Got it to build.

CMakeLists.txt

@@ -1,9 +1,28 @@
-include_directories(storage-manager/include)
+cmake_minimum_required(VERSION 2.8.12)
 
-set(storagemanager_SRCS main.cpp SessionManager.cpp)
+include_directories(include)
+
+set(storagemanager_SRCS 
+    src/AppendTask.cpp
+    src/ClientRequestProcessor.cpp
+    src/ListDirectoryTask.cpp
+    src/OpenTask.cpp
+    src/PingTask.cpp
+    src/PosixTask.cpp
+    src/ProcessTask.cpp
+    src/ReadTask.cpp
+    src/StatTask.cpp
+    src/ThreadPool.cpp
+    src/TruncateTask.cpp
+    src/UnlinkTask.cpp
+    src/WriteTask.cpp
+    main.cpp 
+#    SessionManager.cpp
+)
 
 add_executable(StorageManager ${storagemanager_SRCS})
+target_link_libraries(StorageManager boost_system boost_thread)
 
-//install(TARGETS StorageManager DESTINATION ${ENGINE_BINDIR} COMPONENT platform)
+#install(TARGETS StorageManager DESTINATION ${ENGINE_BINDIR} COMPONENT platform)
 
 

src/AppendTask.cpp

@@ -1,5 +1,6 @@
 
 #include "AppendTask.h"
+#include <errno.h>
 
 using namespace std;
 
@@ -17,10 +18,12 @@ AppendTask::~AppendTask()
 #define check_error(msg) \
     if (!success) \
     { \
-        handleError(msg); \
+        handleError(msg, errno); \
         return; \
     }
     
+#define min(x, y) (x < y ? x : y)
+
 void AppendTask::run()
 {
     bool success;
@@ -28,7 +31,7 @@ void AppendTask::run()
 
     success = read(cmdbuf, sizeof(struct cmd_overlay));
     check_error("AppendTask read");
-    cmd_overlay *cmd = cmdbuf;
+    cmd_overlay *cmd = (cmd_overlay *) cmdbuf;
     
     success = read(&cmdbuf[sizeof(*cmd)], min(cmd->filename_len, 1024 - sizeof(*cmd) - 1));
     check_error("AppendTask read");

src/AppendTask.h

@@ -8,7 +8,7 @@
 namespace storagemanager
 {
 
-class AppendTask : PosixTask
+class AppendTask : public PosixTask
 {
     public:
         AppendTask(int sock, uint length);

src/ClientRequestProcessor.cpp

@@ -1,6 +1,8 @@
 
 
 #include "ClientRequestProcessor.h"
+#include "ProcessTask.h"
+#include <sys/types.h>
 
 namespace storagemanager
 {
@@ -13,9 +15,9 @@ ClientRequestProcessor::~ClientRequestProcessor()
 {
 }
 
-ClientRequestProcessor::processRequest(int sock)
+void ClientRequestProcessor::processRequest(int sock, uint len)
 {
-    ProcessTask t(sock);
+    ProcessTask t(sock, len);
     threadPool.addJob(t);
 }
 

src/ClientRequestProcessor.h

@@ -1,5 +1,9 @@
 
+#ifndef CLIENTREQUESTPROCESSOR_H_
+#define CLIENTREQUESTPROCESSOR_H_
+
 #include "ThreadPool.h"
+#include <sys/types.h>
 
 
 namespace storagemanager
@@ -11,12 +15,12 @@ class ClientRequestProcessor : public boost::noncopyable
         ClientRequestProcessor();
         virtual ~ClientRequestProcessor();
         
-        void processRequest(int sock);
+        void processRequest(int sock, uint len);
         
     private:
         ThreadPool threadPool;
-
-
 };
 
 }
+
+#endif

src/ListDirectoryTask.cpp

@@ -1,5 +1,8 @@
 
 #include "ListDirectoryTask.h"
+#include "messageFormat.h"
+#include <errno.h>
+#include <string.h>
 
 using namespace std;
 
@@ -28,7 +31,9 @@ ListDirectoryTask::~ListDirectoryTask()
         return false; \
     }
     
-bool ListDirectoryTask::writeString(uint8_t buf, int *offset, int size, const string &str)
+#define min(x, y) (x < y ? x : y)
+
+bool ListDirectoryTask::writeString(uint8_t *buf, int *offset, int size, const string &str)
 {
     bool success;
     if (size - *offset < 4)   // eh, let's not frag 4 bytes.
@@ -85,10 +90,10 @@ void ListDirectoryTask::run()
     buf32[0] = SM_MSG_START;
     buf32[1] = payloadLen;
     
