DistRen Changeset - 9b974d776960 · protofusion repositories

Changeset - 9b974d776960

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Nathan Brink (binki) - 16 years ago 2010-02-09 21:55:10
ohnobinki@ohnopublishing.net

abstract away the mysql interface for normaldotcom

4 files changed with 110 insertions and 33 deletions:

Makefile.am

src/server/distrend.c

src/server/mysql.c

src/server/mysql.h

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Makefile.am

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@@ @@ -57,13 +57,13 @@ distrend_LDFLAGS = $(AM_LDFLAGS) $(MYSQL @@
 distrend_SOURCES = $(SERVER_SOURCES) \
 	src/server/distrend.c \
 	src/server/distrend.h \
 	src/server/user_mgr.c \
 	src/server/user_mgr.h \
 	src/server/listen.h \
-	src/server/listen.c \
 	src/server/listen.c \
 	src/server/mysql.h \
 	src/server/mysql.c
 distrend_LDADD = libdistrencommon.la
 # distrenslave:
 distrenslave_SOURCES = $(SERVER_SOURCES) \
 	src/server/slave.c

src/server/distrend.c

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@@ @@ -161,14 +161,18 @@ int main(int argc, char *argv[]) @@
+    {
       fprintf(stderr, "%s:%d: start_data() failed\n", __FILE__, __LINE__);
       return 1;
+    }
   /** MySQL Connection */
   MYSQL *conn;
   *conn = mysqlConnect();
   struct distrend_mysql_con *conn;
   if(mysqlConnect(&conn))
+    {
       fprintf(stderr, "%s:%d: mysqlConnect() failed\n", __FILE__, __LINE__);
       return 1;
+    }
   /** pre-loaded jobs for testing */
   prepare_distrenjob(&general_info, 1, "awesome", "LordOfWar", 8, 1, 100, 640, 480);
   prepare_distrenjob(&general_info, 1, "hamburger", "ohnobinki", 3, 1, 50, 1280, 720);
   /** Execute test function */
@@ @@ -203,24 +207,22 @@ int main(int argc, char *argv[]) @@
+	}
       /* If the client states that they finished the frame */
       	if(clientsays == DISTREN_REQUEST_DONEFRAME){
       	  clientstatus = CLIENTSTATUS_IDLE; // Sets the client back to idle
       	  finish_frame(&general_info, job, frame->num); // @TODO: Make sure this actually works.
+      	}
       	// Check the connection to the database
       	mysqlPing(conn);
     } /* while(!general_info.config->die) */
   distrend_unlisten(general_info.config->listens, clients);
   distrend_config_free(general_info.config);
   xmlcleanup();
   /** free() paths */
   free(general_info.files.geninfo);
-  mysql_close(conn);
+  mysqlDisconnect(conn);
   return 0;
+}
 /* ********************** Functions ************************* */

src/server/mysql.c

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@@ @@ -27,43 +27,97 @@ @@
 #include <string.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 MYSQL mysqlConnect(){
   MYSQL *conn;
 /**
    local types
  */
 #define SEVENTY_FIVE 75
 struct distrend_mysql_con
+{
   MYSQL *mysqlconn;
   short pointlesscheck;
 };
 struct distrend_mysql_result
+{
   MYSQL_RES *result;
 };
 /**
     funcs
  */
 int mysqlConnect(struct distrend_mysql_con **conn)
+{
   MYSQL *mysqlconn;
   char *server = "zserver1";
   char *user = "distren";
   char *password = "secretpassword";
   char *database = "distren";
   conn = mysql_init(NULL);
   mysql_options(conn, MYSQL_OPT_RECONNECT,"true");
   mysqlconn = mysql_init(NULL);
   mysql_options(mysqlconn, MYSQL_OPT_RECONNECT,"true");
   if(!mysql_real_connect(conn, server, user, password, database, 0, NULL, 0))
     fprintf(stderr, "%s\n", mysql_error(conn));
   if(!mysql_real_connect(mysqlconn, server, user, password, database, 0, NULL, 0))
+    {
       fprintf(stderr, "%s\n", mysql_error(mysqlconn));
       return 1;
+    }
   return *conn;
   *conn = malloc(sizeof(struct distrend_mysql_con));
   (*conn)->mysqlconn = mysqlconn;
   (*conn)->pointlesscheck = SEVENTY_FIVE;
   return 0;
+}
 MYSQL_RES mysqlQuery(MYSQL *conn, char *query){
   if (mysql_query(conn, query))
      fprintf(stderr, "%s\n", mysql_error(conn));
   MYSQL_RES *result;
   result = mysql_use_result(conn);
   return *result;
+}
 int mysqlDisconnect(distrend_mysql_con_t conn)
+{
   /**
      check if this handle is valid
    */
   if(conn->pointlesscheck != SEVENTY_FIVE)
     fprintf(stderr, "warning, I was passed a bad struct distrend_mysql_con...\n");
 // Check if connection is alive, reconnect if broken.
 int mysqlPing(MYSQL *conn){
   if(mysql_ping(conn)){
     fprintf(stderr, "MySQL Connection broken, attempting reconnection...");
     return 1;
+  }
   else
     return 0; // Connection is still alive
   /**
      invalidate handle :-D
    */
   conn->pointlesscheck ++;
   mysql_close(conn->mysqlconn);
   free(conn);
   return 0;
+}
 distrend_mysql_result_t mysqlQuery(distrend_mysql_con_t conn, char *query)
+{
   MYSQL_RES *result;
   distrend_mysql_result_t distrenresult;
   /**
      pointless sanity check
   */
   if(conn->pointlesscheck != SEVENTY_FIVE)
     fprintf(stderr, "warning, I was passed a bad struct distrend_mysql_con...\n");
   /** make sure that connection is still alive
    */
   if(mysql_ping(conn->mysqlconn))
     fprintf(stderr, "MySQL Connection _was_ broken or may be broken, I'm not sure exactly what this return value means\n");
   if (mysql_query(conn->mysqlconn, query))
      fprintf(stderr, "%s\n", mysql_error(conn->mysqlconn));
   result = mysql_use_result(conn->mysqlconn);
   distrenresult = malloc(sizeof(struct distrend_mysql_result));
   return distrenresult;
+}

src/server/mysql.h

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@@ @@ -19,13 +19,34 @@ @@
 */
 #ifndef MYSQL_H_
 #define MYSQL_H_
 #include <mysql/mysql.h>
 struct distrend_mysql_con;
 struct distrend_mysql_result;
 typedef struct distrend_mysql_con *distrend_mysql_con_t;
 typedef struct distrend_mysql_restul *distrend_mysql_result_t;
 /**
    initiates a MySQL connection
    @param conn, pointer will be set to the struct
    @return 0 on success
  */
 int mysqlConnect(distrend_mysql_con_t *conn);
 MYSQL mysqlConnect();
 MYSQL_RES mysqlQuery(MYSQL *conn, char *query);
 int mysqlPing(MYSQL *conn);
 /**
    cleans and disconnects MySQL connection
    @param conn connection to clean
    @return 0 onh success
 */
 int mysqlDiscconnect(distrend_mysql_con_t conn);
 /**
    performs mysql query.
    errors will be logged to the user by this function.
    @return pointer to query handle on success, NULL on failure
  */
 distrend_mysql_result_t mysqlQuery(struct distrend_mysql_con *conn, char *query);
 #endif /* MYSQL_H_ */

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