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#include "worker.h"
#include "ci.h"
#include "git.h"
#include "log.h"
#include "msg.h"
#include "net.h"
#include "process.h"
#include "signal.h"
#include <errno.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int worker_create(struct worker *worker, const struct settings *settings)
{
int ret = 0;
ret = libgit_init();
if (ret < 0)
return ret;
ret = net_connect(settings->host, settings->port);
if (ret < 0)
goto git_shutdown;
worker->fd = ret;
return ret;
git_shutdown:
libgit_shutdown();
return ret;
}
void worker_destroy(struct worker *worker)
{
print_log("Shutting down\n");
check_errno(close(worker->fd), "close");
libgit_shutdown();
}
static int msg_send_new_worker(const struct worker *worker)
{
static char *argv[] = {"new_worker", NULL};
struct msg msg;
int ret = 0;
ret = msg_from_argv(&msg, argv);
if (ret < 0)
return ret;
ret = msg_send(worker->fd, &msg);
if (ret < 0)
goto free_msg;
free_msg:
msg_free(&msg);
return ret;
}
static int msg_ci_run_do(const char *url, const char *rev, struct proc_output *result)
{
int ret = 0;
ret = ci_run_git_repo(url, rev, result);
if (ret < 0) {
print_error("Run failed with an error\n");
return ret;
}
print_log("Process exit code: %d\n", result->ec);
print_log("Process output:\n%s", result->output);
if (!result->output || !result->output_len ||
result->output[result->output_len - 1] != '\n')
print_log("\n");
return 0;
}
static int msg_ci_run_handler(struct worker *worker, const struct msg *request)
{
struct msg response;
struct proc_output result;
int ret = 0;
ret = msg_ci_run_do(request->argv[1], request->argv[2], &result);
proc_output_free(&result);
if (ret < 0)
ret = msg_error(&response);
else
ret = msg_success(&response);
if (ret < 0)
return ret;
ret = msg_send(worker->fd, &response);
msg_free(&response);
return ret;
}
static int msg_ci_run_parser(const struct msg *msg)
{
if (msg->argc != 3) {
print_error("Invalid number of arguments for a message: %d\n", msg->argc);
return 0;
}
return 1;
}
typedef int (*msg_parser)(const struct msg *msg);
typedef int (*msg_handler)(struct worker *, const struct msg *);
struct msg_descr {
const char *cmd;
msg_parser parser;
msg_handler handler;
};
struct msg_descr messages[] = {
{"ci_run", msg_ci_run_parser, msg_ci_run_handler},
};
static int worker_msg_handler(struct worker *worker, const struct msg *request)
{
if (request->argc == 0)
goto unknown_request;
size_t numof_messages = sizeof(messages) / sizeof(messages[0]);
for (size_t i = 0; i < numof_messages; ++i) {
if (strcmp(messages[i].cmd, request->argv[0]))
continue;
if (!messages[i].parser(request))
continue;
return messages[i].handler(worker, request);
}
unknown_request:
print_error("Received an unknown message\n");
msg_dump(request);
struct msg response;
msg_error(&response);
return msg_send(worker->fd, &response);
}
int worker_main(struct worker *worker, UNUSED int argc, UNUSED char *argv[])
{
int ret = 0;
ret = msg_send_new_worker(worker);
if (ret < 0)
return ret;
while (!global_stop_flag) {
struct msg request;
print_log("Waiting for a new command\n");
ret = msg_recv(worker->fd, &request);
if (ret < 0)
return ret;
ret = worker_msg_handler(worker, &request);
msg_free(&request);
if (ret < 0)
return ret;
}
return ret;
}
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