From: Sage Weil <sage@newdream.net>
Date: Fri, 17 Jul 2009 21:03:46 +0000 (-0700)
Subject: hypertable: few cleanups
X-Git-Tag: v0.11~57
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=1e27485882fb0f3f4397536d9b3ef2ff885da4b7;p=ceph.git

hypertable: few cleanups
---

diff --git a/src/client/hypertable/CephBroker.cc b/src/client/hypertable/CephBroker.cc
index cef2225d5edc..2432e9a6f0ae 100644
--- a/src/client/hypertable/CephBroker.cc
+++ b/src/client/hypertable/CephBroker.cc
@@ -36,32 +36,32 @@ CephBroker::CephBroker(PropertiesPtr& cfg) {
   m_verbose = cfg->get_bool("Hypertable.Verbose");
   m_root_dir = "";
   //construct an arguments array
-  const char *argv[3];
-  argv[0] = "cephBroker";
-  argv[1] = "-m";
-  argv[2] = (cfg->get_str("CephBroker.MonAddr").c_str());
+  const char *argv[10];
+  int argc = 0;
+  argv[argc++] = "cephBroker";
+  argv[argc++] = "-m";
+  argv[argc++] = (cfg->get_str("CephBroker.MonAddr").c_str());
   /*
-For Ceph debugging, uncomment these lines, fix argv/c sizes,
-and set debugging to desired level.
-  argv[3] = "--debug_client";
-  argv[4] = "0";
-  argv[5] = "--debug_ms";
-  argv[6] = "0";
-  argv[7] = "--lockdep";
-  argv[8] = "0"; */
+  // For Ceph debugging, uncomment these lines
+  argv[argc++] = "--debug_client";
+  argv[argc++] = "0";
+  argv[argc++] = "--debug_ms";
+  argv[argc++] = "0";
+  argv[argc++] = "--lockdep";
+  argv[argc++] = "0"; */
 
   HT_INFO("Calling ceph_initialize");
-  ceph_initialize(3, argv);
+  ceph_initialize(argc++, argv);
   HT_INFO("Calling ceph_mount");
   ceph_mount();
   HT_INFO("Returning from constructor");
 }
 
-CephBroker::~CephBroker(){
+CephBroker::~CephBroker() {
   ceph_deinitialize();
 }
 
-void CephBroker::open(ResponseCallbackOpen *cb, const char *fname, uint32_t bufsz){
+void CephBroker::open(ResponseCallbackOpen *cb, const char *fname, uint32_t bufsz) {
   int fd, ceph_fd;
   String abspath;
   HT_DEBUGF("open file='%s' bufsz=%d", fname, bufsz);
@@ -89,7 +89,7 @@ void CephBroker::open(ResponseCallbackOpen *cb, const char *fname, uint32_t bufs
 }
 
 void CephBroker::create(ResponseCallbackOpen *cb, const char *fname, bool overwrite,
-       int32_t bufsz, int16_t replication, int64_t blksz){
+			int32_t bufsz, int16_t replication, int64_t blksz){
   int fd, ceph_fd;
   int flags;
   String abspath;
@@ -100,7 +100,7 @@ void CephBroker::create(ResponseCallbackOpen *cb, const char *fname, bool overwr
 
   fd = atomic_inc_return(&ms_next_fd);
 
-  if(overwrite)
+  if (overwrite)
     flags = O_WRONLY | O_CREAT | O_TRUNC;
   else
     flags = O_WRONLY | O_CREAT | O_APPEND;
@@ -146,7 +146,7 @@ void CephBroker::close(ResponseCallback *cb, uint32_t fd) {
   cb->response_ok();
 }
 
-void CephBroker::read(ResponseCallbackRead *cb, uint32_t fd, uint32_t amount){
+void CephBroker::read(ResponseCallbackRead *cb, uint32_t fd, uint32_t amount) {
   OpenFileDataCephPtr fdata;
   ssize_t nread;
   uint64_t offset;
@@ -154,7 +154,7 @@ void CephBroker::read(ResponseCallbackRead *cb, uint32_t fd, uint32_t amount){
 
