From:  <brian@gir.local>
Date: Tue, 18 Sep 2007 15:11:51 +0000 (+0200)
Subject: Change hosts over to realloc array
X-Git-Tag: 0.2~26
X-Git-Url: https://git.m6w6.name/?a=commitdiff_plain;h=1fc4b1ae18810551553837b4c67c6075f1ad5941;p=m6w6%2Flibmemcached

Change hosts over to realloc array
---

diff --git a/include/memcached.h b/include/memcached.h
index 33abcc81..b57b3941 100644
--- a/include/memcached.h
+++ b/include/memcached.h
@@ -1,3 +1,4 @@
+#include <brian.h>
 /*
  * Summary: interface for memcached server
  * Description: main include file for libmemcached
@@ -66,7 +67,6 @@ struct memcached_host_st {
   char *hostname;
   unsigned int port;
   int fd;
-  memcached_host_st *next;
 };
 
 struct memcached_stat_st {
@@ -100,9 +100,9 @@ struct memcached_stat_st {
 
 struct memcached_st {
   memcached_allocated is_allocated;
-  int fd;
-  char connected;
   memcached_host_st *hosts;
+  unsigned int number_of_hosts;
+  char connected;
 };
 
 /* Public API */
diff --git a/lib/memcached.c b/lib/memcached.c
index fb046827..66a96f04 100644
--- a/lib/memcached.c
+++ b/lib/memcached.c
@@ -19,7 +19,6 @@ memcached_st *memcached_init(memcached_st *ptr)
   {
     memset(ptr, 0, sizeof(memcached_st));
   }
-  ptr->fd= -1;
 
   return ptr;
 }
@@ -50,7 +49,7 @@ memcached_return memcached_flush(memcached_st *ptr, time_t expiration)
   else
     send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
                           "flush_all\r\n");
-  if ((send(ptr->fd, buffer, send_length, 0) == -1))
+  if ((send(ptr->hosts[0].fd, buffer, send_length, 0) == -1))
   {
     fprintf(stderr, "failed flush_all TCP\n");
 
@@ -71,7 +70,7 @@ memcached_return memcached_verbosity(memcached_st *ptr, unsigned int verbosity)
   send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
                         "verbosity %u\r\n", verbosity);
 
-  if ((send(ptr->fd, buffer, send_length, 0) == -1))
+  if ((send(ptr->hosts[0].fd, buffer, send_length, 0) == -1))
   {
     fprintf(stderr, "failed verbosity\n");
 
@@ -92,20 +91,21 @@ memcached_return memcached_quit(memcached_st *ptr, char *hostname, unsigned port
 
 void memcached_deinit(memcached_st *ptr)
 {
+  unsigned int x;
   memcached_host_st *host_ptr;
 
-  if (ptr->fd > 0)
-    close(ptr->fd);
-
-  for (host_ptr= ptr->hosts; host_ptr;)
+  if (ptr->hosts)
   {
-    memcached_host_st *temp;
+    for (x= 0; x < ptr->number_of_hosts; x++)
+    {
+      if (ptr->hosts[x].fd > 0)
+        close(ptr->hosts[x].fd);
+
+      if (ptr->hosts[x].hostname)
+        free(ptr->hosts[x].hostname);
+    }
 
-    temp= host_ptr;
-    host_ptr= host_ptr->next;
-    if (temp->hostname)
-      free(temp->hostname);
-    free(temp);
+    free(ptr->hosts);
   }
 
   if (ptr->is_allocated == MEMCACHED_ALLOCATED)
diff --git a/lib/memcached_connect.c b/lib/memcached_connect.c
index 5b3644a1..1be786e1 100644
--- a/lib/memcached_connect.c
+++ b/lib/memcached_connect.c
@@ -2,47 +2,27 @@
 
 memcached_return memcached_server_add(memcached_st *ptr, char *hostname, unsigned int port)
 {
-  memcached_host_st *host_ptr, *prev_ptr;
-
   if (!port)
     port= MEMCACHED_DEFAULT_PORT; 
 
   if (!hostname)
     hostname= "localhost"; 
 