-    int offset = 8;
+    int offset = SM_HEADER_LEN;
     for (uint i = 0; i < listing.size(); i++)
     {
-        success = writeString(buf, &offset, 1024, listing);
+        success = writeString(buf, &offset, 1024, listing[i]);
         check_error("ListDirectoryTask write");
     }
         

src/ListDirectoryTask.h

@@ -3,6 +3,7 @@
 #define LIST_DIRECTORYTASK_H_
 
 #include "PosixTask.h"
+#include <string>
 
 namespace storagemanager
 {
@@ -18,7 +19,7 @@ class ListDirectoryTask : public PosixTask
     private:
         ListDirectoryTask();
         
-        void writeString(uint8_t buf, int *offset, int size, const std::string &str);
+        bool writeString(uint8_t *buf, int *offset, int size, const std::string &str);
         struct cmd_overlay {
             uint plen;
             char path[];

src/OpenTask.cpp

@@ -1,7 +1,10 @@
 
 
 #include "OpenTask.h"
+#include "messageFormat.h"
 #include <sys/stat.h>
+#include <errno.h>
+#include <string.h>
 
 using namespace std;
 
@@ -12,6 +15,10 @@ OpenTask::OpenTask(int sock, uint len) : PosixTask(sock, len)
 {
 }
 
+OpenTask::~OpenTask()
+{
+}
+
 void OpenTask::run()
 {
     /*
@@ -20,16 +27,15 @@ void OpenTask::run()
         return the result
     */
     bool success;
-    uint8_t *buf;
+    uint8_t buf[1024] = {0};
     
-    if (getLength() > 1024)
+    if (getLength() > 1023)
     {
         handleError("OpenTask read", ENAMETOOLONG);
         return;
     }
     
-    buf = alloca(getLength());
-    success = read(&buf, getLength());
+    success = read(buf, getLength());
     if (!success)
     {
         handleError("OpenTask read", errno);
@@ -38,12 +44,13 @@ void OpenTask::run()
     
     cmd_overlay *cmd = (cmd_overlay *) buf;
     
-    // IOC->open(filename, openmode, &buf[SM_HEADER_LEN])
+    // IOC->open(cmd->filename, cmd->openmode, &buf[SM_HEADER_LEN])
     
     // stand-in dummy response
     uint32_t *buf32 = (uint32_t *) buf;
     buf32[0] = SM_MSG_START;
     buf32[1] = sizeof(struct stat);
+    memset(&buf[SM_HEADER_LEN], 0, sizeof(struct stat));
     success = write(buf, sizeof(struct stat) + SM_HEADER_LEN);
     if (!success)
         handleError("OpenTask write", errno);

src/PingTask.cpp

@@ -1,5 +1,6 @@
 
 #include "PingTask.h"
+#include "messageFormat.h"
 
 namespace storagemanager
 {
@@ -18,3 +19,5 @@ void PingTask::run()
     uint32_t buf[3] = { SM_MSG_START, 4, 0 };    // generic success response
     write((uint8_t *) buf, 12);
 }
+
+}

src/PingTask.h

@@ -8,7 +8,7 @@
 namespace storagemanager
 {
 
-class PingTask : PosixTask
+class PingTask : public PosixTask
 {
     public:
         PingTask(int sock, uint length);

src/PosixTask.cpp

@@ -1,7 +1,14 @@
 
 #include "PosixTask.h"
+#include "messageFormat.h"
+#include <iostream>
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <string.h>
+
+#define min(x, y) (x < y ? x : y)
+
+using namespace std;
 
 namespace storagemanager
 {
@@ -19,7 +26,7 @@ PosixTask::PosixTask(int _sock, uint _length) :
 
 PosixTask::~PosixTask()
 {
-    comsumeMsg();
+    consumeMsg();
     if (!socketReturned)
         returnSocket();
 }
@@ -29,12 +36,12 @@ void PosixTask::handleError(const char *name, int errCode)
     char buf[80];
     
     // send an error response if possible
-    int32_t *buf32;
+    int32_t *buf32 = (int32_t *) buf;
     buf32[0] = SM_MSG_START;
     buf32[1] = 8;
     buf32[2] = -1;
     buf32[3] = errCode;
-    write(buf32, 16);
+    write((uint8_t *) buf, 16);
     