   HT_DEBUGF("read fd=%d amount = %d", fd, amount);
 
-  if(!m_open_file_map.get(fd, fdata)) {
+  if (!m_open_file_map.get(fd, fdata)) {
     char errbuf[32];
     sprintf(errbuf, "%d", fd);
     cb->error(Error::DFSBROKER_BAD_FILE_HANDLE, errbuf);
@@ -162,13 +162,13 @@ void CephBroker::read(ResponseCallbackRead *cb, uint32_t fd, uint32_t amount){
     return;
   }
 
-  if((offset = ceph_lseek(fdata->fd, 0, SEEK_CUR)) < 0) {
+  if ((offset = ceph_lseek(fdata->fd, 0, SEEK_CUR)) < 0) {
     HT_ERRORF("lseek failed: fd=%d ceph_fd=%d offset=0 SEEK_CUR - %s", fd, fdata->fd, strerror(-offset));
     report_error(cb, offset);
     return;
   }
 
-  if ((nread=ceph_read(fdata->fd, (char *)buf.base, amount)) < 0 ) {
+  if ((nread = ceph_read(fdata->fd, (char *)buf.base, amount)) < 0 ) {
     HT_ERRORF("read failed: fd=%d ceph_fd=%d amount=%d", fd, fdata->fd, amount);
     report_error(cb, -nread);
     return;
@@ -179,14 +179,14 @@ void CephBroker::read(ResponseCallbackRead *cb, uint32_t fd, uint32_t amount){
 }
 
 void CephBroker::append(ResponseCallbackAppend *cb, uint32_t fd,
-		    uint32_t amount, const void *data, bool sync)
+			uint32_t amount, const void *data, bool sync)
 {
   OpenFileDataCephPtr fdata;
   ssize_t nwritten;
   uint64_t offset;
 
-  HT_DEBUG_OUT <<"append fd="<< fd <<" amount="<< amount <<" data='"
-      << format_bytes(20, data, amount) <<" sync="<< sync << HT_END;
+  HT_DEBUG_OUT << "append fd="<< fd <<" amount="<< amount <<" data='"
+	       << format_bytes(20, data, amount) <<" sync="<< sync << HT_END;
 
   if (!m_open_file_map.get(fd, fdata)) {
     char errbuf[32];
@@ -210,7 +210,7 @@ void CephBroker::append(ResponseCallbackAppend *cb, uint32_t fd,
   }
 
   int r;
-  if (sync &&( (r=ceph_fsync(fdata->fd, true)) != 0)) {
+  if (sync && ((r = ceph_fsync(fdata->fd, true)) != 0)) {
     HT_ERRORF("flush failed: fd=%d ceph_fd=%d - %s", fd, fdata->fd, strerror(errno));
     report_error(cb, r);
     return;
@@ -218,7 +218,8 @@ void CephBroker::append(ResponseCallbackAppend *cb, uint32_t fd,
 
   cb->response(offset, nwritten);
 }
-void CephBroker::seek(ResponseCallback *cb, uint32_t fd, uint64_t offset){
+
+void CephBroker::seek(ResponseCallback *cb, uint32_t fd, uint64_t offset) {
   OpenFileDataCephPtr fdata;
 
   HT_DEBUGF("seek fd=%lu offset=%llu", (Lu)fd, (Llu)offset);
@@ -248,7 +249,7 @@ void CephBroker::remove(ResponseCallback *cb, const char *fname) {
   make_abs_path(fname, abspath);
   
   int r;
-  if((r=ceph_unlink(abspath.c_str())) < 0) {
+  if ((r = ceph_unlink(abspath.c_str())) < 0) {
     HT_ERRORF("unlink failed: file='%s' - %s", abspath.c_str(), strerror(-r));
     report_error(cb, r);
     return;
@@ -256,7 +257,7 @@ void CephBroker::remove(ResponseCallback *cb, const char *fname) {
   cb->response_ok();
 }
 