-  if (ptr->hosts)
-  {
-    for (host_ptr= ptr->hosts; host_ptr; host_ptr= host_ptr->next)
-      prev_ptr= host_ptr;
-    host_ptr= (memcached_host_st *)malloc(sizeof(memcached_host_st));
-    if (!host_ptr)
-      return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
-    prev_ptr->next= host_ptr;
-  }
-  else
-  {
-    ptr->hosts=
-      host_ptr= (memcached_host_st *)malloc(sizeof(memcached_host_st));
-    if (!host_ptr)
-      return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
-  }
-
-  memset(host_ptr, 0, sizeof(memcached_host_st));
-  host_ptr->hostname= (char *)malloc(sizeof(char) * strlen(hostname));
 
-  if (!host_ptr->hostname)
-  {
-    free(host_ptr);
-    return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
-  }
-  memcpy(host_ptr->hostname, hostname, strlen(hostname));
-  host_ptr->port= port;
+  ptr->hosts= (memcached_host_st *)realloc(ptr->hosts, sizeof(memcached_host_st) * (size_t)ptr->number_of_hosts);
+  ptr->hosts[ptr->number_of_hosts].hostname=
+    (char *)malloc(sizeof(char) * strlen(hostname));
+  memcpy(ptr->hosts[ptr->number_of_hosts].hostname, hostname, strlen(hostname));
+  ptr->hosts[ptr->number_of_hosts].port= port;
+  ptr->hosts[ptr->number_of_hosts].fd= -1;
+  ptr->number_of_hosts++;
 
   return MEMCACHED_SUCCESS;
 }
 
 memcached_return memcached_connect(memcached_st *ptr)
 {
+  unsigned int x;
   struct sockaddr_in localAddr, servAddr;
   struct hostent *h;
   memcached_host_st *host_ptr;
@@ -60,20 +40,20 @@ memcached_return memcached_connect(memcached_st *ptr)
   }
 
 
-  for (host_ptr= ptr->hosts; host_ptr; host_ptr= host_ptr->next)
+  for (x= 0; x < ptr->number_of_hosts; x++)
   {
-    if ((h= gethostbyname(host_ptr->hostname)) == NULL)
+    if ((h= gethostbyname(ptr->hosts[x].hostname)) == NULL)
     {
-      fprintf(stderr, "unknown host '%s'\n", host_ptr->hostname);
+      fprintf(stderr, "unknown host '%s'\n", ptr->hosts[x].hostname);
       return MEMCACHED_HOST_LOCKUP_FAILURE;
     }
 
     servAddr.sin_family= h->h_addrtype;
     memcpy((char *) &servAddr.sin_addr.s_addr, h->h_addr_list[0], h->h_length);
-    servAddr.sin_port = htons(host_ptr->port);
+    servAddr.sin_port = htons(ptr->hosts[x].port);
 
     /* Create the socket */
-    if ((ptr->fd= socket(AF_INET, SOCK_STREAM, 0)) < 0)
+    if ((ptr->hosts[0].fd= socket(AF_INET, SOCK_STREAM, 0)) < 0)
     {
       fprintf(stderr, "cannot open socket");
       return MEMCACHED_CONNECTION_SOCKET_CREATE_FAILURE;
@@ -85,17 +65,17 @@ memcached_return memcached_connect(memcached_st *ptr)
     localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
     localAddr.sin_port = htons(0);
 
-    if (bind(ptr->fd, (struct sockaddr *) &localAddr, sizeof(localAddr)) < 0)
+    if (bind(ptr->hosts[0].fd, (struct sockaddr *) &localAddr, sizeof(localAddr)) < 0)
     {
-      fprintf(stderr, "cannot bind port TCP %u\n", host_ptr->port);
+      fprintf(stderr, "cannot bind port TCP %u\n", ptr->hosts[x].port);
       return(MEMCACHED_CONNECTION_BIND_FAILURE);
     }
 
