* Fixed API ID collision.

src/api/ApiRouter.cpp

@@ -42,7 +42,6 @@
 #include "core/Controller.h"
 #include "Cpu.h"
 #include "interfaces/IThread.h"
-#include "Mem.h"
 #include "rapidjson/document.h"
 #include "rapidjson/prettywriter.h"
 #include "rapidjson/stringbuffer.h"
@@ -67,7 +66,7 @@ ApiRouter::ApiRouter(xmrig::Controller *controller) :
     memset(m_workerId, 0, sizeof(m_workerId));
 
     setWorkerId(controller->config()->apiWorkerId());
-    genId();
+    genId(controller->config()->apiId());
 }
 
 
@@ -145,10 +144,15 @@ void ApiRouter::finalize(xmrig::HttpReply &reply, rapidjson::Document &doc) cons
 }
 
 
-void ApiRouter::genId()
+void ApiRouter::genId(const char *id)
 {
     memset(m_id, 0, sizeof(m_id));
 
+    if (id && strlen(id) > 0) {
+        strncpy(m_id, id, sizeof(m_id) - 1);
+        return;
+    }
+
     uv_interface_address_t *interfaces;
     int count = 0;
 
@@ -160,11 +164,13 @@ void ApiRouter::genId()
         if (!interfaces[i].is_internal && interfaces[i].address.address4.sin_family == AF_INET) {
             uint8_t hash[200];
             const size_t addrSize = sizeof(interfaces[i].phys_addr);
-            const size_t inSize   = strlen(APP_KIND) + addrSize;
+            const size_t inSize   = strlen(APP_KIND) + addrSize + sizeof(uint16_t);
+            const uint16_t port   = static_cast<uint16_t>(m_controller->config()->apiPort());
 
             uint8_t *input = new uint8_t[inSize]();
-            memcpy(input, interfaces[i].phys_addr, addrSize);
-            memcpy(input + addrSize, APP_KIND, strlen(APP_KIND));
+            memcpy(input, &port, sizeof(uint16_t));
+            memcpy(input + sizeof(uint16_t), interfaces[i].phys_addr, addrSize);
+            memcpy(input + sizeof(uint16_t) + addrSize, APP_KIND, strlen(APP_KIND));
 
             xmrig::keccak(input, inSize, hash);
             Job::toHex(hash, 8, m_id);

src/api/ApiRouter.h

@@ -56,7 +56,7 @@ protected:
 
 private:
     void finalize(xmrig::HttpReply &reply, rapidjson::Document &doc) const;
-    void genId();
+    void genId(const char *id);
     void getConnection(rapidjson::Document &doc) const;
     void getHashrate(rapidjson::Document &doc) const;
     void getIdentify(rapidjson::Document &doc) const;
@@ -66,7 +66,7 @@ private:
     void setWorkerId(const char *id);
     void updateWorkerId(const char *id, const char *previousId);
 
-    char m_id[17];
+    char m_id[32];
     char m_workerId[128];
     NetworkState m_network;
     xmrig::Controller *m_controller;

src/core/Config.cpp

@@ -75,6 +75,7 @@ void xmrig::Config::getJSON(rapidjson::Document &doc) const
     Value api(kObjectType);
     api.AddMember("port",         apiPort(), allocator);
     api.AddMember("access-token", apiToken() ? Value(StringRef(apiToken())).Move() : Value(kNullType).Move(), allocator);
+    api.AddMember("id",           apiId() ? Value(StringRef(apiId())).Move() : Value(kNullType).Move(), allocator);
     api.AddMember("worker-id",    apiWorkerId() ? Value(StringRef(apiWorkerId())).Move() : Value(kNullType).Move(), allocator);
     api.AddMember("ipv6",         isApiIPv6(), allocator);
     api.AddMember("restricted",   isApiRestricted(), allocator);

src/core/ConfigLoader_platform.h

@@ -22,8 +22,8 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef __CONFIGLOADER_PLATFORM_H__
-#define __CONFIGLOADER_PLATFORM_H__
+#ifndef XMRIG_CONFIGLOADER_PLATFORM_H
+#define XMRIG_CONFIGLOADER_PLATFORM_H
 
 
 #ifdef _MSC_VER
@@ -86,6 +86,7 @@ Options:\n\
       --api-port=N         port for the miner API\n\
       --api-access-token=T access token for API\n\
       --api-worker-id=ID   custom worker-id for API\n\
+      --api-id=ID          custom instance ID for API\n\
       --api-ipv6           enable IPv6 support for API\n\
       --api-no-restricted  enable full remote access (only if API token set)\n\
   -h, --help               display this help and exit\n\
@@ -101,6 +102,7 @@ static struct option const options[] = {
     { "api-access-token",  1, nullptr, xmrig::IConfig::ApiAccessTokenKey },
     { "api-port",          1, nullptr, xmrig::IConfig::ApiPort           },
     { "api-worker-id",     1, nullptr, xmrig::IConfig::ApiWorkerIdKey    },
+    { "api-id",            1, nullptr, xmrig::IConfig::ApiIdKey          },
     { "api-ipv6",          0, nullptr, xmrig::IConfig::ApiIPv6Key        },
     { "api-no-restricted", 0, nullptr, xmrig::IConfig::ApiRestrictedKey  },
     { "av",                1, nullptr, xmrig::IConfig::AVKey             },
@@ -131,7 +133,7 @@ static struct option const options[] = {
     { "userpass",          1, nullptr, xmrig::IConfig::UserpassKey       },
     { "rig-id",            1, nullptr, xmrig::IConfig::RigIdKey          },
     { "version",           0, nullptr, xmrig::IConfig::VersionKey        },
-    { 0, 0, 0, 0 }
+    { nullptr,             0, nullptr, 0 }
 };
 
 
@@ -155,7 +157,7 @@ static struct option const config_options[] = {
     { "threads",       1, nullptr, xmrig::IConfig::ThreadsKey     },
     { "user-agent",    1, nullptr, xmrig::IConfig::UserAgentKey   },
     { "hw-aes",        0, nullptr, xmrig::IConfig::HardwareAESKey },
-    { 0, 0, 0, 0 }
+    { nullptr,         0, nullptr, 0 }
 };
 
 
@@ -168,7 +170,7 @@ static struct option const pool_options[] = {
     { "keepalive",     2, nullptr, xmrig::IConfig::KeepAliveKey  },
     { "variant",       1, nullptr, xmrig::IConfig::VariantKey    },
     { "rig-id",        1, nullptr, xmrig::IConfig::RigIdKey      },
-    { 0, 0, 0, 0 }
+    { nullptr,         0, nullptr, 0 }
 };
 
 
@@ -178,10 +180,11 @@ static struct option const api_options[] = {
     { "worker-id",     1, nullptr, xmrig::IConfig::ApiWorkerIdKey    },
     { "ipv6",          0, nullptr, xmrig::IConfig::ApiIPv6Key        },
     { "restricted",    0, nullptr, xmrig::IConfig::ApiRestrictedKey  },
-    { 0, 0, 0, 0 }
+    { "id",            1, nullptr, xmrig::IConfig::ApiIdKey          },
+    { nullptr,         0, nullptr, 0 }
 };
 
 
 } /* namespace xmrig */
 
-#endif /* __CONFIGLOADER_PLATFORM_H__ */
+#endif /* XMRIG_CONFIGLOADER_PLATFORM_H */