-void CephBroker::length(ResponseCallbackLength *cb, const char *fname){
+void CephBroker::length(ResponseCallbackLength *cb, const char *fname) {
   int r;
   struct stat statbuf;
 
@@ -273,7 +274,7 @@ void CephBroker::length(ResponseCallbackLength *cb, const char *fname){
 }
 
 void CephBroker::pread(ResponseCallbackRead *cb, uint32_t fd, uint64_t offset,
-		   uint32_t amount){
+		       uint32_t amount) {
   OpenFileDataCephPtr fdata;
   ssize_t nread;
   StaticBuffer buf(new uint8_t [amount], amount);
@@ -299,7 +300,7 @@ void CephBroker::pread(ResponseCallbackRead *cb, uint32_t fd, uint64_t offset,
   cb->response(offset, buf);
 }
 
-void CephBroker::mkdirs(ResponseCallback *cb, const char *dname){
+void CephBroker::mkdirs(ResponseCallback *cb, const char *dname) {
   String absdir;
 
   HT_DEBUGF("mkdirs dir='%s'", dname);
@@ -314,14 +315,12 @@ void CephBroker::mkdirs(ResponseCallback *cb, const char *dname){
   cb->response_ok();
 }
 
-void CephBroker::rmdir(ResponseCallback *cb, const char *dname){
+void CephBroker::rmdir(ResponseCallback *cb, const char *dname) {
   String absdir;
-
-  make_abs_path(dname, absdir);
-
   int r;
 
-  if((r=rmdir_recursive(absdir.c_str())) < 0) {
+  make_abs_path(dname, absdir);
+  if((r = rmdir_recursive(absdir.c_str())) < 0) {
       HT_ERRORF("failed to remove dir %s, got error %d", absdir.c_str(), r);
       report_error(cb, -r);
       return;
@@ -334,7 +333,8 @@ int CephBroker::rmdir_recursive(const char *directory) {
   struct dirent de;
   struct stat st;
   int r;
-  if((r = ceph_opendir(directory, &dirp) < 0)) return r; //failed to open
+  if ((r = ceph_opendir(directory, &dirp) < 0))
+    return r; //failed to open
   while (r = ceph_readdirplus_r(dirp, &de, &st, 0) > 0) {
     String new_dir = de.d_name;
     if(!(new_dir.compare(".")==0 || new_dir.compare("..")==0)) {
@@ -349,16 +349,16 @@ int CephBroker::rmdir_recursive(const char *directory) {
     }
   }
   if (r < 0) return r; //we got an error
-  if((r = ceph_closedir(dirp)) < 0) return r;
+  if ((r = ceph_closedir(dirp)) < 0) return r;
   return ceph_rmdir(directory);
 }
 
-void CephBroker::flush(ResponseCallback *cb, uint32_t fd){
+void CephBroker::flush(ResponseCallback *cb, uint32_t fd) {
   OpenFileDataCephPtr fdata;
 
   HT_DEBUGF("flush fd=%d", fd);
 
-  if(!m_open_file_map.get(fd, fdata)) {
+  if (!m_open_file_map.get(fd, fdata)) {
     char errbuf[32];
     sprintf(errbuf, "%d", fd);
     cb->error(Error::DFSBROKER_BAD_FILE_HANDLE, errbuf);
@@ -366,7 +366,7 @@ void CephBroker::flush(ResponseCallback *cb, uint32_t fd){
   }
 
   int r;
-  if((r=ceph_fsync(fdata->fd, true)) != 0) {
+  if ((r = ceph_fsync(fdata->fd, true)) != 0) {
     HT_ERRORF("flush failed: fd=%d  ceph_fd=%d - %s", fd, fdata->fd, strerror(-r));
     report_error(cb, -r);
     return;
@@ -375,7 +375,7 @@ void CephBroker::flush(ResponseCallback *cb, uint32_t fd){
   cb->response_ok();
 }
 
