added linux support for rtl_tcp

CMakeLists.txt

@@ -20,4 +20,4 @@ else()
     add_custom_target(do_always ALL cp \"$<TARGET_FILE_DIR:sdrpp_core>/sdrpp_core.so\" \"$<TARGET_FILE_DIR:sdrpp>\")
 endif (MSVC)
 
-# cmake .. "-DCMAKE_TOOLCHAIN_FILE=C:/Users/Alex/vcpkg/scripts/buildsystems/vcpkg.cmake" -G "Visual Studio 15 2017 Win64"
+# cmake .. "-DCMAKE_TOOLCHAIN_FILE=C:/Users/Alex/vcpkg/scripts/buildsystems/vcpkg.cmake" -G "Visual Studio 15 2017 Win64"

root_dev/config.json

@@ -3,17 +3,24 @@
     "bandPlan": "General",
     "bandPlanEnabled": true,
     "fftHeight": 300,
-    "frequency": 96570096,
+    "frequency": 96571704,
     "max": 0.0,
     "maximized": false,
+    "menuOrder": [
+        "Source",
+        "Radio",
+        "Recorder",
+        "Audio",
+        "Band Plan",
+        "Display"
+    ],
     "menuWidth": 300,
     "min": -51.47058868408203,
     "showWaterfall": true,
     "source": "",
     "sourceSettings": {},
     "windowSize": {
-        "h": 720,
-        "w": 1280
-    },
-    "menuOrder": ["Source", "Radio", "Recorder", "Audio", "Band Plan", "Display"]
+        "h": 1053,
+        "w": 1920
+    }
 }

root_dev/module_list.json

@@ -1,7 +1,7 @@
 {
-    "Radio": "./radio/Release/radio.dll",
-    "Recorder": "./recorder/Release/recorder.dll",
-    "Soapy": "./soapy/Release/soapy.dll",
-    "FileSource": "./file_source/Release/file_source.dll",
-    "RTLTCPSource": "./rtl_tcp_source/Release/rtl_tcp_source.dll"
-}
+    "Radio": "./radio/radio.so",
+    "Recorder": "./recorder/recorder.so",
+    "Soapy": "./soapy/soapy.so",
+    "FileSource": "./file_source/file_source.so",
+    "RTLTCPSource": "./rtl_tcp_source/rtl_tcp_source.so"
+}

root_dev/soapy_source_config.json

@@ -1,19 +1,22 @@
-{
-    "device": "HackRF One #0 901868dc282c8f8b",
-    "devices": {
-        "Generic RTL2832U OEM :: 00000001": {
-            "gains": {
-                "TUNER": 12.817999839782715
-            },
-            "sampleRate": 2560000.0
-        },
-        "HackRF One #0 901868dc282c8f8b": {
-            "gains": {
-                "AMP": 0.0,
-                "LNA": 24.711999893188477,
-                "VGA": 15.906000137329102
-            },
-            "sampleRate": 8000000.0
-        }
-    }
+{
+    "device": "HackRF One #0 901868dc282c8f8b",
+    "devices": {
+        "Generic RTL2832U OEM :: 00000001": {
+            "gains": {
+                "TUNER": 12.817999839782715
+            },
+            "sampleRate": 2560000.0
+        },
+        "HackRF One #0 901868dc282c8f8b": {
+            "gains": {
+                "AMP": 0.0,
+                "LNA": 24.711999893188477,
+                "VGA": 15.906000137329102
+            },
+            "sampleRate": 8000000.0
+        },
+        "PulseAudio": {
+            "sampleRate": 96000.0
+        }
+    }
 }

rtl_tcp_source/src/rtltcp_client.h

@@ -2,8 +2,18 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <inttypes.h>
+
+#ifdef _WIN32
 #include <WinSock2.h>
 #include <WS2tcpip.h>
+#else
+#include <unistd.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h> 
+#endif
 
 #ifdef _WIN32
 #define __attribute__(x)
@@ -28,6 +38,7 @@ public:
             return true;
         }
 
+#ifdef _WIN32
         struct addrinfo *result = NULL;
         struct addrinfo *ptr = NULL;
         struct addrinfo hints;
@@ -65,6 +76,23 @@ public:
             return false;
         }
         freeaddrinfo(result);
+#else
+        sockfd = socket(AF_INET, SOCK_STREAM, 0);
+        if (sockfd < 0) {
+            // TODO: Log error
+            return false;
+        }
+        struct hostent *server = gethostbyname(host);
+        struct sockaddr_in serv_addr;
+        bzero(&serv_addr, sizeof(struct sockaddr_in));
+        serv_addr.sin_family = AF_INET;
+        bcopy((char *)server->h_addr, (char *)&serv_addr.sin_addr.s_addr, server->h_length);
+        serv_addr.sin_port = port;
+        if (connect(sockfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr)) < 0) {
+            // TODO: log error
+            return false;
+        }
+#endif
 
         connected = true;
 
@@ -75,8 +103,12 @@ public:
         if (!connected) {
             return;
         }
+#ifdef _WIN32
         closesocket(sock);
         WSACleanup();
+#else
+        close(sockfd);
+#endif
         connected = false;
     }
 
@@ -89,11 +121,19 @@ public:
         command_t cmd;
         cmd.cmd = command;
         cmd.param = htonl(param);
-        send(sock, (char*)&cmd, sizeof(command_t), 0);
+#ifdef _WIN32
+        send(sock, (char*)&cmd, sizeof(command_t), 0);  
+#else
+        write(sockfd, &cmd, sizeof(command_t));
+#endif
     }
 
     void receiveData(uint8_t* buf, size_t count) {
+#ifdef _WIN32
         recv(sock, (char*)buf, count, 0);
+#else
+        read(sockfd, buf, count);
+#endif
     }
 
     void setFrequency(double freq) {
@@ -125,7 +165,12 @@ public:
     }
 
 private:
+#ifdef _WIN32
     SOCKET sock;
+#else
+    int sockfd;
+#endif
+    
     bool connected = false;
 
 };