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SendBuyerResults converted to QueryDatabase

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This commit is contained in:
Arthur Ice 2014-09-03 20:34:07 -07:00
parent a8b8f71092
commit 081905dbc3
1 changed files with 72 additions and 83 deletions
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155
zone/trading.cpp
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@ -2263,103 +2263,92 @@ void Client::HandleTraderPriceUpdate(const EQApplicationPacket *app) {
} }
void Client::SendBuyerResults(char* SearchString, uint32 SearchID) { void Client::SendBuyerResults(char* searchString, uint32 searchID) {
// This method is called when a potential seller in the /barter window searches for matching buyers // This method is called when a potential seller in the /barter window searches for matching buyers
// //
_log(TRADING__BARTER, "Client::SendBuyerResults %s\n", SearchString); _log(TRADING__BARTER, "Client::SendBuyerResults %s\n", searchString);
char errbuf[MYSQL_ERRMSG_SIZE]; char* escSearchString = new char[strlen(searchString) * 2 + 1];
char* Query = 0; database.DoEscapeString(escSearchString, searchString, strlen(searchString));
char ItemName[64];
std::string Search, Values;
MYSQL_RES *Result;
MYSQL_ROW Row;
char*EscSearchString = new char[strlen(SearchString) * 2 + 1]; std::string query = StringFormat("SELECT * FROM buyer WHERE itemname LIKE '%%%s%%' ORDER BY charid LIMIT %i",
database.DoEscapeString(EscSearchString, SearchString, strlen(SearchString)); escSearchString, RuleI(Bazaar, MaxBarterSearchResults));
safe_delete_array(escSearchString);
auto results = database.QueryDatabase(query);
if (!results.Success()) {
_log(TRADING__CLIENT, "Failed to retrieve Barter Search!! %s %s\n", query.c_str(), results.ErrorMessage().c_str());
return;
}
if (database.RunQuery(Query,MakeAnyLenString(&Query, "select * from buyer where itemname like '%%%s%%' order by charid limit %i", int numberOfRows = results.RowCount();
EscSearchString, RuleI(Bazaar, MaxBarterSearchResults)), errbuf, &Result)) {
int NumberOfRows = mysql_num_rows(Result); if(numberOfRows == RuleI(Bazaar, MaxBarterSearchResults))
Message(15, "Your search found too many results; some are not displayed.");
else if(strlen(searchString) == 0)
Message(10, "There are %i Buy Lines.", numberOfRows);
else
Message(10, "There are %i Buy Lines that match the search string '%s'.", numberOfRows, searchString);
if(NumberOfRows == RuleI(Bazaar, MaxBarterSearchResults)) if(numberOfRows == 0)
Message(15, "Your search found too many results; some are not displayed."); return;
else {
if(strlen(SearchString) == 0) uint32 lastCharID = 0;
Message(10, "There are %i Buy Lines.", NumberOfRows); Client *buyer = nullptr;
else
Message(10, "There are %i Buy Lines that match the search string '%s'.", for (auto row = results.begin(); row != results.end(); ++row) {
NumberOfRows, SearchString); char itemName[64];
uint32 charID = atoi(row[0]);
uint32 buySlot = atoi(row[1]);
uint32 itemID = atoi(row[2]);
strcpy(itemName, row[3]);
uint32 quantity = atoi(row[4]);
uint32 price = atoi(row[5]);
// Each item in the search results is sent as a single fixed length packet, although the position of
// the fields varies due to the use of variable length strings. The reason the packet is so big, is
// to allow item compensation, e.g. a buyer could offer to buy a Blade Of Carnage for 10000pp plus
// other items in exchange. Item compensation is not currently supported in EQEmu.
//
EQApplicationPacket* outapp = new EQApplicationPacket(OP_Barter, 940);
char *buf = (char *)outapp->pBuffer;
const Item_Struct* item = database.GetItem(itemID);
if(!item)
continue;
// Save having to scan the client list when dealing with multiple buylines for the same Character.
