mirror of
https://github.com/lxsang/antd-fcgi-plugin.git
synced 2024-12-25 12:48:23 +01:00
Add basic features:
- Read fastCGI configuration from server conf - Support TCP socket o Unix socket - Launch FastCGI server automatically if the server binary is in the config
This commit is contained in:
DanyLE
parent
14e6f28767
commit
3426eda29b
201
fcgi.c
201
fcgi.c
@ -23,8 +23,11 @@
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//#include <libgen.h>
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#include "proto.h"
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#ifdef MAX_PATH_LEN
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#undef MAX_PATH_LEN
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#endif
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#define MAX_PATH_LEN 108
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#define MAX_BACK_LOG 1024
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#define MAX_BACK_LOG 64
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#define PROCESS_TIMEOUT 200u
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#define FCGI_CLIENT_REQUEST_SENT (0)
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@ -39,26 +42,40 @@ typedef struct {
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// only for TCP socket
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int port;
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// server fd
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// int fd;
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int fd;
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// pid of the application process
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// pid_t pid;
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pid_t pid;
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} fcgi_config_t;
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static fcgi_config_t g_config;
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static int mk_socket();
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static int read_config();
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static int open_un_socket();
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static int open_tcp_socket();
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static int open_socket();
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static char* read_line(char** buff, int* size);
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static int read_header(antd_client_t* cl, antd_request_t* rq);
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static int read_data(antd_client_t* cl, antd_request_t* rq);
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static void *process(void *data);
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static int send_request(antd_client_t *cl, antd_request_t* rq);
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void* handle(void* data);
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static int mk_un_socket();
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static int mk_tcp_socket();
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static int read_config()
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{
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char * tmp;
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(void*) memset(g_config.app_bin, 0, MAX_PATH_LEN);
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(void*) memset(g_config.address, 0, MAX_PATH_LEN);
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g_config.port = -1;
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//g_config.fd = -1;
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//g_config.pid = -1;
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g_config.fd = -1;
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g_config.pid = -1;
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regmatch_t regex_matches[3];
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// read plugin configuration
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if(!__plugin__.config)
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{
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PLUGIN_PANIC("No plugin configuration found. Please specify it it server config file");
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PLUGIN_PANIC("No plugin configuration found. Please specify it in server config file");
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return -1;
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}
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tmp = (char*) dvalue(__plugin__.config, "socket");
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@ -96,20 +113,127 @@ static int read_config()
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return -1;
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}
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tmp = (char*) dvalue(__plugin__.config, "bin");
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if(!tmp)
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if(tmp)
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{
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PLUGIN_PANIC("No FastCGI application configuration found (bin)");
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return -1;
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if(strlen(tmp) > MAX_PATH_LEN - 1)
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{
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PLUGIN_PANIC("Bin application configuration is too long: %s", tmp);
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return -1;
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}
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snprintf(g_config.app_bin, MAX_PATH_LEN,"%s", tmp);
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LOG("Binary application configuration: %s", g_config.app_bin);
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// create the server socket then launched it
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g_config.fd = mk_socket();
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if(g_config.fd == -1)
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{
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PLUGIN_PANIC("Unable to create FastCGI server socket");
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return -1;
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}
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// launch the application
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g_config.pid = fork();
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if(g_config.pid == -1)
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{
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PLUGIN_PANIC("Unable to create FastCGI server socket");
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close(g_config.fd);
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g_config.fd = -1;
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g_config.pid = -1;
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return -1;
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}
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if(g_config.pid == 0)
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{
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// child
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// close the original stdin
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close(0);
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// redirect the stdin to the socket
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dup2(g_config.fd, 0);
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char *argv[] = {g_config.app_bin, 0};
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char *env[] = {NULL, NULL};
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env[0] = getenv("ANTD_DEBUG");
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if(env[0] && (
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(strcmp(env[0], "1") == 0) || (strcmp(env[0], "true") == 0)) )
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{
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env[0] = "debug=1";
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}
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else
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{
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env[0] = "debug=0";
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}
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execve(argv[0], &argv[0], &env[0]);
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_exit(1);
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}
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// parent
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LOG("FastCGI process (%d) created", g_config.pid);
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}
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if(strlen(tmp) > MAX_PATH_LEN - 1)
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{
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PLUGIN_PANIC("Bin applicqtion configuration is too long: %s", tmp);
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return -1;
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}
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snprintf(g_config.app_bin, MAX_PATH_LEN,"%s", tmp);
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LOG("Binary application configuration: %s", g_config.app_bin);
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return 0;
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}
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static int mk_un_socket()
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{
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struct sockaddr_un address;
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address.sun_family = AF_UNIX;
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//remove socket file if exists
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(void) remove(g_config.address);
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// create the socket
