From 0b7aa02704f6ece97d17fbb118519c5cc62caaba Mon Sep 17 00:00:00 2001
From: Joel Grunbaum <joelgrun@gmail.com>
Date: Wed, 19 Jan 2022 07:45:21 +0000
Subject: [PATCH] Bot prints exchange feed
---
bom.cpp | 68 +++++++++++++++++++---------------
1 files changed, 38 insertions(+), 30 deletions(-)
diff --git a/bom.cpp b/bom.cpp
index 79c7d66..64058ba 100644
--- a/bom.cpp
+++ b/bom.cpp
@@ -1,49 +1,57 @@
#include "bom.hpp"
#include "book.hpp"
+#include "ftplibpp/ftplib.h"
+#include "rapidxml/rapidxml.hpp"
#include <cstddef>
#include <cstdio>
-#include <curl/curl.h>
-#include <stdio.h>
+#include <fstream>
+#include <iterator>
#include <string>
#include <unordered_map>
+#include <vector>
namespace bom
{
+ftplib* ftp;
-static size_t my_fwrite(void* buffer, size_t size, size_t nmemb, void* stream)
+void initialise()
{
- FILE* out = (FILE*)stream;
- if (!out) {
- out = tmpfile();
- if (!out) {
- return -1;
- }
- }
- return fwrite(buffer, size, nmemb, out);
+ ftp = new ftplib();
+ ftp->Connect("ftp.bom.gov.au:21");
+ ftp->Login("anonymous", "");
}
+
+void destroy()
+{
+ ftp->Quit();
+ delete ftp;
+}
+
void updateBom(std::unordered_map<std::string, book::Book>& bs)
{
- CURL* curl;
- CURLcode res;
- FILE* f{NULL};
- curl_global_init(CURL_GLOBAL_DEFAULT);
- curl = curl_easy_init();
- if (curl) {
- curl_easy_setopt(curl, CURLOPT_URL,
- "ftp://ftp.bom.gov.au/anon/gen/fwo/IDN60920.xml");
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, &f);
- curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
- res = curl_easy_perform(curl);
- curl_easy_cleanup(curl);
- if (CURLE_OK != res) {
- fprintf(stderr, "Curl failed: %d\n", res);
+ ftp->Get("bom_data.xml", "/anon/gen/fwo/IDN60920.xml",
+ ftplib::transfermode::ascii);
+ std::ifstream fs("bom_data.xml");
+ std::vector<char> buffer{std::istreambuf_iterator<char>(fs),
+ istreambuf_iterator<char>()};
+ buffer.push_back('\0');
+ rapidxml::xml_document<> d;
+ d.parse<0>(&buffer[0]);
+ // Walk stations
+ for (rapidxml::xml_node<>* n = d.first_node()->last_node()->first_node(); n;
+ n = n->next_sibling()) {
+ int bom_id = std::stoi(n->first_attribute()->next_attribute()->value());
+ for (auto& i : bs) {
+ if (i.second.stationId == bom_id) {
+ // Should be apparent temp
+ i.second.bomPrice = std::stod(n->first_node()
+ ->first_node()
+ ->first_node()
+ ->first_node()
+ ->value());
+ }
}
}
- if (f) {
- fclose(f);
- }
- curl_global_cleanup();
}
} // namespace bom
--
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