA
+#define CONFIG_LIBPEER_DTLS_USE_ECDSA 0
+#endif
+
+#ifndef CONFIG_LIBPEER_USE_USRSCTP
+#define CONFIG_LIBPEER_USE_USRSCTP 1
+#endif
+
+#ifndef CONFIG_LIBPEER_VIDEO_BUFFER_SIZE_MTUS
+#define CONFIG_LIBPEER_VIDEO_BUFFER_SIZE_MTUS 256
+#endif
+#ifndef CONFIG_LIBPEER_AUDIO_BUFFER_SIZE_MTUS
+#define CONFIG_LIBPEER_AUDIO_BUFFER_SIZE_MTUS 256
+#endif
+#ifndef CONFIG_LIBPEER_DATA_BUFFER_SIZE_MTUS
+#define CONFIG_LIBPEER_DATA_BUFFER_SIZE_MTUS 128
 #endif
 
-#ifndef CONFIG_USE_USRSCTP
-#define CONFIG_USE_USRSCTP 1
+#ifndef CONFIG_LIBPEER_VIDEO_BUFFER_SIZE
+#define CONFIG_LIBPEER_VIDEO_BUFFER_SIZE (CONFIG_LIBPEER_MTU * CONFIG_LIBPEER_VIDEO_BUFFER_SIZE_MTUS)
 #endif
 
-#ifndef CONFIG_VIDEO_BUFFER_SIZE
-#define CONFIG_VIDEO_BUFFER_SIZE (CONFIG_MTU * 256)
+#ifndef CONFIG_LIBPEER_AUDIO_BUFFER_SIZE
+#define CONFIG_LIBPEER_AUDIO_BUFFER_SIZE (CONFIG_LIBPEER_MTU * CONFIG_LIBPEER_AUDIO_BUFFER_SIZE_MTUS)
 #endif
 
-#ifndef CONFIG_AUDIO_BUFFER_SIZE
-#define CONFIG_AUDIO_BUFFER_SIZE (CONFIG_MTU * 256)
+#ifndef CONFIG_LIBPEER_DATA_BUFFER_SIZE
+#define CONFIG_LIBPEER_DATA_BUFFER_SIZE (CONFIG_LIBPEER_SCTP_MTU * CONFIG_LIBPEER_DATA_BUFFER_SIZE_MTUS)
 #endif
 
-#ifndef CONFIG_DATA_BUFFER_SIZE
-#define CONFIG_DATA_BUFFER_SIZE (SCTP_MTU * 128)
+#ifndef CONFIG_LIBPEER_SDP_BUFFER_SIZE
+#define CONFIG_LIBPEER_SDP_BUFFER_SIZE 8096
 #endif
 
-#ifndef CONFIG_SDP_BUFFER_SIZE
-#define CONFIG_SDP_BUFFER_SIZE 8096
+#ifndef CONFIG_LIBPEER_MQTT_BUFFER_SIZE
+#define CONFIG_LIBPEER_MQTT_BUFFER_SIZE 4096
 #endif
 
-#ifndef CONFIG_MQTT_BUFFER_SIZE
-#define CONFIG_MQTT_BUFFER_SIZE 4096
+#ifndef CONFIG_LIBPEER_HTTP_BUFFER_SIZE
+#define CONFIG_LIBPEER_HTTP_BUFFER_SIZE 4096
 #endif
 
-#ifndef CONFIG_HTTP_BUFFER_SIZE
-#define CONFIG_HTTP_BUFFER_SIZE 4096
+#ifndef CONFIG_LIBPEER_TLS_READ_TIMEOUT
+#define CONFIG_LIBPEER_TLS_READ_TIMEOUT 3000
 #endif
 
-#ifndef CONFIG_TLS_READ_TIMEOUT
-#define CONFIG_TLS_READ_TIMEOUT 3000
+#ifndef CONFIG_LIBPEER_KEEPALIVE_TIMEOUT
+#define CONFIG_LIBPEER_KEEPALIVE_TIMEOUT 10000
 #endif
 
-#ifndef CONFIG_KEEPALIVE_TIMEOUT
-#define CONFIG_KEEPALIVE_TIMEOUT 10000
+#ifndef CONFIG_LIBPEER_AUDIO_DURATION
+#define CONFIG_LIBPEER_AUDIO_DURATION 20
 #endif
 
-#ifndef CONFIG_AUDIO_DURATION
-#define CONFIG_AUDIO_DURATION 20
+#ifndef CONFIG_LIBPEER_IPV6
+#define CONFIG_LIBPEER_IPV6 0
 #endif
 
-#define CONFIG_IPV6 0
+#ifndef CONFIG_LIBPEER_IFACE_PREFIX
 // empty will use first active interface
-#define CONFIG_IFACE_PREFIX ""
+#define CONFIG_LIBPEER_IFACE_PREFIX ""
+#endif
 
-// #define LOG_LEVEL LEVEL_DEBUG
-#define LOG_REDIRECT 0
+#ifndef CONFIG_LIBPEER_LOG_REDIRECT
+#define CONFIG_LIBPEER_LOG_REDIRECT 0
+#endif
+
+#ifdef CONFIG_LIBPEER_LOG_LEVEL_ERROR
+#define LOG_LEVEL LEVEL_ERROR
+#endif  // CONFIG_LIBPEER_LOG_LEVEL_ERROR
+#ifdef CONFIG_LIBPEER_LOG_LEVEL_WARN
+#define LOG_LEVEL LEVEL_WARN
+#endif  // CONFIG_LIBPEER_LOG_LEVEL_WARN
+#ifdef CONFIG_LIBPEER_LOG_LEVEL_INFO
+#define LOG_LEVEL LEVEL_INFO
+#endif  // CONFIG_LIBPEER_LOG_LEVEL_INFO
+#ifdef CONFIG_LIBPEER_LOG_LEVEL_DEBUG
+#define LOG_LEVEL LEVEL_DEBUG
+#endif  // CONFIG_LIBPEER_LOG_LEVEL_DEBUG
 