     // TODO: construct and log a message
     cout << name << " caught an error reading from a socket: " << strerror_r(errCode, buf, 80) << endl;
@@ -66,7 +73,6 @@ bool PosixTask::read(uint8_t *buf, uint length)
 {
     if (length > remainingLengthForCaller)
         length = remainingLengthForCaller;
-    
     if (length == 0)
         return false;
     
@@ -124,13 +130,13 @@ void PosixTask::primeBuffer()
         {
             // debating whether it is more efficient to use a circular buffer + more
             // recv's, or to move data to reduce the # of recv's.  WAG: moving data.
-            memmove(buffer, &buffer[bufferPos], bufferLen - bufferPos);
+            memmove(localBuffer, &localBuffer[bufferPos], bufferLen - bufferPos);
             bufferLen -= bufferPos;
             bufferPos = 0;
         }
         
         uint toRead = min(remainingLengthInStream, bufferSize - bufferLen);
-        err = ::recv(sock, &localBuffer[bufferLen], toRead, MSG_NOBLOCK);
+        int err = ::recv(sock, &localBuffer[bufferLen], toRead, MSG_DONTWAIT);
         // ignoring errors here since this is supposed to be silent.
         // errors will be caught by the next read
         if (err > 0) 
@@ -141,14 +147,14 @@ void PosixTask::primeBuffer()
     }
 }
 
-bool PosixTask::write(uint8_t *buf, uint len)
+bool PosixTask::write(const uint8_t *buf, uint len)
 {
     int err;
     uint count = 0;
     
     while (count < len)
     {
-        err = ::write(sock, &buf[count], len - count);
+        err = ::send(sock, &buf[count], len - count, 0);
         if (err < 0)
             return false;
         count += err;
@@ -172,7 +178,7 @@ void PosixTask::consumeMsg()
     
     while (remainingLengthInStream > 0)
     {
-        err = ::read(sock, buf, min(remainingLengthInStream, 1024));
+        err = ::recv(sock, buf, min(remainingLengthInStream, 1024), 0);
         if (err <= 0) {
             remainingLengthInStream = 0;
             break;

src/PosixTask.h

@@ -4,6 +4,11 @@
 #define POSIX_TASK_H_
 
 #include <vector>
+#include <sys/types.h>
+#include <stdint.h>
+
+namespace storagemanager
+{
 
 class PosixTask
 {
@@ -15,9 +20,9 @@ class PosixTask
         void primeBuffer();
         
     protected:
-        int read(uint8_t *buf, uint length);
+        bool read(uint8_t *buf, uint length);
         bool write(const std::vector<uint8_t> &buf);
-        bool write(void *buf, uint length);
+        bool write(const uint8_t *buf, uint length);
         void consumeMsg();   // drains the remaining portion of the message
         uint getLength();  // returns the total length of the msg
         uint getRemainingLength();   // returns the remaining length from the caller's perspective
@@ -39,9 +44,5 @@ class PosixTask
         bool socketReturned;
 };
 
-
-
-
-
-
+}
 #endif

src/ProcessTask.cpp

@@ -1,24 +1,40 @@
 
 #include "ProcessTask.h"
 #include <vector>
+#include <iostream>
+#include "messageFormat.h"
+
+#include "AppendTask.h"
+#include "ListDirectoryTask.h"
+#include "OpenTask.h"
+#include "PingTask.h"
+#include "ReadTask.h"
+#include "StatTask.h"
+#include "TruncateTask.h"
+#include "UnlinkTask.h"
+#include "WriteTask.h"
 
 using namespace std;
 
 namespace storagemanager
 {
 
-ProcessTask::ProcessTask(int _sock, uint _length) : sock(_sock), length(_length)
+ProcessTask::ProcessTask(int _sock, uint _length) : sock(_sock), length(_length), returnedSock(false)
 {
     assert(length > 0);
 }
 
