Moved CmdLineProxy

This commit is contained in:
Erik Frojdh
2019-11-05 11:07:07 +01:00
parent b3587bcee5
commit 2f2e4da628
10 changed files with 68 additions and 42 deletions

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@ -1,5 +1,4 @@
set(SOURCES
src/CmdLineParser.cpp
src/string_utils.cpp
src/file_utils.cpp
src/ClientSocket.cpp

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#ifndef CMD_LINE_PARSER_H
#define CMD_LINE_PARSER_H
#include <string>
#include <vector>
namespace sls {
class CmdLineParser {
public:
void Parse(int argc, const char *const argv[]);
void Parse(const std::string &s);
void Print();
int multi_id() const { return multi_id_; };
int detector_id() const { return detector_id_; };
int n_arguments() const { return arguments_.size(); }
const std::string &command() const { return command_; }
bool isHelp() const { return help_; }
void setCommand(std::string cmd) { command_ = cmd; }
const std::string &executable() const { return executable_; }
const std::vector<std::string> &arguments() const { return arguments_; };
std::vector<const char *> argv() const;
std::string cli_line() const;
private:
void DecodeIdAndPosition(const char *c);
int multi_id_ = 0;
int detector_id_ = -1;
bool help_{false};
std::string command_;
std::string executable_;
std::vector<std::string> arguments_;
};
} // namespace sls
#endif // CMD_LINE_PARSER_H

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#include "CmdLineParser.h"
#include "sls_detector_defs.h"
#include <cstdio>
#include <cstring>
#include <iostream>
#include <iterator>
#include <sstream>
namespace sls {
void CmdLineParser::Print() {
std::cout << "\nCmdLineParser::Print()\n";
std::cout << "\tmulti_id: " << multi_id_
<< ", detector_id: " << detector_id_ << std::endl;
std::cout << "\texecutable: " << executable_ << '\n';
std::cout << "\tcommand: " << command_ << '\n';
std::cout << "\tn_arguments: " << n_arguments() << '\n';
std::cout << "\targuments: ";
for (const auto &argument : arguments_) {
std::cout << argument << " ";
}
std::cout << "\n\n";
};
void CmdLineParser::Parse(int argc, const char *const argv[]) {
executable_ = argv[0]; // first arg is calling binary
if (argc > 1) {
std::string s = argv[1];
for (int i = 2; i < argc; ++i) {
s += " ";
s += argv[i];
}
Parse(s);
}
}
void CmdLineParser::Parse(const std::string &s) {
std::istringstream iss(s);
auto it = std::istream_iterator<std::string>(iss);
arguments_ =
std::vector<std::string>(it, std::istream_iterator<std::string>());
auto old_size = arguments_.size();
arguments_.erase(std::remove_if(begin(arguments_), end(arguments_),
[](const std::string &item) {
if (item == "-h" || item == "--help")
return true;
return false;
}),
end(arguments_));
if (old_size - arguments_.size() > 0)
help_ = true;
if (!arguments_.empty()) {
command_ = arguments_[0];
arguments_.erase(begin(arguments_));
}
DecodeIdAndPosition(command_.c_str());
}
void CmdLineParser::DecodeIdAndPosition(const char *c) {
bool contains_id = std::strchr(c, '-') != nullptr;
bool contains_pos = std::strchr(c, ':') != nullptr;
char tmp[100];
if (contains_id && contains_pos) {
int r = sscanf(c, "%d-%d:%s", &multi_id_, &detector_id_, tmp);
if (r != 3) {
throw(sls::RuntimeError(
"Cannot decode client or detector id from: \"" +
std::string(c) + "\"\n"));
}
command_ = tmp;
} else if (contains_id && !contains_pos) {
int r = sscanf(c, "%d-%s", &multi_id_, tmp);
if (r != 2) {
throw(sls::RuntimeError("Cannot decode client id from: \"" +
std::string(c) + "\"\n"));
}
command_ = tmp;
} else if (!contains_id && contains_pos) {
int r = sscanf(c, "%d:%s", &detector_id_, tmp);
if (r != 2) {
throw(sls::RuntimeError("Cannot decode detector id from: \"" +
std::string(c) + "\"\n"));
}
command_ = tmp;
} else {
command_ = c;
}
}
std::vector<const char *> CmdLineParser::argv() const {
std::vector<const char *> vec;
if (command_.empty() != true) {
vec.push_back(&command_.front());
}
for (auto &arg : arguments_) {
vec.push_back(&arg.front());
}
return vec;
}
std::string CmdLineParser::cli_line() const{
std::ostringstream os;
os << command_;
for (const auto & arg : arguments_)
os << " " << arg;
return os.str();
}
} // namespace sls

