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Contract state monitoring and rollback infrastructure. (#61)

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This commit is contained in:
Ravin Perera
2019-11-25 19:30:15 +05:30
committed by GitHub
parent bebdace519
commit 0dde10c306
32 changed files with 3222 additions and 230 deletions
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31
src/conf.cpp
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@@ -17,15 +17,6 @@ contract_config cfg;
const static char *MODE_PASSIVE = "passive";
const static char *MODE_ACTIVE = "active";
// provide a safe std::string overload for realpath
std::string realpath(std::string path)
{
std::array<char, PATH_MAX> buffer;
::realpath(path.c_str(), buffer.data());
buffer[PATH_MAX] = '\0';
return buffer.data();
}
/**
* Loads and initializes the contract config for execution. Must be called once during application startup.
* @return 0 for success. -1 for failure.
@@ -91,7 +82,7 @@ int create_contract()
boost::filesystem::create_directories(ctx.configdir);
boost::filesystem::create_directories(ctx.histdir);
boost::filesystem::create_directories(ctx.statedir);
boost::filesystem::create_directories(ctx.statemapdir);
boost::filesystem::create_directories(ctx.statehistdir);
//Create config file with default settings.
@@ -128,9 +119,16 @@ int create_contract()
* Updates the contract context with directory paths based on provided base directory.
* This is called after parsing HP command line arg in order to populate the ctx.
*/
void set_contract_dir_paths(std::string basedir)
void set_contract_dir_paths(std::string exepath, std::string basedir)
{
if (basedir == "")
if (exepath.empty())
{
// this code branch will never execute the way main is currently coded, but it might change in future
std::cerr << "Executable path must be specified\n";
exit(1);
}
if (basedir.empty())
{
// this code branch will never execute the way main is currently coded, but it might change in future
std::cerr << "a contract directory must be specified\n";
@@ -138,7 +136,10 @@ void set_contract_dir_paths(std::string basedir)
}
// resolving the path through realpath will remove any trailing slash if present
basedir = realpath(basedir);
basedir = util::realpath(basedir);
ctx.exedir = boost::filesystem::path(util::realpath(exepath)).parent_path().string();
ctx.statemonexepath = ctx.exedir + "/" + "hpstatemon";
ctx.contractdir = basedir;
ctx.configdir = basedir + "/cfg";
@@ -147,7 +148,7 @@ void set_contract_dir_paths(std::string basedir)
ctx.tlscertfile = ctx.configdir + "/tlscert.pem";
ctx.histdir = basedir + "/hist";
ctx.statedir = basedir + "/state";
ctx.statemapdir = basedir + "/statemap";
ctx.statehistdir = basedir + "/statehist";
ctx.logdir = basedir + "/log";
}
@@ -503,7 +504,7 @@ int validate_contract_dir_paths()
ctx.configfile,
ctx.histdir,
ctx.statedir,
ctx.statemapdir,
ctx.statehistdir,
ctx.tlskeyfile,
ctx.tlscertfile};