 ProcessTask::~ProcessTask()
 {
+    if (!returnedSock)
+        ;   // SM->returnSocket(sock);
 }
 
 void ProcessTask::handleError(int saved_errno)
 {
     // return sock to SessionManager
+    // SM->socketError(sock);
+    returnedSock = true;
     char buf[80];
     cout << "ProcessTask: got an error during a socket read: " << strerror_r(saved_errno, buf, 80) << endl;
 }

src/ProcessTask.h

@@ -3,10 +3,12 @@
 #ifndef PROCESS_TASK_H_
 #define PROCESS_TASK_H_
 
+#include "ThreadPool.h"
+
 namespace storagemanager
 {
 
-class ProcessTask
+class ProcessTask : public ThreadPool::Job
 {
     public:
         ProcessTask(int sock, uint length);   // _sock is the socket to read from
@@ -17,9 +19,10 @@ class ProcessTask
     private:
         ProcessTask();
         
-        void handleError();
+        void handleError(int errCode);
         int sock;
         uint length;
+        bool returnedSock;
 };
 
 

src/ReadTask.cpp

@@ -1,5 +1,7 @@
 
 #include "ReadTask.h"
+#include "messageFormat.h"
+#include <errno.h>
 
 using namespace std;
 
@@ -16,24 +18,24 @@ ReadTask::~ReadTask()
 
 void ReadTask::run()
 {
+    uint8_t buf[1024] = {0};
 
     // get the parameters
-    if (getLength() > 1024) {
+    if (getLength() > 1023) {
         handleError("ReadTask read", EFAULT);
         return;
     }
     
     bool success;
-    uint8_t *buf = alloca(getLength());
-    success = read(&buf, getLength());
+    success = read(buf, getLength());
     cmd_overlay *cmd = (cmd_overlay *) buf;
     
     // read from IOC, write to the socket
     vector<uint8_t> outbuf;
-    outbuf.resize(count + SM_HEADER_LEN);
+    outbuf.resize(cmd->count + SM_HEADER_LEN);
     uint32_t *outbuf32 = (uint32_t *) &outbuf[0];
     outbuf32[0] = SM_MSG_START;
-    outbuf32[1] = length;
+    outbuf32[1] = cmd->count;
     
     // do the reading and writing in chunks
     // IOC->willRead(filename, offset, length);

src/ReadTask.h

@@ -8,7 +8,7 @@
 namespace storagemanager
 {
 
-class ReadTask : PosixTask
+class ReadTask : public PosixTask
 {
     public:
         ReadTask(int sock, uint length);

src/StatTask.cpp

@@ -1,5 +1,11 @@
 
 #include "StatTask.h"
+#include "messageFormat.h"
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdint.h>
+#include <string.h>
 
 using namespace std;
 
@@ -14,6 +20,13 @@ StatTask::~StatTask()
 {
 }
 
+#define check_error(msg) \
+    if (!success) \
+    { \
+        handleError(msg, errno); \
+        return; \
+    }
+
 void StatTask::run()
 {
     bool success;
@@ -39,3 +52,6 @@ void StatTask::run()
     memcpy(&buf[SM_HEADER_LEN], &_stat, sizeof(_stat));
     write(buf, SM_HEADER_LEN + sizeof(_stat));
 }
+
+}
+

src/ThreadPool.cpp

@@ -2,7 +2,7 @@
 
 
 #include "ThreadPool.h"
-#include <boost/thread/locks.hpp>
+#include <boost/thread/mutex.hpp>
 
 using namespace std;
 
@@ -22,7 +22,7 @@ ThreadPool::ThreadPool(uint num_threads) : maxThreads(num_threads), die(false),
 
 ThreadPool::~ThreadPool()
 {
-    boost::mutex::unique_lock s(m);
+    boost::mutex::scoped_lock s(m);
     die = true;
     jobs.clear();
     jobAvailable.notify_all();
@@ -34,12 +34,11 @@ ThreadPool::~ThreadPool()
 
 void ThreadPool::addJob(Job &j)
 {
-    
-    boost::mutex::unique_lock s(m);
+    boost::mutex::scoped_lock s(m);
     jobs.push_back(j);
     // Start another thread if necessary
     if (threadsWaiting == 0 && threads.size() < maxThreads) {
-        boost::scoped_ptr<boost::thread> thread(new boost::thread(processingLoop));
+        boost::shared_ptr<boost::thread> thread(new boost::thread(Runner(this)));
         threads.push_back(thread);
     }
     else
@@ -48,7 +47,7 @@ void ThreadPool::addJob(Job &j)
 
 void ThreadPool::processingLoop()
 {
-    boost::mutex::scoped_lock s(m, boost::defer_lock_t);
+    boost::mutex::scoped_lock s(m, boost::defer_lock);
     