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target_sources(tests PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/test-CmdLineParser.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test-container_utils.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test-network_utils.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test-string_utils.cpp

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#include "CmdLineParser.h"
#include "catch.hpp"
#include <exception>
#include <string>
// tests to add
// help for all docs
// command for all depreciated commands
using vs = std::vector<std::string>;
using sls::CmdLineParser;
SCENARIO("Construction", "[support]") {
GIVEN("A default constructed CmdLineParser") {
CmdLineParser p;
THEN("The state of the object is valid") {
REQUIRE(p.detector_id() == -1);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command().empty());
REQUIRE(p.arguments().empty());
REQUIRE(p.argv().empty());
REQUIRE(p.argv().data() == nullptr);
}
}
}
SCENARIO("Parsing a string with the command line parser", "[support]") {
GIVEN("A CmdLineParser") {
CmdLineParser p;
WHEN("Parsing an empty string") {
std::string s;
p.Parse(s);
THEN("command and arguments are empty") {
REQUIRE(p.detector_id() == -1);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command().empty());
REQUIRE(p.arguments().empty());
REQUIRE(p.argv().empty());
}
}
WHEN("Parsing a string with a single command") {
std::string s = "vrf";
p.Parse(s);
THEN("command is assigned and id's remain default") {
REQUIRE(p.command() == "vrf");
REQUIRE(p.detector_id() == -1);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.arguments().empty());
REQUIRE(p.argv().size() == 1);
}
}
WHEN("Parsing a string with command and value") {
std::string s = "vthreshold 1500";
p.Parse(s);
THEN("cmd and value are assigned and id's remain default") {
REQUIRE(p.command() == "vthreshold");
REQUIRE(p.arguments()[0] == "1500");
REQUIRE(p.arguments().size() == 1);
REQUIRE(p.detector_id() == -1);
REQUIRE(p.multi_id() == 0);
}
}
WHEN("Parsing a string with detector id and command") {
vs arg{"9:vcp", "53:vthreshold", "128:vtrim", "5:threshold"};
std::vector<int> det_id{9, 53, 128, 5};
vs res{"vcp", "vthreshold", "vtrim", "threshold"};
THEN("Values are correctly decoded") {
for (size_t i = 0; i != arg.size(); ++i) {
p.Parse(arg[i]);
REQUIRE(p.detector_id() == det_id[i]);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command() == res[i]);
REQUIRE(p.arguments().empty());
REQUIRE(p.argv().size() == 1);
}
}
}
WHEN("Parsing a string with multi_id detector id and command") {
vs arg{"8-12:vrf", "0-52:vcmp", "19-10:vtrim", "31-127:threshold"};
std::vector<int> det_id{12, 52, 10, 127};
std::vector<int> multi_id{8, 0, 19, 31};
vs res{"vrf", "vcmp", "vtrim", "threshold"};
THEN("Values are correctly decoded") {
for (size_t i = 0; i != arg.size(); ++i) {
p.Parse(arg[i]);
REQUIRE(p.detector_id() == det_id[i]);
REQUIRE(p.multi_id() == multi_id[i]);
REQUIRE(p.command() == res[i]);
REQUIRE(p.arguments().empty());
REQUIRE(p.argv().size() == 1);
}
}
}
WHEN("Parsing string with cmd and multiple arguments") {
std::string s = "trimen 5000 6000 7000";
p.Parse(s);
THEN("cmd and args are correct") {
REQUIRE(p.command() == "trimen");
REQUIRE(p.arguments().size() == 3);
REQUIRE(p.arguments()[0] == "5000");
REQUIRE(p.arguments()[1] == "6000");
REQUIRE(p.arguments()[2] == "7000");
}
}
WHEN("Cliend id and or detector id cannot be decoded") {
vs arg{"o:cmd", "-5:cmd", "aedpva:cmd",
"5-svc:vrf", "asv-5:cmd", "savc-asa:cmd"};
THEN("Parsing Throws") {
for (size_t i = 0; i != arg.size(); ++i) {
REQUIRE_THROWS(p.Parse(arg[i]));
}
}
}
}
}
SCENARIO("Parsing strings with -h or --help", "[support]") {
GIVEN("A parser") {