 // Disable MQTT and HTTP signaling
-// #define DISABLE_PEER_SIGNALING 1
+#ifndef CONFIG_LIBPEER_DISABLE_PEER_SIGNALING
+#define CONFIG_LIBPEER_DISABLE_PEER_SIGNALING 0
+#endif
 
 #endif  // CONFIG_H_

src/dtls_srtp.c

@@ -6,7 +6,7 @@
 #include "address.h"
 #include "config.h"
 #include "dtls_srtp.h"
-#if CONFIG_MBEDTLS_DEBUG
+#if CONFIG_LIBPEER_MBEDTLS_DEBUG
 #include "mbedtls/debug.h"
 #endif
 #include "mbedtls/sha256.h"
@@ -72,7 +72,7 @@ static int dtls_srtp_selfsign_cert(DtlsSrtp* dtls_srtp) {
   mbedtls_x509write_cert crt;
 
   unsigned char* cert_buf = NULL;
-#if CONFIG_MBEDTLS_2_X
+#if CONFIG_LIBPEER_MBEDTLS_2_X
   mbedtls_mpi serial;
 #else
   const char* serial = "peer";
@@ -87,7 +87,7 @@ static int dtls_srtp_selfsign_cert(DtlsSrtp* dtls_srtp) {
 
   mbedtls_ctr_drbg_seed(&dtls_srtp->ctr_drbg, mbedtls_entropy_func, &dtls_srtp->entropy, (const unsigned char*)pers, strlen(pers));
 
-#if CONFIG_DTLS_USE_ECDSA
+#if CONFIG_LIBPEER_DTLS_USE_ECDSA
   mbedtls_pk_setup(&dtls_srtp->pkey, mbedtls_pk_info_from_type(MBEDTLS_PK_ECKEY));
   mbedtls_ecp_gen_key(MBEDTLS_ECP_DP_SECP256R1, mbedtls_pk_ec(dtls_srtp->pkey), mbedtls_ctr_drbg_random, &dtls_srtp->ctr_drbg);
 #else
@@ -111,7 +111,7 @@ static int dtls_srtp_selfsign_cert(DtlsSrtp* dtls_srtp) {
 
   mbedtls_x509write_crt_set_issuer_name(&crt, "CN=dtls_srtp");
 
-#if CONFIG_MBEDTLS_2_X
+#if CONFIG_LIBPEER_MBEDTLS_2_X
   mbedtls_mpi_init(&serial);
   mbedtls_mpi_fill_random(&serial, 16, mbedtls_ctr_drbg_random, &dtls_srtp->ctr_drbg);
   ret = mbedtls_x509write_crt_set_serial(&crt, &serial);
@@ -139,7 +139,7 @@ static int dtls_srtp_selfsign_cert(DtlsSrtp* dtls_srtp) {
   return ret;
 }
 
-#if CONFIG_MBEDTLS_DEBUG
+#if CONFIG_LIBPEER_MBEDTLS_DEBUG
 static void dtls_srtp_debug(void* ctx, int level, const char* file, int line, const char* str) {
   LOGD("%s:%04d: %s", file, line, str);
 }
@@ -166,7 +166,7 @@ int dtls_srtp_init(DtlsSrtp* dtls_srtp, DtlsSrtpRole role, void* user_data) {
   mbedtls_pk_init(&dtls_srtp->pkey);
   mbedtls_entropy_init(&dtls_srtp->entropy);
   mbedtls_ctr_drbg_init(&dtls_srtp->ctr_drbg);
-#if CONFIG_MBEDTLS_DEBUG
+#if CONFIG_LIBPEER_MBEDTLS_DEBUG
   mbedtls_debug_set_threshold(3);
   mbedtls_ssl_conf_dbg(&dtls_srtp->conf, dtls_srtp_debug, NULL);
 #endif
@@ -314,7 +314,7 @@ static int dtls_srtp_key_derivation(DtlsSrtp* dtls_srtp, const unsigned char* ma
   return 0;
 }
 
-#if CONFIG_MBEDTLS_2_X
+#if CONFIG_LIBPEER_MBEDTLS_2_X
 static int dtls_srtp_key_derivation_cb(void* context,
                                        const unsigned char* ms,
                                        const unsigned char* kb,
@@ -341,7 +341,7 @@ static void dtls_srtp_key_derivation_cb(void* context,
   memcpy(randbytes, client_random, 32);
   memcpy(randbytes + 32, server_random, 32);
 
-#if CONFIG_MBEDTLS_2_X
+#if CONFIG_LIBPEER_MBEDTLS_2_X
   memcpy(master_secret, ms, sizeof(master_secret));
   return dtls_srtp_key_derivation(dtls_srtp, master_secret, sizeof(master_secret), randbytes, sizeof(randbytes), tls_prf_type);
 #else
@@ -357,7 +357,7 @@ static int dtls_srtp_do_handshake(DtlsSrtp* dtls_srtp) {
 
   mbedtls_ssl_set_timer_cb(&dtls_srtp->ssl, &timer, mbedtls_timing_set_delay, mbedtls_timing_get_delay);
 
-#if CONFIG_MBEDTLS_2_X
+#if CONFIG_LIBPEER_MBEDTLS_2_X
   mbedtls_ssl_conf_export_keys_ext_cb(&dtls_srtp->conf, dtls_srtp_key_derivation_cb, dtls_srtp);
 #else
   mbedtls_ssl_set_export_keys_cb(&dtls_srtp->ssl, dtls_srtp_key_derivation_cb, dtls_srtp);