From 128c6d51ec8c70e230dc86b100cb887ba3f0378d Mon Sep 17 00:00:00 2001
From: Joel Grunbaum <joelgrun@gmail.com>
Date: Thu, 20 Jan 2022 07:00:50 +0000
Subject: [PATCH] Secrets to macros and c string concat at compile time
---
click.cpp | 100 +++++++++++++++++++++++++++++--------------------
1 files changed, 59 insertions(+), 41 deletions(-)
diff --git a/click.cpp b/click.cpp
index 749d649..ba85093 100644
--- a/click.cpp
+++ b/click.cpp
@@ -2,9 +2,11 @@
#include "json.hpp"
#include "protocol.hpp"
+#include <cstdint>
#include <cstdlib>
#include <getopt.h>
#include <iostream>
+#include <string>
#include <unordered_map>
enum clickType { Buy, Sell, Flash, Delete };
@@ -13,10 +15,10 @@
void initialise()
{
- mapClick = {{"BUY", Buy}, {"SELL", Sell}, {"FLASH", Flash},
- {"b", Buy}, {"s", Sell}, {"f", Flash},
- {"B", Buy}, {"S", Sell}, {"F", Flash},
- {"DELETE", Delete}, {"D", Delete}, {"d", Delete}};
+ mapClick = {{"BUY", Buy}, {"SELL", Sell}, {"FLASH", Flash},
+ {"b", Buy}, {"s", Sell}, {"f", Flash},
+ {"B", Buy}, {"S", Sell}, {"F", Flash},
+ {"DELETE", Delete}, {"D", Delete}, {"d", Delete}};
}
void usage()
@@ -30,6 +32,7 @@
<< "\t-p price" << std::endl
<< "\t-v volume" << std::endl
<< "\t-i id" << std::endl
+ << "\t-l loop count (default to 1)" << std::endl
<< "Always need product, need side, price and volume for "
"adding/flash, need id for deleting"
<< std::endl;
@@ -38,34 +41,42 @@
void buy(std::string& product, double price, uint64_t volume)
{
json::AddMessage a(json::ADD, product, price, book::Buy, volume);
- json::AddedMessage* b = static_cast<json::AddedMessage*>(protocol::addOrder(a));
+ json::AddedMessage* b =
+ static_cast<json::AddedMessage*>(protocol::addOrder(a));
std::cout << b->as_string() << std::endl;
}
void sell(std::string& product, double price, uint64_t volume)
{
json::AddMessage a(json::ADD, product, price, book::Sell, volume);
- json::AddedMessage* b = static_cast<json::AddedMessage*>(protocol::addOrder(a));
+ json::AddedMessage* b =
+ static_cast<json::AddedMessage*>(protocol::addOrder(a));
std::cout << b->as_string() << std::endl;
delete b;
}
-void flash(std::string& product, double price, uint64_t volume, book::OrderSideEnum side)
+void flash(std::string& product, double price, uint64_t volume,
+ book::OrderSideEnum side)
{
json::AddMessage a(json::ADD, product, price, side, volume);
json::Message* b = static_cast<json::Message*>(protocol::addOrder(a));
- if (b->type == json::ERROR) {
- std::cout << static_cast<json::ErrorMessage*>(b)->as_string() << std::endl;
- return;
- }
- json::DeleteMessage c(json::DELETE, product, static_cast<json::AddedMessage*>(b)->id);
+ if (b->type == json::ERROR) {
+ std::cout << static_cast<json::ErrorMessage*>(b)->as_string()
+ << std::endl;
+ return;
+ }
+ json::DeleteMessage c(json::DELETE, product,
+ static_cast<json::AddedMessage*>(b)->id);
json::Message* d = protocol::deleteOrder(c);
std::cout << static_cast<json::AddedMessage*>(b)->as_string() << std::endl;
if (d->type == json::DELETED) {
std::cout << static_cast<json::DeletedMessage*>(d)->as_string()
<< std::endl;
- } else {
+ } else if (d->type == json::REJECT) {
std::cout << static_cast<json::RejectMessage*>(d)->as_string()
+ << std::endl;
+ } else if (d->type == json::ERROR) {
+ std::cout << static_cast<json::ErrorMessage*>(d)->as_string()
<< std::endl;
}
delete b;
@@ -74,17 +85,18 @@
void deleteOrder(std::string& product, std::string& id)
{
- json::DeleteMessage a(json::DELETE, product, id);
- json::Message* b = protocol::deleteOrder(a);
- if (b->type == json::DELETED) {
+ json::DeleteMessage a(json::DELETE, product, id);
+ json::Message* b = protocol::deleteOrder(a);
+ if (b->type == json::DELETED) {
std::cout << static_cast<json::DeletedMessage*>(b)->as_string()
<< std::endl;
} else if (b->type == json::REJECT) {
std::cout << static_cast<json::RejectMessage*>(b)->as_string()
<< std::endl;
- } else {
- std::cout << static_cast<json::ErrorMessage*>(b)->as_string() << std::endl;
- }
+ } else if (b->type == json::ERROR) {
+ std::cout << static_cast<json::ErrorMessage*>(b)->as_string()
+ << std::endl;
+ }
}
int main(int argc, char** argv)
@@ -94,11 +106,12 @@
double price;
clickType click, side;
uint64_t volume;
+ uint64_t times = 1;
initialise();
if (argc == 1) {
usage(), exit(0);
}
- while ((c = getopt(argc, argv, "a::t::s::p::v::i::")) != -1) {
+ while ((c = getopt(argc, argv, "a::t::s::p::v::i::l::")) != -1) {
switch (c) {
case 'a':
product = std::string(optarg);
@@ -106,9 +119,9 @@
case 't':
click = mapClick[optarg];
break;
- case 's':
- side = mapClick[optarg];
- break;
+ case 's':
+ side = mapClick[optarg];
+ break;
case 'p':
price = std::stod(optarg);
break;
@@ -118,29 +131,34 @@
case 'i':
id = std::string(optarg);
break;
+ case 'l':
+ times = std::stoll(optarg);
+ break;
case '?':
- std::cout << "*1" << std::endl;
+ std::cout << "*1" << std::endl;
default:
- std::cout << "*2 " << (char) c << std::endl;
+ std::cout << "*2 " << (char)c << std::endl;
usage();
exit(0);
}
}
- switch (click) {
- case Buy:
- buy(product, price, volume);
- break;
- case Sell:
- sell(product, price, volume);
- break;
- case Flash:
- if (side == clickType::Buy)
- flash(product, price, volume, book::Buy);
- else
- flash(product, price, volume, book::Sell);
- break;
- case Delete:
- deleteOrder(product, id);
- break;
+ for (std::uint64_t i = 0; i < times; i++) {
+ switch (click) {
+ case Buy:
+ buy(product, price, volume);
+ break;
+ case Sell:
+ sell(product, price, volume);
+ break;
+ case Flash:
+ if (side == clickType::Buy)
+ flash(product, price, volume, book::Buy);
+ else
+ flash(product, price, volume, book::Sell);
+ break;
+ case Delete:
+ deleteOrder(product, id);
+ break;
+ }
}
}
--
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