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(void)strncpy(address.sun_path, g_config.address, sizeof(address.sun_path));
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int fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (fd == -1)
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{
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ERROR("Unable to create Unix domain socket: %s", strerror(errno));
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return -1;
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}
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if (bind(fd, (struct sockaddr *)(&address), sizeof(address)) == -1)
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{
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ERROR("Unable to bind name: %s to a socket: %s", address.sun_path, strerror(errno));
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close(fd);
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return -1;
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}
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// mark the socket as passive mode
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if (listen(fd, MAX_BACK_LOG) == -1)
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{
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ERROR("Unable to listen to socket: %d (%s): %s", fd, g_config.address, strerror(errno));
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close(fd);
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return -1;
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}
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LOG("Socket %s is created successfully: %d", g_config.address, fd);
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return fd;
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}
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static int mk_tcp_socket()
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{
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int fd = -1;
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struct sockaddr_in name;
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fd = socket(PF_INET, SOCK_STREAM, 0);
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if (fd == -1)
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{
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ERROR("Unable to create TCP socket socket: %s", strerror(errno));
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return -1;
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}
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if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof(int)) == -1)
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{
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ERROR("Unable to set reuse address on port %d - setsockopt: %s", g_config.port, strerror(errno));
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}
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memset(&name, 0, sizeof(name));
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name.sin_family = AF_INET;
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name.sin_port = htons(g_config.port);
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name.sin_addr.s_addr = htonl(INADDR_ANY);
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if (bind(fd, (struct sockaddr *)&name, sizeof(name)) < 0)
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{
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ERROR("Unable to bind TCP socket at port %d -bind: %s", g_config.port, strerror(errno));
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close(fd);
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return -1;
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}
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if (listen(fd, MAX_BACK_LOG) < 0)
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{
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ERROR("Unable to listen on Port %d - listen: %s", g_config.port, strerror(errno));
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close(fd);
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return -1;
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}
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return fd;
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}
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static int open_un_socket()
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{
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struct sockaddr_un address;
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@ -171,6 +295,18 @@ static int open_socket()
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}
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}
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static int mk_socket()
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{
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if(g_config.port != -1)
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{
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return mk_tcp_socket();
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}
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else
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{
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return mk_un_socket();
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}
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}
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void init()
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{
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use_raw_body();
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@ -184,15 +320,22 @@ void init()
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}
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void destroy()
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{
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/*if(g_config.fd)
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if(g_config.pid > 0)
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{
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LOG("Close socket: %d", g_config.fd);
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LOG("Process killed: %d", g_config.pid);
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(void)kill(g_config.pid, SIGKILL);
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g_config.pid = -1;
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}
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if(g_config.fd > 0)
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{
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LOG("Close server socket: %d", g_config.fd);
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close(g_config.fd);
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}*/
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g_config.fd = -1;
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}
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}
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char* read_line(char** buff, int* size)
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static char* read_line(char** buff, int* size)
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{
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int i = 0;
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while(i <= *size-1 && (*buff)[i] != '\n') i++;
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@ -366,6 +509,18 @@ static void *process(void *data)
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antd_request_t *rq = (antd_request_t *)data;
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antd_client_t* cl = (antd_client_t* ) dvalue(rq->request, "FCGI_CL_DATA");
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struct pollfd pfds[2];
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int status;
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if(g_config.pid > 0)
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{
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if(waitpid(g_config.pid, &status, WNOHANG) > 0)
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{
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PLUGIN_PANIC("FastCGI process exits unexpectedly");
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antd_close(cl);
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dput(rq->request, "FCGI_CL_DATA", NULL);
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return antd_create_task(NULL, data, NULL, rq->client->last_io);
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}
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}
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pfds[0].fd = rq->client->sock;
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pfds[0].events = POLLIN;
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if(rq->client->ssl)
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@ -488,7 +643,11 @@ static int send_request(antd_client_t *cl, antd_request_t* rq)
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dictionary_t header = (dictionary_t)dvalue(rq->request, "REQUEST_HEADER");
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ret += fcgi_begin_request(cl, cl->sock, FCGI_RESPONDER, 0);
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//ret += fcgi_send_param(cl, cl->sock, "", "");
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// ANTD specific params
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ret += fcgi_send_param(cl, cl->sock, "TMP_DIR", __plugin__.tmpdir);
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ret += fcgi_send_param(cl, cl->sock, "DB_DIR", __plugin__.dbpath);
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ret += fcgi_send_param(cl, cl->sock, "LIB_DIR", __plugin__.pdir);
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// CGI parms
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ret += fcgi_send_param(cl, cl->sock, "GATEWAY_INTERFACE", "CGI/1.1");
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ret += fcgi_send_param(cl, cl->sock, "SERVER_SOFTWARE", SERVER_NAME);
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root = (char *)dvalue(request, "SERVER_WWW_ROOT");
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