CmdLineParser p;
WHEN("Parsing a string with a command and help ") {
std::string s = "-h list";
THEN("the command is correct and isHelp is set") {
p.Parse(s);
REQUIRE(p.detector_id() == -1);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command() == "list");
REQUIRE(p.isHelp());
REQUIRE(p.arguments().empty());
REQUIRE(p.argv().size() == 1);
}
}
WHEN("Parsing a string with -h at a different position"){
std::string s = "list -h something";
THEN("its also done right"){
p.Parse(s);
REQUIRE(p.isHelp());
REQUIRE(p.command() == "list");
REQUIRE(p.arguments().size() == 1);
REQUIRE(p.arguments().front() == "something");
}
}
WHEN("Parsing a string with -help at a different position"){
std::string s = "list --help something";
THEN("its also done right"){
p.Parse(s);
REQUIRE(p.isHelp());
REQUIRE(p.command() == "list");
REQUIRE(p.arguments().size() == 1);
REQUIRE(p.arguments().front() == "something");
}
}
}
}
TEST_CASE("Parse with no arguments results in no command and default id",
"[support]") {
// build up argc and argv
// first argument is the command used to call the binary
int argc = 1;
const char *const argv[]{"call"};
CmdLineParser p;
p.Parse(argc, argv);
REQUIRE(p.detector_id() == -1);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command().empty());
REQUIRE(p.arguments().empty());
}
TEST_CASE(
"Parse a command without client id and detector id results in default",
"[support]") {
int argc = 2;
const char *const argv[]{"caller", "vrf"};
CmdLineParser p;
p.Parse(argc, argv);
REQUIRE(p.detector_id() == -1);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command() == "vrf");
REQUIRE(p.arguments().empty());
}
TEST_CASE("Parse a command with value but without client or detector id",
"[support]") {
int argc = 3;
const char *const argv[]{"caller", "vrf", "3000"};
CmdLineParser p;
p.Parse(argc, argv);
REQUIRE(p.detector_id() == -1);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command() == "vrf");
REQUIRE(p.arguments().size() == 1);
REQUIRE(p.arguments()[0] == "3000");
}
TEST_CASE("Decodes position") {
int argc = 2;
const char *const argv[]{"caller", "7:vrf"};
CmdLineParser p;
p.Parse(argc, argv);
REQUIRE(p.detector_id() == 7);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command() == "vrf");
REQUIRE(p.arguments().empty());
}
TEST_CASE("Decodes double digit position", "[support]") {
int argc = 2;
const char *const argv[]{"caller", "73:vcmp"};
CmdLineParser p;
p.Parse(argc, argv);
REQUIRE(p.detector_id() == 73);
REQUIRE(p.multi_id() == 0);
REQUIRE(p.command() == "vcmp");
REQUIRE(p.arguments().empty());
}
TEST_CASE("Decodes position and id", "[support]") {
int argc = 2;
const char *const argv[]{"caller", "5-8:vrf"};
CmdLineParser p;
p.Parse(argc, argv);
REQUIRE(p.detector_id() == 8);
REQUIRE(p.multi_id() == 5);
REQUIRE(p.command() == "vrf");
REQUIRE(p.arguments().empty());
}
TEST_CASE("Double digit id", "[support]") {
int argc = 2;
const char *const argv[]{"caller", "56-8:vrf"};
CmdLineParser p;
p.Parse(argc, argv);
REQUIRE(p.detector_id() == 8);
REQUIRE(p.multi_id() == 56);
REQUIRE(p.command() == "vrf");
REQUIRE(p.arguments().empty());
}
TEST_CASE("Calling with wrong id throws invalid_argument", "[support]") {
int argc = 2;
const char *const argv[]{"caller", "asvldkn:vrf"};
CmdLineParser p;
CHECK_THROWS(p.Parse(argc, argv));
}
TEST_CASE("Calling with wrong client throws invalid_argument", "[support]") {
int argc = 2;
const char *const argv[]{"caller", "lki-3:vrf"};
CmdLineParser p;
CHECK_THROWS(p.Parse(argc, argv));
}
TEST_CASE("Build up argv", "[support]") {
CmdLineParser p;
REQUIRE(p.argv().empty());
REQUIRE(p.argv().data() == nullptr);
std::string s = "trimen 3000 4000\n";
p.Parse(s);
REQUIRE(p.argv().data() != nullptr);
REQUIRE(p.argv().size() == 3);
}