send tasks

include/common/capability.h

@@ -0,0 +1,12 @@
+#ifndef CAPABILITY_H
+#define CAPABILITY_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct {
+    char name[32];
+    bool supported;
+} capability_t;
+
+#endif

include/common/dynarr.h

@@ -54,4 +54,4 @@ void DynArr_destroy(DynArr* p);
 
 #define DYNARR_CREATE(T, initialCapacity) DynArr_create(sizeof(T), initialCapacity)
 
-#endif
+#endif

include/common/dynset.h

@@ -0,0 +1,20 @@
+#ifndef DYNSET_H
+#define DYNSET_H
+
+#include <common/dynarr.h>
+
+// Dynamic Set structure - basically DynArr with uniqueness enforced
+typedef struct {
+    DynArr* arr;
+} DynSet;
+
+// Function prototypes
+DynSet* DynSet_Create(size_t elemSize);
+void DynSet_Destroy(DynSet* set);
+int DynSet_Insert(DynSet* set, const void* element);
+int DynSet_Contains(DynSet* set, const void* element);
+size_t DynSet_Size(DynSet* set);
+void* DynSet_Get(DynSet* set, size_t index);
+void DynSet_Remove(DynSet* set, const void* element);
+
+#endif

include/common/numgen.h

@@ -7,6 +7,8 @@
 #include <string.h>
 
 unsigned char random_byte(void);
+uint16_t random_two_byte(void);
 uint32_t random_four_byte(void);
+uint64_t random_eight_byte(void);
 
-#endif
+#endif

include/common/packettype.h

@@ -0,0 +1,15 @@
+#ifndef PACKETTYPE_H
+#define PACKETTYPE_H
+
+typedef enum {
+    PACKET_TYPE_NONE = 0,
+    PACKET_TYPE_HELLO = 1,
+    PACKET_TYPE_TASK_ASSIGN = 2,
+    PACKET_TYPE_TASK_RESULT = 3,
+    PACKET_TYPE_STATUS_UPDATE = 4,
+    PACKET_TYPE_CLIENT_CAPABILITIES = 5,
+    PACKET_TYPE_TASK_REQUEST = 6,
+    PACKET_TYPE_MISSING_INFO = 7
+} PacketType;
+
+#endif

include/common/task/task.h

@@ -38,9 +38,10 @@ typedef struct {
     task_state_t state;
     uint32_t assigned_to;
     time_t assigned_at;
+    DynArr* results;
 } task_t;
 
 void Task_Create(task_t* tsk);
 void Task_DestroyArgs(task_t* task);
 
-#endif
+#endif

include/common/tcpd/tcpclient.h

@@ -7,6 +7,7 @@
 #include <arpa/inet.h>
 #include <pthread.h>
 #include <stdint.h>
+#include <common/dynarr.h>
 
 #define MTU 1500
 
@@ -15,13 +16,16 @@ struct TcpClient {
     struct sockaddr_in clientAddr;
     uint32_t clientId;
 
-    unsigned char dataBuf[MTU]; 
+    unsigned char dataBuf[MTU];
+    ssize_t dataBufLen; 
     void (*on_data)(struct TcpClient* client);
     void (*on_disconnect)(struct TcpClient* client);
 
+    DynArr* capabilities;
+
     pthread_t clientThread;
 };
 
 typedef struct TcpClient TcpClient;
 
-#endif
+#endif

include/common/tcpd/tcpserver.h

@@ -12,6 +12,8 @@
 
 #include <common/tcpd/tcpclient.h>
 #include <common/numgen.h>
+#include <common/dynarr.h>
+#include <common/capability.h>
 
 typedef struct {
     int sockFd;
@@ -51,4 +53,4 @@ void TcpServer_KillClient(TcpServer* ptr, TcpClient* cli);
 
 size_t Generic_FindClientInArrayByPtr(TcpClient** arr, TcpClient* ptr, size_t len);
 
-#endif
+#endif

include/server/info.h

@@ -0,0 +1,10 @@
+#ifndef INFO_H
+#define INFO_H
+
+#include <stdint.h>
+
+#define SERVER_HELLO_PACKET_SIZE 17 // 1 byte version + 16 byte identifier
+const uint8_t SERVER_INFO_VERSION = 1;
+const char SERVER_INFO_IDENTIFIER[16] = "EXAMPLE_SERVER\0";
+
+#endif

include/server/task/taskqueue.h

@@ -14,4 +14,4 @@ void TaskQueue_AddTask(task_queue_t* queue, task_t* task);
 void TaskQueue_RemoveTask(task_queue_t* queue, size_t idx);
 void TaskQueue_RemoveTaskByPtr(task_queue_t* queue, task_t* task);
 
-#endif
+#endif