feat: ICE/DTLS/RTP improvements for aiortc and Pipecat interop

CMakeLists.txt

@@ -76,16 +76,18 @@ ExternalProject_Add(cjson
     -DENABLE_CJSON_TEST=off
     -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/dist
     -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
+    -DCMAKE_POLICY_VERSION_MINIMUM=3.5
 )
 
 ExternalProject_Add(mbedtls
   SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/mbedtls
   CMAKE_ARGS
-    -DCMAKE_C_FLAGS="-fPIC"
+    "-DCMAKE_C_FLAGS=-fPIC -Wno-error=documentation -Wno-error"
     -DENABLE_TESTING=off
     -DENABLE_PROGRAMS=off
     -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/dist
     -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
+    -DCMAKE_POLICY_VERSION_MINIMUM=3.5
 )
 file(READ ${CMAKE_CURRENT_SOURCE_DIR}/third_party/mbedtls/include/mbedtls/mbedtls_config.h INPUT_CONTENT)
 string(REPLACE "//#define MBEDTLS_SSL_DTLS_SRTP" "#define MBEDTLS_SSL_DTLS_SRTP" MODIFIED_CONTENT ${INPUT_CONTENT})
@@ -98,6 +100,7 @@ ExternalProject_Add(srtp2
     -DTEST_APPS=off
     -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/dist
     -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
+    -DCMAKE_POLICY_VERSION_MINIMUM=3.5
 )
 
 ExternalProject_Add(usrsctp
@@ -107,4 +110,5 @@ ExternalProject_Add(usrsctp
     -Dsctp_build_programs=off
     -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/dist
     -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
+    -DCMAKE_POLICY_VERSION_MINIMUM=3.5
 )

src/address.c

@@ -42,7 +42,7 @@ int addr_from_string(const char* buf, Address* addr) {
 }
 
 int addr_to_string(const Address* addr, char* buf, size_t len) {
-  memset(buf, 0, sizeof(len));
+  memset(buf, 0, len);
   switch (addr->family) {
     case AF_INET6:
       return inet_ntop(AF_INET6, &addr->sin6.sin6_addr, buf, len) != NULL;
@@ -57,3 +57,18 @@ int addr_equal(const Address* a, const Address* b) {
   // TODO
   return 1;
 }
+
+int addr_cmp(const Address* a, const Address* b) {
+  if (a->family != b->family) return -1;
+  if (a->port != b->port) return -1;
+  switch (a->family) {
+    case AF_INET:
+    default:
+      if (a->sin.sin_addr.s_addr != b->sin.sin_addr.s_addr) return -1;
+      break;
+    case AF_INET6:
+      if (memcmp(&a->sin6.sin6_addr, &b->sin6.sin6_addr, sizeof(a->sin6.sin6_addr)) != 0) return -1;
+      break;
+  }
+  return 0;
+}

src/address.h

@@ -33,4 +33,7 @@ int addr_from_string(const char* str, Address* addr);
 
 int addr_equal(const Address* a, const Address* b);
 
+// Compare two addresses; return 0 if equal, non-zero otherwise
+int addr_cmp(const Address* a, const Address* b);
+
 #endif  // ADDRESS_H_