native: make the redis host/port configurable

README.md

@@ -152,13 +152,3 @@ Permission is hereby granted, free of charge, to any person obtaining a copy of
 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-
-
-### todo
-
-+ implement CosineInputMatrix
-+ forbid ':' and '|' in item_ids
-+ recommendify::base no key part issue
-+ make max_row length configurable
-

ext/recommendify.c

@@ -3,7 +3,7 @@
 #include <stdlib.h>
 #include <hiredis/hiredis.h>
 
-#include "version.h" 
+#include "version.h"
 #include "cc_item.h" 
 #include "jaccard.c" 
 #include "cosine.c" 
@@ -27,7 +27,11 @@ int main(int argc, char **argv){
   int batch_size = 200; /* FIXPAUL: make option */
   int maxItems = 50; /* FIXPAUL: make option */
 
-
+  struct {
+    char  host[1024];
+    int   port;
+  } redis_addr;
+
   /* option parsing */
   if(argc < 2)
     return print_usage(argv[0]);
@@ -44,25 +48,43 @@ int main(int argc, char **argv){
   if(!similarityFunc){
     printf("invalid option: %s\n", argv[1]);
     return 1;
-  } else if(argc != 4){
+  } else if(argc < 4 || argc > 5){
     printf("wrong number of arguments\n");
     print_usage(argv[0]);
     return 1;
   }
 
   redisPrefix = argv[2];
   itemID = argv[3];
+  redis_addr.host[0] = 0;
+
+  /* configure redis location */
+  if(argc > 4){
+    char* has_port = strchr(argv[4], ':');
+    if(has_port){
+      strncpy(redis_addr.host, argv[4], strlen(argv[4]) - strlen(has_port));
+      redis_addr.host[strlen(argv[4]) - strlen(has_port)] = 0;
+      redis_addr.port = atoi(has_port + 1);
+    } else {
+      strncpy(redis_addr.host, argv[4], sizeof(redis_addr.host));
+    }
+  }
+
+  /* default redis location */
+  if(strlen(redis_addr.host) == 0)
+    strcpy(redis_addr.host, "localhost");
 
+  if(!redis_addr.port)
+    redis_addr.port = 6379;
 
   /* connect to redis */
   struct timeval timeout = { 1, 500000 }; 
-  c = redisConnectWithTimeout("127.0.0.2", 6379, timeout); 
+  c = redisConnectWithTimeout(redis_addr.host, redis_addr.port, timeout);
 
   if(c->err){
     printf("connection to redis failed: %s\n", c->errstr);
     return 1;
   }
-
 
   /* get item count */
   reply = redisCommand(c,"HGET %s:items %s", redisPrefix, itemID);