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-rw-r--r--data/server.c224
1 files changed, 0 insertions, 224 deletions
diff --git a/data/server.c b/data/server.c
deleted file mode 100644
index d54d853..0000000
--- a/data/server.c
+++ /dev/null
@@ -1,224 +0,0 @@
-#include <arpa/inet.h>
-#include <json-c/json.h>
-#include <signal.h>
-#include <sqlite3.h>
-#include <string.h>
-#include <threads.h>
-
-#include "logger.c"
-#include "sql.c"
-
-#define BACKLOG 10
-
-struct Socket {
- int fd;
- struct sockaddr_in addr;
-};
-
-struct json_object *g_response_header;
-
-// ----------------------------------------------------------------------------
-// SQL callbacks
-// ----------------------------------------------------------------------------
-void sql_callback_add_column_name(sqlite3_stmt *sql_stmt, void *data) {
- assert(sql_stmt);
- assert(data);
- assert(sqlite3_column_type(sql_stmt, 0) == SQLITE_TEXT);
- assert(!strcmp(sqlite3_column_name(sql_stmt, 0), "name"));
-
- const char *col_name = (const char *)sqlite3_column_text(sql_stmt, 0);
- struct json_object *response = (struct json_object *)data;
-
- if (!json_object_object_get_ex(response, col_name, NULL)) {
- json_object_object_add(response, col_name, json_object_new_array());
- }
-}
-
-void sql_callback_add_data(sqlite3_stmt *sql_stmt, void *data) {
- assert(sql_stmt);
- assert(data);
-
- struct json_object *response = (struct json_object *)data;
-
- for (int i = 0; i < sqlite3_column_count(sql_stmt); i++) {
- const char *col_name = sqlite3_column_name(sql_stmt, i);
- struct json_object *col_data = json_object_object_get(response, col_name);
-
- if (col_data) {
- if (sqlite3_column_type(sql_stmt, i) == SQLITE_BLOB) {
- // TODO: render blobs in parallel
- } else {
- json_object_array_add(col_data, json_object_new_int64(sqlite3_column_int64(sql_stmt, i)));
- }
- }
- }
-}
-
-// ----------------------------------------------------------------------------
-// Main functions
-// ----------------------------------------------------------------------------
-void sig_handler(int signo) {
- (void)signo;
- log_warn("Signal received, will stop SALIS data server");
- json_object_put(g_response_header);
- sql_close();
- exit(0);
-}
-
-void respond_name(int socket_fd) {
- log_info("Client requested simulation name");
-
- struct json_object *sim_name = json_object_new_object();
- json_object_object_add(sim_name, "name", json_object_new_string(NAME));
- json_object_to_fd(socket_fd, sim_name, 0);
- json_object_put(sim_name);
-}
-
-void respond_opts(int socket_fd) {
- log_info("Client requested simulation options");
-
- struct json_object *sim_opts = json_object_from_file(SIM_OPTS);
- json_object_to_fd(socket_fd, sim_opts, 0);
- json_object_put(sim_opts);
-}
-
-void respond_hash(int socket_fd) {
- log_info("Client requested git hash");
-
- char buff[41] = { 0 };
- FILE *pipe = popen("git rev-parse HEAD", "r");
- fread(buff, sizeof(char), 40, pipe);
- pclose(pipe);
-
- struct json_object *git_hash = json_object_new_object();
- json_object_object_add(git_hash, "hash", json_object_new_string(buff));
- json_object_to_fd(socket_fd, git_hash, 0);
- json_object_put(git_hash);
-}
-
-void respond_data(int socket_fd, struct json_object *request) {
- assert(request);
-
- const char *request_str = json_object_to_json_string(request);
- log_info("Client requested simulation data with the following parameters: %s", request_str);
- const char *x_axis = json_object_get_string(json_object_object_get(request, "x-axis"));
- int64_t x_current = json_object_get_int64(json_object_object_get(request, "x-current"));