     /* connect to server */
-    if (connect(ptr->fd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0)
+    if (connect(ptr->hosts[0].fd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0)
     {
-      fprintf(stderr, "cannot connect to host '%s' (%u)  (error: %s)\n", host_ptr->hostname, 
-              host_ptr->port,
+      fprintf(stderr, "cannot connect to host '%s' (%u)  (error: %s)\n", ptr->hosts[x].hostname, 
+              ptr->hosts[x].port,
               strerror(errno));
       return MEMCACHED_HOST_LOCKUP_FAILURE;
     }
diff --git a/lib/memcached_delete.c b/lib/memcached_delete.c
index 98aac143..df16d2f4 100644
--- a/lib/memcached_delete.c
+++ b/lib/memcached_delete.c
@@ -15,7 +15,7 @@ memcached_return memcached_delete(memcached_st *ptr, char *key, size_t key_lengt
   else
     send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
                           "delete %.*s\r\n", key_length, key);
-  if ((write(ptr->fd, buffer, send_length) == -1))
+  if ((write(ptr->hosts[0].fd, buffer, send_length) == -1))
   {
     fprintf(stderr, "failed set on %.*s TCP\n", key_length+1, key);
 
diff --git a/lib/memcached_get.c b/lib/memcached_get.c
index 1b53b119..c535a7ab 100644
--- a/lib/memcached_get.c
+++ b/lib/memcached_get.c
@@ -19,7 +19,7 @@ char *memcached_get(memcached_st *ptr, char *key, size_t key_length,
   if (*error != MEMCACHED_SUCCESS)
     return NULL;
 
-  if ((send(ptr->fd, buffer, send_length, 0) == -1))
+  if ((send(ptr->hosts[0].fd, buffer, send_length, 0) == -1))
   {
     fprintf(stderr, "failed fetch on %.*s TCP\n", key_length+1, key);
     *error= MEMCACHED_WRITE_FAILURE;
@@ -79,7 +79,7 @@ char *memcached_get(memcached_st *ptr, char *key, size_t key_length,
 
         need_to_read= *value_length - need_to_copy;
 
-        read_length= read(ptr->fd, pos_ptr, need_to_read);
+        read_length= read(ptr->hosts[0].fd, pos_ptr, need_to_read);
         if (read_length != need_to_read)
         {
           free(value);
diff --git a/lib/memcached_response.c b/lib/memcached_response.c
index 09d1fa4d..99020559 100644
--- a/lib/memcached_response.c
+++ b/lib/memcached_response.c
@@ -13,7 +13,7 @@ memcached_return memcached_response(memcached_st *ptr,
   size_t send_length;
 
   memset(buffer, 0, buffer_length);
-  send_length= read(ptr->fd, buffer, buffer_length);
+  send_length= read(ptr->hosts[0].fd, buffer, buffer_length);
 
   if (send_length)
     switch(buffer[0])
diff --git a/lib/memcached_stats.c b/lib/memcached_stats.c
index 8fe5c822..c3371d1d 100644
--- a/lib/memcached_stats.c
+++ b/lib/memcached_stats.c
@@ -142,7 +142,7 @@ memcached_return memcached_stat_hostname(memcached_stat_st *stat, char *args,
     send_length= snprintf(buffer, HUGE_STRING_LEN, 
                           "stats\r\n");
 
-  if ((send(memc.fd, buffer, send_length, 0) == -1))
+  if ((send(memc.hosts[0].fd, buffer, send_length, 0) == -1))
   {
     fprintf(stderr, "failed on stats\n");
 
diff --git a/lib/memcached_storage.c b/lib/memcached_storage.c
index 5ed2fd55..40d36394 100644
--- a/lib/memcached_storage.c
+++ b/lib/memcached_storage.c
@@ -28,7 +28,7 @@ static memcached_return memcached_send(memcached_st *ptr,
   send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
                         "%s %.*s %u %u %u\r\n", verb,
                         key_length, key, flags, expiration, value_length);
-  if ((send(ptr->fd, buffer, send_length, 0) == -1))
+  if ((send(ptr->hosts[0].fd, buffer, send_length, 0) == -1))
   {
     fprintf(stderr, "failed set on %.*s TCP\n", key_length+1, key);
 
@@ -38,14 +38,14 @@ static memcached_return memcached_send(memcached_st *ptr,
   send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
                         "%.*s\r\n", 
                         value_length, value);
-  if ((send(ptr->fd, buffer, send_length, 0) == -1))
+  if ((send(ptr->hosts[0].fd, buffer, send_length, 0) == -1))
   {
     fprintf(stderr, "failed set on %.*s TCP\n", key_length+1, key);
 
     return MEMCACHED_WRITE_FAILURE;
   }
   
-  send_length= read(ptr->fd, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE);
+  send_length= read(ptr->hosts[0].fd, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE);
 
   if (send_length && buffer[0] == 'S')  /* STORED */
     return MEMCACHED_SUCCESS;