     while (!die)
     {

src/ThreadPool.h

@@ -5,31 +5,36 @@
 #include <list>
 #include <deque>
 #include <boost/thread.hpp>
-//#include <boost/thread/mutex.hpp>
+#include <boost/thread/condition.hpp>
 #include <boost/utility.hpp>
 
 namespace storagemanager
 {
 
-typedef boost::function0<void> Job;
-
 class ThreadPool : public boost::noncopyable
 {
     public:
         ThreadPool();    // this ctor uses an 'unbounded' # of threads; relies on the context for a natural max.
         ThreadPool(uint num_threads);   // this ctor lets caller specify a limit.
-        virtual ~Threadpool();
+        virtual ~ThreadPool();
         
-        // doesn't block
+        // addJob doesn't block
+        typedef boost::function0<void> Job;
         void addJob(Job &j);
 
     private:
+        struct Runner {
+            Runner(ThreadPool *t) : tp(t) { }
+            void operator()() { tp->processingLoop(); }
+            ThreadPool *tp;
+        };
+        
         void processingLoop();   // the fcn run by each thread
     
         uint maxThreads;
         bool die;
         int threadsWaiting;
-        std::vector<boost::scoped_ptr<boost:thread> > threads;
+        std::vector<boost::shared_ptr<boost::thread> > threads;
         boost::condition jobAvailable;
         std::deque<Job> jobs;
         boost::mutex m;

src/TruncateTask.cpp

@@ -1,5 +1,7 @@
 
 #include "TruncateTask.h"
+#include <errno.h>
+#include "messageFormat.h"
 
 using namespace std;
 
@@ -14,6 +16,13 @@ TruncateTask::~TruncateTask()
 {
 }
 
+#define check_error(msg) \
+    if (!success) \
+    { \
+        handleError(msg, errno); \
+        return; \
+    }
+
 void TruncateTask::run()
 {
     bool success;
@@ -31,9 +40,11 @@ void TruncateTask::run()
     // IOC->truncate(cmd->filename, cmd->newSize);
     
     // generic success msg
-    uint32_t *buf32 = buf;
+    uint32_t *buf32 = (uint32_t *) buf;
     buf32[0] = SM_MSG_START;
     buf32[1] = 4;
     buf32[2] = 0;
     write(buf, 12);
 }
+
+}

src/UnlinkTask.cpp

@@ -1,5 +1,7 @@
 
 #include "UnlinkTask.h"
+#include <errno.h>
+#include "messageFormat.h"
 
 using namespace std;
 
@@ -14,6 +16,14 @@ UnlinkTask::~UnlinkTask()
 {
 }
 
+#define check_error(msg) \
+    if (!success) \
+    { \
+        handleError(msg, errno); \
+        return; \
+    }
+
+
 void UnlinkTask::run()
 {
     bool success;
@@ -31,9 +41,11 @@ void UnlinkTask::run()
     // IOC->unlink(cmd->filename);
     
     // generic success msg
-    uint32_t *buf32 = buf;
+    uint32_t *buf32 = (uint32_t *) buf;
     buf32[0] = SM_MSG_START;
     buf32[1] = 4;
     buf32[2] = 0;
     write(buf, 12);
 }
+
+}

src/WriteTask.cpp

@@ -1,5 +1,6 @@
 
 #include "WriteTask.h"
+#include <errno.h>
 
 using namespace std;
 
@@ -21,6 +22,8 @@ WriteTask::~WriteTask()
         return; \
     }
 
+#define min(x, y) (x < y ? x : y)
+
 void WriteTask::run()
 {
     bool success;
@@ -28,7 +31,7 @@ void WriteTask::run()
 
     success = read(cmdbuf, sizeof(struct cmd_overlay));
     check_error("WriteTask read");
-    cmd_overlay *cmd = cmdbuf;
+    cmd_overlay *cmd = (cmd_overlay *) cmdbuf;
     
     success = read(&cmdbuf[sizeof(*cmd)], min(cmd->filename_len, 1024 - sizeof(*cmd) - 1));
     check_error("WriteTask read");

src/WriteTask.h

@@ -8,7 +8,7 @@
 namespace storagemanager
 {
 
-class WriteTask : PosixTask
+class WriteTask : public PosixTask
 {
     public:
         WriteTask(int sock, uint length);