-void CephBroker::status(ResponseCallback *cb){
+void CephBroker::status(ResponseCallback *cb) {
   cb->response_ok();
   /*perhaps a total cheat, but both the local and Kosmos brokers
     included in Hypertable also do this. */
@@ -383,13 +383,13 @@ void CephBroker::status(ResponseCallback *cb){
 
 /* I have no idea if this is correct; it's what local and kosmos brokers do. Check the contract!
  */
-void CephBroker::shutdown(ResponseCallback *cb){
+void CephBroker::shutdown(ResponseCallback *cb) {
   m_open_file_map.remove_all();
   cb->response_ok();
   poll(0, 0, 2000);
 }
 
-void CephBroker::readdir(ResponseCallbackReaddir *cb, const char *dname){
+void CephBroker::readdir(ResponseCallbackReaddir *cb, const char *dname) {
   std::vector<String> listing;
   String absdir;
 
@@ -408,25 +408,23 @@ void CephBroker::readdir(ResponseCallbackReaddir *cb, const char *dname){
   cb->response(listing);
 }
 
-void CephBroker::exists(ResponseCallbackExists *cb, const char *fname){
-    String abspath;
-    struct stat statbuf;
-
-    HT_DEBUGF("exists file='%s'", fname);
-
-    make_abs_path(fname, abspath);
-
-    cb->response(ceph_lstat(abspath.c_str(), &statbuf) == 0);
+void CephBroker::exists(ResponseCallbackExists *cb, const char *fname) {
+  String abspath;
+  struct stat statbuf;
+  
+  HT_DEBUGF("exists file='%s'", fname);
+  make_abs_path(fname, abspath);
+  cb->response(ceph_lstat(abspath.c_str(), &statbuf) == 0);
 }
 
-void CephBroker::rename(ResponseCallback *cb, const char *src, const char *dst){
+void CephBroker::rename(ResponseCallback *cb, const char *src, const char *dst) {
   String src_abs;
   String dest_abs;
+  int r;
+
   make_abs_path(src, src_abs);
   make_abs_path(dst, dest_abs);
-
-  int r;
-  if((r=ceph_rename(src_abs.c_str(), dest_abs.c_str())) <0 ) {
+  if ((r = ceph_rename(src_abs.c_str(), dest_abs.c_str())) <0 ) {
     report_error(cb, r);
     return;
   }
@@ -434,7 +432,7 @@ void CephBroker::rename(ResponseCallback *cb, const char *src, const char *dst){
 }
 
 void CephBroker::debug(ResponseCallback *cb, int32_t command,
-		       StaticBuffer &serialized_parameters ){
+		       StaticBuffer &serialized_parameters) {
   HT_ERROR("debug commands not implemented!");
   cb->error(Error::NOT_IMPLEMENTED, format("Debug commands not supported"));
 }
@@ -449,10 +447,3 @@ void CephBroker::report_error(ResponseCallback *cb, int error) {
 }
 
 
-inline void CephBroker::make_abs_path(const char *fname, String& abs)
-{
-  if (fname[0] == '/')
-    abs = fname;
-  else
-    abs = m_root_dir + "/" + fname;
-}
diff --git a/src/client/hypertable/CephBroker.h b/src/client/hypertable/CephBroker.h
index 1ebd6c7d9b93..d860dfed2e7e 100644
--- a/src/client/hypertable/CephBroker.h
+++ b/src/client/hypertable/CephBroker.h
@@ -89,7 +89,12 @@ namespace Hypertable {
 
     virtual void report_error(ResponseCallback *cb, int error);
 
-    inline void make_abs_path(const char *fname, String& abs);
+    void make_abs_path(const char *fname, String& abs) {
+      if (fname[0] == '/')
+	abs = fname;
+      else
+	abs = m_root_dir + "/" + fname;
+    }
 
     int rmdir_recursive(const char *directory);