chore: moves RequestHeaders into propagation folder, also adds typing to the default parsers.

Author: jcchavezs

src/Zipkin/Instrumentation/Http/Client/Psr18/Client.php

@@ -8,6 +8,7 @@
 use Zipkin\SpanCustomizerShield;
 use Zipkin\Propagation\TraceContext;
 use Zipkin\Kind;
+use Zipkin\Instrumentation\Http\Client\Psr18\Propagation\RequestHeaders;
 use Zipkin\Instrumentation\Http\Client\Parser;
 use Zipkin\Instrumentation\Http\Client\HttpClientTracing;
 use Throwable;

src/Zipkin/Instrumentation/Http/Client/Psr18/DefaultParser.php

@@ -18,19 +18,28 @@
  */
 class DefaultParser implements Parser
 {
+    /**
+     * @param RequestInterface $request
+     */
     public function spanName($request): string
     {
         self::assertRequestType($request);
         return $request->getMethod();
     }
 
+    /**
+     * @param RequestInterface $request
+     */
     public function request($request, TraceContext $context, SpanCustomizer $span): void
     {
         self::assertRequestType($request);
         $span->tag(Tags\HTTP_METHOD, $request->getMethod());
         $span->tag(Tags\HTTP_PATH, $request->getUri()->getPath() ?: "/");
     }
 
+    /**
+     * @param ResponseInterface $response
+     */
     public function response($response, TraceContext $context, SpanCustomizer $span): void
     {
         self::assertResponseType($response);

src/Zipkin/Instrumentation/Http/Client/Psr18/RequestHeaders.php renamed to src/Zipkin/Instrumentation/Http/Client/Psr18/Propagation/RequestHeaders.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Zipkin\Instrumentation\Http\Client\Psr18;
+namespace Zipkin\Instrumentation\Http\Client\Psr18\Propagation;
 
 use Zipkin\Propagation\RequestHeaders as BaseRequestHeaders;
 use Zipkin\Propagation\RemoteSetter;

src/Zipkin/Instrumentation/Http/Server/Psr15/DefaultParser.php

@@ -18,19 +18,28 @@
  */
 class DefaultParser implements Parser
 {
+    /**
+     * @param ServerRequestInterface $request
+     */
     public function spanName($request): string
     {
         self::assertRequestType($request);
         return $request->getMethod();
     }
 
+    /**
+     * @param ServerRequestInterface $request
+     */
     public function request($request, TraceContext $context, SpanCustomizer $span): void
     {
         self::assertRequestType($request);
         $span->tag(Tags\HTTP_METHOD, $request->getMethod());
         $span->tag(Tags\HTTP_PATH, $request->getUri()->getPath() ?: "/");
     }
 
+    /**
+     * @param ResponseInterface $response
+     */
     public function response($response, TraceContext $context, SpanCustomizer $span): void
     {
         self::assertResponseType($response);

src/Zipkin/Instrumentation/Http/Server/Psr15/Middleware.php

@@ -11,6 +11,7 @@
 use Zipkin\Propagation\SamplingFlags;
 use Zipkin\Propagation\DefaultSamplingFlags;
 use Zipkin\Kind;
+use Zipkin\Instrumentation\Http\Server\Psr15\Propagation\RequestHeaders;
 use Zipkin\Instrumentation\Http\Server\Parser;
 use Zipkin\Instrumentation\Http\Server\HttpServerTracing;
 use Throwable;

src/Zipkin/Instrumentation/Http/Server/Psr15/RequestHeaders.php renamed to src/Zipkin/Instrumentation/Http/Server/Psr15/Propagation/RequestHeaders.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Zipkin\Instrumentation\Http\Server\Psr15;
+namespace Zipkin\Instrumentation\Http\Server\Psr15\Propagation;
 
 use Zipkin\Propagation\RequestHeaders as BaseRequestHeaders;
 use Zipkin\Propagation\RemoteSetter;