if(charID != lastCharID) {
buyer = entity_list.GetClientByCharID(charID);
lastCharID = charID;
} }
if(NumberOfRows == 0) { if(!buyer)
mysql_free_result(Result); continue;
safe_delete_array(Query);
return;
}
uint32 LastCharID = 0; VARSTRUCT_ENCODE_TYPE(uint32, buf, Barter_BuyerSearchResults); // Command
Client *Buyer = nullptr; VARSTRUCT_ENCODE_TYPE(uint32, buf, searchID); // Match up results with the request
VARSTRUCT_ENCODE_TYPE(uint32, buf, buySlot); // Slot in this Buyer's list
VARSTRUCT_ENCODE_TYPE(uint8, buf, 0x01); // Unknown - probably a flag field
VARSTRUCT_ENCODE_TYPE(uint32, buf, itemID); // ItemID
VARSTRUCT_ENCODE_STRING(buf, itemName); // Itemname
VARSTRUCT_ENCODE_TYPE(uint32, buf, item->Icon); // Icon
VARSTRUCT_ENCODE_TYPE(uint32, buf, quantity); // Quantity
VARSTRUCT_ENCODE_TYPE(uint8, buf, 0x01); // Unknown - probably a flag field
VARSTRUCT_ENCODE_TYPE(uint32, buf, price); // Price
VARSTRUCT_ENCODE_TYPE(uint32, buf, buyer->GetID()); // Entity ID
VARSTRUCT_ENCODE_TYPE(uint32, buf, 0); // Flag for + Items , probably ItemCount
VARSTRUCT_ENCODE_STRING(buf, buyer->GetName()); // Seller Name
while ((Row = mysql_fetch_row(Result))) { _pkt(TRADING__BARTER, outapp);
uint32 CharID = atoi(Row[0]); QueuePacket(outapp);
uint32 BuySlot = atoi(Row[1]); safe_delete(outapp);
uint32 ItemID = atoi(Row[2]); }
strcpy(ItemName, Row[3]);
uint32 Quantity = atoi(Row[4]);
uint32 Price = atoi(Row[5]);
// Each item in the search results is sent as a single fixed length packet, although the position of
// the fields varies due to the use of variable length strings. The reason the packet is so big, is
// to allow item compensation, e.g. a buyer could offer to buy a Blade Of Carnage for 10000pp plus
// other items in exchange. Item compensation is not currently supported in EQEmu.
//
EQApplicationPacket* outapp = new EQApplicationPacket(OP_Barter, 940);
char *Buf = (char *)outapp->pBuffer;
const Item_Struct* item = database.GetItem(ItemID);
if(!item) continue;
// Save having to scan the client list when dealing with multiple buylines for the same Character.
if(CharID != LastCharID) {
Buyer = entity_list.GetClientByCharID(CharID);
LastCharID = CharID;
}
if(!Buyer) continue;
VARSTRUCT_ENCODE_TYPE(uint32, Buf, Barter_BuyerSearchResults); // Command
VARSTRUCT_ENCODE_TYPE(uint32, Buf, SearchID); // Match up results with the request
VARSTRUCT_ENCODE_TYPE(uint32, Buf, BuySlot); // Slot in this Buyer's list
VARSTRUCT_ENCODE_TYPE(uint8, Buf, 0x01); // Unknown - probably a flag field
VARSTRUCT_ENCODE_TYPE(uint32, Buf, ItemID); // ItemID
VARSTRUCT_ENCODE_STRING(Buf, ItemName); // Itemname
VARSTRUCT_ENCODE_TYPE(uint32, Buf, item->Icon); // Icon
VARSTRUCT_ENCODE_TYPE(uint32, Buf, Quantity); // Quantity
VARSTRUCT_ENCODE_TYPE(uint8, Buf, 0x01); // Unknown - probably a flag field
VARSTRUCT_ENCODE_TYPE(uint32, Buf, Price); // Price
VARSTRUCT_ENCODE_TYPE(uint32, Buf, Buyer->GetID()); // Entity ID
VARSTRUCT_ENCODE_TYPE(uint32, Buf, 0); // Flag for + Items , probably ItemCount
VARSTRUCT_ENCODE_STRING(Buf, Buyer->GetName()); // Seller Name
_pkt(TRADING__BARTER, outapp);
QueuePacket(outapp);
safe_delete(outapp);
}
mysql_free_result(Result);
}
else{
_log(TRADING__CLIENT, "Failed to retrieve Barter Search!! %s %s\n", Query, errbuf);
}
safe_delete_array(Query);
safe_delete_array(EscSearchString);
} }
void Client::ShowBuyLines(const EQApplicationPacket *app) { void Client::ShowBuyLines(const EQApplicationPacket *app) {