- int64_t x_high = json_object_get_int64(json_object_object_get(request, "x-high"));
- int64_t nth = json_object_get_int64(json_object_object_get(request, "nth"));
- int64_t entries = json_object_get_int64(json_object_object_get(request, "entries"));
-
- const char *x_axis_pref = (!strcmp(x_axis, "rowid") || !strcmp(x_axis, "step")) ? "core." : "";
-
- struct json_object *response = NULL;
- json_object_deep_copy(g_response_header, &response, NULL);
-
- sql_exec(
- 0, NULL, NULL,
- sql_callback_add_data,
- response,
- "select * from ("
- "select core.rowid, core.step, * from core inner join arch "
- "where core.rowid = arch.rowid and %s%s > %ld and %s%s <= %ld and core.rowid %% %ld == 0 "
- "order by %s%s desc limit %ld"
- ") order by %s asc;",
- x_axis_pref,
- x_axis,
- x_current,
- x_axis_pref,
- x_axis,
- x_high,
- nth,
- x_axis_pref,
- x_axis,
- entries,
- x_axis
- );
-
- const char *response_str = json_object_to_json_string(response);
- log_info("Responding to client with: %s", response_str);
- json_object_to_fd(socket_fd, response, 0);
- json_object_put(response);
-
- shutdown(socket_fd, SHUT_WR);
-}
-
-int handle_client(struct Socket *socket) {
- assert(socket);
-
- char socket_ip[INET_ADDRSTRLEN];
- inet_ntop(AF_INET, &socket->addr.sin_addr, socket_ip, INET_ADDRSTRLEN);
- log_info("Client connected: %s:%d", socket_ip, ntohs(socket->addr.sin_port));
-
- struct json_object *request_json = json_object_from_fd(socket->fd);
- struct json_object *request_str = NULL;
-
- if (!json_object_object_get_ex(request_json, "request", &request_str)) assert(false);
-
- const char *request = json_object_get_string(request_str);
- assert(request);
-
- if (!strcmp(request, "name")) {
- respond_name(socket->fd);
- } else if (!strcmp(request, "opts")) {
- respond_opts(socket->fd);
- } else if (!strcmp(request, "hash")) {
- respond_hash(socket->fd);
- } else if (!strcmp(request, "data")) {
- respond_data(socket->fd, request_json);
- } else {
- assert(false);
- }
-
- json_object_put(request_json);
-
- log_info("Client disconnected: %s:%d", socket_ip, ntohs(socket->addr.sin_port));
- close(socket->fd);
-
- free(socket);
- return 0;
-}
-
-int main(void) {
- log_info("Initializing salis data server");
- log_info("Connecting to database in: %s", DATA_PUSH_PATH);
- sql_open();
-
- signal(SIGINT, sig_handler);
- signal(SIGTERM, sig_handler);
-
- log_info("Creating response header");
- g_response_header = json_object_new_object();
- json_object_object_add(g_response_header, "rowid", json_object_new_array());
- sql_exec(
- 0, NULL, NULL,
- sql_callback_add_column_name,
- g_response_header,
- "select name from pragma_table_info('core') union "
- "select name from pragma_table_info('arch');"
- );
-
- log_info("Binding to port: %d", PORT);
- int opt = 1;
- int socket_fd = socket(AF_INET, SOCK_STREAM, 0);
- setsockopt(socket_fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
- struct sockaddr_in socket_addr = { 0 };
- socket_addr.sin_family = AF_INET;
- socket_addr.sin_addr.s_addr = INADDR_ANY;
- socket_addr.sin_port = htons(PORT);
- bind(socket_fd, (struct sockaddr *)&socket_addr, sizeof(struct sockaddr_in));
-
- listen(socket_fd, BACKLOG);
- log_info("Listening...");
-
- while (true) {
- struct Socket *socket = calloc(1, sizeof(struct Socket));
- socklen_t socket_len = sizeof(struct sockaddr_in);
- socket->fd = accept(socket_fd, (struct sockaddr *)&socket->addr, &socket_len);
-
- thrd_t thrd;
- thrd_create(&thrd, (thrd_start_t)handle_client, socket);
- thrd_detach(thrd);
- }
-
- return 0;
-}
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